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Програмування","\u002Fcsharp\u002Fsystem-programming-windows\u002Fasync-fundamentals","01.csharp\u002F07.system-programming-windows\u002F12.async-fundamentals",{"title":344,"path":345,"stem":346},"SynchronizationContext та ConfigureAwait — Контекст Виконання","\u002Fcsharp\u002Fsystem-programming-windows\u002Fasync-context-configureawait","01.csharp\u002F07.system-programming-windows\u002F13.async-context-configureawait",{"title":348,"path":349,"stem":350},"Async — Просунуті Паттерни","\u002Fcsharp\u002Fsystem-programming-windows\u002Fasync-advanced","01.csharp\u002F07.system-programming-windows\u002F14.async-advanced",{"title":352,"path":353,"stem":354},"System.Threading.Channels — Async Producer-Consumer","\u002Fcsharp\u002Fsystem-programming-windows\u002Fchannels","01.csharp\u002F07.system-programming-windows\u002F15.channels",{"title":356,"path":357,"stem":358},"Асинхронна Синхронізація","\u002Fcsharp\u002Fsystem-programming-windows\u002Fasync-synchronization","01.csharp\u002F07.system-programming-windows\u002F16.async-synchronization",{"title":360,"path":361,"stem":362},"Unsafe Code та Вказівники","\u002Fcsharp\u002Fsystem-programming-windows\u002Funsafe-code","01.csharp\u002F07.system-programming-windows\u002F17.unsafe-code",{"title":364,"path":365,"stem":366},"P\u002FInvoke та Windows API — Міст між .NET та Native Code","\u002Fcsharp\u002Fsystem-programming-windows\u002Fpinvoke-winapi","01.csharp\u002F07.system-programming-windows\u002F18.pinvoke-winapi",{"title":368,"path":369,"stem":370},"Реєстр Windows — Центральна База Конфігурації Системи","\u002Fcsharp\u002Fsystem-programming-windows\u002Fwindows-registry","01.csharp\u002F07.system-programming-windows\u002F19.windows-registry",{"title":372,"path":373,"stem":374},"Windows Hooks, Hotkeys та Services — Глибока Інтеграція з ОС","\u002Fcsharp\u002Fsystem-programming-windows\u002Fwindows-hooks-services","01.csharp\u002F07.system-programming-windows\u002F20.windows-hooks-services",{"title":376,"path":377,"stem":378},"Системне Програмування C# (Windows) — 07.system-programming-windows","\u002Fcsharp\u002Fsystem-programming-windows\u002Fimplementation_plan","01.csharp\u002F07.system-programming-windows\u002Fimplementation_plan",{"title":380,"icon":132,"path":381,"stem":382,"children":383,"page":59},"Io","\u002Fcsharp\u002Fio","01.csharp\u002F08.io",[384,388,392,396,400],{"title":385,"path":386,"stem":387},"8.1.1. Основи роботи з файловою системою","\u002Fcsharp\u002Fio\u002Ffile-system-basics","01.csharp\u002F08.io\u002F01.file-system-basics",{"title":389,"path":390,"stem":391},"8.1.2. Потоки (Streams) та Серіалізація Даних","\u002Fcsharp\u002Fio\u002Fstreams-serialization","01.csharp\u002F08.io\u002F02.streams-serialization",{"title":393,"path":394,"stem":395},"8.2.1. JSON Serialization з System.Text.Json","\u002Fcsharp\u002Fio\u002Fjson-serialization","01.csharp\u002F08.io\u002F03.json-serialization",{"title":397,"path":398,"stem":399},"8.2.2. XML Serialization та LINQ to XML","\u002Fcsharp\u002Fio\u002Fxml-serialization","01.csharp\u002F08.io\u002F04.xml-serialization",{"title":401,"path":402,"stem":403},"8.2.3. Binary Serialization: MessagePack та Protocol Buffers","\u002Fcsharp\u002Fio\u002Fbinary-serialization","01.csharp\u002F08.io\u002F05.binary-serialization",{"title":405,"icon":132,"path":406,"stem":407,"children":408,"page":59},"Ado Net","\u002Fcsharp\u002Fado-net","01.csharp\u002F09.ado-net",[409,413,417,421,425,429,433,437,441,445,449,453],{"title":410,"path":411,"stem":412},"9.1. Введення в ADO.NET","\u002Fcsharp\u002Fado-net\u002Fintroduction-to-adonet","01.csharp\u002F09.ado-net\u002F01.introduction-to-adonet",{"title":414,"path":415,"stem":416},"9.2. Клас DbConnection — з'єднання з базою даних","\u002Fcsharp\u002Fado-net\u002Fconnection","01.csharp\u002F09.ado-net\u002F02.connection",{"title":418,"path":419,"stem":420},"9.3. Клас DbCommand — виконання SQL-запитів","\u002Fcsharp\u002Fado-net\u002Fcommand-and-queries","01.csharp\u002F09.ado-net\u002F03.command-and-queries",{"title":422,"path":423,"stem":424},"9.4. Клас DbDataReader — ефективне читання даних","\u002Fcsharp\u002Fado-net\u002Fdatareader","01.csharp\u002F09.ado-net\u002F04.datareader",{"title":426,"path":427,"stem":428},"9.5. Параметризовані запити та захист від SQL Injection","\u002Fcsharp\u002Fado-net\u002Fparameters-and-sql-injection","01.csharp\u002F09.ado-net\u002F05.parameters-and-sql-injection",{"title":430,"path":431,"stem":432},"9.6. Транзакції в ADO.NET","\u002Fcsharp\u002Fado-net\u002Ftransactions","01.csharp\u002F09.ado-net\u002F06.transactions",{"title":434,"path":435,"stem":436},"9.7. DbProviderFactory — провайдер-незалежний код","\u002Fcsharp\u002Fado-net\u002Fprovider-factory","01.csharp\u002F09.ado-net\u002F07.provider-factory",{"title":438,"path":439,"stem":440},"9.8. Асинхронний доступ до даних","\u002Fcsharp\u002Fado-net\u002Fasync-data-access","01.csharp\u002F09.ado-net\u002F08.async-data-access",{"title":442,"path":443,"stem":444},"9.9. Від'єднаний режим: DataSet, DataTable, DataRow","\u002Fcsharp\u002Fado-net\u002Fdisconnected-mode-dataset","01.csharp\u002F09.ado-net\u002F09.disconnected-mode-dataset",{"title":446,"path":447,"stem":448},"9.10. DataAdapter — міст між DataSet та базою даних","\u002Fcsharp\u002Fado-net\u002Fdata-adapter","01.csharp\u002F09.ado-net\u002F10.data-adapter",{"title":450,"path":451,"stem":452},"9.11. Data Mapper та Repository: Архітектура доступу до даних","\u002Fcsharp\u002Fado-net\u002Fdata-mapper-repository","01.csharp\u002F09.ado-net\u002F11.data-mapper-repository",{"title":454,"path":455,"stem":456},"9.12. Identity Map, Unit of Work та Specification Pattern","\u002Fcsharp\u002Fado-net\u002Fadvanced-patterns","01.csharp\u002F09.ado-net\u002F12.advanced-patterns",{"title":458,"icon":255,"path":459,"stem":460,"children":461,"page":59},"Ef Core","\u002Fcsharp\u002Fef-core","01.csharp\u002F10.ef-core",[462,466,470,474,478,482,486,490,494,498,502,506,510,514,518,522,526,532,538,542,546,550,554,558,562,566,570,574,578,582,586,590,594,598,602,606,610,614,618,622,626,630,634,638,642,646],{"title":463,"path":464,"stem":465},"Що таке ORM? Від SQL до об'єктів","\u002Fcsharp\u002Fef-core\u002Fwhat-is-orm","01.csharp\u002F10.ef-core\u002F01.what-is-orm",{"title":467,"path":468,"stem":469},"Перший проєкт — від нуля до CRUD","\u002Fcsharp\u002Fef-core\u002Ffirst-project","01.csharp\u002F10.ef-core\u002F02.first-project",{"title":471,"path":472,"stem":473},"DbContext — Серце EF Core","\u002Fcsharp\u002Fef-core\u002Fdbcontext-deep-dive","01.csharp\u002F10.ef-core\u002F03.dbcontext-deep-dive",{"title":475,"path":476,"stem":477},"Провайдери баз даних — Архітектура та Вибір СУБД","\u002Fcsharp\u002Fef-core\u002Fdatabase-providers","01.csharp\u002F10.ef-core\u002F04.database-providers",{"title":479,"path":480,"stem":481},"Конвенції EF Core — Магія без конфігурації","\u002Fcsharp\u002Fef-core\u002Fconventions","01.csharp\u002F10.ef-core\u002F05.conventions",{"title":483,"path":484,"stem":485},"Fluent API та Data Annotations — Явна конфігурація моделі","\u002Fcsharp\u002Fef-core\u002Ffluent-api-vs-annotations","01.csharp\u002F10.ef-core\u002F06.fluent-api-vs-annotations",{"title":487,"path":488,"stem":489},"Зв'язки — One-to-One та One-to-Many","\u002Fcsharp\u002Fef-core\u002Frelationships-basics","01.csharp\u002F10.ef-core\u002F07.relationships-basics",{"title":491,"path":492,"stem":493},"Зв'язки Advanced — Many-to-Many та Складні Сценарії","\u002Fcsharp\u002Fef-core\u002Frelationships-advanced","01.csharp\u002F10.ef-core\u002F08.relationships-advanced",{"title":495,"path":496,"stem":497},"Властивості — Типи, Конвертери, Компаратори (Частина 1)","\u002Fcsharp\u002Fef-core\u002Fproperty-configuration-part1","01.csharp\u002F10.ef-core\u002F09.property-configuration-part1",{"title":499,"path":500,"stem":501},"Властивості — Value Comparers, Generators, Shadow Properties (Частина 2)","\u002Fcsharp\u002Fef-core\u002Fproperty-configuration-part2","01.csharp\u002F10.ef-core\u002F09.property-configuration-part2",{"title":503,"path":504,"stem":505},"Складні типи — Owned Types та Complex Types (Частина 1)","\u002Fcsharp\u002Fef-core\u002Fcomplex-types-owned-part1","01.csharp\u002F10.ef-core\u002F10.complex-types-owned-part1",{"title":507,"path":508,"stem":509},"Складні типи — Complex Types, Keyless Entities, Порівняння (Частина 2)","\u002Fcsharp\u002Fef-core\u002Fcomplex-types-owned-part2","01.csharp\u002F10.ef-core\u002F10.complex-types-owned-part2",{"title":511,"path":512,"stem":513},"JSON Columns — Складні дані у JSON (Частина 1)","\u002Fcsharp\u002Fef-core\u002Fjson-columns-part1","01.csharp\u002F10.ef-core\u002F11.json-columns-part1",{"title":515,"path":516,"stem":517},"JSON Columns — Value Comparers, Індекси, Провайдери (Частина 2)","\u002Fcsharp\u002Fef-core\u002Fjson-columns-part2","01.csharp\u002F10.ef-core\u002F11.json-columns-part2",{"title":519,"path":520,"stem":521},"Успадкування — Абстрактні класи та TPH (Частина 1)","\u002Fcsharp\u002Fef-core\u002Finheritance-part1","01.csharp\u002F10.ef-core\u002F12.inheritance-part1",{"title":523,"path":524,"stem":525},"Успадкування — TPT, TPC та Порівняння Стратегій (Частина 2)","\u002Fcsharp\u002Fef-core\u002Finheritance-part2","01.csharp\u002F10.ef-core\u002F12.inheritance-part2",{"title":527,"path":528,"stem":529,"children":530},"Індекси, Обмеження та Схема (Частина 1)","\u002Fcsharp\u002Fef-core\u002Findexes-constraints-part1","01.csharp\u002F10.ef-core\u002F13.indexes-constraints-part1",[531],{"title":527,"path":528,"stem":529},{"title":533,"path":534,"stem":535,"children":536},"Індекси, Обмеження та Схема (Частина 2)","\u002Fcsharp\u002Fef-core\u002Findexes-constraints-part2","01.csharp\u002F10.ef-core\u002F13.indexes-constraints-part2",[537],{"title":533,"path":534,"stem":535},{"title":539,"path":540,"stem":541},"Seed Data — Початкові Дані (Частина 1)","\u002Fcsharp\u002Fef-core\u002Fseeding-part1","01.csharp\u002F10.ef-core\u002F14.seeding-part1",{"title":543,"path":544,"stem":545},"Seed Data — SQL-скрипти, Bogus та Стратегії (Частина 2)","\u002Fcsharp\u002Fef-core\u002Fseeding-part2","01.csharp\u002F10.ef-core\u002F14.seeding-part2",{"title":547,"path":548,"stem":549},"Global Query Filters — Глобальні Фільтри (Частина 1)","\u002Fcsharp\u002Fef-core\u002Fglobal-query-filters-part1","01.csharp\u002F10.ef-core\u002F15.global-query-filters-part1",{"title":551,"path":552,"stem":553},"Global Query Filters — Підводні камені та Інтеграція (Частина 2)","\u002Fcsharp\u002Fef-core\u002Fglobal-query-filters-part2","01.csharp\u002F10.ef-core\u002F15.global-query-filters-part2",{"title":555,"path":556,"stem":557},"LINQ-запити в EF Core (Частина 1)","\u002Fcsharp\u002Fef-core\u002Flinq-queries-part1","01.csharp\u002F10.ef-core\u002F16.linq-queries-part1",{"title":559,"path":560,"stem":561},"LINQ-запити в EF Core (Частина 2)","\u002Fcsharp\u002Fef-core\u002Flinq-queries-part2","01.csharp\u002F10.ef-core\u002F16.linq-queries-part2",{"title":563,"path":564,"stem":565},"Завантаження Пов'язаних Даних (Частина 1)","\u002Fcsharp\u002Fef-core\u002Floading-related-data-part1","01.csharp\u002F10.ef-core\u002F17.loading-related-data-part1",{"title":567,"path":568,"stem":569},"Завантаження Пов'язаних Даних (Частина 2)","\u002Fcsharp\u002Fef-core\u002Floading-related-data-part2","01.csharp\u002F10.ef-core\u002F17.loading-related-data-part2",{"title":571,"path":572,"stem":573},"Raw SQL, Views та Stored Procedures (Частина 1)","\u002Fcsharp\u002Fef-core\u002Fraw-sql-part1","01.csharp\u002F10.ef-core\u002F18.raw-sql-part1",{"title":575,"path":576,"stem":577},"Raw SQL — Stored Procedures, DbFunction та Bulk Operations (Частина 2)","\u002Fcsharp\u002Fef-core\u002Fraw-sql-part2","01.csharp\u002F10.ef-core\u002F18.raw-sql-part2",{"title":579,"path":580,"stem":581},"Продвинуті Запити — Compiled Queries, Bulk та Оптимізація (Частина 1)","\u002Fcsharp\u002Fef-core\u002Fadvanced-queries-part1","01.csharp\u002F10.ef-core\u002F19.advanced-queries-part1",{"title":583,"path":584,"stem":585},"Продвинуті Запити — Query Tags, Bulk та Interceptors (Частина 2)","\u002Fcsharp\u002Fef-core\u002Fadvanced-queries-part2","01.csharp\u002F10.ef-core\u002F19.advanced-queries-part2",{"title":587,"path":588,"stem":589},"Change Tracker — Відстеження Змін (Частина 1)","\u002Fcsharp\u002Fef-core\u002Fchange-tracking-part1","01.csharp\u002F10.ef-core\u002F20.change-tracking-part1",{"title":591,"path":592,"stem":593},"Change Tracker — Графи Об'єктів та Disconnected (Частина 2)","\u002Fcsharp\u002Fef-core\u002Fchange-tracking-part2","01.csharp\u002F10.ef-core\u002F20.change-tracking-part2",{"title":595,"path":596,"stem":597},"Збереження Даних та Транзакції (Частина 1)","\u002Fcsharp\u002Fef-core\u002Fsaving-data-part1","01.csharp\u002F10.ef-core\u002F21.saving-data-part1",{"title":599,"path":600,"stem":601},"Збереження Даних — Concurrency та Outbox (Частина 2)","\u002Fcsharp\u002Fef-core\u002Fsaving-data-part2","01.csharp\u002F10.ef-core\u002F21.saving-data-part2",{"title":603,"path":604,"stem":605},"Конкурентність та Блокування (Частина 1)","\u002Fcsharp\u002Fef-core\u002Fconcurrency-part1","01.csharp\u002F10.ef-core\u002F22.concurrency-part1",{"title":607,"path":608,"stem":609},"Конкурентність — Дедлоки та Queue Processing (Частина 2)","\u002Fcsharp\u002Fef-core\u002Fconcurrency-part2","01.csharp\u002F10.ef-core\u002F22.concurrency-part2",{"title":611,"path":612,"stem":613},"Міграції в EF Core — Основи (Частина 1)","\u002Fcsharp\u002Fef-core\u002Fmigrations-basics-part1","01.csharp\u002F10.ef-core\u002F23.migrations-basics-part1",{"title":615,"path":616,"stem":617},"Міграції в EF Core — Основи (Частина 2)","\u002Fcsharp\u002Fef-core\u002Fmigrations-basics-part2","01.csharp\u002F10.ef-core\u002F23.migrations-basics-part2",{"title":619,"path":620,"stem":621},"Міграції — Просунуті Сценарії (Частина 1)","\u002Fcsharp\u002Fef-core\u002Fmigrations-advanced-part1","01.csharp\u002F10.ef-core\u002F24.migrations-advanced-part1",{"title":623,"path":624,"stem":625},"Міграції — Просунуті Сценарії (Частина 2)","\u002Fcsharp\u002Fef-core\u002Fmigrations-advanced-part2","01.csharp\u002F10.ef-core\u002F24.migrations-advanced-part2",{"title":627,"path":628,"stem":629},"Управління Схемою та Database-First (Частина 1)","\u002Fcsharp\u002Fef-core\u002Fschema-management-part1","01.csharp\u002F10.ef-core\u002F25.schema-management-part1",{"title":631,"path":632,"stem":633},"Управління Схемою та Database-First (Частина 2)","\u002Fcsharp\u002Fef-core\u002Fschema-management-part2","01.csharp\u002F10.ef-core\u002F25.schema-management-part2",{"title":635,"path":636,"stem":637},"Продуктивність EF Core — Основи (Частина 1)","\u002Fcsharp\u002Fef-core\u002Fperformance-fundamentals-part1","01.csharp\u002F10.ef-core\u002F26.performance-fundamentals-part1",{"title":639,"path":640,"stem":641},"Interceptors в EF Core (Частина 1)","\u002Fcsharp\u002Fef-core\u002Finterceptors-part1","01.csharp\u002F10.ef-core\u002F29.interceptors-part1",{"title":643,"path":644,"stem":645},"Interceptors в EF Core — Connection, Transaction та Materialization (Частина 2)","\u002Fcsharp\u002Fef-core\u002Finterceptors-part2","01.csharp\u002F10.ef-core\u002F29.interceptors-part2",{"title":647,"path":648,"stem":649},"План вивчення Entity Framework Core — Повний курс","\u002Fcsharp\u002Fef-core\u002Fimplementation_plan","01.csharp\u002F10.ef-core\u002Fimplementation_plan",{"title":651,"icon":652,"path":653,"stem":654,"children":655,"page":59},"ASP.NET","i-devicon-dotnetcore","\u002Fcsharp\u002Faspnet","01.csharp\u002F11.aspnet",[656,730,791,869,927,941,967,1057,1111,1182,1212,1289,1346],{"title":657,"icon":658,"path":659,"stem":660,"children":661,"page":59},"Minimal API","i-lucide-network","\u002Fcsharp\u002Faspnet\u002Fminimal-api","01.csharp\u002F11.aspnet\u002F01.minimal-api",[662,666,670,674,678,682,686,690,694,698,702,706,710,714,718,722,726],{"title":663,"path":664,"stem":665},"Вступ до ASP.NET та еволюція фреймворку","\u002Fcsharp\u002Faspnet\u002Fminimal-api\u002Fintroduction","01.csharp\u002F11.aspnet\u002F01.minimal-api\u002F01.introduction",{"title":667,"path":668,"stem":669},"Перший додаток на ASP.NET Core","\u002Fcsharp\u002Faspnet\u002Fminimal-api\u002Ffirst-application","01.csharp\u002F11.aspnet\u002F01.minimal-api\u002F02.first-application",{"title":671,"path":672,"stem":673},"WebApplication, Builder та Dependency Injection","\u002Fcsharp\u002Faspnet\u002Fminimal-api\u002Fwebapplication-builder","01.csharp\u002F11.aspnet\u002F01.minimal-api\u002F03.webapplication-builder",{"title":675,"path":676,"stem":677},"Конвеєр запитів та Middleware","\u002Fcsharp\u002Faspnet\u002Fminimal-api\u002Frequest-pipeline-middleware","01.csharp\u002F11.aspnet\u002F01.minimal-api\u002F04.request-pipeline-middleware",{"title":679,"path":680,"stem":681},"Маршрутизація в ASP.NET Core: Основи","\u002Fcsharp\u002Faspnet\u002Fminimal-api\u002Frouting-basics","01.csharp\u002F11.aspnet\u002F01.minimal-api\u002F05.routing-basics",{"title":683,"path":684,"stem":685},"Маршрутизація в ASP.NET Core: Розширені можливості","\u002Fcsharp\u002Faspnet\u002Fminimal-api\u002Frouting-advanced","01.csharp\u002F11.aspnet\u002F01.minimal-api\u002F06.routing-advanced",{"title":687,"path":688,"stem":689},"Статичні файли в ASP.NET Core","\u002Fcsharp\u002Faspnet\u002Fminimal-api\u002Fstatic-files","01.csharp\u002F11.aspnet\u002F01.minimal-api\u002F07.static-files",{"title":691,"path":692,"stem":693},"Статичні Активи: MapStaticAssets (ASP.NET Core 9.0)","\u002Fcsharp\u002Faspnet\u002Fminimal-api\u002Fstatic-assets","01.csharp\u002F11.aspnet\u002F01.minimal-api\u002F08.static-assets",{"title":695,"path":696,"stem":697},"Конфігурація в ASP.NET Core: Основи","\u002Fcsharp\u002Faspnet\u002Fminimal-api\u002Fconfiguration-fundamentals","01.csharp\u002F11.aspnet\u002F01.minimal-api\u002F09.configuration-fundamentals",{"title":699,"path":700,"stem":701},"Конфігурація: Паттерн Options","\u002Fcsharp\u002Faspnet\u002Fminimal-api\u002Fconfiguration-options","01.csharp\u002F11.aspnet\u002F01.minimal-api\u002F10.configuration-options",{"title":703,"path":704,"stem":705},"Логування в ASP.NET Core: Основи","\u002Fcsharp\u002Faspnet\u002Fminimal-api\u002Flogging-basics","01.csharp\u002F11.aspnet\u002F01.minimal-api\u002F11.logging-basics",{"title":707,"path":708,"stem":709},"Логування: Serilog та Middleware","\u002Fcsharp\u002Faspnet\u002Fminimal-api\u002Flogging-advanced","01.csharp\u002F11.aspnet\u002F01.minimal-api\u002F12.logging-advanced",{"title":711,"path":712,"stem":713},"Управління станом: HttpContext.Items та Cookies","\u002Fcsharp\u002Faspnet\u002Fminimal-api\u002Fstate-management","01.csharp\u002F11.aspnet\u002F01.minimal-api\u002F13.state-management",{"title":715,"path":716,"stem":717},"Стан сесії: Sessions","\u002Fcsharp\u002Faspnet\u002Fminimal-api\u002Fsession-state","01.csharp\u002F11.aspnet\u002F01.minimal-api\u002F14.session-state",{"title":719,"path":720,"stem":721},"Структура проєкту: від хаосу до архітектури","\u002Fcsharp\u002Faspnet\u002Fminimal-api\u002Fproject-structure","01.csharp\u002F11.aspnet\u002F01.minimal-api\u002F15.project-structure",{"title":723,"path":724,"stem":725},"Scalar у Minimal API: повний проєкт і Fluent OpenAPI","\u002Fcsharp\u002Faspnet\u002Fminimal-api\u002Fscalar-openapi-fluent","01.csharp\u002F11.aspnet\u002F01.minimal-api\u002F16.scalar-openapi-fluent",{"title":727,"path":728,"stem":729},"Swagger \u002F Swashbuckle у Minimal API: окремий класичний шлях","\u002Fcsharp\u002Faspnet\u002Fminimal-api\u002Fswagger-swashbuckle","01.csharp\u002F11.aspnet\u002F01.minimal-api\u002F17.swagger-swashbuckle",{"title":731,"icon":658,"path":732,"stem":733,"children":734,"page":59},"API","\u002Fcsharp\u002Faspnet\u002Fapi","01.csharp\u002F11.aspnet\u002F02.api",[735,739,743,747,751,755,759,763,767,771,775,779,783,787],{"title":736,"path":737,"stem":738},"Що таке API. Клієнт-серверна архітектура","\u002Fcsharp\u002Faspnet\u002Fapi\u002Fwhat-is-api","01.csharp\u002F11.aspnet\u002F02.api\u002F01.what-is-api",{"title":740,"path":741,"stem":742},"Формати даних: JSON, XML, TOML та бінарні формати","\u002Fcsharp\u002Faspnet\u002Fapi\u002Fdata-formats","01.csharp\u002F11.aspnet\u002F02.api\u002F02.data-formats",{"title":744,"path":745,"stem":746},"Парадигми API та концепція REST","\u002Fcsharp\u002Faspnet\u002Fapi\u002Fapi-paradigms-rest","01.csharp\u002F11.aspnet\u002F02.api\u002F03.api-paradigms-rest",{"title":748,"path":749,"stem":750},"HTTP-методи, статус-коди та заголовки","\u002Fcsharp\u002Faspnet\u002Fapi\u002Fhttp-methods-status-codes","01.csharp\u002F11.aspnet\u002F02.api\u002F04.http-methods-status-codes",{"title":752,"path":753,"stem":754},"Організація HTTP API за принципами REST","\u002Fcsharp\u002Faspnet\u002Fapi\u002Frest-organizing","01.csharp\u002F11.aspnet\u002F02.api\u002F05.rest-organizing",{"title":756,"path":757,"stem":758},"Номенклатура URL та CRUD-операції","\u002Fcsharp\u002Faspnet\u002Fapi\u002Furl-nomenclature-crud","01.csharp\u002F11.aspnet\u002F02.api\u002F06.url-nomenclature-crud",{"title":760,"path":761,"stem":762},"Правила дизайну: іменування та стандарти","\u002Fcsharp\u002Faspnet\u002Fapi\u002Fapi-design-naming","01.csharp\u002F11.aspnet\u002F02.api\u002F07.api-design-naming",{"title":764,"path":765,"stem":766},"Валідація, ліміти та обробка помилок","\u002Fcsharp\u002Faspnet\u002Fapi\u002Fapi-design-validation","01.csharp\u002F11.aspnet\u002F02.api\u002F08.api-design-validation",{"title":768,"path":769,"stem":770},"Обробка помилок у Minimal API","\u002Fcsharp\u002Faspnet\u002Fapi\u002Ferror-handling-http","01.csharp\u002F11.aspnet\u002F02.api\u002F09.error-handling-http",{"title":772,"path":773,"stem":774},"Ідемпотентність та синхронізація стану","\u002Fcsharp\u002Faspnet\u002Fapi\u002Fidempotency-sync","01.csharp\u002F11.aspnet\u002F02.api\u002F10.idempotency-sync",{"title":776,"path":777,"stem":778},"Пагінація та організація списків","\u002Fcsharp\u002Faspnet\u002Fapi\u002Fpagination-lists","01.csharp\u002F11.aspnet\u002F02.api\u002F11.pagination-lists",{"title":780,"path":781,"stem":782},"Безпека API, кешування та інтернаціоналізація","\u002Fcsharp\u002Faspnet\u002Fapi\u002Fsecurity-auth","01.csharp\u002F11.aspnet\u002F02.api\u002F12.security-auth",{"title":784,"path":785,"stem":786},"Процес проєктування API та документування","\u002Fcsharp\u002Faspnet\u002Fapi\u002Fapi-design-process","01.csharp\u002F11.aspnet\u002F02.api\u002F13.api-design-process",{"title":788,"path":789,"stem":790},"OpenAPI: контракт, специфікація та документація API","\u002Fcsharp\u002Faspnet\u002Fapi\u002Fopenapi","01.csharp\u002F11.aspnet\u002F02.api\u002F14.openapi",{"title":792,"icon":793,"path":794,"stem":795,"children":796,"page":59},"Auth","i-lucide-shield-check","\u002Fcsharp\u002Faspnet\u002Fauth","01.csharp\u002F11.aspnet\u002F03.auth",[797,801,805,809,813,817,821,825,829,833,837,841,845,849,853,857,861,865],{"title":798,"path":799,"stem":800},"Основи аутентифікації та авторизації","\u002Fcsharp\u002Faspnet\u002Fauth\u002Fauth-fundamentals","01.csharp\u002F11.aspnet\u002F03.auth\u002F01.auth-fundamentals",{"title":802,"path":803,"stem":804},"JWT-аутентифікація","\u002Fcsharp\u002Faspnet\u002Fauth\u002Fjwt-authentication","01.csharp\u002F11.aspnet\u002F03.auth\u002F02.jwt-authentication",{"title":806,"path":807,"stem":808},"Авторизація: ролі, політики та resource-based доступ","\u002Fcsharp\u002Faspnet\u002Fauth\u002Fauthorization-policies","01.csharp\u002F11.aspnet\u002F03.auth\u002F03.authorization-policies",{"title":810,"path":811,"stem":812},"Cookie-аутентифікація та ASP.NET Core Identity","\u002Fcsharp\u002Faspnet\u002Fauth\u002Fcookie-auth-identity","01.csharp\u002F11.aspnet\u002F03.auth\u002F04.cookie-auth-identity",{"title":814,"path":815,"stem":816},"JWT + Refresh Tokens (HttpOnly Cookie)","\u002Fcsharp\u002Faspnet\u002Fauth\u002F04b.identity-auth-jwt","01.csharp\u002F11.aspnet\u002F03.auth\u002F04b.identity-auth-jwt",{"title":818,"path":819,"stem":820},"Identity: Підтвердження Email та Скидання Пароля","\u002Fcsharp\u002Faspnet\u002Fauth\u002Fidentity-email-confirmation","01.csharp\u002F11.aspnet\u002F03.auth\u002F05.identity-email-confirmation",{"title":822,"path":823,"stem":824},"Identity: Двофакторна Аутентифікація (2FA)","\u002Fcsharp\u002Faspnet\u002Fauth\u002Fidentity-two-factor","01.csharp\u002F11.aspnet\u002F03.auth\u002F06.identity-two-factor",{"title":826,"path":827,"stem":828},"Identity: Внутрішня Архітектура та Кастомізація","\u002Fcsharp\u002Faspnet\u002Fauth\u002Fidentity-internals","01.csharp\u002F11.aspnet\u002F03.auth\u002F07.identity-internals",{"title":830,"path":831,"stem":832},"OAuth 2.0 та зовнішні провайдери","\u002Fcsharp\u002Faspnet\u002Fauth\u002Foauth-external-providers","01.csharp\u002F11.aspnet\u002F03.auth\u002F08.oauth-external-providers",{"title":834,"path":835,"stem":836},"Безпека на практиці: CORS, HTTPS та захист від атак","\u002Fcsharp\u002Faspnet\u002Fauth\u002Fsecurity-hardening","01.csharp\u002F11.aspnet\u002F03.auth\u002F09.security-hardening",{"title":838,"path":839,"stem":840},"Теорія OAuth 2.0: Поняття, Аналогії та Флоу","\u002Fcsharp\u002Faspnet\u002Fauth\u002Foauth-theory","01.csharp\u002F11.aspnet\u002F03.auth\u002F10.oauth-theory",{"title":842,"path":843,"stem":844},"OIDC, OAuth 2.0 та Keycloak в ASP.NET Core","\u002Fcsharp\u002Faspnet\u002Fauth\u002Foidc-keycloak","01.csharp\u002F11.aspnet\u002F03.auth\u002F10.oidc-keycloak",{"title":846,"path":847,"stem":848},"API Keys аутентифікація в ASP.NET Core","\u002Fcsharp\u002Faspnet\u002Fauth\u002Fapi-keys","01.csharp\u002F11.aspnet\u002F03.auth\u002F11.api-keys",{"title":850,"path":851,"stem":852},"Rate Limiting та Throttling в ASP.NET Core","\u002Fcsharp\u002Faspnet\u002Fauth\u002Frate-limiting","01.csharp\u002F11.aspnet\u002F03.auth\u002F12.rate-limiting",{"title":854,"path":855,"stem":856},"Refresh Token Rotation в ASP.NET Core","\u002Fcsharp\u002Faspnet\u002Fauth\u002Frefresh-token-rotation","01.csharp\u002F11.aspnet\u002F03.auth\u002F13.refresh-token-rotation",{"title":858,"path":859,"stem":860},"Certificate Authentication та mTLS в ASP.NET Core","\u002Fcsharp\u002Faspnet\u002Fauth\u002Fcertificate-auth","01.csharp\u002F11.aspnet\u002F03.auth\u002F14.certificate-auth",{"title":862,"path":863,"stem":864},"RBAC, ABAC та ReBAC в ASP.NET Core","\u002Fcsharp\u002Faspnet\u002Fauth\u002Frbac-abac-rebac","01.csharp\u002F11.aspnet\u002F03.auth\u002F15.rbac-abac-rebac",{"title":866,"path":867,"stem":868},"Multi-tenancy та ізоляція даних в ASP.NET Core","\u002Fcsharp\u002Faspnet\u002Fauth\u002Fmulti-tenancy","01.csharp\u002F11.aspnet\u002F03.auth\u002F16.multi-tenancy",{"title":870,"icon":871,"path":872,"stem":873,"children":874,"page":59},"Нотифікації","i-lucide-bell","\u002Fcsharp\u002Faspnet\u002Fnotifications","01.csharp\u002F11.aspnet\u002F04.notifications",[875,879,883,887,891,895,899,903,907,911,915,919,923],{"title":876,"path":877,"stem":878},"In-App нотифікації через базу даних","\u002Fcsharp\u002Faspnet\u002Fnotifications\u002Fin-app-database-notifications","01.csharp\u002F11.aspnet\u002F04.notifications\u002F01.in-app-database-notifications",{"title":880,"path":881,"stem":882},"Polling: Регулярний запит оновлень","\u002Fcsharp\u002Faspnet\u002Fnotifications\u002Fpolling","01.csharp\u002F11.aspnet\u002F04.notifications\u002F02.polling",{"title":884,"path":885,"stem":886},"Server-Sent Events: Однострімовий push від сервера","\u002Fcsharp\u002Faspnet\u002Fnotifications\u002Fserver-sent-events","01.csharp\u002F11.aspnet\u002F04.notifications\u002F03.server-sent-events",{"title":888,"path":889,"stem":890},"WebSockets: Двостороннє з'єднання в реальному часі","\u002Fcsharp\u002Faspnet\u002Fnotifications\u002Fwebsockets","01.csharp\u002F11.aspnet\u002F04.notifications\u002F04.websockets",{"title":892,"path":893,"stem":894},"SignalR: Абстракція над транспортами реального часу","\u002Fcsharp\u002Faspnet\u002Fnotifications\u002Fsignalr","01.csharp\u002F11.aspnet\u002F04.notifications\u002F05.signalr",{"title":896,"path":897,"stem":898},"Background Services: Фонові задачі в ASP.NET Core","\u002Fcsharp\u002Faspnet\u002Fnotifications\u002Fbackground-services","01.csharp\u002F11.aspnet\u002F04.notifications\u002F06.background-services",{"title":900,"path":901,"stem":902},"Web Push нотифікації","\u002Fcsharp\u002Faspnet\u002Fnotifications\u002Fweb-push","01.csharp\u002F11.aspnet\u002F04.notifications\u002F07.web-push",{"title":904,"path":905,"stem":906},"Email нотифікації","\u002Fcsharp\u002Faspnet\u002Fnotifications\u002Femail-notifications","01.csharp\u002F11.aspnet\u002F04.notifications\u002F08.email-notifications",{"title":908,"path":909,"stem":910},"Порівняння підходів: Як вибрати правильну технологію нотифікацій","\u002Fcsharp\u002Faspnet\u002Fnotifications\u002Fchoosing-the-right-approach","01.csharp\u002F11.aspnet\u002F04.notifications\u002F09.choosing-the-right-approach",{"title":912,"path":913,"stem":914},"Hangfire: Надійне планування фонових задач","\u002Fcsharp\u002Faspnet\u002Fnotifications\u002Fhangfire","01.csharp\u002F11.aspnet\u002F04.notifications\u002F10.hangfire",{"title":916,"path":917,"stem":918},"Практика: Конвертація зображень у WebP через Hangfire","\u002Fcsharp\u002Faspnet\u002Fnotifications\u002Fhangfire-image-webp","01.csharp\u002F11.aspnet\u002F04.notifications\u002F11.hangfire-image-webp",{"title":920,"path":921,"stem":922},"Практика: Підготовка відео до HLS-стрімінгу через Hangfire","\u002Fcsharp\u002Faspnet\u002Fnotifications\u002Fhangfire-video-hls","01.csharp\u002F11.aspnet\u002F04.notifications\u002F12.hangfire-video-hls",{"title":924,"path":925,"stem":926},"Telegram-нотифікації: від одного повідомлення до масових розсилок і мульти-канального підходу","\u002Fcsharp\u002Faspnet\u002Fnotifications\u002Ftelegram-notifications","01.csharp\u002F11.aspnet\u002F04.notifications\u002F13.telegram-notifications",{"title":928,"icon":929,"path":930,"stem":931,"children":932,"page":59},"Інтернаціоналізація","i-lucide-languages","\u002Fcsharp\u002Faspnet\u002Fi18n","01.csharp\u002F11.aspnet\u002F05.i18n",[933,937],{"title":934,"path":935,"stem":936},"Інтернаціоналізація (i18n) у Minimal API: від A до Я","\u002Fcsharp\u002Faspnet\u002Fi18n\u002Finternationalization","01.csharp\u002F11.aspnet\u002F05.i18n\u002F01.internationalization",{"title":938,"path":939,"stem":940},"Humanizer: людиномовні рядки у .NET","\u002Fcsharp\u002Faspnet\u002Fi18n\u002Fhumanizer","01.csharp\u002F11.aspnet\u002F05.i18n\u002F02.humanizer",{"title":942,"icon":943,"path":944,"stem":945,"children":946,"page":59},"Кешування","i-lucide-layers","\u002Fcsharp\u002Faspnet\u002Fcaching","01.csharp\u002F11.aspnet\u002F06.caching",[947,951,955,959,963],{"title":948,"path":949,"stem":950},"Огляд кешування: чотири рівні і коли що обирати","\u002Fcsharp\u002Faspnet\u002Fcaching\u002Fcaching","01.csharp\u002F11.aspnet\u002F06.caching\u002F01.caching",{"title":952,"path":953,"stem":954},"IMemoryCache: кеш в оперативній пам'яті","\u002Fcsharp\u002Faspnet\u002Fcaching\u002Fmemory-cache","01.csharp\u002F11.aspnet\u002F06.caching\u002F02.memory-cache",{"title":956,"path":957,"stem":958},"IDistributedCache і Redis: розподілений кеш","\u002Fcsharp\u002Faspnet\u002Fcaching\u002Fdistributed-cache","01.csharp\u002F11.aspnet\u002F06.caching\u002F03.distributed-cache",{"title":960,"path":961,"stem":962},"Response Cache: HTTP-кешування через Cache-Control","\u002Fcsharp\u002Faspnet\u002Fcaching\u002Fresponse-cache","01.csharp\u002F11.aspnet\u002F06.caching\u002F04.response-cache",{"title":964,"path":965,"stem":966},"Output Cache: серверний кеш HTTP-відповідей (.NET 7+)","\u002Fcsharp\u002Faspnet\u002Fcaching\u002Foutput-cache","01.csharp\u002F11.aspnet\u002F06.caching\u002F05.output-cache",{"title":968,"icon":969,"path":970,"stem":971,"children":972,"page":59},"Тестування","i-lucide-test-tube","\u002Fcsharp\u002Faspnet\u002Ftesting","01.csharp\u002F11.aspnet\u002F07.testing",[973,977,981,985,989,993,997,1001,1005,1009,1013,1017,1021,1025,1029,1033,1037,1041,1045,1049,1053],{"title":974,"path":975,"stem":976},"Що таке тестування? Від інтуїції до науки","\u002Fcsharp\u002Faspnet\u002Ftesting\u002Fwhat-is-testing","01.csharp\u002F11.aspnet\u002F07.testing\u002F01.what-is-testing",{"title":978,"path":979,"stem":980},"Піраміда тестування — Стратегія, а не Догма","\u002Fcsharp\u002Faspnet\u002Ftesting\u002Ftesting-pyramid","01.csharp\u002F11.aspnet\u002F07.testing\u002F02.testing-pyramid",{"title":982,"path":983,"stem":984},"Дві Школи Тестування — Лондон проти Детройту","\u002Fcsharp\u002Faspnet\u002Ftesting\u002Ftesting-schools","01.csharp\u002F11.aspnet\u002F07.testing\u002F03.testing-schools",{"title":986,"path":987,"stem":988},"TDD та BDD — Тести як Дизайн-інструмент","\u002Fcsharp\u002Faspnet\u002Ftesting\u002Ftdd-and-bdd","01.csharp\u002F11.aspnet\u002F07.testing\u002F04.tdd-and-bdd",{"title":990,"path":991,"stem":992},"Що саме тестувати — Техніки аналізу та Циклomatична складність","\u002Fcsharp\u002Faspnet\u002Ftesting\u002Fwhat-to-test","01.csharp\u002F11.aspnet\u002F07.testing\u002F05.what-to-test",{"title":994,"path":995,"stem":996},"Тестові Фреймворки — Навіщо вони і що всередині","\u002Fcsharp\u002Faspnet\u002Ftesting\u002Ftest-frameworks","01.csharp\u002F11.aspnet\u002F07.testing\u002F06.test-frameworks",{"title":998,"path":999,"stem":1000},"xUnit — Факти, Теорії та Lifecycle тестів","\u002Fcsharp\u002Faspnet\u002Ftesting\u002Fxunit-basics","01.csharp\u002F11.aspnet\u002F07.testing\u002F07.xunit-basics",{"title":1002,"path":1003,"stem":1004},"xUnit Advanced — Fixtures, Кастомізація та Розширення","\u002Fcsharp\u002Faspnet\u002Ftesting\u002Fxunit-advanced","01.csharp\u002F11.aspnet\u002F07.testing\u002F08.xunit-advanced",{"title":1006,"path":1007,"stem":1008},"Moq — Глибоке занурення в мокування","\u002Fcsharp\u002Faspnet\u002Ftesting\u002Fmocking-with-moq","01.csharp\u002F11.aspnet\u002F07.testing\u002F09.mocking-with-moq",{"title":1010,"path":1011,"stem":1012},"Тестування Баз Даних — EF Core, SQLite та Testcontainers","\u002Fcsharp\u002Faspnet\u002Ftesting\u002Fdatabase-testing","01.csharp\u002F11.aspnet\u002F07.testing\u002F10.database-testing",{"title":1014,"path":1015,"stem":1016},"Integration Testing — Частина 1 [Теорія та WebApplicationFactory]","\u002Fcsharp\u002Faspnet\u002Ftesting\u002Fintegration-testing","01.csharp\u002F11.aspnet\u002F07.testing\u002F11.integration-testing",{"title":1018,"path":1019,"stem":1020},"Інтеграційне тестування — Практика","\u002Fcsharp\u002Faspnet\u002Ftesting\u002F11a.integration-testing-practice","01.csharp\u002F11.aspnet\u002F07.testing\u002F11a.integration-testing-practice",{"title":1022,"path":1023,"stem":1024},"Integration Testing — Частина 2 [Просунуті Сценарії та Testcontainers]","\u002Fcsharp\u002Faspnet\u002Ftesting\u002Fintegration-testing-advanced","01.csharp\u002F11.aspnet\u002F07.testing\u002F12.integration-testing-advanced",{"title":1026,"path":1027,"stem":1028},"Професійний Postman: Колекції, Змінні та GitHub Інтеграція","\u002Fcsharp\u002Faspnet\u002Ftesting\u002Fpostman-professional","01.csharp\u002F11.aspnet\u002F07.testing\u002F13.postman-professional",{"title":1030,"path":1031,"stem":1032},"HttpClient у Тестах Частина 1: Архітектура та MockHttpMessageHandler","\u002Fcsharp\u002Faspnet\u002Ftesting\u002Fhttpclient-testing","01.csharp\u002F11.aspnet\u002F07.testing\u002F14.httpclient-testing",{"title":1034,"path":1035,"stem":1036},"HttpClient у Тестах Частина 2: WireMock.Net та Resilience","\u002Fcsharp\u002Faspnet\u002Ftesting\u002Fwiremock-net","01.csharp\u002F11.aspnet\u002F07.testing\u002F15.wiremock-net",{"title":1038,"path":1039,"stem":1040},"Патерни та Анти-патерни Тестування: Test Smells","\u002Fcsharp\u002Faspnet\u002Ftesting\u002Ftesting-patterns","01.csharp\u002F11.aspnet\u002F07.testing\u002F16.testing-patterns",{"title":1042,"path":1043,"stem":1044},"Просунуті інструменти: Time, Snapshots та Властивості","\u002Fcsharp\u002Faspnet\u002Ftesting\u002Fadvanced-testing-tools","01.csharp\u002F11.aspnet\u002F07.testing\u002F17.advanced-testing-tools",{"title":1046,"path":1047,"stem":1048},"Тестування Архітектури з NetArchTest","\u002Fcsharp\u002Faspnet\u002Ftesting\u002Farchitecture-testing","01.csharp\u002F11.aspnet\u002F07.testing\u002F18.architecture-testing",{"title":1050,"path":1051,"stem":1052},"Тестування Продуктивності: BenchmarkDotNet, NBomber та k6","\u002Fcsharp\u002Faspnet\u002Ftesting\u002Fperformance-testing","01.csharp\u002F11.aspnet\u002F07.testing\u002F19.performance-testing",{"title":1054,"path":1055,"stem":1056},"Залишок плану для курсу \"Тестування ASP.NET Minimal API\"","\u002Fcsharp\u002Faspnet\u002Ftesting\u002Fremaining_plan","01.csharp\u002F11.aspnet\u002F07.testing\u002Fremaining_plan",{"title":1058,"icon":1059,"path":1060,"stem":1061,"children":1062,"page":59},"Платежі","i-lucide-credit-card","\u002Fcsharp\u002Faspnet\u002Fpayments","01.csharp\u002F11.aspnet\u002F08.payments",[1063,1067,1071,1075,1079,1083,1087,1091,1095,1099,1103,1107],{"title":1064,"path":1065,"stem":1066},"Основи платіжної інфраструктури","\u002Fcsharp\u002Faspnet\u002Fpayments\u002Fpayment-fundamentals","01.csharp\u002F11.aspnet\u002F08.payments\u002F01.payment-fundamentals",{"title":1068,"path":1069,"stem":1070},"Методи оплати в Україні","\u002Fcsharp\u002Faspnet\u002Fpayments\u002Fpayment-methods-ukraine","01.csharp\u002F11.aspnet\u002F08.payments\u002F02.payment-methods-ukraine",{"title":1072,"path":1073,"stem":1074},"PCI DSS та безпека платежів","\u002Fcsharp\u002Faspnet\u002Fpayments\u002Fpci-dss-security","01.csharp\u002F11.aspnet\u002F08.payments\u002F03.pci-dss-security",{"title":1076,"path":1077,"stem":1078},"Архітектура платіжної підсистеми","\u002Fcsharp\u002Faspnet\u002Fpayments\u002Fpayment-architecture","01.csharp\u002F11.aspnet\u002F08.payments\u002F04.payment-architecture",{"title":1080,"path":1081,"stem":1082},"Інтеграція LiqPay (ПриватБанк)","\u002Fcsharp\u002Faspnet\u002Fpayments\u002Fliqpay-integration","01.csharp\u002F11.aspnet\u002F08.payments\u002F05.liqpay-integration",{"title":1084,"path":1085,"stem":1086},"Інтеграція Monobank Acquiring API","\u002Fcsharp\u002Faspnet\u002Fpayments\u002Fmonobank-acquiring","01.csharp\u002F11.aspnet\u002F08.payments\u002F06.monobank-acquiring",{"title":1088,"path":1089,"stem":1090},"Інтеграція Stripe","\u002Fcsharp\u002Faspnet\u002Fpayments\u002Fstripe-integration","01.csharp\u002F11.aspnet\u002F08.payments\u002F07.stripe-integration",{"title":1092,"path":1093,"stem":1094},"Webhooks — глибоке занурення","\u002Fcsharp\u002Faspnet\u002Fpayments\u002Fwebhooks-deep-dive","01.csharp\u002F11.aspnet\u002F08.payments\u002F08.webhooks-deep-dive",{"title":1096,"path":1097,"stem":1098},"Підписки та рекурентні платежі","\u002Fcsharp\u002Faspnet\u002Fpayments\u002Fsubscriptions-recurring","01.csharp\u002F11.aspnet\u002F08.payments\u002F09.subscriptions-recurring",{"title":1100,"path":1101,"stem":1102},"Повернення коштів та диспути","\u002Fcsharp\u002Faspnet\u002Fpayments\u002Frefunds-disputes","01.csharp\u002F11.aspnet\u002F08.payments\u002F10.refunds-disputes",{"title":1104,"path":1105,"stem":1106},"Тестування платіжних інтеграцій","\u002Fcsharp\u002Faspnet\u002Fpayments\u002Ftesting-payments","01.csharp\u002F11.aspnet\u002F08.payments\u002F11.testing-payments",{"title":1108,"path":1109,"stem":1110},"Чекліст виходу в Production","\u002Fcsharp\u002Faspnet\u002Fpayments\u002Fproduction-checklist","01.csharp\u002F11.aspnet\u002F08.payments\u002F12.production-checklist",{"title":1112,"icon":1113,"items":1114,"path":1127,"stem":1128,"children":1129,"page":59},"Популярні бібліотеки","lucide:box",[1115,1116,1117,1118,1119,1120,1121,1122,1123,1124,1125,1126],"01.fluent-validation","02.mapster","03.erroror-result-pattern","04.serilog","05.mediatr","06.polly","07.health-checks","08.feature-management","09.fluent-email","10.quest-pdf","11.bogus","12.humanizer-guard","\u002Fcsharp\u002Faspnet\u002Flibraries","01.csharp\u002F11.aspnet\u002F09.libraries",[1130,1134,1138,1142,1146,1150,1154,1158,1162,1166,1170,1174,1178],{"title":1131,"path":1132,"stem":1133},"Валідація з FluentValidation в ASP.NET Core","\u002Fcsharp\u002Faspnet\u002Flibraries\u002Ffluent-validation","01.csharp\u002F11.aspnet\u002F09.libraries\u002F01.fluent-validation",{"title":1135,"path":1136,"stem":1137},"Маппінг об","\u002Fcsharp\u002Faspnet\u002Flibraries\u002Fmapster","01.csharp\u002F11.aspnet\u002F09.libraries\u002F02.mapster",{"title":1139,"path":1140,"stem":1141},"Обробка помилок з ErrorOr та Result Pattern в ASP.NET Core","\u002Fcsharp\u002Faspnet\u002Flibraries\u002Ferroror-result-pattern","01.csharp\u002F11.aspnet\u002F09.libraries\u002F03.erroror-result-pattern",{"title":1143,"path":1144,"stem":1145},"Структуроване логування з Serilog в ASP.NET Core","\u002Fcsharp\u002Faspnet\u002Flibraries\u002Fserilog","01.csharp\u002F11.aspnet\u002F09.libraries\u002F04.serilog",{"title":1147,"path":1148,"stem":1149},"CQRS та Mediator з MediatR в ASP.NET Core","\u002Fcsharp\u002Faspnet\u002Flibraries\u002Fmediatr","01.csharp\u002F11.aspnet\u002F09.libraries\u002F05.mediatr",{"title":1151,"path":1152,"stem":1153},"Відмовостійкість з Polly в ASP.NET Core","\u002Fcsharp\u002Faspnet\u002Flibraries\u002Fpolly","01.csharp\u002F11.aspnet\u002F09.libraries\u002F06.polly",{"title":1155,"path":1156,"stem":1157},"Health Checks в ASP.NET Core","\u002Fcsharp\u002Faspnet\u002Flibraries\u002Fhealth-checks","01.csharp\u002F11.aspnet\u002F09.libraries\u002F07.health-checks",{"title":1159,"path":1160,"stem":1161},"Feature Management та Feature Flags в ASP.NET Core","\u002Fcsharp\u002Faspnet\u002Flibraries\u002Ffeature-management","01.csharp\u002F11.aspnet\u002F09.libraries\u002F08.feature-management",{"title":1163,"path":1164,"stem":1165},"Відправка Email з FluentEmail в ASP.NET Core","\u002Fcsharp\u002Faspnet\u002Flibraries\u002Ffluent-email","01.csharp\u002F11.aspnet\u002F09.libraries\u002F09.fluent-email",{"title":1167,"path":1168,"stem":1169},"Генерація PDF з QuestPDF в ASP.NET Core","\u002Fcsharp\u002Faspnet\u002Flibraries\u002Fquest-pdf","01.csharp\u002F11.aspnet\u002F09.libraries\u002F10.quest-pdf",{"title":1171,"path":1172,"stem":1173},"Генерація тестових даних з Bogus в ASP.NET Core","\u002Fcsharp\u002Faspnet\u002Flibraries\u002Fbogus","01.csharp\u002F11.aspnet\u002F09.libraries\u002F11.bogus",{"title":1175,"path":1176,"stem":1177},"Humanizer та Guard Clauses в ASP.NET Core","\u002Fcsharp\u002Faspnet\u002Flibraries\u002Fhumanizer-guard","01.csharp\u002F11.aspnet\u002F09.libraries\u002F12.humanizer-guard",{"title":1179,"path":1180,"stem":1181},"План модуля 10.libraries — Популярні бібліотеки ASP.NET","\u002Fcsharp\u002Faspnet\u002Flibraries\u002Fplan","01.csharp\u002F11.aspnet\u002F09.libraries\u002Fplan",{"title":1183,"icon":1184,"path":1185,"stem":1186,"children":1187,"page":59},"Razor Pages","i-lucide-layout-template","\u002Fcsharp\u002Faspnet\u002Frazor-pages","01.csharp\u002F11.aspnet\u002F10.razor-pages",[1188,1192,1196,1200,1204,1208],{"title":1189,"path":1190,"stem":1191},"Від Minimal API до Razor Pages: концептуальний перехід","\u002Fcsharp\u002Faspnet\u002Frazor-pages\u002Ffrom-minimal-api","01.csharp\u002F11.aspnet\u002F10.razor-pages\u002F01.from-minimal-api",{"title":1193,"path":1194,"stem":1195},"PageModel: логіка сторінки Razor Pages","\u002Fcsharp\u002Faspnet\u002Frazor-pages\u002Fpage-model","01.csharp\u002F11.aspnet\u002F10.razor-pages\u002F02.page-model",{"title":1197,"path":1198,"stem":1199},"Razor синтаксис: шаблонізатор у .cshtml","\u002Fcsharp\u002Faspnet\u002Frazor-pages\u002Frazor-syntax","01.csharp\u002F11.aspnet\u002F10.razor-pages\u002F03.razor-syntax",{"title":1201,"path":1202,"stem":1203},"Tag Helpers: типізований HTML","\u002Fcsharp\u002Faspnet\u002Frazor-pages\u002Ftag-helpers","01.csharp\u002F11.aspnet\u002F10.razor-pages\u002F04.tag-helpers",{"title":1205,"path":1206,"stem":1207},"Форми і валідація: повний цикл обробки даних","\u002Fcsharp\u002Faspnet\u002Frazor-pages\u002Fforms-validation","01.csharp\u002F11.aspnet\u002F10.razor-pages\u002F05.forms-validation",{"title":1209,"path":1210,"stem":1211},"Практичний проєкт: TaskManager на Razor Pages","\u002Fcsharp\u002Faspnet\u002Frazor-pages\u002Fproject-task-manager","01.csharp\u002F11.aspnet\u002F10.razor-pages\u002F06.project-task-manager",{"title":1213,"path":1214,"stem":1215,"children":1216,"page":59},"ASP.NET Core MVC","\u002Fcsharp\u002Faspnet\u002Fmvc","01.csharp\u002F11.aspnet\u002F11.mvc",[1217,1221,1225,1229,1233,1237,1241,1245,1249,1253,1257,1261,1265,1269,1273,1277,1281,1285],{"title":1218,"path":1219,"stem":1220},"Патерн MVC: архітектура, що змінила веб","\u002Fcsharp\u002Faspnet\u002Fmvc\u002Fmvc-pattern","01.csharp\u002F11.aspnet\u002F11.mvc\u002F01.mvc-pattern",{"title":1222,"path":1223,"stem":1224},"Від Razor Pages до MVC: концептуальний перехід","\u002Fcsharp\u002Faspnet\u002Fmvc\u002Ffrom-razor-pages","01.csharp\u002F11.aspnet\u002F11.mvc\u002F02.from-razor-pages",{"title":1226,"path":1227,"stem":1228},"Controllers та Actions: серце MVC","\u002Fcsharp\u002Faspnet\u002Fmvc\u002Fcontrollers-actions","01.csharp\u002F11.aspnet\u002F11.mvc\u002F03.controllers-actions",{"title":1230,"path":1231,"stem":1232},"Маршрутизація в MVC: Convention vs Attribute Routing","\u002Fcsharp\u002Faspnet\u002Fmvc\u002Frouting-mvc","01.csharp\u002F11.aspnet\u002F11.mvc\u002F04.routing-mvc",{"title":1234,"path":1235,"stem":1236},"Model Binding: від HTTP до C#","\u002Fcsharp\u002Faspnet\u002Fmvc\u002Fmodel-binding","01.csharp\u002F11.aspnet\u002F11.mvc\u002F05.model-binding",{"title":1238,"path":1239,"stem":1240},"Views, ViewData, ViewBag, TempData і ViewModel","\u002Fcsharp\u002Faspnet\u002Fmvc\u002Fviews-viewdata-tempdata","01.csharp\u002F11.aspnet\u002F11.mvc\u002F06.views-viewdata-tempdata",{"title":1242,"path":1243,"stem":1244},"Filters: аспектно-орієнтоване програмування в MVC","\u002Fcsharp\u002Faspnet\u002Fmvc\u002Ffilters","01.csharp\u002F11.aspnet\u002F11.mvc\u002F07.filters",{"title":1246,"path":1247,"stem":1248},"Areas: структурування великих застосунків","\u002Fcsharp\u002Faspnet\u002Fmvc\u002Fareas","01.csharp\u002F11.aspnet\u002F11.mvc\u002F08.areas",{"title":1250,"path":1251,"stem":1252},"View Components: повторювані незалежні блоки UI","\u002Fcsharp\u002Faspnet\u002Fmvc\u002Fview-components","01.csharp\u002F11.aspnet\u002F11.mvc\u002F09.view-components",{"title":1254,"path":1255,"stem":1256},"Display та Editor Templates","\u002Fcsharp\u002Faspnet\u002Fmvc\u002Fdisplay-editor-templates","01.csharp\u002F11.aspnet\u002F11.mvc\u002F10.display-editor-templates",{"title":1258,"path":1259,"stem":1260},"Валідація: IValidatableObject та FluentValidation","\u002Fcsharp\u002Faspnet\u002Fmvc\u002Fvalidation-advanced","01.csharp\u002F11.aspnet\u002F11.mvc\u002F11.validation-advanced",{"title":1262,"path":1263,"stem":1264},"HTMX: інтерактивність через HTML-атрибути","\u002Fcsharp\u002Faspnet\u002Fmvc\u002Fhtmx","01.csharp\u002F11.aspnet\u002F11.mvc\u002F12.htmx",{"title":1266,"path":1267,"stem":1268},"HTMX у ASP.NET Core MVC: серверна інтеграція","\u002Fcsharp\u002Faspnet\u002Fmvc\u002Fajax-htmx-mvc","01.csharp\u002F11.aspnet\u002F11.mvc\u002F13.ajax-htmx-mvc",{"title":1270,"path":1271,"stem":1272},"Практичний проєкт: Каталог товарів з HTMX","\u002Fcsharp\u002Faspnet\u002Fmvc\u002Fhtmx-project","01.csharp\u002F11.aspnet\u002F11.mvc\u002F14.htmx-project",{"title":1274,"path":1275,"stem":1276},"Завантаження та обробка файлів","\u002Fcsharp\u002Faspnet\u002Fmvc\u002Ffile-upload","01.csharp\u002F11.aspnet\u002F11.mvc\u002F15.file-upload",{"title":1278,"path":1279,"stem":1280},"Глобалізація та Локалізація MVC","\u002Fcsharp\u002Faspnet\u002Fmvc\u002Fglobalization-localization","01.csharp\u002F11.aspnet\u002F11.mvc\u002F16.globalization-localization",{"title":1282,"path":1283,"stem":1284},"Підсумковий проєкт: Блог-платформа","\u002Fcsharp\u002Faspnet\u002Fmvc\u002Fmvc-project","01.csharp\u002F11.aspnet\u002F11.mvc\u002F17.mvc-project",{"title":1286,"path":1287,"stem":1288},"План курсу: ASP.NET Core MVC","\u002Fcsharp\u002Faspnet\u002Fmvc\u002Fplan","01.csharp\u002F11.aspnet\u002F11.mvc\u002Fplan",{"title":1290,"path":1291,"stem":1292,"children":1293,"page":59},"Web Api","\u002Fcsharp\u002Faspnet\u002Fweb-api","01.csharp\u002F11.aspnet\u002F12.web-api",[1294,1298,1302,1306,1310,1314,1318,1322,1326,1330,1334,1338,1342],{"title":1295,"path":1296,"stem":1297},"Від Minimal API до Controller-based API","\u002Fcsharp\u002Faspnet\u002Fweb-api\u002Ffrom-minimal-api-to-controllers","01.csharp\u002F11.aspnet\u002F12.web-api\u002F01.from-minimal-api-to-controllers",{"title":1299,"path":1300,"stem":1301},"ControllerBase, ActionResult\u003CT> та Response Types","\u002Fcsharp\u002Faspnet\u002Fweb-api\u002Fcontroller-base-actionresult","01.csharp\u002F11.aspnet\u002F12.web-api\u002F02.controller-base-actionresult",{"title":1303,"path":1304,"stem":1305},"Content Negotiation - JSON, XML та власні форматери","\u002Fcsharp\u002Faspnet\u002Fweb-api\u002Fcontent-negotiation","01.csharp\u002F11.aspnet\u002F12.web-api\u002F03.content-negotiation",{"title":1307,"path":1308,"stem":1309},"Версіонування API","\u002Fcsharp\u002Faspnet\u002Fweb-api\u002Fapi-versioning","01.csharp\u002F11.aspnet\u002F12.web-api\u002F04.api-versioning",{"title":1311,"path":1312,"stem":1313},"ProblemDetails та структурована обробка помилок","\u002Fcsharp\u002Faspnet\u002Fweb-api\u002Fproblemdetails-error-handling","01.csharp\u002F11.aspnet\u002F12.web-api\u002F05.problemdetails-error-handling",{"title":1315,"path":1316,"stem":1317},"Фільтри у Web API контексті","\u002Fcsharp\u002Faspnet\u002Fweb-api\u002Ffilters-for-api","01.csharp\u002F11.aspnet\u002F12.web-api\u002F06.filters-for-api",{"title":1319,"path":1320,"stem":1321},"Пагінація, фільтрація та сортування","\u002Fcsharp\u002Faspnet\u002Fweb-api\u002Fpagination-filtering-sorting","01.csharp\u002F11.aspnet\u002F12.web-api\u002F07.pagination-filtering-sorting",{"title":1323,"path":1324,"stem":1325},"HATEOAS та Resource Expansion","\u002Fcsharp\u002Faspnet\u002Fweb-api\u002Fhateoas-resource-expansion","01.csharp\u002F11.aspnet\u002F12.web-api\u002F08.hateoas-resource-expansion",{"title":1327,"path":1328,"stem":1329},"Гібридна архітектура - Minimal API + Controllers","\u002Fcsharp\u002Faspnet\u002Fweb-api\u002Fminimal-api-vs-controllers-hybrid","01.csharp\u002F11.aspnet\u002F12.web-api\u002F09.minimal-api-vs-controllers-hybrid",{"title":1331,"path":1332,"stem":1333},"Документація API - Swashbuckle, NSwag та генерація клієнтів","\u002Fcsharp\u002Faspnet\u002Fweb-api\u002Fapi-documentation-generation","01.csharp\u002F11.aspnet\u002F12.web-api\u002F10.api-documentation-generation",{"title":1335,"path":1336,"stem":1337},"Health Checks та моніторинг API","\u002Fcsharp\u002Faspnet\u002Fweb-api\u002Fhealth-checks-monitoring","01.csharp\u002F11.aspnet\u002F12.web-api\u002F11.health-checks-monitoring",{"title":1339,"path":1340,"stem":1341},"Підсумковий проєкт - Production-Ready REST API","\u002Fcsharp\u002Faspnet\u002Fweb-api\u002Fweb-api-project","01.csharp\u002F11.aspnet\u002F12.web-api\u002F12.web-api-project",{"title":1343,"path":1344,"stem":1345},"План курсу: ASP.NET Core Web API (Controllers)","\u002Fcsharp\u002Faspnet\u002Fweb-api\u002Fplan","01.csharp\u002F11.aspnet\u002F12.web-api\u002Fplan",{"title":1347,"icon":1348,"path":1349,"stem":1350,"children":1351,"page":59},"Моніторинг","i-lucide-activity","\u002Fcsharp\u002Faspnet\u002Fmonitoring","01.csharp\u002F11.aspnet\u002F13.monitoring",[1352,1356,1360],{"title":1353,"path":1354,"stem":1355},"Спостережуваність: від console.log до production-систем","\u002Fcsharp\u002Faspnet\u002Fmonitoring\u002Fobservability-intro","01.csharp\u002F11.aspnet\u002F13.monitoring\u002F01.observability-intro",{"title":1357,"path":1358,"stem":1359},"Health Checks: перший рівень observability","\u002Fcsharp\u002Faspnet\u002Fmonitoring\u002Fhealth-checks","01.csharp\u002F11.aspnet\u002F13.monitoring\u002F02.health-checks",{"title":1361,"path":1362,"stem":1363},"Вбудовані метрики .NET 10 та System.Diagnostics.Metrics","\u002Fcsharp\u002Faspnet\u002Fmonitoring\u002Fdotnet-metrics","01.csharp\u002F11.aspnet\u002F13.monitoring\u002F03.dotnet-metrics",{"title":1365,"icon":1366,"path":1367,"stem":1368,"children":1369,"page":59},"Desktop UI","i-lucide-app-window","\u002Fcsharp\u002Fdesktop-ui","01.csharp\u002F12.desktop-ui",[1370,1374,1378,1382,1386,1390,1394,1398,1402,1406,1410,1414,1418,1422,1426,1430,1434,1438,1442,1446,1450,1454,1458,1462,1466,1470,1474,1478,1482,1486,1490,1494,1498,1502,1506,1510,1514,1518,1522,1526,1530,1534,1538,1542,1546,1550,1554,1558,1562,1566,1570,1574,1578,1582,1586,1590,1594,1598,1602,1606,1610,1614,1618,1622,1626,1630,1634,1638,1642,1646,1650],{"title":1371,"path":1372,"stem":1373},"Що таке десктопна розробка?","\u002Fcsharp\u002Fdesktop-ui\u002Fwhat-is-desktop-dev","01.csharp\u002F12.desktop-ui\u002F01.what-is-desktop-dev",{"title":1375,"path":1376,"stem":1377},"Архітектура WPF — як влаштований графічний інтерфейс","\u002Fcsharp\u002Fdesktop-ui\u002Fwpf-architecture","01.csharp\u002F12.desktop-ui\u002F02.wpf-architecture",{"title":1379,"path":1380,"stem":1381},"Перший WPF-проєкт — від нуля до вікна","\u002Fcsharp\u002Fdesktop-ui\u002Ffirst-wpf-app","01.csharp\u002F12.desktop-ui\u002F03.first-wpf-app",{"title":1383,"path":1384,"stem":1385},"Перший Avalonia-проєкт: WPF для всіх платформ","\u002Fcsharp\u002Fdesktop-ui\u002F03a.first-avalonia-app","01.csharp\u002F12.desktop-ui\u002F03a.first-avalonia-app",{"title":1387,"path":1388,"stem":1389},"XAML: декларативний інтерфейс","\u002Fcsharp\u002Fdesktop-ui\u002Fxaml-basics","01.csharp\u002F12.desktop-ui\u002F04.xaml-basics",{"title":1391,"path":1392,"stem":1393},"Fluent UI у WPF — сучасний дизайн Windows 11","\u002Fcsharp\u002Fdesktop-ui\u002F04a.wpf-fluent-ui","01.csharp\u002F12.desktop-ui\u002F04a.wpf-fluent-ui",{"title":1395,"path":1396,"stem":1397},"WPF UI — сучасна бібліотека Fluent контролів","\u002Fcsharp\u002Fdesktop-ui\u002F04b.wpf-ui-library","01.csharp\u002F12.desktop-ui\u002F04b.wpf-ui-library",{"title":1399,"path":1400,"stem":1401},"HandyControl — велика бібліотека UI контролів для WPF","\u002Fcsharp\u002Fdesktop-ui\u002F04c.handycontrol-library","01.csharp\u002F12.desktop-ui\u002F04c.handycontrol-library",{"title":1403,"path":1404,"stem":1405},"Простори імен та ресурси XAML","\u002Fcsharp\u002Fdesktop-ui\u002Fxaml-namespaces-resources","01.csharp\u002F12.desktop-ui\u002F05.xaml-namespaces-resources",{"title":1407,"path":1408,"stem":1409},"XAML в Avalonia: ключові відмінності від WPF","\u002Fcsharp\u002Fdesktop-ui\u002F05a.avalonia-xaml-differences","01.csharp\u002F12.desktop-ui\u002F05a.avalonia-xaml-differences",{"title":1411,"path":1412,"stem":1413},"Розширення розмітки XAML (Markup Extensions)","\u002Fcsharp\u002Fdesktop-ui\u002Fxaml-markup-extensions","01.csharp\u002F12.desktop-ui\u002F06.xaml-markup-extensions",{"title":1415,"path":1416,"stem":1417},"Панелі Layout: StackPanel, WrapPanel, DockPanel","\u002Fcsharp\u002Fdesktop-ui\u002Flayout-panels-part1","01.csharp\u002F12.desktop-ui\u002F07.layout-panels-part1",{"title":1419,"path":1420,"stem":1421},"Grid, Canvas, UniformGrid","\u002Fcsharp\u002Fdesktop-ui\u002Flayout-panels-part2","01.csharp\u002F12.desktop-ui\u002F07.layout-panels-part2",{"title":1423,"path":1424,"stem":1425},"Просунуті техніки Layout","\u002Fcsharp\u002Fdesktop-ui\u002Flayout-advanced","01.csharp\u002F12.desktop-ui\u002F08.layout-advanced",{"title":1427,"path":1428,"stem":1429},"Адаптивний Layout та найкращі практики","\u002Fcsharp\u002Fdesktop-ui\u002Flayout-responsive","01.csharp\u002F12.desktop-ui\u002F09.layout-responsive",{"title":1431,"path":1432,"stem":1433},"Layout в Avalonia: відмінності та нові можливості","\u002Fcsharp\u002Fdesktop-ui\u002F09a.layout-avalonia","01.csharp\u002F12.desktop-ui\u002F09a.layout-avalonia",{"title":1435,"path":1436,"stem":1437},"Button, Image, ProgressBar та інші базові контроли","\u002Fcsharp\u002Fdesktop-ui\u002Fbasic-controls","01.csharp\u002F12.desktop-ui\u002F10.basic-controls",{"title":1439,"path":1440,"stem":1441},"Контроли в Avalonia: відмінності від WPF","\u002Fcsharp\u002Fdesktop-ui\u002F10a.controls-avalonia","01.csharp\u002F12.desktop-ui\u002F10a.controls-avalonia",{"title":1443,"path":1444,"stem":1445},"Текстові контроли — TextBlock, TextBox, RichTextBox","\u002Fcsharp\u002Fdesktop-ui\u002Ftext-controls","01.csharp\u002F12.desktop-ui\u002F11.text-controls",{"title":1447,"path":1448,"stem":1449},"Контроли вибору — CheckBox, RadioButton, ComboBox, ListBox, DatePicker","\u002Fcsharp\u002Fdesktop-ui\u002Fselection-controls","01.csharp\u002F12.desktop-ui\u002F12.selection-controls",{"title":1451,"path":1452,"stem":1453},"Content Model — GroupBox, Expander, TabControl, StatusBar","\u002Fcsharp\u002Fdesktop-ui\u002Fcontent-controls","01.csharp\u002F12.desktop-ui\u002F13.content-controls",{"title":1455,"path":1456,"stem":1457},"UI\u002FUX принципи десктопних застосунків","\u002Fcsharp\u002Fdesktop-ui\u002F13a.ui-ux-principles","01.csharp\u002F12.desktop-ui\u002F13a.ui-ux-principles",{"title":1459,"path":1460,"stem":1461},"Dependency Properties — Концепція та Value Resolution","\u002Fcsharp\u002Fdesktop-ui\u002Fdependency-properties-part1","01.csharp\u002F12.desktop-ui\u002F14.dependency-properties-part1",{"title":1463,"path":1464,"stem":1465},"Avalonia Property System — StyledProperty та DirectProperty","\u002Fcsharp\u002Fdesktop-ui\u002F14a.avalonia-property-system","01.csharp\u002F12.desktop-ui\u002F14a.avalonia-property-system",{"title":1467,"path":1468,"stem":1469},"Attached Properties — Властивості без меж","\u002Fcsharp\u002Fdesktop-ui\u002Fattached-properties","01.csharp\u002F12.desktop-ui\u002F15.attached-properties",{"title":1471,"path":1472,"stem":1473},"Routed Events — Маршрутизація подій у WPF","\u002Fcsharp\u002Fdesktop-ui\u002Frouted-events","01.csharp\u002F12.desktop-ui\u002F16.routed-events",{"title":1475,"path":1476,"stem":1477},"Data Binding — Від Code-Behind до Декларативності","\u002Fcsharp\u002Fdesktop-ui\u002Fdata-binding-basics-part1","01.csharp\u002F12.desktop-ui\u002F17.data-binding-basics-part1",{"title":1479,"path":1480,"stem":1481},"INotifyPropertyChanged — Живе оновлення UI","\u002Fcsharp\u002Fdesktop-ui\u002Fdata-binding-basics-part2","01.csharp\u002F12.desktop-ui\u002F17.data-binding-basics-part2",{"title":1483,"path":1484,"stem":1485},"Compiled Bindings в Avalonia — Безпека на етапі компіляції","\u002Fcsharp\u002Fdesktop-ui\u002F17a.avalonia-compiled-bindings","01.csharp\u002F12.desktop-ui\u002F17a.avalonia-compiled-bindings",{"title":1487,"path":1488,"stem":1489},"Просунутий Data Binding — ElementName, RelativeSource, MultiBinding","\u002Fcsharp\u002Fdesktop-ui\u002Fdata-binding-advanced","01.csharp\u002F12.desktop-ui\u002F18.data-binding-advanced",{"title":1491,"path":1492,"stem":1493},"Value Converters — Перетворення типів даних у Data Binding","\u002Fcsharp\u002Fdesktop-ui\u002Fvalue-converters","01.csharp\u002F12.desktop-ui\u002F19.value-converters",{"title":1495,"path":1496,"stem":1497},"Data Templates — Візуалізація об'єктів у WPF","\u002Fcsharp\u002Fdesktop-ui\u002Fdata-templates","01.csharp\u002F12.desktop-ui\u002F20.data-templates",{"title":1499,"path":1500,"stem":1501},"Collections Binding Part 1 — ObservableCollection та ItemsControl","\u002Fcsharp\u002Fdesktop-ui\u002Fcollections-binding-part1","01.csharp\u002F12.desktop-ui\u002F21.collections-binding-part1",{"title":1503,"path":1504,"stem":1505},"Collections Binding Part 2 — ICollectionView, Filtering, Sorting та Virtualization","\u002Fcsharp\u002Fdesktop-ui\u002Fcollections-binding-part2","01.csharp\u002F12.desktop-ui\u002F21.collections-binding-part2",{"title":1507,"path":1508,"stem":1509},"MVVM Pattern — Від Spaghetti Code до архітектури","\u002Fcsharp\u002Fdesktop-ui\u002Fmvvm-pattern","01.csharp\u002F12.desktop-ui\u002F22.mvvm-pattern",{"title":1511,"path":1512,"stem":1513},"ViewModel Implementation — Від BaseViewModel до валідації","\u002Fcsharp\u002Fdesktop-ui\u002Fviewmodel-implementation","01.csharp\u002F12.desktop-ui\u002F23.viewmodel-implementation",{"title":1515,"path":1516,"stem":1517},"Commands — Від event handlers до декларативних команд","\u002Fcsharp\u002Fdesktop-ui\u002Fcommands","01.csharp\u002F12.desktop-ui\u002F24.commands",{"title":1519,"path":1520,"stem":1521},"MVVM Toolkit — MVVM без boilerplate через Source Generators","\u002Fcsharp\u002Fdesktop-ui\u002Fmvvm-toolkit","01.csharp\u002F12.desktop-ui\u002F25.mvvm-toolkit",{"title":1523,"path":1524,"stem":1525},"Messenger Pattern — Комунікація між ViewModel без прямих посилань","\u002Fcsharp\u002Fdesktop-ui\u002Fmessenger-pattern","01.csharp\u002F12.desktop-ui\u002F26.messenger-pattern",{"title":1527,"path":1528,"stem":1529},"Стилі WPF — CSS для десктопу","\u002Fcsharp\u002Fdesktop-ui\u002Fstyles-basics","01.csharp\u002F12.desktop-ui\u002F27.styles-basics",{"title":1531,"path":1532,"stem":1533},"CSS-like стилі Avalonia","\u002Fcsharp\u002Fdesktop-ui\u002F27a.avalonia-css-styling","01.csharp\u002F12.desktop-ui\u002F27a.avalonia-css-styling",{"title":1535,"path":1536,"stem":1537},"Control Templates — Частина 1. Концепція та TemplateBinding","\u002Fcsharp\u002Fdesktop-ui\u002Fcontrol-templates-part1","01.csharp\u002F12.desktop-ui\u002F28.control-templates-part1",{"title":1539,"path":1540,"stem":1541},"Control Templates — Частина 2. Named Parts та ContentPresenter","\u002Fcsharp\u002Fdesktop-ui\u002Fcontrol-templates-part2","01.csharp\u002F12.desktop-ui\u002F28.control-templates-part2",{"title":1543,"path":1544,"stem":1545},"Control Themes в Avalonia — нова ера стилізації","\u002Fcsharp\u002Fdesktop-ui\u002F28a.avalonia-control-themes","01.csharp\u002F12.desktop-ui\u002F28a.avalonia-control-themes",{"title":1547,"path":1548,"stem":1549},"Triggers та Visual State Manager у WPF","\u002Fcsharp\u002Fdesktop-ui\u002Ftriggers-visual-states","01.csharp\u002F12.desktop-ui\u002F29.triggers-visual-states",{"title":1551,"path":1552,"stem":1553},"Pseudo-classes в Avalonia — замість WPF Triggers","\u002Fcsharp\u002Fdesktop-ui\u002F29a.avalonia-pseudo-classes","01.csharp\u002F12.desktop-ui\u002F29a.avalonia-pseudo-classes",{"title":1555,"path":1556,"stem":1557},"Теми та ресурсні словники у WPF","\u002Fcsharp\u002Fdesktop-ui\u002Fresources-themes","01.csharp\u002F12.desktop-ui\u002F30.resources-themes",{"title":1559,"path":1560,"stem":1561},"Avalonia Themes — Fluent Design та система тематизації","\u002Fcsharp\u002Fdesktop-ui\u002F30a.avalonia-themes-fluent","01.csharp\u002F12.desktop-ui\u002F30a.avalonia-themes-fluent",{"title":1563,"path":1564,"stem":1565},"Контроли колекцій — глибоке занурення","\u002Fcsharp\u002Fdesktop-ui\u002Fcollection-controls","01.csharp\u002F12.desktop-ui\u002F31.collection-controls",{"title":1567,"path":1568,"stem":1569},"DataGrid — колонки та базове відображення","\u002Fcsharp\u002Fdesktop-ui\u002Fdatagrid-part1","01.csharp\u002F12.desktop-ui\u002F32.datagrid-part1",{"title":1571,"path":1572,"stem":1573},"DataGrid — сортування, фільтрація, редагування","\u002Fcsharp\u002Fdesktop-ui\u002Fdatagrid-part2","01.csharp\u002F12.desktop-ui\u002F32.datagrid-part2",{"title":1575,"path":1576,"stem":1577},"TreeView та GridView","\u002Fcsharp\u002Fdesktop-ui\u002Ftreeview-listview","01.csharp\u002F12.desktop-ui\u002F33.treeview-listview",{"title":1579,"path":1580,"stem":1581},"Меню, Toolbar, ContextMenu, StatusBar","\u002Fcsharp\u002Fdesktop-ui\u002Fmenus-toolbars","01.csharp\u002F12.desktop-ui\u002F34.menus-toolbars",{"title":1583,"path":1584,"stem":1585},"Навігація та керування вікнами. Частина 1: вікна та сторінки","\u002Fcsharp\u002Fdesktop-ui\u002Fnavigation-windows-part1","01.csharp\u002F12.desktop-ui\u002F35.navigation-windows-part1",{"title":1587,"path":1588,"stem":1589},"Навігація та керування вікнами. Частина 2: MVVM-навігація","\u002Fcsharp\u002Fdesktop-ui\u002Fnavigation-windows-part2","01.csharp\u002F12.desktop-ui\u002F35.navigation-windows-part2",{"title":1591,"path":1592,"stem":1593},"Avalonia — Навігація та діалоги","\u002Fcsharp\u002Fdesktop-ui\u002F35a.avalonia-navigation-dialogs","01.csharp\u002F12.desktop-ui\u002F35a.avalonia-navigation-dialogs",{"title":1595,"path":1596,"stem":1597},"Діалоги та File Pickers у WPF","\u002Fcsharp\u002Fdesktop-ui\u002Fdialogs-file-pickers","01.csharp\u002F12.desktop-ui\u002F36.dialogs-file-pickers",{"title":1599,"path":1600,"stem":1601},"UserControl: компонентний підхід у WPF","\u002Fcsharp\u002Fdesktop-ui\u002Fuser-controls","01.csharp\u002F12.desktop-ui\u002F37.user-controls",{"title":1603,"path":1604,"stem":1605},"Custom Controls: Lookless Controls у WPF","\u002Fcsharp\u002Fdesktop-ui\u002Fcustom-controls","01.csharp\u002F12.desktop-ui\u002F38.custom-controls",{"title":1607,"path":1608,"stem":1609},"Avalonia TemplatedControl — Lookless Controls","\u002Fcsharp\u002Fdesktop-ui\u002F38a.avalonia-templated-controls","01.csharp\u002F12.desktop-ui\u002F38a.avalonia-templated-controls",{"title":1611,"path":1612,"stem":1613},"Анімації у WPF: Storyboard та Easing Functions","\u002Fcsharp\u002Fdesktop-ui\u002Fanimations-transitions","01.csharp\u002F12.desktop-ui\u002F39.animations-transitions",{"title":1615,"path":1616,"stem":1617},"Анімації в Avalonia","\u002Fcsharp\u002Fdesktop-ui\u002F39a.avalonia-animations","01.csharp\u002F12.desktop-ui\u002F39a.avalonia-animations",{"title":1619,"path":1620,"stem":1621},"2D Графіка та Мультимедіа у WPF","\u002Fcsharp\u002Fdesktop-ui\u002Fmedia-graphics","01.csharp\u002F12.desktop-ui\u002F40.media-graphics",{"title":1623,"path":1624,"stem":1625},"Dependency Injection у WPF та Avalonia","\u002Fcsharp\u002Fdesktop-ui\u002Fdi-integration","01.csharp\u002F12.desktop-ui\u002F41.di-integration",{"title":1627,"path":1628,"stem":1629},"SQLite та EF Core у десктопних додатках","\u002Fcsharp\u002Fdesktop-ui\u002Fdata-persistence-part1","01.csharp\u002F12.desktop-ui\u002F42.data-persistence-part1",{"title":1631,"path":1632,"stem":1633},"Repository Pattern та Unit of Work","\u002Fcsharp\u002Fdesktop-ui\u002Fdata-persistence-part2","01.csharp\u002F12.desktop-ui\u002F43.data-persistence-part2",{"title":1635,"path":1636,"stem":1637},"Тестування ViewModels","\u002Fcsharp\u002Fdesktop-ui\u002Fviewmodel-testing","01.csharp\u002F12.desktop-ui\u002F44.viewmodel-testing",{"title":1639,"path":1640,"stem":1641},"Avalonia Headless Testing — тестування UI без вікон","\u002Fcsharp\u002Fdesktop-ui\u002F44a.avalonia-headless-testing","01.csharp\u002F12.desktop-ui\u002F44a.avalonia-headless-testing",{"title":1643,"path":1644,"stem":1645},"Кросплатформна розробка з Avalonia","\u002Fcsharp\u002Fdesktop-ui\u002Favalonia-cross-platform","01.csharp\u002F12.desktop-ui\u002F45.avalonia-cross-platform",{"title":1647,"path":1648,"stem":1649},"Пакування та розгортання Avalonia додатків","\u002Fcsharp\u002Fdesktop-ui\u002Favalonia-packaging-deployment","01.csharp\u002F12.desktop-ui\u002F46.avalonia-packaging-deployment",{"title":1651,"path":1652,"stem":1653},"Розгортання WPF застосунків","\u002Fcsharp\u002Fdesktop-ui\u002Fwpf-packaging-deployment","01.csharp\u002F12.desktop-ui\u002F47.wpf-packaging-deployment",{"title":1655,"icon":658,"path":1656,"stem":1657,"children":1658,"page":59},"Network Programming","\u002Fcsharp\u002Fnetwork-programming","01.csharp\u002F13.network-programming",[1659,1663,1667,1671,1675,1679,1683,1687,1691,1695,1699],{"title":1660,"path":1661,"stem":1662},"Основи комп'ютерних мереж","\u002Fcsharp\u002Fnetwork-programming\u002Ffoundations","01.csharp\u002F13.network-programming\u002F01.foundations",{"title":1664,"path":1665,"stem":1666},"Модель OSI та стек TCP\u002FIP","\u002Fcsharp\u002Fnetwork-programming\u002Fosi-model","01.csharp\u002F13.network-programming\u002F02.osi-model",{"title":1668,"path":1669,"stem":1670},"IP-протокол та адресація","\u002Fcsharp\u002Fnetwork-programming\u002Fip-addressing","01.csharp\u002F13.network-programming\u002F03.ip-addressing",{"title":1672,"path":1673,"stem":1674},"UDP — протокол без з'єднання","\u002Fcsharp\u002Fnetwork-programming\u002Fudp","01.csharp\u002F13.network-programming\u002F05.udp",{"title":1676,"path":1677,"stem":1678},"UDP Broadcast та Multicast","\u002Fcsharp\u002Fnetwork-programming\u002Fudp-broadcast-multicast","01.csharp\u002F13.network-programming\u002F06.udp-broadcast-multicast",{"title":1680,"path":1681,"stem":1682},"HTTP — протокол вебу","\u002Fcsharp\u002Fnetwork-programming\u002Fhttp-fundamentals","01.csharp\u002F13.network-programming\u002F07.http-fundamentals",{"title":1684,"path":1685,"stem":1686},"HttpListener — вбудований HTTP-сервер .NET","\u002Fcsharp\u002Fnetwork-programming\u002F07a.http-listener","01.csharp\u002F13.network-programming\u002F07a.http-listener",{"title":1688,"path":1689,"stem":1690},"HTTP Advanced — cookies, аутентифікація та HTTPS","\u002Fcsharp\u002Fnetwork-programming\u002Fhttp-advanced","01.csharp\u002F13.network-programming\u002F08.http-advanced",{"title":1692,"path":1693,"stem":1694},"SMTP та протоколи електронної пошти","\u002Fcsharp\u002Fnetwork-programming\u002Fsmtp","01.csharp\u002F13.network-programming\u002F09.smtp",{"title":1696,"path":1697,"stem":1698},"WebSocket — повнодуплексний протокол реального часу","\u002Fcsharp\u002Fnetwork-programming\u002Fwebsockets","01.csharp\u002F13.network-programming\u002F10.websockets",{"title":1700,"path":1701,"stem":1702},"TLS\u002FSSL — криптографічний захист мережевих з'єднань","\u002Fcsharp\u002Fnetwork-programming\u002Ftls-ssl","01.csharp\u002F13.network-programming\u002F11.tls-ssl",{"title":1704,"path":1705,"stem":1706},"C# & .NET: The Ultimate Roadmap","\u002Fcsharp\u002Froadmap","01.csharp\u002Froadmap",{"title":1708,"icon":1709,"path":1710,"stem":1711,"children":1712,"page":59},"C++","i-devicon-cplusplus","\u002Fcpp","02.cpp",[1713,1717,1721,1725,1729,1733,1737,1741,1745,1748,1752,1756,1760,1764,1768,1772,1776,1780,1784,1788,1792,1796,1800,1804,1808,1812,1816,1820,1824,1828,1832,1836,1840,1844,1848,1852,1856,1860,1864,1868,1872,1876,1880,1884,1888,1892,1896,1900,1904,1908,1912,1916,1920,1924,1928,1932,1936,1940,1944,1948,1952,1956,1960,1964,1968,1972,1976,1980,1984,1988,1992,1996,2000,2004,2008,2012,2016,2020,2024,2028,2032,2036],{"title":1714,"path":1715,"stem":1716},"Вступ у програмування та алгоритми","\u002Fcpp\u002Fintro-algorithms","02.cpp\u002F01.intro-algorithms",{"title":1718,"path":1719,"stem":1720},"Code Style: угоди про оформлення коду","\u002Fcpp\u002Fcode-style","02.cpp\u002F02.code-style",{"title":1722,"path":1723,"stem":1724},"Середовище розробки та перший проєкт","\u002Fcpp\u002Fide-setup","02.cpp\u002F03.ide-setup",{"title":1726,"path":1727,"stem":1728},"Вивід даних на екран","\u002Fcpp\u002Fdata-output","02.cpp\u002F04.data-output",{"title":1730,"path":1731,"stem":1732},"Типи даних, змінні та константи","\u002Fcpp\u002Fdata-types-variables","02.cpp\u002F05.data-types-variables",{"title":1734,"path":1735,"stem":1736},"Ввід даних з клавіатури","\u002Fcpp\u002Fdata-input","02.cpp\u002F06.data-input",{"title":1738,"path":1739,"stem":1740},"Оператори, перетворення типів та логічні операції","\u002Fcpp\u002Foperators-type-conversion","02.cpp\u002F07.operators-type-conversion",{"title":1742,"path":1743,"stem":1744},"Цикли","\u002Fcpp\u002Floops","02.cpp\u002F08.loops",{"title":32,"path":1746,"stem":1747},"\u002Fcpp\u002Farrays","02.cpp\u002F09.arrays",{"title":1749,"path":1750,"stem":1751},"Алгоритми сортування та аналіз складності","\u002Fcpp\u002Fsorting","02.cpp\u002F10.sorting",{"title":1753,"path":1754,"stem":1755},"Алгоритми пошуку","\u002Fcpp\u002Fsearching","02.cpp\u002F11.searching",{"title":1757,"path":1758,"stem":1759},"Функції: основи","\u002Fcpp\u002Ffunctions-basics","02.cpp\u002F12.functions-basics",{"title":1761,"path":1762,"stem":1763},"Функції: прототипи, область видимості та додаткові можливості","\u002Fcpp\u002Ffunctions-scope","02.cpp\u002F13.functions-scope",{"title":1765,"path":1766,"stem":1767},"Функції: перевантаження та шаблони","\u002Fcpp\u002Ffunctions-overloading-templates","02.cpp\u002F14.functions-overloading-templates",{"title":1769,"path":1770,"stem":1771},"Вказівники: основи","\u002Fcpp\u002Fpointers-basics","02.cpp\u002F15.pointers-basics",{"title":1773,"path":1774,"stem":1775},"Посилання (References)","\u002Fcpp\u002Freferences","02.cpp\u002F16.references",{"title":1777,"path":1778,"stem":1779},"Вказівники, const і масиви","\u002Fcpp\u002Fpointers-const-arrays","02.cpp\u002F17.pointers-const-arrays",{"title":1781,"path":1782,"stem":1783},"Адресна арифметика","\u002Fcpp\u002Fpointer-arithmetic","02.cpp\u002F18.pointer-arithmetic",{"title":1785,"path":1786,"stem":1787},"Динамічна пам'ять","\u002Fcpp\u002Fdynamic-memory","02.cpp\u002F19.dynamic-memory",{"title":1789,"path":1790,"stem":1791},"Вказівники типу void","\u002Fcpp\u002Fvoid-pointers","02.cpp\u002F20.void-pointers",{"title":1793,"path":1794,"stem":1795},"Вказівники на вказівники","\u002Fcpp\u002Fpointers-to-pointers","02.cpp\u002F21.pointers-to-pointers",{"title":1797,"path":1798,"stem":1799},"Оператор доступу до членів через вказівник (->)","\u002Fcpp\u002Fmember-access-operator","02.cpp\u002F22.member-access-operator",{"title":1801,"path":1802,"stem":1803},"Цикл for-each (Range-based for)","\u002Fcpp\u002Fforeach-loop","02.cpp\u002F23.foreach-loop",{"title":1805,"path":1806,"stem":1807},"Вказівники на функції","\u002Fcpp\u002Ffunction-pointers","02.cpp\u002F24.function-pointers",{"title":1809,"path":1810,"stem":1811},"Лямбда-вирази","\u002Fcpp\u002Flambdas","02.cpp\u002F25.lambdas",{"title":1813,"path":1814,"stem":1815},"Лямбда-захоплення","\u002Fcpp\u002Flambda-captures","02.cpp\u002F26.lambda-captures",{"title":1817,"path":1818,"stem":1819},"Еліпсис","\u002Fcpp\u002Fellipsis","02.cpp\u002F27.ellipsis",{"title":1821,"path":1822,"stem":1823},"Безпечні альтернативи еліпсису","\u002Fcpp\u002F27a.ellipsis","02.cpp\u002F27a.ellipsis",{"title":1825,"path":1826,"stem":1827},"Аргументи командного рядка","\u002Fcpp\u002Fcommand-line-arguments","02.cpp\u002F28.command-line-arguments",{"title":1829,"path":1830,"stem":1831},"Перерахування (enum)","\u002Fcpp\u002Fenum","02.cpp\u002F29.enum",{"title":1833,"path":1834,"stem":1835},"Класи-перерахування (enum class)","\u002Fcpp\u002Fenum-class","02.cpp\u002F30.enum-class",{"title":1837,"path":1838,"stem":1839},"Псевдоніми типів (typedef і using)","\u002Fcpp\u002Ftype-aliases","02.cpp\u002F31.type-aliases",{"title":1841,"path":1842,"stem":1843},"Системи числення та двійкова арифметика","\u002Fcpp\u002Fnumber-systems","02.cpp\u002F32.number-systems",{"title":1845,"path":1846,"stem":1847},"Структури (struct): агрегування даних","\u002Fcpp\u002Fstruct","02.cpp\u002F33.struct",{"title":1849,"path":1850,"stem":1851},"Структури у функціях","\u002Fcpp\u002Fstruct-functions","02.cpp\u002F34.struct-functions",{"title":1853,"path":1854,"stem":1855},"Масиви структур і вкладені структури","\u002Fcpp\u002Fstruct-arrays","02.cpp\u002F35.struct-arrays",{"title":1857,"path":1858,"stem":1859},"Патерни struct та межі застосування","\u002Fcpp\u002Fstruct-patterns","02.cpp\u002F36.struct-patterns",{"title":1861,"path":1862,"stem":1863},"Символи та таблиця ASCII","\u002Fcpp\u002Fascii-characters","02.cpp\u002F37.ascii-characters",{"title":1865,"path":1866,"stem":1867},"Unicode та кодування UTF","\u002Fcpp\u002Funicode-utf","02.cpp\u002F38.unicode-utf",{"title":1869,"path":1870,"stem":1871},"C-style рядки","\u002Fcpp\u002Fc-strings","02.cpp\u002F39.c-strings",{"title":1873,"path":1874,"stem":1875},"Вступ до std::string","\u002Fcpp\u002Fstd-string-intro","02.cpp\u002F40.std-string-intro",{"title":1877,"path":1878,"stem":1879},"Довжина, ємність та доступ до символів std::string","\u002Fcpp\u002Fstd-string-capacity-access","02.cpp\u002F41.std-string-capacity-access",{"title":1881,"path":1882,"stem":1883},"Модифікація std::string: присвоювання, додавання, вставка, видалення та заміна","\u002Fcpp\u002Fstd-string-modification","02.cpp\u002F42.std-string-modification",{"title":1885,"path":1886,"stem":1887},"Пошук у std::string: find, npos та практичні патерни","\u002Fcpp\u002Fstd-string-search","02.cpp\u002F43.std-string-search",{"title":1889,"path":1890,"stem":1891},"std::string_view: невласницький погляд на рядок без копіювання","\u002Fcpp\u002Fstd-string-view","02.cpp\u002F44.std-string-view",{"title":1893,"path":1894,"stem":1895},"Об'єднання (union): один блок пам'яті, кілька інтерпретацій","\u002Fcpp\u002Funion","02.cpp\u002F45.union",{"title":1897,"path":1898,"stem":1899},"Організація коду: файли, препроцесор, простори імен","\u002Fcpp\u002Fmultifile-programs","02.cpp\u002F46.multifile-programs",{"title":1901,"path":1902,"stem":1903},"Робота з файлами: C-стиль (stdio.h)","\u002Fcpp\u002Fc-style-files","02.cpp\u002F47.c-style-files",{"title":1905,"path":1906,"stem":1907},"Робота з файлами: C++-стиль (fstream)","\u002Fcpp\u002Fcpp-style-files","02.cpp\u002F48.cpp-style-files",{"title":1909,"path":1910,"stem":1911},"Введення в ООП: від процедур до об'єктів","\u002Fcpp\u002Foop-intro","02.cpp\u002F49.oop-intro",{"title":1913,"path":1914,"stem":1915},"Класи, об'єкти та методи","\u002Fcpp\u002Fclasses-objects-methods","02.cpp\u002F50.classes-objects-methods",{"title":1917,"path":1918,"stem":1919},"Специфікатори доступу та інкапсуляція","\u002Fcpp\u002Faccess-specifiers-encapsulation","02.cpp\u002F51.access-specifiers-encapsulation",{"title":1921,"path":1922,"stem":1923},"Конструктори: гарантована ініціалізація об'єктів","\u002Fcpp\u002Fconstructors","02.cpp\u002F52.constructors",{"title":1925,"path":1926,"stem":1927},"Списки ініціалізації та делегуючі конструктори","\u002Fcpp\u002Finit-lists-delegating","02.cpp\u002F53.init-lists-delegating",{"title":1929,"path":1930,"stem":1931},"Деструктори та ідіома RAII","\u002Fcpp\u002Fdestructors-raii","02.cpp\u002F54.destructors-raii",{"title":1933,"path":1934,"stem":1935},"Прихований покажчик this","\u002Fcpp\u002Fthis-pointer","02.cpp\u002F55.this-pointer",{"title":1937,"path":1938,"stem":1939},"Розподіл класу на заголовковий файл та файл реалізації","\u002Fcpp\u002Fclass-header-source","02.cpp\u002F56.class-header-source",{"title":1941,"path":1942,"stem":1943},"Класи та const","\u002Fcpp\u002Fconst-classes","02.cpp\u002F57.const-classes",{"title":1945,"path":1946,"stem":1947},"Статичні члени класу","\u002Fcpp\u002Fstatic-members","02.cpp\u002F58.static-members",{"title":1949,"path":1950,"stem":1951},"Конструктор копіювання та запобігання копіюванню","\u002Fcpp\u002Fcopy-constructor","02.cpp\u002F59.copy-constructor",{"title":1953,"path":1954,"stem":1955},"Дружні функції та класи","\u002Fcpp\u002Ffriend-functions-classes","02.cpp\u002F60.friend-functions-classes",{"title":1957,"path":1958,"stem":1959},"Анонімні об'єкти та вкладені типи","\u002Fcpp\u002Fanonymous-objects-nested-types","02.cpp\u002F61.anonymous-objects-nested-types",{"title":1961,"path":1962,"stem":1963},"Вимірювання часу виконання: RAII-таймер","\u002Fcpp\u002Ftiming-raii-timer","02.cpp\u002F62.timing-raii-timer",{"title":1965,"path":1966,"stem":1967},"Перевантаження операторів: основи та арифметика","\u002Fcpp\u002Foperator-overloading-basics","02.cpp\u002F63.operator-overloading-basics",{"title":1969,"path":1970,"stem":1971},"Перевантаження операторів: методи класу та спеціальні оператори","\u002Fcpp\u002Foperator-overloading-methods","02.cpp\u002F64.operator-overloading-methods",{"title":1973,"path":1974,"stem":1975},"Приведення типів, explicit та delete","\u002Fcpp\u002Ftypecast-explicit-delete","02.cpp\u002F65.typecast-explicit-delete",{"title":1977,"path":1978,"stem":1979},"Глибоке копіювання та оператор присвоювання","\u002Fcpp\u002Fdeep-copy-assignment","02.cpp\u002F66.deep-copy-assignment",{"title":1981,"path":1982,"stem":1983},"Зв'язки між об'єктами: композиція та агрегація","\u002Fcpp\u002Fcomposition-aggregation","02.cpp\u002F67.composition-aggregation",{"title":1985,"path":1986,"stem":1987},"Асоціація та залежність між об","\u002Fcpp\u002Fassociation-dependency","02.cpp\u002F68.association-dependency",{"title":1989,"path":1990,"stem":1991},"Контейнерні класи та `std::initializer_list`","\u002Fcpp\u002Fcontainer-classes-initializer-list","02.cpp\u002F69.container-classes-initializer-list",{"title":1993,"path":1994,"stem":1995},"Конструктори, деструктори та порядок ініціалізації в ієрархіях","\u002Fcpp\u002Finheritance-constructors-destructors","02.cpp\u002F71.inheritance-constructors-destructors",{"title":1997,"path":1998,"stem":1999},"Специфікатор `protected` та види наслідування","\u002Fcpp\u002Finheritance-access-specifiers","02.cpp\u002F72.inheritance-access-specifiers",{"title":2001,"path":2002,"stem":2003},"Перевизначення методів та приховування імен","\u002Fcpp\u002Fmethod-overriding-hiding","02.cpp\u002F73.method-overriding-hiding",{"title":2005,"path":2006,"stem":2007},"Множинне наслідування та проблема ромба","\u002Fcpp\u002Fmultiple-inheritance-diamond","02.cpp\u002F74.multiple-inheritance-diamond",{"title":2009,"path":2010,"stem":2011},"Вказівники на базовий клас та віртуальні функції","\u002Fcpp\u002Fvirtual-functions-polymorphism","02.cpp\u002F75.virtual-functions-polymorphism",{"title":2013,"path":2014,"stem":2015},"Специфікатори override, final та віртуальні деструктори","\u002Fcpp\u002Foverride-final-virtual-destructors","02.cpp\u002F76.override-final-virtual-destructors",{"title":2017,"path":2018,"stem":2019},"Внутрішні механізми поліморфізму: vtable, vptr та зв'язування","\u002Fcpp\u002Fvirtual-table-binding","02.cpp\u002F77.virtual-table-binding",{"title":2021,"path":2022,"stem":2023},"Абстрактні класи та чисті віртуальні функції","\u002Fcpp\u002Fabstract-classes-interfaces","02.cpp\u002F78.abstract-classes-interfaces",{"title":2025,"path":2026,"stem":2027},"Зрізка об'єктів, віртуальне наслідування та поліморфний вивід","\u002Fcpp\u002Fslicing-virtual-base-io","02.cpp\u002F79.slicing-virtual-base-io",{"title":2029,"path":2030,"stem":2031},"Динамічне приведення типів (`dynamic_cast`) та RTTI","\u002Fcpp\u002Fdynamic-cast-rtti","02.cpp\u002F80.dynamic-cast-rtti",{"title":2033,"path":2034,"stem":2035},"Шаблони функцій: узагальнене програмування","\u002Fcpp\u002Ffunction-templates","02.cpp\u002F81.function-templates",{"title":2037,"path":2038,"stem":2039},"Шаблони класів та NTTP-параметри","\u002Fcpp\u002Fclass-templates-nttp","02.cpp\u002F82.class-templates-nttp",{"title":2041,"icon":2042,"path":2043,"stem":2044,"children":2045,"page":59},"JavaScript","i-devicon-javascript","\u002Fjavascript","03.javascript",[2046,2072,2126,2148,2452,2490,2508],{"title":2047,"icon":2048,"path":2049,"stem":2050,"children":2051,"page":59},"Events","i-lucide-mouse-pointer-click","\u002Fjavascript\u002Fevents","03.javascript\u002F01.events",[2052,2056,2060,2064,2068],{"title":2053,"path":2054,"stem":2055},"Вступ до подій браузера","\u002Fjavascript\u002Fevents\u002Fintro","03.javascript\u002F01.events\u002F01.intro",{"title":2057,"path":2058,"stem":2059},"Бульбашковий механізм (Bubbling) та занурення (Capturing)","\u002Fjavascript\u002Fevents\u002Fbubbling-capturing","03.javascript\u002F01.events\u002F02.bubbling-capturing",{"title":2061,"path":2062,"stem":2063},"Делегування подій (Event Delegation)","\u002Fjavascript\u002Fevents\u002Fdelegate-events","03.javascript\u002F01.events\u002F03.delegate-events",{"title":2065,"path":2066,"stem":2067},"Типові дії браузера та preventDefault()","\u002Fjavascript\u002Fevents\u002Fprevent-default","03.javascript\u002F01.events\u002F04.prevent-default",{"title":2069,"path":2070,"stem":2071},"Запуск користувацьких подій (Custom Events)","\u002Fjavascript\u002Fevents\u002Fcustom-events","03.javascript\u002F01.events\u002F05.custom-events",{"title":2073,"icon":2074,"path":2075,"stem":2076,"children":2077,"page":59},"Network","i-lucide-globe","\u002Fjavascript\u002Fnetwork","03.javascript\u002F02.network",[2078,2082,2086,2090,2094,2098,2102,2106,2110,2114,2118,2122],{"title":2079,"path":2080,"stem":2081},"Fetch API - Сучасний підхід до HTTP-запитів","\u002Fjavascript\u002Fnetwork\u002F01-fetch-api","03.javascript\u002F02.network\u002F01-fetch-api",{"title":2083,"path":2084,"stem":2085},"FormData - Робота з формами та файлами","\u002Fjavascript\u002Fnetwork\u002F02-formdata","03.javascript\u002F02.network\u002F02-formdata",{"title":2087,"path":2088,"stem":2089},"Відстеження прогресу завантаження","\u002Fjavascript\u002Fnetwork\u002F03-download-progress","03.javascript\u002F02.network\u002F03-download-progress",{"title":2091,"path":2092,"stem":2093},"Переривання fetch-запитів","\u002Fjavascript\u002Fnetwork\u002F04-abort-requests","03.javascript\u002F02.network\u002F04-abort-requests",{"title":2095,"path":2096,"stem":2097},"CORS - Запити між різними джерелами","\u002Fjavascript\u002Fnetwork\u002F05-cors","03.javascript\u002F02.network\u002F05-cors",{"title":2099,"path":2100,"stem":2101},"Fetch API - Повний довідник опцій","\u002Fjavascript\u002Fnetwork\u002F06-fetch-options","03.javascript\u002F02.network\u002F06-fetch-options",{"title":2103,"path":2104,"stem":2105},"URL Objects - Робота з посиланнями","\u002Fjavascript\u002Fnetwork\u002F07-url-objects","03.javascript\u002F02.network\u002F07-url-objects",{"title":2107,"path":2108,"stem":2109},"XMLHttpRequest - AJAX та низькорівневі запити","\u002Fjavascript\u002Fnetwork\u002F08-xmlhttprequest","03.javascript\u002F02.network\u002F08-xmlhttprequest",{"title":2111,"path":2112,"stem":2113},"Відновлюване завантаження файлів","\u002Fjavascript\u002Fnetwork\u002F09-resumable-upload","03.javascript\u002F02.network\u002F09-resumable-upload",{"title":2115,"path":2116,"stem":2117},"Cookies, document.cookie та світ після \"Cookiepocalypse\"","\u002Fjavascript\u002Fnetwork\u002F10-cookies","03.javascript\u002F02.network\u002F10-cookies",{"title":2119,"path":2120,"stem":2121},"js-cookie: Керування Cookies без Болю","\u002Fjavascript\u002Fnetwork\u002F11-js-cookie","03.javascript\u002F02.network\u002F11-js-cookie",{"title":2123,"path":2124,"stem":2125},"Axios: Потужний HTTP-клієнт для JavaScript","\u002Fjavascript\u002Fnetwork\u002F12-axios","03.javascript\u002F02.network\u002F12-axios",{"title":2127,"icon":2128,"path":2129,"stem":2130,"children":2131,"page":59},"Bom","i-lucide-monitor","\u002Fjavascript\u002Fbom","03.javascript\u002F03.bom",[2132,2136,2140,2144],{"title":2133,"path":2134,"stem":2135},"LocalStorage, SessionStorage та patterns збереження даних","\u002Fjavascript\u002Fbom\u002F01-localstorage","03.javascript\u002F03.bom\u002F01-localstorage",{"title":2137,"path":2138,"stem":2139},"Location Object - Керування адресою сторінки","\u002Fjavascript\u002Fbom\u002F02-location-object","03.javascript\u002F03.bom\u002F02-location-object",{"title":2141,"path":2142,"stem":2143},"History API - Керування історією браузера","\u002Fjavascript\u002Fbom\u002F03-history-api","03.javascript\u002F03.bom\u002F03-history-api",{"title":2145,"path":2146,"stem":2147},"Navigator Object - Ідентифікація та Можливості Пристрою","\u002Fjavascript\u002Fbom\u002F04-navigator-object","03.javascript\u002F03.bom\u002F04-navigator-object",{"title":2149,"icon":2150,"path":2151,"stem":2152,"children":2153},"React","i-devicon-react","\u002Fjavascript\u002Freact","03.javascript\u002F04.react\u002Findex",[2154,2155,2159,2163,2167,2171,2234,2269,2421],{"title":2149,"path":2151,"stem":2152},{"title":2156,"path":2157,"stem":2158},"Робота з Формами в React","\u002Fjavascript\u002Freact\u002Freact-forms","03.javascript\u002F04.react\u002F01.react-forms",{"title":2160,"path":2161,"stem":2162},"React Hook Form: Професійна Робота з Формами","\u002Fjavascript\u002Freact\u002Freact-hook-form","03.javascript\u002F04.react\u002F02.react-hook-form",{"title":2164,"path":2165,"stem":2166},"React Hook Form: Глибоке Розуміння Архітектури та Оптимізації","\u002Fjavascript\u002Freact\u002Freact-hook-form-new","03.javascript\u002F04.react\u002F02.react-hook-form-new",{"title":2168,"path":2169,"stem":2170},"Axios та React: Професійна Архітектура Запитів","\u002Fjavascript\u002Freact\u002Fdata-fetching-axios","03.javascript\u002F04.react\u002F03.data-fetching-axios",{"title":2172,"icon":132,"path":2173,"stem":2174,"children":2175},"Tanstack Query","\u002Fjavascript\u002Freact\u002Ftanstack-query","03.javascript\u002F04.react\u002F04.tanstack-query\u002Findex",[2176,2178,2182,2186,2190,2194,2198,2202,2206,2210,2214,2218,2222,2226,2230],{"title":2177,"path":2173,"stem":2174},"TanStack Query: Майстерність Керування Станом Сервера",{"title":2179,"path":2180,"stem":2181},"Парадигма Server State: Чому useEffect недостатньо","\u002Fjavascript\u002Freact\u002Ftanstack-query\u002Fserver-state-paradigm","03.javascript\u002F04.react\u002F04.tanstack-query\u002F01.server-state-paradigm",{"title":2183,"path":2184,"stem":2185},"Встановлення та Налаштування: Фундамент","\u002Fjavascript\u002Freact\u002Ftanstack-query\u002Finstallation-and-devtools","03.javascript\u002F04.react\u002F04.tanstack-query\u002F02.installation-and-devtools",{"title":2187,"path":2188,"stem":2189},"Основи Запитів та Магія Ключів","\u002Fjavascript\u002Freact\u002Ftanstack-query\u002Fquery-basics-and-keys","03.javascript\u002F04.react\u002F04.tanstack-query\u002F03.query-basics-and-keys",{"title":2191,"path":2192,"stem":2193},"Синхронізація Даних: Життєвий Цикл Запиту","\u002Fjavascript\u002Freact\u002Ftanstack-query\u002Fdata-synchronization","03.javascript\u002F04.react\u002F04.tanstack-query\u002F04.data-synchronization",{"title":2195,"path":2196,"stem":2197},"Мутації та Інвалідація: Зміна Даних","\u002Fjavascript\u002Freact\u002Ftanstack-query\u002Fmutations-and-invalidation","03.javascript\u002F04.react\u002F04.tanstack-query\u002F05.mutations-and-invalidation",{"title":2199,"path":2200,"stem":2201},"Оптимістичні Оновлення: Швидше за Світло","\u002Fjavascript\u002Freact\u002Ftanstack-query\u002Foptimistic-updates","03.javascript\u002F04.react\u002F04.tanstack-query\u002F06.optimistic-updates",{"title":2203,"path":2204,"stem":2205},"Пагінація та Infinite Scroll","\u002Fjavascript\u002Freact\u002Ftanstack-query\u002Fpagination-and-load-more","03.javascript\u002F04.react\u002F04.tanstack-query\u002F07.pagination-and-load-more",{"title":2207,"path":2208,"stem":2209},"Просунуті Патерни та Оптимізація","\u002Fjavascript\u002Freact\u002Ftanstack-query\u002Fadvanced-patterns","03.javascript\u002F04.react\u002F04.tanstack-query\u002F08.advanced-patterns",{"title":2211,"path":2212,"stem":2213},"Архітектура та Best Practices","\u002Fjavascript\u002Freact\u002Ftanstack-query\u002Farchitecture-and-best-practices","03.javascript\u002F04.react\u002F04.tanstack-query\u002F09.architecture-and-best-practices",{"title":2215,"path":2216,"stem":2217},"Server-Side Rendering (SSR) та Гідратація","\u002Fjavascript\u002Freact\u002Ftanstack-query\u002Fserver-side-rendering","03.javascript\u002F04.react\u002F04.tanstack-query\u002F10.server-side-rendering",{"title":2219,"path":2220,"stem":2221},"Стратегії Тестування","\u002Fjavascript\u002Freact\u002Ftanstack-query\u002Ftesting-strategies","03.javascript\u002F04.react\u002F04.tanstack-query\u002F11.testing-strategies",{"title":2223,"path":2224,"stem":2225},"Аутентифікація та Обробка Помилок","\u002Fjavascript\u002Freact\u002Ftanstack-query\u002Fauthentication-and-errors","03.javascript\u002F04.react\u002F04.tanstack-query\u002F12.authentication-and-errors",{"title":2227,"path":2228,"stem":2229},"React Suspense та Майбутнє","\u002Fjavascript\u002Freact\u002Ftanstack-query\u002Freact-suspense","03.javascript\u002F04.react\u002F04.tanstack-query\u002F13.react-suspense",{"title":2231,"path":2232,"stem":2233},"Глибоке Занурення в Продуктивність","\u002Fjavascript\u002Freact\u002Ftanstack-query\u002Fperformance-deep-dive","03.javascript\u002F04.react\u002F04.tanstack-query\u002F14.performance-deep-dive",{"title":2235,"icon":2150,"path":2236,"stem":2237,"children":2238},"React Router","\u002Fjavascript\u002Freact\u002Freact-router","03.javascript\u002F04.react\u002F05.react-router\u002Findex",[2239,2241,2245,2249,2253,2257,2261,2265],{"title":2240,"path":2236,"stem":2237},"React Router: Навігаційна система сучасного вебу",{"title":2242,"path":2243,"stem":2244},"Налаштування та Базовий Роутинг","\u002Fjavascript\u002Freact\u002Freact-router\u002Fsetup-and-basic-routing","03.javascript\u002F04.react\u002F05.react-router\u002F01.setup-and-basic-routing",{"title":2246,"path":2247,"stem":2248},"Динамічна Навігація","\u002Fjavascript\u002Freact\u002Freact-router\u002Fnavigation-and-links","03.javascript\u002F04.react\u002F05.react-router\u002F02.navigation-and-links",{"title":2250,"path":2251,"stem":2252},"Вкладені Маршрути та Макети","\u002Fjavascript\u002Freact\u002Freact-router\u002Fnested-routes-and-layouts","03.javascript\u002F04.react\u002F05.react-router\u002F03.nested-routes-and-layouts",{"title":2254,"path":2255,"stem":2256},"Динамічні Маршрути та Параметри","\u002Fjavascript\u002Freact\u002Freact-router\u002Fdynamic-routing","03.javascript\u002F04.react\u002F05.react-router\u002F04.dynamic-routing",{"title":2258,"path":2259,"stem":2260},"Data APIs: Loaders та Actions","\u002Fjavascript\u002Freact\u002Freact-router\u002Fdata-loading","03.javascript\u002F04.react\u002F05.react-router\u002F05.data-loading",{"title":2262,"path":2263,"stem":2264},"Просунуті Патерни","\u002Fjavascript\u002Freact\u002Freact-router\u002Fadvanced-patterns","03.javascript\u002F04.react\u002F05.react-router\u002F06.advanced-patterns",{"title":2266,"path":2267,"stem":2268},"Legacy Routing: Компонентний підхід","\u002Fjavascript\u002Freact\u002Freact-router\u002Flegacy-routing","03.javascript\u002F04.react\u002F05.react-router\u002F07.legacy-routing",{"title":2270,"icon":132,"path":2271,"stem":2272,"children":2273},"Redux","\u002Fjavascript\u002Freact\u002Fredux","03.javascript\u002F04.react\u002F06.redux\u002Findex",[2274,2276,2292,2321,2330,2351,2367,2396],{"title":2275,"path":2271,"stem":2272},"Redux: Еволюція управління станом",{"title":14,"icon":15,"path":2277,"stem":2278,"children":2279,"page":59},"\u002Fjavascript\u002Freact\u002Fredux\u002Ffundamentals","03.javascript\u002F04.react\u002F06.redux\u002F01.fundamentals",[2280,2284,2288],{"title":2281,"path":2282,"stem":2283},"Вступ до State Management","\u002Fjavascript\u002Freact\u002Fredux\u002Ffundamentals\u002Fintro-state-management","03.javascript\u002F04.react\u002F06.redux\u002F01.fundamentals\u002F01.intro-state-management",{"title":2285,"path":2286,"stem":2287},"Філософія Redux та Три Принципи","\u002Fjavascript\u002Freact\u002Fredux\u002Ffundamentals\u002Fredux-philosophy","03.javascript\u002F04.react\u002F06.redux\u002F01.fundamentals\u002F02.redux-philosophy",{"title":2289,"path":2290,"stem":2291},"Чисті функції та Іммутабельність","\u002Fjavascript\u002Freact\u002Fredux\u002Ffundamentals\u002Fpure-functions-immutability","03.javascript\u002F04.react\u002F06.redux\u002F01.fundamentals\u002F03.pure-functions-immutability",{"title":2293,"icon":132,"path":2294,"stem":2295,"children":2296,"page":59},"Classic Redux","\u002Fjavascript\u002Freact\u002Fredux\u002Fclassic-redux","03.javascript\u002F04.react\u002F06.redux\u002F02.classic-redux",[2297,2301,2305,2309,2313,2317],{"title":2298,"path":2299,"stem":2300},"Створення Store (Classic Redux)","\u002Fjavascript\u002Freact\u002Fredux\u002Fclassic-redux\u002Fstore-setup","03.javascript\u002F04.react\u002F06.redux\u002F02.classic-redux\u002F01.store-setup",{"title":2302,"path":2303,"stem":2304},"Actions, Constants та Action Creators","\u002Fjavascript\u002Freact\u002Fredux\u002Fclassic-redux\u002Factions-constants","03.javascript\u002F04.react\u002F06.redux\u002F02.classic-redux\u002F02.actions-constants",{"title":2306,"path":2307,"stem":2308},"Логіка Reducers","\u002Fjavascript\u002Freact\u002Fredux\u002Fclassic-redux\u002Freducers","03.javascript\u002F04.react\u002F06.redux\u002F02.classic-redux\u002F03.reducers",{"title":2310,"path":2311,"stem":2312},"Комбінування Reducers (Root Reducer)","\u002Fjavascript\u002Freact\u002Fredux\u002Fclassic-redux\u002Fdata-flow","03.javascript\u002F04.react\u002F06.redux\u002F02.classic-redux\u002F04.data-flow",{"title":2314,"path":2315,"stem":2316},"Підключення до React (React-Redux)","\u002Fjavascript\u002Freact\u002Fredux\u002Fclassic-redux\u002Freact-redux-connection","03.javascript\u002F04.react\u002F06.redux\u002F02.classic-redux\u002F05.react-redux-connection",{"title":2318,"path":2319,"stem":2320},"Middleware та Асинхронність (Redux Thunk)","\u002Fjavascript\u002Freact\u002Fredux\u002Fclassic-redux\u002Fmiddleware-thunk","03.javascript\u002F04.react\u002F06.redux\u002F02.classic-redux\u002F06.middleware-thunk",{"title":2322,"icon":132,"path":2323,"stem":2324,"children":2325,"page":59},"Transition To Rtk","\u002Fjavascript\u002Freact\u002Fredux\u002Ftransition-to-rtk","03.javascript\u002F04.react\u002F06.redux\u002F03.transition-to-rtk",[2326],{"title":2327,"path":2328,"stem":2329},"Проблеми класичного Redux","\u002Fjavascript\u002Freact\u002Fredux\u002Ftransition-to-rtk\u002Fproblems-with-classic","03.javascript\u002F04.react\u002F06.redux\u002F03.transition-to-rtk\u002F01.problems-with-classic",{"title":2331,"icon":132,"path":2332,"stem":2333,"children":2334,"page":59},"Redux Toolkit","\u002Fjavascript\u002Freact\u002Fredux\u002Fredux-toolkit","03.javascript\u002F04.react\u002F06.redux\u002F04.redux-toolkit",[2335,2339,2343,2347],{"title":2336,"path":2337,"stem":2338},"Налаштування Store з configureStore","\u002Fjavascript\u002Freact\u002Fredux\u002Fredux-toolkit\u002Fconfigure-store","03.javascript\u002F04.react\u002F06.redux\u002F04.redux-toolkit\u002F01.configure-store",{"title":2340,"path":2341,"stem":2342},"createSlice: Революція в Redux","\u002Fjavascript\u002Freact\u002Fredux\u002Fredux-toolkit\u002Fcreate-slice","03.javascript\u002F04.react\u002F06.redux\u002F04.redux-toolkit\u002F02.create-slice",{"title":2344,"path":2345,"stem":2346},"Асинхронність з createAsyncThunk","\u002Fjavascript\u002Freact\u002Fredux\u002Fredux-toolkit\u002Fasync-thunks","03.javascript\u002F04.react\u002F06.redux\u002F04.redux-toolkit\u002F03.async-thunks",{"title":2348,"path":2349,"stem":2350},"04. Entity Adapter: Керування нормалізованим станом","\u002Fjavascript\u002Freact\u002Fredux\u002Fredux-toolkit\u002Fentity-adapter","03.javascript\u002F04.react\u002F06.redux\u002F04.redux-toolkit\u002F04.entity-adapter",{"title":2352,"icon":92,"path":2353,"stem":2354,"children":2355,"page":59},"Advanced","\u002Fjavascript\u002Freact\u002Fredux\u002Fadvanced","03.javascript\u002F04.react\u002F06.redux\u002F05.advanced",[2356,2360,2364],{"title":2357,"path":2358,"stem":2359},"Мемоізація та Селектори: Повний Гайд по Reselect","\u002Fjavascript\u002Freact\u002Fredux\u002Fadvanced\u002Fselectors-reselect","03.javascript\u002F04.react\u002F06.redux\u002F05.advanced\u002F01.selectors-reselect",{"title":2361,"path":2362,"stem":2363},"RTK Query: Архітектура Серверного Кешу","\u002Fjavascript\u002Freact\u002Fredux\u002Fadvanced\u002Frtk-query-intro","03.javascript\u002F04.react\u002F06.redux\u002F05.advanced\u002F02.rtk-query-intro",{"title":2211,"path":2365,"stem":2366},"\u002Fjavascript\u002Freact\u002Fredux\u002Fadvanced\u002Farchitecture-best-practices","03.javascript\u002F04.react\u002F06.redux\u002F05.advanced\u002F03.architecture-best-practices",{"title":2368,"icon":132,"path":2369,"stem":2370,"children":2371,"page":59},"Project Kanban","\u002Fjavascript\u002Freact\u002Fredux\u002Fproject-kanban","03.javascript\u002F04.react\u002F06.redux\u002F06.project-kanban",[2372,2376,2380,2384,2388,2392],{"title":2373,"path":2374,"stem":2375},"Проєкт: Kanban Board (Trello Clone)","\u002Fjavascript\u002Freact\u002Fredux\u002Fproject-kanban\u002Fproject-overview","03.javascript\u002F04.react\u002F06.redux\u002F06.project-kanban\u002F01.project-overview",{"title":2377,"path":2378,"stem":2379},"Налаштування та Типізація","\u002Fjavascript\u002Freact\u002Fredux\u002Fproject-kanban\u002Fsetup-and-types","03.javascript\u002F04.react\u002F06.redux\u002F06.project-kanban\u002F02.setup-and-types",{"title":2381,"path":2382,"stem":2383},"Board Slice: Серце Дошки","\u002Fjavascript\u002Freact\u002Fredux\u002Fproject-kanban\u002Fboard-slice","03.javascript\u002F04.react\u002F06.redux\u002F06.project-kanban\u002F03.board-slice",{"title":2385,"path":2386,"stem":2387},"Логіка Drag & Drop","\u002Fjavascript\u002Freact\u002Fredux\u002Fproject-kanban\u002Fdrag-and-drop-logic","03.javascript\u002F04.react\u002F06.redux\u002F06.project-kanban\u002F04.drag-and-drop-logic",{"title":2389,"path":2390,"stem":2391},"Інтеграція з RTK Query","\u002Fjavascript\u002Freact\u002Fredux\u002Fproject-kanban\u002Frtk-query-integration","03.javascript\u002F04.react\u002F06.redux\u002F06.project-kanban\u002F05.rtk-query-integration",{"title":2393,"path":2394,"stem":2395},"Optimistic Updates","\u002Fjavascript\u002Freact\u002Fredux\u002Fproject-kanban\u002Foptimistic-updates","03.javascript\u002F04.react\u002F06.redux\u002F06.project-kanban\u002F06.optimistic-updates",{"title":2397,"icon":132,"path":2398,"stem":2399,"children":2400,"page":59},"Testing","\u002Fjavascript\u002Freact\u002Fredux\u002Ftesting","03.javascript\u002F04.react\u002F06.redux\u002F07.testing",[2401,2405,2409,2413,2417],{"title":2402,"path":2403,"stem":2404},"Тестування Redux","\u002Fjavascript\u002Freact\u002Fredux\u002Ftesting\u002Fintro-testing","03.javascript\u002F04.react\u002F06.redux\u002F07.testing\u002F01.intro-testing",{"title":2406,"path":2407,"stem":2408},"Тестування Reducers","\u002Fjavascript\u002Freact\u002Fredux\u002Ftesting\u002Ftesting-reducers","03.javascript\u002F04.react\u002F06.redux\u002F07.testing\u002F02.testing-reducers",{"title":2410,"path":2411,"stem":2412},"Тестування Селекторів","\u002Fjavascript\u002Freact\u002Fredux\u002Ftesting\u002Ftesting-selectors","03.javascript\u002F04.react\u002F06.redux\u002F07.testing\u002F03.testing-selectors",{"title":2414,"path":2415,"stem":2416},"Тестування Компонентів (Integration)","\u002Fjavascript\u002Freact\u002Fredux\u002Ftesting\u002Ftesting-components","03.javascript\u002F04.react\u002F06.redux\u002F07.testing\u002F04.testing-components",{"title":2418,"path":2419,"stem":2420},"Тестування Async Thunks","\u002Fjavascript\u002Freact\u002Fredux\u002Ftesting\u002Ftesting-thunks","03.javascript\u002F04.react\u002F06.redux\u002F07.testing\u002F05.testing-thunks",{"title":2422,"icon":132,"path":2423,"stem":2424,"children":2425},"Ui Libraries","\u002Fjavascript\u002Freact\u002Fui-libraries","03.javascript\u002F04.react\u002F07.ui-libraries\u002Findex",[2426,2428,2432,2436,2440,2444,2448],{"title":2427,"path":2423,"stem":2424},"UI Бібліотеки в React",{"title":2429,"path":2430,"stem":2431},"Вступ до UI Бібліотек: Навіщо Винаходити Велосипед Двічі?","\u002Fjavascript\u002Freact\u002Fui-libraries\u002Fintroduction-to-ui-libraries","03.javascript\u002F04.react\u002F07.ui-libraries\u002F01.introduction-to-ui-libraries",{"title":2433,"path":2434,"stem":2435},"Філософія shadcn\u002Fui: \"Not a Component Library\"","\u002Fjavascript\u002Freact\u002Fui-libraries\u002Fshadcn-philosophy","03.javascript\u002F04.react\u002F07.ui-libraries\u002F02.shadcn-philosophy",{"title":2437,"path":2438,"stem":2439},"Установка та Налаштування shadcn\u002Fui","\u002Fjavascript\u002Freact\u002Fui-libraries\u002Fshadcn-installation","03.javascript\u002F04.react\u002F07.ui-libraries\u002F03.shadcn-installation",{"title":2441,"path":2442,"stem":2443},"Базові Компоненти shadcn\u002Fui: Фундамент Інтерфейсу","\u002Fjavascript\u002Freact\u002Fui-libraries\u002Fshadcn-components-basics","03.javascript\u002F04.react\u002F07.ui-libraries\u002F04.shadcn-components-basics",{"title":2445,"path":2446,"stem":2447},"Компоненти Форм: Побудова Інтерактивних Form","\u002Fjavascript\u002Freact\u002Fui-libraries\u002Fshadcn-components-forms","03.javascript\u002F04.react\u002F07.ui-libraries\u002F05.shadcn-components-forms",{"title":2449,"path":2450,"stem":2451},"Складні Компоненти: Dialog, Dropdown, Table та Command","\u002Fjavascript\u002Freact\u002Fui-libraries\u002Fshadcn-components-advanced","03.javascript\u002F04.react\u002F07.ui-libraries\u002F06.shadcn-components-advanced",{"title":2453,"icon":2454,"path":2455,"stem":2456,"children":2457,"page":59},"TypeScript","i-devicon-typescript","\u002Fjavascript\u002Ftypescript","03.javascript\u002F05.typescript",[2458,2462,2466,2470,2474,2478,2482,2486],{"title":2459,"path":2460,"stem":2461},"TypeScript: Броня для вашого коду","\u002Fjavascript\u002Ftypescript\u002Fintro-and-basic-types","03.javascript\u002F05.typescript\u002F01.intro-and-basic-types",{"title":2463,"path":2464,"stem":2465},"Майстерність Моделювання Даних: Інтерфейси та Просунуті Типи","\u002Fjavascript\u002Ftypescript\u002Finterfaces-and-advanced-types","03.javascript\u002F05.typescript\u002F02.interfaces-and-advanced-types",{"title":2467,"path":2468,"stem":2469},"Алхімія Типів: Generics та Utility Types","\u002Fjavascript\u002Ftypescript\u002Fgenerics-and-utilities","03.javascript\u002F05.typescript\u002F03.generics-and-utilities",{"title":2471,"path":2472,"stem":2473},"Архітектура та Шаблони: Класи в TypeScript","\u002Fjavascript\u002Ftypescript\u002Fclasses-and-oop","03.javascript\u002F05.typescript\u002F04.classes-and-oop",{"title":2475,"path":2476,"stem":2477},"Продакшн та Екосистема: Advanced Config & Workflow","\u002Fjavascript\u002Ftypescript\u002Fadvanced-patterns-and-config","03.javascript\u002F05.typescript\u002F05.advanced-patterns-and-config",{"title":2479,"path":2480,"stem":2481},"TypeScript у світі React","\u002Fjavascript\u002Ftypescript\u002Freact-basics","03.javascript\u002F05.typescript\u002F06.react-basics",{"title":2483,"path":2484,"stem":2485},"React + TypeScript: Продвинуті патерни","\u002Fjavascript\u002Ftypescript\u002Freact-advanced","03.javascript\u002F05.typescript\u002F07.react-advanced",{"title":2487,"path":2488,"stem":2489},"React + TypeScript: Екосистема та бібліотеки","\u002Fjavascript\u002Ftypescript\u002Freact-ecosystem","03.javascript\u002F05.typescript\u002F08.react-ecosystem",{"title":2491,"icon":2492,"path":2493,"stem":2494,"children":2495,"page":59},"Асинхронність","i-lucide-refresh-cw","\u002Fjavascript\u002Fasync-programming","03.javascript\u002F06.async-programming",[2496,2500,2504],{"title":2497,"path":2498,"stem":2499},"Event Loop: серце асинхронності в JavaScript","\u002Fjavascript\u002Fasync-programming\u002Fevent-loop-fundamentals","03.javascript\u002F06.async-programming\u002F01.event-loop-fundamentals",{"title":2501,"path":2502,"stem":2503},"Task Queue та Microtask Queue: пріоритети виконання","\u002Fjavascript\u002Fasync-programming\u002Ftask-queues","03.javascript\u002F06.async-programming\u002F02.task-queues",{"title":2505,"path":2506,"stem":2507},"Асинхронні патерни: від Callbacks до Async\u002FAwait","\u002Fjavascript\u002Fasync-programming\u002Fasync-patterns","03.javascript\u002F06.async-programming\u002F03.async-patterns",{"title":2509,"path":2510,"stem":2511},"Atomic Design","\u002Fjavascript\u002Fatomic-design","03.javascript\u002F2.atomic-design",{"title":2513,"icon":2514,"path":2515,"stem":2516,"children":2517,"page":59},"Java","i-devicon-java","\u002Fjava","04.java",[2518,2521,2524,2528,2532,2536,2540],{"title":162,"path":2519,"stem":2520},"\u002Fjava\u002Fdata-mapper-part1","04.java\u002F01.data-mapper-part1",{"title":166,"path":2522,"stem":2523},"\u002Fjava\u002Fdata-mapper-part2","04.java\u002F02.data-mapper-part2",{"title":2525,"path":2526,"stem":2527},"Service Layer: Організація бізнес-логіки","\u002Fjava\u002Fservice-layer","04.java\u002F03.service-layer",{"title":2529,"path":2530,"stem":2531},"Rich Domain Model та State Pattern","\u002Fjava\u002Frich-domain-model","04.java\u002F04.rich-domain-model",{"title":2533,"path":2534,"stem":2535},"Патерни для складної бізнес-логіки","\u002Fjava\u002Fbusiness-logic-patterns","04.java\u002F05.business-logic-patterns",{"title":2537,"path":2538,"stem":2539},"Обробка помилок та валідація","\u002Fjava\u002Ferror-handling-validation","04.java\u002F06.error-handling-validation",{"title":2541,"path":2542,"stem":2543,"children":2544,"page":59},"Проектування баз даних","\u002Fjava\u002Fpr2","04.java\u002Fpr2",[2545,2549,2553,2557,2561,2565,2569,2573,2577,2581,2585,2589,2593,2597,2601,2605,2609,2613,2617,2621,2625,2629,2633,2637,2641,2645,2649,2653,2657,2661,2665,2669,2673,2677,2681,2685,2689],{"title":2546,"path":2547,"stem":2548},"Концептуальне моделювання: Мистецтво розуміння предметної області","\u002Fjava\u002Fpr2\u002Fconceptual-modeling","04.java\u002Fpr2\u002F01.conceptual-modeling",{"title":2550,"path":2551,"stem":2552},"Логічне моделювання: Від бізнес-ідей до структур даних","\u002Fjava\u002Fpr2\u002Flogical-modeling","04.java\u002Fpr2\u002F02.logical-modeling",{"title":2554,"path":2555,"stem":2556},"Нормалізація: Гігієна даних та боротьба з аномаліями","\u002Fjava\u002Fpr2\u002Fnormalization","04.java\u002Fpr2\u002F03.normalization",{"title":2558,"path":2559,"stem":2560},"Фізична схема: Від абстракції до DDL","\u002Fjava\u002Fpr2\u002Fphysical-schema","04.java\u002Fpr2\u002F04.physical-schema",{"title":2562,"path":2563,"stem":2564},"Архітектурна класифікація таблиць","\u002Fjava\u002Fpr2\u002Ftable-classification","04.java\u002Fpr2\u002F05.table-classification",{"title":2566,"path":2567,"stem":2568},"Database Migrations: Версіонування схеми з Flyway","\u002Fjava\u002Fpr2\u002Fdatabase-migrations","04.java\u002Fpr2\u002F06.database-migrations",{"title":2570,"path":2571,"stem":2572},"А що, якби це була не реляційна БД?","\u002Fjava\u002Fpr2\u002Fbeyond-relational","04.java\u002Fpr2\u002F07.beyond-relational",{"title":2574,"path":2575,"stem":2576},"Object-Relational Impedance Mismatch: Два світи, що не хочуть дружити","\u002Fjava\u002Fpr2\u002Fimpedance-mismatch","04.java\u002Fpr2\u002F09.impedance-mismatch",{"title":2578,"path":2579,"stem":2580},"JDBC: Перший контакт із базою даних","\u002Fjava\u002Fpr2\u002Fjdbc-fundamentals","04.java\u002Fpr2\u002F10.jdbc-fundamentals",{"title":2582,"path":2583,"stem":2584},"Якість коду: Spotless, SpotBugs та SonarQube","\u002Fjava\u002Fpr2\u002F10a.code-quality","04.java\u002Fpr2\u002F10a.code-quality",{"title":2586,"path":2587,"stem":2588},"Connection Pool: Патерн Object Pool для JDBC-з'єднань","\u002Fjava\u002Fpr2\u002Fconnection-pool","04.java\u002Fpr2\u002F11.connection-pool",{"title":2590,"path":2591,"stem":2592},"Row Data Gateway: Об'єкт як обгортка рядка таблиці","\u002Fjava\u002Fpr2\u002Frow-data-gateway","04.java\u002Fpr2\u002F12.row-data-gateway",{"title":2594,"path":2595,"stem":2596},"Table Data Gateway: Фасад таблиці як архітектурний відступ","\u002Fjava\u002Fpr2\u002Ftable-data-gateway","04.java\u002Fpr2\u002F13.table-data-gateway",{"title":2598,"path":2599,"stem":2600},"Repository + Data Mapper: Правильна шарова архітектура з JDBC","\u002Fjava\u002Fpr2\u002Frepository-data-mapper","04.java\u002Fpr2\u002F14.repository-data-mapper",{"title":2602,"path":2603,"stem":2604},"Identity Map: Кешування сутностей у рамках сесії","\u002Fjava\u002Fpr2\u002Fidentity-map","04.java\u002Fpr2\u002F15.identity-map",{"title":2606,"path":2607,"stem":2608},"Unit of Work: Відстеження змін і координація JDBC-транзакцій","\u002Fjava\u002Fpr2\u002Funit-of-work","04.java\u002Fpr2\u002F16.unit-of-work",{"title":2610,"path":2611,"stem":2612},"Strategy: Замінювані SQL-стратегії для підтримки різних СУБД","\u002Fjava\u002Fpr2\u002Fstrategy-sql","04.java\u002Fpr2\u002F17.strategy-sql",{"title":2614,"path":2615,"stem":2616},"Proxy: Lazy Loading для One-To-Many колекцій","\u002Fjava\u002Fpr2\u002Fproxy-lazy-loading","04.java\u002Fpr2\u002F18.proxy-lazy-loading",{"title":2618,"path":2619,"stem":2620},"Generic Repository через Java Reflection: анотації та динамічний SQL","\u002Fjava\u002Fpr2\u002Fgeneric-repository-reflection","04.java\u002Fpr2\u002F19.generic-repository-reflection",{"title":2622,"path":2623,"stem":2624},"Specification Pattern: Композиція бізнес-правил для складних запитів","\u002Fjava\u002Fpr2\u002Fspecification-pattern","04.java\u002Fpr2\u002F20.specification-pattern",{"title":2626,"path":2627,"stem":2628},"Розширені можливості Specification Pattern: підзапити, агрегації та гібридний підхід","\u002Fjava\u002Fpr2\u002F20a.advanced-specifications","04.java\u002Fpr2\u002F20a.advanced-specifications",{"title":2630,"path":2631,"stem":2632},"Асинхронність у JDBC: Від блокуючих викликів до CompletableFuture","\u002Fjava\u002Fpr2\u002Fasynchronous-jdbc","04.java\u002Fpr2\u002F21.asynchronous-jdbc",{"title":2634,"path":2635,"stem":2636},"Інтеграційне тестування JDBC-репозиторіїв: Embedded H2 та патерн AAA","\u002Fjava\u002Fpr2\u002Fintegration-testing-h2","04.java\u002Fpr2\u002F22.integration-testing-h2",{"title":2638,"path":2639,"stem":2640},"Testcontainers: Тестування з реальною PostgreSQL у Docker-контейнерах","\u002Fjava\u002Fpr2\u002Fintegration-testing-testcontainers","04.java\u002Fpr2\u002F23.integration-testing-testcontainers",{"title":2642,"path":2643,"stem":2644},"Google Guice: Впровадження залежностей у JavaFX-проєкті","\u002Fjava\u002Fpr2\u002Fdependency-injection-guice","04.java\u002Fpr2\u002F24.dependency-injection-guice",{"title":2646,"path":2647,"stem":2648},"JavaFX: Основи побудови графічних інтерфейсів","\u002Fjava\u002Fpr2\u002Fjavafx-fundamentals","04.java\u002Fpr2\u002F25.javafx-fundamentals",{"title":2650,"path":2651,"stem":2652},"Properties та Bindings: Реактивність у JavaFX","\u002Fjava\u002Fpr2\u002Fjavafx-properties-bindings","04.java\u002Fpr2\u002F26.javafx-properties-bindings",{"title":2654,"path":2655,"stem":2656},"MVC vs MVP vs MVVM: Еволюція архітектурних патернів UI","\u002Fjava\u002Fpr2\u002Fui-architecture-patterns","04.java\u002Fpr2\u002F27.ui-architecture-patterns",{"title":2658,"path":2659,"stem":2660},"MVVM на практиці: Побудова ViewModel","\u002Fjava\u002Fpr2\u002Fmvvm-viewmodel-implementation","04.java\u002Fpr2\u002F28.mvvm-viewmodel-implementation",{"title":2662,"path":2663,"stem":2664},"View та Controller: Зв'язування з ViewModel через FXML","\u002Fjava\u002Fpr2\u002Fmvvm-view-controller","04.java\u002Fpr2\u002F29.mvvm-view-controller",{"title":2666,"path":2667,"stem":2668},"Інтеграція MVVM з Guice: Автоматична ін'єкція залежностей","\u002Fjava\u002Fpr2\u002Fmvvm-guice-integration","04.java\u002Fpr2\u002F30.mvvm-guice-integration",{"title":2670,"path":2671,"stem":2672},"Валідація та обробка помилок у MVVM","\u002Fjava\u002Fpr2\u002Fmvvm-validation-error-handling","04.java\u002Fpr2\u002F31.mvvm-validation-error-handling",{"title":2674,"path":2675,"stem":2676},"Навігація та управління екранами у JavaFX MVVM","\u002Fjava\u002Fpr2\u002Fmvvm-navigation-screen-management","04.java\u002Fpr2\u002F32.mvvm-navigation-screen-management",{"title":2678,"path":2679,"stem":2680},"Тестування JavaFX MVVM-додатків","\u002Fjava\u002Fpr2\u002Fmvvm-testing","04.java\u002Fpr2\u002F33.mvvm-testing",{"title":2682,"path":2683,"stem":2684},"Стилізація та теми у JavaFX: CSS та User Experience","\u002Fjava\u002Fpr2\u002Fjavafx-styling-themes","04.java\u002Fpr2\u002F34.javafx-styling-themes",{"title":2686,"path":2687,"stem":2688},"AtlantaFX: Сучасні теми для JavaFX додатків","\u002Fjava\u002Fpr2\u002Fatlantafx-modern-themes","04.java\u002Fpr2\u002F35.atlantafx-modern-themes",{"title":2690,"path":2691,"stem":2692},"Пакування та розповсюдження JavaFX-додатків","\u002Fjava\u002Fpr2\u002Fjar-packaging-distribution","04.java\u002Fpr2\u002F36.jar-packaging-distribution",{"title":2694,"icon":2695,"path":2696,"stem":2697,"children":2698,"page":59},"Python","i-devicon-python","\u002Fpython","05.python",[2699,2703,2706,2710,2714,2718,2722,2726,2730,2734,2738,2742,2746,2750,2754,2815],{"title":2700,"path":2701,"stem":2702},"Модулі, Пакети та Віртуальні Середовища","\u002Fpython\u002Fmodules-packages-venv","05.python\u002F00.modules-packages-venv",{"title":71,"path":2704,"stem":2705},"\u002Fpython\u002Fclasses-objects","05.python\u002F01.classes-objects",{"title":2707,"path":2708,"stem":2709},"Інкапсуляція, Керування Доступом та Властивості","\u002Fpython\u002Fencapsulation","05.python\u002F02.encapsulation",{"title":2711,"path":2712,"stem":2713},"Наслідування, MRO та суперсила super()","\u002Fpython\u002Finheritance-mro","05.python\u002F03.inheritance-mro",{"title":2715,"path":2716,"stem":2717},"Абстракція — ABC проти Статичних Протоколів (PEP 544)","\u002Fpython\u002Fabstraction-protocols","05.python\u002F04.abstraction-protocols",{"title":2719,"path":2720,"stem":2721},"Магічні методи (Dunder) та Емуляція протоколів","\u002Fpython\u002Fdunder-methods","05.python\u002F05.dunder-methods",{"title":2723,"path":2724,"stem":2725},"Декоратори та Керування життєвим циклом методів","\u002Fpython\u002Fdecorators-static-class","05.python\u002F06.decorators-static-class",{"title":2727,"path":2728,"stem":2729},"Дескриптори — Магія доступу до атрибутів","\u002Fpython\u002Fdescriptors","05.python\u002F07.descriptors",{"title":2731,"path":2732,"stem":2733},"Метакласи — Динамічне створення класів під капотом CPython","\u002Fpython\u002Fmetaclasses","05.python\u002F08.metaclasses",{"title":2735,"path":2736,"stem":2737},"Dataclasses, NamedTuple та сучасні контейнери Python","\u002Fpython\u002Fmodern-containers","05.python\u002F09.modern-containers",{"title":2739,"path":2740,"stem":2741},"GIL та модель конкурентності CPython — фундамент перед потоками і процесами","\u002Fpython\u002Fgil-concurrency-intro","05.python\u002F11.gil-concurrency-intro",{"title":2743,"path":2744,"stem":2745},"Threading — конкурентність для I\u002FO-bound задач","\u002Fpython\u002Fthreading","05.python\u002F12.threading",{"title":2747,"path":2748,"stem":2749},"Multiprocessing — справжній паралелізм для CPU-bound задач","\u002Fpython\u002Fmultiprocessing","05.python\u002F13.multiprocessing",{"title":2751,"path":2752,"stem":2753},"asyncio — кооперативна конкурентність та event loop","\u002Fpython\u002Fasyncio","05.python\u002F14.asyncio",{"title":2755,"icon":92,"path":2756,"stem":2757,"children":2758,"page":59},"FastAPI","\u002Fpython\u002Ffastapi","05.python\u002Ffastapi",[2759,2763,2767,2771,2775,2779,2783,2787,2791,2795,2799,2803,2807,2811],{"title":2760,"path":2761,"stem":2762},"Глибокий Typing та Pydantic v2 — від анотацій до валідації","\u002Fpython\u002Ffastapi\u002Ftyping-pydantic","05.python\u002Ffastapi\u002F15.typing-pydantic",{"title":2764,"path":2765,"stem":2766},"WSGI, ASGI та Python Web-екосистема","\u002Fpython\u002Ffastapi\u002Fwsgi-asgi-ecosystem","05.python\u002Ffastapi\u002F16.wsgi-asgi-ecosystem",{"title":2768,"path":2769,"stem":2770},"FastAPI: Перший додаток, Uvicorn та OpenAPI","\u002Fpython\u002Ffastapi\u002Ffastapi-intro","05.python\u002Ffastapi\u002F17.fastapi-intro",{"title":2772,"path":2773,"stem":2774},"Маршрутизація, параметри запитів та APIRouter","\u002Fpython\u002Ffastapi\u002Ffastapi-routing-params","05.python\u002Ffastapi\u002F18.fastapi-routing-params",{"title":2776,"path":2777,"stem":2778},"Pydantic v2 у FastAPI — схеми, валідація та серіалізація","\u002Fpython\u002Ffastapi\u002Ffastapi-pydantic-schemas","05.python\u002Ffastapi\u002F19.fastapi-pydantic-schemas",{"title":2780,"path":2781,"stem":2782},"Dependency Injection — серце архітектури FastAPI","\u002Fpython\u002Ffastapi\u002Ffastapi-dependency-injection","05.python\u002Ffastapi\u002F20.fastapi-dependency-injection",{"title":2784,"path":2785,"stem":2786},"Обробка помилок, Middleware та CORS у FastAPI","\u002Fpython\u002Ffastapi\u002Ffastapi-errors-middleware","05.python\u002Ffastapi\u002F21.fastapi-errors-middleware",{"title":2788,"path":2789,"stem":2790},"SQLAlchemy 2.0 — ORM, Core та Async Engine","\u002Fpython\u002Ffastapi\u002Fsqlalchemy-orm","05.python\u002Ffastapi\u002F22.sqlalchemy-orm",{"title":2792,"path":2793,"stem":2794},"Alembic — міграції бази даних","\u002Fpython\u002Ffastapi\u002Falembic-migrations","05.python\u002Ffastapi\u002F23.alembic-migrations",{"title":2796,"path":2797,"stem":2798},"Repository Pattern та Clean Architecture у FastAPI","\u002Fpython\u002Ffastapi\u002Ffastapi-repository-clean-arch","05.python\u002Ffastapi\u002F24.fastapi-repository-clean-arch",{"title":2800,"path":2801,"stem":2802},"Автентифікація та авторизація — JWT, OAuth2, RBAC","\u002Fpython\u002Ffastapi\u002Ffastapi-auth-security","05.python\u002Ffastapi\u002F25.fastapi-auth-security",{"title":2804,"path":2805,"stem":2806},"Тестування FastAPI — pytest, httpx, fixtures","\u002Fpython\u002Ffastapi\u002Ffastapi-testing","05.python\u002Ffastapi\u002F26.fastapi-testing",{"title":2808,"path":2809,"stem":2810},"Async на повну — Background Tasks, WebSockets, SSE та Celery","\u002Fpython\u002Ffastapi\u002Ffastapi-async-advanced","05.python\u002Ffastapi\u002F27.fastapi-async-advanced",{"title":2812,"path":2813,"stem":2814},"Deployment — Docker, CI\u002FCD, Monitoring","\u002Fpython\u002Ffastapi\u002Ffastapi-deployment","05.python\u002Ffastapi\u002F28.fastapi-deployment",{"title":2816,"path":2817,"stem":2818},"[object Object]","\u002Fpython\u002Foop-plan","05.python\u002Foop-plan",{"title":2820,"icon":2821,"path":2822,"stem":2823,"children":2824,"page":59},"Бази даних","i-lucide-database","\u002Fdatabases","06.databases",[2825,2855,2878,2915,2944,2962,2996,3008,3017],{"title":2826,"icon":2827,"path":2828,"stem":2829,"children":2830,"page":59},"Intro","i-lucide-play","\u002Fdatabases\u002Fintro","06.databases\u002F01.intro",[2831,2835,2839,2843,2847,2851],{"title":2832,"path":2833,"stem":2834},"Введення в теорію баз даних","\u002Fdatabases\u002Fintro\u002Fintroduction-to-databases","06.databases\u002F01.intro\u002F01.introduction-to-databases",{"title":2836,"path":2837,"stem":2838},"Реляційна модель даних","\u002Fdatabases\u002Fintro\u002Frelational-model-theory","06.databases\u002F01.intro\u002F02.relational-model-theory",{"title":2840,"path":2841,"stem":2842},"ER-моделювання","\u002Fdatabases\u002Fintro\u002Fer-modeling","06.databases\u002F01.intro\u002F03.er-modeling",{"title":2844,"path":2845,"stem":2846},"Логічне проектування БД","\u002Fdatabases\u002Fintro\u002Flogical-schema","06.databases\u002F01.intro\u002F04.logical-schema",{"title":2848,"path":2849,"stem":2850},"Класифікація таблиць","\u002Fdatabases\u002Fintro\u002Ftable-classification","06.databases\u002F01.intro\u002F05.table-classification",{"title":2852,"path":2853,"stem":2854},"PlantUML для баз даних","\u002Fdatabases\u002Fintro\u002Fplantuml-diagrams","06.databases\u002F01.intro\u002F06.plantuml-diagrams",{"title":2856,"icon":2821,"path":2857,"stem":2858,"children":2859,"page":59},"MS SQL Server Start","\u002Fdatabases\u002Fms-sql-server-start","06.databases\u002F02.ms-sql-server-start",[2860,2864,2870,2874],{"title":2861,"path":2862,"stem":2863},"Типи даних у MS SQL Server","\u002Fdatabases\u002Fms-sql-server-start\u002Fdata-types","06.databases\u002F02.ms-sql-server-start\u002F01.data-types",{"title":2865,"path":2866,"stem":2867,"children":2868},"Індекси у MS SQL Server","\u002Fdatabases\u002Fms-sql-server-start\u002Fsql-indexes","06.databases\u002F02.ms-sql-server-start\u002F02.sql-indexes",[2869],{"title":2865,"path":2866,"stem":2867},{"title":2871,"path":2872,"stem":2873},"Системні бази даних MS SQL Server","\u002Fdatabases\u002Fms-sql-server-start\u002Fsystem-databases","06.databases\u002F02.ms-sql-server-start\u002F03.system-databases",{"title":2875,"path":2876,"stem":2877},"Огляд мови SQL та запитів","\u002Fdatabases\u002Fms-sql-server-start\u002Fsql-queries-overview","06.databases\u002F02.ms-sql-server-start\u002F04.sql-queries-overview",{"title":2879,"icon":2821,"path":2880,"stem":2881,"children":2882,"page":59},"SQL","\u002Fdatabases\u002Fsql","06.databases\u002F03.sql",[2883,2887,2891,2895,2899,2903,2907,2911],{"title":2884,"path":2885,"stem":2886},"Налаштування демонстраційної бази даних","\u002Fdatabases\u002Fsql\u002Fsample-database-setup","06.databases\u002F03.sql\u002F00.sample-database-setup",{"title":2888,"path":2889,"stem":2890},"DDL - Створення таблиць (CREATE TABLE)","\u002Fdatabases\u002Fsql\u002Fddl-create-table","06.databases\u002F03.sql\u002F01.ddl-create-table",{"title":2892,"path":2893,"stem":2894},"DDL - Зміна та видалення таблиць (ALTER, DROP)","\u002Fdatabases\u002Fsql\u002Fddl-alter-drop-table","06.databases\u002F03.sql\u002F02.ddl-alter-drop-table",{"title":2896,"path":2897,"stem":2898},"SELECT запити - Основи","\u002Fdatabases\u002Fsql\u002Fselect-queries-fundamentals","06.databases\u002F03.sql\u002F03.select-queries-fundamentals",{"title":2900,"path":2901,"stem":2902},"SELECT запити - Розширені можливості","\u002Fdatabases\u002Fsql\u002Fselect-queries-advanced","06.databases\u002F03.sql\u002F04.select-queries-advanced",{"title":2904,"path":2905,"stem":2906},"INSERT запити - Додавання даних","\u002Fdatabases\u002Fsql\u002Finsert-queries","06.databases\u002F03.sql\u002F05.insert-queries",{"title":2908,"path":2909,"stem":2910},"UPDATE та DELETE запити","\u002Fdatabases\u002Fsql\u002Fupdate-delete-queries","06.databases\u002F03.sql\u002F06.update-delete-queries",{"title":2912,"path":2913,"stem":2914},"Транзакції в SQL","\u002Fdatabases\u002Fsql\u002Ftransactions","06.databases\u002F03.sql\u002F07.transactions",{"title":2916,"icon":2821,"path":2917,"stem":2918,"children":2919,"page":59},"Multi Table Databases","\u002Fdatabases\u002Fmulti-table-databases","06.databases\u002F04.multi-table-databases",[2920,2924,2928,2932,2936,2940],{"title":2921,"path":2922,"stem":2923},"Зв'язки та нормалізація БД","\u002Fdatabases\u002Fmulti-table-databases\u002Frelationships-and-normalization","06.databases\u002F04.multi-table-databases\u002F00.relationships-and-normalization",{"title":2925,"path":2926,"stem":2927},"INNER JOIN - З'єднання таблиць","\u002Fdatabases\u002Fmulti-table-databases\u002Finner-join","06.databases\u002F04.multi-table-databases\u002F01.inner-join",{"title":2929,"path":2930,"stem":2931},"OUTER JOINs - LEFT, RIGHT, FULL","\u002Fdatabases\u002Fmulti-table-databases\u002Fouter-joins","06.databases\u002F04.multi-table-databases\u002F02.outer-joins",{"title":2933,"path":2934,"stem":2935},"CROSS та SELF JOINs","\u002Fdatabases\u002Fmulti-table-databases\u002Fcross-self-joins","06.databases\u002F04.multi-table-databases\u002F03.cross-self-joins",{"title":2937,"path":2938,"stem":2939},"Підзапити (Subqueries)","\u002Fdatabases\u002Fmulti-table-databases\u002Fsubqueries","06.databases\u002F04.multi-table-databases\u002F04.subqueries",{"title":2941,"path":2942,"stem":2943},"Агрегації з JOIN","\u002Fdatabases\u002Fmulti-table-databases\u002Faggregations-with-joins","06.databases\u002F04.multi-table-databases\u002F05.aggregations-with-joins",{"title":2945,"icon":2946,"path":2947,"stem":2948,"children":2949,"page":59},"Aggregate Functions","i-lucide-calculator","\u002Fdatabases\u002Faggregate-functions","06.databases\u002F05.aggregate-functions",[2950,2954,2958],{"title":2951,"path":2952,"stem":2953},"Функції агрегування в MS SQL Server","\u002Fdatabases\u002Faggregate-functions\u002Fintroduction-aggregate-functions","06.databases\u002F05.aggregate-functions\u002F01.introduction-aggregate-functions",{"title":2955,"path":2956,"stem":2957},"Групування даних в MS SQL Server","\u002Fdatabases\u002Faggregate-functions\u002Fgrouping-data","06.databases\u002F05.aggregate-functions\u002F02.grouping-data",{"title":2959,"path":2960,"stem":2961},"Підзапити з агрегатними функціями","\u002Fdatabases\u002Faggregate-functions\u002Fsubqueries-aggregates","06.databases\u002F05.aggregate-functions\u002F03.subqueries-aggregates",{"title":2963,"icon":2964,"path":2965,"stem":2966,"children":2967,"page":59},"Тригери та зберігаємі процедури","i-lucide-database-zap","\u002Fdatabases\u002Ftriggers-stored-procedures","06.databases\u002F07.triggers-stored-procedures",[2968,2972,2976,2980,2984,2988,2992],{"title":2969,"path":2970,"stem":2971},"DML-тригери","\u002Fdatabases\u002Ftriggers-stored-procedures\u002Fdml-triggers","06.databases\u002F07.triggers-stored-procedures\u002F01.dml-triggers",{"title":2973,"path":2974,"stem":2975},"DDL-тригери","\u002Fdatabases\u002Ftriggers-stored-procedures\u002Fddl-triggers","06.databases\u002F07.triggers-stored-procedures\u002F02.ddl-triggers",{"title":2977,"path":2978,"stem":2979},"Transact-SQL розширення","\u002Fdatabases\u002Ftriggers-stored-procedures\u002Ftransact-sql-extensions","06.databases\u002F07.triggers-stored-procedures\u002F03.transact-sql-extensions",{"title":2981,"path":2982,"stem":2983},"Транзакції","\u002Fdatabases\u002Ftriggers-stored-procedures\u002Ftransactions","06.databases\u002F07.triggers-stored-procedures\u002F04.transactions",{"title":2985,"path":2986,"stem":2987},"Зберігаємі процедури","\u002Fdatabases\u002Ftriggers-stored-procedures\u002Fstored-procedures","06.databases\u002F07.triggers-stored-procedures\u002F05.stored-procedures",{"title":2989,"path":2990,"stem":2991},"Користувацькі функції","\u002Fdatabases\u002Ftriggers-stored-procedures\u002Fuser-defined-functions","06.databases\u002F07.triggers-stored-procedures\u002F06.user-defined-functions",{"title":2993,"path":2994,"stem":2995},"Безпека баз даних","\u002Fdatabases\u002Ftriggers-stored-procedures\u002Fsecurity","06.databases\u002F07.triggers-stored-procedures\u002F08.security",{"title":2993,"icon":793,"path":2997,"stem":2998,"children":2999,"page":59},"\u002Fdatabases\u002Fsecurity","06.databases\u002F08.security",[3000,3004],{"title":3001,"path":3002,"stem":3003},"Вступ до безпеки баз даних","\u002Fdatabases\u002Fsecurity\u002Fintroduction","06.databases\u002F08.security\u002F01.introduction",{"title":3005,"path":3006,"stem":3007},"Системні представлення та метадані","\u002Fdatabases\u002Fsecurity\u002Fsystem-views","06.databases\u002F08.security\u002F02.system-views",{"title":3009,"icon":3010,"path":3011,"stem":3012,"children":3013,"page":59},"Резервне копіювання та відновлення","i-lucide-database-backup","\u002Fdatabases\u002Fbackup-recovery","06.databases\u002F09.backup-recovery",[3014],{"title":3009,"path":3015,"stem":3016},"\u002Fdatabases\u002Fbackup-recovery\u002Fbackup-restore","06.databases\u002F09.backup-recovery\u002F01.backup-restore",{"title":3018,"icon":3019,"path":3020,"stem":3021,"children":3022,"page":59},"Повнотекстовий пошук","i-lucide-search","\u002Fdatabases\u002Ffull-text-search","06.databases\u002F10.full-text-search",[3023],{"title":3018,"path":3024,"stem":3025},"\u002Fdatabases\u002Ffull-text-search\u002Ffull-text-search","06.databases\u002F10.full-text-search\u002F01.full-text-search",{"title":3027,"icon":3028,"path":3029,"stem":3030,"children":3031,"page":59},"Tools","i-lucide-wrench","\u002Ftools","07.tools",[3032,3108],{"title":3033,"icon":3034,"path":3035,"stem":3036,"children":3037},"Docker","i-simple-icons-docker","\u002Ftools\u002Fdocker","07.tools\u002F01.docker\u002Findex",[3038,3040,3044,3048,3052,3056,3060,3064,3068,3072,3076,3080,3084,3088,3092,3096,3100,3104],{"title":3039,"path":3035,"stem":3036},"Docker: від нуля до production",{"title":3041,"path":3042,"stem":3043},"Контейнеризація — від проблеми до рішення","\u002Ftools\u002Fdocker\u002Fcontainerization-concept","07.tools\u002F01.docker\u002F01.containerization-concept",{"title":3045,"path":3046,"stem":3047},"Docker — що це і навіщо?","\u002Ftools\u002Fdocker\u002Fdocker-what-and-why","07.tools\u002F01.docker\u002F02.docker-what-and-why",{"title":3049,"path":3050,"stem":3051},"Архітектура Docker Engine","\u002Ftools\u002Fdocker\u002Fdocker-architecture","07.tools\u002F01.docker\u002F03.docker-architecture",{"title":3053,"path":3054,"stem":3055},"Встановлення Docker","\u002Ftools\u002Fdocker\u002Finstallation","07.tools\u002F01.docker\u002F04.installation",{"title":3057,"path":3058,"stem":3059},"Перший контейнер — docker run","\u002Ftools\u002Fdocker\u002Ffirst-container","07.tools\u002F01.docker\u002F05.first-container",{"title":3061,"path":3062,"stem":3063},"Життєвий цикл контейнера","\u002Ftools\u002Fdocker\u002Fcontainer-lifecycle","07.tools\u002F01.docker\u002F06.container-lifecycle",{"title":3065,"path":3066,"stem":3067},"Docker Images — фундаментальні концепції","\u002Ftools\u002Fdocker\u002Fdocker-images-fundamentals","07.tools\u002F01.docker\u002F07.docker-images-fundamentals",{"title":3069,"path":3070,"stem":3071},"Dockerfile — основи","\u002Ftools\u002Fdocker\u002Fdockerfile-basics","07.tools\u002F01.docker\u002F08.dockerfile-basics",{"title":3073,"path":3074,"stem":3075},"Dockerfile — просунуті техніки","\u002Ftools\u002Fdocker\u002Fdockerfile-advanced","07.tools\u002F01.docker\u002F09.dockerfile-advanced",{"title":3077,"path":3078,"stem":3079},"Build Context та кешування шарів","\u002Ftools\u002Fdocker\u002Fbuild-context-and-cache","07.tools\u002F01.docker\u002F10.build-context-and-cache",{"title":3081,"path":3082,"stem":3083},"Реєстри Docker-образів","\u002Ftools\u002Fdocker\u002Fimage-registries","07.tools\u002F01.docker\u002F11.image-registries",{"title":3085,"path":3086,"stem":3087},"Контейнеризація .NET додатків","\u002Ftools\u002Fdocker\u002Fdotnet-containerization","07.tools\u002F01.docker\u002F12.dotnet-containerization",{"title":3089,"path":3090,"stem":3091},"Томи та збереження даних","\u002Ftools\u002Fdocker\u002Fvolumes-and-data","07.tools\u002F01.docker\u002F13.volumes-and-data",{"title":3093,"path":3094,"stem":3095},"Основи мережі в Docker","\u002Ftools\u002Fdocker\u002Fnetworking-basics","07.tools\u002F01.docker\u002F14.networking-basics",{"title":3097,"path":3098,"stem":3099},"Змінні оточення та конфігурація","\u002Ftools\u002Fdocker\u002Fenvironment-and-configuration","07.tools\u002F01.docker\u002F15.environment-and-configuration",{"title":3101,"path":3102,"stem":3103},"Docker Compose — оркестрація контейнерів","\u002Ftools\u002Fdocker\u002Fdocker-compose-basics","07.tools\u002F01.docker\u002F16.docker-compose-basics",{"title":3105,"path":3106,"stem":3107},"Docker Compose — Multi-Service застосунки","\u002Ftools\u002Fdocker\u002Fcompose-multi-service","07.tools\u002F01.docker\u002F17.compose-multi-service",{"title":3109,"icon":3110,"path":3111,"stem":3112,"children":3113},"Kubernetes","simple-icons:kubernetes","\u002Ftools\u002Fkubernetes","07.tools\u002F02.kubernetes\u002Findex",[3114,3116,3120,3124,3128,3132,3136,3140,3144],{"title":3115,"path":3111,"stem":3112},"Kubernetes: від розробки до production",{"title":3117,"path":3118,"stem":3119},"Kubernetes — коли Docker Compose більше не вистачає","\u002Ftools\u002Fkubernetes\u002Fwhy-kubernetes","07.tools\u002F02.kubernetes\u002F01.why-kubernetes",{"title":3121,"path":3122,"stem":3123},"Архітектура Kubernetes — анатомія кластера","\u002Ftools\u002Fkubernetes\u002Fkubernetes-architecture","07.tools\u002F02.kubernetes\u002F02.kubernetes-architecture",{"title":3125,"path":3126,"stem":3127},"Локальне середовище — minikube, kind та k3s","\u002Ftools\u002Fkubernetes\u002Flocal-environment","07.tools\u002F02.kubernetes\u002F03.local-environment",{"title":3129,"path":3130,"stem":3131},"Pod — атомарна одиниця Kubernetes","\u002Ftools\u002Fkubernetes\u002Fpods-and-containers","07.tools\u002F02.kubernetes\u002F04.pods-and-containers",{"title":3133,"path":3134,"stem":3135},"Патерни використання Pod","\u002Ftools\u002Fkubernetes\u002Fpod-patterns","07.tools\u002F02.kubernetes\u002F05.pod-patterns",{"title":3137,"path":3138,"stem":3139},"Deployment — декларативне управління Pod","\u002Ftools\u002Fkubernetes\u002Fdeployment-basics","07.tools\u002F02.kubernetes\u002F06.deployment-basics",{"title":3141,"path":3142,"stem":3143},"Rolling Updates та управління життєвим циклом Deployment","\u002Ftools\u002Fkubernetes\u002Fdeployment-rolling-updates","07.tools\u002F02.kubernetes\u002F07.deployment-rolling-updates",{"title":3145,"path":3146,"stem":3147},"Service — мережева абстракція для Pod","\u002Ftools\u002Fkubernetes\u002Fservices-networking","07.tools\u002F02.kubernetes\u002F08.services-networking",{"title":3149,"icon":3150,"path":3151,"stem":3152,"children":3153,"page":59},"Software Engineering","i-lucide-code-2","\u002Fsoftware-engineering","09.software-engineering",[3154,3158,3162,3166,3170,3174,3178,3182,3186,3190,3194],{"title":3155,"path":3156,"stem":3157},"1. Аналіз предметної області. Експертні знання та складність","\u002Fsoftware-engineering\u002Fintro-subdomains","09.software-engineering\u002F01.intro-subdomains",{"title":3159,"path":3160,"stem":3161},"2. Обмежені контексти. Інтеграція обмежених контекстів","\u002Fsoftware-engineering\u002Fintegrating-limited-contexts","09.software-engineering\u002F02.integrating-limited-contexts",{"title":3163,"path":3164,"stem":3165},"3. Реалізація простої бізнес-логіки","\u002Fsoftware-engineering\u002Fsimple","09.software-engineering\u002F03.simple",{"title":3167,"path":3168,"stem":3169},"4. Опрацювання складної бізнес-логіки","\u002Fsoftware-engineering\u002Fcomplex-business-logic","09.software-engineering\u002F04.complex-business-logic",{"title":3171,"path":3172,"stem":3173},"5. Моделювання фактора часу. Подієво-орієнтована архітектура.","\u002Fsoftware-engineering\u002Fmodelling-the-time-factor","09.software-engineering\u002F05.modelling-the-time-factor",{"title":3175,"path":3176,"stem":3177},"6. Архітектурні патерни","\u002Fsoftware-engineering\u002Farchitectural-patterns","09.software-engineering\u002F06.architectural-patterns",{"title":3179,"path":3180,"stem":3181},"Паттерни взаємодії","\u002Fsoftware-engineering\u002Fpatterns-of-interaction","09.software-engineering\u002F07.patterns-of-interaction",{"title":3183,"path":3184,"stem":3185},"Евристика проєктування","\u002Fsoftware-engineering\u002Fdesign-heuristics","09.software-engineering\u002F08.design-heuristics",{"title":3187,"path":3188,"stem":3189},"Еволюція проєктних рішень","\u002Fsoftware-engineering\u002Fevolution-of-design-solutions","09.software-engineering\u002F09.evolution-of-design-solutions",{"title":3191,"path":3192,"stem":3193},"EventStorming","\u002Fsoftware-engineering\u002Feventstorming","09.software-engineering\u002F10.eventstorming",{"title":3195,"path":3196,"stem":3197},"DDD на практиці","\u002Fsoftware-engineering\u002Fddd-in-practice","09.software-engineering\u002F11.ddd-in-practice",{"title":3199,"icon":943,"path":3200,"stem":3201,"children":3202,"page":59},"DDD","\u002Fddd","10.ddd",[3203,3207,3211,3215,3219,3223,3227,3231,3235,3239,3243,3247,3251],{"title":3204,"path":3205,"stem":3206},"Аналіз предметної області","\u002Fddd\u002Fdomain-analysis","10.ddd\u002F01.domain-analysis",{"title":3208,"path":3209,"stem":3210},"Експертні знання про предметну область","\u002Fddd\u002Fdomain-expert-knowledge","10.ddd\u002F02.domain-expert-knowledge",{"title":3212,"path":3213,"stem":3214},"Як осмислити складність предметної області","\u002Fddd\u002Fmanaging-domain-complexity","10.ddd\u002F03.managing-domain-complexity",{"title":3216,"path":3217,"stem":3218},"Інтеграція обмежених контекстів","\u002Fddd\u002Fbounded-context-integration","10.ddd\u002F04.bounded-context-integration",{"title":3220,"path":3221,"stem":3222},"Реалізація простої бізнес-логіки","\u002Fddd\u002Fsimple-business-logic","10.ddd\u002F05.simple-business-logic",{"title":3224,"path":3225,"stem":3226},"Обробка складної бізнес-логіки","\u002Fddd\u002Fcomplex-business-logic","10.ddd\u002F06.complex-business-logic",{"title":3228,"path":3229,"stem":3230},"Моделювання фактора часу","\u002Fddd\u002Ftime-modeling","10.ddd\u002F07.time-modeling",{"title":3232,"path":3233,"stem":3234},"Глава 8. Архітектурні Патерни","\u002Fddd\u002Farchitectural-patterns","10.ddd\u002F08.architectural-patterns",{"title":3236,"path":3237,"stem":3238},"Глава 9. Патерни Взаємодії","\u002Fddd\u002Finteraction-patterns","10.ddd\u002F09.interaction-patterns",{"title":3240,"path":3241,"stem":3242},"Глава 10. Проектні Евристики","\u002Fddd\u002Fdesign-heuristics","10.ddd\u002F10.design-heuristics",{"title":3244,"path":3245,"stem":3246},"Глава 11. Еволюція Проектних Рішень","\u002Fddd\u002Fevolution-of-design-decisions","10.ddd\u002F11.evolution-of-design-decisions",{"title":3248,"path":3249,"stem":3250},"Глава 12. EventStorming","\u002Fddd\u002Fevent-storming","10.ddd\u002F12.event-storming",{"title":3252,"path":3253,"stem":3254},"Глава 13. DDD на Практиці","\u002Fddd\u002Fddd-in-practice","10.ddd\u002F13.ddd-in-practice",{"title":3256,"icon":3257,"path":3258,"stem":3259,"children":3260,"page":59},"Media Streaming","i-lucide-video","\u002Fmedia-streaming","11.media-streaming",[3261,3265,3269,3273,3277,3281,3285],{"title":3262,"path":3263,"stem":3264},"01. Магія Стрімінгу: Що відбувається, коли ви натискаєте \"Play\"","\u002Fmedia-streaming\u002Fintroduction","11.media-streaming\u002F01.introduction",{"title":3266,"path":3267,"stem":3268},"02. Анатомія Медіа: Кодеки, Контейнери та Стиснення","\u002Fmedia-streaming\u002Faudio-video-anatomy","11.media-streaming\u002F02.audio-video-anatomy",{"title":3270,"path":3271,"stem":3272},"03. The Gym: FFmpeg Deep Dive","\u002Fmedia-streaming\u002Fffmpeg-gym","11.media-streaming\u002F03.ffmpeg-gym",{"title":3274,"path":3275,"stem":3276},"04. HLS Protocol: HTTP Live Streaming у Деталях","\u002Fmedia-streaming\u002Fhls-protocol","11.media-streaming\u002F04.hls-protocol",{"title":3278,"path":3279,"stem":3280},"05. DASH Protocol: Відкритий Стандарт","\u002Fmedia-streaming\u002Fdash-protocol","11.media-streaming\u002F05.dash-protocol",{"title":3282,"path":3283,"stem":3284},"06. Масштабування: CDN та Adaptive Bitrate","\u002Fmedia-streaming\u002Fcdn-and-adaptive-bitrate","11.media-streaming\u002F06.cdn-and-adaptive-bitrate",{"title":3286,"path":3287,"stem":3288},"07. Війна із Затримкою (Latency)","\u002Fmedia-streaming\u002Frealtime-latency","11.media-streaming\u002F07.realtime-latency",{"title":3290,"icon":3291,"path":3292,"stem":3293,"children":3294,"page":59},"HTML & CSS","i-devicon-html5","\u002Fhtml-css","12.html-css",[3295,3299,3303,3307,3311,3315,3319,3323,3327,3331,3335,3339,3343,3347,3351,3355,3359,3363,3367,3371,3375,3379,3383,3387,3391,3395,3399,3403,3407,3411],{"title":3296,"path":3297,"stem":3298},"Вступ до HTML. Структура документа","\u002Fhtml-css\u002Fintro-html-structure","12.html-css\u002F01.intro-html-structure",{"title":3300,"path":3301,"stem":3302},"Форматування тексту в HTML","\u002Fhtml-css\u002Fhtml-text-formatting","12.html-css\u002F02.html-text-formatting",{"title":3304,"path":3305,"stem":3306},"Посилання та зображення в HTML","\u002Fhtml-css\u002Fhtml-links-images","12.html-css\u002F03.html-links-images",{"title":3308,"path":3309,"stem":3310},"Списки та таблиці в HTML","\u002Fhtml-css\u002Fhtml-lists-tables","12.html-css\u002F04.html-lists-tables",{"title":3312,"path":3313,"stem":3314},"Форми в HTML","\u002Fhtml-css\u002Fhtml-forms","12.html-css\u002F05.html-forms",{"title":3316,"path":3317,"stem":3318},"Семантичні елементи HTML5","\u002Fhtml-css\u002Fhtml-semantic-elements","12.html-css\u002F06.html-semantic-elements",{"title":3320,"path":3321,"stem":3322},"Мультимедіа та розширені елементи HTML","\u002Fhtml-css\u002Fhtml-multimedia-advanced","12.html-css\u002F07.html-multimedia-advanced",{"title":3324,"path":3325,"stem":3326},"Мікророзмітка та SEO в HTML","\u002Fhtml-css\u002Fhtml-microdata-seo","12.html-css\u002F08.html-microdata-seo",{"title":3328,"path":3329,"stem":3330},"Вступ до CSS. Селектори та специфічність","\u002Fhtml-css\u002Fcss-intro-selectors","12.html-css\u002F09.css-intro-selectors",{"title":3332,"path":3333,"stem":3334},"Блокова модель CSS. Відступи. Box Sizing","\u002Fhtml-css\u002Fcss-box-model","12.html-css\u002F10.css-box-model",{"title":3336,"path":3337,"stem":3338},"Розміри у CSS: повний довідник одиниць і ключових слів","\u002Fhtml-css\u002F10a.css-sizing","12.html-css\u002F10a.css-sizing",{"title":3340,"path":3341,"stem":3342},"Типографіка в CSS. Шрифти та текст","\u002Fhtml-css\u002Fcss-typography","12.html-css\u002F11.css-typography",{"title":3344,"path":3345,"stem":3346},"Кольори та фони в CSS","\u002Fhtml-css\u002Fcss-colors-backgrounds","12.html-css\u002F12.css-colors-backgrounds",{"title":3348,"path":3349,"stem":3350},"Тіні та фільтри в CSS","\u002Fhtml-css\u002F12b.css-shadows-filters","12.html-css\u002F12b.css-shadows-filters",{"title":3352,"path":3353,"stem":3354},"CSS Flexbox: Фундамент гнучких макетів","\u002Fhtml-css\u002Fcss-flexbox-fundamentals","12.html-css\u002F13.css-flexbox-fundamentals",{"title":3356,"path":3357,"stem":3358},"CSS Flexbox: Вирівнювання та Позиціонування","\u002Fhtml-css\u002Fcss-flexbox-alignment-sizing-and-patterns","12.html-css\u002F14.css-flexbox-alignment-sizing-and-patterns",{"title":3360,"path":3361,"stem":3362},"CSS Grid. Двовимірний макет. Частина 1","\u002Fhtml-css\u002Fcss-layout-grid","12.html-css\u002F15.css-layout-grid",{"title":3364,"path":3365,"stem":3366},"CSS Grid. Двовимірний макет. Частина 2","\u002Fhtml-css\u002Fcss-layout-grid-advanced","12.html-css\u002F16.css-layout-grid-advanced",{"title":3368,"path":3369,"stem":3370},"Позиціонування в CSS. Z-index. Stacking Context","\u002Fhtml-css\u002Fcss-positioning","12.html-css\u002F17.css-positioning",{"title":3372,"path":3373,"stem":3374},"CSS Анімації та Переходи","\u002Fhtml-css\u002Fcss-animations-transitions","12.html-css\u002F18.css-animations-transitions",{"title":3376,"path":3377,"stem":3378},"Адаптивний дизайн. Media Queries. Частина 1","\u002Fhtml-css\u002Fcss-responsive-media-queries","12.html-css\u002F19.css-responsive-media-queries",{"title":3380,"path":3381,"stem":3382},"Адаптивний дизайн. Частина 2: clamp(), Container Queries, @layer","\u002Fhtml-css\u002Fcss-responsive-advanced","12.html-css\u002F20.css-responsive-advanced",{"title":3384,"path":3385,"stem":3386},"CSS Custom Properties. Методології. Сучасний CSS","\u002Fhtml-css\u002Fcss-variables-methodologies","12.html-css\u002F21.css-variables-methodologies",{"title":3388,"path":3389,"stem":3390},"Сучасний CSS 2023–2025: Нові можливості","\u002Fhtml-css\u002Fcss-modern-features","12.html-css\u002F22.css-modern-features",{"title":3392,"path":3393,"stem":3394},"CSS Nesting, @layer, @scope та @property: нативний препроцесор","\u002Fhtml-css\u002F22a.css-nesting-modern-syntax","12.html-css\u002F22a.css-nesting-modern-syntax",{"title":3396,"path":3397,"stem":3398},"CSS для форм та інтерактивних станів","\u002Fhtml-css\u002Fcss-forms-interactive-states","12.html-css\u002F23.css-forms-interactive-states",{"title":3400,"path":3401,"stem":3402},"Доступність у CSS (CSS Accessibility)","\u002Fhtml-css\u002Fcss-accessibility","12.html-css\u002F24.css-accessibility",{"title":3404,"path":3405,"stem":3406},"CSS-функції та сучасні sizing primitives","\u002Fhtml-css\u002Fcss-functions-sizing","12.html-css\u002F25.css-functions-sizing",{"title":3408,"path":3409,"stem":3410},"Rendering Pipeline і CSS Performance","\u002Fhtml-css\u002Fcss-rendering-performance","12.html-css\u002F26.css-rendering-performance",{"title":3412,"path":3413,"stem":3414},"CSS Best Practices: типові ситуації та правильні рішення","\u002Fhtml-css\u002Fcss-best-practices","12.html-css\u002F27.css-best-practices",{"title":3416,"path":3417,"stem":3418,"children":3419,"page":59},"AWS","\u002Faws","13.aws",[3420,3424,3428,3432,3436,3440,3444,3448,3452,3456,3460,3464,3468,3472,3476,3480,3484,3488],{"title":3421,"path":3422,"stem":3423},"Реєстрація AWS акаунту та студентські програми","\u002Faws\u002Faccount-registration","13.aws\u002F00.account-registration",{"title":3425,"path":3426,"stem":3427},"Вступ до хмарних обчислень та AWS","\u002Faws\u002Fintroduction-to-cloud","13.aws\u002F01.introduction-to-cloud",{"title":3429,"path":3430,"stem":3431},"AWS IAM — Identity and Access Management","\u002Faws\u002Fiam","13.aws\u002F02.iam",{"title":3433,"path":3434,"stem":3435},"AWS IAM CLI — Довідник команд","\u002Faws\u002F02a.iam-doc","13.aws\u002F02a.iam-doc",{"title":3437,"path":3438,"stem":3439},"Docker та контейнеризація в AWS — ECR, ECS та Fargate","\u002Faws\u002Fdocker-ecs","13.aws\u002F03.docker-ecs",{"title":3441,"path":3442,"stem":3443},"AWS ECR \u002F ECS CLI — Довідник команд","\u002Faws\u002F03a.docker-ecs-doc","13.aws\u002F03a.docker-ecs-doc",{"title":3445,"path":3446,"stem":3447},"Amazon EC2 — Elastic Compute Cloud","\u002Faws\u002Fec2","13.aws\u002F04.ec2",{"title":3449,"path":3450,"stem":3451},"AWS EC2 CLI — Довідник команд","\u002Faws\u002F04a.ec2-doc","13.aws\u002F04a.ec2-doc",{"title":3453,"path":3454,"stem":3455},"Elastic Load Balancing та Auto Scaling","\u002Faws\u002Falb-asg","13.aws\u002F05.alb-asg",{"title":3457,"path":3458,"stem":3459},"Amazon S3 — Simple Storage Service","\u002Faws\u002Fs3","13.aws\u002F06.s3",{"title":3461,"path":3462,"stem":3463},"Amazon CloudFront — Content Delivery Network","\u002Faws\u002Fcloudfront","13.aws\u002F07.cloudfront",{"title":3465,"path":3466,"stem":3467},"Amazon RDS — Relational Database Service","\u002Faws\u002Frds","13.aws\u002F08.rds",{"title":3469,"path":3470,"stem":3471},"Amazon DynamoDB — NoSQL Database","\u002Faws\u002Fdynamodb","13.aws\u002F09.dynamodb",{"title":3473,"path":3474,"stem":3475},"AWS Lambda та Serverless Compute","\u002Faws\u002Flambda","13.aws\u002F10.lambda",{"title":3477,"path":3478,"stem":3479},"Amazon Bedrock - Foundation Models, RAG та Agents","\u002Faws\u002Fbedrock","13.aws\u002F22.bedrock",{"title":3481,"path":3482,"stem":3483},"Amazon Rekognition - Комп'ютерний зір","\u002Faws\u002Frekognition","13.aws\u002F23.rekognition",{"title":3485,"path":3486,"stem":3487},"Amazon Textract - Інтелектуальний аналіз документів","\u002Faws\u002Ftextract","13.aws\u002F24.textract",{"title":3489,"path":3490,"stem":3491},"Amazon Polly, Transcribe, Comprehend та Translate","\u002Faws\u002Faudio-nlp-services","13.aws\u002F25.audio-nlp-services",{"title":3493,"path":3494,"stem":3495,"children":3496,"page":59},"Ai Development","\u002Fai-development","14.ai-development",[3497],{"title":3498,"path":3499,"stem":3500,"children":3501,"page":59},"Foundations","\u002Fai-development\u002Ffoundations","14.ai-development\u002F00.foundations",[3502],{"title":3503,"path":3504,"stem":3505},"Модуль 0.1. Що таке Large Language Model (LLM)","\u002Fai-development\u002Ffoundations\u002Fwhat-is-llm","14.ai-development\u002F00.foundations\u002F01.what-is-llm",{"title":3507,"path":3508,"stem":3509,"children":3510,"page":59},"React Native","\u002Freact-native","15.react-native",[3511,3532],{"title":3512,"path":3513,"stem":3514,"children":3515,"page":59},"Version1","\u002Freact-native\u002Fversion1","15.react-native\u002Fversion1",[3516,3520,3524,3528],{"title":3517,"path":3518,"stem":3519},"Що таке React Native","\u002Freact-native\u002Fversion1\u002Fwhat-is-react-native","15.react-native\u002Fversion1\u002F01.what-is-react-native",{"title":3521,"path":3522,"stem":3523},"Як влаштований React Native «під капотом»","\u002Freact-native\u002Fversion1\u002Freact-native-architecture","15.react-native\u002Fversion1\u002F02.react-native-architecture",{"title":3525,"path":3526,"stem":3527},"Від React до React Native: ключові відмінності","\u002Freact-native\u002Fversion1\u002Freact-native-vs-react","15.react-native\u002Fversion1\u002F03.react-native-vs-react",{"title":3529,"path":3530,"stem":3531},"View та Text — фундаментальні будівельні блоки","\u002Freact-native\u002Fversion1\u002Fview-and-text","15.react-native\u002Fversion1\u002F04.view-and-text",{"title":3533,"path":3534,"stem":3535,"children":3536,"page":59},"Version2","\u002Freact-native\u002Fversion2","15.react-native\u002Fversion2",[3537,3541,3545,3549,3553,3557,3561,3565,3569,3573,3577,3581,3585,3589,3593,3597,3601,3605,3609,3613,3617,3621,3625,3629,3633,3637,3641],{"title":3538,"path":3539,"stem":3540},"React Native — навіщо він потрібен","\u002Freact-native\u002Fversion2\u002Fwhy-react-native","15.react-native\u002Fversion2\u002F01.why-react-native",{"title":3542,"path":3543,"stem":3544},"Налаштування середовища розробки","\u002Freact-native\u002Fversion2\u002Fenvironment-setup","15.react-native\u002Fversion2\u002F02.environment-setup",{"title":3546,"path":3547,"stem":3548},"Expo і класичний React Native — два шляхи одного фреймворку","\u002Freact-native\u002Fversion2\u002Fexpo-vs-cli-landscape","15.react-native\u002Fversion2\u002F03.expo-vs-cli-landscape",{"title":3550,"path":3551,"stem":3552},"Середовище Expo — перший запуск","\u002Freact-native\u002Fversion2\u002Fexpo-setup-and-tooling","15.react-native\u002Fversion2\u002F04.expo-setup-and-tooling",{"title":3554,"path":3555,"stem":3556},"Структура проєкту та перші UI-примітиви","\u002Freact-native\u002Fversion2\u002Fproject-structure-and-conventions","15.react-native\u002Fversion2\u002F05.project-structure-and-conventions",{"title":3558,"path":3559,"stem":3560},"Базові компоненти React Native","\u002Freact-native\u002Fversion2\u002Fcore-components","15.react-native\u002Fversion2\u002F06.core-components",{"title":3562,"path":3563,"stem":3564},"Flexbox і layout у React Native","\u002Freact-native\u002Fversion2\u002Fflexbox-and-layout","15.react-native\u002Fversion2\u002F07.flexbox-and-layout",{"title":3566,"path":3567,"stem":3568},"StyleSheet і теми (light \u002F dark)","\u002Freact-native\u002Fversion2\u002Fstylesheet-and-theming","15.react-native\u002Fversion2\u002F08.stylesheet-and-theming",{"title":3570,"path":3571,"stem":3572},"Списки та віртуалізація","\u002Freact-native\u002Fversion2\u002Flists-and-virtualization","15.react-native\u002Fversion2\u002F09.lists-and-virtualization",{"title":3574,"path":3575,"stem":3576},"Форми, ввід і валідація","\u002Freact-native\u002Fversion2\u002Fforms-input-validation","15.react-native\u002Fversion2\u002F10.forms-input-validation",{"title":3578,"path":3579,"stem":3580},"Основи Expo Router","\u002Freact-native\u002Fversion2\u002Fexpo-router-basics","15.react-native\u002Fversion2\u002F11.expo-router-basics",{"title":3582,"path":3583,"stem":3584},"Вкладені навігатори та модалки","\u002Freact-native\u002Fversion2\u002Fnested-navigators-and-modals","15.react-native\u002Fversion2\u002F12.nested-navigators-and-modals",{"title":3586,"path":3587,"stem":3588},"Deep linking і параметри маршрутів","\u002Freact-native\u002Fversion2\u002Fdeep-linking-and-params","15.react-native\u002Fversion2\u002F13.deep-linking-and-params",{"title":3590,"path":3591,"stem":3592},"Робота з мережею та життєвий цикл застосунку","\u002Freact-native\u002Fversion2\u002Fnetworking-and-app-lifecycle","15.react-native\u002Fversion2\u002F14.networking-and-app-lifecycle",{"title":3594,"path":3595,"stem":3596},"Redux Toolkit на мобільних платформах","\u002Freact-native\u002Fversion2\u002Fredux-toolkit-on-mobile","15.react-native\u002Fversion2\u002F15.redux-toolkit-on-mobile",{"title":3598,"path":3599,"stem":3600},"RTK Query на мобільних платформах","\u002Freact-native\u002Fversion2\u002Frtk-query-mobile","15.react-native\u002Fversion2\u002F16.rtk-query-mobile",{"title":3602,"path":3603,"stem":3604},"Автентифікація та Безпечне Зберігання","\u002Freact-native\u002Fversion2\u002Fauth-secure-storage","15.react-native\u002Fversion2\u002F18.auth-secure-storage",{"title":3606,"path":3607,"stem":3608},"Локальне сховище — AsyncStorage, MMKV, SQLite","\u002Freact-native\u002Fversion2\u002Flocal-storage-mmkv-sqlite","15.react-native\u002Fversion2\u002F19.local-storage-mmkv-sqlite",{"title":3610,"path":3611,"stem":3612},"Офлайн-First і синхронізація","\u002Freact-native\u002Fversion2\u002Foffline-first-sync","15.react-native\u002Fversion2\u002F20.offline-first-sync",{"title":3614,"path":3615,"stem":3616},"Камера, медіа та файлова система","\u002Freact-native\u002Fversion2\u002Fcamera-media-filesystem","15.react-native\u002Fversion2\u002F21.camera-media-filesystem",{"title":3618,"path":3619,"stem":3620},"Карти та геолокація","\u002Freact-native\u002Fversion2\u002Fmaps-and-location","15.react-native\u002Fversion2\u002F22.maps-and-location",{"title":3622,"path":3623,"stem":3624},"Жести та дотики","\u002Freact-native\u002Fversion2\u002Fgestures-and-touch","15.react-native\u002Fversion2\u002F23.gestures-and-touch",{"title":3626,"path":3627,"stem":3628},"Анімації з Reanimated","\u002Freact-native\u002Fversion2\u002Freanimated-animations","15.react-native\u002Fversion2\u002F24.reanimated-animations",{"title":3630,"path":3631,"stem":3632},"Push і локальні сповіщення","\u002Freact-native\u002Fversion2\u002Fpush-and-local-notifications","15.react-native\u002Fversion2\u002F25.push-and-local-notifications",{"title":3634,"path":3635,"stem":3636},"Інтернаціоналізація та доступність","\u002Freact-native\u002Fversion2\u002Faccessibility-and-i18n","15.react-native\u002Fversion2\u002F26.accessibility-and-i18n",{"title":3638,"path":3639,"stem":3640},"EAS Build та профілі збірки","\u002Freact-native\u002Fversion2\u002Feas-build-and-profiles","15.react-native\u002Fversion2\u002F29.eas-build-and-profiles",{"title":3642,"path":3643,"stem":3644},"Публікація в App Store та Google Play","\u002Freact-native\u002Fversion2\u002Fapp-store-play-release","15.react-native\u002Fversion2\u002F30.app-store-play-release",{"title":3646,"path":3647,"stem":3648,"children":3649,"page":59},"Ai Python","\u002Fai-python","16.ai-python",[3650,3659,3668,3677,3706,3732,3757,3790,3807,3820,3829,3842,3851,3872,3885,3906],{"title":3651,"path":3652,"stem":3653,"children":3654,"page":59},"Intro To Ai","\u002Fai-python\u002Fintro-to-ai","16.ai-python\u002F01.intro-to-ai",[3655],{"title":3656,"path":3657,"stem":3658},"Вступ до штучного інтелекту та машинного навчання","\u002Fai-python\u002Fintro-to-ai\u002Fintro-to-ai","16.ai-python\u002F01.intro-to-ai\u002F01.intro-to-ai",{"title":3660,"path":3661,"stem":3662,"children":3663,"page":59},"Jupyter Notebook","\u002Fai-python\u002Fjupyter-notebook","16.ai-python\u002F02.jupyter-notebook",[3664],{"title":3665,"path":3666,"stem":3667},"Знайомство з Jupyter Notebook та JupyterLab","\u002Fai-python\u002Fjupyter-notebook\u002Fjupyter-notebook","16.ai-python\u002F02.jupyter-notebook\u002F02.jupyter-notebook",{"title":3669,"path":3670,"stem":3671,"children":3672,"page":59},"Numpy Pandas","\u002Fai-python\u002Fnumpy-pandas","16.ai-python\u002F03.numpy-pandas",[3673],{"title":3674,"path":3675,"stem":3676},"Робота з даними з використанням NumPy і pandas","\u002Fai-python\u002Fnumpy-pandas\u002Fnumpy-pandas","16.ai-python\u002F03.numpy-pandas\u002F03.numpy-pandas",{"title":3678,"path":3679,"stem":3680,"children":3681,"page":59},"Statistics Basics","\u002Fai-python\u002Fstatistics-basics","16.ai-python\u002F04.statistics-basics",[3682,3686,3690,3694,3698,3702],{"title":3683,"path":3684,"stem":3685},"Випадкові величини та їх типи","\u002Fai-python\u002Fstatistics-basics\u002Frandom-variables","16.ai-python\u002F04.statistics-basics\u002F01.random-variables",{"title":3687,"path":3688,"stem":3689},"Міри центральної тенденції","\u002Fai-python\u002Fstatistics-basics\u002Fcentral-tendency","16.ai-python\u002F04.statistics-basics\u002F02.central-tendency",{"title":3691,"path":3692,"stem":3693},"Міри варіації (розсіювання)","\u002Fai-python\u002Fstatistics-basics\u002Fvariability","16.ai-python\u002F04.statistics-basics\u002F03.variability",{"title":3695,"path":3696,"stem":3697},"Розподіли випадкових величин","\u002Fai-python\u002Fstatistics-basics\u002Fdistributions","16.ai-python\u002F04.statistics-basics\u002F04.distributions",{"title":3699,"path":3700,"stem":3701},"Кореляція та взаємозв'язки","\u002Fai-python\u002Fstatistics-basics\u002Fcorrelation","16.ai-python\u002F04.statistics-basics\u002F05.correlation",{"title":3703,"path":3704,"stem":3705},"Викиди та аномалії","\u002Fai-python\u002Fstatistics-basics\u002Foutliers","16.ai-python\u002F04.statistics-basics\u002F06.outliers",{"title":3707,"path":3708,"stem":3709,"children":3710},"Візуалізація даних за допомогою matplotlib","\u002Fai-python\u002Fdata-visualization","16.ai-python\u002F05.data-visualization\u002Findex",[3711,3712,3716,3720,3724,3728],{"title":3707,"path":3708,"stem":3709},{"title":3713,"path":3714,"stem":3715},"Основи matplotlib — Figure, Axes та перший графік","\u002Fai-python\u002Fdata-visualization\u002Fmatplotlib-basics","16.ai-python\u002F05.data-visualization\u002F01.matplotlib-basics",{"title":3717,"path":3718,"stem":3719},"Візуалізація розподілів — гістограми та box plots","\u002Fai-python\u002Fdata-visualization\u002Fdistributions","16.ai-python\u002F05.data-visualization\u002F02.distributions",{"title":3721,"path":3722,"stem":3723},"Візуалізація залежностей — scatter plots та кореляція","\u002Fai-python\u002Fdata-visualization\u002Frelationships","16.ai-python\u002F05.data-visualization\u002F03.relationships",{"title":3725,"path":3726,"stem":3727},"Візуалізація категоріальних даних — bar charts та pie charts","\u002Fai-python\u002Fdata-visualization\u002Fcategorical","16.ai-python\u002F05.data-visualization\u002F04.categorical",{"title":3729,"path":3730,"stem":3731},"Композиції та стилізація — subplots та багатопанельні дашборди","\u002Fai-python\u002Fdata-visualization\u002Fsubplots-styling","16.ai-python\u002F05.data-visualization\u002F05.subplots-styling",{"title":3733,"path":3734,"stem":3735,"children":3736,"page":59},"Linear Regression","\u002Fai-python\u002Flinear-regression","16.ai-python\u002F06.linear-regression",[3737,3741,3745,3749,3753],{"title":3738,"path":3739,"stem":3740},"Регресійна задача та лінійна регресія з однією змінною","\u002Fai-python\u002Flinear-regression\u002Fregression-task","16.ai-python\u002F06.linear-regression\u002F01.regression-task",{"title":3742,"path":3743,"stem":3744},"Метрики якості регресії — як оцінити модель","\u002Fai-python\u002Flinear-regression\u002Fquality-metrics","16.ai-python\u002F06.linear-regression\u002F02.quality-metrics",{"title":3746,"path":3747,"stem":3748},"Градієнтний спуск — як модель навчається","\u002Fai-python\u002Flinear-regression\u002Fgradient-descent","16.ai-python\u002F06.linear-regression\u002F03.gradient-descent",{"title":3750,"path":3751,"stem":3752},"Множинна лінійна регресія — модель з багатьма ознаками","\u002Fai-python\u002Flinear-regression\u002Fmultiple-regression","16.ai-python\u002F06.linear-regression\u002F04.multiple-regression",{"title":3754,"path":3755,"stem":3756},"Практичні завдання та резюме модуля","\u002Fai-python\u002Flinear-regression\u002Fpractice","16.ai-python\u002F06.linear-regression\u002F05.practice",{"title":3758,"path":3759,"stem":3760,"children":3761,"page":59},"Practical Regression","\u002Fai-python\u002Fpractical-regression","16.ai-python\u002F07.practical-regression",[3762,3766,3770,3774,3778,3782,3786],{"title":3763,"path":3764,"stem":3765},"Знайомство з scikit-learn","\u002Fai-python\u002Fpractical-regression\u002Fintro-scikit-learn","16.ai-python\u002F07.practical-regression\u002F01.intro-scikit-learn",{"title":3767,"path":3768,"stem":3769},"Exploratory Data Analysis датасету Housing Prices","\u002Fai-python\u002Fpractical-regression\u002Fhousing-dataset-eda","16.ai-python\u002F07.practical-regression\u002F02.housing-dataset-eda",{"title":3771,"path":3772,"stem":3773},"Попередня обробка даних (Data Preprocessing)","\u002Fai-python\u002Fpractical-regression\u002Fdata-preprocessing","16.ai-python\u002F07.practical-regression\u002F03.data-preprocessing",{"title":3775,"path":3776,"stem":3777},"Train\u002FTest Split та перша повноцінна модель","\u002Fai-python\u002Fpractical-regression\u002Ftrain-test-split","16.ai-python\u002F07.practical-regression\u002F04.train-test-split",{"title":3779,"path":3780,"stem":3781},"Перенавчання та недонавчання","\u002Fai-python\u002Fpractical-regression\u002Foverfitting-underfitting","16.ai-python\u002F07.practical-regression\u002F05.overfitting-underfitting",{"title":3783,"path":3784,"stem":3785},"Крос-валідація (Cross-Validation)","\u002Fai-python\u002Fpractical-regression\u002Fcross-validation","16.ai-python\u002F07.practical-regression\u002F06.cross-validation",{"title":3787,"path":3788,"stem":3789},"Гіперпараметри та їх оптимізація","\u002Fai-python\u002Fpractical-regression\u002Fhyperparameter-tuning","16.ai-python\u002F07.practical-regression\u002F07.hyperparameter-tuning",{"title":3791,"path":3792,"stem":3793,"children":3794,"page":59},"Polynomial Regression","\u002Fai-python\u002Fpolynomial-regression","16.ai-python\u002F08.polynomial-regression",[3795,3799,3803],{"title":3796,"path":3797,"stem":3798},"Нелінійні залежності та поліноміальна регресія","\u002Fai-python\u002Fpolynomial-regression\u002Fnonlinear-patterns","16.ai-python\u002F08.polynomial-regression\u002F01.nonlinear-patterns",{"title":3800,"path":3801,"stem":3802},"Регуляризація в регресії — Ridge та Lasso","\u002Fai-python\u002Fpolynomial-regression\u002Fregularization-methods","16.ai-python\u002F08.polynomial-regression\u002F02.regularization-methods",{"title":3804,"path":3805,"stem":3806},"Практика — поліноміальна регресія та регуляризація на Housing Prices","\u002Fai-python\u002Fpolynomial-regression\u002Fhousing-prices-practice","16.ai-python\u002F08.polynomial-regression\u002F03.housing-prices-practice",{"title":3808,"path":3809,"stem":3810,"children":3811,"page":59},"Decision Trees Random Forest","\u002Fai-python\u002Fdecision-trees-random-forest","16.ai-python\u002F09.decision-trees-random-forest",[3812,3816],{"title":3813,"path":3814,"stem":3815},"Дерева рішень — інтерпретабельні моделі машинного навчання","\u002Fai-python\u002Fdecision-trees-random-forest\u002Fdecision-trees","16.ai-python\u002F09.decision-trees-random-forest\u002F01.decision-trees",{"title":3817,"path":3818,"stem":3819},"Random Forest — ансамблі дерев рішень","\u002Fai-python\u002Fdecision-trees-random-forest\u002Frandom-forest","16.ai-python\u002F09.decision-trees-random-forest\u002F02.random-forest",{"title":3821,"path":3822,"stem":3823,"children":3824,"page":59},"Gradient Boosting","\u002Fai-python\u002Fgradient-boosting","16.ai-python\u002F10.gradient-boosting",[3825],{"title":3826,"path":3827,"stem":3828},"Градієнтний бустинг та XGBoost — послідовне виправлення помилок","\u002Fai-python\u002Fgradient-boosting\u002Fgradient-boosting-xgboost","16.ai-python\u002F10.gradient-boosting\u002F01.gradient-boosting-xgboost",{"title":3830,"path":3831,"stem":3832,"children":3833,"page":59},"Logistic Regression Classification","\u002Fai-python\u002Flogistic-regression-classification","16.ai-python\u002F11.logistic-regression-classification",[3834,3838],{"title":3835,"path":3836,"stem":3837},"Вступ до класифікації та логістична регресія","\u002Fai-python\u002Flogistic-regression-classification\u002Fclassification-basics","16.ai-python\u002F11.logistic-regression-classification\u002F01.classification-basics",{"title":3839,"path":3840,"stem":3841},"Метрики якості класифікації — Confusion Matrix, Precision, Recall, F1","\u002Fai-python\u002Flogistic-regression-classification\u002Fclassification-metrics","16.ai-python\u002F11.logistic-regression-classification\u002F02.classification-metrics",{"title":3843,"path":3844,"stem":3845,"children":3846,"page":59},"Neural Networks Basics","\u002Fai-python\u002Fneural-networks-basics","16.ai-python\u002F12.neural-networks-basics",[3847],{"title":3848,"path":3849,"stem":3850},"Вступ до нейронних мереж — від персептрона до багатошарових мереж","\u002Fai-python\u002Fneural-networks-basics\u002Fperceptron-to-mlp","16.ai-python\u002F12.neural-networks-basics\u002F01.perceptron-to-mlp",{"title":3852,"path":3853,"stem":3854,"children":3855,"page":59},"Pytorch Intro","\u002Fai-python\u002Fpytorch-intro","16.ai-python\u002F13.pytorch-intro",[3856,3860,3864,3868],{"title":3857,"path":3858,"stem":3859},"Тензори та автоматичне диференціювання в PyTorch","\u002Fai-python\u002Fpytorch-intro\u002Ftensors-and-autograd","16.ai-python\u002F13.pytorch-intro\u002F01.tensors-and-autograd",{"title":3861,"path":3862,"stem":3863},"Побудова та тренування нейронних мереж у PyTorch","\u002Fai-python\u002Fpytorch-intro\u002Fbuilding-and-training","16.ai-python\u002F13.pytorch-intro\u002F02.building-and-training",{"title":3865,"path":3866,"stem":3867},"Робота з даними та регуляризація в PyTorch","\u002Fai-python\u002Fpytorch-intro\u002Fdata-and-regularization","16.ai-python\u002F13.pytorch-intro\u002F03.data-and-regularization",{"title":3869,"path":3870,"stem":3871},"Просунуті теми PyTorch — GPU, оптимізація та deployment","\u002Fai-python\u002Fpytorch-intro\u002Fadvanced-topics","16.ai-python\u002F13.pytorch-intro\u002F04.advanced-topics",{"title":3873,"path":3874,"stem":3875,"children":3876,"page":59},"Activation Functions Heart Disease","\u002Fai-python\u002Factivation-functions-heart-disease","16.ai-python\u002F14.activation-functions-heart-disease",[3877,3881],{"title":3878,"path":3879,"stem":3880},"Функції активації та побудова нейронної мережі для передбачення вад серця","\u002Fai-python\u002Factivation-functions-heart-disease\u002Fheart-disease-prediction","16.ai-python\u002F14.activation-functions-heart-disease\u002F01.heart-disease-prediction",{"title":3882,"path":3883,"stem":3884},"Бонус — Повний приклад Student Performance Prediction","\u002Fai-python\u002Factivation-functions-heart-disease\u002Fstudent-performance-bonus","16.ai-python\u002F14.activation-functions-heart-disease\u002F02.student-performance-bonus",{"title":3886,"path":3887,"stem":3888,"children":3889,"page":59},"Cnn Image Classification","\u002Fai-python\u002Fcnn-image-classification","16.ai-python\u002F15.cnn-image-classification",[3890,3894,3898,3902],{"title":3891,"path":3892,"stem":3893},"Основи згорткових нейронних мереж — чому не MLP?","\u002Fai-python\u002Fcnn-image-classification\u002Fcnn-fundamentals","16.ai-python\u002F15.cnn-image-classification\u002F01.cnn-fundamentals",{"title":3895,"path":3896,"stem":3897},"Практична імплементація CNN для класифікації MNIST","\u002Fai-python\u002Fcnn-image-classification\u002Fmnist-classification","16.ai-python\u002F15.cnn-image-classification\u002F02.mnist-classification",{"title":3899,"path":3900,"stem":3901},"Глибші CNN та аугментація даних для CIFAR-10","\u002Fai-python\u002Fcnn-image-classification\u002Fcifar10-and-data-augmentation","16.ai-python\u002F15.cnn-image-classification\u002F03.cifar10-and-data-augmentation",{"title":3903,"path":3904,"stem":3905},"Transfer Learning та візуалізація внутрішніх представлень CNN","\u002Fai-python\u002Fcnn-image-classification\u002Ftransfer-learning-and-visualization","16.ai-python\u002F15.cnn-image-classification\u002F04.transfer-learning-and-visualization",{"title":3907,"path":3908,"stem":3909,"children":3910,"page":59},"Batching Normalization Deep Networks","\u002Fai-python\u002Fbatching-normalization-deep-networks","16.ai-python\u002F16.batching-normalization-deep-networks",[3911,3915,3919,3923,3927,3931,3935],{"title":3912,"path":3913,"stem":3914},"Mini-batch Gradient Descent та ефективна обробка даних","\u002Fai-python\u002Fbatching-normalization-deep-networks\u002Fmini-batch-gradient-descent","16.ai-python\u002F16.batching-normalization-deep-networks\u002F01.mini-batch-gradient-descent",{"title":3916,"path":3917,"stem":3918},"Ініціалізація ваг — фундамент стабільного навчання","\u002Fai-python\u002Fbatching-normalization-deep-networks\u002Fweight-initialization","16.ai-python\u002F16.batching-normalization-deep-networks\u002F02.weight-initialization",{"title":3920,"path":3921,"stem":3922},"Batch Normalization — прорив у глибокому навчанні","\u002Fai-python\u002Fbatching-normalization-deep-networks\u002Fbatch-normalization","16.ai-python\u002F16.batching-normalization-deep-networks\u002F03.batch-normalization",{"title":3924,"path":3925,"stem":3926},"Dropout та комбіновані стратегії регуляризації","\u002Fai-python\u002Fbatching-normalization-deep-networks\u002Fdropout-and-regularization","16.ai-python\u002F16.batching-normalization-deep-networks\u002F04.dropout-and-regularization",{"title":3928,"path":3929,"stem":3930},"Проєктування глибоких мереж — від теорії до практики","\u002Fai-python\u002Fbatching-normalization-deep-networks\u002Fdeep-networks-architectures","16.ai-python\u002F16.batching-normalization-deep-networks\u002F05.deep-networks-architectures",{"title":3932,"path":3933,"stem":3934},"Планування learning rate — коли та як зменшувати крок навчання","\u002Fai-python\u002Fbatching-normalization-deep-networks\u002Flearning-rate-scheduling","16.ai-python\u002F16.batching-normalization-deep-networks\u002F06.learning-rate-scheduling",{"title":3936,"path":3937,"stem":3938},"Підсумковий проєкт — побудова сучасного класифікатора зображень","\u002Fai-python\u002Fbatching-normalization-deep-networks\u002Ffinal-project-deep-classifier","16.ai-python\u002F16.batching-normalization-deep-networks\u002F07.final-project-deep-classifier",{"title":3940,"icon":658,"path":3941,"stem":3942,"children":3943,"page":59},"Клієнт-серверна архітектура","\u002Fclient-server-architecture","17.client-server-architecture",[3944,3948,3952,3956,3960,3964,3968,3972,3976,3980,3984,3988,3992,3996,4000,4004,4008,4012],{"title":3945,"path":3946,"stem":3947},"Архітектура клієнт-серверних систем та основи Go","\u002Fclient-server-architecture\u002Fclient-server-architecture-and-go","17.client-server-architecture\u002F01.client-server-architecture-and-go",{"title":3949,"path":3950,"stem":3951},"Система типів та модель пам’яті мови Go","\u002Fclient-server-architecture\u002Ftype-system-and-memory-model","17.client-server-architecture\u002F02.type-system-and-memory-model",{"title":3953,"path":3954,"stem":3955},"Інтерфейси та модель конкурентності мови Go","\u002Fclient-server-architecture\u002Finterfaces-and-concurrency-model","17.client-server-architecture\u002F03.interfaces-and-concurrency-model",{"title":3957,"path":3958,"stem":3959},"Сокетне програмування та протокол TCP у Go","\u002Fclient-server-architecture\u002Ftcp-socket-programming","17.client-server-architecture\u002F04.tcp-socket-programming",{"title":3961,"path":3962,"stem":3963},"Протокол UDP та датаграмна передача даних","\u002Fclient-server-architecture\u002Fudp-datagram-transmission","17.client-server-architecture\u002F05.udp-datagram-transmission",{"title":3965,"path":3966,"stem":3967},"Криптографічний захист каналів зв","\u002Fclient-server-architecture\u002Ftls-cryptographic-channel-protection","17.client-server-architecture\u002F06.tls-cryptographic-channel-protection",{"title":3969,"path":3970,"stem":3971},"Прикладні мережеві протоколи DNS та SMTP","\u002Fclient-server-architecture\u002Fdns-smtp-application-protocols","17.client-server-architecture\u002F07.dns-smtp-application-protocols",{"title":3973,"path":3974,"stem":3975},"Протокол HTTP та стандартний вебсервер Go","\u002Fclient-server-architecture\u002Fhttp-protocol-and-web-server","17.client-server-architecture\u002F08.http-protocol-and-web-server",{"title":3977,"path":3978,"stem":3979},"Проєктування REST API та маршрутизація засобами Chi","\u002Fclient-server-architecture\u002Frest-api-design-and-chi-routing","17.client-server-architecture\u002F09.rest-api-design-and-chi-routing",{"title":3981,"path":3982,"stem":3983},"Лекція 10. Шарувата архітектура та конвеєри обробки запитів","\u002Fclient-server-architecture\u002Flayered-architecture-and-middleware-pipelines","17.client-server-architecture\u002F10.layered-architecture-and-middleware-pipelines",{"title":3985,"path":3986,"stem":3987},"Лекція 11. Архітектура та маршрутизація фреймворку Gin","\u002Fclient-server-architecture\u002Fgin-framework-architecture-and-routing","17.client-server-architecture\u002F11.gin-framework-architecture-and-routing",{"title":3989,"path":3990,"stem":3991},"Лекція 12. Валідація даних, безпека та документування у Gin","\u002Fclient-server-architecture\u002Fdata-validation-security-and-documentation-in-gin","17.client-server-architecture\u002F12.data-validation-security-and-documentation-in-gin",{"title":3993,"path":3994,"stem":3995},"Лекція 13. Взаємодія з реляційними СУБД та технології ORM","\u002Fclient-server-architecture\u002Frelational-databases-and-orm","17.client-server-architecture\u002F13.relational-databases-and-orm",{"title":3997,"path":3998,"stem":3999},"Потокова передача даних та протокол WebSocket","\u002Fclient-server-architecture\u002Fstreaming-data-and-websockets","17.client-server-architecture\u002F14.streaming-data-and-websockets",{"title":4001,"path":4002,"stem":4003},"Міжсервісна взаємодія на основі протоколу gRPC","\u002Fclient-server-architecture\u002Fgrpc-inter-service-communication","17.client-server-architecture\u002F15.grpc-inter-service-communication",{"title":4005,"path":4006,"stem":4007},"Асинхронний обмін повідомленнями та протоколи черг","\u002Fclient-server-architecture\u002Fasynchronous-message-exchange-and-queue-protocols","17.client-server-architecture\u002F16.asynchronous-message-exchange-and-queue-protocols",{"title":4009,"path":4010,"stem":4011},"Протоколи потокового медіа та технологія WebRTC","\u002Fclient-server-architecture\u002Fstreaming-media-protocols-and-webrtc","17.client-server-architecture\u002F17.streaming-media-protocols-and-webrtc",{"title":4013,"path":4014,"stem":4015},"Моніторинг, безпека та контейнеризація застосунків","\u002Fclient-server-architecture\u002Fmonitoring-security-and-containerization","17.client-server-architecture\u002F18.monitoring-security-and-containerization",{"title":4017,"icon":2074,"path":4018,"stem":4019,"children":4020,"page":59},"Розробка WEB-застосувань","\u002Fweb-development","18.web-development",[4021,4066,4104,4133,4162,4219,4269,4363,4429,4511,4544,4572,4614,4660,4703],{"title":4022,"icon":658,"path":4023,"stem":4024,"children":4025,"page":59},"Архітектура комп'ютерних мереж та мережеві протоколи","\u002Fweb-development\u002Fnetwork-architecture-and-protocols","18.web-development\u002F01.network-architecture-and-protocols",[4026,4030,4034,4038,4042,4046,4050,4054,4058,4062],{"title":4027,"path":4028,"stem":4029},"Еволюція веброзробки та модель клієнт-сервер","\u002Fweb-development\u002Fnetwork-architecture-and-protocols\u002Fweb-evolution-client-server","18.web-development\u002F01.network-architecture-and-protocols\u002F01.web-evolution-client-server",{"title":4031,"path":4032,"stem":4033},"Еталонна модель OSI","\u002Fweb-development\u002Fnetwork-architecture-and-protocols\u002Fosi-model","18.web-development\u002F01.network-architecture-and-protocols\u002F02.osi-model",{"title":4035,"path":4036,"stem":4037},"Стек протоколів TCP\u002FIP","\u002Fweb-development\u002Fnetwork-architecture-and-protocols\u002Ftcp-ip-stack","18.web-development\u002F01.network-architecture-and-protocols\u002F03.tcp-ip-stack",{"title":4039,"path":4040,"stem":4041},"IP-адресація, порти та сокети","\u002Fweb-development\u002Fnetwork-architecture-and-protocols\u002Fip-addressing-ports-sockets","18.web-development\u002F01.network-architecture-and-protocols\u002F04.ip-addressing-ports-sockets",{"title":4043,"path":4044,"stem":4045},"Протоколи TCP та UDP","\u002Fweb-development\u002Fnetwork-architecture-and-protocols\u002Ftcp-udp-protocols","18.web-development\u002F01.network-architecture-and-protocols\u002F05.tcp-udp-protocols",{"title":4047,"path":4048,"stem":4049},"Система доменних імен DNS","\u002Fweb-development\u002Fnetwork-architecture-and-protocols\u002Fdns-system","18.web-development\u002F01.network-architecture-and-protocols\u002F06.dns-system",{"title":4051,"path":4052,"stem":4053},"Протокол SMTP та поштові протоколи","\u002Fweb-development\u002Fnetwork-architecture-and-protocols\u002Fsmtp-email-protocols","18.web-development\u002F01.network-architecture-and-protocols\u002F07.smtp-email-protocols",{"title":4055,"path":4056,"stem":4057},"Протокол WebSocket","\u002Fweb-development\u002Fnetwork-architecture-and-protocols\u002Fwebsocket-protocol","18.web-development\u002F01.network-architecture-and-protocols\u002F08.websocket-protocol",{"title":4059,"path":4060,"stem":4061},"Протокол SSH","\u002Fweb-development\u002Fnetwork-architecture-and-protocols\u002Fssh-protocol","18.web-development\u002F01.network-architecture-and-protocols\u002F09.ssh-protocol",{"title":4063,"path":4064,"stem":4065},"Огляд сучасних серверних технологій","\u002Fweb-development\u002Fnetwork-architecture-and-protocols\u002Fmodern-backend-technologies","18.web-development\u002F01.network-architecture-and-protocols\u002F10.modern-backend-technologies",{"title":4067,"icon":4068,"path":4069,"stem":4070,"children":4071,"page":59},"Протокол HTTP та захищена передача даних HTTPS","i-lucide-lock","\u002Fweb-development\u002Fhttp-and-https","18.web-development\u002F02.http-and-https",[4072,4076,4080,4084,4088,4092,4096,4100],{"title":4073,"path":4074,"stem":4075},"Вступ до протоколу HTTP та еволюція веб-технологій","\u002Fweb-development\u002Fhttp-and-https\u002Fintroduction-and-evolution","18.web-development\u002F02.http-and-https\u002F01.introduction-and-evolution",{"title":4077,"path":4078,"stem":4079},"Анатомія HTTP-запиту","\u002Fweb-development\u002Fhttp-and-https\u002Fhttp-request-structure","18.web-development\u002F02.http-and-https\u002F02.http-request-structure",{"title":4081,"path":4082,"stem":4083},"Анатомія HTTP-відповіді","\u002Fweb-development\u002Fhttp-and-https\u002Fhttp-response-structure","18.web-development\u002F02.http-and-https\u002F03.http-response-structure",{"title":4085,"path":4086,"stem":4087},"Методи HTTP та їхня семантика","\u002Fweb-development\u002Fhttp-and-https\u002Fhttp-methods","18.web-development\u002F02.http-and-https\u002F04.http-methods",{"title":4089,"path":4090,"stem":4091},"Коди статусу HTTP та їхнє призначення","\u002Fweb-development\u002Fhttp-and-https\u002Fhttp-status-codes","18.web-development\u002F02.http-and-https\u002F05.http-status-codes",{"title":4093,"path":4094,"stem":4095},"HTTP-заголовки та їхнє призначення","\u002Fweb-development\u002Fhttp-and-https\u002Fhttp-headers","18.web-development\u002F02.http-and-https\u002F06.http-headers",{"title":4097,"path":4098,"stem":4099},"CORS та механізми безпеки HTTP","\u002Fweb-development\u002Fhttp-and-https\u002Fcors-and-security","18.web-development\u002F02.http-and-https\u002F07.cors-and-security",{"title":4101,"path":4102,"stem":4103},"HTTPS та криптографічні основи TLS","\u002Fweb-development\u002Fhttp-and-https\u002Fhttps-and-tls","18.web-development\u002F02.http-and-https\u002F08.https-and-tls",{"title":4105,"icon":2454,"path":4106,"stem":4107,"children":4108,"page":59},"Система типів мови TypeScript","\u002Fweb-development\u002Ftypescript-type-system","18.web-development\u002F03.typescript-type-system",[4109,4113,4117,4121,4125,4129],{"title":4110,"path":4111,"stem":4112},"Знайомство з TypeScript Compiler","\u002Fweb-development\u002Ftypescript-type-system\u002Fintroduction-compiler-config","18.web-development\u002F03.typescript-type-system\u002F01.introduction-compiler-config",{"title":4114,"path":4115,"stem":4116},"Примітивні типи даних: string, number, boolean","\u002Fweb-development\u002Ftypescript-type-system\u002Fprimitive-special-types","18.web-development\u002F03.typescript-type-system\u002F02.primitive-special-types",{"title":4118,"path":4119,"stem":4120},"Масиви, кортежі та об","\u002Fweb-development\u002Ftypescript-type-system\u002Farrays-tuples-objects","18.web-development\u002F03.typescript-type-system\u002F03.arrays-tuples-objects",{"title":4122,"path":4123,"stem":4124},"Псевдоніми типів, Union типи, Intersection типи та літеральні типи","\u002Fweb-development\u002Ftypescript-type-system\u002Funion-intersection-literals","18.web-development\u002F03.typescript-type-system\u002F04.union-intersection-literals",{"title":4126,"path":4127,"stem":4128},"Type Narrowing (звуження типів)","\u002Fweb-development\u002Ftypescript-type-system\u002Ftype-narrowing","18.web-development\u002F03.typescript-type-system\u002F05.type-narrowing",{"title":4130,"path":4131,"stem":4132},"Типізація функцій","\u002Fweb-development\u002Ftypescript-type-system\u002Ffunctions-typing","18.web-development\u002F03.typescript-type-system\u002F06.functions-typing",{"title":4134,"icon":2454,"path":4135,"stem":4136,"children":4137,"page":59},"Розширені засоби мови TypeScript","\u002Fweb-development\u002Ftypescript-advanced","18.web-development\u002F04.typescript-advanced",[4138,4142,4146,4150,4154,4158],{"title":4139,"path":4140,"stem":4141},"Interfaces та Classes","\u002Fweb-development\u002Ftypescript-advanced\u002Finterfaces-classes","18.web-development\u002F04.typescript-advanced\u002F01.interfaces-classes",{"title":4143,"path":4144,"stem":4145},"Основи Generic типів","\u002Fweb-development\u002Ftypescript-advanced\u002Fgenerics-fundamentals","18.web-development\u002F04.typescript-advanced\u002F02.generics-fundamentals",{"title":4147,"path":4148,"stem":4149},"Enums та Decorators","\u002Fweb-development\u002Ftypescript-advanced\u002Fenums-decorators","18.web-development\u002F04.typescript-advanced\u002F03.enums-decorators",{"title":4151,"path":4152,"stem":4153},"Utility Types","\u002Fweb-development\u002Ftypescript-advanced\u002Futility-types","18.web-development\u002F04.typescript-advanced\u002F04.utility-types",{"title":4155,"path":4156,"stem":4157},"Mapped та Conditional Types","\u002Fweb-development\u002Ftypescript-advanced\u002Fmapped-conditional-types","18.web-development\u002F04.typescript-advanced\u002F05.mapped-conditional-types",{"title":4159,"path":4160,"stem":4161},"Модулі та Strict Mode","\u002Fweb-development\u002Ftypescript-advanced\u002Fmodules-strict-mode","18.web-development\u002F04.typescript-advanced\u002F06.modules-strict-mode",{"title":4163,"icon":4164,"path":4165,"stem":4166,"children":4167,"page":59},"Платформа Node.js як середовище виконання","i-devicon-nodejs","\u002Fweb-development\u002Fnodejs-platform","18.web-development\u002F05.nodejs-platform",[4168,4172,4176,4180,4184,4188,4192,4196,4200,4204,4208,4211,4215],{"title":4169,"path":4170,"stem":4171},"Що таке Node.js та його архітектура","\u002Fweb-development\u002Fnodejs-platform\u002Fwhat-is-nodejs","18.web-development\u002F05.nodejs-platform\u002F01.what-is-nodejs",{"title":4173,"path":4174,"stem":4175},"Event Loop — серце Node.js","\u002Fweb-development\u002Fnodejs-platform\u002Fevent-loop","18.web-development\u002F05.nodejs-platform\u002F02.event-loop",{"title":4177,"path":4178,"stem":4179},"Модульні системи: CommonJS vs ES Modules","\u002Fweb-development\u002Fnodejs-platform\u002Fmodule-systems","18.web-development\u002F05.nodejs-platform\u002F03.module-systems",{"title":4181,"path":4182,"stem":4183},"npm та package.json","\u002Fweb-development\u002Fnodejs-platform\u002Fnpm-package-json","18.web-development\u002F05.nodejs-platform\u002F04.npm-package-json",{"title":4185,"path":4186,"stem":4187},"Глобальні об\\","\u002Fweb-development\u002Fnodejs-platform\u002Fglobal-objects","18.web-development\u002F05.nodejs-platform\u002F05.global-objects",{"title":4189,"path":4190,"stem":4191},"Вбудований модуль fs (File System)","\u002Fweb-development\u002Fnodejs-platform\u002Fbuilt-in-modules-fs","18.web-development\u002F05.nodejs-platform\u002F06.built-in-modules-fs",{"title":4193,"path":4194,"stem":4195},"Вбудований модуль path","\u002Fweb-development\u002Fnodejs-platform\u002Fbuilt-in-modules-path","18.web-development\u002F05.nodejs-platform\u002F07.built-in-modules-path",{"title":4197,"path":4198,"stem":4199},"Вбудований модуль http","\u002Fweb-development\u002Fnodejs-platform\u002Fbuilt-in-modules-http","18.web-development\u002F05.nodejs-platform\u002F08.built-in-modules-http",{"title":4201,"path":4202,"stem":4203},"Streams — потоки даних у Node.js","\u002Fweb-development\u002Fnodejs-platform\u002Fstreams","18.web-development\u002F05.nodejs-platform\u002F09.streams",{"title":4205,"path":4206,"stem":4207},"Вбудований модуль util (Utilities)","\u002Fweb-development\u002Fnodejs-platform\u002Fbuilt-in-modules-util","18.web-development\u002F05.nodejs-platform\u002F10.built-in-modules-util",{"title":3097,"path":4209,"stem":4210},"\u002Fweb-development\u002Fnodejs-platform\u002Fenvironment-variables","18.web-development\u002F05.nodejs-platform\u002F11.environment-variables",{"title":4212,"path":4213,"stem":4214},"Інструменти налагодження та розробки","\u002Fweb-development\u002Fnodejs-platform\u002Fdebugging-tools","18.web-development\u002F05.nodejs-platform\u002F12.debugging-tools",{"title":4216,"path":4217,"stem":4218},"Продуктивність та Best Practices","\u002Fweb-development\u002Fnodejs-platform\u002Fperformance-best-practices","18.web-development\u002F05.nodejs-platform\u002F13.performance-best-practices",{"title":4220,"icon":4221,"path":4222,"stem":4223,"children":4224,"page":59},"Асинхронне програмування у Node.js","i-lucide-clock","\u002Fweb-development\u002Fasync-programming-nodejs","18.web-development\u002F06.async-programming-nodejs",[4225,4229,4233,4237,4241,4245,4249,4253,4257,4261,4265],{"title":4226,"path":4227,"stem":4228},"Синхронний vs асинхронний код","\u002Fweb-development\u002Fasync-programming-nodejs\u002Fsync-vs-async","18.web-development\u002F06.async-programming-nodejs\u002F01.sync-vs-async",{"title":4230,"path":4231,"stem":4232},"Callbacks — перша парадигма асинхронності","\u002Fweb-development\u002Fasync-programming-nodejs\u002Fcallbacks","18.web-development\u002F06.async-programming-nodejs\u002F02.callbacks",{"title":4234,"path":4235,"stem":4236},"Promises — стандарт асинхронності","\u002Fweb-development\u002Fasync-programming-nodejs\u002Fpromises","18.web-development\u002F06.async-programming-nodejs\u002F03.promises",{"title":4238,"path":4239,"stem":4240},"Promise комбінатори","\u002Fweb-development\u002Fasync-programming-nodejs\u002Fpromise-combinators","18.web-development\u002F06.async-programming-nodejs\u002F04.promise-combinators",{"title":4242,"path":4243,"stem":4244},"Async\u002FAwait — синтаксичний цукор над Promises","\u002Fweb-development\u002Fasync-programming-nodejs\u002Fasync-await","18.web-development\u002F06.async-programming-nodejs\u002F05.async-await",{"title":4246,"path":4247,"stem":4248},"Паралельне vs послідовне виконання","\u002Fweb-development\u002Fasync-programming-nodejs\u002Fparallel-vs-sequential","18.web-development\u002F06.async-programming-nodejs\u002F06.parallel-vs-sequential",{"title":4250,"path":4251,"stem":4252},"EventEmitter — подієва модель Node.js","\u002Fweb-development\u002Fasync-programming-nodejs\u002Fevent-emitter","18.web-development\u002F06.async-programming-nodejs\u002F07.event-emitter",{"title":4254,"path":4255,"stem":4256},"Worker Threads — багатопотоковість у Node.js","\u002Fweb-development\u002Fasync-programming-nodejs\u002Fworker-threads","18.web-development\u002F06.async-programming-nodejs\u002F08.worker-threads",{"title":4258,"path":4259,"stem":4260},"Child Processes — запуск зовнішніх процесів","\u002Fweb-development\u002Fasync-programming-nodejs\u002Fchild-processes","18.web-development\u002F06.async-programming-nodejs\u002F09.child-processes",{"title":4262,"path":4263,"stem":4264},"Обробка помилок у асинхронному коді","\u002Fweb-development\u002Fasync-programming-nodejs\u002Ferror-handling","18.web-development\u002F06.async-programming-nodejs\u002F10.error-handling",{"title":4266,"path":4267,"stem":4268},"Порівняння Node.js фреймворків","\u002Fweb-development\u002Fasync-programming-nodejs\u002Fnodejs-frameworks","18.web-development\u002F06.async-programming-nodejs\u002F11.nodejs-frameworks",{"title":4270,"icon":4271,"path":4272,"stem":4273,"children":4274,"page":59},"Тема 7. Фреймворк NestJS. Контролери та маршрутизація","i-lucide-route","\u002Fweb-development\u002Fnestjs-controllers-routing","18.web-development\u002F07.nestjs-controllers-routing",[4275,4279,4283,4287,4291,4295,4299,4303,4307,4311,4315,4319,4323,4327,4331,4335,4339,4343,4347,4351,4355,4359],{"title":4276,"path":4277,"stem":4278},"Філософія та архітектура NestJS","\u002Fweb-development\u002Fnestjs-controllers-routing\u002Fnestjs-philosophy","18.web-development\u002F07.nestjs-controllers-routing\u002F01.nestjs-philosophy",{"title":4280,"path":4281,"stem":4282},"Три стовпи архітектури: модулі, контролери, провайдери","\u002Fweb-development\u002Fnestjs-controllers-routing\u002Fthree-pillars","18.web-development\u002F07.nestjs-controllers-routing\u002F02.three-pillars",{"title":4284,"path":4285,"stem":4286},"Інверсія керування (IoC) та ін","\u002Fweb-development\u002Fnestjs-controllers-routing\u002Fioc-and-di","18.web-development\u002F07.nestjs-controllers-routing\u002F03.ioc-and-di",{"title":4288,"path":4289,"stem":4290},"Встановлення NestJS CLI та створення проєкту","\u002Fweb-development\u002Fnestjs-controllers-routing\u002Fnestjs-cli-setup","18.web-development\u002F07.nestjs-controllers-routing\u002F04.nestjs-cli-setup",{"title":4292,"path":4293,"stem":4294},"Структура проєкту NestJS та конвенції","\u002Fweb-development\u002Fnestjs-controllers-routing\u002Fproject-structure","18.web-development\u002F07.nestjs-controllers-routing\u002F05.project-structure",{"title":4296,"path":4297,"stem":4298},"Контролери: основи маршрутизації","\u002Fweb-development\u002Fnestjs-controllers-routing\u002Fcontrollers-basics","18.web-development\u002F07.nestjs-controllers-routing\u002F06.controllers-basics",{"title":4300,"path":4301,"stem":4302},"Декоратори маршрутизації HTTP-методів","\u002Fweb-development\u002Fnestjs-controllers-routing\u002Froute-decorators","18.web-development\u002F07.nestjs-controllers-routing\u002F07.route-decorators",{"title":4304,"path":4305,"stem":4306},"Параметри маршруту та декоратор @Param","\u002Fweb-development\u002Fnestjs-controllers-routing\u002Froute-parameters","18.web-development\u002F07.nestjs-controllers-routing\u002F08.route-parameters",{"title":4308,"path":4309,"stem":4310},"Query-параметри та декоратор @Query","\u002Fweb-development\u002Fnestjs-controllers-routing\u002Fquery-parameters","18.web-development\u002F07.nestjs-controllers-routing\u002F09.query-parameters",{"title":4312,"path":4313,"stem":4314},"Тіло запиту та декоратор @Body","\u002Fweb-development\u002Fnestjs-controllers-routing\u002Frequest-body","18.web-development\u002F07.nestjs-controllers-routing\u002F10.request-body",{"title":4316,"path":4317,"stem":4318},"Робота з заголовками запиту та відповіді","\u002Fweb-development\u002Fnestjs-controllers-routing\u002Fheaders-decorators","18.web-development\u002F07.nestjs-controllers-routing\u002F11.headers-decorators",{"title":4320,"path":4321,"stem":4322},"Data Transfer Objects (DTO): визначення та призначення","\u002Fweb-development\u002Fnestjs-controllers-routing\u002Fdto-introduction","18.web-development\u002F07.nestjs-controllers-routing\u002F12.dto-introduction",{"title":4324,"path":4325,"stem":4326},"Об'єкти Request та Response","\u002Fweb-development\u002Fnestjs-controllers-routing\u002Frequest-response-objects","18.web-development\u002F07.nestjs-controllers-routing\u002F13.request-response-objects",{"title":4328,"path":4329,"stem":4330},"HTTP-статус коди та декоратор @HttpCode","\u002Fweb-development\u002Fnestjs-controllers-routing\u002Fhttp-status-codes","18.web-development\u002F07.nestjs-controllers-routing\u002F14.http-status-codes",{"title":4332,"path":4333,"stem":4334},"Перенаправлення (Redirects) та декоратор @Redirect","\u002Fweb-development\u002Fnestjs-controllers-routing\u002Fredirects","18.web-development\u002F07.nestjs-controllers-routing\u002F15.redirects",{"title":4336,"path":4337,"stem":4338},"Асинхронні обробники та Observables","\u002Fweb-development\u002Fnestjs-controllers-routing\u002Fasync-handlers","18.web-development\u002F07.nestjs-controllers-routing\u002F16.async-handlers",{"title":4340,"path":4341,"stem":4342},"Маршрутизація за піддоменами та версіонування API","\u002Fweb-development\u002Fnestjs-controllers-routing\u002Fsub-domain-routing","18.web-development\u002F07.nestjs-controllers-routing\u002F17.sub-domain-routing",{"title":4344,"path":4345,"stem":4346},"Області видимості контролерів (Scopes)","\u002Fweb-development\u002Fnestjs-controllers-routing\u002Fcontroller-scopes","18.web-development\u002F07.nestjs-controllers-routing\u002F18.controller-scopes",{"title":4348,"path":4349,"stem":4350},"Основні команди NestJS CLI","\u002Fweb-development\u002Fnestjs-controllers-routing\u002Fnestjs-cli-commands","18.web-development\u002F07.nestjs-controllers-routing\u002F19.nestjs-cli-commands",{"title":4352,"path":4353,"stem":4354},"Практичний приклад: створення CRUD-контролера","\u002Fweb-development\u002Fnestjs-controllers-routing\u002Fcrud-example","18.web-development\u002F07.nestjs-controllers-routing\u002F20.crud-example",{"title":4356,"path":4357,"stem":4358},"Тестування контролерів","\u002Fweb-development\u002Fnestjs-controllers-routing\u002Ftesting-controllers","18.web-development\u002F07.nestjs-controllers-routing\u002F21.testing-controllers",{"title":4360,"path":4361,"stem":4362},"Best Practices для контролерів та маршрутизації","\u002Fweb-development\u002Fnestjs-controllers-routing\u002Fbest-practices","18.web-development\u002F07.nestjs-controllers-routing\u002F22.best-practices",{"title":4364,"icon":4365,"path":4366,"stem":4367,"children":4368,"page":59},"Тема 8. Провайдери, сервіси та модульна система NestJS","i-lucide-package","\u002Fweb-development\u002Fnestjs-providers-modules","18.web-development\u002F08.nestjs-providers-modules",[4369,4373,4377,4381,4385,4389,4393,4397,4401,4405,4409,4413,4417,4421,4425],{"title":4370,"path":4371,"stem":4372},"Концепція провайдерів у NestJS","\u002Fweb-development\u002Fnestjs-providers-modules\u002Fproviders-concept","18.web-development\u002F08.nestjs-providers-modules\u002F01.providers-concept",{"title":4374,"path":4375,"stem":4376},"Сервіси: інкапсуляція бізнес-логіки","\u002Fweb-development\u002Fnestjs-providers-modules\u002Fservices-business-logic","18.web-development\u002F08.nestjs-providers-modules\u002F02.services-business-logic",{"title":4378,"path":4379,"stem":4380},"Практика ін","\u002Fweb-development\u002Fnestjs-providers-modules\u002Fdependency-injection-practice","18.web-development\u002F08.nestjs-providers-modules\u002F03.dependency-injection-practice",{"title":4382,"path":4383,"stem":4384},"Custom Providers: useValue, useClass, useFactory, useExisting","\u002Fweb-development\u002Fnestjs-providers-modules\u002Fcustom-providers","18.web-development\u002F08.nestjs-providers-modules\u002F04.custom-providers",{"title":4386,"path":4387,"stem":4388},"Injection Tokens: рядкові та символьні токени","\u002Fweb-development\u002Fnestjs-providers-modules\u002Finjection-tokens","18.web-development\u002F08.nestjs-providers-modules\u002F05.injection-tokens",{"title":4390,"path":4391,"stem":4392},"Опціональні провайдери та декоратор @Optional","\u002Fweb-development\u002Fnestjs-providers-modules\u002Foptional-providers","18.web-development\u002F08.nestjs-providers-modules\u002F07.optional-providers",{"title":4394,"path":4395,"stem":4396},"Структура модулів: imports, controllers, providers, exports","\u002Fweb-development\u002Fnestjs-providers-modules\u002Fmodules-structure","18.web-development\u002F08.nestjs-providers-modules\u002F08.modules-structure",{"title":4398,"path":4399,"stem":4400},"Feature Modules: ізоляція функціональності","\u002Fweb-development\u002Fnestjs-providers-modules\u002Ffeature-modules","18.web-development\u002F08.nestjs-providers-modules\u002F09.feature-modules",{"title":4402,"path":4403,"stem":4404},"Shared Modules: перевикористання провайдерів","\u002Fweb-development\u002Fnestjs-providers-modules\u002Fshared-modules","18.web-development\u002F08.nestjs-providers-modules\u002F10.shared-modules",{"title":4406,"path":4407,"stem":4408},"Global Modules та декоратор @Global","\u002Fweb-development\u002Fnestjs-providers-modules\u002Fglobal-modules","18.web-development\u002F08.nestjs-providers-modules\u002F11.global-modules",{"title":4410,"path":4411,"stem":4412},"Dynamic Modules: конфігурація під час виконання","\u002Fweb-development\u002Fnestjs-providers-modules\u002Fdynamic-modules","18.web-development\u002F08.nestjs-providers-modules\u002F12.dynamic-modules",{"title":4414,"path":4415,"stem":4416},"Циклічні залежності та forwardRef","\u002Fweb-development\u002Fnestjs-providers-modules\u002Fcircular-dependencies","18.web-development\u002F08.nestjs-providers-modules\u002F13.circular-dependencies",{"title":4418,"path":4419,"stem":4420},"Lifecycle Hooks: хуки життєвого циклу","\u002Fweb-development\u002Fnestjs-providers-modules\u002Flifecycle-hooks","18.web-development\u002F08.nestjs-providers-modules\u002F14.lifecycle-hooks",{"title":4422,"path":4423,"stem":4424},"ModuleRef: динамічний доступ до провайдерів","\u002Fweb-development\u002Fnestjs-providers-modules\u002Fmodule-reference","18.web-development\u002F08.nestjs-providers-modules\u002F15.module-reference",{"title":4426,"path":4427,"stem":4428},"Тестування сервісів та провайдерів","\u002Fweb-development\u002Fnestjs-providers-modules\u002Ftesting-services","18.web-development\u002F08.nestjs-providers-modules\u002F16.testing-services",{"title":4430,"icon":4431,"path":4432,"stem":4433,"children":4434,"page":59},"Тема 9. Валідація даних та конвеєр обробки запитів у NestJS","i-lucide-filter","\u002Fweb-development\u002Fnestjs-validation-pipeline","18.web-development\u002F09.nestjs-validation-pipeline",[4435,4439,4443,4447,4451,4455,4459,4463,4467,4471,4475,4479,4483,4487,4491,4495,4499,4503,4507],{"title":4436,"path":4437,"stem":4438},"Request Pipeline: конвеєр обробки запитів","\u002Fweb-development\u002Fnestjs-validation-pipeline\u002Frequest-pipeline","18.web-development\u002F09.nestjs-validation-pipeline\u002F01.request-pipeline",{"title":4440,"path":4441,"stem":4442},"Pipes: концепція трансформації та валідації","\u002Fweb-development\u002Fnestjs-validation-pipeline\u002Fpipes-concept","18.web-development\u002F09.nestjs-validation-pipeline\u002F02.pipes-concept",{"title":4444,"path":4445,"stem":4446},"Вбудовані pipes: ParseIntPipe, ParseBoolPipe, ParseUUIDPipe","\u002Fweb-development\u002Fnestjs-validation-pipeline\u002Fbuilt-in-pipes","18.web-development\u002F09.nestjs-validation-pipeline\u002F03.built-in-pipes",{"title":4448,"path":4449,"stem":4450},"ValidationPipe: автоматична валідація DTO","\u002Fweb-development\u002Fnestjs-validation-pipeline\u002Fvalidation-pipe","18.web-development\u002F09.nestjs-validation-pipeline\u002F04.validation-pipe",{"title":4452,"path":4453,"stem":4454},"Декоратори class-validator для DTO","\u002Fweb-development\u002Fnestjs-validation-pipeline\u002Fclass-validator-decorators","18.web-development\u002F09.nestjs-validation-pipeline\u002F05.class-validator-decorators",{"title":4456,"path":4457,"stem":4458},"Створення кастомних валідаторів","\u002Fweb-development\u002Fnestjs-validation-pipeline\u002Fcustom-validators","18.web-development\u002F09.nestjs-validation-pipeline\u002F06.custom-validators",{"title":4460,"path":4461,"stem":4462},"Створення власних Pipes","\u002Fweb-development\u002Fnestjs-validation-pipeline\u002Fcustom-pipes","18.web-development\u002F09.nestjs-validation-pipeline\u002F07.custom-pipes",{"title":4464,"path":4465,"stem":4466},"Основи Middleware","\u002Fweb-development\u002Fnestjs-validation-pipeline\u002Fmiddleware-basics","18.web-development\u002F09.nestjs-validation-pipeline\u002F08.middleware-basics",{"title":4468,"path":4469,"stem":4470},"Практичні приклади Middleware","\u002Fweb-development\u002Fnestjs-validation-pipeline\u002Fmiddleware-examples","18.web-development\u002F09.nestjs-validation-pipeline\u002F09.middleware-examples",{"title":4472,"path":4473,"stem":4474},"Guards: захисні перехоплювачі доступу","\u002Fweb-development\u002Fnestjs-validation-pipeline\u002Fguards-concept","18.web-development\u002F09.nestjs-validation-pipeline\u002F10.guards-concept",{"title":4476,"path":4477,"stem":4478},"Створення кастомних Guards","\u002Fweb-development\u002Fnestjs-validation-pipeline\u002Fcustom-guards","18.web-development\u002F09.nestjs-validation-pipeline\u002F11.custom-guards",{"title":4480,"path":4481,"stem":4482},"Interceptors: перехоплення та трансформація відповідей","\u002Fweb-development\u002Fnestjs-validation-pipeline\u002Finterceptors-concept","18.web-development\u002F09.nestjs-validation-pipeline\u002F12.interceptors-concept",{"title":4484,"path":4485,"stem":4486},"Практичні приклади Interceptors","\u002Fweb-development\u002Fnestjs-validation-pipeline\u002Finterceptor-examples","18.web-development\u002F09.nestjs-validation-pipeline\u002F13.interceptor-examples",{"title":4488,"path":4489,"stem":4490},"Exception Filters: обробка виключень","\u002Fweb-development\u002Fnestjs-validation-pipeline\u002Fexception-filters","18.web-development\u002F09.nestjs-validation-pipeline\u002F14.exception-filters",{"title":4492,"path":4493,"stem":4494},"Custom Exception Filters: спеціалізовані фільтри","\u002Fweb-development\u002Fnestjs-validation-pipeline\u002Fcustom-exception-filters","18.web-development\u002F09.nestjs-validation-pipeline\u002F15.custom-exception-filters",{"title":4496,"path":4497,"stem":4498},"Execution Context: контекст виконання","\u002Fweb-development\u002Fnestjs-validation-pipeline\u002Fexecution-context","18.web-development\u002F09.nestjs-validation-pipeline\u002F16.execution-context",{"title":4500,"path":4501,"stem":4502},"Custom Decorators: власні декоратори","\u002Fweb-development\u002Fnestjs-validation-pipeline\u002Fcustom-decorators","18.web-development\u002F09.nestjs-validation-pipeline\u002F17.custom-decorators",{"title":4504,"path":4505,"stem":4506},"Global Components: глобальні компоненти","\u002Fweb-development\u002Fnestjs-validation-pipeline\u002Fglobal-components","18.web-development\u002F09.nestjs-validation-pipeline\u002F18.global-components",{"title":4508,"path":4509,"stem":4510},"Pipeline Best Practices: найкращі практики","\u002Fweb-development\u002Fnestjs-validation-pipeline\u002Fpipeline-best-practices","18.web-development\u002F09.nestjs-validation-pipeline\u002F19.pipeline-best-practices",{"title":4512,"icon":2821,"path":4513,"stem":4514,"children":4515,"page":59},"Інтеграція реляційних баз даних засобами TypeORM","\u002Fweb-development\u002Ftypeorm-integration","18.web-development\u002F10.typeorm-integration",[4516,4520,4524,4528,4532,4536,4540],{"title":4517,"path":4518,"stem":4519},"Робота з базами даних у Node.js через нативні драйвери","\u002Fweb-development\u002Ftypeorm-integration\u002F01-nodejs-database-drivers","18.web-development\u002F10.typeorm-integration\u002F01-nodejs-database-drivers",{"title":4521,"path":4522,"stem":4523},"ORM та знайомство з TypeORM","\u002Fweb-development\u002Ftypeorm-integration\u002F02-orm-and-typeorm-intro","18.web-development\u002F10.typeorm-integration\u002F02-orm-and-typeorm-intro",{"title":4525,"path":4526,"stem":4527},"Налаштування TypeORM у NestJS проєкті","\u002Fweb-development\u002Ftypeorm-integration\u002F03-typeorm-setup-nestjs","18.web-development\u002F10.typeorm-integration\u002F03-typeorm-setup-nestjs",{"title":4529,"path":4530,"stem":4531},"Entity класи та декоратори TypeORM","\u002Fweb-development\u002Ftypeorm-integration\u002F04-entities-and-decorators","18.web-development\u002F10.typeorm-integration\u002F04-entities-and-decorators",{"title":4533,"path":4534,"stem":4535},"Repository Pattern та CRUD операції","\u002Fweb-development\u002Ftypeorm-integration\u002F05-repository-pattern-crud","18.web-development\u002F10.typeorm-integration\u002F05-repository-pattern-crud",{"title":4537,"path":4538,"stem":4539},"Пагінація та фільтрація даних","\u002Fweb-development\u002Ftypeorm-integration\u002F06-pagination-filtering","18.web-development\u002F10.typeorm-integration\u002F06-pagination-filtering",{"title":4541,"path":4542,"stem":4543},"QueryBuilder для складних запитів","\u002Fweb-development\u002Ftypeorm-integration\u002F07-query-builder","18.web-development\u002F10.typeorm-integration\u002F07-query-builder",{"title":4545,"icon":4546,"path":4547,"stem":4548,"children":4549,"page":59},"Зв'язки між сутностями, міграції та оптимізація запитів","i-lucide-git-branch","\u002Fweb-development\u002Fentity-relations-migrations","18.web-development\u002F11.entity-relations-migrations",[4550,4554,4558,4562,4566],{"title":4551,"path":4552,"stem":4553},"Зв'язки One-to-Many та Many-to-One","\u002Fweb-development\u002Fentity-relations-migrations\u002F01-one-to-many-many-to-one","18.web-development\u002F11.entity-relations-migrations\u002F01-one-to-many-many-to-one",{"title":4555,"path":4556,"stem":4557},"Зв'язки One-to-One та Many-to-Many","\u002Fweb-development\u002Fentity-relations-migrations\u002F02-one-to-one-many-to-many","18.web-development\u002F11.entity-relations-migrations\u002F02-one-to-one-many-to-many",{"title":4559,"path":4560,"stem":4561},"Керування міграціями бази даних","\u002Fweb-development\u002Fentity-relations-migrations\u002F03-migrations-management","18.web-development\u002F11.entity-relations-migrations\u002F03-migrations-management",{"title":4563,"path":4564,"stem":4565},"Транзакції у TypeORM","\u002Fweb-development\u002Fentity-relations-migrations\u002F04-transactions","18.web-development\u002F11.entity-relations-migrations\u002F04-transactions",{"title":4567,"path":4568,"stem":4569,"children":4570},"Індекси та оптимізація запитів","\u002Fweb-development\u002Fentity-relations-migrations\u002F05-indexes-optimization","18.web-development\u002F11.entity-relations-migrations\u002F05-indexes-optimization",[4571],{"title":4567,"path":4568,"stem":4569},{"title":4573,"icon":4574,"path":4575,"stem":4576,"children":4577,"page":59},"Механізми автентифікації у вебзастосунках","i-lucide-key","\u002Fweb-development\u002Fauthentication","18.web-development\u002F12.authentication",[4578,4582,4586,4590,4594,4598,4602,4606,4610],{"title":4579,"path":4580,"stem":4581},"Автентифікація vs Авторизація","\u002Fweb-development\u002Fauthentication\u002F01-authentication-vs-authorization","18.web-development\u002F12.authentication\u002F01-authentication-vs-authorization",{"title":4583,"path":4584,"stem":4585},"Стратегії автентифікації","\u002Fweb-development\u002Fauthentication\u002F02-authentication-strategies","18.web-development\u002F12.authentication\u002F02-authentication-strategies",{"title":4587,"path":4588,"stem":4589},"Автентифікація на основі сесій","\u002Fweb-development\u002Fauthentication\u002F03-session-based-authentication","18.web-development\u002F12.authentication\u002F03-session-based-authentication",{"title":4591,"path":4592,"stem":4593},"Структура JSON Web Token (JWT)","\u002Fweb-development\u002Fauthentication\u002F04-jwt-structure","18.web-development\u002F12.authentication\u002F04-jwt-structure",{"title":4595,"path":4596,"stem":4597},"Інтеграція JWT у NestJS","\u002Fweb-development\u002Fauthentication\u002F05-nestjs-jwt-integration","18.web-development\u002F12.authentication\u002F05-nestjs-jwt-integration",{"title":4599,"path":4600,"stem":4601},"Passport.js стратегії у NestJS","\u002Fweb-development\u002Fauthentication\u002F06-passport-strategies","18.web-development\u002F12.authentication\u002F06-passport-strategies",{"title":4603,"path":4604,"stem":4605},"Безпечне зберігання паролів: хешування та криптографічний захист","\u002Fweb-development\u002Fauthentication\u002F07-password-hashing","18.web-development\u002F12.authentication\u002F07-password-hashing",{"title":4607,"path":4608,"stem":4609},"Refresh Token та безпечне оновлення доступу","\u002Fweb-development\u002Fauthentication\u002F08-refresh-tokens","18.web-development\u002F12.authentication\u002F08-refresh-tokens",{"title":4611,"path":4612,"stem":4613},"OAuth 2.0 та OpenID Connect: делегована автентифікація","\u002Fweb-development\u002Fauthentication\u002F09-oauth2-openid","18.web-development\u002F12.authentication\u002F09-oauth2-openid",{"title":4615,"icon":4616,"path":4617,"stem":4618,"children":4619,"page":59},"Авторизація та безпека серверних застосунків","i-lucide-shield","\u002Fweb-development\u002Fauthorization-security","18.web-development\u002F13.authorization-security",[4620,4624,4628,4632,4636,4640,4644,4648,4652,4656],{"title":4621,"path":4622,"stem":4623},"Моделі авторизації","\u002Fweb-development\u002Fauthorization-security\u002F01-authorization-models","18.web-development\u002F13.authorization-security\u002F01-authorization-models",{"title":4625,"path":4626,"stem":4627},"Реалізація RBAC у NestJS","\u002Fweb-development\u002Fauthorization-security\u002F02-rbac-implementation","18.web-development\u002F13.authorization-security\u002F02-rbac-implementation",{"title":4629,"path":4630,"stem":4631},"Permission-Based Access Control","\u002Fweb-development\u002Fauthorization-security\u002F03-permission-based-access","18.web-development\u002F13.authorization-security\u002F03-permission-based-access",{"title":4633,"path":4634,"stem":4635},"ABAC та бібліотека CASL","\u002Fweb-development\u002Fauthorization-security\u002F04-abac-casl","18.web-development\u002F13.authorization-security\u002F04-abac-casl",{"title":4637,"path":4638,"stem":4639},"Кастомні декоратори та метадані","\u002Fweb-development\u002Fauthorization-security\u002F05-custom-decorators-metadata","18.web-development\u002F13.authorization-security\u002F05-custom-decorators-metadata",{"title":4641,"path":4642,"stem":4643},"Конфігурація CORS","\u002Fweb-development\u002Fauthorization-security\u002F06-cors-configuration","18.web-development\u002F13.authorization-security\u002F06-cors-configuration",{"title":4645,"path":4646,"stem":4647},"Захист через HTTP Security Headers (Helmet)","\u002Fweb-development\u002Fauthorization-security\u002F07-helmet-security-headers","18.web-development\u002F13.authorization-security\u002F07-helmet-security-headers",{"title":4649,"path":4650,"stem":4651},"Rate Limiting та Throttling","\u002Fweb-development\u002Fauthorization-security\u002F08-rate-limiting-throttling","18.web-development\u002F13.authorization-security\u002F08-rate-limiting-throttling",{"title":4653,"path":4654,"stem":4655},"Захист від поширених атак","\u002Fweb-development\u002Fauthorization-security\u002F09-common-attacks-protection","18.web-development\u002F13.authorization-security\u002F09-common-attacks-protection",{"title":4657,"path":4658,"stem":4659},"HTTPS у продакшені","\u002Fweb-development\u002Fauthorization-security\u002F10-https-production","18.web-development\u002F13.authorization-security\u002F10-https-production",{"title":4661,"icon":871,"path":4662,"stem":4663,"children":4664,"page":59},"Комунікація у реальному часі, нотифікації та фонові задачі","\u002Fweb-development\u002Frealtime-notifications-jobs","18.web-development\u002F14.realtime-notifications-jobs",[4665,4669,4673,4677,4681,4685,4688,4691,4695,4699],{"title":4666,"path":4667,"stem":4668},"Методи комунікації у реальному часі","\u002Fweb-development\u002Frealtime-notifications-jobs\u002F01-realtime-communication-methods","18.web-development\u002F14.realtime-notifications-jobs\u002F01-realtime-communication-methods",{"title":4670,"path":4671,"stem":4672},"WebSocket Gateway у NestJS","\u002Fweb-development\u002Frealtime-notifications-jobs\u002F02-websocket-gateway","18.web-development\u002F14.realtime-notifications-jobs\u002F02-websocket-gateway",{"title":4674,"path":4675,"stem":4676},"Lifecycle та Rooms у WebSocket","\u002Fweb-development\u002Frealtime-notifications-jobs\u002F03-websocket-lifecycle-rooms","18.web-development\u002F14.realtime-notifications-jobs\u002F03-websocket-lifecycle-rooms",{"title":4678,"path":4679,"stem":4680},"Server-Sent Events (SSE)","\u002Fweb-development\u002Frealtime-notifications-jobs\u002F04-server-sent-events","18.web-development\u002F14.realtime-notifications-jobs\u002F04-server-sent-events",{"title":4682,"path":4683,"stem":4684},"Архітектура системи нотифікацій","\u002Fweb-development\u002Frealtime-notifications-jobs\u002F05-notification-system","18.web-development\u002F14.realtime-notifications-jobs\u002F05-notification-system",{"title":904,"path":4686,"stem":4687},"\u002Fweb-development\u002Frealtime-notifications-jobs\u002F06-email-notifications","18.web-development\u002F14.realtime-notifications-jobs\u002F06-email-notifications",{"title":900,"path":4689,"stem":4690},"\u002Fweb-development\u002Frealtime-notifications-jobs\u002F07-web-push-notifications","18.web-development\u002F14.realtime-notifications-jobs\u002F07-web-push-notifications",{"title":4692,"path":4693,"stem":4694},"Фонові задачі та черги","\u002Fweb-development\u002Frealtime-notifications-jobs\u002F08-background-jobs-queues","18.web-development\u002F14.realtime-notifications-jobs\u002F08-background-jobs-queues",{"title":4696,"path":4697,"stem":4698},"Планувальники та Cron jobs","\u002Fweb-development\u002Frealtime-notifications-jobs\u002F09-schedulers-cron","18.web-development\u002F14.realtime-notifications-jobs\u002F09-schedulers-cron",{"title":4700,"path":4701,"stem":4702},"Практичні сценарії застосування","\u002Fweb-development\u002Frealtime-notifications-jobs\u002F10-practical-scenarios","18.web-development\u002F14.realtime-notifications-jobs\u002F10-practical-scenarios",{"title":4704,"icon":4705,"path":4706,"stem":4707,"children":4708,"page":59},"Тестування, документування та розгортання застосунків","i-lucide-rocket","\u002Fweb-development\u002Ftesting-documentation-deployment","18.web-development\u002F15.testing-documentation-deployment",[4709,4713,4717,4721,4725,4729,4733,4737,4741,4745],{"title":4710,"path":4711,"stem":4712},"Піраміда тестування та стратегія","\u002Fweb-development\u002Ftesting-documentation-deployment\u002F01-testing-pyramid-strategy","18.web-development\u002F15.testing-documentation-deployment\u002F01-testing-pyramid-strategy",{"title":4714,"path":4715,"stem":4716},"Основи Jest у NestJS","\u002Fweb-development\u002Ftesting-documentation-deployment\u002F02-jest-nestjs-basics","18.web-development\u002F15.testing-documentation-deployment\u002F02-jest-nestjs-basics",{"title":4718,"path":4719,"stem":4720},"Unit-тестування сервісів","\u002Fweb-development\u002Ftesting-documentation-deployment\u002F03-unit-testing-services","18.web-development\u002F15.testing-documentation-deployment\u002F03-unit-testing-services",{"title":4722,"path":4723,"stem":4724},"E2E тестування та покриття коду","\u002Fweb-development\u002Ftesting-documentation-deployment\u002F04-e2e-testing-coverage","18.web-development\u002F15.testing-documentation-deployment\u002F04-e2e-testing-coverage",{"title":4726,"path":4727,"stem":4728},"Swagger, OpenAPI, Scalar та Arazzo","\u002Fweb-development\u002Ftesting-documentation-deployment\u002F05-swagger-openapi","18.web-development\u002F15.testing-documentation-deployment\u002F05-swagger-openapi",{"title":4730,"path":4731,"stem":4732},"Керування конфігурацією","\u002Fweb-development\u002Ftesting-documentation-deployment\u002F06-configuration-management","18.web-development\u002F15.testing-documentation-deployment\u002F06-configuration-management",{"title":4734,"path":4735,"stem":4736},"Docker та контейнеризація","\u002Fweb-development\u002Ftesting-documentation-deployment\u002F07-docker-containerization","18.web-development\u002F15.testing-documentation-deployment\u002F07-docker-containerization",{"title":4738,"path":4739,"stem":4740},"CI\u002FCD Pipelines","\u002Fweb-development\u002Ftesting-documentation-deployment\u002F08-cicd-pipelines","18.web-development\u002F15.testing-documentation-deployment\u002F08-cicd-pipelines",{"title":4742,"path":4743,"stem":4744},"Логування та моніторинг","\u002Fweb-development\u002Ftesting-documentation-deployment\u002F09-logging-monitoring","18.web-development\u002F15.testing-documentation-deployment\u002F09-logging-monitoring",{"title":4746,"path":4747,"stem":4748},"Серіалізація та компресія","\u002Fweb-development\u002Ftesting-documentation-deployment\u002F10-serialization-compression","18.web-development\u002F15.testing-documentation-deployment\u002F10-serialization-compression",{"title":4750,"icon":4751,"path":4752,"stem":4753,"children":4754,"page":59},"AI Core: мислення AI","i-lucide-brain","\u002Fai-core","19.ai-core",[4755,4796,4845,4883],{"title":4756,"icon":4705,"path":4757,"stem":4758,"children":4759,"page":59},"Вхід у професію AI Native Developer","\u002Fai-core\u002Fai-native-developer","19.ai-core\u002F01.ai-native-developer",[4760,4764,4768,4772,4776,4780,4784,4788,4792],{"title":4761,"path":4762,"stem":4763},"Вступ до професії розробника цифрових продуктів","\u002Fai-core\u002Fai-native-developer\u002Fdigital-products","19.ai-core\u002F01.ai-native-developer\u002F01.digital-products",{"title":4765,"path":4766,"stem":4767},"Професія розробника програмного забезпечення","\u002Fai-core\u002Fai-native-developer\u002Fsoftware-developer","19.ai-core\u002F01.ai-native-developer\u002F02.software-developer",{"title":4769,"path":4770,"stem":4771},"Професія AI Native Developer","\u002Fai-core\u002Fai-native-developer\u002Fai-native-developer","19.ai-core\u002F01.ai-native-developer\u002F03.ai-native-developer",{"title":4773,"path":4774,"stem":4775},"Вплив AI на розробку програмного забезпечення","\u002Fai-core\u002Fai-native-developer\u002Fai-impact-on-development","19.ai-core\u002F01.ai-native-developer\u002F04.ai-impact-on-development",{"title":4777,"path":4778,"stem":4779},"Життєвий цикл цифрового продукту","\u002Fai-core\u002Fai-native-developer\u002Fproduct-lifecycle","19.ai-core\u002F01.ai-native-developer\u002F05.product-lifecycle",{"title":4781,"path":4782,"stem":4783},"Застосування AI на етапах створення цифрового продукту","\u002Fai-core\u002Fai-native-developer\u002Fai-in-product-creation","19.ai-core\u002F01.ai-native-developer\u002F06.ai-in-product-creation",{"title":4785,"path":4786,"stem":4787},"Розподіл завдань між людиною та AI","\u002Fai-core\u002Fai-native-developer\u002Fhuman-vs-ai-tasks","19.ai-core\u002F01.ai-native-developer\u002F07.human-vs-ai-tasks",{"title":4789,"path":4790,"stem":4791},"Компетенції AI Native Developer","\u002Fai-core\u002Fai-native-developer\u002Fcompetencies","19.ai-core\u002F01.ai-native-developer\u002F08.competencies",{"title":4793,"path":4794,"stem":4795},"Карта професійного розвитку AI Native Developer","\u002Fai-core\u002Fai-native-developer\u002Fcareer-roadmap","19.ai-core\u002F01.ai-native-developer\u002F09.career-roadmap",{"title":4797,"icon":255,"path":4798,"stem":4799,"children":4800,"page":59},"Штучний інтелект і машинне навчання","\u002Fai-core\u002Fai-and-machine-learning","19.ai-core\u002F02.ai-and-machine-learning",[4801,4805,4809,4813,4817,4821,4825,4829,4833,4837,4841],{"title":4802,"path":4803,"stem":4804},"Штучний інтелект","\u002Fai-core\u002Fai-and-machine-learning\u002Fwhat-is-ai","19.ai-core\u002F02.ai-and-machine-learning\u002F01.what-is-ai",{"title":4806,"path":4807,"stem":4808},"Відмінність AI від інших програмних систем","\u002Fai-core\u002Fai-and-machine-learning\u002Fai-vs-automation","19.ai-core\u002F02.ai-and-machine-learning\u002F02.ai-vs-automation",{"title":4810,"path":4811,"stem":4812},"Завдання штучного інтелекту","\u002Fai-core\u002Fai-and-machine-learning\u002Fai-tasks","19.ai-core\u002F02.ai-and-machine-learning\u002F03.ai-tasks",{"title":4814,"path":4815,"stem":4816},"Machine Learning","\u002Fai-core\u002Fai-and-machine-learning\u002Fmachine-learning","19.ai-core\u002F02.ai-and-machine-learning\u002F04.machine-learning",{"title":4818,"path":4819,"stem":4820},"Machine Learning Workflow","\u002Fai-core\u002Fai-and-machine-learning\u002Fml-workflow","19.ai-core\u002F02.ai-and-machine-learning\u002F05.ml-workflow",{"title":4822,"path":4823,"stem":4824},"Типи машинного навчання","\u002Fai-core\u002Fai-and-machine-learning\u002Fml-types","19.ai-core\u002F02.ai-and-machine-learning\u002F06.ml-types",{"title":4826,"path":4827,"stem":4828},"Generative AI","\u002Fai-core\u002Fai-and-machine-learning\u002Fgenerative-ai","19.ai-core\u002F02.ai-and-machine-learning\u002F07.generative-ai",{"title":4830,"path":4831,"stem":4832},"Типи контенту, створюваного AI","\u002Fai-core\u002Fai-and-machine-learning\u002Fai-content-types","19.ai-core\u002F02.ai-and-machine-learning\u002F08.ai-content-types",{"title":4834,"path":4835,"stem":4836},"Великі мовні моделі","\u002Fai-core\u002Fai-and-machine-learning\u002Flarge-language-models","19.ai-core\u002F02.ai-and-machine-learning\u002F09.large-language-models",{"title":4838,"path":4839,"stem":4840},"Можливості та обмеження Generative AI","\u002Fai-core\u002Fai-and-machine-learning\u002Fcapabilities-and-limitations","19.ai-core\u002F02.ai-and-machine-learning\u002F10.capabilities-and-limitations",{"title":4842,"path":4843,"stem":4844},"Сучасні AI-асистенти","\u002Fai-core\u002Fai-and-machine-learning\u002Fmodern-ai-assistants","19.ai-core\u002F02.ai-and-machine-learning\u002F11.modern-ai-assistants",{"title":4846,"icon":4847,"path":4848,"stem":4849,"children":4850,"page":59},"Постановка завдань для AI: принципи створення промптів","i-lucide-message-square-text","\u002Fai-core\u002Fprompt-engineering","19.ai-core\u002F03.prompt-engineering",[4851,4855,4859,4863,4867,4871,4875,4879],{"title":4852,"path":4853,"stem":4854},"Промпт як інструмент","\u002Fai-core\u002Fprompt-engineering\u002Fprompt-as-tool","19.ai-core\u002F03.prompt-engineering\u002F01.prompt-as-tool",{"title":4856,"path":4857,"stem":4858},"Принципи створення промптів","\u002Fai-core\u002Fprompt-engineering\u002Fprompt-principles","19.ai-core\u002F03.prompt-engineering\u002F02.prompt-principles",{"title":4860,"path":4861,"stem":4862},"Структура промпта","\u002Fai-core\u002Fprompt-engineering\u002Fprompt-structure","19.ai-core\u002F03.prompt-engineering\u002F03.prompt-structure",{"title":4864,"path":4865,"stem":4866},"Види промптів за типом задачі","\u002Fai-core\u002Fprompt-engineering\u002Fprompt-types","19.ai-core\u002F03.prompt-engineering\u002F04.prompt-types",{"title":4868,"path":4869,"stem":4870},"Прийоми посилення промпта","\u002Fai-core\u002Fprompt-engineering\u002Fprompt-enhancement","19.ai-core\u002F03.prompt-engineering\u002F05.prompt-enhancement",{"title":4872,"path":4873,"stem":4874},"Розбір і покращення промпта","\u002Fai-core\u002Fprompt-engineering\u002Fprompt-analysis","19.ai-core\u002F03.prompt-engineering\u002F06.prompt-analysis",{"title":4876,"path":4877,"stem":4878},"Типові помилки під час створення промптів","\u002Fai-core\u002Fprompt-engineering\u002Fcommon-mistakes","19.ai-core\u002F03.prompt-engineering\u002F07.common-mistakes",{"title":4880,"path":4881,"stem":4882},"Практикум: особиста бібліотека промптів","\u002Fai-core\u002Fprompt-engineering\u002Fprompt-library","19.ai-core\u002F03.prompt-engineering\u002F08.prompt-library",{"title":4884,"icon":793,"path":4885,"stem":4886,"children":4887,"page":59},"Перевірка результатів, безпека та AI Native Workflow","\u002Fai-core\u002Fverification-security-workflow","19.ai-core\u002F04.verification-security-workflow",[4888,4892,4896,4900,4904,4908,4912,4916,4920],{"title":4889,"path":4890,"stem":4891},"Межі можливостей AI","\u002Fai-core\u002Fverification-security-workflow\u002Fai-limitations","19.ai-core\u002F04.verification-security-workflow\u002F01.ai-limitations",{"title":4893,"path":4894,"stem":4895},"Галюцинації AI","\u002Fai-core\u002Fverification-security-workflow\u002Fai-hallucinations","19.ai-core\u002F04.verification-security-workflow\u002F02.ai-hallucinations",{"title":4897,"path":4898,"stem":4899},"Критичне мислення під час роботи з AI","\u002Fai-core\u002Fverification-security-workflow\u002Fcritical-thinking","19.ai-core\u002F04.verification-security-workflow\u002F03.critical-thinking",{"title":4901,"path":4902,"stem":4903},"Перевірка результатів роботи AI","\u002Fai-core\u002Fverification-security-workflow\u002Fresult-verification","19.ai-core\u002F04.verification-security-workflow\u002F04.result-verification",{"title":4905,"path":4906,"stem":4907},"Захист даних під час роботи з AI","\u002Fai-core\u002Fverification-security-workflow\u002Fdata-protection","19.ai-core\u002F04.verification-security-workflow\u002F05.data-protection",{"title":4909,"path":4910,"stem":4911},"Авторське право та навчальна доброчесність","\u002Fai-core\u002Fverification-security-workflow\u002Fcopyright-integrity","19.ai-core\u002F04.verification-security-workflow\u002F06.copyright-integrity",{"title":4913,"path":4914,"stem":4915},"Відповідальне використання AI","\u002Fai-core\u002Fverification-security-workflow\u002Fresponsible-use","19.ai-core\u002F04.verification-security-workflow\u002F07.responsible-use",{"title":4917,"path":4918,"stem":4919},"AI Native Workflow","\u002Fai-core\u002Fverification-security-workflow\u002Fai-native-workflow","19.ai-core\u002F04.verification-security-workflow\u002F08.ai-native-workflow",{"title":4921,"path":4922,"stem":4923},"Застосування AI Native Workflow під час створення цифрового продукту","\u002Fai-core\u002Fverification-security-workflow\u002Fworkflow-in-practice","19.ai-core\u002F04.verification-security-workflow\u002F09.workflow-in-practice",{"title":4925,"icon":4926,"path":4927,"stem":4928,"children":4929,"page":59},"AI Developer: Vibe Coding Sprint","i-lucide-code-xml","\u002Fai-developer","20.ai-developer",[4930,4956,4978,4999],{"title":4931,"icon":4932,"path":4933,"stem":4934,"children":4935,"page":59},"Проєктування і чорнова версія","i-lucide-pencil-ruler","\u002Fai-developer\u002Fdraft-creation","20.ai-developer\u002F01.draft-creation",[4936,4940,4944,4948,4952],{"title":4937,"path":4938,"stem":4939},"Парадигма Vibe Coding Workflow","\u002Fai-developer\u002Fdraft-creation\u002Fvibe-coding-workflow","20.ai-developer\u002F01.draft-creation\u002F01.vibe-coding-workflow",{"title":4941,"path":4942,"stem":4943},"AI-середовище швидкої розробки","\u002Fai-developer\u002Fdraft-creation\u002Fai-ide-environment","20.ai-developer\u002F01.draft-creation\u002F02.ai-ide-environment",{"title":4945,"path":4946,"stem":4947},"Користувацьке завдання та межі першої версії","\u002Fai-developer\u002Fdraft-creation\u002Fproduct-scope-and-mvp","20.ai-developer\u002F01.draft-creation\u002F03.product-scope-and-mvp",{"title":4949,"path":4950,"stem":4951},"Архітектура інтерфейсу та стани застосунку","\u002Fai-developer\u002Fdraft-creation\u002Fapplication-architecture-and-states","20.ai-developer\u002F01.draft-creation\u002F04.application-architecture-and-states",{"title":4953,"path":4954,"stem":4955},"Генерація та фіксація чорнової версії","\u002Fai-developer\u002Fdraft-creation\u002Fgenerating-draft-version","20.ai-developer\u002F01.draft-creation\u002F05.generating-draft-version",{"title":4957,"icon":4958,"path":4959,"stem":4960,"children":4961,"page":59},"Перша робоча версія","i-lucide-play-circle","\u002Fai-developer\u002Ffirst-working-version","20.ai-developer\u002F02.first-working-version",[4962,4966,4970,4974],{"title":4963,"path":4964,"stem":4965},"Уточнення контексту проєкту для AI","\u002Fai-developer\u002Ffirst-working-version\u002Frefining-project-context","20.ai-developer\u002F02.first-working-version\u002F01.refining-project-context",{"title":4967,"path":4968,"stem":4969},"Стратегія завдань для AI-розробки","\u002Fai-developer\u002Ffirst-working-version\u002Fai-prompting-strategy","20.ai-developer\u002F02.first-working-version\u002F02.ai-prompting-strategy",{"title":4971,"path":4972,"stem":4973},"Доопрацювання до першої робочої версії","\u002Fai-developer\u002Ffirst-working-version\u002Frefining-to-working-version","20.ai-developer\u002F02.first-working-version\u002F03.refining-to-working-version",{"title":4975,"path":4976,"stem":4977},"Перевірка першої робочої версії","\u002Fai-developer\u002Ffirst-working-version\u002Ftesting-first-working-version","20.ai-developer\u002F02.first-working-version\u002F04.testing-first-working-version",{"title":4979,"icon":3028,"path":4980,"stem":4981,"children":4982,"page":59},"Ітерації, дебагінг та відновлення","\u002Fai-developer\u002Fiteration-debugging-recovery","20.ai-developer\u002F03.iteration-debugging-recovery",[4983,4987,4991,4995],{"title":4984,"path":4985,"stem":4986},"Управління точковими змінами продукту","\u002Fai-developer\u002Fiteration-debugging-recovery\u002Fchange-management","20.ai-developer\u002F03.iteration-debugging-recovery\u002F01.change-management",{"title":4988,"path":4989,"stem":4990},"Надійність інтерфейсу та обробка помилок","\u002Fai-developer\u002Fiteration-debugging-recovery\u002Fscenario-reliability-and-errors","20.ai-developer\u002F03.iteration-debugging-recovery\u002F02.scenario-reliability-and-errors",{"title":4992,"path":4993,"stem":4994},"Керування контекстом і збереження версій","\u002Fai-developer\u002Fiteration-debugging-recovery\u002Fproject-context-and-versions","20.ai-developer\u002F03.iteration-debugging-recovery\u002F03.project-context-and-versions",{"title":4996,"path":4997,"stem":4998},"Збої AI-розробки, ліміти та аварійне відновлення","\u002Fai-developer\u002Fiteration-debugging-recovery\u002Fai-breakdowns-and-recovery","20.ai-developer\u002F03.iteration-debugging-recovery\u002F04.ai-breakdowns-and-recovery",{"title":5000,"icon":5001,"path":5002,"stem":5003,"children":5004,"page":59},"Перевірка та завершення продукту","i-lucide-check-check","\u002Fai-developer\u002Fverification-and-completion","20.ai-developer\u002F04.verification-and-completion",[5005,5009,5013],{"title":5006,"path":5007,"stem":5008},"Комплексний аудит та підсумкове тестування","\u002Fai-developer\u002Fverification-and-completion\u002Ffinal-product-testing","20.ai-developer\u002F04.verification-and-completion\u002F01.final-product-testing",{"title":5010,"path":5011,"stem":5012},"Підготовка підсумкової версії коду","\u002Fai-developer\u002Fverification-and-completion\u002Fpreparing-release-version","20.ai-developer\u002F04.verification-and-completion\u002F02.preparing-release-version",{"title":5014,"path":5015,"stem":5016},"Демонстрація, публікація та критерії оцінювання","\u002Fai-developer\u002Fverification-and-completion\u002Fproduct-showcase-and-publishing","20.ai-developer\u002F04.verification-and-completion\u002F03.product-showcase-and-publishing",{"title":5018,"path":5019,"stem":5020,"children":5021,"page":59},"Tailwind","\u002Ftailwind","21.tailwind",[5022,5026,5030,5034,5038,5042,5046,5050,5054,5058,5062,5066],{"title":5023,"path":5024,"stem":5025},"Що таке Tailwind CSS і навіщо він потрібен","\u002Ftailwind\u002Ftailwind-intro-philosophy","21.tailwind\u002F01.tailwind-intro-philosophy",{"title":5027,"path":5028,"stem":5029},"Встановлення та налаштування Tailwind CSS v4","\u002Ftailwind\u002Ftailwind-installation-setup","21.tailwind\u002F02.tailwind-installation-setup",{"title":5031,"path":5032,"stem":5033},"Utility-класи: основи та система Tailwind","\u002Ftailwind\u002Ftailwind-utility-classes-core","21.tailwind\u002F03.tailwind-utility-classes-core",{"title":5035,"path":5036,"stem":5037},"Layout: Flexbox та Grid через Tailwind","\u002Ftailwind\u002Ftailwind-flexbox-grid","21.tailwind\u002F04.tailwind-flexbox-grid",{"title":5039,"path":5040,"stem":5041},"Кастомізація теми через @theme у Tailwind v4","\u002Ftailwind\u002Ftailwind-theme-customization","21.tailwind\u002F05.tailwind-theme-customization",{"title":5043,"path":5044,"stem":5045},"Варіанти: hover, focus, responsive, dark mode та нові v4","\u002Ftailwind\u002Ftailwind-variants-states","21.tailwind\u002F06.tailwind-variants-states",{"title":5047,"path":5048,"stem":5049},"Типографіка та система кольорів у Tailwind v4","\u002Ftailwind\u002Ftailwind-typography-colors","21.tailwind\u002F07.tailwind-typography-colors",{"title":5051,"path":5052,"stem":5053},"Компоненти та повторюваність: @apply, @utility та патерни","\u002Ftailwind\u002Ftailwind-components-patterns","21.tailwind\u002F08.tailwind-components-patterns",{"title":5055,"path":5056,"stem":5057},"Темна тема та система дизайн-токенів у Tailwind v4","\u002Ftailwind\u002Ftailwind-dark-mode-theming","21.tailwind\u002F09.tailwind-dark-mode-theming",{"title":5059,"path":5060,"stem":5061},"Довільні значення та контейнерні запити у Tailwind v4","\u002Ftailwind\u002Ftailwind-arbitrary-container-queries","21.tailwind\u002F10.tailwind-arbitrary-container-queries",{"title":5063,"path":5064,"stem":5065},"Анімації, трансформації та 3D у Tailwind v4","\u002Ftailwind\u002Ftailwind-animations-transforms","21.tailwind\u002F11.tailwind-animations-transforms",{"title":5067,"path":5068,"stem":5069},"Tailwind CLI, PostCSS та інтеграція з фреймворками","\u002Ftailwind\u002Ftailwind-cli-tooling","21.tailwind\u002F12.tailwind-cli-tooling",{"title":5071,"path":5072,"stem":5073},"Тестування компонентів діаграм","\u002Ftest-components","98.test-components",{"id":5075,"title":4201,"body":5076,"description":25136,"extension":25137,"links":25138,"meta":25139,"navigation":5234,"path":4202,"seo":25140,"stem":4203,"__hash__":25141},"docs\u002F18.web-development\u002F05.nodejs-platform\u002F09.streams.md",{"type":5077,"value":5078,"toc":25085},"minimark",[5079,5083,5170,5175,5180,5196,5376,5455,5460,5491,5495,5508,5600,5605,5693,5763,5767,5770,6173,6287,6291,6298,6419,6423,6521,6580,6584,6595,6834,6997,7001,7005,7011,7176,7181,7241,7245,7248,7253,7259,7490,7495,7502,7805,7939,7943,8041,8045,8643,8706,8710,8713,9189,9222,9226,9915,10107,10111,10115,10118,10268,10272,10340,10344,10349,10430,10674,10678,10717,10721,10732,11145,11281,11414,11418,12443,12548,12565,12569,13345,13348,13352,13356,13365,13654,13730,13734,14080,14183,14187,14896,14937,14941,15144,15148,15159,15489,15577,15581,16398,16474,16513,16517,17092,17097,17101,17105,17112,17437,17518,17522,17527,18112,18117,18650,18655,19111,19115,19127,20065,20118,20199,20203,20206,20600,21024,21028,21032,21934,21938,22975,22979,23676,23691,23695,24118,24123,24215,24219,24547,24875,24879,24951,24981,24985,25046,25081],[5080,5081,4201],"h1",{"id":5082},"streams-потоки-даних-у-nodejs",[5084,5085,5086,5130],"card-group",{},[5087,5088,5091],"card",{"icon":5089,"title":5090},"i-lucide-target","🎯 Мета лекції",[5092,5093,5094,5103,5106,5124,5127],"ul",{},[5095,5096,5097,5098,5102],"li",{},"Зрозуміти концепцію потоків (",[5099,5100,5101],"em",{},"streams",") як альтернативи буферизованій обробці даних.",[5095,5104,5105],{},"Опанувати чотири типи потоків: Readable, Writable, Duplex та Transform.",[5095,5107,5108,5109,5113,5114,5113,5117,5113,5120,5123],{},"Навчитися працювати з подіями потоків (",[5110,5111,5112],"code",{},"data",", ",[5110,5115,5116],{},"end",[5110,5118,5119],{},"error",[5110,5121,5122],{},"drain",") та обробляти backpressure.",[5095,5125,5126],{},"Освоїти механізм piping для з'єднання потоків та побудови конвеєрів обробки даних.",[5095,5128,5129],{},"Зрозуміти застосування streams у файловій системі, HTTP-запитах та обробці великих наборів даних.",[5087,5131,5133],{"icon":4574,"title":5132},"🔑 Ключові терміни",[5092,5134,5135,5146,5152,5158,5164],{},[5095,5136,5137,5141,5142,5145],{},[5138,5139,5140],"strong",{},"Stream (Потік):"," абстракція для роботи з даними як послідовністю фрагментів (",[5099,5143,5144],{},"chunks",") замість завантаження всього масиву в пам'ять.",[5095,5147,5148,5151],{},[5138,5149,5150],{},"Chunk (Фрагмент):"," окрема порція даних, що передається через потік (зазвичай Buffer або рядок).",[5095,5153,5154,5157],{},[5138,5155,5156],{},"Piping (Конвеєр):"," механізм автоматичного передавання даних з одного потоку в інший.",[5095,5159,5160,5163],{},[5138,5161,5162],{},"Backpressure (Протитиск):"," ситуація, коли споживач не встигає обробляти дані так швидко, як їх надає джерело.",[5095,5165,5166,5169],{},[5138,5167,5168],{},"Object Mode:"," режим потоку, у якому передаються JavaScript-об'єкти замість буферів байтів.",[5171,5172,5174],"h2",{"id":5173},"фундаментальна-проблема-обробка-великих-обсягів-даних","Фундаментальна проблема: обробка великих обсягів даних",[5176,5177,5179],"h3",{"id":5178},"чому-буферизоване-читання-не-масштабується","Чому буферизоване читання не масштабується",[5181,5182,5183,5184,5187,5188,5191,5192,5195],"p",{},"У попередніх лекціях ми працювали з файловою системою через методи ",[5110,5185,5186],{},"fs.readFile()"," та ",[5110,5189,5190],{},"fs.writeFile()",", які завантажують ",[5138,5193,5194],{},"весь файл у пам'ять"," перед обробкою. Цей підхід має критичні обмеження:",[5197,5198,5203],"pre",{"className":5199,"code":5200,"language":5201,"meta":5202,"style":5202},"language-typescript shiki shiki-themes light-plus dark-plus dark-plus","import fs from 'node:fs\u002Fpromises';\n\n\u002F\u002F ❌ ПРОБЛЕМА: весь файл завантажується у пам'ять\nasync function processLargeFile() {\n  \u002F\u002F Якщо файл має розмір 2 ГБ, Node.js спробує виділити 2 ГБ RAM\n  const data = await fs.readFile('video.mp4'); \u002F\u002F Buffer(2 GB)\n  \n  \u002F\u002F Обробка даних\n  const processed = transformData(data);\n  \n  \u002F\u002F Запис результату (ще +2 ГБ у пам'яті)\n  await fs.writeFile('output.mp4', processed);\n}\n","typescript","",[5110,5204,5205,5229,5236,5243,5260,5266,5302,5308,5314,5334,5339,5345,5370],{"__ignoreMap":5202},[5206,5207,5210,5214,5218,5221,5225],"span",{"class":5208,"line":5209},"line",1,[5206,5211,5213],{"class":5212},"s8xlr","import",[5206,5215,5217],{"class":5216},"siwwj"," fs",[5206,5219,5220],{"class":5212}," from",[5206,5222,5224],{"class":5223},"sbdoH"," 'node:fs\u002Fpromises'",[5206,5226,5228],{"class":5227},"sHH4Y",";\n",[5206,5230,5232],{"class":5208,"line":5231},2,[5206,5233,5235],{"emptyLinePlaceholder":5234},true,"\n",[5206,5237,5239],{"class":5208,"line":5238},3,[5206,5240,5242],{"class":5241},"spJ8K","\u002F\u002F ❌ ПРОБЛЕМА: весь файл завантажується у пам'ять\n",[5206,5244,5246,5250,5253,5257],{"class":5208,"line":5245},4,[5206,5247,5249],{"class":5248},"su1O8","async",[5206,5251,5252],{"class":5248}," function",[5206,5254,5256],{"class":5255},"s8Opu"," processLargeFile",[5206,5258,5259],{"class":5227},"() {\n",[5206,5261,5263],{"class":5208,"line":5262},5,[5206,5264,5265],{"class":5241},"  \u002F\u002F Якщо файл має розмір 2 ГБ, Node.js спробує виділити 2 ГБ RAM\n",[5206,5267,5269,5272,5276,5279,5282,5284,5287,5290,5293,5296,5299],{"class":5208,"line":5268},6,[5206,5270,5271],{"class":5248},"  const",[5206,5273,5275],{"class":5274},"s-QsJ"," data",[5206,5277,5278],{"class":5227}," = ",[5206,5280,5281],{"class":5212},"await",[5206,5283,5217],{"class":5216},[5206,5285,5286],{"class":5227},".",[5206,5288,5289],{"class":5255},"readFile",[5206,5291,5292],{"class":5227},"(",[5206,5294,5295],{"class":5223},"'video.mp4'",[5206,5297,5298],{"class":5227},"); ",[5206,5300,5301],{"class":5241},"\u002F\u002F Buffer(2 GB)\n",[5206,5303,5305],{"class":5208,"line":5304},7,[5206,5306,5307],{"class":5227},"  \n",[5206,5309,5311],{"class":5208,"line":5310},8,[5206,5312,5313],{"class":5241},"  \u002F\u002F Обробка даних\n",[5206,5315,5317,5319,5322,5324,5327,5329,5331],{"class":5208,"line":5316},9,[5206,5318,5271],{"class":5248},[5206,5320,5321],{"class":5274}," processed",[5206,5323,5278],{"class":5227},[5206,5325,5326],{"class":5255},"transformData",[5206,5328,5292],{"class":5227},[5206,5330,5112],{"class":5216},[5206,5332,5333],{"class":5227},");\n",[5206,5335,5337],{"class":5208,"line":5336},10,[5206,5338,5307],{"class":5227},[5206,5340,5342],{"class":5208,"line":5341},11,[5206,5343,5344],{"class":5241},"  \u002F\u002F Запис результату (ще +2 ГБ у пам'яті)\n",[5206,5346,5348,5351,5353,5355,5358,5360,5363,5365,5368],{"class":5208,"line":5347},12,[5206,5349,5350],{"class":5212},"  await",[5206,5352,5217],{"class":5216},[5206,5354,5286],{"class":5227},[5206,5356,5357],{"class":5255},"writeFile",[5206,5359,5292],{"class":5227},[5206,5361,5362],{"class":5223},"'output.mp4'",[5206,5364,5113],{"class":5227},[5206,5366,5367],{"class":5216},"processed",[5206,5369,5333],{"class":5227},[5206,5371,5373],{"class":5208,"line":5372},13,[5206,5374,5375],{"class":5227},"}\n",[5377,5378,5379],"mermaid",{},[5197,5380,5383],{"className":5381,"code":5382,"language":5377,"meta":5202,"style":5202},"language-mermaid shiki shiki-themes light-plus dark-plus dark-plus","graph TD\n    A[Файл на диску\u003Cbr\u002F>video.mp4 — 2 GB] -->|fs.readFile| B[Пам'ять процесу\u003Cbr\u002F>Buffer — 2 GB]\n    B -->|Обробка| C[Новий буфер\u003Cbr\u002F>processed — 2 GB]\n    C -->|fs.writeFile| D[Вихідний файл\u003Cbr\u002F>output.mp4 — 2 GB]\n    \n    E[Проблеми:] --> F[\"Пік споживання RAM:\u003Cbr\u002F>~4 GB\"]\n    E --> G[\"Час до початку обробки:\u003Cbr\u002F>~10-30 секунд\"]\n    E --> H[\"Неможливість обробки\u003Cbr\u002F>файлів > доступної RAM\"]\n    \n    style A fill:#e2e8f0,stroke:#1e293b,color:#1e293b\n    style B fill:#fee2e2,stroke:#b91c1c,color:#1e293b\n    style C fill:#fee2e2,stroke:#b91c1c,color:#1e293b\n    style D fill:#e2e8f0,stroke:#1e293b,color:#1e293b\n    style E fill:#fef3c7,stroke:#b45309,color:#1e293b\n",[5110,5384,5385,5390,5395,5400,5405,5410,5415,5420,5425,5429,5434,5439,5444,5449],{"__ignoreMap":5202},[5206,5386,5387],{"class":5208,"line":5209},[5206,5388,5389],{},"graph TD\n",[5206,5391,5392],{"class":5208,"line":5231},[5206,5393,5394],{},"    A[Файл на диску\u003Cbr\u002F>video.mp4 — 2 GB] -->|fs.readFile| B[Пам'ять процесу\u003Cbr\u002F>Buffer — 2 GB]\n",[5206,5396,5397],{"class":5208,"line":5238},[5206,5398,5399],{},"    B -->|Обробка| C[Новий буфер\u003Cbr\u002F>processed — 2 GB]\n",[5206,5401,5402],{"class":5208,"line":5245},[5206,5403,5404],{},"    C -->|fs.writeFile| D[Вихідний файл\u003Cbr\u002F>output.mp4 — 2 GB]\n",[5206,5406,5407],{"class":5208,"line":5262},[5206,5408,5409],{},"    \n",[5206,5411,5412],{"class":5208,"line":5268},[5206,5413,5414],{},"    E[Проблеми:] --> F[\"Пік споживання RAM:\u003Cbr\u002F>~4 GB\"]\n",[5206,5416,5417],{"class":5208,"line":5304},[5206,5418,5419],{},"    E --> G[\"Час до початку обробки:\u003Cbr\u002F>~10-30 секунд\"]\n",[5206,5421,5422],{"class":5208,"line":5310},[5206,5423,5424],{},"    E --> H[\"Неможливість обробки\u003Cbr\u002F>файлів > доступної RAM\"]\n",[5206,5426,5427],{"class":5208,"line":5316},[5206,5428,5409],{},[5206,5430,5431],{"class":5208,"line":5336},[5206,5432,5433],{},"    style A fill:#e2e8f0,stroke:#1e293b,color:#1e293b\n",[5206,5435,5436],{"class":5208,"line":5341},[5206,5437,5438],{},"    style B fill:#fee2e2,stroke:#b91c1c,color:#1e293b\n",[5206,5440,5441],{"class":5208,"line":5347},[5206,5442,5443],{},"    style C fill:#fee2e2,stroke:#b91c1c,color:#1e293b\n",[5206,5445,5446],{"class":5208,"line":5372},[5206,5447,5448],{},"    style D fill:#e2e8f0,stroke:#1e293b,color:#1e293b\n",[5206,5450,5452],{"class":5208,"line":5451},14,[5206,5453,5454],{},"    style E fill:#fef3c7,stroke:#b45309,color:#1e293b\n",[5181,5456,5457],{},[5138,5458,5459],{},"Реальні наслідки буферизації:",[5461,5462,5463,5469,5479,5485],"ol",{},[5095,5464,5465,5468],{},[5138,5466,5467],{},"Out-Of-Memory (OOM) помилки:"," спроба обробити файл розміром 4 ГБ на сервері з 2 ГБ RAM призведе до краху процесу.",[5095,5470,5471,5478],{},[5138,5472,5473,5474,5477],{},"Висока затримка першого байта (",[5099,5475,5476],{},"TTFB","):"," клієнт починає отримувати дані лише після завантаження всього файлу на сервер.",[5095,5480,5481,5484],{},[5138,5482,5483],{},"Неможливість паралельної обробки:"," якщо 10 користувачів одночасно завантажують відео по 500 МБ, потрібно 5 ГБ RAM.",[5095,5486,5487,5490],{},[5138,5488,5489],{},"Блокування Event Loop:"," синхронна обробка великих буферів може заморозити сервер на секунди.",[5176,5492,5494],{"id":5493},"концепція-streams-потокова-обробка-даних","Концепція Streams: потокова обробка даних",[5181,5496,5497,5500,5501,5504,5505,5507],{},[5138,5498,5499],{},"Streams"," — це абстракція, яка дозволяє обробляти дані ",[5138,5502,5503],{},"частинами"," (",[5099,5506,5144],{},") у міру їх надходження, без завантаження всього набору даних у пам'ять. Це аналогічно до перегляду відео онлайн: ви не чекаєте завантаження всього фільму, а починаєте дивитися, поки наступні частини завантажуються у фоні.",[5377,5509,5510],{},[5197,5511,5513],{"className":5381,"code":5512,"language":5377,"meta":5202,"style":5202},"graph LR\n    A[Джерело даних\u003Cbr\u002F>Файл \u002F Мережа \u002F БД] -->|chunk 1\u003Cbr\u002F>64 KB| B[Stream\u003Cbr\u002F>Processing]\n    A -->|chunk 2\u003Cbr\u002F>64 KB| B\n    A -->|chunk 3\u003Cbr\u002F>64 KB| B\n    A -->|chunk N\u003Cbr\u002F>64 KB| B\n    \n    B -->|transformed\u003Cbr\u002F>chunk 1| C[Приймач\u003Cbr\u002F>Файл \u002F HTTP Response]\n    B -->|transformed\u003Cbr\u002F>chunk 2| C\n    B -->|transformed\u003Cbr\u002F>chunk 3| C\n    B -->|transformed\u003Cbr\u002F>chunk N| C\n    \n    D[\"Пам'ять у будь-який\u003Cbr\u002F>момент часу:\u003Cbr\u002F>~128 KB\"] -.->|Постійне\u003Cbr\u002F>споживання| B\n    \n    style A fill:#dbeafe,stroke:#1e40af,color:#1e293b\n    style B fill:#dcfce7,stroke:#15803d,color:#1e293b\n    style C fill:#e0e7ff,stroke:#4338ca,color:#1e293b\n    style D fill:#d1fae5,stroke:#059669,color:#1e293b\n",[5110,5514,5515,5520,5525,5530,5535,5540,5544,5549,5554,5559,5564,5568,5573,5577,5582,5588,5594],{"__ignoreMap":5202},[5206,5516,5517],{"class":5208,"line":5209},[5206,5518,5519],{},"graph LR\n",[5206,5521,5522],{"class":5208,"line":5231},[5206,5523,5524],{},"    A[Джерело даних\u003Cbr\u002F>Файл \u002F Мережа \u002F БД] -->|chunk 1\u003Cbr\u002F>64 KB| B[Stream\u003Cbr\u002F>Processing]\n",[5206,5526,5527],{"class":5208,"line":5238},[5206,5528,5529],{},"    A -->|chunk 2\u003Cbr\u002F>64 KB| B\n",[5206,5531,5532],{"class":5208,"line":5245},[5206,5533,5534],{},"    A -->|chunk 3\u003Cbr\u002F>64 KB| B\n",[5206,5536,5537],{"class":5208,"line":5262},[5206,5538,5539],{},"    A -->|chunk N\u003Cbr\u002F>64 KB| B\n",[5206,5541,5542],{"class":5208,"line":5268},[5206,5543,5409],{},[5206,5545,5546],{"class":5208,"line":5304},[5206,5547,5548],{},"    B -->|transformed\u003Cbr\u002F>chunk 1| C[Приймач\u003Cbr\u002F>Файл \u002F HTTP Response]\n",[5206,5550,5551],{"class":5208,"line":5310},[5206,5552,5553],{},"    B -->|transformed\u003Cbr\u002F>chunk 2| C\n",[5206,5555,5556],{"class":5208,"line":5316},[5206,5557,5558],{},"    B -->|transformed\u003Cbr\u002F>chunk 3| C\n",[5206,5560,5561],{"class":5208,"line":5336},[5206,5562,5563],{},"    B -->|transformed\u003Cbr\u002F>chunk N| C\n",[5206,5565,5566],{"class":5208,"line":5341},[5206,5567,5409],{},[5206,5569,5570],{"class":5208,"line":5347},[5206,5571,5572],{},"    D[\"Пам'ять у будь-який\u003Cbr\u002F>момент часу:\u003Cbr\u002F>~128 KB\"] -.->|Постійне\u003Cbr\u002F>споживання| B\n",[5206,5574,5575],{"class":5208,"line":5372},[5206,5576,5409],{},[5206,5578,5579],{"class":5208,"line":5451},[5206,5580,5581],{},"    style A fill:#dbeafe,stroke:#1e40af,color:#1e293b\n",[5206,5583,5585],{"class":5208,"line":5584},15,[5206,5586,5587],{},"    style B fill:#dcfce7,stroke:#15803d,color:#1e293b\n",[5206,5589,5591],{"class":5208,"line":5590},16,[5206,5592,5593],{},"    style C fill:#e0e7ff,stroke:#4338ca,color:#1e293b\n",[5206,5595,5597],{"class":5208,"line":5596},17,[5206,5598,5599],{},"    style D fill:#d1fae5,stroke:#059669,color:#1e293b\n",[5181,5601,5602],{},[5138,5603,5604],{},"Ключові переваги потокової обробки:",[5606,5607,5608,5624],"table",{},[5609,5610,5611],"thead",{},[5612,5613,5614,5618,5621],"tr",{},[5615,5616,5617],"th",{},"Аспект",[5615,5619,5620],{},"Буферизація (fs.readFile)",[5615,5622,5623],{},"Потоки (fs.createReadStream)",[5625,5626,5627,5641,5654,5667,5680],"tbody",{},[5612,5628,5629,5635,5638],{},[5630,5631,5632],"td",{},[5138,5633,5634],{},"Споживання пам'яті",[5630,5636,5637],{},"Розмір файлу (наприклад, 2 ГБ)",[5630,5639,5640],{},"Постійне (~64 КБ за chunk)",[5612,5642,5643,5648,5651],{},[5630,5644,5645],{},[5138,5646,5647],{},"Час до першого байта",[5630,5649,5650],{},"Після повного завантаження",[5630,5652,5653],{},"Миттєво (перший chunk)",[5612,5655,5656,5661,5664],{},[5630,5657,5658],{},[5138,5659,5660],{},"Максимальний розмір файлу",[5630,5662,5663],{},"Обмежений доступною RAM",[5630,5665,5666],{},"Необмежений",[5612,5668,5669,5674,5677],{},[5630,5670,5671],{},[5138,5672,5673],{},"Паралелізм",[5630,5675,5676],{},"10 користувачів = 10 × розмір файлу",[5630,5678,5679],{},"10 користувачів = 10 × 64 КБ",[5612,5681,5682,5687,5690],{},[5630,5683,5684],{},[5138,5685,5686],{},"Скасування операції",[5630,5688,5689],{},"Важко (дані вже у пам'яті)",[5630,5691,5692],{},"Легко (закрити потік)",[5694,5695,5696,5701,5707,5756],"note",{},[5181,5697,5698],{},[5138,5699,5700],{},"Історична довідка:",[5181,5702,5703,5704,5706],{},"Концепція потоків (",[5099,5705,5101],{},") походить з Unix-філософії \"pipes\" (|), де програми з'єднуються у ланцюжки для обробки даних:",[5197,5708,5712],{"className":5709,"code":5710,"language":5711,"meta":5202,"style":5202},"language-bash shiki shiki-themes light-plus dark-plus dark-plus","cat large-file.txt | grep \"error\" | sort | uniq -c | head -n 10\n","bash",[5110,5713,5714],{"__ignoreMap":5202},[5206,5715,5716,5719,5722,5725,5728,5731,5733,5736,5738,5741,5744,5746,5749,5752],{"class":5208,"line":5209},[5206,5717,5718],{"class":5255},"cat",[5206,5720,5721],{"class":5223}," large-file.txt",[5206,5723,5724],{"class":5227}," | ",[5206,5726,5727],{"class":5255},"grep",[5206,5729,5730],{"class":5223}," \"error\"",[5206,5732,5724],{"class":5227},[5206,5734,5735],{"class":5255},"sort",[5206,5737,5724],{"class":5227},[5206,5739,5740],{"class":5255},"uniq",[5206,5742,5743],{"class":5248}," -c",[5206,5745,5724],{"class":5227},[5206,5747,5748],{"class":5255},"head",[5206,5750,5751],{"class":5248}," -n",[5206,5753,5755],{"class":5754},"sJj4R"," 10\n",[5181,5757,5758,5759,5762],{},"Кожна програма читає stdin, обробляє дані та записує у stdout ",[5138,5760,5761],{},"без завантаження всього файлу у пам'ять",". Node.js успадкував цю концепцію та адаптував її для асинхронного JavaScript-середовища.",[5176,5764,5766],{"id":5765},"де-використовуються-streams-у-nodejs","Де використовуються Streams у Node.js",[5181,5768,5769],{},"Потоки є фундаментальною частиною Node.js і використовуються в багатьох вбудованих модулях:",[5197,5771,5773],{"className":5199,"code":5772,"language":5201,"meta":5202,"style":5202},"import fs from 'node:fs';\nimport type { ReadStream, WriteStream } from 'node:fs';\nimport http from 'node:http';\nimport zlib from 'node:zlib';\nimport crypto from 'node:crypto';\n\n\u002F\u002F 1. Файлова система\nconst readStream = fs.createReadStream('input.txt');   \u002F\u002F Readable\nconst writeStream = fs.createWriteStream('output.txt'); \u002F\u002F Writable\n\n\u002F\u002F 2. HTTP (request та response — це streams)\nhttp.createServer((req, res) => {\n  req.pipe(res); \u002F\u002F Readable (request) → Writable (response)\n});\n\n\u002F\u002F 3. Стиснення та шифрування\nconst gzip = zlib.createGzip();           \u002F\u002F Transform\nconst cipher = crypto.createCipher('aes-256-cbc', 'password'); \u002F\u002F Transform\n\n\u002F\u002F 4. Process stdio\nprocess.stdin.pipe(process.stdout);  \u002F\u002F stdin → stdout (echo)\n\n\u002F\u002F 5. Child processes\nimport { spawn } from 'node:child_process';\nconst ls = spawn('ls', ['-la']);\nls.stdout.pipe(process.stdout); \u002F\u002F Вивід дочірнього процесу → stdout\n",[5110,5774,5775,5788,5816,5830,5844,5858,5862,5867,5896,5922,5926,5931,5961,5980,5985,5989,5994,6017,6049,6054,6060,6090,6095,6101,6120,6146],{"__ignoreMap":5202},[5206,5776,5777,5779,5781,5783,5786],{"class":5208,"line":5209},[5206,5778,5213],{"class":5212},[5206,5780,5217],{"class":5216},[5206,5782,5220],{"class":5212},[5206,5784,5785],{"class":5223}," 'node:fs'",[5206,5787,5228],{"class":5227},[5206,5789,5790,5792,5795,5798,5801,5803,5806,5809,5812,5814],{"class":5208,"line":5231},[5206,5791,5213],{"class":5212},[5206,5793,5794],{"class":5212}," type",[5206,5796,5797],{"class":5227}," { ",[5206,5799,5800],{"class":5216},"ReadStream",[5206,5802,5113],{"class":5227},[5206,5804,5805],{"class":5216},"WriteStream",[5206,5807,5808],{"class":5227}," } ",[5206,5810,5811],{"class":5212},"from",[5206,5813,5785],{"class":5223},[5206,5815,5228],{"class":5227},[5206,5817,5818,5820,5823,5825,5828],{"class":5208,"line":5238},[5206,5819,5213],{"class":5212},[5206,5821,5822],{"class":5216}," http",[5206,5824,5220],{"class":5212},[5206,5826,5827],{"class":5223}," 'node:http'",[5206,5829,5228],{"class":5227},[5206,5831,5832,5834,5837,5839,5842],{"class":5208,"line":5245},[5206,5833,5213],{"class":5212},[5206,5835,5836],{"class":5216}," zlib",[5206,5838,5220],{"class":5212},[5206,5840,5841],{"class":5223}," 'node:zlib'",[5206,5843,5228],{"class":5227},[5206,5845,5846,5848,5851,5853,5856],{"class":5208,"line":5262},[5206,5847,5213],{"class":5212},[5206,5849,5850],{"class":5216}," crypto",[5206,5852,5220],{"class":5212},[5206,5854,5855],{"class":5223}," 'node:crypto'",[5206,5857,5228],{"class":5227},[5206,5859,5860],{"class":5208,"line":5268},[5206,5861,5235],{"emptyLinePlaceholder":5234},[5206,5863,5864],{"class":5208,"line":5304},[5206,5865,5866],{"class":5241},"\u002F\u002F 1. Файлова система\n",[5206,5868,5869,5872,5875,5877,5880,5882,5885,5887,5890,5893],{"class":5208,"line":5310},[5206,5870,5871],{"class":5248},"const",[5206,5873,5874],{"class":5274}," readStream",[5206,5876,5278],{"class":5227},[5206,5878,5879],{"class":5216},"fs",[5206,5881,5286],{"class":5227},[5206,5883,5884],{"class":5255},"createReadStream",[5206,5886,5292],{"class":5227},[5206,5888,5889],{"class":5223},"'input.txt'",[5206,5891,5892],{"class":5227},");   ",[5206,5894,5895],{"class":5241},"\u002F\u002F Readable\n",[5206,5897,5898,5900,5903,5905,5907,5909,5912,5914,5917,5919],{"class":5208,"line":5316},[5206,5899,5871],{"class":5248},[5206,5901,5902],{"class":5274}," writeStream",[5206,5904,5278],{"class":5227},[5206,5906,5879],{"class":5216},[5206,5908,5286],{"class":5227},[5206,5910,5911],{"class":5255},"createWriteStream",[5206,5913,5292],{"class":5227},[5206,5915,5916],{"class":5223},"'output.txt'",[5206,5918,5298],{"class":5227},[5206,5920,5921],{"class":5241},"\u002F\u002F Writable\n",[5206,5923,5924],{"class":5208,"line":5336},[5206,5925,5235],{"emptyLinePlaceholder":5234},[5206,5927,5928],{"class":5208,"line":5341},[5206,5929,5930],{"class":5241},"\u002F\u002F 2. HTTP (request та response — це streams)\n",[5206,5932,5933,5936,5938,5941,5944,5947,5949,5952,5955,5958],{"class":5208,"line":5347},[5206,5934,5935],{"class":5216},"http",[5206,5937,5286],{"class":5227},[5206,5939,5940],{"class":5255},"createServer",[5206,5942,5943],{"class":5227},"((",[5206,5945,5946],{"class":5216},"req",[5206,5948,5113],{"class":5227},[5206,5950,5951],{"class":5216},"res",[5206,5953,5954],{"class":5227},") ",[5206,5956,5957],{"class":5248},"=>",[5206,5959,5960],{"class":5227}," {\n",[5206,5962,5963,5966,5968,5971,5973,5975,5977],{"class":5208,"line":5372},[5206,5964,5965],{"class":5216},"  req",[5206,5967,5286],{"class":5227},[5206,5969,5970],{"class":5255},"pipe",[5206,5972,5292],{"class":5227},[5206,5974,5951],{"class":5216},[5206,5976,5298],{"class":5227},[5206,5978,5979],{"class":5241},"\u002F\u002F Readable (request) → Writable (response)\n",[5206,5981,5982],{"class":5208,"line":5451},[5206,5983,5984],{"class":5227},"});\n",[5206,5986,5987],{"class":5208,"line":5584},[5206,5988,5235],{"emptyLinePlaceholder":5234},[5206,5990,5991],{"class":5208,"line":5590},[5206,5992,5993],{"class":5241},"\u002F\u002F 3. Стиснення та шифрування\n",[5206,5995,5996,5998,6001,6003,6006,6008,6011,6014],{"class":5208,"line":5596},[5206,5997,5871],{"class":5248},[5206,5999,6000],{"class":5274}," gzip",[5206,6002,5278],{"class":5227},[5206,6004,6005],{"class":5216},"zlib",[5206,6007,5286],{"class":5227},[5206,6009,6010],{"class":5255},"createGzip",[5206,6012,6013],{"class":5227},"();           ",[5206,6015,6016],{"class":5241},"\u002F\u002F Transform\n",[5206,6018,6020,6022,6025,6027,6030,6032,6035,6037,6040,6042,6045,6047],{"class":5208,"line":6019},18,[5206,6021,5871],{"class":5248},[5206,6023,6024],{"class":5274}," cipher",[5206,6026,5278],{"class":5227},[5206,6028,6029],{"class":5216},"crypto",[5206,6031,5286],{"class":5227},[5206,6033,6034],{"class":5255},"createCipher",[5206,6036,5292],{"class":5227},[5206,6038,6039],{"class":5223},"'aes-256-cbc'",[5206,6041,5113],{"class":5227},[5206,6043,6044],{"class":5223},"'password'",[5206,6046,5298],{"class":5227},[5206,6048,6016],{"class":5241},[5206,6050,6052],{"class":5208,"line":6051},19,[5206,6053,5235],{"emptyLinePlaceholder":5234},[5206,6055,6057],{"class":5208,"line":6056},20,[5206,6058,6059],{"class":5241},"\u002F\u002F 4. Process stdio\n",[5206,6061,6063,6066,6068,6071,6073,6075,6077,6079,6081,6084,6087],{"class":5208,"line":6062},21,[5206,6064,6065],{"class":5216},"process",[5206,6067,5286],{"class":5227},[5206,6069,6070],{"class":5216},"stdin",[5206,6072,5286],{"class":5227},[5206,6074,5970],{"class":5255},[5206,6076,5292],{"class":5227},[5206,6078,6065],{"class":5216},[5206,6080,5286],{"class":5227},[5206,6082,6083],{"class":5216},"stdout",[5206,6085,6086],{"class":5227},");  ",[5206,6088,6089],{"class":5241},"\u002F\u002F stdin → stdout (echo)\n",[5206,6091,6093],{"class":5208,"line":6092},22,[5206,6094,5235],{"emptyLinePlaceholder":5234},[5206,6096,6098],{"class":5208,"line":6097},23,[5206,6099,6100],{"class":5241},"\u002F\u002F 5. Child processes\n",[5206,6102,6104,6106,6108,6111,6113,6115,6118],{"class":5208,"line":6103},24,[5206,6105,5213],{"class":5212},[5206,6107,5797],{"class":5227},[5206,6109,6110],{"class":5216},"spawn",[5206,6112,5808],{"class":5227},[5206,6114,5811],{"class":5212},[5206,6116,6117],{"class":5223}," 'node:child_process'",[5206,6119,5228],{"class":5227},[5206,6121,6123,6125,6128,6130,6132,6134,6137,6140,6143],{"class":5208,"line":6122},25,[5206,6124,5871],{"class":5248},[5206,6126,6127],{"class":5274}," ls",[5206,6129,5278],{"class":5227},[5206,6131,6110],{"class":5255},[5206,6133,5292],{"class":5227},[5206,6135,6136],{"class":5223},"'ls'",[5206,6138,6139],{"class":5227},", [",[5206,6141,6142],{"class":5223},"'-la'",[5206,6144,6145],{"class":5227},"]);\n",[5206,6147,6149,6152,6154,6156,6158,6160,6162,6164,6166,6168,6170],{"class":5208,"line":6148},26,[5206,6150,6151],{"class":5216},"ls",[5206,6153,5286],{"class":5227},[5206,6155,6083],{"class":5216},[5206,6157,5286],{"class":5227},[5206,6159,5970],{"class":5255},[5206,6161,5292],{"class":5227},[5206,6163,6065],{"class":5216},[5206,6165,5286],{"class":5227},[5206,6167,6083],{"class":5216},[5206,6169,5298],{"class":5227},[5206,6171,6172],{"class":5241},"\u002F\u002F Вивід дочірнього процесу → stdout\n",[6174,6175,6176,6181,6201,6204],"tip",{},[5181,6177,6178],{},[5138,6179,6180],{},"Універсальність Streams API:",[5181,6182,6183,6184,5113,6187,5113,6190,5187,6193,6196,6197,6200],{},"Усі потоки у Node.js успадковують від базових класів ",[5110,6185,6186],{},"stream.Readable",[5110,6188,6189],{},"stream.Writable",[5110,6191,6192],{},"stream.Duplex",[5110,6194,6195],{},"stream.Transform",". Це означає, що методи та події, вивчені для файлових потоків, працюють ",[5138,6198,6199],{},"однаково"," для HTTP, стиснення, шифрування та інших типів потоків.",[5181,6202,6203],{},"Завдяки цій уніфікації можна будувати складні конвеєри обробки даних, комбінуючи потоки з різних модулів:",[5197,6205,6207],{"className":5199,"code":6206,"language":5201,"meta":5202,"style":5202},"\u002F\u002F Читання файлу → Стиснення → Шифрування → Завантаження на S3\nfs.createReadStream('large.txt')\n  .pipe(zlib.createGzip())\n  .pipe(crypto.createCipher('aes-256-cbc', key))\n  .pipe(s3UploadStream);\n",[5110,6208,6209,6214,6230,6248,6274],{"__ignoreMap":5202},[5206,6210,6211],{"class":5208,"line":5209},[5206,6212,6213],{"class":5241},"\u002F\u002F Читання файлу → Стиснення → Шифрування → Завантаження на S3\n",[5206,6215,6216,6218,6220,6222,6224,6227],{"class":5208,"line":5231},[5206,6217,5879],{"class":5216},[5206,6219,5286],{"class":5227},[5206,6221,5884],{"class":5255},[5206,6223,5292],{"class":5227},[5206,6225,6226],{"class":5223},"'large.txt'",[5206,6228,6229],{"class":5227},")\n",[5206,6231,6232,6235,6237,6239,6241,6243,6245],{"class":5208,"line":5238},[5206,6233,6234],{"class":5227},"  .",[5206,6236,5970],{"class":5255},[5206,6238,5292],{"class":5227},[5206,6240,6005],{"class":5216},[5206,6242,5286],{"class":5227},[5206,6244,6010],{"class":5255},[5206,6246,6247],{"class":5227},"())\n",[5206,6249,6250,6252,6254,6256,6258,6260,6262,6264,6266,6268,6271],{"class":5208,"line":5245},[5206,6251,6234],{"class":5227},[5206,6253,5970],{"class":5255},[5206,6255,5292],{"class":5227},[5206,6257,6029],{"class":5216},[5206,6259,5286],{"class":5227},[5206,6261,6034],{"class":5255},[5206,6263,5292],{"class":5227},[5206,6265,6039],{"class":5223},[5206,6267,5113],{"class":5227},[5206,6269,6270],{"class":5216},"key",[5206,6272,6273],{"class":5227},"))\n",[5206,6275,6276,6278,6280,6282,6285],{"class":5208,"line":5262},[5206,6277,6234],{"class":5227},[5206,6279,5970],{"class":5255},[5206,6281,5292],{"class":5227},[5206,6283,6284],{"class":5216},"s3UploadStream",[5206,6286,5333],{"class":5227},[5171,6288,6290],{"id":6289},"типи-потоків-у-nodejs","Типи потоків у Node.js",[5181,6292,6293,6294,6297],{},"Node.js визначає ",[5138,6295,6296],{},"чотири основних типи потоків",", кожен з яких призначений для специфічних сценаріїв обробки даних:",[5377,6299,6300],{},[5197,6301,6303],{"className":5381,"code":6302,"language":5377,"meta":5202,"style":5202},"graph TD\n    A[Stream Types] --> B[Readable\u003Cbr\u002F>Джерело даних]\n    A --> C[Writable\u003Cbr\u002F>Приймач даних]\n    A --> D[Duplex\u003Cbr\u002F>Двосторонній]\n    A --> E[Transform\u003Cbr\u002F>Трансформація]\n    \n    B --> B1[\"Приклади:\u003Cbr\u002F>fs.createReadStream\u003Cbr\u002F>http.IncomingMessage\u003Cbr\u002F>process.stdin\"]\n    B --> B2[\"Можливості:\u003Cbr\u002F>read, pipe\"]\n    B --> B3[\"Події:\u003Cbr\u002F>data, end, error\"]\n    \n    C --> C1[\"Приклади:\u003Cbr\u002F>fs.createWriteStream\u003Cbr\u002F>http.ServerResponse\u003Cbr\u002F>process.stdout\"]\n    C --> C2[\"Можливості:\u003Cbr\u002F>write, end\"]\n    C --> C3[\"Події:\u003Cbr\u002F>drain, finish, error\"]\n    \n    D --> D1[\"Приклади:\u003Cbr\u002F>net.Socket\u003Cbr\u002F>TCP\u002FUDP з'єднання\"]\n    D --> D2[\"Можливості:\u003Cbr\u002F>read + write\"]\n    \n    E --> E1[\"Приклади:\u003Cbr\u002F>zlib.createGzip\u003Cbr\u002F>crypto.createCipher\u003Cbr\u002F>stream.Transform\"]\n    E --> E2[\"Особливість:\u003Cbr\u002F>Читає → Трансформує → Пише\"]\n    \n    style B fill:#dbeafe,stroke:#1e40af,color:#1e293b\n    style C fill:#dcfce7,stroke:#15803d,color:#1e293b\n    style D fill:#fef3c7,stroke:#b45309,color:#1e293b\n    style E fill:#e0e7ff,stroke:#4338ca,color:#1e293b\n",[5110,6304,6305,6309,6314,6319,6324,6329,6333,6338,6343,6348,6352,6357,6362,6367,6371,6376,6381,6385,6390,6395,6399,6404,6409,6414],{"__ignoreMap":5202},[5206,6306,6307],{"class":5208,"line":5209},[5206,6308,5389],{},[5206,6310,6311],{"class":5208,"line":5231},[5206,6312,6313],{},"    A[Stream Types] --> B[Readable\u003Cbr\u002F>Джерело даних]\n",[5206,6315,6316],{"class":5208,"line":5238},[5206,6317,6318],{},"    A --> C[Writable\u003Cbr\u002F>Приймач даних]\n",[5206,6320,6321],{"class":5208,"line":5245},[5206,6322,6323],{},"    A --> D[Duplex\u003Cbr\u002F>Двосторонній]\n",[5206,6325,6326],{"class":5208,"line":5262},[5206,6327,6328],{},"    A --> E[Transform\u003Cbr\u002F>Трансформація]\n",[5206,6330,6331],{"class":5208,"line":5268},[5206,6332,5409],{},[5206,6334,6335],{"class":5208,"line":5304},[5206,6336,6337],{},"    B --> B1[\"Приклади:\u003Cbr\u002F>fs.createReadStream\u003Cbr\u002F>http.IncomingMessage\u003Cbr\u002F>process.stdin\"]\n",[5206,6339,6340],{"class":5208,"line":5310},[5206,6341,6342],{},"    B --> B2[\"Можливості:\u003Cbr\u002F>read, pipe\"]\n",[5206,6344,6345],{"class":5208,"line":5316},[5206,6346,6347],{},"    B --> B3[\"Події:\u003Cbr\u002F>data, end, error\"]\n",[5206,6349,6350],{"class":5208,"line":5336},[5206,6351,5409],{},[5206,6353,6354],{"class":5208,"line":5341},[5206,6355,6356],{},"    C --> C1[\"Приклади:\u003Cbr\u002F>fs.createWriteStream\u003Cbr\u002F>http.ServerResponse\u003Cbr\u002F>process.stdout\"]\n",[5206,6358,6359],{"class":5208,"line":5347},[5206,6360,6361],{},"    C --> C2[\"Можливості:\u003Cbr\u002F>write, end\"]\n",[5206,6363,6364],{"class":5208,"line":5372},[5206,6365,6366],{},"    C --> C3[\"Події:\u003Cbr\u002F>drain, finish, error\"]\n",[5206,6368,6369],{"class":5208,"line":5451},[5206,6370,5409],{},[5206,6372,6373],{"class":5208,"line":5584},[5206,6374,6375],{},"    D --> D1[\"Приклади:\u003Cbr\u002F>net.Socket\u003Cbr\u002F>TCP\u002FUDP з'єднання\"]\n",[5206,6377,6378],{"class":5208,"line":5590},[5206,6379,6380],{},"    D --> D2[\"Можливості:\u003Cbr\u002F>read + write\"]\n",[5206,6382,6383],{"class":5208,"line":5596},[5206,6384,5409],{},[5206,6386,6387],{"class":5208,"line":6019},[5206,6388,6389],{},"    E --> E1[\"Приклади:\u003Cbr\u002F>zlib.createGzip\u003Cbr\u002F>crypto.createCipher\u003Cbr\u002F>stream.Transform\"]\n",[5206,6391,6392],{"class":5208,"line":6051},[5206,6393,6394],{},"    E --> E2[\"Особливість:\u003Cbr\u002F>Читає → Трансформує → Пише\"]\n",[5206,6396,6397],{"class":5208,"line":6056},[5206,6398,5409],{},[5206,6400,6401],{"class":5208,"line":6062},[5206,6402,6403],{},"    style B fill:#dbeafe,stroke:#1e40af,color:#1e293b\n",[5206,6405,6406],{"class":5208,"line":6092},[5206,6407,6408],{},"    style C fill:#dcfce7,stroke:#15803d,color:#1e293b\n",[5206,6410,6411],{"class":5208,"line":6097},[5206,6412,6413],{},"    style D fill:#fef3c7,stroke:#b45309,color:#1e293b\n",[5206,6415,6416],{"class":5208,"line":6103},[5206,6417,6418],{},"    style E fill:#e0e7ff,stroke:#4338ca,color:#1e293b\n",[5176,6420,6422],{"id":6421},"порівняльна-таблиця-типів-потоків","Порівняльна таблиця типів потоків",[5606,6424,6425,6444],{},[5609,6426,6427],{},[5612,6428,6429,6432,6435,6438,6441],{},[5615,6430,6431],{},"Тип",[5615,6433,6434],{},"Може читати",[5615,6436,6437],{},"Може писати",[5615,6439,6440],{},"Наслідується від",[5615,6442,6443],{},"Типові use cases",[5625,6445,6446,6466,6484,6502],{},[5612,6447,6448,6453,6456,6459,6463],{},[5630,6449,6450],{},[5138,6451,6452],{},"Readable",[5630,6454,6455],{},"✅ Так",[5630,6457,6458],{},"❌ Ні",[5630,6460,6461],{},[5110,6462,6186],{},[5630,6464,6465],{},"Читання файлів, HTTP-запити (req), stdout дочірніх процесів",[5612,6467,6468,6473,6475,6477,6481],{},[5630,6469,6470],{},[5138,6471,6472],{},"Writable",[5630,6474,6458],{},[5630,6476,6455],{},[5630,6478,6479],{},[5110,6480,6189],{},[5630,6482,6483],{},"Запис файлів, HTTP-відповіді (res), stdin дочірніх процесів",[5612,6485,6486,6491,6493,6495,6499],{},[5630,6487,6488],{},[5138,6489,6490],{},"Duplex",[5630,6492,6455],{},[5630,6494,6455],{},[5630,6496,6497],{},[5110,6498,6192],{},[5630,6500,6501],{},"TCP-сокети, WebSockets, двостороння комунікація",[5612,6503,6504,6509,6511,6513,6518],{},[5630,6505,6506],{},[5138,6507,6508],{},"Transform",[5630,6510,6455],{},[5630,6512,6455],{},[5630,6514,6515,6517],{},[5110,6516,6195],{}," (успадковує від Duplex)",[5630,6519,6520],{},"Стиснення (gzip), шифрування, парсинг CSV → JSON",[6522,6523,6524,6529,6540,6547,6555,6561],"warning",{},[5181,6525,6526],{},[5138,6527,6528],{},"Важливе уточнення щодо Transform:",[5181,6530,6531,6532,6535,6536,6539],{},"Transform-потік є ",[5138,6533,6534],{},"спеціалізованим випадком Duplex",", де записані дані автоматично перетворюються та стають доступними для читання. У звичайному Duplex-потоці читання та запис ",[5138,6537,6538],{},"незалежні"," (наприклад, у TCP-сокеті можна одночасно надсилати та отримувати різні дані).",[5181,6541,6542,6543,6546],{},"У Transform-потоку ",[5138,6544,6545],{},"вхід пов'язаний з виходом через функцію трансформації",":",[5197,6548,6553],{"className":6549,"code":6551,"language":6552},[6550],"language-text","Input → _transform(chunk) → Output\n","text",[5110,6554,6551],{"__ignoreMap":5202},[5181,6556,6557,6558,6546],{},"Наприклад, у ",[5110,6559,6560],{},"zlib.createGzip()",[5092,6562,6563,6570,6573],{},[5095,6564,6565,6566,6569],{},"Вхід: звичайні дані (",[5110,6567,6568],{},"\"Hello, world!\"",")",[5095,6571,6572],{},"Трансформація: алгоритм gzip стиснення",[5095,6574,6575,6576,6579],{},"Вихід: стиснені байти (",[5110,6577,6578],{},".gz"," формат)",[5176,6581,6583],{"id":6582},"потоки-як-eventemitter","Потоки як EventEmitter",[5181,6585,6586,6587,6590,6591,6594],{},"Усі типи потоків успадковують від ",[5110,6588,6589],{},"EventEmitter",", що означає, що вони ",[5138,6592,6593],{},"працюють через події"," замість промісів або callbacks:",[5197,6596,6598],{"className":5199,"code":6597,"language":5201,"meta":5202,"style":5202},"import fs from 'node:fs';\nimport type { ReadStream, WriteStream } from 'node:fs';\n\nconst readStream = fs.createReadStream('data.txt');\n\n\u002F\u002F Підписка на події (event-driven programming)\nreadStream.on('data', (chunk: Buffer) => {\n  console.log('Отримано chunk розміром:', chunk.length);\n});\n\nreadStream.on('end', (): void => {\n  console.log('Читання завершено');\n});\n\nreadStream.on('error', (error: Error) => {\n  console.error('Помилка читання:', error);\n});\n",[5110,6599,6600,6612,6634,6638,6659,6663,6668,6702,6728,6732,6736,6760,6775,6779,6783,6811,6830],{"__ignoreMap":5202},[5206,6601,6602,6604,6606,6608,6610],{"class":5208,"line":5209},[5206,6603,5213],{"class":5212},[5206,6605,5217],{"class":5216},[5206,6607,5220],{"class":5212},[5206,6609,5785],{"class":5223},[5206,6611,5228],{"class":5227},[5206,6613,6614,6616,6618,6620,6622,6624,6626,6628,6630,6632],{"class":5208,"line":5231},[5206,6615,5213],{"class":5212},[5206,6617,5794],{"class":5212},[5206,6619,5797],{"class":5227},[5206,6621,5800],{"class":5216},[5206,6623,5113],{"class":5227},[5206,6625,5805],{"class":5216},[5206,6627,5808],{"class":5227},[5206,6629,5811],{"class":5212},[5206,6631,5785],{"class":5223},[5206,6633,5228],{"class":5227},[5206,6635,6636],{"class":5208,"line":5238},[5206,6637,5235],{"emptyLinePlaceholder":5234},[5206,6639,6640,6642,6644,6646,6648,6650,6652,6654,6657],{"class":5208,"line":5245},[5206,6641,5871],{"class":5248},[5206,6643,5874],{"class":5274},[5206,6645,5278],{"class":5227},[5206,6647,5879],{"class":5216},[5206,6649,5286],{"class":5227},[5206,6651,5884],{"class":5255},[5206,6653,5292],{"class":5227},[5206,6655,6656],{"class":5223},"'data.txt'",[5206,6658,5333],{"class":5227},[5206,6660,6661],{"class":5208,"line":5262},[5206,6662,5235],{"emptyLinePlaceholder":5234},[5206,6664,6665],{"class":5208,"line":5268},[5206,6666,6667],{"class":5241},"\u002F\u002F Підписка на події (event-driven programming)\n",[5206,6669,6670,6673,6675,6678,6680,6683,6686,6689,6692,6696,6698,6700],{"class":5208,"line":5304},[5206,6671,6672],{"class":5216},"readStream",[5206,6674,5286],{"class":5227},[5206,6676,6677],{"class":5255},"on",[5206,6679,5292],{"class":5227},[5206,6681,6682],{"class":5223},"'data'",[5206,6684,6685],{"class":5227},", (",[5206,6687,6688],{"class":5216},"chunk",[5206,6690,6691],{"class":5227},": ",[5206,6693,6695],{"class":6694},"sN1BT","Buffer",[5206,6697,5954],{"class":5227},[5206,6699,5957],{"class":5248},[5206,6701,5960],{"class":5227},[5206,6703,6704,6707,6709,6712,6714,6717,6719,6721,6723,6726],{"class":5208,"line":5310},[5206,6705,6706],{"class":5216},"  console",[5206,6708,5286],{"class":5227},[5206,6710,6711],{"class":5255},"log",[5206,6713,5292],{"class":5227},[5206,6715,6716],{"class":5223},"'Отримано chunk розміром:'",[5206,6718,5113],{"class":5227},[5206,6720,6688],{"class":5216},[5206,6722,5286],{"class":5227},[5206,6724,6725],{"class":5216},"length",[5206,6727,5333],{"class":5227},[5206,6729,6730],{"class":5208,"line":5316},[5206,6731,5984],{"class":5227},[5206,6733,6734],{"class":5208,"line":5336},[5206,6735,5235],{"emptyLinePlaceholder":5234},[5206,6737,6738,6740,6742,6744,6746,6749,6752,6755,6758],{"class":5208,"line":5341},[5206,6739,6672],{"class":5216},[5206,6741,5286],{"class":5227},[5206,6743,6677],{"class":5255},[5206,6745,5292],{"class":5227},[5206,6747,6748],{"class":5223},"'end'",[5206,6750,6751],{"class":5227},", (): ",[5206,6753,6754],{"class":6694},"void",[5206,6756,6757],{"class":5248}," =>",[5206,6759,5960],{"class":5227},[5206,6761,6762,6764,6766,6768,6770,6773],{"class":5208,"line":5347},[5206,6763,6706],{"class":5216},[5206,6765,5286],{"class":5227},[5206,6767,6711],{"class":5255},[5206,6769,5292],{"class":5227},[5206,6771,6772],{"class":5223},"'Читання завершено'",[5206,6774,5333],{"class":5227},[5206,6776,6777],{"class":5208,"line":5372},[5206,6778,5984],{"class":5227},[5206,6780,6781],{"class":5208,"line":5451},[5206,6782,5235],{"emptyLinePlaceholder":5234},[5206,6784,6785,6787,6789,6791,6793,6796,6798,6800,6802,6805,6807,6809],{"class":5208,"line":5584},[5206,6786,6672],{"class":5216},[5206,6788,5286],{"class":5227},[5206,6790,6677],{"class":5255},[5206,6792,5292],{"class":5227},[5206,6794,6795],{"class":5223},"'error'",[5206,6797,6685],{"class":5227},[5206,6799,5119],{"class":5216},[5206,6801,6691],{"class":5227},[5206,6803,6804],{"class":6694},"Error",[5206,6806,5954],{"class":5227},[5206,6808,5957],{"class":5248},[5206,6810,5960],{"class":5227},[5206,6812,6813,6815,6817,6819,6821,6824,6826,6828],{"class":5208,"line":5590},[5206,6814,6706],{"class":5216},[5206,6816,5286],{"class":5227},[5206,6818,5119],{"class":5255},[5206,6820,5292],{"class":5227},[5206,6822,6823],{"class":5223},"'Помилка читання:'",[5206,6825,5113],{"class":5227},[5206,6827,5119],{"class":5216},[5206,6829,5333],{"class":5227},[5206,6831,6832],{"class":5208,"line":5596},[5206,6833,5984],{"class":5227},[5694,6835,6836,6841,6851,6990],{},[5181,6837,6838],{},[5138,6839,6840],{},"Асинхронні ітератори як альтернатива:",[5181,6842,6843,6844,6847,6848,6546],{},"Починаючи з Node.js 10, потоки підтримують асинхронні ітератори (",[5099,6845,6846],{},"async iterators","), що дозволяє використовувати їх з ",[5110,6849,6850],{},"for await...of",[5197,6852,6854],{"className":5199,"code":6853,"language":5201,"meta":5202,"style":5202},"import fs from 'node:fs';\nimport type { ReadStream, WriteStream } from 'node:fs';\n\nconst stream = fs.createReadStream('large-file.txt');\n\nfor await (const chunk of stream) {\n  console.log('Chunk:', chunk.length);\n}\n\nconsole.log('Завершено');\n",[5110,6855,6856,6868,6890,6894,6916,6920,6943,6966,6970,6974],{"__ignoreMap":5202},[5206,6857,6858,6860,6862,6864,6866],{"class":5208,"line":5209},[5206,6859,5213],{"class":5212},[5206,6861,5217],{"class":5216},[5206,6863,5220],{"class":5212},[5206,6865,5785],{"class":5223},[5206,6867,5228],{"class":5227},[5206,6869,6870,6872,6874,6876,6878,6880,6882,6884,6886,6888],{"class":5208,"line":5231},[5206,6871,5213],{"class":5212},[5206,6873,5794],{"class":5212},[5206,6875,5797],{"class":5227},[5206,6877,5800],{"class":5216},[5206,6879,5113],{"class":5227},[5206,6881,5805],{"class":5216},[5206,6883,5808],{"class":5227},[5206,6885,5811],{"class":5212},[5206,6887,5785],{"class":5223},[5206,6889,5228],{"class":5227},[5206,6891,6892],{"class":5208,"line":5238},[5206,6893,5235],{"emptyLinePlaceholder":5234},[5206,6895,6896,6898,6901,6903,6905,6907,6909,6911,6914],{"class":5208,"line":5245},[5206,6897,5871],{"class":5248},[5206,6899,6900],{"class":5274}," stream",[5206,6902,5278],{"class":5227},[5206,6904,5879],{"class":5216},[5206,6906,5286],{"class":5227},[5206,6908,5884],{"class":5255},[5206,6910,5292],{"class":5227},[5206,6912,6913],{"class":5223},"'large-file.txt'",[5206,6915,5333],{"class":5227},[5206,6917,6918],{"class":5208,"line":5262},[5206,6919,5235],{"emptyLinePlaceholder":5234},[5206,6921,6922,6925,6928,6930,6932,6935,6938,6940],{"class":5208,"line":5268},[5206,6923,6924],{"class":5212},"for",[5206,6926,6927],{"class":5212}," await",[5206,6929,5504],{"class":5227},[5206,6931,5871],{"class":5248},[5206,6933,6934],{"class":5274}," chunk",[5206,6936,6937],{"class":5248}," of",[5206,6939,6900],{"class":5216},[5206,6941,6942],{"class":5227},") {\n",[5206,6944,6945,6947,6949,6951,6953,6956,6958,6960,6962,6964],{"class":5208,"line":5304},[5206,6946,6706],{"class":5216},[5206,6948,5286],{"class":5227},[5206,6950,6711],{"class":5255},[5206,6952,5292],{"class":5227},[5206,6954,6955],{"class":5223},"'Chunk:'",[5206,6957,5113],{"class":5227},[5206,6959,6688],{"class":5216},[5206,6961,5286],{"class":5227},[5206,6963,6725],{"class":5216},[5206,6965,5333],{"class":5227},[5206,6967,6968],{"class":5208,"line":5310},[5206,6969,5375],{"class":5227},[5206,6971,6972],{"class":5208,"line":5316},[5206,6973,5235],{"emptyLinePlaceholder":5234},[5206,6975,6976,6979,6981,6983,6985,6988],{"class":5208,"line":5336},[5206,6977,6978],{"class":5216},"console",[5206,6980,5286],{"class":5227},[5206,6982,6711],{"class":5255},[5206,6984,5292],{"class":5227},[5206,6986,6987],{"class":5223},"'Завершено'",[5206,6989,5333],{"class":5227},[5181,6991,6992,6993,5187,6995,5286],{},"Цей підхід більш сучасний та читабельний, але під капотом все одно працює через події ",[5110,6994,5112],{},[5110,6996,5116],{},[5171,6998,7000],{"id":6999},"readable-stream-читання-даних-частинами","Readable Stream: читання даних частинами",[5176,7002,7004],{"id":7003},"створення-readable-stream-для-файлів","Створення Readable Stream для файлів",[5181,7006,7007,7008,6546],{},"Найпростіший спосіб створити Readable Stream — використати ",[5110,7009,7010],{},"fs.createReadStream()",[5197,7012,7014],{"className":5199,"code":7013,"language":5201,"meta":5202,"style":5202},"import fs from 'node:fs';\nimport type { ReadStream, WriteStream } from 'node:fs';\n\n\u002F\u002F Створення потоку для читання файлу\nconst readStream = fs.createReadStream('large-file.txt', {\n  encoding: 'utf8',      \u002F\u002F Автоматична конвертація Buffer → String\n  highWaterMark: 64 * 1024,  \u002F\u002F Розмір буфера (64 КБ за замовчуванням)\n  start: 0,              \u002F\u002F Початкова позиція у файлі (байт)\n  end: undefined,        \u002F\u002F Кінцева позиція (undefined = до кінця файлу)\n  autoClose: true        \u002F\u002F Автоматичне закриття файлового дескриптора\n});\n\nconsole.log('Stream створено, але читання ще не почалося');\n",[5110,7015,7016,7028,7050,7054,7059,7080,7094,7114,7128,7142,7153,7157,7161],{"__ignoreMap":5202},[5206,7017,7018,7020,7022,7024,7026],{"class":5208,"line":5209},[5206,7019,5213],{"class":5212},[5206,7021,5217],{"class":5216},[5206,7023,5220],{"class":5212},[5206,7025,5785],{"class":5223},[5206,7027,5228],{"class":5227},[5206,7029,7030,7032,7034,7036,7038,7040,7042,7044,7046,7048],{"class":5208,"line":5231},[5206,7031,5213],{"class":5212},[5206,7033,5794],{"class":5212},[5206,7035,5797],{"class":5227},[5206,7037,5800],{"class":5216},[5206,7039,5113],{"class":5227},[5206,7041,5805],{"class":5216},[5206,7043,5808],{"class":5227},[5206,7045,5811],{"class":5212},[5206,7047,5785],{"class":5223},[5206,7049,5228],{"class":5227},[5206,7051,7052],{"class":5208,"line":5238},[5206,7053,5235],{"emptyLinePlaceholder":5234},[5206,7055,7056],{"class":5208,"line":5245},[5206,7057,7058],{"class":5241},"\u002F\u002F Створення потоку для читання файлу\n",[5206,7060,7061,7063,7065,7067,7069,7071,7073,7075,7077],{"class":5208,"line":5262},[5206,7062,5871],{"class":5248},[5206,7064,5874],{"class":5274},[5206,7066,5278],{"class":5227},[5206,7068,5879],{"class":5216},[5206,7070,5286],{"class":5227},[5206,7072,5884],{"class":5255},[5206,7074,5292],{"class":5227},[5206,7076,6913],{"class":5223},[5206,7078,7079],{"class":5227},", {\n",[5206,7081,7082,7085,7088,7091],{"class":5208,"line":5268},[5206,7083,7084],{"class":5216},"  encoding:",[5206,7086,7087],{"class":5223}," 'utf8'",[5206,7089,7090],{"class":5227},",      ",[5206,7092,7093],{"class":5241},"\u002F\u002F Автоматична конвертація Buffer → String\n",[5206,7095,7096,7099,7102,7105,7108,7111],{"class":5208,"line":5304},[5206,7097,7098],{"class":5216},"  highWaterMark:",[5206,7100,7101],{"class":5754}," 64",[5206,7103,7104],{"class":5227}," * ",[5206,7106,7107],{"class":5754},"1024",[5206,7109,7110],{"class":5227},",  ",[5206,7112,7113],{"class":5241},"\u002F\u002F Розмір буфера (64 КБ за замовчуванням)\n",[5206,7115,7116,7119,7122,7125],{"class":5208,"line":5310},[5206,7117,7118],{"class":5216},"  start:",[5206,7120,7121],{"class":5754}," 0",[5206,7123,7124],{"class":5227},",              ",[5206,7126,7127],{"class":5241},"\u002F\u002F Початкова позиція у файлі (байт)\n",[5206,7129,7130,7133,7136,7139],{"class":5208,"line":5316},[5206,7131,7132],{"class":5216},"  end:",[5206,7134,7135],{"class":5248}," undefined",[5206,7137,7138],{"class":5227},",        ",[5206,7140,7141],{"class":5241},"\u002F\u002F Кінцева позиція (undefined = до кінця файлу)\n",[5206,7143,7144,7147,7150],{"class":5208,"line":5336},[5206,7145,7146],{"class":5216},"  autoClose:",[5206,7148,7149],{"class":5248}," true",[5206,7151,7152],{"class":5241},"        \u002F\u002F Автоматичне закриття файлового дескриптора\n",[5206,7154,7155],{"class":5208,"line":5341},[5206,7156,5984],{"class":5227},[5206,7158,7159],{"class":5208,"line":5347},[5206,7160,5235],{"emptyLinePlaceholder":5234},[5206,7162,7163,7165,7167,7169,7171,7174],{"class":5208,"line":5372},[5206,7164,6978],{"class":5216},[5206,7166,5286],{"class":5227},[5206,7168,6711],{"class":5255},[5206,7170,5292],{"class":5227},[5206,7172,7173],{"class":5223},"'Stream створено, але читання ще не почалося'",[5206,7175,5333],{"class":5227},[5181,7177,7178],{},[5138,7179,7180],{},"Параметри конфігурації:",[7182,7183,7184,7220,7234,7238],"field-group",{},[7185,7186,7189,7202],"field",{"name":7187,"type":7188},"encoding","string | null",[5181,7190,7191,7192,7194,7195,7198,7199,7201],{},"Кодування для автоматичної конвертації ",[5110,7193,6695],{}," у рядок. Якщо ",[5110,7196,7197],{},"null"," (за замовчуванням), повертаються ",[5110,7200,6695],{}," об'єкти.",[5181,7203,7204,7205,5113,7208,5113,7211,5113,7214,5113,7217,5286],{},"Підтримувані значення: ",[5110,7206,7207],{},"'utf8'",[5110,7209,7210],{},"'utf16le'",[5110,7212,7213],{},"'latin1'",[5110,7215,7216],{},"'base64'",[5110,7218,7219],{},"'hex'",[7185,7221,7224,7227],{"name":7222,"type":7223},"highWaterMark","number",[5181,7225,7226],{},"Максимальний розмір внутрішнього буфера у байтах. Потік намагатиметься читати chunks такого розміру з диска.",[5181,7228,7229,7230,7233],{},"За замовчуванням: ",[5110,7231,7232],{},"64 * 1024"," (64 КБ) для файлових потоків.",[7185,7235,7237],{"name":7236,"type":7223},"start","Позиція у файлі (у байтах), з якої почати читання. Корисно для resumable uploads або вибірки діапазонів (Range requests).",[7185,7239,7240],{"name":5116,"type":7223},"Позиція у файлі (у байтах), на якій зупинити читання. Якщо не вказано, читання йде до кінця файлу.",[5176,7242,7244],{"id":7243},"режими-роботи-readable-stream","Режими роботи Readable Stream",[5181,7246,7247],{},"Readable Stream може працювати у двох режимах:",[5181,7249,7250],{},[5138,7251,7252],{},"1. Flowing Mode (Потоковий режим):",[5181,7254,7255,7256,7258],{},"Дані автоматично читаються з джерела та надаються через події ",[5110,7257,5112],{}," так швидко, як це можливо.",[5197,7260,7262],{"className":5199,"code":7261,"language":5201,"meta":5202,"style":5202},"import fs from 'node:fs';\nimport type { ReadStream, WriteStream } from 'node:fs';\n\nconst stream = fs.createReadStream('data.txt', { encoding: 'utf8' });\n\n\u002F\u002F Підписка на подію 'data' автоматично переводить потік у flowing mode\nstream.on('data', (chunk: Buffer) => {\n  console.log('Отримано chunk:', chunk);\n  \u002F\u002F Дані надходять автоматично, доки не закінчаться або не буде викликано pause()\n});\n\nstream.on('end', (): void => {\n  console.log('Читання завершено');\n});\n\nstream.on('error', (error: Error) => {\n  console.error('Помилка:', error);\n});\n",[5110,7263,7264,7276,7298,7302,7331,7335,7340,7367,7386,7391,7395,7399,7419,7433,7437,7441,7467,7486],{"__ignoreMap":5202},[5206,7265,7266,7268,7270,7272,7274],{"class":5208,"line":5209},[5206,7267,5213],{"class":5212},[5206,7269,5217],{"class":5216},[5206,7271,5220],{"class":5212},[5206,7273,5785],{"class":5223},[5206,7275,5228],{"class":5227},[5206,7277,7278,7280,7282,7284,7286,7288,7290,7292,7294,7296],{"class":5208,"line":5231},[5206,7279,5213],{"class":5212},[5206,7281,5794],{"class":5212},[5206,7283,5797],{"class":5227},[5206,7285,5800],{"class":5216},[5206,7287,5113],{"class":5227},[5206,7289,5805],{"class":5216},[5206,7291,5808],{"class":5227},[5206,7293,5811],{"class":5212},[5206,7295,5785],{"class":5223},[5206,7297,5228],{"class":5227},[5206,7299,7300],{"class":5208,"line":5238},[5206,7301,5235],{"emptyLinePlaceholder":5234},[5206,7303,7304,7306,7308,7310,7312,7314,7316,7318,7320,7323,7326,7328],{"class":5208,"line":5245},[5206,7305,5871],{"class":5248},[5206,7307,6900],{"class":5274},[5206,7309,5278],{"class":5227},[5206,7311,5879],{"class":5216},[5206,7313,5286],{"class":5227},[5206,7315,5884],{"class":5255},[5206,7317,5292],{"class":5227},[5206,7319,6656],{"class":5223},[5206,7321,7322],{"class":5227},", { ",[5206,7324,7325],{"class":5216},"encoding:",[5206,7327,7087],{"class":5223},[5206,7329,7330],{"class":5227}," });\n",[5206,7332,7333],{"class":5208,"line":5262},[5206,7334,5235],{"emptyLinePlaceholder":5234},[5206,7336,7337],{"class":5208,"line":5268},[5206,7338,7339],{"class":5241},"\u002F\u002F Підписка на подію 'data' автоматично переводить потік у flowing mode\n",[5206,7341,7342,7345,7347,7349,7351,7353,7355,7357,7359,7361,7363,7365],{"class":5208,"line":5304},[5206,7343,7344],{"class":5216},"stream",[5206,7346,5286],{"class":5227},[5206,7348,6677],{"class":5255},[5206,7350,5292],{"class":5227},[5206,7352,6682],{"class":5223},[5206,7354,6685],{"class":5227},[5206,7356,6688],{"class":5216},[5206,7358,6691],{"class":5227},[5206,7360,6695],{"class":6694},[5206,7362,5954],{"class":5227},[5206,7364,5957],{"class":5248},[5206,7366,5960],{"class":5227},[5206,7368,7369,7371,7373,7375,7377,7380,7382,7384],{"class":5208,"line":5310},[5206,7370,6706],{"class":5216},[5206,7372,5286],{"class":5227},[5206,7374,6711],{"class":5255},[5206,7376,5292],{"class":5227},[5206,7378,7379],{"class":5223},"'Отримано chunk:'",[5206,7381,5113],{"class":5227},[5206,7383,6688],{"class":5216},[5206,7385,5333],{"class":5227},[5206,7387,7388],{"class":5208,"line":5316},[5206,7389,7390],{"class":5241},"  \u002F\u002F Дані надходять автоматично, доки не закінчаться або не буде викликано pause()\n",[5206,7392,7393],{"class":5208,"line":5336},[5206,7394,5984],{"class":5227},[5206,7396,7397],{"class":5208,"line":5341},[5206,7398,5235],{"emptyLinePlaceholder":5234},[5206,7400,7401,7403,7405,7407,7409,7411,7413,7415,7417],{"class":5208,"line":5347},[5206,7402,7344],{"class":5216},[5206,7404,5286],{"class":5227},[5206,7406,6677],{"class":5255},[5206,7408,5292],{"class":5227},[5206,7410,6748],{"class":5223},[5206,7412,6751],{"class":5227},[5206,7414,6754],{"class":6694},[5206,7416,6757],{"class":5248},[5206,7418,5960],{"class":5227},[5206,7420,7421,7423,7425,7427,7429,7431],{"class":5208,"line":5372},[5206,7422,6706],{"class":5216},[5206,7424,5286],{"class":5227},[5206,7426,6711],{"class":5255},[5206,7428,5292],{"class":5227},[5206,7430,6772],{"class":5223},[5206,7432,5333],{"class":5227},[5206,7434,7435],{"class":5208,"line":5451},[5206,7436,5984],{"class":5227},[5206,7438,7439],{"class":5208,"line":5584},[5206,7440,5235],{"emptyLinePlaceholder":5234},[5206,7442,7443,7445,7447,7449,7451,7453,7455,7457,7459,7461,7463,7465],{"class":5208,"line":5590},[5206,7444,7344],{"class":5216},[5206,7446,5286],{"class":5227},[5206,7448,6677],{"class":5255},[5206,7450,5292],{"class":5227},[5206,7452,6795],{"class":5223},[5206,7454,6685],{"class":5227},[5206,7456,5119],{"class":5216},[5206,7458,6691],{"class":5227},[5206,7460,6804],{"class":6694},[5206,7462,5954],{"class":5227},[5206,7464,5957],{"class":5248},[5206,7466,5960],{"class":5227},[5206,7468,7469,7471,7473,7475,7477,7480,7482,7484],{"class":5208,"line":5596},[5206,7470,6706],{"class":5216},[5206,7472,5286],{"class":5227},[5206,7474,5119],{"class":5255},[5206,7476,5292],{"class":5227},[5206,7478,7479],{"class":5223},"'Помилка:'",[5206,7481,5113],{"class":5227},[5206,7483,5119],{"class":5216},[5206,7485,5333],{"class":5227},[5206,7487,7488],{"class":5208,"line":6019},[5206,7489,5984],{"class":5227},[5181,7491,7492],{},[5138,7493,7494],{},"2. Paused Mode (Призупинений режим):",[5181,7496,7497,7498,7501],{},"Дані потрібно явно запитувати через метод ",[5110,7499,7500],{},"read()",". Це дає більший контроль над швидкістю споживання.",[5197,7503,7505],{"className":5199,"code":7504,"language":5201,"meta":5202,"style":5202},"import fs from 'node:fs';\nimport type { ReadStream, WriteStream } from 'node:fs';\n\nconst stream = fs.createReadStream('data.txt');\n\n\u002F\u002F За замовчуванням потік у paused mode\nstream.on('readable', () => {\n  let chunk;\n  \n  \u002F\u002F Явне читання даних з внутрішнього буфера\n  while ((chunk = stream.read()) !== null) {\n    console.log('Прочитано chunk розміром:', chunk.length);\n    \n    \u002F\u002F Можна обробляти chunk синхронно\n    processChunk(chunk);\n  }\n});\n\nstream.on('end', (): void => {\n  console.log('Читання завершено');\n});\n\nfunction processChunk(chunk) {\n  \u002F\u002F Синхронна обробка\n  console.log('Обробка:', chunk.toString('utf8').slice(0, 50));\n}\n",[5110,7506,7507,7519,7541,7545,7565,7569,7574,7594,7603,7607,7612,7638,7662,7666,7671,7682,7687,7691,7695,7715,7729,7733,7737,7751,7756,7801],{"__ignoreMap":5202},[5206,7508,7509,7511,7513,7515,7517],{"class":5208,"line":5209},[5206,7510,5213],{"class":5212},[5206,7512,5217],{"class":5216},[5206,7514,5220],{"class":5212},[5206,7516,5785],{"class":5223},[5206,7518,5228],{"class":5227},[5206,7520,7521,7523,7525,7527,7529,7531,7533,7535,7537,7539],{"class":5208,"line":5231},[5206,7522,5213],{"class":5212},[5206,7524,5794],{"class":5212},[5206,7526,5797],{"class":5227},[5206,7528,5800],{"class":5216},[5206,7530,5113],{"class":5227},[5206,7532,5805],{"class":5216},[5206,7534,5808],{"class":5227},[5206,7536,5811],{"class":5212},[5206,7538,5785],{"class":5223},[5206,7540,5228],{"class":5227},[5206,7542,7543],{"class":5208,"line":5238},[5206,7544,5235],{"emptyLinePlaceholder":5234},[5206,7546,7547,7549,7551,7553,7555,7557,7559,7561,7563],{"class":5208,"line":5245},[5206,7548,5871],{"class":5248},[5206,7550,6900],{"class":5274},[5206,7552,5278],{"class":5227},[5206,7554,5879],{"class":5216},[5206,7556,5286],{"class":5227},[5206,7558,5884],{"class":5255},[5206,7560,5292],{"class":5227},[5206,7562,6656],{"class":5223},[5206,7564,5333],{"class":5227},[5206,7566,7567],{"class":5208,"line":5262},[5206,7568,5235],{"emptyLinePlaceholder":5234},[5206,7570,7571],{"class":5208,"line":5268},[5206,7572,7573],{"class":5241},"\u002F\u002F За замовчуванням потік у paused mode\n",[5206,7575,7576,7578,7580,7582,7584,7587,7590,7592],{"class":5208,"line":5304},[5206,7577,7344],{"class":5216},[5206,7579,5286],{"class":5227},[5206,7581,6677],{"class":5255},[5206,7583,5292],{"class":5227},[5206,7585,7586],{"class":5223},"'readable'",[5206,7588,7589],{"class":5227},", () ",[5206,7591,5957],{"class":5248},[5206,7593,5960],{"class":5227},[5206,7595,7596,7599,7601],{"class":5208,"line":5310},[5206,7597,7598],{"class":5248},"  let",[5206,7600,6934],{"class":5216},[5206,7602,5228],{"class":5227},[5206,7604,7605],{"class":5208,"line":5316},[5206,7606,5307],{"class":5227},[5206,7608,7609],{"class":5208,"line":5336},[5206,7610,7611],{"class":5241},"  \u002F\u002F Явне читання даних з внутрішнього буфера\n",[5206,7613,7614,7617,7620,7622,7624,7626,7628,7631,7634,7636],{"class":5208,"line":5341},[5206,7615,7616],{"class":5212},"  while",[5206,7618,7619],{"class":5227}," ((",[5206,7621,6688],{"class":5216},[5206,7623,5278],{"class":5227},[5206,7625,7344],{"class":5216},[5206,7627,5286],{"class":5227},[5206,7629,7630],{"class":5255},"read",[5206,7632,7633],{"class":5227},"()) !== ",[5206,7635,7197],{"class":5248},[5206,7637,6942],{"class":5227},[5206,7639,7640,7643,7645,7647,7649,7652,7654,7656,7658,7660],{"class":5208,"line":5347},[5206,7641,7642],{"class":5216},"    console",[5206,7644,5286],{"class":5227},[5206,7646,6711],{"class":5255},[5206,7648,5292],{"class":5227},[5206,7650,7651],{"class":5223},"'Прочитано chunk розміром:'",[5206,7653,5113],{"class":5227},[5206,7655,6688],{"class":5216},[5206,7657,5286],{"class":5227},[5206,7659,6725],{"class":5216},[5206,7661,5333],{"class":5227},[5206,7663,7664],{"class":5208,"line":5372},[5206,7665,5409],{"class":5227},[5206,7667,7668],{"class":5208,"line":5451},[5206,7669,7670],{"class":5241},"    \u002F\u002F Можна обробляти chunk синхронно\n",[5206,7672,7673,7676,7678,7680],{"class":5208,"line":5584},[5206,7674,7675],{"class":5255},"    processChunk",[5206,7677,5292],{"class":5227},[5206,7679,6688],{"class":5216},[5206,7681,5333],{"class":5227},[5206,7683,7684],{"class":5208,"line":5590},[5206,7685,7686],{"class":5227},"  }\n",[5206,7688,7689],{"class":5208,"line":5596},[5206,7690,5984],{"class":5227},[5206,7692,7693],{"class":5208,"line":6019},[5206,7694,5235],{"emptyLinePlaceholder":5234},[5206,7696,7697,7699,7701,7703,7705,7707,7709,7711,7713],{"class":5208,"line":6051},[5206,7698,7344],{"class":5216},[5206,7700,5286],{"class":5227},[5206,7702,6677],{"class":5255},[5206,7704,5292],{"class":5227},[5206,7706,6748],{"class":5223},[5206,7708,6751],{"class":5227},[5206,7710,6754],{"class":6694},[5206,7712,6757],{"class":5248},[5206,7714,5960],{"class":5227},[5206,7716,7717,7719,7721,7723,7725,7727],{"class":5208,"line":6056},[5206,7718,6706],{"class":5216},[5206,7720,5286],{"class":5227},[5206,7722,6711],{"class":5255},[5206,7724,5292],{"class":5227},[5206,7726,6772],{"class":5223},[5206,7728,5333],{"class":5227},[5206,7730,7731],{"class":5208,"line":6062},[5206,7732,5984],{"class":5227},[5206,7734,7735],{"class":5208,"line":6092},[5206,7736,5235],{"emptyLinePlaceholder":5234},[5206,7738,7739,7742,7745,7747,7749],{"class":5208,"line":6097},[5206,7740,7741],{"class":5248},"function",[5206,7743,7744],{"class":5255}," processChunk",[5206,7746,5292],{"class":5227},[5206,7748,6688],{"class":5216},[5206,7750,6942],{"class":5227},[5206,7752,7753],{"class":5208,"line":6103},[5206,7754,7755],{"class":5241},"  \u002F\u002F Синхронна обробка\n",[5206,7757,7758,7760,7762,7764,7766,7769,7771,7773,7775,7778,7780,7782,7785,7788,7790,7793,7795,7798],{"class":5208,"line":6122},[5206,7759,6706],{"class":5216},[5206,7761,5286],{"class":5227},[5206,7763,6711],{"class":5255},[5206,7765,5292],{"class":5227},[5206,7767,7768],{"class":5223},"'Обробка:'",[5206,7770,5113],{"class":5227},[5206,7772,6688],{"class":5216},[5206,7774,5286],{"class":5227},[5206,7776,7777],{"class":5255},"toString",[5206,7779,5292],{"class":5227},[5206,7781,7207],{"class":5223},[5206,7783,7784],{"class":5227},").",[5206,7786,7787],{"class":5255},"slice",[5206,7789,5292],{"class":5227},[5206,7791,7792],{"class":5754},"0",[5206,7794,5113],{"class":5227},[5206,7796,7797],{"class":5754},"50",[5206,7799,7800],{"class":5227},"));\n",[5206,7802,7803],{"class":5208,"line":6148},[5206,7804,5375],{"class":5227},[5377,7806,7807],{},[5197,7808,7810],{"className":5381,"code":7809,"language":5377,"meta":5202,"style":5202},"sequenceDiagram\n    participant F as File System\n    participant S as Readable Stream\n    participant App as Application\n    \n    Note over S,App: Flowing Mode\n    App->>S: on('data', handler)\n    S->>F: Почати читання\n    loop Автоматично\n        F->>S: Chunk 1\n        S->>App: emit('data', chunk1)\n        F->>S: Chunk 2\n        S->>App: emit('data', chunk2)\n    end\n    F->>S: EOF\n    S->>App: emit('end')\n    \n    Note over S,App: Paused Mode\n    App->>S: on('readable', handler)\n    S->>F: Наповнити буфер\n    F->>S: Chunk готовий\n    S->>App: emit('readable')\n    App->>S: read()\n    S->>App: return chunk\n    App->>S: read()\n    S->>App: return null (буфер порожній)\n",[5110,7811,7812,7817,7822,7827,7832,7836,7841,7846,7851,7856,7861,7866,7871,7876,7881,7886,7891,7895,7900,7905,7910,7915,7920,7925,7930,7934],{"__ignoreMap":5202},[5206,7813,7814],{"class":5208,"line":5209},[5206,7815,7816],{},"sequenceDiagram\n",[5206,7818,7819],{"class":5208,"line":5231},[5206,7820,7821],{},"    participant F as File System\n",[5206,7823,7824],{"class":5208,"line":5238},[5206,7825,7826],{},"    participant S as Readable Stream\n",[5206,7828,7829],{"class":5208,"line":5245},[5206,7830,7831],{},"    participant App as Application\n",[5206,7833,7834],{"class":5208,"line":5262},[5206,7835,5409],{},[5206,7837,7838],{"class":5208,"line":5268},[5206,7839,7840],{},"    Note over S,App: Flowing Mode\n",[5206,7842,7843],{"class":5208,"line":5304},[5206,7844,7845],{},"    App->>S: on('data', handler)\n",[5206,7847,7848],{"class":5208,"line":5310},[5206,7849,7850],{},"    S->>F: Почати читання\n",[5206,7852,7853],{"class":5208,"line":5316},[5206,7854,7855],{},"    loop Автоматично\n",[5206,7857,7858],{"class":5208,"line":5336},[5206,7859,7860],{},"        F->>S: Chunk 1\n",[5206,7862,7863],{"class":5208,"line":5341},[5206,7864,7865],{},"        S->>App: emit('data', chunk1)\n",[5206,7867,7868],{"class":5208,"line":5347},[5206,7869,7870],{},"        F->>S: Chunk 2\n",[5206,7872,7873],{"class":5208,"line":5372},[5206,7874,7875],{},"        S->>App: emit('data', chunk2)\n",[5206,7877,7878],{"class":5208,"line":5451},[5206,7879,7880],{},"    end\n",[5206,7882,7883],{"class":5208,"line":5584},[5206,7884,7885],{},"    F->>S: EOF\n",[5206,7887,7888],{"class":5208,"line":5590},[5206,7889,7890],{},"    S->>App: emit('end')\n",[5206,7892,7893],{"class":5208,"line":5596},[5206,7894,5409],{},[5206,7896,7897],{"class":5208,"line":6019},[5206,7898,7899],{},"    Note over S,App: Paused Mode\n",[5206,7901,7902],{"class":5208,"line":6051},[5206,7903,7904],{},"    App->>S: on('readable', handler)\n",[5206,7906,7907],{"class":5208,"line":6056},[5206,7908,7909],{},"    S->>F: Наповнити буфер\n",[5206,7911,7912],{"class":5208,"line":6062},[5206,7913,7914],{},"    F->>S: Chunk готовий\n",[5206,7916,7917],{"class":5208,"line":6092},[5206,7918,7919],{},"    S->>App: emit('readable')\n",[5206,7921,7922],{"class":5208,"line":6097},[5206,7923,7924],{},"    App->>S: read()\n",[5206,7926,7927],{"class":5208,"line":6103},[5206,7928,7929],{},"    S->>App: return chunk\n",[5206,7931,7932],{"class":5208,"line":6122},[5206,7933,7924],{},[5206,7935,7936],{"class":5208,"line":6148},[5206,7937,7938],{},"    S->>App: return null (буфер порожній)\n",[5176,7940,7942],{"id":7941},"базові-події-readable-stream","Базові події Readable Stream",[7182,7944,7945,7969,7990,8011,8024],{},[7185,7946,7948,7951,7960],{"name":6682,"type":7947},"Event",[5181,7949,7950],{},"Випромінюється, коли потік надає chunk даних споживачу.",[5181,7952,7953,7956,7957],{},[5138,7954,7955],{},"Параметри callback:"," ",[5110,7958,7959],{},"(chunk: Buffer | string)",[5181,7961,7962,7965,7966,5286],{},[5138,7963,7964],{},"Поведінка:"," Автоматично переводить потік у ",[5138,7967,7968],{},"flowing mode",[7185,7970,7971,7974,7979],{"name":6748,"type":7947},[5181,7972,7973],{},"Випромінюється, коли всі дані прочитано і більше не буде chunks.",[5181,7975,7976,7978],{},[5138,7977,7955],{}," немає",[5181,7980,7981,7984,7985,7987,7988,5286],{},[5138,7982,7983],{},"Важливо:"," Подія ",[5110,7986,6748],{}," завжди випромінюється після останньої події ",[5110,7989,6682],{},[7185,7991,7992,7995,8002],{"name":6795,"type":7947},[5181,7993,7994],{},"Випромінюється при виникненні помилки читання (наприклад, файл не існує, недостатньо прав).",[5181,7996,7997,7956,7999],{},[5138,7998,7955],{},[5110,8000,8001],{},"(error: Error)",[5181,8003,8004,8007,8008,8010],{},[5138,8005,8006],{},"Критично:"," Якщо не додати обробник ",[5110,8009,6795],{},", необроблена помилка призведе до краху процесу.",[7185,8012,8013,8018],{"name":7586,"type":7947},[5181,8014,8015,8016,5286],{},"Випромінюється, коли у внутрішньому буфері з'явилися нові дані для читання через ",[5110,8017,7500],{},[5181,8019,8020,8023],{},[5138,8021,8022],{},"Використання:"," Паused mode для ручного контролю швидкості читання.",[7185,8025,8027,8030],{"name":8026,"type":7947},"'close'",[5181,8028,8029],{},"Випромінюється після закриття потоку та звільнення системних ресурсів (файлові дескриптори).",[5181,8031,8032,7956,8035,8037,8038,8040],{},[5138,8033,8034],{},"Відмінність від 'end':",[5110,8036,6748],{}," сигналізує про завершення даних, ",[5110,8039,8026],{}," — про закриття ресурсів.",[5176,8042,8044],{"id":8043},"практичний-приклад-статистика-файлу","Практичний приклад: статистика файлу",[5197,8046,8048],{"className":5199,"code":8047,"language":5201,"meta":5202,"style":5202},"import fs from 'node:fs';\nimport type { ReadStream, WriteStream } from 'node:fs';\n\nfunction analyzeFile(filePath) {\n  const stream = fs.createReadStream(filePath, { encoding: 'utf8' });\n  \n  let totalBytes = 0;\n  let totalLines = 0;\n  let totalWords = 0;\n  let chunkCount = 0;\n  \n  stream.on('data', (chunk: Buffer) => {\n    chunkCount++;\n    totalBytes += Buffer.byteLength(chunk, 'utf8');\n    \n    \u002F\u002F Підрахунок рядків\n    totalLines += (chunk.match(\u002F\\n\u002Fg) || []).length;\n    \n    \u002F\u002F Підрахунок слів (приблизно)\n    totalWords += chunk.split(\u002F\\s+\u002F).filter(Boolean).length;\n  });\n  \n  stream.on('end', (): void => {\n    console.log('Аналіз завершено:');\n    console.log(`  Байти: ${totalBytes.toLocaleString()}`);\n    console.log(`  Рядки: ${totalLines.toLocaleString()}`);\n    console.log(`  Слова: ${totalWords.toLocaleString()}`);\n    console.log(`  Chunks: ${chunkCount}`);\n    console.log(`  Середній розмір chunk: ${Math.round(totalBytes \u002F chunkCount)} байт`);\n  });\n  \n  stream.on('error', (error: Error) => {\n    console.error('Помилка читання файлу:', error.message);\n  });\n}\n\n\u002F\u002F Використання\nanalyzeFile('large-document.txt');\n",[5110,8049,8050,8062,8084,8088,8102,8128,8132,8145,8158,8171,8184,8188,8215,8223,8248,8252,8257,8288,8292,8297,8339,8344,8348,8368,8383,8419,8449,8480,8505,8547,8552,8557,8584,8609,8614,8619,8624,8630],{"__ignoreMap":5202},[5206,8051,8052,8054,8056,8058,8060],{"class":5208,"line":5209},[5206,8053,5213],{"class":5212},[5206,8055,5217],{"class":5216},[5206,8057,5220],{"class":5212},[5206,8059,5785],{"class":5223},[5206,8061,5228],{"class":5227},[5206,8063,8064,8066,8068,8070,8072,8074,8076,8078,8080,8082],{"class":5208,"line":5231},[5206,8065,5213],{"class":5212},[5206,8067,5794],{"class":5212},[5206,8069,5797],{"class":5227},[5206,8071,5800],{"class":5216},[5206,8073,5113],{"class":5227},[5206,8075,5805],{"class":5216},[5206,8077,5808],{"class":5227},[5206,8079,5811],{"class":5212},[5206,8081,5785],{"class":5223},[5206,8083,5228],{"class":5227},[5206,8085,8086],{"class":5208,"line":5238},[5206,8087,5235],{"emptyLinePlaceholder":5234},[5206,8089,8090,8092,8095,8097,8100],{"class":5208,"line":5245},[5206,8091,7741],{"class":5248},[5206,8093,8094],{"class":5255}," analyzeFile",[5206,8096,5292],{"class":5227},[5206,8098,8099],{"class":5216},"filePath",[5206,8101,6942],{"class":5227},[5206,8103,8104,8106,8108,8110,8112,8114,8116,8118,8120,8122,8124,8126],{"class":5208,"line":5262},[5206,8105,5271],{"class":5248},[5206,8107,6900],{"class":5274},[5206,8109,5278],{"class":5227},[5206,8111,5879],{"class":5216},[5206,8113,5286],{"class":5227},[5206,8115,5884],{"class":5255},[5206,8117,5292],{"class":5227},[5206,8119,8099],{"class":5216},[5206,8121,7322],{"class":5227},[5206,8123,7325],{"class":5216},[5206,8125,7087],{"class":5223},[5206,8127,7330],{"class":5227},[5206,8129,8130],{"class":5208,"line":5268},[5206,8131,5307],{"class":5227},[5206,8133,8134,8136,8139,8141,8143],{"class":5208,"line":5304},[5206,8135,7598],{"class":5248},[5206,8137,8138],{"class":5216}," totalBytes",[5206,8140,5278],{"class":5227},[5206,8142,7792],{"class":5754},[5206,8144,5228],{"class":5227},[5206,8146,8147,8149,8152,8154,8156],{"class":5208,"line":5310},[5206,8148,7598],{"class":5248},[5206,8150,8151],{"class":5216}," totalLines",[5206,8153,5278],{"class":5227},[5206,8155,7792],{"class":5754},[5206,8157,5228],{"class":5227},[5206,8159,8160,8162,8165,8167,8169],{"class":5208,"line":5316},[5206,8161,7598],{"class":5248},[5206,8163,8164],{"class":5216}," totalWords",[5206,8166,5278],{"class":5227},[5206,8168,7792],{"class":5754},[5206,8170,5228],{"class":5227},[5206,8172,8173,8175,8178,8180,8182],{"class":5208,"line":5336},[5206,8174,7598],{"class":5248},[5206,8176,8177],{"class":5216}," chunkCount",[5206,8179,5278],{"class":5227},[5206,8181,7792],{"class":5754},[5206,8183,5228],{"class":5227},[5206,8185,8186],{"class":5208,"line":5341},[5206,8187,5307],{"class":5227},[5206,8189,8190,8193,8195,8197,8199,8201,8203,8205,8207,8209,8211,8213],{"class":5208,"line":5347},[5206,8191,8192],{"class":5216},"  stream",[5206,8194,5286],{"class":5227},[5206,8196,6677],{"class":5255},[5206,8198,5292],{"class":5227},[5206,8200,6682],{"class":5223},[5206,8202,6685],{"class":5227},[5206,8204,6688],{"class":5216},[5206,8206,6691],{"class":5227},[5206,8208,6695],{"class":6694},[5206,8210,5954],{"class":5227},[5206,8212,5957],{"class":5248},[5206,8214,5960],{"class":5227},[5206,8216,8217,8220],{"class":5208,"line":5372},[5206,8218,8219],{"class":5216},"    chunkCount",[5206,8221,8222],{"class":5227},"++;\n",[5206,8224,8225,8228,8231,8233,8235,8238,8240,8242,8244,8246],{"class":5208,"line":5451},[5206,8226,8227],{"class":5216},"    totalBytes",[5206,8229,8230],{"class":5227}," += ",[5206,8232,6695],{"class":5216},[5206,8234,5286],{"class":5227},[5206,8236,8237],{"class":5255},"byteLength",[5206,8239,5292],{"class":5227},[5206,8241,6688],{"class":5216},[5206,8243,5113],{"class":5227},[5206,8245,7207],{"class":5223},[5206,8247,5333],{"class":5227},[5206,8249,8250],{"class":5208,"line":5584},[5206,8251,5409],{"class":5227},[5206,8253,8254],{"class":5208,"line":5590},[5206,8255,8256],{"class":5241},"    \u002F\u002F Підрахунок рядків\n",[5206,8258,8259,8262,8265,8267,8269,8272,8274,8278,8281,8284,8286],{"class":5208,"line":5596},[5206,8260,8261],{"class":5216},"    totalLines",[5206,8263,8264],{"class":5227}," += (",[5206,8266,6688],{"class":5216},[5206,8268,5286],{"class":5227},[5206,8270,8271],{"class":5255},"match",[5206,8273,5292],{"class":5227},[5206,8275,8277],{"class":8276},"shsrj","\u002F\\n\u002F",[5206,8279,8280],{"class":5248},"g",[5206,8282,8283],{"class":5227},") || []).",[5206,8285,6725],{"class":5216},[5206,8287,5228],{"class":5227},[5206,8289,8290],{"class":5208,"line":6019},[5206,8291,5409],{"class":5227},[5206,8293,8294],{"class":5208,"line":6051},[5206,8295,8296],{"class":5241},"    \u002F\u002F Підрахунок слів (приблизно)\n",[5206,8298,8299,8302,8304,8306,8308,8311,8313,8316,8320,8323,8325,8328,8330,8333,8335,8337],{"class":5208,"line":6056},[5206,8300,8301],{"class":5216},"    totalWords",[5206,8303,8230],{"class":5227},[5206,8305,6688],{"class":5216},[5206,8307,5286],{"class":5227},[5206,8309,8310],{"class":5255},"split",[5206,8312,5292],{"class":5227},[5206,8314,8315],{"class":8276},"\u002F\\s",[5206,8317,8319],{"class":8318},"sYsli","+",[5206,8321,8322],{"class":8276},"\u002F",[5206,8324,7784],{"class":5227},[5206,8326,8327],{"class":5255},"filter",[5206,8329,5292],{"class":5227},[5206,8331,8332],{"class":5216},"Boolean",[5206,8334,7784],{"class":5227},[5206,8336,6725],{"class":5216},[5206,8338,5228],{"class":5227},[5206,8340,8341],{"class":5208,"line":6062},[5206,8342,8343],{"class":5227},"  });\n",[5206,8345,8346],{"class":5208,"line":6092},[5206,8347,5307],{"class":5227},[5206,8349,8350,8352,8354,8356,8358,8360,8362,8364,8366],{"class":5208,"line":6097},[5206,8351,8192],{"class":5216},[5206,8353,5286],{"class":5227},[5206,8355,6677],{"class":5255},[5206,8357,5292],{"class":5227},[5206,8359,6748],{"class":5223},[5206,8361,6751],{"class":5227},[5206,8363,6754],{"class":6694},[5206,8365,6757],{"class":5248},[5206,8367,5960],{"class":5227},[5206,8369,8370,8372,8374,8376,8378,8381],{"class":5208,"line":6103},[5206,8371,7642],{"class":5216},[5206,8373,5286],{"class":5227},[5206,8375,6711],{"class":5255},[5206,8377,5292],{"class":5227},[5206,8379,8380],{"class":5223},"'Аналіз завершено:'",[5206,8382,5333],{"class":5227},[5206,8384,8385,8387,8389,8391,8393,8396,8399,8402,8405,8408,8411,8414,8417],{"class":5208,"line":6122},[5206,8386,7642],{"class":5216},[5206,8388,5286],{"class":5227},[5206,8390,6711],{"class":5255},[5206,8392,5292],{"class":5227},[5206,8394,8395],{"class":5223},"`  Байти: ",[5206,8397,8398],{"class":5248},"${",[5206,8400,8401],{"class":5216},"totalBytes",[5206,8403,5286],{"class":8404},"sD7JJ",[5206,8406,8407],{"class":5255},"toLocaleString",[5206,8409,8410],{"class":8404},"()",[5206,8412,8413],{"class":5248},"}",[5206,8415,8416],{"class":5223},"`",[5206,8418,5333],{"class":5227},[5206,8420,8421,8423,8425,8427,8429,8432,8434,8437,8439,8441,8443,8445,8447],{"class":5208,"line":6148},[5206,8422,7642],{"class":5216},[5206,8424,5286],{"class":5227},[5206,8426,6711],{"class":5255},[5206,8428,5292],{"class":5227},[5206,8430,8431],{"class":5223},"`  Рядки: 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{\n",[5206,9145,9146,9148,9150,9152,9154,9157,9159,9161,9163,9165,9167,9169,9171,9173],{"class":5208,"line":8621},[5206,9147,8960],{"class":5216},[5206,9149,5286],{"class":5227},[5206,9151,6711],{"class":5255},[5206,9153,5292],{"class":5227},[5206,9155,9156],{"class":5223},"'Знайдено помилку:'",[5206,9158,5113],{"class":5227},[5206,9160,5208],{"class":5216},[5206,9162,5286],{"class":5227},[5206,9164,7787],{"class":5255},[5206,9166,5292],{"class":5227},[5206,9168,7792],{"class":5754},[5206,9170,5113],{"class":5227},[5206,9172,7797],{"class":5754},[5206,9174,7800],{"class":5227},[5206,9176,9177],{"class":5208,"line":8626},[5206,9178,9179],{"class":5227},"    }\n",[5206,9181,9182],{"class":5208,"line":8632},[5206,9183,7686],{"class":5227},[5206,9185,9187],{"class":5208,"line":9186},39,[5206,9188,5375],{"class":5227},[6522,9190,9191,9196,9211],{},[5181,9192,9193],{},[5138,9194,9195],{},"Важливо про pause() та backpressure:",[5181,9197,9198,9199,7956,9202,9205,9206,9208,9209,5286],{},"Метод ",[5110,9200,9201],{},"pause()",[5138,9203,9204],{},"не зупиняє читання миттєво"," — дані, що вже знаходяться у внутрішньому буфері потоку, все одно будуть випромінені через події ",[5110,9207,6682],{},". Це означає, що може надійти ще 1-2 chunks після виклику ",[5110,9210,9201],{},[5181,9212,9213,9214,9217,9218,9221],{},"Для коректної обробки ",[5138,9215,9216],{},"backpressure"," (протитиску) при з'єднанні потоків краще використовувати механізм ",[5138,9219,9220],{},"piping",", який автоматично керує паузами та відновленням.",[5176,9223,9225],{"id":9224},"читання-конкретного-діапазону-байтів","Читання конкретного діапазону байтів",[5197,9227,9229],{"className":5199,"code":9228,"language":5201,"meta":5202,"style":5202},"import fs from 'node:fs';\nimport type { ReadStream, WriteStream } from 'node:fs';\n\n\u002F\u002F Читання лише перших 1024 байтів файлу\nfunction readFileHeader(filePath) {\n  const stream = fs.createReadStream(filePath, {\n    start: 0,\n    end: 1023  \u002F\u002F Прочитати байти 0-1023 (включно)\n  });\n  \n  let header = '';\n  \n  stream.on('data', (chunk: Buffer) => {\n    header += chunk.toString('utf8');\n  });\n  \n  stream.on('end', (): void => {\n    console.log('Заголовок файлу (перші 1024 байти):');\n    console.log(header);\n  });\n}\n\n\u002F\u002F HTTP Range Request (resumable downloads)\nfunction serveFileRange(filePath, rangeHeader, response) {\n  const stat = fs.statSync(filePath);\n  const fileSize = stat.size;\n  \n  \u002F\u002F Парсинг заголовка Range: bytes=0-1023\n  const range = \u002Fbytes=(\\d+)-(\\d*)\u002F.exec(rangeHeader);\n  if (!range) {\n    response.writeHead(416); \u002F\u002F Range Not Satisfiable\n    response.end();\n    return;\n  }\n  \n  const start = parseInt(range[1], 10);\n  const end = range[2] ? parseInt(range[2], 10) : fileSize - 1;\n  const chunkSize = end - start + 1;\n  \n  \u002F\u002F HTTP 206 Partial Content\n  response.writeHead(206, {\n    'Content-Range': `bytes ${start}-${end}\u002F${fileSize}`,\n    'Accept-Ranges': 'bytes',\n    'Content-Length': chunkSize,\n    'Content-Type': 'application\u002Foctet-stream'\n  });\n  \n  \u002F\u002F Потоковий запис лише вказаного діапазону\n  const stream = fs.createReadStream(filePath, { start, end });\n  stream.pipe(response);\n}\n",[5110,9230,9231,9243,9265,9269,9274,9287,9307,9317,9328,9332,9336,9350,9354,9380,9399,9403,9407,9427,9442,9457,9461,9465,9469,9474,9497,9519,9538,9542,9547,9595,9607,9627,9637,9644,9648,9652,9682,9728,9750,9754,9760,9777,9814,9827,9839,9850,9855,9860,9866,9895,9910],{"__ignoreMap":5202},[5206,9232,9233,9235,9237,9239,9241],{"class":5208,"line":5209},[5206,9234,5213],{"class":5212},[5206,9236,5217],{"class":5216},[5206,9238,5220],{"class":5212},[5206,9240,5785],{"class":5223},[5206,9242,5228],{"class":5227},[5206,9244,9245,9247,9249,9251,9253,9255,9257,9259,9261,9263],{"class":5208,"line":5231},[5206,9246,5213],{"class":5212},[5206,9248,5794],{"class":5212},[5206,9250,5797],{"class":5227},[5206,9252,5800],{"class":5216},[5206,9254,5113],{"class":5227},[5206,9256,5805],{"class":5216},[5206,9258,5808],{"class":5227},[5206,9260,5811],{"class":5212},[5206,9262,5785],{"class":5223},[5206,9264,5228],{"class":5227},[5206,9266,9267],{"class":5208,"line":5238},[5206,9268,5235],{"emptyLinePlaceholder":5234},[5206,9270,9271],{"class":5208,"line":5245},[5206,9272,9273],{"class":5241},"\u002F\u002F 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response",[5206,9613,5286],{"class":5227},[5206,9615,9616],{"class":5255},"writeHead",[5206,9618,5292],{"class":5227},[5206,9620,9621],{"class":5754},"416",[5206,9623,5298],{"class":5227},[5206,9625,9626],{"class":5241},"\u002F\u002F Range Not Satisfiable\n",[5206,9628,9629,9631,9633,9635],{"class":5208,"line":8559},[5206,9630,9611],{"class":5216},[5206,9632,5286],{"class":5227},[5206,9634,5116],{"class":5255},[5206,9636,8939],{"class":5227},[5206,9638,9639,9642],{"class":5208,"line":8586},[5206,9640,9641],{"class":5212},"    return",[5206,9643,5228],{"class":5227},[5206,9645,9646],{"class":5208,"line":8611},[5206,9647,7686],{"class":5227},[5206,9649,9650],{"class":5208,"line":8616},[5206,9651,5307],{"class":5227},[5206,9653,9654,9656,9659,9661,9664,9666,9668,9671,9674,9677,9680],{"class":5208,"line":8621},[5206,9655,5271],{"class":5248},[5206,9657,9658],{"class":5274}," start",[5206,9660,5278],{"class":5227},[5206,9662,9663],{"class":5255},"parseInt",[5206,9665,5292],{"class":5227},[5206,9667,9604],{"class":5216},[5206,9669,9670],{"class":5227},"[",[5206,9672,9673],{"class":5754},"1",[5206,9675,9676],{"class":5227},"], ",[5206,9678,9679],{"class":5754},"10",[5206,9681,5333],{"class":5227},[5206,9683,9684,9686,9689,9691,9693,9695,9698,9701,9703,9705,9707,9709,9711,9713,9715,9718,9721,9724,9726],{"class":5208,"line":8626},[5206,9685,5271],{"class":5248},[5206,9687,9688],{"class":5274}," end",[5206,9690,5278],{"class":5227},[5206,9692,9604],{"class":5216},[5206,9694,9670],{"class":5227},[5206,9696,9697],{"class":5754},"2",[5206,9699,9700],{"class":5227},"] ? ",[5206,9702,9663],{"class":5255},[5206,9704,5292],{"class":5227},[5206,9706,9604],{"class":5216},[5206,9708,9670],{"class":5227},[5206,9710,9697],{"class":5754},[5206,9712,9676],{"class":5227},[5206,9714,9679],{"class":5754},[5206,9716,9717],{"class":5227},") : ",[5206,9719,9720],{"class":5216},"fileSize",[5206,9722,9723],{"class":5227}," - ",[5206,9725,9673],{"class":5754},[5206,9727,5228],{"class":5227},[5206,9729,9730,9732,9735,9737,9739,9741,9743,9746,9748],{"class":5208,"line":8632},[5206,9731,5271],{"class":5248},[5206,9733,9734],{"class":5274}," chunkSize",[5206,9736,5278],{"class":5227},[5206,9738,5116],{"class":5216},[5206,9740,9723],{"class":5227},[5206,9742,7236],{"class":5216},[5206,9744,9745],{"class":5227}," + ",[5206,9747,9673],{"class":5754},[5206,9749,5228],{"class":5227},[5206,9751,9752],{"class":5208,"line":9186},[5206,9753,5307],{"class":5227},[5206,9755,9757],{"class":5208,"line":9756},40,[5206,9758,9759],{"class":5241},"  \u002F\u002F HTTP 206 Partial Content\n",[5206,9761,9763,9766,9768,9770,9772,9775],{"class":5208,"line":9762},41,[5206,9764,9765],{"class":5216},"  response",[5206,9767,5286],{"class":5227},[5206,9769,9616],{"class":5255},[5206,9771,5292],{"class":5227},[5206,9773,9774],{"class":5754},"206",[5206,9776,7079],{"class":5227},[5206,9778,9780,9783,9785,9788,9790,9792,9794,9796,9798,9800,9802,9804,9806,9808,9810,9812],{"class":5208,"line":9779},42,[5206,9781,9782],{"class":5223},"    'Content-Range'",[5206,9784,6546],{"class":5216},[5206,9786,9787],{"class":5223}," `bytes ",[5206,9789,8398],{"class":5248},[5206,9791,7236],{"class":5216},[5206,9793,8413],{"class":5248},[5206,9795,9572],{"class":5223},[5206,9797,8398],{"class":5248},[5206,9799,5116],{"class":5216},[5206,9801,8413],{"class":5248},[5206,9803,8322],{"class":5223},[5206,9805,8398],{"class":5248},[5206,9807,9720],{"class":5216},[5206,9809,8413],{"class":5248},[5206,9811,8416],{"class":5223},[5206,9813,9316],{"class":5227},[5206,9815,9817,9820,9822,9825],{"class":5208,"line":9816},43,[5206,9818,9819],{"class":5223},"    'Accept-Ranges'",[5206,9821,6546],{"class":5216},[5206,9823,9824],{"class":5223}," 'bytes'",[5206,9826,9316],{"class":5227},[5206,9828,9830,9833,9835,9837],{"class":5208,"line":9829},44,[5206,9831,9832],{"class":5223},"    'Content-Length'",[5206,9834,6546],{"class":5216},[5206,9836,9734],{"class":5216},[5206,9838,9316],{"class":5227},[5206,9840,9842,9845,9847],{"class":5208,"line":9841},45,[5206,9843,9844],{"class":5223},"    'Content-Type'",[5206,9846,6546],{"class":5216},[5206,9848,9849],{"class":5223}," 'application\u002Foctet-stream'\n",[5206,9851,9853],{"class":5208,"line":9852},46,[5206,9854,8343],{"class":5227},[5206,9856,9858],{"class":5208,"line":9857},47,[5206,9859,5307],{"class":5227},[5206,9861,9863],{"class":5208,"line":9862},48,[5206,9864,9865],{"class":5241},"  \u002F\u002F Потоковий запис лише вказаного діапазону\n",[5206,9867,9869,9871,9873,9875,9877,9879,9881,9883,9885,9887,9889,9891,9893],{"class":5208,"line":9868},49,[5206,9870,5271],{"class":5248},[5206,9872,6900],{"class":5274},[5206,9874,5278],{"class":5227},[5206,9876,5879],{"class":5216},[5206,9878,5286],{"class":5227},[5206,9880,5884],{"class":5255},[5206,9882,5292],{"class":5227},[5206,9884,8099],{"class":5216},[5206,9886,7322],{"class":5227},[5206,9888,7236],{"class":5216},[5206,9890,5113],{"class":5227},[5206,9892,5116],{"class":5216},[5206,9894,7330],{"class":5227},[5206,9896,9898,9900,9902,9904,9906,9908],{"class":5208,"line":9897},50,[5206,9899,8192],{"class":5216},[5206,9901,5286],{"class":5227},[5206,9903,5970],{"class":5255},[5206,9905,5292],{"class":5227},[5206,9907,9494],{"class":5216},[5206,9909,5333],{"class":5227},[5206,9911,9913],{"class":5208,"line":9912},51,[5206,9914,5375],{"class":5227},[9916,9917,9918,10059],"accordion",{},[9919,9920,9923,9935,10049],"accordion-item",{"icon":9921,"label":9922},"i-lucide-help-circle","❓ Чи можна читати файл з кінця на початок?",[5181,9924,9925,7956,9927,9930,9931,5187,9933,6546],{},[5110,9926,7010],{},[5138,9928,9929],{},"не підтримує"," читання у зворотному порядку нативно. Проте можна емулювати це через параметри ",[5110,9932,7236],{},[5110,9934,5116],{},[5197,9936,9938],{"className":5199,"code":9937,"language":5201,"meta":5202,"style":5202},"const fileSize = fs.statSync('file.txt').size;\nconst chunkSize = 1024;\n\n\u002F\u002F Читання останнього KB\nconst stream = fs.createReadStream('file.txt', {\n  start: Math.max(0, fileSize - chunkSize),\n  end: fileSize - 1\n});\n",[5110,9939,9940,9965,9977,9981,9986,10006,10034,10045],{"__ignoreMap":5202},[5206,9941,9942,9944,9946,9948,9950,9952,9954,9956,9959,9961,9963],{"class":5208,"line":5209},[5206,9943,5871],{"class":5248},[5206,9945,9525],{"class":5274},[5206,9947,5278],{"class":5227},[5206,9949,5879],{"class":5216},[5206,9951,5286],{"class":5227},[5206,9953,9512],{"class":5255},[5206,9955,5292],{"class":5227},[5206,9957,9958],{"class":5223},"'file.txt'",[5206,9960,7784],{"class":5227},[5206,9962,9535],{"class":5216},[5206,9964,5228],{"class":5227},[5206,9966,9967,9969,9971,9973,9975],{"class":5208,"line":5231},[5206,9968,5871],{"class":5248},[5206,9970,9734],{"class":5274},[5206,9972,5278],{"class":5227},[5206,9974,7107],{"class":5754},[5206,9976,5228],{"class":5227},[5206,9978,9979],{"class":5208,"line":5238},[5206,9980,5235],{"emptyLinePlaceholder":5234},[5206,9982,9983],{"class":5208,"line":5245},[5206,9984,9985],{"class":5241},"\u002F\u002F Читання останнього KB\n",[5206,9987,9988,9990,9992,9994,9996,9998,10000,10002,10004],{"class":5208,"line":5262},[5206,9989,5871],{"class":5248},[5206,9991,6900],{"class":5274},[5206,9993,5278],{"class":5227},[5206,9995,5879],{"class":5216},[5206,9997,5286],{"class":5227},[5206,9999,5884],{"class":5255},[5206,10001,5292],{"class":5227},[5206,10003,9958],{"class":5223},[5206,10005,7079],{"class":5227},[5206,10007,10008,10010,10013,10015,10018,10020,10022,10024,10026,10028,10031],{"class":5208,"line":5268},[5206,10009,7118],{"class":5216},[5206,10011,10012],{"class":5216}," Math",[5206,10014,5286],{"class":5227},[5206,10016,10017],{"class":5255},"max",[5206,10019,5292],{"class":5227},[5206,10021,7792],{"class":5754},[5206,10023,5113],{"class":5227},[5206,10025,9720],{"class":5216},[5206,10027,9723],{"class":5227},[5206,10029,10030],{"class":5216},"chunkSize",[5206,10032,10033],{"class":5227},"),\n",[5206,10035,10036,10038,10040,10042],{"class":5208,"line":5304},[5206,10037,7132],{"class":5216},[5206,10039,9525],{"class":5216},[5206,10041,9723],{"class":5227},[5206,10043,10044],{"class":5754},"1\n",[5206,10046,10047],{"class":5208,"line":5310},[5206,10048,5984],{"class":5227},[5181,10050,10051,10052,9745,10055,10058],{},"Для справжнього зворотного читання по байтах потрібно використовувати ",[5110,10053,10054],{},"fs.open()",[5110,10056,10057],{},"fs.read()"," у циклі з декрементом позиції.",[9919,10060,10062,10071,10097],{"icon":9921,"label":10061},"❓ Що станеться, якщо файл змінюється під час читання?",[5181,10063,10064,10066,10067,10070],{},[5110,10065,7010],{}," використовує ",[5138,10068,10069],{},"файловий дескриптор",", який вказує на момент відкриття файлу. Поведінка залежить від операційної системи:",[5092,10072,10073,10087],{},[5095,10074,10075,10078,10079,10082,10083,10086],{},[5138,10076,10077],{},"Linux\u002FmacOS:"," зміни, внесені ",[5138,10080,10081],{},"після"," відкриття файлу, ",[5138,10084,10085],{},"видимі"," для потоку (інод залишається тим самим).",[5095,10088,10089,10092,10093,10096],{},[5138,10090,10091],{},"Windows:"," файл зазвичай ",[5138,10094,10095],{},"блокується"," на час читання, запис може викликати помилку.",[5181,10098,10099,10100,10103,10104,5286],{},"Для критичних сценаріїв (логи, що постійно оновлюються) краще використовувати ",[5110,10101,10102],{},"fs.watch()"," або бібліотеки типу ",[5110,10105,10106],{},"tail-f",[5171,10108,10110],{"id":10109},"writable-stream-запис-даних-частинами","Writable Stream: запис даних частинами",[5176,10112,10114],{"id":10113},"створення-writable-stream-для-файлів","Створення Writable Stream для файлів",[5181,10116,10117],{},"Writable Stream дозволяє записувати дані у файл поетапно, без необхідності тримати весь вміст у пам'яті:",[5197,10119,10121],{"className":5199,"code":10120,"language":5201,"meta":5202,"style":5202},"import fs from 'node:fs';\nimport type { ReadStream, WriteStream } from 'node:fs';\n\n\u002F\u002F Створення потоку для запису\nconst writeStream = fs.createWriteStream('output.txt', {\n  encoding: 'utf8',\n  flags: 'w',            \u002F\u002F 'w' — перезаписати, 'a' — додати до кінця\n  mode: 0o666,           \u002F\u002F Права доступу (rw-rw-rw-)\n  highWaterMark: 16 * 1024,  \u002F\u002F Розмір буфера (16 КБ за замовчуванням)\n  autoClose: true\n});\n\nconsole.log('Writable Stream створено');\n",[5110,10122,10123,10135,10157,10161,10166,10186,10194,10208,10222,10238,10245,10249,10253],{"__ignoreMap":5202},[5206,10124,10125,10127,10129,10131,10133],{"class":5208,"line":5209},[5206,10126,5213],{"class":5212},[5206,10128,5217],{"class":5216},[5206,10130,5220],{"class":5212},[5206,10132,5785],{"class":5223},[5206,10134,5228],{"class":5227},[5206,10136,10137,10139,10141,10143,10145,10147,10149,10151,10153,10155],{"class":5208,"line":5231},[5206,10138,5213],{"class":5212},[5206,10140,5794],{"class":5212},[5206,10142,5797],{"class":5227},[5206,10144,5800],{"class":5216},[5206,10146,5113],{"class":5227},[5206,10148,5805],{"class":5216},[5206,10150,5808],{"class":5227},[5206,10152,5811],{"class":5212},[5206,10154,5785],{"class":5223},[5206,10156,5228],{"class":5227},[5206,10158,10159],{"class":5208,"line":5238},[5206,10160,5235],{"emptyLinePlaceholder":5234},[5206,10162,10163],{"class":5208,"line":5245},[5206,10164,10165],{"class":5241},"\u002F\u002F Створення потоку для запису\n",[5206,10167,10168,10170,10172,10174,10176,10178,10180,10182,10184],{"class":5208,"line":5262},[5206,10169,5871],{"class":5248},[5206,10171,5902],{"class":5274},[5206,10173,5278],{"class":5227},[5206,10175,5879],{"class":5216},[5206,10177,5286],{"class":5227},[5206,10179,5911],{"class":5255},[5206,10181,5292],{"class":5227},[5206,10183,5916],{"class":5223},[5206,10185,7079],{"class":5227},[5206,10187,10188,10190,10192],{"class":5208,"line":5268},[5206,10189,7084],{"class":5216},[5206,10191,7087],{"class":5223},[5206,10193,9316],{"class":5227},[5206,10195,10196,10199,10202,10205],{"class":5208,"line":5304},[5206,10197,10198],{"class":5216},"  flags:",[5206,10200,10201],{"class":5223}," 'w'",[5206,10203,10204],{"class":5227},",            ",[5206,10206,10207],{"class":5241},"\u002F\u002F 'w' — перезаписати, 'a' — додати до кінця\n",[5206,10209,10210,10213,10216,10219],{"class":5208,"line":5310},[5206,10211,10212],{"class":5216},"  mode:",[5206,10214,10215],{"class":5754}," 0o666",[5206,10217,10218],{"class":5227},",           ",[5206,10220,10221],{"class":5241},"\u002F\u002F Права доступу (rw-rw-rw-)\n",[5206,10223,10224,10226,10229,10231,10233,10235],{"class":5208,"line":5316},[5206,10225,7098],{"class":5216},[5206,10227,10228],{"class":5754}," 16",[5206,10230,7104],{"class":5227},[5206,10232,7107],{"class":5754},[5206,10234,7110],{"class":5227},[5206,10236,10237],{"class":5241},"\u002F\u002F Розмір буфера (16 КБ за замовчуванням)\n",[5206,10239,10240,10242],{"class":5208,"line":5336},[5206,10241,7146],{"class":5216},[5206,10243,10244],{"class":5248}," true\n",[5206,10246,10247],{"class":5208,"line":5341},[5206,10248,5984],{"class":5227},[5206,10250,10251],{"class":5208,"line":5347},[5206,10252,5235],{"emptyLinePlaceholder":5234},[5206,10254,10255,10257,10259,10261,10263,10266],{"class":5208,"line":5372},[5206,10256,6978],{"class":5216},[5206,10258,5286],{"class":5227},[5206,10260,6711],{"class":5255},[5206,10262,5292],{"class":5227},[5206,10264,10265],{"class":5223},"'Writable Stream створено'",[5206,10267,5333],{"class":5227},[5181,10269,10270],{},[5138,10271,7180],{},[7182,10273,10274,10301,10321],{},[7185,10275,10278,10281],{"name":10276,"type":10277},"flags","string",[5181,10279,10280],{},"Режим відкриття файлу:",[5092,10282,10283,10289,10295],{},[5095,10284,10285,10288],{},[5110,10286,10287],{},"'w'"," — створити або перезаписати файл (за замовчуванням)",[5095,10290,10291,10294],{},[5110,10292,10293],{},"'a'"," — додати до кінця файлу (append mode)",[5095,10296,10297,10300],{},[5110,10298,10299],{},"'wx'"," — створити файл, якщо він не існує (помилка, якщо існує)",[7185,10302,10304,10307],{"name":10303,"type":7223},"mode",[5181,10305,10306],{},"Unix-права доступу для нового файлу у вісімковій системі:",[5092,10308,10309,10315],{},[5095,10310,10311,10314],{},[5110,10312,10313],{},"0o666"," — читання\u002Fзапис для всіх (за замовчуванням)",[5095,10316,10317,10320],{},[5110,10318,10319],{},"0o644"," — rw-r--r-- (власник може писати, інші лише читати)",[7185,10322,10323,10334],{"name":7222,"type":7223},[5181,10324,10325,10326,10329,10330,10333],{},"Максимальний розмір внутрішнього буфера. Коли буфер переповнюється, метод ",[5110,10327,10328],{},"write()"," повертає ",[5110,10331,10332],{},"false",", сигналізуючи про необхідність backpressure.",[5181,10335,7229,10336,10339],{},[5110,10337,10338],{},"16 * 1024"," (16 КБ) для файлових потоків.",[5176,10341,10343],{"id":10342},"методи-запису-даних","Методи запису даних",[5181,10345,10346],{},[5138,10347,10348],{},"Базовий запис через write():",[7182,10350,10351,10404],{},[7185,10352,10355,10358,10363,10381,10388],{"name":10353,"type":10354},"stream.write(chunk, encoding, callback)","boolean",[5181,10356,10357],{},"Записує chunk даних у потік.",[5181,10359,10360],{},[5138,10361,10362],{},"Параметри:",[5092,10364,10365,10370,10375],{},[5095,10366,10367,10369],{},[5110,10368,6688],{}," (string | Buffer) — дані для запису",[5095,10371,10372,10374],{},[5110,10373,7187],{}," (string, опціонально) — кодування для рядків",[5095,10376,10377,10380],{},[5110,10378,10379],{},"callback"," (Function, опціонально) — викликається після фактичного запису на диск",[5181,10382,10383,7956,10386],{},[5138,10384,10385],{},"Повертає:",[5110,10387,10354],{},[5092,10389,10390,10396],{},[5095,10391,10392,10395],{},[5110,10393,10394],{},"true"," — буфер має місце, можна продовжувати запис",[5095,10397,10398,10400,10401],{},[5110,10399,10332],{}," — буфер повний, потрібно чекати події ",[5110,10402,10403],{},"'drain'",[7185,10405,10407,10410,10417],{"name":10406,"type":6754},"stream.end(chunk, encoding, callback)",[5181,10408,10409],{},"Сигналізує про завершення запису. Опціонально записує останній chunk.",[5181,10411,10412,10414,10415],{},[5138,10413,10362],{}," ті самі, що у ",[5110,10416,10328],{},[5181,10418,10419,10421,10422,10425,10426,10429],{},[5138,10420,7983],{}," Після виклику ",[5110,10423,10424],{},"end()"," неможливо писати у потік. Подія ",[5110,10427,10428],{},"'finish'"," випромінюється після фактичного запису всіх даних.",[5197,10431,10433],{"className":5199,"code":10432,"language":5201,"meta":5202,"style":5202},"import fs from 'node:fs';\nimport type { ReadStream, WriteStream } from 'node:fs';\n\nconst writeStream = fs.createWriteStream('log.txt', { flags: 'a' });\n\n\u002F\u002F Запис кількох рядків\nwriteStream.write('Перший рядок\\n');\nwriteStream.write('Другий рядок\\n');\nwriteStream.write('Третій рядок\\n');\n\n\u002F\u002F Завершення запису\nwriteStream.end('Останній рядок\\n', () => {\n  console.log('Всі дані записано на диск');\n});\n\nwriteStream.on('error', (error: Error) => {\n  console.error('Помилка запису:', error);\n});\n",[5110,10434,10435,10447,10469,10473,10502,10506,10511,10532,10551,10570,10574,10579,10602,10617,10621,10625,10651,10670],{"__ignoreMap":5202},[5206,10436,10437,10439,10441,10443,10445],{"class":5208,"line":5209},[5206,10438,5213],{"class":5212},[5206,10440,5217],{"class":5216},[5206,10442,5220],{"class":5212},[5206,10444,5785],{"class":5223},[5206,10446,5228],{"class":5227},[5206,10448,10449,10451,10453,10455,10457,10459,10461,10463,10465,10467],{"class":5208,"line":5231},[5206,10450,5213],{"class":5212},[5206,10452,5794],{"class":5212},[5206,10454,5797],{"class":5227},[5206,10456,5800],{"class":5216},[5206,10458,5113],{"class":5227},[5206,10460,5805],{"class":5216},[5206,10462,5808],{"class":5227},[5206,10464,5811],{"class":5212},[5206,10466,5785],{"class":5223},[5206,10468,5228],{"class":5227},[5206,10470,10471],{"class":5208,"line":5238},[5206,10472,5235],{"emptyLinePlaceholder":5234},[5206,10474,10475,10477,10479,10481,10483,10485,10487,10489,10492,10494,10497,10500],{"class":5208,"line":5245},[5206,10476,5871],{"class":5248},[5206,10478,5902],{"class":5274},[5206,10480,5278],{"class":5227},[5206,10482,5879],{"class":5216},[5206,10484,5286],{"class":5227},[5206,10486,5911],{"class":5255},[5206,10488,5292],{"class":5227},[5206,10490,10491],{"class":5223},"'log.txt'",[5206,10493,7322],{"class":5227},[5206,10495,10496],{"class":5216},"flags:",[5206,10498,10499],{"class":5223}," 'a'",[5206,10501,7330],{"class":5227},[5206,10503,10504],{"class":5208,"line":5262},[5206,10505,5235],{"emptyLinePlaceholder":5234},[5206,10507,10508],{"class":5208,"line":5268},[5206,10509,10510],{"class":5241},"\u002F\u002F Запис кількох рядків\n",[5206,10512,10513,10516,10518,10521,10523,10526,10528,10530],{"class":5208,"line":5304},[5206,10514,10515],{"class":5216},"writeStream",[5206,10517,5286],{"class":5227},[5206,10519,10520],{"class":5255},"write",[5206,10522,5292],{"class":5227},[5206,10524,10525],{"class":5223},"'Перший рядок",[5206,10527,9099],{"class":9098},[5206,10529,9095],{"class":5223},[5206,10531,5333],{"class":5227},[5206,10533,10534,10536,10538,10540,10542,10545,10547,10549],{"class":5208,"line":5310},[5206,10535,10515],{"class":5216},[5206,10537,5286],{"class":5227},[5206,10539,10520],{"class":5255},[5206,10541,5292],{"class":5227},[5206,10543,10544],{"class":5223},"'Другий рядок",[5206,10546,9099],{"class":9098},[5206,10548,9095],{"class":5223},[5206,10550,5333],{"class":5227},[5206,10552,10553,10555,10557,10559,10561,10564,10566,10568],{"class":5208,"line":5316},[5206,10554,10515],{"class":5216},[5206,10556,5286],{"class":5227},[5206,10558,10520],{"class":5255},[5206,10560,5292],{"class":5227},[5206,10562,10563],{"class":5223},"'Третій рядок",[5206,10565,9099],{"class":9098},[5206,10567,9095],{"class":5223},[5206,10569,5333],{"class":5227},[5206,10571,10572],{"class":5208,"line":5336},[5206,10573,5235],{"emptyLinePlaceholder":5234},[5206,10575,10576],{"class":5208,"line":5341},[5206,10577,10578],{"class":5241},"\u002F\u002F Завершення запису\n",[5206,10580,10581,10583,10585,10587,10589,10592,10594,10596,10598,10600],{"class":5208,"line":5347},[5206,10582,10515],{"class":5216},[5206,10584,5286],{"class":5227},[5206,10586,5116],{"class":5255},[5206,10588,5292],{"class":5227},[5206,10590,10591],{"class":5223},"'Останній рядок",[5206,10593,9099],{"class":9098},[5206,10595,9095],{"class":5223},[5206,10597,7589],{"class":5227},[5206,10599,5957],{"class":5248},[5206,10601,5960],{"class":5227},[5206,10603,10604,10606,10608,10610,10612,10615],{"class":5208,"line":5372},[5206,10605,6706],{"class":5216},[5206,10607,5286],{"class":5227},[5206,10609,6711],{"class":5255},[5206,10611,5292],{"class":5227},[5206,10613,10614],{"class":5223},"'Всі дані записано на диск'",[5206,10616,5333],{"class":5227},[5206,10618,10619],{"class":5208,"line":5451},[5206,10620,5984],{"class":5227},[5206,10622,10623],{"class":5208,"line":5584},[5206,10624,5235],{"emptyLinePlaceholder":5234},[5206,10626,10627,10629,10631,10633,10635,10637,10639,10641,10643,10645,10647,10649],{"class":5208,"line":5590},[5206,10628,10515],{"class":5216},[5206,10630,5286],{"class":5227},[5206,10632,6677],{"class":5255},[5206,10634,5292],{"class":5227},[5206,10636,6795],{"class":5223},[5206,10638,6685],{"class":5227},[5206,10640,5119],{"class":5216},[5206,10642,6691],{"class":5227},[5206,10644,6804],{"class":6694},[5206,10646,5954],{"class":5227},[5206,10648,5957],{"class":5248},[5206,10650,5960],{"class":5227},[5206,10652,10653,10655,10657,10659,10661,10664,10666,10668],{"class":5208,"line":5596},[5206,10654,6706],{"class":5216},[5206,10656,5286],{"class":5227},[5206,10658,5119],{"class":5255},[5206,10660,5292],{"class":5227},[5206,10662,10663],{"class":5223},"'Помилка запису:'",[5206,10665,5113],{"class":5227},[5206,10667,5119],{"class":5216},[5206,10669,5333],{"class":5227},[5206,10671,10672],{"class":5208,"line":6019},[5206,10673,5984],{"class":5227},[5176,10675,10677],{"id":10676},"події-writable-stream","Події Writable Stream",[7182,10679,10680,10695,10711,10714],{},[7185,10681,10682,10685],{"name":10403,"type":7947},[5181,10683,10684],{},"Випромінюється, коли внутрішній буфер звільнено і потік готовий приймати нові дані.",[5181,10686,10687,10689,10690,10692,10693,5286],{},[5138,10688,8022],{}," Обробка backpressure — продовження запису після ",[5110,10691,10328],{}," повернуло ",[5110,10694,10332],{},[7185,10696,10697,10703],{"name":10428,"type":7947},[5181,10698,10699,10700,10702],{},"Випромінюється після виклику ",[5110,10701,10424],{}," і запису всіх даних на диск.",[5181,10704,10705,7956,10708,10710],{},[5138,10706,10707],{},"Відмінність від callback у end():",[5110,10709,10428],{}," — подія, callback — аргумент функції.",[7185,10712,10713],{"name":6795,"type":7947},"Випромінюється при помилці запису (недостатньо місця на диску, відсутні права доступу).",[7185,10715,10716],{"name":8026,"type":7947},"Випромінюється після закриття потоку та звільнення файлового дескриптора.",[5176,10718,10720],{"id":10719},"обробка-backpressure-у-writable-stream","Обробка backpressure у Writable Stream",[5181,10722,10723,10724,10726,10727,10329,10729,10731],{},"Коли записуються дані швидше, ніж система встигає їх фізично записати на диск, виникає ",[5138,10725,9216],{}," (протитиск). Метод ",[5110,10728,10328],{},[5110,10730,10332],{},", сигналізуючи про необхідність призупинити запис:",[5197,10733,10735],{"className":5199,"code":10734,"language":5201,"meta":5202,"style":5202},"import fs from 'node:fs';\nimport type { ReadStream, WriteStream } from 'node:fs';\n\nconst writeStream = fs.createWriteStream('large-output.txt');\n\nfunction writeMillionLines() {\n  let lineNumber = 0;\n  const totalLines = 1_000_000;\n  \n  function writeNext() {\n    let canContinue = true;\n    \n    \u002F\u002F Пишемо, доки write() повертає true\n    while (lineNumber \u003C totalLines && canContinue) {\n      const line = `Рядок номер ${lineNumber}\\n`;\n      lineNumber++;\n      \n      if (lineNumber === totalLines) {\n        \u002F\u002F Останній рядок — завершуємо потік\n        writeStream.end(line, () => {\n          console.log(`Записано ${totalLines} рядків`);\n        });\n      } else {\n        \u002F\u002F Продовжуємо запис\n        canContinue = writeStream.write(line);\n      }\n    }\n    \n    \u002F\u002F Якщо write() повернув false, чекаємо 'drain'\n    if (lineNumber \u003C totalLines) {\n      console.log(`Backpressure на рядку ${lineNumber}, очікування drain...`);\n      writeStream.once('drain', writeNext);\n    }\n  }\n  \n  writeNext();\n}\n\nwriteMillionLines();\n",[5110,10736,10737,10749,10771,10775,10796,10800,10809,10822,10835,10839,10849,10863,10867,10872,10895,10919,10926,10931,10946,10951,10970,10995,11000,11010,11015,11034,11039,11043,11047,11052,11066,11090,11111,11115,11119,11123,11130,11134,11138],{"__ignoreMap":5202},[5206,10738,10739,10741,10743,10745,10747],{"class":5208,"line":5209},[5206,10740,5213],{"class":5212},[5206,10742,5217],{"class":5216},[5206,10744,5220],{"class":5212},[5206,10746,5785],{"class":5223},[5206,10748,5228],{"class":5227},[5206,10750,10751,10753,10755,10757,10759,10761,10763,10765,10767,10769],{"class":5208,"line":5231},[5206,10752,5213],{"class":5212},[5206,10754,5794],{"class":5212},[5206,10756,5797],{"class":5227},[5206,10758,5800],{"class":5216},[5206,10760,5113],{"class":5227},[5206,10762,5805],{"class":5216},[5206,10764,5808],{"class":5227},[5206,10766,5811],{"class":5212},[5206,10768,5785],{"class":5223},[5206,10770,5228],{"class":5227},[5206,10772,10773],{"class":5208,"line":5238},[5206,10774,5235],{"emptyLinePlaceholder":5234},[5206,10776,10777,10779,10781,10783,10785,10787,10789,10791,10794],{"class":5208,"line":5245},[5206,10778,5871],{"class":5248},[5206,10780,5902],{"class":5274},[5206,10782,5278],{"class":5227},[5206,10784,5879],{"class":5216},[5206,10786,5286],{"class":5227},[5206,10788,5911],{"class":5255},[5206,10790,5292],{"class":5227},[5206,10792,10793],{"class":5223},"'large-output.txt'",[5206,10795,5333],{"class":5227},[5206,10797,10798],{"class":5208,"line":5262},[5206,10799,5235],{"emptyLinePlaceholder":5234},[5206,10801,10802,10804,10807],{"class":5208,"line":5268},[5206,10803,7741],{"class":5248},[5206,10805,10806],{"class":5255}," writeMillionLines",[5206,10808,5259],{"class":5227},[5206,10810,10811,10813,10816,10818,10820],{"class":5208,"line":5304},[5206,10812,7598],{"class":5248},[5206,10814,10815],{"class":5216}," lineNumber",[5206,10817,5278],{"class":5227},[5206,10819,7792],{"class":5754},[5206,10821,5228],{"class":5227},[5206,10823,10824,10826,10828,10830,10833],{"class":5208,"line":5310},[5206,10825,5271],{"class":5248},[5206,10827,8151],{"class":5274},[5206,10829,5278],{"class":5227},[5206,10831,10832],{"class":5754},"1_000_000",[5206,10834,5228],{"class":5227},[5206,10836,10837],{"class":5208,"line":5316},[5206,10838,5307],{"class":5227},[5206,10840,10841,10844,10847],{"class":5208,"line":5336},[5206,10842,10843],{"class":5248},"  function",[5206,10845,10846],{"class":5255}," writeNext",[5206,10848,5259],{"class":5227},[5206,10850,10851,10854,10857,10859,10861],{"class":5208,"line":5341},[5206,10852,10853],{"class":5248},"    let",[5206,10855,10856],{"class":5216}," canContinue",[5206,10858,5278],{"class":5227},[5206,10860,10394],{"class":5248},[5206,10862,5228],{"class":5227},[5206,10864,10865],{"class":5208,"line":5347},[5206,10866,5409],{"class":5227},[5206,10868,10869],{"class":5208,"line":5372},[5206,10870,10871],{"class":5241},"    \u002F\u002F Пишемо, доки write() повертає true\n",[5206,10873,10874,10877,10879,10882,10885,10887,10890,10893],{"class":5208,"line":5451},[5206,10875,10876],{"class":5212},"    while",[5206,10878,5504],{"class":5227},[5206,10880,10881],{"class":5216},"lineNumber",[5206,10883,10884],{"class":5227}," \u003C ",[5206,10886,8436],{"class":5216},[5206,10888,10889],{"class":5227}," && ",[5206,10891,10892],{"class":5216},"canContinue",[5206,10894,6942],{"class":5227},[5206,10896,10897,10900,10902,10904,10907,10909,10911,10913,10915,10917],{"class":5208,"line":5584},[5206,10898,10899],{"class":5248},"      const",[5206,10901,9115],{"class":5274},[5206,10903,5278],{"class":5227},[5206,10905,10906],{"class":5223},"`Рядок номер ",[5206,10908,8398],{"class":5248},[5206,10910,10881],{"class":5216},[5206,10912,8413],{"class":5248},[5206,10914,9099],{"class":9098},[5206,10916,8416],{"class":5223},[5206,10918,5228],{"class":5227},[5206,10920,10921,10924],{"class":5208,"line":5590},[5206,10922,10923],{"class":5216},"      lineNumber",[5206,10925,8222],{"class":5227},[5206,10927,10928],{"class":5208,"line":5596},[5206,10929,10930],{"class":5227},"      \n",[5206,10932,10933,10936,10938,10940,10942,10944],{"class":5208,"line":6019},[5206,10934,10935],{"class":5212},"      if",[5206,10937,5504],{"class":5227},[5206,10939,10881],{"class":5216},[5206,10941,8907],{"class":5227},[5206,10943,8436],{"class":5216},[5206,10945,6942],{"class":5227},[5206,10947,10948],{"class":5208,"line":6051},[5206,10949,10950],{"class":5241},"        \u002F\u002F Останній рядок — завершуємо потік\n",[5206,10952,10953,10956,10958,10960,10962,10964,10966,10968],{"class":5208,"line":6056},[5206,10954,10955],{"class":5216},"        writeStream",[5206,10957,5286],{"class":5227},[5206,10959,5116],{"class":5255},[5206,10961,5292],{"class":5227},[5206,10963,5208],{"class":5216},[5206,10965,7589],{"class":5227},[5206,10967,5957],{"class":5248},[5206,10969,5960],{"class":5227},[5206,10971,10972,10975,10977,10979,10981,10984,10986,10988,10990,10993],{"class":5208,"line":6062},[5206,10973,10974],{"class":5216},"          console",[5206,10976,5286],{"class":5227},[5206,10978,6711],{"class":5255},[5206,10980,5292],{"class":5227},[5206,10982,10983],{"class":5223},"`Записано ",[5206,10985,8398],{"class":5248},[5206,10987,8436],{"class":5216},[5206,10989,8413],{"class":5248},[5206,10991,10992],{"class":5223}," рядків`",[5206,10994,5333],{"class":5227},[5206,10996,10997],{"class":5208,"line":6092},[5206,10998,10999],{"class":5227},"        });\n",[5206,11001,11002,11005,11008],{"class":5208,"line":6097},[5206,11003,11004],{"class":5227},"      } ",[5206,11006,11007],{"class":5212},"else",[5206,11009,5960],{"class":5227},[5206,11011,11012],{"class":5208,"line":6103},[5206,11013,11014],{"class":5241},"        \u002F\u002F Продовжуємо запис\n",[5206,11016,11017,11020,11022,11024,11026,11028,11030,11032],{"class":5208,"line":6122},[5206,11018,11019],{"class":5216},"        canContinue",[5206,11021,5278],{"class":5227},[5206,11023,10515],{"class":5216},[5206,11025,5286],{"class":5227},[5206,11027,10520],{"class":5255},[5206,11029,5292],{"class":5227},[5206,11031,5208],{"class":5216},[5206,11033,5333],{"class":5227},[5206,11035,11036],{"class":5208,"line":6148},[5206,11037,11038],{"class":5227},"      }\n",[5206,11040,11041],{"class":5208,"line":8451},[5206,11042,9179],{"class":5227},[5206,11044,11045],{"class":5208,"line":8482},[5206,11046,5409],{"class":5227},[5206,11048,11049],{"class":5208,"line":8507},[5206,11050,11051],{"class":5241},"    \u002F\u002F Якщо write() повернув false, чекаємо 'drain'\n",[5206,11053,11054,11056,11058,11060,11062,11064],{"class":5208,"line":8549},[5206,11055,9126],{"class":5212},[5206,11057,5504],{"class":5227},[5206,11059,10881],{"class":5216},[5206,11061,10884],{"class":5227},[5206,11063,8436],{"class":5216},[5206,11065,6942],{"class":5227},[5206,11067,11068,11070,11072,11074,11076,11079,11081,11083,11085,11088],{"class":5208,"line":8554},[5206,11069,8960],{"class":5216},[5206,11071,5286],{"class":5227},[5206,11073,6711],{"class":5255},[5206,11075,5292],{"class":5227},[5206,11077,11078],{"class":5223},"`Backpressure на рядку ",[5206,11080,8398],{"class":5248},[5206,11082,10881],{"class":5216},[5206,11084,8413],{"class":5248},[5206,11086,11087],{"class":5223},", очікування drain...`",[5206,11089,5333],{"class":5227},[5206,11091,11092,11095,11097,11100,11102,11104,11106,11109],{"class":5208,"line":8559},[5206,11093,11094],{"class":5216},"      writeStream",[5206,11096,5286],{"class":5227},[5206,11098,11099],{"class":5255},"once",[5206,11101,5292],{"class":5227},[5206,11103,10403],{"class":5223},[5206,11105,5113],{"class":5227},[5206,11107,11108],{"class":5216},"writeNext",[5206,11110,5333],{"class":5227},[5206,11112,11113],{"class":5208,"line":8586},[5206,11114,9179],{"class":5227},[5206,11116,11117],{"class":5208,"line":8611},[5206,11118,7686],{"class":5227},[5206,11120,11121],{"class":5208,"line":8616},[5206,11122,5307],{"class":5227},[5206,11124,11125,11128],{"class":5208,"line":8621},[5206,11126,11127],{"class":5255},"  writeNext",[5206,11129,8939],{"class":5227},[5206,11131,11132],{"class":5208,"line":8626},[5206,11133,5375],{"class":5227},[5206,11135,11136],{"class":5208,"line":8632},[5206,11137,5235],{"emptyLinePlaceholder":5234},[5206,11139,11140,11143],{"class":5208,"line":9186},[5206,11141,11142],{"class":5255},"writeMillionLines",[5206,11144,8939],{"class":5227},[5377,11146,11147],{},[5197,11148,11150],{"className":5381,"code":11149,"language":5377,"meta":5202,"style":5202},"sequenceDiagram\n    participant App as Application\n    participant S as Writable Stream\n    participant Disk as File System\n    \n    App->>S: write(chunk1)\n    S->>Disk: Async write\n    S-->>App: return true (буфер має місце)\n    \n    App->>S: write(chunk2)\n    S->>Disk: Async write\n    S-->>App: return true\n    \n    App->>S: write(chunk3)\n    Note over S: Буфер повний!\n    S-->>App: return false\n    \n    Note over App: Призупинити генерацію даних\n    App->>S: on('drain', callback)\n    \n    Disk->>S: Запис chunk1 завершено\n    Disk->>S: Запис chunk2 завершено\n    Note over S: Буфер звільнено\n    S->>App: emit('drain')\n    \n    App->>S: write(chunk4)\n    S->>Disk: Async write\n    S-->>App: return true\n",[5110,11151,11152,11156,11160,11165,11170,11174,11179,11184,11189,11193,11198,11202,11207,11211,11216,11221,11226,11230,11235,11240,11244,11249,11254,11259,11264,11268,11273,11277],{"__ignoreMap":5202},[5206,11153,11154],{"class":5208,"line":5209},[5206,11155,7816],{},[5206,11157,11158],{"class":5208,"line":5231},[5206,11159,7831],{},[5206,11161,11162],{"class":5208,"line":5238},[5206,11163,11164],{},"    participant S as Writable Stream\n",[5206,11166,11167],{"class":5208,"line":5245},[5206,11168,11169],{},"    participant Disk as File System\n",[5206,11171,11172],{"class":5208,"line":5262},[5206,11173,5409],{},[5206,11175,11176],{"class":5208,"line":5268},[5206,11177,11178],{},"    App->>S: write(chunk1)\n",[5206,11180,11181],{"class":5208,"line":5304},[5206,11182,11183],{},"    S->>Disk: Async write\n",[5206,11185,11186],{"class":5208,"line":5310},[5206,11187,11188],{},"    S-->>App: return true (буфер має місце)\n",[5206,11190,11191],{"class":5208,"line":5316},[5206,11192,5409],{},[5206,11194,11195],{"class":5208,"line":5336},[5206,11196,11197],{},"    App->>S: write(chunk2)\n",[5206,11199,11200],{"class":5208,"line":5341},[5206,11201,11183],{},[5206,11203,11204],{"class":5208,"line":5347},[5206,11205,11206],{},"    S-->>App: return true\n",[5206,11208,11209],{"class":5208,"line":5372},[5206,11210,5409],{},[5206,11212,11213],{"class":5208,"line":5451},[5206,11214,11215],{},"    App->>S: write(chunk3)\n",[5206,11217,11218],{"class":5208,"line":5584},[5206,11219,11220],{},"    Note over S: Буфер повний!\n",[5206,11222,11223],{"class":5208,"line":5590},[5206,11224,11225],{},"    S-->>App: return false\n",[5206,11227,11228],{"class":5208,"line":5596},[5206,11229,5409],{},[5206,11231,11232],{"class":5208,"line":6019},[5206,11233,11234],{},"    Note over App: Призупинити генерацію даних\n",[5206,11236,11237],{"class":5208,"line":6051},[5206,11238,11239],{},"    App->>S: on('drain', callback)\n",[5206,11241,11242],{"class":5208,"line":6056},[5206,11243,5409],{},[5206,11245,11246],{"class":5208,"line":6062},[5206,11247,11248],{},"    Disk->>S: Запис chunk1 завершено\n",[5206,11250,11251],{"class":5208,"line":6092},[5206,11252,11253],{},"    Disk->>S: Запис chunk2 завершено\n",[5206,11255,11256],{"class":5208,"line":6097},[5206,11257,11258],{},"    Note over S: Буфер звільнено\n",[5206,11260,11261],{"class":5208,"line":6103},[5206,11262,11263],{},"    S->>App: emit('drain')\n",[5206,11265,11266],{"class":5208,"line":6122},[5206,11267,5409],{},[5206,11269,11270],{"class":5208,"line":6148},[5206,11271,11272],{},"    App->>S: write(chunk4)\n",[5206,11274,11275],{"class":5208,"line":8451},[5206,11276,11183],{},[5206,11278,11279],{"class":5208,"line":8482},[5206,11280,11206],{},[6174,11282,11283,11288,11398],{},[5181,11284,11285],{},[5138,11286,11287],{},"Правило коректної обробки backpressure:",[5197,11289,11291],{"className":5199,"code":11290,"language":5201,"meta":5202,"style":5202},"\u002F\u002F ✅ ПРАВИЛЬНО: перевіряємо повернене значення write()\nif (!stream.write(data)) {\n  \u002F\u002F Буфер повний, чекаємо drain\n  stream.once('drain', continueWriting);\n} else {\n  \u002F\u002F Можна продовжувати\n  continueWriting();\n}\n\n\u002F\u002F ❌ НЕПРАВИЛЬНО: ігноруємо повернене значення\nstream.write(data); \u002F\u002F Ігнорування false призведе до Out-Of-Memory\ncontinueWriting();\n",[5110,11292,11293,11298,11317,11322,11341,11350,11355,11362,11366,11370,11375,11392],{"__ignoreMap":5202},[5206,11294,11295],{"class":5208,"line":5209},[5206,11296,11297],{"class":5241},"\u002F\u002F ✅ ПРАВИЛЬНО: перевіряємо повернене значення write()\n",[5206,11299,11300,11303,11305,11307,11309,11311,11313,11315],{"class":5208,"line":5231},[5206,11301,11302],{"class":5212},"if",[5206,11304,9601],{"class":5227},[5206,11306,7344],{"class":5216},[5206,11308,5286],{"class":5227},[5206,11310,10520],{"class":5255},[5206,11312,5292],{"class":5227},[5206,11314,5112],{"class":5216},[5206,11316,9143],{"class":5227},[5206,11318,11319],{"class":5208,"line":5238},[5206,11320,11321],{"class":5241},"  \u002F\u002F Буфер повний, чекаємо drain\n",[5206,11323,11324,11326,11328,11330,11332,11334,11336,11339],{"class":5208,"line":5245},[5206,11325,8192],{"class":5216},[5206,11327,5286],{"class":5227},[5206,11329,11099],{"class":5255},[5206,11331,5292],{"class":5227},[5206,11333,10403],{"class":5223},[5206,11335,5113],{"class":5227},[5206,11337,11338],{"class":5216},"continueWriting",[5206,11340,5333],{"class":5227},[5206,11342,11343,11346,11348],{"class":5208,"line":5262},[5206,11344,11345],{"class":5227},"} ",[5206,11347,11007],{"class":5212},[5206,11349,5960],{"class":5227},[5206,11351,11352],{"class":5208,"line":5268},[5206,11353,11354],{"class":5241},"  \u002F\u002F Можна продовжувати\n",[5206,11356,11357,11360],{"class":5208,"line":5304},[5206,11358,11359],{"class":5255},"  continueWriting",[5206,11361,8939],{"class":5227},[5206,11363,11364],{"class":5208,"line":5310},[5206,11365,5375],{"class":5227},[5206,11367,11368],{"class":5208,"line":5316},[5206,11369,5235],{"emptyLinePlaceholder":5234},[5206,11371,11372],{"class":5208,"line":5336},[5206,11373,11374],{"class":5241},"\u002F\u002F ❌ НЕПРАВИЛЬНО: ігноруємо повернене значення\n",[5206,11376,11377,11379,11381,11383,11385,11387,11389],{"class":5208,"line":5341},[5206,11378,7344],{"class":5216},[5206,11380,5286],{"class":5227},[5206,11382,10520],{"class":5255},[5206,11384,5292],{"class":5227},[5206,11386,5112],{"class":5216},[5206,11388,5298],{"class":5227},[5206,11390,11391],{"class":5241},"\u002F\u002F Ігнорування false призведе до Out-Of-Memory\n",[5206,11393,11394,11396],{"class":5208,"line":5347},[5206,11395,11338],{"class":5255},[5206,11397,8939],{"class":5227},[5181,11399,11400,11401,11403,11404,11406,11407,5504,11410,11413],{},"Ігнорування ",[5110,11402,10332],{}," від ",[5110,11405,10328],{}," призводить до накопичення даних у буфері пам'яті швидше, ніж вони записуються на диск, що спричиняє ",[5138,11408,11409],{},"витік пам'яті",[5099,11411,11412],{},"memory leak",") та OOM.",[5176,11415,11417],{"id":11416},"практичний-приклад-генерація-великого-csv-файлу","Практичний приклад: генерація великого CSV-файлу",[5197,11419,11421],{"className":5199,"code":11420,"language":5201,"meta":5202,"style":5202},"import fs from 'node:fs';\nimport type { ReadStream, WriteStream } from 'node:fs';\n\nfunction generateLargeCSV(filename, rowCount) {\n  const writeStream = fs.createWriteStream(filename, { encoding: 'utf8' });\n  \n  \u002F\u002F Заголовки CSV\n  writeStream.write('id,name,email,age,created_at\\n');\n  \n  let currentRow = 0;\n  let bytesWritten = 0;\n  const startTime = Date.now();\n  \n  function writeRows() {\n    let canContinue = true;\n    \n    while (currentRow \u003C rowCount && canContinue) {\n      currentRow++;\n      \n      const row = [\n        currentRow,\n        `User${currentRow}`,\n        `user${currentRow}@example.com`,\n        Math.floor(Math.random() * 60) + 18,\n        new Date().toISOString()\n      ].join(',') + '\\n';\n      \n      bytesWritten += Buffer.byteLength(row, 'utf8');\n      \n      if (currentRow === rowCount) {\n        \u002F\u002F Останній рядок\n        writeStream.end(row);\n      } else {\n        canContinue = writeStream.write(row);\n      }\n      \n      \u002F\u002F Прогрес кожні 100000 рядків\n      if (currentRow % 100000 === 0) {\n        const elapsed = (Date.now() - startTime) \u002F 1000;\n        const speed = Math.round(currentRow \u002F elapsed);\n        console.log(`Прогрес: ${currentRow}\u002F${rowCount} (${speed} рядків\u002Fсек)`);\n      }\n    }\n    \n    if (currentRow \u003C rowCount) {\n      \u002F\u002F Backpressure — чекаємо drain\n      writeStream.once('drain', writeRows);\n    }\n  }\n  \n  writeStream.on('finish', (): void => {\n    const totalTime = (Date.now() - startTime) \u002F 1000;\n    const sizeMB = (bytesWritten \u002F 1024 \u002F 1024).toFixed(2);\n    const speed = Math.round(rowCount \u002F totalTime);\n    \n    console.log('\\n✅ Генерацію завершено:');\n    console.log(`   Файл: ${filename}`);\n    console.log(`   Рядків: ${rowCount.toLocaleString()}`);\n    console.log(`   Розмір: ${sizeMB} МБ`);\n    console.log(`   Час: ${totalTime.toFixed(2)} сек`);\n    console.log(`   Швидкість: ${speed.toLocaleString()} рядків\u002Fсек`);\n  });\n  \n  writeStream.on('error', (error: Error) => {\n    console.error('Помилка запису:', error.message);\n  });\n  \n  \u002F\u002F Почати запис\n  writeRows();\n}\n\n\u002F\u002F Згенерувати CSV з 10 мільйонами рядків\ngenerateLargeCSV('users.csv', 10_000_000);\n",[5110,11422,11423,11435,11457,11461,11480,11506,11510,11515,11535,11539,11552,11565,11584,11588,11597,11609,11613,11632,11639,11643,11653,11660,11675,11691,11724,11741,11764,11768,11792,11796,11810,11815,11829,11837,11855,11859,11863,11868,11887,11918,11945,11987,11991,11995,11999,12013,12018,12037,12041,12045,12049,12069,12096,12128,12154,12159,12179,12203,12233,12259,12294,12325,12330,12335,12362,12385,12390,12395,12401,12409,12414,12419,12425],{"__ignoreMap":5202},[5206,11424,11425,11427,11429,11431,11433],{"class":5208,"line":5209},[5206,11426,5213],{"class":5212},[5206,11428,5217],{"class":5216},[5206,11430,5220],{"class":5212},[5206,11432,5785],{"class":5223},[5206,11434,5228],{"class":5227},[5206,11436,11437,11439,11441,11443,11445,11447,11449,11451,11453,11455],{"class":5208,"line":5231},[5206,11438,5213],{"class":5212},[5206,11440,5794],{"class":5212},[5206,11442,5797],{"class":5227},[5206,11444,5800],{"class":5216},[5206,11446,5113],{"class":5227},[5206,11448,5805],{"class":5216},[5206,11450,5808],{"class":5227},[5206,11452,5811],{"class":5212},[5206,11454,5785],{"class":5223},[5206,11456,5228],{"class":5227},[5206,11458,11459],{"class":5208,"line":5238},[5206,11460,5235],{"emptyLinePlaceholder":5234},[5206,11462,11463,11465,11468,11470,11473,11475,11478],{"class":5208,"line":5245},[5206,11464,7741],{"class":5248},[5206,11466,11467],{"class":5255}," generateLargeCSV",[5206,11469,5292],{"class":5227},[5206,11471,11472],{"class":5216},"filename",[5206,11474,5113],{"class":5227},[5206,11476,11477],{"class":5216},"rowCount",[5206,11479,6942],{"class":5227},[5206,11481,11482,11484,11486,11488,11490,11492,11494,11496,11498,11500,11502,11504],{"class":5208,"line":5262},[5206,11483,5271],{"class":5248},[5206,11485,5902],{"class":5274},[5206,11487,5278],{"class":5227},[5206,11489,5879],{"class":5216},[5206,11491,5286],{"class":5227},[5206,11493,5911],{"class":5255},[5206,11495,5292],{"class":5227},[5206,11497,11472],{"class":5216},[5206,11499,7322],{"class":5227},[5206,11501,7325],{"class":5216},[5206,11503,7087],{"class":5223},[5206,11505,7330],{"class":5227},[5206,11507,11508],{"class":5208,"line":5268},[5206,11509,5307],{"class":5227},[5206,11511,11512],{"class":5208,"line":5304},[5206,11513,11514],{"class":5241},"  \u002F\u002F Заголовки CSV\n",[5206,11516,11517,11520,11522,11524,11526,11529,11531,11533],{"class":5208,"line":5310},[5206,11518,11519],{"class":5216},"  writeStream",[5206,11521,5286],{"class":5227},[5206,11523,10520],{"class":5255},[5206,11525,5292],{"class":5227},[5206,11527,11528],{"class":5223},"'id,name,email,age,created_at",[5206,11530,9099],{"class":9098},[5206,11532,9095],{"class":5223},[5206,11534,5333],{"class":5227},[5206,11536,11537],{"class":5208,"line":5316},[5206,11538,5307],{"class":5227},[5206,11540,11541,11543,11546,11548,11550],{"class":5208,"line":5336},[5206,11542,7598],{"class":5248},[5206,11544,11545],{"class":5216}," currentRow",[5206,11547,5278],{"class":5227},[5206,11549,7792],{"class":5754},[5206,11551,5228],{"class":5227},[5206,11553,11554,11556,11559,11561,11563],{"class":5208,"line":5341},[5206,11555,7598],{"class":5248},[5206,11557,11558],{"class":5216}," bytesWritten",[5206,11560,5278],{"class":5227},[5206,11562,7792],{"class":5754},[5206,11564,5228],{"class":5227},[5206,11566,11567,11569,11572,11574,11577,11579,11582],{"class":5208,"line":5347},[5206,11568,5271],{"class":5248},[5206,11570,11571],{"class":5274}," startTime",[5206,11573,5278],{"class":5227},[5206,11575,11576],{"class":5216},"Date",[5206,11578,5286],{"class":5227},[5206,11580,11581],{"class":5255},"now",[5206,11583,8939],{"class":5227},[5206,11585,11586],{"class":5208,"line":5372},[5206,11587,5307],{"class":5227},[5206,11589,11590,11592,11595],{"class":5208,"line":5451},[5206,11591,10843],{"class":5248},[5206,11593,11594],{"class":5255}," 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currentRow",[5206,11638,8222],{"class":5227},[5206,11640,11641],{"class":5208,"line":6051},[5206,11642,10930],{"class":5227},[5206,11644,11645,11647,11650],{"class":5208,"line":6056},[5206,11646,10899],{"class":5248},[5206,11648,11649],{"class":5274}," row",[5206,11651,11652],{"class":5227}," = [\n",[5206,11654,11655,11658],{"class":5208,"line":6062},[5206,11656,11657],{"class":5216},"        currentRow",[5206,11659,9316],{"class":5227},[5206,11661,11662,11665,11667,11669,11671,11673],{"class":5208,"line":6092},[5206,11663,11664],{"class":5223},"        `User",[5206,11666,8398],{"class":5248},[5206,11668,11621],{"class":5216},[5206,11670,8413],{"class":5248},[5206,11672,8416],{"class":5223},[5206,11674,9316],{"class":5227},[5206,11676,11677,11680,11682,11684,11686,11689],{"class":5208,"line":6097},[5206,11678,11679],{"class":5223},"        `user",[5206,11681,8398],{"class":5248},[5206,11683,11621],{"class":5216},[5206,11685,8413],{"class":5248},[5206,11687,11688],{"class":5223},"@example.com`",[5206,11690,9316],{"class":5227},[5206,11692,11693,11696,11698,11701,11703,11705,11707,11710,11713,11716,11719,11722],{"class":5208,"line":6103},[5206,11694,11695],{"class":5216},"        Math",[5206,11697,5286],{"class":5227},[5206,11699,11700],{"class":5255},"floor",[5206,11702,5292],{"class":5227},[5206,11704,8523],{"class":5216},[5206,11706,5286],{"class":5227},[5206,11708,11709],{"class":5255},"random",[5206,11711,11712],{"class":5227},"() * ",[5206,11714,11715],{"class":5754},"60",[5206,11717,11718],{"class":5227},") + ",[5206,11720,11721],{"class":5754},"18",[5206,11723,9316],{"class":5227},[5206,11725,11726,11729,11732,11735,11738],{"class":5208,"line":6122},[5206,11727,11728],{"class":5248},"        new",[5206,11730,11731],{"class":5255}," Date",[5206,11733,11734],{"class":5227},"().",[5206,11736,11737],{"class":5255},"toISOString",[5206,11739,11740],{"class":5227},"()\n",[5206,11742,11743,11746,11749,11751,11754,11756,11758,11760,11762],{"class":5208,"line":6148},[5206,11744,11745],{"class":5227},"      ].",[5206,11747,11748],{"class":5255},"join",[5206,11750,5292],{"class":5227},[5206,11752,11753],{"class":5223},"','",[5206,11755,11718],{"class":5227},[5206,11757,9095],{"class":5223},[5206,11759,9099],{"class":9098},[5206,11761,9095],{"class":5223},[5206,11763,5228],{"class":5227},[5206,11765,11766],{"class":5208,"line":8451},[5206,11767,10930],{"class":5227},[5206,11769,11770,11773,11775,11777,11779,11781,11783,11786,11788,11790],{"class":5208,"line":8482},[5206,11771,11772],{"class":5216},"      bytesWritten",[5206,11774,8230],{"class":5227},[5206,11776,6695],{"class":5216},[5206,11778,5286],{"class":5227},[5206,11780,8237],{"class":5255},[5206,11782,5292],{"class":5227},[5206,11784,11785],{"class":5216},"row",[5206,11787,5113],{"class":5227},[5206,11789,7207],{"class":5223},[5206,11791,5333],{"class":5227},[5206,11793,11794],{"class":5208,"line":8507},[5206,11795,10930],{"class":5227},[5206,11797,11798,11800,11802,11804,11806,11808],{"class":5208,"line":8549},[5206,11799,10935],{"class":5212},[5206,11801,5504],{"class":5227},[5206,11803,11621],{"class":5216},[5206,11805,8907],{"class":5227},[5206,11807,11477],{"class":5216},[5206,11809,6942],{"class":5227},[5206,11811,11812],{"class":5208,"line":8554},[5206,11813,11814],{"class":5241},"        \u002F\u002F Останній рядок\n",[5206,11816,11817,11819,11821,11823,11825,11827],{"class":5208,"line":8559},[5206,11818,10955],{"class":5216},[5206,11820,5286],{"class":5227},[5206,11822,5116],{"class":5255},[5206,11824,5292],{"class":5227},[5206,11826,11785],{"class":5216},[5206,11828,5333],{"class":5227},[5206,11830,11831,11833,11835],{"class":5208,"line":8586},[5206,11832,11004],{"class":5227},[5206,11834,11007],{"class":5212},[5206,11836,5960],{"class":5227},[5206,11838,11839,11841,11843,11845,11847,11849,11851,11853],{"class":5208,"line":8611},[5206,11840,11019],{"class":5216},[5206,11842,5278],{"class":5227},[5206,11844,10515],{"class":5216},[5206,11846,5286],{"class":5227},[5206,11848,10520],{"class":5255},[5206,11850,5292],{"class":5227},[5206,11852,11785],{"class":5216},[5206,11854,5333],{"class":5227},[5206,11856,11857],{"class":5208,"line":8616},[5206,11858,11038],{"class":5227},[5206,11860,11861],{"class":5208,"line":8621},[5206,11862,10930],{"class":5227},[5206,11864,11865],{"class":5208,"line":8626},[5206,11866,11867],{"class":5241},"      \u002F\u002F Прогрес кожні 100000 рядків\n",[5206,11869,11870,11872,11874,11876,11878,11881,11883,11885],{"class":5208,"line":8632},[5206,11871,10935],{"class":5212},[5206,11873,5504],{"class":5227},[5206,11875,11621],{"class":5216},[5206,11877,8901],{"class":5227},[5206,11879,11880],{"class":5754},"100000",[5206,11882,8907],{"class":5227},[5206,11884,7792],{"class":5754},[5206,11886,6942],{"class":5227},[5206,11888,11889,11892,11895,11898,11900,11902,11904,11907,11910,11913,11916],{"class":5208,"line":9186},[5206,11890,11891],{"class":5248},"        const",[5206,11893,11894],{"class":5274}," elapsed",[5206,11896,11897],{"class":5227}," = (",[5206,11899,11576],{"class":5216},[5206,11901,5286],{"class":5227},[5206,11903,11581],{"class":5255},[5206,11905,11906],{"class":5227},"() - ",[5206,11908,11909],{"class":5216},"startTime",[5206,11911,11912],{"class":5227},") \u002F ",[5206,11914,11915],{"class":5754},"1000",[5206,11917,5228],{"class":5227},[5206,11919,11920,11922,11925,11927,11929,11931,11933,11935,11937,11940,11943],{"class":5208,"line":9756},[5206,11921,11891],{"class":5248},[5206,11923,11924],{"class":5274}," speed",[5206,11926,5278],{"class":5227},[5206,11928,8523],{"class":5216},[5206,11930,5286],{"class":5227},[5206,11932,8528],{"class":5255},[5206,11934,5292],{"class":5227},[5206,11936,11621],{"class":5216},[5206,11938,11939],{"class":5227}," \u002F ",[5206,11941,11942],{"class":5216},"elapsed",[5206,11944,5333],{"class":5227},[5206,11946,11947,11950,11952,11954,11956,11959,11961,11963,11965,11967,11969,11971,11973,11975,11977,11980,11982,11985],{"class":5208,"line":9762},[5206,11948,11949],{"class":5216},"        console",[5206,11951,5286],{"class":5227},[5206,11953,6711],{"class":5255},[5206,11955,5292],{"class":5227},[5206,11957,11958],{"class":5223},"`Прогрес: ",[5206,11960,8398],{"class":5248},[5206,11962,11621],{"class":5216},[5206,11964,8413],{"class":5248},[5206,11966,8322],{"class":5223},[5206,11968,8398],{"class":5248},[5206,11970,11477],{"class":5216},[5206,11972,8413],{"class":5248},[5206,11974,5504],{"class":5223},[5206,11976,8398],{"class":5248},[5206,11978,11979],{"class":5216},"speed",[5206,11981,8413],{"class":5248},[5206,11983,11984],{"class":5223}," рядків\u002Fсек)`",[5206,11986,5333],{"class":5227},[5206,11988,11989],{"class":5208,"line":9779},[5206,11990,11038],{"class":5227},[5206,11992,11993],{"class":5208,"line":9816},[5206,11994,9179],{"class":5227},[5206,11996,11997],{"class":5208,"line":9829},[5206,11998,5409],{"class":5227},[5206,12000,12001,12003,12005,12007,12009,12011],{"class":5208,"line":9841},[5206,12002,9126],{"class":5212},[5206,12004,5504],{"class":5227},[5206,12006,11621],{"class":5216},[5206,12008,10884],{"class":5227},[5206,12010,11477],{"class":5216},[5206,12012,6942],{"class":5227},[5206,12014,12015],{"class":5208,"line":9852},[5206,12016,12017],{"class":5241},"      \u002F\u002F Backpressure — чекаємо drain\n",[5206,12019,12020,12022,12024,12026,12028,12030,12032,12035],{"class":5208,"line":9857},[5206,12021,11094],{"class":5216},[5206,12023,5286],{"class":5227},[5206,12025,11099],{"class":5255},[5206,12027,5292],{"class":5227},[5206,12029,10403],{"class":5223},[5206,12031,5113],{"class":5227},[5206,12033,12034],{"class":5216},"writeRows",[5206,12036,5333],{"class":5227},[5206,12038,12039],{"class":5208,"line":9862},[5206,12040,9179],{"class":5227},[5206,12042,12043],{"class":5208,"line":9868},[5206,12044,7686],{"class":5227},[5206,12046,12047],{"class":5208,"line":9897},[5206,12048,5307],{"class":5227},[5206,12050,12051,12053,12055,12057,12059,12061,12063,12065,12067],{"class":5208,"line":9912},[5206,12052,11519],{"class":5216},[5206,12054,5286],{"class":5227},[5206,12056,6677],{"class":5255},[5206,12058,5292],{"class":5227},[5206,12060,10428],{"class":5223},[5206,12062,6751],{"class":5227},[5206,12064,6754],{"class":6694},[5206,12066,6757],{"class":5248},[5206,12068,5960],{"class":5227},[5206,12070,12072,12075,12078,12080,12082,12084,12086,12088,12090,12092,12094],{"class":5208,"line":12071},52,[5206,12073,12074],{"class":5248},"    const",[5206,12076,12077],{"class":5274}," totalTime",[5206,12079,11897],{"class":5227},[5206,12081,11576],{"class":5216},[5206,12083,5286],{"class":5227},[5206,12085,11581],{"class":5255},[5206,12087,11906],{"class":5227},[5206,12089,11909],{"class":5216},[5206,12091,11912],{"class":5227},[5206,12093,11915],{"class":5754},[5206,12095,5228],{"class":5227},[5206,12097,12099,12101,12104,12106,12109,12111,12113,12115,12117,12119,12122,12124,12126],{"class":5208,"line":12098},53,[5206,12100,12074],{"class":5248},[5206,12102,12103],{"class":5274}," sizeMB",[5206,12105,11897],{"class":5227},[5206,12107,12108],{"class":5216},"bytesWritten",[5206,12110,11939],{"class":5227},[5206,12112,7107],{"class":5754},[5206,12114,11939],{"class":5227},[5206,12116,7107],{"class":5754},[5206,12118,7784],{"class":5227},[5206,12120,12121],{"class":5255},"toFixed",[5206,12123,5292],{"class":5227},[5206,12125,9697],{"class":5754},[5206,12127,5333],{"class":5227},[5206,12129,12131,12133,12135,12137,12139,12141,12143,12145,12147,12149,12152],{"class":5208,"line":12130},54,[5206,12132,12074],{"class":5248},[5206,12134,11924],{"class":5274},[5206,12136,5278],{"class":5227},[5206,12138,8523],{"class":5216},[5206,12140,5286],{"class":5227},[5206,12142,8528],{"class":5255},[5206,12144,5292],{"class":5227},[5206,12146,11477],{"class":5216},[5206,12148,11939],{"class":5227},[5206,12150,12151],{"class":5216},"totalTime",[5206,12153,5333],{"class":5227},[5206,12155,12157],{"class":5208,"line":12156},55,[5206,12158,5409],{"class":5227},[5206,12160,12162,12164,12166,12168,12170,12172,12174,12177],{"class":5208,"line":12161},56,[5206,12163,7642],{"class":5216},[5206,12165,5286],{"class":5227},[5206,12167,6711],{"class":5255},[5206,12169,5292],{"class":5227},[5206,12171,9095],{"class":5223},[5206,12173,9099],{"class":9098},[5206,12175,12176],{"class":5223},"✅ Генерацію завершено:'",[5206,12178,5333],{"class":5227},[5206,12180,12182,12184,12186,12188,12190,12193,12195,12197,12199,12201],{"class":5208,"line":12181},57,[5206,12183,7642],{"class":5216},[5206,12185,5286],{"class":5227},[5206,12187,6711],{"class":5255},[5206,12189,5292],{"class":5227},[5206,12191,12192],{"class":5223},"`   Файл: ",[5206,12194,8398],{"class":5248},[5206,12196,11472],{"class":5216},[5206,12198,8413],{"class":5248},[5206,12200,8416],{"class":5223},[5206,12202,5333],{"class":5227},[5206,12204,12206,12208,12210,12212,12214,12217,12219,12221,12223,12225,12227,12229,12231],{"class":5208,"line":12205},58,[5206,12207,7642],{"class":5216},[5206,12209,5286],{"class":5227},[5206,12211,6711],{"class":5255},[5206,12213,5292],{"class":5227},[5206,12215,12216],{"class":5223},"`   Рядків: ",[5206,12218,8398],{"class":5248},[5206,12220,11477],{"class":5216},[5206,12222,5286],{"class":8404},[5206,12224,8407],{"class":5255},[5206,12226,8410],{"class":8404},[5206,12228,8413],{"class":5248},[5206,12230,8416],{"class":5223},[5206,12232,5333],{"class":5227},[5206,12234,12236,12238,12240,12242,12244,12247,12249,12252,12254,12257],{"class":5208,"line":12235},59,[5206,12237,7642],{"class":5216},[5206,12239,5286],{"class":5227},[5206,12241,6711],{"class":5255},[5206,12243,5292],{"class":5227},[5206,12245,12246],{"class":5223},"`   Розмір: ",[5206,12248,8398],{"class":5248},[5206,12250,12251],{"class":5216},"sizeMB",[5206,12253,8413],{"class":5248},[5206,12255,12256],{"class":5223}," МБ`",[5206,12258,5333],{"class":5227},[5206,12260,12262,12264,12266,12268,12270,12273,12275,12277,12279,12281,12283,12285,12287,12289,12292],{"class":5208,"line":12261},60,[5206,12263,7642],{"class":5216},[5206,12265,5286],{"class":5227},[5206,12267,6711],{"class":5255},[5206,12269,5292],{"class":5227},[5206,12271,12272],{"class":5223},"`   Час: ",[5206,12274,8398],{"class":5248},[5206,12276,12151],{"class":5216},[5206,12278,5286],{"class":8404},[5206,12280,12121],{"class":5255},[5206,12282,5292],{"class":8404},[5206,12284,9697],{"class":5754},[5206,12286,6569],{"class":8404},[5206,12288,8413],{"class":5248},[5206,12290,12291],{"class":5223}," сек`",[5206,12293,5333],{"class":5227},[5206,12295,12297,12299,12301,12303,12305,12308,12310,12312,12314,12316,12318,12320,12323],{"class":5208,"line":12296},61,[5206,12298,7642],{"class":5216},[5206,12300,5286],{"class":5227},[5206,12302,6711],{"class":5255},[5206,12304,5292],{"class":5227},[5206,12306,12307],{"class":5223},"`   Швидкість: ",[5206,12309,8398],{"class":5248},[5206,12311,11979],{"class":5216},[5206,12313,5286],{"class":8404},[5206,12315,8407],{"class":5255},[5206,12317,8410],{"class":8404},[5206,12319,8413],{"class":5248},[5206,12321,12322],{"class":5223}," рядків\u002Fсек`",[5206,12324,5333],{"class":5227},[5206,12326,12328],{"class":5208,"line":12327},62,[5206,12329,8343],{"class":5227},[5206,12331,12333],{"class":5208,"line":12332},63,[5206,12334,5307],{"class":5227},[5206,12336,12338,12340,12342,12344,12346,12348,12350,12352,12354,12356,12358,12360],{"class":5208,"line":12337},64,[5206,12339,11519],{"class":5216},[5206,12341,5286],{"class":5227},[5206,12343,6677],{"class":5255},[5206,12345,5292],{"class":5227},[5206,12347,6795],{"class":5223},[5206,12349,6685],{"class":5227},[5206,12351,5119],{"class":5216},[5206,12353,6691],{"class":5227},[5206,12355,6804],{"class":6694},[5206,12357,5954],{"class":5227},[5206,12359,5957],{"class":5248},[5206,12361,5960],{"class":5227},[5206,12363,12365,12367,12369,12371,12373,12375,12377,12379,12381,12383],{"class":5208,"line":12364},65,[5206,12366,7642],{"class":5216},[5206,12368,5286],{"class":5227},[5206,12370,5119],{"class":5255},[5206,12372,5292],{"class":5227},[5206,12374,10663],{"class":5223},[5206,12376,5113],{"class":5227},[5206,12378,5119],{"class":5216},[5206,12380,5286],{"class":5227},[5206,12382,8606],{"class":5216},[5206,12384,5333],{"class":5227},[5206,12386,12388],{"class":5208,"line":12387},66,[5206,12389,8343],{"class":5227},[5206,12391,12393],{"class":5208,"line":12392},67,[5206,12394,5307],{"class":5227},[5206,12396,12398],{"class":5208,"line":12397},68,[5206,12399,12400],{"class":5241},"  \u002F\u002F Почати запис\n",[5206,12402,12404,12407],{"class":5208,"line":12403},69,[5206,12405,12406],{"class":5255},"  writeRows",[5206,12408,8939],{"class":5227},[5206,12410,12412],{"class":5208,"line":12411},70,[5206,12413,5375],{"class":5227},[5206,12415,12417],{"class":5208,"line":12416},71,[5206,12418,5235],{"emptyLinePlaceholder":5234},[5206,12420,12422],{"class":5208,"line":12421},72,[5206,12423,12424],{"class":5241},"\u002F\u002F Згенерувати CSV з 10 мільйонами рядків\n",[5206,12426,12428,12431,12433,12436,12438,12441],{"class":5208,"line":12427},73,[5206,12429,12430],{"class":5255},"generateLargeCSV",[5206,12432,5292],{"class":5227},[5206,12434,12435],{"class":5223},"'users.csv'",[5206,12437,5113],{"class":5227},[5206,12439,12440],{"class":5754},"10_000_000",[5206,12442,5333],{"class":5227},[8644,12444,12446,12455,12463,12471,12479,12486,12494,12497,12505,12513,12521,12530,12539],{"title":12445},"node generate-csv.js",[8648,12447,12449,7956,12452],{"className":12448},[5208],[5206,12450,8655],{"className":12451},[8654],[5138,12453,12445],{"className":12454},[8659],[8648,12456,12458,12459],{"className":12457},[5208],"Прогрес: 100000\u002F10000000 ",[5206,12460,12462],{"className":12461},[8654],"(125432 рядків\u002Fсек)",[8648,12464,12466,12467],{"className":12465},[5208],"Прогрес: 200000\u002F10000000 ",[5206,12468,12470],{"className":12469},[8654],"(126891 рядків\u002Fсек)",[8648,12472,12474,12475],{"className":12473},[5208],"Прогрес: 300000\u002F10000000 ",[5206,12476,12478],{"className":12477},[8654],"(127045 рядків\u002Fсек)",[8648,12480,12482],{"className":12481},[5208],[5206,12483,12485],{"className":12484},[8654],"...",[8648,12487,12489,12490],{"className":12488},[5208],"Прогрес: 10000000\u002F10000000 ",[5206,12491,12493],{"className":12492},[8654],"(125789 рядків\u002Fсек)",[8648,12495],{"className":12496},[5208],[8648,12498,12500],{"className":12499},[5208],[5206,12501,12504],{"className":12502},[12503,8659],"text-green-400","✅ Генерацію завершено:",[8648,12506,12508,12509],{"className":12507},[5208],"   Файл: ",[5206,12510,12512],{"className":12511},[8671],"users.csv",[8648,12514,12516,12517],{"className":12515},[5208],"   Рядків: ",[5206,12518,12520],{"className":12519},[8671],"10,000,000",[8648,12522,12524,12525,12529],{"className":12523},[5208],"   Розмір: ",[5206,12526,12528],{"className":12527},[8671],"487.32"," МБ",[8648,12531,12533,12534,12538],{"className":12532},[5208],"   Час: ",[5206,12535,12537],{"className":12536},[8671],"79.45"," сек",[8648,12540,12542,12543,12547],{"className":12541},[5208],"   Швидкість: ",[5206,12544,12546],{"className":12545},[8671],"125,864"," рядків\u002Fсек",[5694,12549,12550,12555],{},[5181,12551,12552],{},[5138,12553,12554],{},"Споживання пам'яті у прикладі:",[5181,12556,12557,12558,12561,12562,5286],{},"Завдяки потоковому запису та коректній обробці backpressure, генерація файлу розміром ~500 МБ споживає лише ",[5138,12559,12560],{},"~20-30 МБ RAM"," (розмір внутрішнього буфера потоку). Без streams довелося б тримати всі 10 мільйонів рядків у пам'яті, що вимагало б ",[5138,12563,12564],{},"~2-3 ГБ RAM",[5176,12566,12568],{"id":12567},"запис-у-кілька-файлів-одночасно","Запис у кілька файлів одночасно",[5197,12570,12572],{"className":5199,"code":12571,"language":5201,"meta":5202,"style":5202},"import fs from 'node:fs';\nimport type { ReadStream, WriteStream } from 'node:fs';\n\nfunction splitLogsByLevel(inputFile) {\n  const readStream = fs.createReadStream(inputFile, { encoding: 'utf8' });\n  \n  \u002F\u002F Три окремі потоки для запису\n  const streams = {\n    info: fs.createWriteStream('info.log'),\n    warn: fs.createWriteStream('warn.log'),\n    error: fs.createWriteStream('error.log')\n  };\n  \n  let buffer = '';\n  \n  readStream.on('data', (chunk: Buffer) => {\n    buffer += chunk;\n    \n    \u002F\u002F Обробка повних рядків\n    let lines = buffer.split('\\n');\n    buffer = lines.pop(); \u002F\u002F Зберегти неповний останній рядок\n    \n    for (const line of lines) {\n      if (line.includes('[INFO]')) {\n        streams.info.write(line + '\\n');\n      } else if (line.includes('[WARN]')) {\n        streams.warn.write(line + '\\n');\n      } else if (line.includes('[ERROR]')) {\n        streams.error.write(line + '\\n');\n      }\n    }\n  });\n  \n  readStream.on('end', (): void => {\n    \u002F\u002F Записати залишок буфера\n    if (buffer) {\n      if (buffer.includes('[INFO]')) streams.info.write(buffer + '\\n');\n      else if (buffer.includes('[WARN]')) streams.warn.write(buffer + '\\n');\n      else if (buffer.includes('[ERROR]')) streams.error.write(buffer + '\\n');\n    }\n    \n    \u002F\u002F Закрити всі потоки\n    streams.info.end();\n    streams.warn.end();\n    streams.error.end();\n    \n    console.log('Логи розділено за рівнями');\n  });\n  \n  readStream.on('error', (error: Error) => {\n    console.error('Помилка читання:', error);\n  });\n}\n\nsplitLogsByLevel('application.log');\n",[5110,12573,12574,12586,12608,12612,12626,12652,12656,12661,12671,12689,12707,12725,12730,12734,12747,12751,12778,12789,12793,12798,12823,12843,12847,12864,12883,12911,12935,12962,12985,13011,13015,13019,13023,13027,13047,13052,13062,13105,13150,13194,13198,13202,13207,13222,13236,13250,13254,13269,13273,13277,13303,13321,13325,13329,13333],{"__ignoreMap":5202},[5206,12575,12576,12578,12580,12582,12584],{"class":5208,"line":5209},[5206,12577,5213],{"class":5212},[5206,12579,5217],{"class":5216},[5206,12581,5220],{"class":5212},[5206,12583,5785],{"class":5223},[5206,12585,5228],{"class":5227},[5206,12587,12588,12590,12592,12594,12596,12598,12600,12602,12604,12606],{"class":5208,"line":5231},[5206,12589,5213],{"class":5212},[5206,12591,5794],{"class":5212},[5206,12593,5797],{"class":5227},[5206,12595,5800],{"class":5216},[5206,12597,5113],{"class":5227},[5206,12599,5805],{"class":5216},[5206,12601,5808],{"class":5227},[5206,12603,5811],{"class":5212},[5206,12605,5785],{"class":5223},[5206,12607,5228],{"class":5227},[5206,12609,12610],{"class":5208,"line":5238},[5206,12611,5235],{"emptyLinePlaceholder":5234},[5206,12613,12614,12616,12619,12621,12624],{"class":5208,"line":5245},[5206,12615,7741],{"class":5248},[5206,12617,12618],{"class":5255}," splitLogsByLevel",[5206,12620,5292],{"class":5227},[5206,12622,12623],{"class":5216},"inputFile",[5206,12625,6942],{"class":5227},[5206,12627,12628,12630,12632,12634,12636,12638,12640,12642,12644,12646,12648,12650],{"class":5208,"line":5262},[5206,12629,5271],{"class":5248},[5206,12631,5874],{"class":5274},[5206,12633,5278],{"class":5227},[5206,12635,5879],{"class":5216},[5206,12637,5286],{"class":5227},[5206,12639,5884],{"class":5255},[5206,12641,5292],{"class":5227},[5206,12643,12623],{"class":5216},[5206,12645,7322],{"class":5227},[5206,12647,7325],{"class":5216},[5206,12649,7087],{"class":5223},[5206,12651,7330],{"class":5227},[5206,12653,12654],{"class":5208,"line":5268},[5206,12655,5307],{"class":5227},[5206,12657,12658],{"class":5208,"line":5304},[5206,12659,12660],{"class":5241},"  \u002F\u002F Три окремі потоки для запису\n",[5206,12662,12663,12665,12668],{"class":5208,"line":5310},[5206,12664,5271],{"class":5248},[5206,12666,12667],{"class":5274}," streams",[5206,12669,12670],{"class":5227}," = {\n",[5206,12672,12673,12676,12678,12680,12682,12684,12687],{"class":5208,"line":5316},[5206,12674,12675],{"class":5216},"    info:",[5206,12677,5217],{"class":5216},[5206,12679,5286],{"class":5227},[5206,12681,5911],{"class":5255},[5206,12683,5292],{"class":5227},[5206,12685,12686],{"class":5223},"'info.log'",[5206,12688,10033],{"class":5227},[5206,12690,12691,12694,12696,12698,12700,12702,12705],{"class":5208,"line":5336},[5206,12692,12693],{"class":5216},"    warn:",[5206,12695,5217],{"class":5216},[5206,12697,5286],{"class":5227},[5206,12699,5911],{"class":5255},[5206,12701,5292],{"class":5227},[5206,12703,12704],{"class":5223},"'warn.log'",[5206,12706,10033],{"class":5227},[5206,12708,12709,12712,12714,12716,12718,12720,12723],{"class":5208,"line":5341},[5206,12710,12711],{"class":5216},"    error:",[5206,12713,5217],{"class":5216},[5206,12715,5286],{"class":5227},[5206,12717,5911],{"class":5255},[5206,12719,5292],{"class":5227},[5206,12721,12722],{"class":5223},"'error.log'",[5206,12724,6229],{"class":5227},[5206,12726,12727],{"class":5208,"line":5347},[5206,12728,12729],{"class":5227},"  };\n",[5206,12731,12732],{"class":5208,"line":5372},[5206,12733,5307],{"class":5227},[5206,12735,12736,12738,12741,12743,12745],{"class":5208,"line":5451},[5206,12737,7598],{"class":5248},[5206,12739,12740],{"class":5216}," buffer",[5206,12742,5278],{"class":5227},[5206,12744,9347],{"class":5223},[5206,12746,5228],{"class":5227},[5206,12748,12749],{"class":5208,"line":5584},[5206,12750,5307],{"class":5227},[5206,12752,12753,12756,12758,12760,12762,12764,12766,12768,12770,12772,12774,12776],{"class":5208,"line":5590},[5206,12754,12755],{"class":5216},"  readStream",[5206,12757,5286],{"class":5227},[5206,12759,6677],{"class":5255},[5206,12761,5292],{"class":5227},[5206,12763,6682],{"class":5223},[5206,12765,6685],{"class":5227},[5206,12767,6688],{"class":5216},[5206,12769,6691],{"class":5227},[5206,12771,6695],{"class":6694},[5206,12773,5954],{"class":5227},[5206,12775,5957],{"class":5248},[5206,12777,5960],{"class":5227},[5206,12779,12780,12783,12785,12787],{"class":5208,"line":5596},[5206,12781,12782],{"class":5216},"    buffer",[5206,12784,8230],{"class":5227},[5206,12786,6688],{"class":5216},[5206,12788,5228],{"class":5227},[5206,12790,12791],{"class":5208,"line":6019},[5206,12792,5409],{"class":5227},[5206,12794,12795],{"class":5208,"line":6051},[5206,12796,12797],{"class":5241},"    \u002F\u002F Обробка повних рядків\n",[5206,12799,12800,12802,12804,12806,12809,12811,12813,12815,12817,12819,12821],{"class":5208,"line":6056},[5206,12801,10853],{"class":5248},[5206,12803,9082],{"class":5216},[5206,12805,5278],{"class":5227},[5206,12807,12808],{"class":5216},"buffer",[5206,12810,5286],{"class":5227},[5206,12812,8310],{"class":5255},[5206,12814,5292],{"class":5227},[5206,12816,9095],{"class":5223},[5206,12818,9099],{"class":9098},[5206,12820,9095],{"class":5223},[5206,12822,5333],{"class":5227},[5206,12824,12825,12827,12829,12832,12834,12837,12840],{"class":5208,"line":6062},[5206,12826,12782],{"class":5216},[5206,12828,5278],{"class":5227},[5206,12830,12831],{"class":5216},"lines",[5206,12833,5286],{"class":5227},[5206,12835,12836],{"class":5255},"pop",[5206,12838,12839],{"class":5227},"(); ",[5206,12841,12842],{"class":5241},"\u002F\u002F Зберегти неповний останній рядок\n",[5206,12844,12845],{"class":5208,"line":6092},[5206,12846,5409],{"class":5227},[5206,12848,12849,12852,12854,12856,12858,12860,12862],{"class":5208,"line":6097},[5206,12850,12851],{"class":5212},"    for",[5206,12853,5504],{"class":5227},[5206,12855,5871],{"class":5248},[5206,12857,9115],{"class":5274},[5206,12859,6937],{"class":5248},[5206,12861,9082],{"class":5216},[5206,12863,6942],{"class":5227},[5206,12865,12866,12868,12870,12872,12874,12876,12878,12881],{"class":5208,"line":6103},[5206,12867,10935],{"class":5212},[5206,12869,5504],{"class":5227},[5206,12871,5208],{"class":5216},[5206,12873,5286],{"class":5227},[5206,12875,9135],{"class":5255},[5206,12877,5292],{"class":5227},[5206,12879,12880],{"class":5223},"'[INFO]'",[5206,12882,9143],{"class":5227},[5206,12884,12885,12888,12890,12893,12895,12897,12899,12901,12903,12905,12907,12909],{"class":5208,"line":6122},[5206,12886,12887],{"class":5216},"        streams",[5206,12889,5286],{"class":5227},[5206,12891,12892],{"class":5216},"info",[5206,12894,5286],{"class":5227},[5206,12896,10520],{"class":5255},[5206,12898,5292],{"class":5227},[5206,12900,5208],{"class":5216},[5206,12902,9745],{"class":5227},[5206,12904,9095],{"class":5223},[5206,12906,9099],{"class":9098},[5206,12908,9095],{"class":5223},[5206,12910,5333],{"class":5227},[5206,12912,12913,12915,12917,12920,12922,12924,12926,12928,12930,12933],{"class":5208,"line":6148},[5206,12914,11004],{"class":5227},[5206,12916,11007],{"class":5212},[5206,12918,12919],{"class":5212}," if",[5206,12921,5504],{"class":5227},[5206,12923,5208],{"class":5216},[5206,12925,5286],{"class":5227},[5206,12927,9135],{"class":5255},[5206,12929,5292],{"class":5227},[5206,12931,12932],{"class":5223},"'[WARN]'",[5206,12934,9143],{"class":5227},[5206,12936,12937,12939,12941,12944,12946,12948,12950,12952,12954,12956,12958,12960],{"class":5208,"line":8451},[5206,12938,12887],{"class":5216},[5206,12940,5286],{"class":5227},[5206,12942,12943],{"class":5216},"warn",[5206,12945,5286],{"class":5227},[5206,12947,10520],{"class":5255},[5206,12949,5292],{"class":5227},[5206,12951,5208],{"class":5216},[5206,12953,9745],{"class":5227},[5206,12955,9095],{"class":5223},[5206,12957,9099],{"class":9098},[5206,12959,9095],{"class":5223},[5206,12961,5333],{"class":5227},[5206,12963,12964,12966,12968,12970,12972,12974,12976,12978,12980,12983],{"class":5208,"line":8482},[5206,12965,11004],{"class":5227},[5206,12967,11007],{"class":5212},[5206,12969,12919],{"class":5212},[5206,12971,5504],{"class":5227},[5206,12973,5208],{"class":5216},[5206,12975,5286],{"class":5227},[5206,12977,9135],{"class":5255},[5206,12979,5292],{"class":5227},[5206,12981,12982],{"class":5223},"'[ERROR]'",[5206,12984,9143],{"class":5227},[5206,12986,12987,12989,12991,12993,12995,12997,12999,13001,13003,13005,13007,13009],{"class":5208,"line":8507},[5206,12988,12887],{"class":5216},[5206,12990,5286],{"class":5227},[5206,12992,5119],{"class":5216},[5206,12994,5286],{"class":5227},[5206,12996,10520],{"class":5255},[5206,12998,5292],{"class":5227},[5206,13000,5208],{"class":5216},[5206,13002,9745],{"class":5227},[5206,13004,9095],{"class":5223},[5206,13006,9099],{"class":9098},[5206,13008,9095],{"class":5223},[5206,13010,5333],{"class":5227},[5206,13012,13013],{"class":5208,"line":8549},[5206,13014,11038],{"class":5227},[5206,13016,13017],{"class":5208,"line":8554},[5206,13018,9179],{"class":5227},[5206,13020,13021],{"class":5208,"line":8559},[5206,13022,8343],{"class":5227},[5206,13024,13025],{"class":5208,"line":8586},[5206,13026,5307],{"class":5227},[5206,13028,13029,13031,13033,13035,13037,13039,13041,13043,13045],{"class":5208,"line":8611},[5206,13030,12755],{"class":5216},[5206,13032,5286],{"class":5227},[5206,13034,6677],{"class":5255},[5206,13036,5292],{"class":5227},[5206,13038,6748],{"class":5223},[5206,13040,6751],{"class":5227},[5206,13042,6754],{"class":6694},[5206,13044,6757],{"class":5248},[5206,13046,5960],{"class":5227},[5206,13048,13049],{"class":5208,"line":8616},[5206,13050,13051],{"class":5241},"    \u002F\u002F Записати залишок буфера\n",[5206,13053,13054,13056,13058,13060],{"class":5208,"line":8621},[5206,13055,9126],{"class":5212},[5206,13057,5504],{"class":5227},[5206,13059,12808],{"class":5216},[5206,13061,6942],{"class":5227},[5206,13063,13064,13066,13068,13070,13072,13074,13076,13078,13081,13083,13085,13087,13089,13091,13093,13095,13097,13099,13101,13103],{"class":5208,"line":8626},[5206,13065,10935],{"class":5212},[5206,13067,5504],{"class":5227},[5206,13069,12808],{"class":5216},[5206,13071,5286],{"class":5227},[5206,13073,9135],{"class":5255},[5206,13075,5292],{"class":5227},[5206,13077,12880],{"class":5223},[5206,13079,13080],{"class":5227},")) ",[5206,13082,5101],{"class":5216},[5206,13084,5286],{"class":5227},[5206,13086,12892],{"class":5216},[5206,13088,5286],{"class":5227},[5206,13090,10520],{"class":5255},[5206,13092,5292],{"class":5227},[5206,13094,12808],{"class":5216},[5206,13096,9745],{"class":5227},[5206,13098,9095],{"class":5223},[5206,13100,9099],{"class":9098},[5206,13102,9095],{"class":5223},[5206,13104,5333],{"class":5227},[5206,13106,13107,13110,13112,13114,13116,13118,13120,13122,13124,13126,13128,13130,13132,13134,13136,13138,13140,13142,13144,13146,13148],{"class":5208,"line":8632},[5206,13108,13109],{"class":5212},"      else",[5206,13111,12919],{"class":5212},[5206,13113,5504],{"class":5227},[5206,13115,12808],{"class":5216},[5206,13117,5286],{"class":5227},[5206,13119,9135],{"class":5255},[5206,13121,5292],{"class":5227},[5206,13123,12932],{"class":5223},[5206,13125,13080],{"class":5227},[5206,13127,5101],{"class":5216},[5206,13129,5286],{"class":5227},[5206,13131,12943],{"class":5216},[5206,13133,5286],{"class":5227},[5206,13135,10520],{"class":5255},[5206,13137,5292],{"class":5227},[5206,13139,12808],{"class":5216},[5206,13141,9745],{"class":5227},[5206,13143,9095],{"class":5223},[5206,13145,9099],{"class":9098},[5206,13147,9095],{"class":5223},[5206,13149,5333],{"class":5227},[5206,13151,13152,13154,13156,13158,13160,13162,13164,13166,13168,13170,13172,13174,13176,13178,13180,13182,13184,13186,13188,13190,13192],{"class":5208,"line":9186},[5206,13153,13109],{"class":5212},[5206,13155,12919],{"class":5212},[5206,13157,5504],{"class":5227},[5206,13159,12808],{"class":5216},[5206,13161,5286],{"class":5227},[5206,13163,9135],{"class":5255},[5206,13165,5292],{"class":5227},[5206,13167,12982],{"class":5223},[5206,13169,13080],{"class":5227},[5206,13171,5101],{"class":5216},[5206,13173,5286],{"class":5227},[5206,13175,5119],{"class":5216},[5206,13177,5286],{"class":5227},[5206,13179,10520],{"class":5255},[5206,13181,5292],{"class":5227},[5206,13183,12808],{"class":5216},[5206,13185,9745],{"class":5227},[5206,13187,9095],{"class":5223},[5206,13189,9099],{"class":9098},[5206,13191,9095],{"class":5223},[5206,13193,5333],{"class":5227},[5206,13195,13196],{"class":5208,"line":9756},[5206,13197,9179],{"class":5227},[5206,13199,13200],{"class":5208,"line":9762},[5206,13201,5409],{"class":5227},[5206,13203,13204],{"class":5208,"line":9779},[5206,13205,13206],{"class":5241},"    \u002F\u002F Закрити всі потоки\n",[5206,13208,13209,13212,13214,13216,13218,13220],{"class":5208,"line":9816},[5206,13210,13211],{"class":5216},"    streams",[5206,13213,5286],{"class":5227},[5206,13215,12892],{"class":5216},[5206,13217,5286],{"class":5227},[5206,13219,5116],{"class":5255},[5206,13221,8939],{"class":5227},[5206,13223,13224,13226,13228,13230,13232,13234],{"class":5208,"line":9829},[5206,13225,13211],{"class":5216},[5206,13227,5286],{"class":5227},[5206,13229,12943],{"class":5216},[5206,13231,5286],{"class":5227},[5206,13233,5116],{"class":5255},[5206,13235,8939],{"class":5227},[5206,13237,13238,13240,13242,13244,13246,13248],{"class":5208,"line":9841},[5206,13239,13211],{"class":5216},[5206,13241,5286],{"class":5227},[5206,13243,5119],{"class":5216},[5206,13245,5286],{"class":5227},[5206,13247,5116],{"class":5255},[5206,13249,8939],{"class":5227},[5206,13251,13252],{"class":5208,"line":9852},[5206,13253,5409],{"class":5227},[5206,13255,13256,13258,13260,13262,13264,13267],{"class":5208,"line":9857},[5206,13257,7642],{"class":5216},[5206,13259,5286],{"class":5227},[5206,13261,6711],{"class":5255},[5206,13263,5292],{"class":5227},[5206,13265,13266],{"class":5223},"'Логи розділено за рівнями'",[5206,13268,5333],{"class":5227},[5206,13270,13271],{"class":5208,"line":9862},[5206,13272,8343],{"class":5227},[5206,13274,13275],{"class":5208,"line":9868},[5206,13276,5307],{"class":5227},[5206,13278,13279,13281,13283,13285,13287,13289,13291,13293,13295,13297,13299,13301],{"class":5208,"line":9897},[5206,13280,12755],{"class":5216},[5206,13282,5286],{"class":5227},[5206,13284,6677],{"class":5255},[5206,13286,5292],{"class":5227},[5206,13288,6795],{"class":5223},[5206,13290,6685],{"class":5227},[5206,13292,5119],{"class":5216},[5206,13294,6691],{"class":5227},[5206,13296,6804],{"class":6694},[5206,13298,5954],{"class":5227},[5206,13300,5957],{"class":5248},[5206,13302,5960],{"class":5227},[5206,13304,13305,13307,13309,13311,13313,13315,13317,13319],{"class":5208,"line":9912},[5206,13306,7642],{"class":5216},[5206,13308,5286],{"class":5227},[5206,13310,5119],{"class":5255},[5206,13312,5292],{"class":5227},[5206,13314,6823],{"class":5223},[5206,13316,5113],{"class":5227},[5206,13318,5119],{"class":5216},[5206,13320,5333],{"class":5227},[5206,13322,13323],{"class":5208,"line":12071},[5206,13324,8343],{"class":5227},[5206,13326,13327],{"class":5208,"line":12098},[5206,13328,5375],{"class":5227},[5206,13330,13331],{"class":5208,"line":12130},[5206,13332,5235],{"emptyLinePlaceholder":5234},[5206,13334,13335,13338,13340,13343],{"class":5208,"line":12156},[5206,13336,13337],{"class":5255},"splitLogsByLevel",[5206,13339,5292],{"class":5227},[5206,13341,13342],{"class":5223},"'application.log'",[5206,13344,5333],{"class":5227},[5181,13346,13347],{},"Цей приклад демонструє одночасне читання одного файлу та запис у три різні файли на основі фільтрації вмісту — все без завантаження всього лог-файлу у пам'ять.",[5171,13349,13351],{"id":13350},"piping-зєднання-потоків-у-конвеєр","Piping: з'єднання потоків у конвеєр",[5176,13353,13355],{"id":13354},"концепція-pipe-автоматичний-потік-даних","Концепція pipe() — автоматичний потік даних",[5181,13357,9198,13358,13361,13362,6546],{},[5110,13359,13360],{},"pipe()"," дозволяє з'єднати Readable Stream з Writable Stream, автоматично передаючи дані та ",[5138,13363,13364],{},"керуючи backpressure",[5197,13366,13368],{"className":5199,"code":13367,"language":5201,"meta":5202,"style":5202},"import fs from 'node:fs';\nimport type { ReadStream, WriteStream } from 'node:fs';\n\n\u002F\u002F Ручний підхід (багато коду)\nconst readStream = fs.createReadStream('input.txt');\nconst writeStream = fs.createWriteStream('output.txt');\n\nreadStream.on('data', (chunk: Buffer) => {\n  const canContinue = writeStream.write(chunk);\n  if (!canContinue) {\n    readStream.pause(); \u002F\u002F Backpressure\n  }\n});\n\nwriteStream.on('drain', (): void => {\n  readStream.resume();\n});\n\nreadStream.on('end', (): void => {\n  writeStream.end();\n});\n\n\u002F\u002F ✅ З pipe() — один рядок\nfs.createReadStream('input.txt')\n  .pipe(fs.createWriteStream('output.txt'));\n",[5110,13369,13370,13382,13404,13408,13413,13433,13453,13457,13483,13503,13513,13527,13531,13535,13539,13559,13569,13573,13577,13597,13607,13611,13615,13620,13634],{"__ignoreMap":5202},[5206,13371,13372,13374,13376,13378,13380],{"class":5208,"line":5209},[5206,13373,5213],{"class":5212},[5206,13375,5217],{"class":5216},[5206,13377,5220],{"class":5212},[5206,13379,5785],{"class":5223},[5206,13381,5228],{"class":5227},[5206,13383,13384,13386,13388,13390,13392,13394,13396,13398,13400,13402],{"class":5208,"line":5231},[5206,13385,5213],{"class":5212},[5206,13387,5794],{"class":5212},[5206,13389,5797],{"class":5227},[5206,13391,5800],{"class":5216},[5206,13393,5113],{"class":5227},[5206,13395,5805],{"class":5216},[5206,13397,5808],{"class":5227},[5206,13399,5811],{"class":5212},[5206,13401,5785],{"class":5223},[5206,13403,5228],{"class":5227},[5206,13405,13406],{"class":5208,"line":5238},[5206,13407,5235],{"emptyLinePlaceholder":5234},[5206,13409,13410],{"class":5208,"line":5245},[5206,13411,13412],{"class":5241},"\u002F\u002F Ручний підхід (багато коду)\n",[5206,13414,13415,13417,13419,13421,13423,13425,13427,13429,13431],{"class":5208,"line":5262},[5206,13416,5871],{"class":5248},[5206,13418,5874],{"class":5274},[5206,13420,5278],{"class":5227},[5206,13422,5879],{"class":5216},[5206,13424,5286],{"class":5227},[5206,13426,5884],{"class":5255},[5206,13428,5292],{"class":5227},[5206,13430,5889],{"class":5223},[5206,13432,5333],{"class":5227},[5206,13434,13435,13437,13439,13441,13443,13445,13447,13449,13451],{"class":5208,"line":5268},[5206,13436,5871],{"class":5248},[5206,13438,5902],{"class":5274},[5206,13440,5278],{"class":5227},[5206,13442,5879],{"class":5216},[5206,13444,5286],{"class":5227},[5206,13446,5911],{"class":5255},[5206,13448,5292],{"class":5227},[5206,13450,5916],{"class":5223},[5206,13452,5333],{"class":5227},[5206,13454,13455],{"class":5208,"line":5304},[5206,13456,5235],{"emptyLinePlaceholder":5234},[5206,13458,13459,13461,13463,13465,13467,13469,13471,13473,13475,13477,13479,13481],{"class":5208,"line":5310},[5206,13460,6672],{"class":5216},[5206,13462,5286],{"class":5227},[5206,13464,6677],{"class":5255},[5206,13466,5292],{"class":5227},[5206,13468,6682],{"class":5223},[5206,13470,6685],{"class":5227},[5206,13472,6688],{"class":5216},[5206,13474,6691],{"class":5227},[5206,13476,6695],{"class":6694},[5206,13478,5954],{"class":5227},[5206,13480,5957],{"class":5248},[5206,13482,5960],{"class":5227},[5206,13484,13485,13487,13489,13491,13493,13495,13497,13499,13501],{"class":5208,"line":5316},[5206,13486,5271],{"class":5248},[5206,13488,10856],{"class":5274},[5206,13490,5278],{"class":5227},[5206,13492,10515],{"class":5216},[5206,13494,5286],{"class":5227},[5206,13496,10520],{"class":5255},[5206,13498,5292],{"class":5227},[5206,13500,6688],{"class":5216},[5206,13502,5333],{"class":5227},[5206,13504,13505,13507,13509,13511],{"class":5208,"line":5336},[5206,13506,8894],{"class":5212},[5206,13508,9601],{"class":5227},[5206,13510,10892],{"class":5216},[5206,13512,6942],{"class":5227},[5206,13514,13515,13518,13520,13522,13524],{"class":5208,"line":5341},[5206,13516,13517],{"class":5216},"    readStream",[5206,13519,5286],{"class":5227},[5206,13521,8936],{"class":5255},[5206,13523,12839],{"class":5227},[5206,13525,13526],{"class":5241},"\u002F\u002F Backpressure\n",[5206,13528,13529],{"class":5208,"line":5347},[5206,13530,7686],{"class":5227},[5206,13532,13533],{"class":5208,"line":5372},[5206,13534,5984],{"class":5227},[5206,13536,13537],{"class":5208,"line":5451},[5206,13538,5235],{"emptyLinePlaceholder":5234},[5206,13540,13541,13543,13545,13547,13549,13551,13553,13555,13557],{"class":5208,"line":5584},[5206,13542,10515],{"class":5216},[5206,13544,5286],{"class":5227},[5206,13546,6677],{"class":5255},[5206,13548,5292],{"class":5227},[5206,13550,10403],{"class":5223},[5206,13552,6751],{"class":5227},[5206,13554,6754],{"class":6694},[5206,13556,6757],{"class":5248},[5206,13558,5960],{"class":5227},[5206,13560,13561,13563,13565,13567],{"class":5208,"line":5590},[5206,13562,12755],{"class":5216},[5206,13564,5286],{"class":5227},[5206,13566,8981],{"class":5255},[5206,13568,8939],{"class":5227},[5206,13570,13571],{"class":5208,"line":5596},[5206,13572,5984],{"class":5227},[5206,13574,13575],{"class":5208,"line":6019},[5206,13576,5235],{"emptyLinePlaceholder":5234},[5206,13578,13579,13581,13583,13585,13587,13589,13591,13593,13595],{"class":5208,"line":6051},[5206,13580,6672],{"class":5216},[5206,13582,5286],{"class":5227},[5206,13584,6677],{"class":5255},[5206,13586,5292],{"class":5227},[5206,13588,6748],{"class":5223},[5206,13590,6751],{"class":5227},[5206,13592,6754],{"class":6694},[5206,13594,6757],{"class":5248},[5206,13596,5960],{"class":5227},[5206,13598,13599,13601,13603,13605],{"class":5208,"line":6056},[5206,13600,11519],{"class":5216},[5206,13602,5286],{"class":5227},[5206,13604,5116],{"class":5255},[5206,13606,8939],{"class":5227},[5206,13608,13609],{"class":5208,"line":6062},[5206,13610,5984],{"class":5227},[5206,13612,13613],{"class":5208,"line":6092},[5206,13614,5235],{"emptyLinePlaceholder":5234},[5206,13616,13617],{"class":5208,"line":6097},[5206,13618,13619],{"class":5241},"\u002F\u002F ✅ З pipe() — один рядок\n",[5206,13621,13622,13624,13626,13628,13630,13632],{"class":5208,"line":6103},[5206,13623,5879],{"class":5216},[5206,13625,5286],{"class":5227},[5206,13627,5884],{"class":5255},[5206,13629,5292],{"class":5227},[5206,13631,5889],{"class":5223},[5206,13633,6229],{"class":5227},[5206,13635,13636,13638,13640,13642,13644,13646,13648,13650,13652],{"class":5208,"line":6122},[5206,13637,6234],{"class":5227},[5206,13639,5970],{"class":5255},[5206,13641,5292],{"class":5227},[5206,13643,5879],{"class":5216},[5206,13645,5286],{"class":5227},[5206,13647,5911],{"class":5255},[5206,13649,5292],{"class":5227},[5206,13651,5916],{"class":5223},[5206,13653,7800],{"class":5227},[7182,13655,13656],{},[7185,13657,13659,13662,13666,13687,13694,13699],{"name":13658,"type":6472},"readable.pipe(writable, options)",[5181,13660,13661],{},"З'єднує readable потік з writable, автоматично передаючи дані та керуючи backpressure.",[5181,13663,13664],{},[5138,13665,10362],{},[5092,13667,13668,13674],{},[5095,13669,13670,13673],{},[5110,13671,13672],{},"writable"," (Writable Stream) — потік-приймач",[5095,13675,13676,13679,13680,13682,13683,13686],{},[5110,13677,13678],{},"options.end"," (boolean, за замовчуванням ",[5110,13681,10394],{},") — чи викликати ",[5110,13684,13685],{},"writable.end()"," після завершення readable",[5181,13688,13689,7956,13691,13693],{},[5138,13690,10385],{},[5110,13692,13672],{}," — для chaining pipe()",[5181,13695,13696],{},[5138,13697,13698],{},"Автоматичні дії:",[5092,13700,13701,13710,13716,13724],{},[5095,13702,13703,13704,5113,13706,5113,13708],{},"Підписується на події ",[5110,13705,6682],{},[5110,13707,6748],{},[5110,13709,6795],{},[5095,13711,13712,13713,13715],{},"Викликає ",[5110,13714,9201],{}," при backpressure",[5095,13717,13712,13718,13721,13722],{},[5110,13719,13720],{},"resume()"," після події ",[5110,13723,10403],{},[5095,13725,13726,13727,6569],{},"Закриває writable після завершення readable (якщо ",[5110,13728,13729],{},"options.end !== false",[5176,13731,13733],{"id":13732},"базове-копіювання-файлу","Базове копіювання файлу",[5197,13735,13737],{"className":5199,"code":13736,"language":5201,"meta":5202,"style":5202},"import fs from 'node:fs';\nimport type { ReadStream, WriteStream } from 'node:fs';\n\nfunction copyFile(source, destination) {\n  const readStream = fs.createReadStream(source);\n  const writeStream = fs.createWriteStream(destination);\n  \n  \u002F\u002F Pipe автоматично обробляє backpressure\n  readStream.pipe(writeStream);\n  \n  \u002F\u002F Обробка завершення\n  writeStream.on('finish', (): void => {\n    console.log(`Файл скопійовано: ${source} → ${destination}`);\n  });\n  \n  \u002F\u002F Обробка помилок\n  readStream.on('error', (error: Error) => {\n    console.error('Помилка читання:', error.message);\n  });\n  \n  writeStream.on('error', (error: Error) => {\n    console.error('Помилка запису:', error.message);\n    readStream.destroy(); \u002F\u002F Зупинити читання при помилці запису\n  });\n}\n\ncopyFile('large-video.mp4', 'backup-video.mp4');\n",[5110,13738,13739,13751,13773,13777,13796,13816,13836,13840,13845,13859,13863,13868,13888,13920,13924,13928,13933,13959,13981,13985,13989,14015,14037,14051,14055,14059,14063],{"__ignoreMap":5202},[5206,13740,13741,13743,13745,13747,13749],{"class":5208,"line":5209},[5206,13742,5213],{"class":5212},[5206,13744,5217],{"class":5216},[5206,13746,5220],{"class":5212},[5206,13748,5785],{"class":5223},[5206,13750,5228],{"class":5227},[5206,13752,13753,13755,13757,13759,13761,13763,13765,13767,13769,13771],{"class":5208,"line":5231},[5206,13754,5213],{"class":5212},[5206,13756,5794],{"class":5212},[5206,13758,5797],{"class":5227},[5206,13760,5800],{"class":5216},[5206,13762,5113],{"class":5227},[5206,13764,5805],{"class":5216},[5206,13766,5808],{"class":5227},[5206,13768,5811],{"class":5212},[5206,13770,5785],{"class":5223},[5206,13772,5228],{"class":5227},[5206,13774,13775],{"class":5208,"line":5238},[5206,13776,5235],{"emptyLinePlaceholder":5234},[5206,13778,13779,13781,13784,13786,13789,13791,13794],{"class":5208,"line":5245},[5206,13780,7741],{"class":5248},[5206,13782,13783],{"class":5255}," copyFile",[5206,13785,5292],{"class":5227},[5206,13787,13788],{"class":5216},"source",[5206,13790,5113],{"class":5227},[5206,13792,13793],{"class":5216},"destination",[5206,13795,6942],{"class":5227},[5206,13797,13798,13800,13802,13804,13806,13808,13810,13812,13814],{"class":5208,"line":5262},[5206,13799,5271],{"class":5248},[5206,13801,5874],{"class":5274},[5206,13803,5278],{"class":5227},[5206,13805,5879],{"class":5216},[5206,13807,5286],{"class":5227},[5206,13809,5884],{"class":5255},[5206,13811,5292],{"class":5227},[5206,13813,13788],{"class":5216},[5206,13815,5333],{"class":5227},[5206,13817,13818,13820,13822,13824,13826,13828,13830,13832,13834],{"class":5208,"line":5268},[5206,13819,5271],{"class":5248},[5206,13821,5902],{"class":5274},[5206,13823,5278],{"class":5227},[5206,13825,5879],{"class":5216},[5206,13827,5286],{"class":5227},[5206,13829,5911],{"class":5255},[5206,13831,5292],{"class":5227},[5206,13833,13793],{"class":5216},[5206,13835,5333],{"class":5227},[5206,13837,13838],{"class":5208,"line":5304},[5206,13839,5307],{"class":5227},[5206,13841,13842],{"class":5208,"line":5310},[5206,13843,13844],{"class":5241},"  \u002F\u002F Pipe автоматично обробляє backpressure\n",[5206,13846,13847,13849,13851,13853,13855,13857],{"class":5208,"line":5316},[5206,13848,12755],{"class":5216},[5206,13850,5286],{"class":5227},[5206,13852,5970],{"class":5255},[5206,13854,5292],{"class":5227},[5206,13856,10515],{"class":5216},[5206,13858,5333],{"class":5227},[5206,13860,13861],{"class":5208,"line":5336},[5206,13862,5307],{"class":5227},[5206,13864,13865],{"class":5208,"line":5341},[5206,13866,13867],{"class":5241},"  \u002F\u002F Обробка завершення\n",[5206,13869,13870,13872,13874,13876,13878,13880,13882,13884,13886],{"class":5208,"line":5347},[5206,13871,11519],{"class":5216},[5206,13873,5286],{"class":5227},[5206,13875,6677],{"class":5255},[5206,13877,5292],{"class":5227},[5206,13879,10428],{"class":5223},[5206,13881,6751],{"class":5227},[5206,13883,6754],{"class":6694},[5206,13885,6757],{"class":5248},[5206,13887,5960],{"class":5227},[5206,13889,13890,13892,13894,13896,13898,13901,13903,13905,13907,13910,13912,13914,13916,13918],{"class":5208,"line":5372},[5206,13891,7642],{"class":5216},[5206,13893,5286],{"class":5227},[5206,13895,6711],{"class":5255},[5206,13897,5292],{"class":5227},[5206,13899,13900],{"class":5223},"`Файл скопійовано: ",[5206,13902,8398],{"class":5248},[5206,13904,13788],{"class":5216},[5206,13906,8413],{"class":5248},[5206,13908,13909],{"class":5223}," → ",[5206,13911,8398],{"class":5248},[5206,13913,13793],{"class":5216},[5206,13915,8413],{"class":5248},[5206,13917,8416],{"class":5223},[5206,13919,5333],{"class":5227},[5206,13921,13922],{"class":5208,"line":5451},[5206,13923,8343],{"class":5227},[5206,13925,13926],{"class":5208,"line":5584},[5206,13927,5307],{"class":5227},[5206,13929,13930],{"class":5208,"line":5590},[5206,13931,13932],{"class":5241},"  \u002F\u002F Обробка помилок\n",[5206,13934,13935,13937,13939,13941,13943,13945,13947,13949,13951,13953,13955,13957],{"class":5208,"line":5596},[5206,13936,12755],{"class":5216},[5206,13938,5286],{"class":5227},[5206,13940,6677],{"class":5255},[5206,13942,5292],{"class":5227},[5206,13944,6795],{"class":5223},[5206,13946,6685],{"class":5227},[5206,13948,5119],{"class":5216},[5206,13950,6691],{"class":5227},[5206,13952,6804],{"class":6694},[5206,13954,5954],{"class":5227},[5206,13956,5957],{"class":5248},[5206,13958,5960],{"class":5227},[5206,13960,13961,13963,13965,13967,13969,13971,13973,13975,13977,13979],{"class":5208,"line":6019},[5206,13962,7642],{"class":5216},[5206,13964,5286],{"class":5227},[5206,13966,5119],{"class":5255},[5206,13968,5292],{"class":5227},[5206,13970,6823],{"class":5223},[5206,13972,5113],{"class":5227},[5206,13974,5119],{"class":5216},[5206,13976,5286],{"class":5227},[5206,13978,8606],{"class":5216},[5206,13980,5333],{"class":5227},[5206,13982,13983],{"class":5208,"line":6051},[5206,13984,8343],{"class":5227},[5206,13986,13987],{"class":5208,"line":6056},[5206,13988,5307],{"class":5227},[5206,13990,13991,13993,13995,13997,13999,14001,14003,14005,14007,14009,14011,14013],{"class":5208,"line":6062},[5206,13992,11519],{"class":5216},[5206,13994,5286],{"class":5227},[5206,13996,6677],{"class":5255},[5206,13998,5292],{"class":5227},[5206,14000,6795],{"class":5223},[5206,14002,6685],{"class":5227},[5206,14004,5119],{"class":5216},[5206,14006,6691],{"class":5227},[5206,14008,6804],{"class":6694},[5206,14010,5954],{"class":5227},[5206,14012,5957],{"class":5248},[5206,14014,5960],{"class":5227},[5206,14016,14017,14019,14021,14023,14025,14027,14029,14031,14033,14035],{"class":5208,"line":6092},[5206,14018,7642],{"class":5216},[5206,14020,5286],{"class":5227},[5206,14022,5119],{"class":5255},[5206,14024,5292],{"class":5227},[5206,14026,10663],{"class":5223},[5206,14028,5113],{"class":5227},[5206,14030,5119],{"class":5216},[5206,14032,5286],{"class":5227},[5206,14034,8606],{"class":5216},[5206,14036,5333],{"class":5227},[5206,14038,14039,14041,14043,14046,14048],{"class":5208,"line":6097},[5206,14040,13517],{"class":5216},[5206,14042,5286],{"class":5227},[5206,14044,14045],{"class":5255},"destroy",[5206,14047,12839],{"class":5227},[5206,14049,14050],{"class":5241},"\u002F\u002F Зупинити читання при помилці запису\n",[5206,14052,14053],{"class":5208,"line":6103},[5206,14054,8343],{"class":5227},[5206,14056,14057],{"class":5208,"line":6122},[5206,14058,5375],{"class":5227},[5206,14060,14061],{"class":5208,"line":6148},[5206,14062,5235],{"emptyLinePlaceholder":5234},[5206,14064,14065,14068,14070,14073,14075,14078],{"class":5208,"line":8451},[5206,14066,14067],{"class":5255},"copyFile",[5206,14069,5292],{"class":5227},[5206,14071,14072],{"class":5223},"'large-video.mp4'",[5206,14074,5113],{"class":5227},[5206,14076,14077],{"class":5223},"'backup-video.mp4'",[5206,14079,5333],{"class":5227},[6174,14081,14082,14087,14117],{},[5181,14083,14084],{},[5138,14085,14086],{},"Переваги pipe() над ручною обробкою:",[5461,14088,14089,14099,14105,14111],{},[5095,14090,14091,14094,14095,11939,14097],{},[5138,14092,14093],{},"Автоматичний backpressure:"," не потрібно вручну керувати ",[5110,14096,9201],{},[5110,14098,13720],{},[5095,14100,14101,14104],{},[5138,14102,14103],{},"Менше коду:"," одна строка замість 10-15 рядків обробників подій",[5095,14106,14107,14110],{},[5138,14108,14109],{},"Захист від витоків пам'яті:"," автоматична призупинка при переповненні буфера",[5095,14112,14113,14116],{},[5138,14114,14115],{},"Chaining:"," можна будувати ланцюжки трансформацій",[5197,14118,14120],{"className":5199,"code":14119,"language":5201,"meta":5202,"style":5202},"\u002F\u002F Ланцюжок обробки\nsource\n  .pipe(transform1)\n  .pipe(transform2)\n  .pipe(transform3)\n  .pipe(destination);\n",[5110,14121,14122,14127,14132,14145,14158,14171],{"__ignoreMap":5202},[5206,14123,14124],{"class":5208,"line":5209},[5206,14125,14126],{"class":5241},"\u002F\u002F Ланцюжок обробки\n",[5206,14128,14129],{"class":5208,"line":5231},[5206,14130,14131],{"class":5216},"source\n",[5206,14133,14134,14136,14138,14140,14143],{"class":5208,"line":5238},[5206,14135,6234],{"class":5227},[5206,14137,5970],{"class":5255},[5206,14139,5292],{"class":5227},[5206,14141,14142],{"class":5216},"transform1",[5206,14144,6229],{"class":5227},[5206,14146,14147,14149,14151,14153,14156],{"class":5208,"line":5245},[5206,14148,6234],{"class":5227},[5206,14150,5970],{"class":5255},[5206,14152,5292],{"class":5227},[5206,14154,14155],{"class":5216},"transform2",[5206,14157,6229],{"class":5227},[5206,14159,14160,14162,14164,14166,14169],{"class":5208,"line":5262},[5206,14161,6234],{"class":5227},[5206,14163,5970],{"class":5255},[5206,14165,5292],{"class":5227},[5206,14167,14168],{"class":5216},"transform3",[5206,14170,6229],{"class":5227},[5206,14172,14173,14175,14177,14179,14181],{"class":5208,"line":5268},[5206,14174,6234],{"class":5227},[5206,14176,5970],{"class":5255},[5206,14178,5292],{"class":5227},[5206,14180,13793],{"class":5216},[5206,14182,5333],{"class":5227},[5176,14184,14186],{"id":14185},"ланцюжок-трансформацій-стиснення-файлу","Ланцюжок трансформацій: стиснення файлу",[5197,14188,14190],{"className":5199,"code":14189,"language":5201,"meta":5202,"style":5202},"import fs from 'node:fs';\nimport type { ReadStream, WriteStream } from 'node:fs';\nimport zlib from 'node:zlib';\n\nfunction compressFile(inputFile, outputFile) {\n  const readStream = fs.createReadStream(inputFile);\n  const gzipStream = zlib.createGzip({ level: 9 }); \u002F\u002F Максимальне стиснення\n  const writeStream = fs.createWriteStream(outputFile);\n  \n  \u002F\u002F Ланцюжок: Читання → Стиснення → Запис\n  readStream\n    .pipe(gzipStream)\n    .pipe(writeStream);\n  \n  \u002F\u002F Відстеження прогресу\n  let inputBytes = 0;\n  let outputBytes = 0;\n  \n  readStream.on('data', (chunk: Buffer) => {\n    inputBytes += chunk.length;\n  });\n  \n  gzipStream.on('data', (chunk: Buffer) => {\n    outputBytes += chunk.length;\n  });\n  \n  writeStream.on('finish', (): void => {\n    const ratio = ((1 - outputBytes \u002F inputBytes) * 100).toFixed(2);\n    console.log(`Стиснення завершено:`);\n    console.log(`  Вхід: ${(inputBytes \u002F 1024 \u002F 1024).toFixed(2)} МБ`);\n    console.log(`  Вихід: ${(outputBytes \u002F 1024 \u002F 1024).toFixed(2)} МБ`);\n    console.log(`  Компресія: ${ratio}%`);\n  });\n  \n  \u002F\u002F Обробка помилок на кожному етапі\n  readStream.on('error', (error: Error) => {\n    console.error('Помилка читання:', error.message);\n  });\n  \n  gzipStream.on('error', (error: Error) => {\n    console.error('Помилка стиснення:', error.message);\n  });\n  \n  writeStream.on('error', (error: Error) => {\n    console.error('Помилка запису:', error.message);\n  });\n}\n\ncompressFile('document.txt', 'document.txt.gz');\n",[5110,14191,14192,14204,14226,14238,14242,14260,14280,14310,14330,14334,14339,14344,14358,14370,14374,14379,14392,14405,14409,14435,14450,14454,14458,14485,14500,14504,14508,14528,14566,14581,14625,14668,14693,14697,14701,14706,14732,14754,14758,14762,14788,14811,14815,14819,14845,14867,14871,14875,14879],{"__ignoreMap":5202},[5206,14193,14194,14196,14198,14200,14202],{"class":5208,"line":5209},[5206,14195,5213],{"class":5212},[5206,14197,5217],{"class":5216},[5206,14199,5220],{"class":5212},[5206,14201,5785],{"class":5223},[5206,14203,5228],{"class":5227},[5206,14205,14206,14208,14210,14212,14214,14216,14218,14220,14222,14224],{"class":5208,"line":5231},[5206,14207,5213],{"class":5212},[5206,14209,5794],{"class":5212},[5206,14211,5797],{"class":5227},[5206,14213,5800],{"class":5216},[5206,14215,5113],{"class":5227},[5206,14217,5805],{"class":5216},[5206,14219,5808],{"class":5227},[5206,14221,5811],{"class":5212},[5206,14223,5785],{"class":5223},[5206,14225,5228],{"class":5227},[5206,14227,14228,14230,14232,14234,14236],{"class":5208,"line":5238},[5206,14229,5213],{"class":5212},[5206,14231,5836],{"class":5216},[5206,14233,5220],{"class":5212},[5206,14235,5841],{"class":5223},[5206,14237,5228],{"class":5227},[5206,14239,14240],{"class":5208,"line":5245},[5206,14241,5235],{"emptyLinePlaceholder":5234},[5206,14243,14244,14246,14249,14251,14253,14255,14258],{"class":5208,"line":5262},[5206,14245,7741],{"class":5248},[5206,14247,14248],{"class":5255}," compressFile",[5206,14250,5292],{"class":5227},[5206,14252,12623],{"class":5216},[5206,14254,5113],{"class":5227},[5206,14256,14257],{"class":5216},"outputFile",[5206,14259,6942],{"class":5227},[5206,14261,14262,14264,14266,14268,14270,14272,14274,14276,14278],{"class":5208,"line":5268},[5206,14263,5271],{"class":5248},[5206,14265,5874],{"class":5274},[5206,14267,5278],{"class":5227},[5206,14269,5879],{"class":5216},[5206,14271,5286],{"class":5227},[5206,14273,5884],{"class":5255},[5206,14275,5292],{"class":5227},[5206,14277,12623],{"class":5216},[5206,14279,5333],{"class":5227},[5206,14281,14282,14284,14287,14289,14291,14293,14295,14298,14301,14304,14307],{"class":5208,"line":5304},[5206,14283,5271],{"class":5248},[5206,14285,14286],{"class":5274}," gzipStream",[5206,14288,5278],{"class":5227},[5206,14290,6005],{"class":5216},[5206,14292,5286],{"class":5227},[5206,14294,6010],{"class":5255},[5206,14296,14297],{"class":5227},"({ ",[5206,14299,14300],{"class":5216},"level:",[5206,14302,14303],{"class":5754}," 9",[5206,14305,14306],{"class":5227}," }); ",[5206,14308,14309],{"class":5241},"\u002F\u002F Максимальне стиснення\n",[5206,14311,14312,14314,14316,14318,14320,14322,14324,14326,14328],{"class":5208,"line":5310},[5206,14313,5271],{"class":5248},[5206,14315,5902],{"class":5274},[5206,14317,5278],{"class":5227},[5206,14319,5879],{"class":5216},[5206,14321,5286],{"class":5227},[5206,14323,5911],{"class":5255},[5206,14325,5292],{"class":5227},[5206,14327,14257],{"class":5216},[5206,14329,5333],{"class":5227},[5206,14331,14332],{"class":5208,"line":5316},[5206,14333,5307],{"class":5227},[5206,14335,14336],{"class":5208,"line":5336},[5206,14337,14338],{"class":5241},"  \u002F\u002F Ланцюжок: Читання → Стиснення → Запис\n",[5206,14340,14341],{"class":5208,"line":5341},[5206,14342,14343],{"class":5216},"  readStream\n",[5206,14345,14346,14349,14351,14353,14356],{"class":5208,"line":5347},[5206,14347,14348],{"class":5227},"    .",[5206,14350,5970],{"class":5255},[5206,14352,5292],{"class":5227},[5206,14354,14355],{"class":5216},"gzipStream",[5206,14357,6229],{"class":5227},[5206,14359,14360,14362,14364,14366,14368],{"class":5208,"line":5372},[5206,14361,14348],{"class":5227},[5206,14363,5970],{"class":5255},[5206,14365,5292],{"class":5227},[5206,14367,10515],{"class":5216},[5206,14369,5333],{"class":5227},[5206,14371,14372],{"class":5208,"line":5451},[5206,14373,5307],{"class":5227},[5206,14375,14376],{"class":5208,"line":5584},[5206,14377,14378],{"class":5241},"  \u002F\u002F Відстеження прогресу\n",[5206,14380,14381,14383,14386,14388,14390],{"class":5208,"line":5590},[5206,14382,7598],{"class":5248},[5206,14384,14385],{"class":5216}," inputBytes",[5206,14387,5278],{"class":5227},[5206,14389,7792],{"class":5754},[5206,14391,5228],{"class":5227},[5206,14393,14394,14396,14399,14401,14403],{"class":5208,"line":5596},[5206,14395,7598],{"class":5248},[5206,14397,14398],{"class":5216}," outputBytes",[5206,14400,5278],{"class":5227},[5206,14402,7792],{"class":5754},[5206,14404,5228],{"class":5227},[5206,14406,14407],{"class":5208,"line":6019},[5206,14408,5307],{"class":5227},[5206,14410,14411,14413,14415,14417,14419,14421,14423,14425,14427,14429,14431,14433],{"class":5208,"line":6051},[5206,14412,12755],{"class":5216},[5206,14414,5286],{"class":5227},[5206,14416,6677],{"class":5255},[5206,14418,5292],{"class":5227},[5206,14420,6682],{"class":5223},[5206,14422,6685],{"class":5227},[5206,14424,6688],{"class":5216},[5206,14426,6691],{"class":5227},[5206,14428,6695],{"class":6694},[5206,14430,5954],{"class":5227},[5206,14432,5957],{"class":5248},[5206,14434,5960],{"class":5227},[5206,14436,14437,14440,14442,14444,14446,14448],{"class":5208,"line":6056},[5206,14438,14439],{"class":5216},"    inputBytes",[5206,14441,8230],{"class":5227},[5206,14443,6688],{"class":5216},[5206,14445,5286],{"class":5227},[5206,14447,6725],{"class":5216},[5206,14449,5228],{"class":5227},[5206,14451,14452],{"class":5208,"line":6062},[5206,14453,8343],{"class":5227},[5206,14455,14456],{"class":5208,"line":6092},[5206,14457,5307],{"class":5227},[5206,14459,14460,14463,14465,14467,14469,14471,14473,14475,14477,14479,14481,14483],{"class":5208,"line":6097},[5206,14461,14462],{"class":5216},"  gzipStream",[5206,14464,5286],{"class":5227},[5206,14466,6677],{"class":5255},[5206,14468,5292],{"class":5227},[5206,14470,6682],{"class":5223},[5206,14472,6685],{"class":5227},[5206,14474,6688],{"class":5216},[5206,14476,6691],{"class":5227},[5206,14478,6695],{"class":6694},[5206,14480,5954],{"class":5227},[5206,14482,5957],{"class":5248},[5206,14484,5960],{"class":5227},[5206,14486,14487,14490,14492,14494,14496,14498],{"class":5208,"line":6103},[5206,14488,14489],{"class":5216},"    outputBytes",[5206,14491,8230],{"class":5227},[5206,14493,6688],{"class":5216},[5206,14495,5286],{"class":5227},[5206,14497,6725],{"class":5216},[5206,14499,5228],{"class":5227},[5206,14501,14502],{"class":5208,"line":6122},[5206,14503,8343],{"class":5227},[5206,14505,14506],{"class":5208,"line":6148},[5206,14507,5307],{"class":5227},[5206,14509,14510,14512,14514,14516,14518,14520,14522,14524,14526],{"class":5208,"line":8451},[5206,14511,11519],{"class":5216},[5206,14513,5286],{"class":5227},[5206,14515,6677],{"class":5255},[5206,14517,5292],{"class":5227},[5206,14519,10428],{"class":5223},[5206,14521,6751],{"class":5227},[5206,14523,6754],{"class":6694},[5206,14525,6757],{"class":5248},[5206,14527,5960],{"class":5227},[5206,14529,14530,14532,14535,14538,14540,14542,14545,14547,14550,14553,14556,14558,14560,14562,14564],{"class":5208,"line":8482},[5206,14531,12074],{"class":5248},[5206,14533,14534],{"class":5274}," ratio",[5206,14536,14537],{"class":5227}," = ((",[5206,14539,9673],{"class":5754},[5206,14541,9723],{"class":5227},[5206,14543,14544],{"class":5216},"outputBytes",[5206,14546,11939],{"class":5227},[5206,14548,14549],{"class":5216},"inputBytes",[5206,14551,14552],{"class":5227},") * ",[5206,14554,14555],{"class":5754},"100",[5206,14557,7784],{"class":5227},[5206,14559,12121],{"class":5255},[5206,14561,5292],{"class":5227},[5206,14563,9697],{"class":5754},[5206,14565,5333],{"class":5227},[5206,14567,14568,14570,14572,14574,14576,14579],{"class":5208,"line":8507},[5206,14569,7642],{"class":5216},[5206,14571,5286],{"class":5227},[5206,14573,6711],{"class":5255},[5206,14575,5292],{"class":5227},[5206,14577,14578],{"class":5223},"`Стиснення завершено:`",[5206,14580,5333],{"class":5227},[5206,14582,14583,14585,14587,14589,14591,14594,14596,14598,14600,14602,14605,14607,14609,14611,14613,14615,14617,14619,14621,14623],{"class":5208,"line":8549},[5206,14584,7642],{"class":5216},[5206,14586,5286],{"class":5227},[5206,14588,6711],{"class":5255},[5206,14590,5292],{"class":5227},[5206,14592,14593],{"class":5223},"`  Вхід: ",[5206,14595,8398],{"class":5248},[5206,14597,5292],{"class":8404},[5206,14599,14549],{"class":5216},[5206,14601,8535],{"class":5227},[5206,14603,14604],{"class":5754}," 1024",[5206,14606,8535],{"class":5227},[5206,14608,14604],{"class":5754},[5206,14610,7784],{"class":8404},[5206,14612,12121],{"class":5255},[5206,14614,5292],{"class":8404},[5206,14616,9697],{"class":5754},[5206,14618,6569],{"class":8404},[5206,14620,8413],{"class":5248},[5206,14622,12256],{"class":5223},[5206,14624,5333],{"class":5227},[5206,14626,14627,14629,14631,14633,14635,14638,14640,14642,14644,14646,14648,14650,14652,14654,14656,14658,14660,14662,14664,14666],{"class":5208,"line":8554},[5206,14628,7642],{"class":5216},[5206,14630,5286],{"class":5227},[5206,14632,6711],{"class":5255},[5206,14634,5292],{"class":5227},[5206,14636,14637],{"class":5223},"`  Вихід: ",[5206,14639,8398],{"class":5248},[5206,14641,5292],{"class":8404},[5206,14643,14544],{"class":5216},[5206,14645,8535],{"class":5227},[5206,14647,14604],{"class":5754},[5206,14649,8535],{"class":5227},[5206,14651,14604],{"class":5754},[5206,14653,7784],{"class":8404},[5206,14655,12121],{"class":5255},[5206,14657,5292],{"class":8404},[5206,14659,9697],{"class":5754},[5206,14661,6569],{"class":8404},[5206,14663,8413],{"class":5248},[5206,14665,12256],{"class":5223},[5206,14667,5333],{"class":5227},[5206,14669,14670,14672,14674,14676,14678,14681,14683,14686,14688,14691],{"class":5208,"line":8559},[5206,14671,7642],{"class":5216},[5206,14673,5286],{"class":5227},[5206,14675,6711],{"class":5255},[5206,14677,5292],{"class":5227},[5206,14679,14680],{"class":5223},"`  Компресія: ",[5206,14682,8398],{"class":5248},[5206,14684,14685],{"class":5216},"ratio",[5206,14687,8413],{"class":5248},[5206,14689,14690],{"class":5223},"%`",[5206,14692,5333],{"class":5227},[5206,14694,14695],{"class":5208,"line":8586},[5206,14696,8343],{"class":5227},[5206,14698,14699],{"class":5208,"line":8611},[5206,14700,5307],{"class":5227},[5206,14702,14703],{"class":5208,"line":8616},[5206,14704,14705],{"class":5241},"  \u002F\u002F Обробка помилок на кожному етапі\n",[5206,14707,14708,14710,14712,14714,14716,14718,14720,14722,14724,14726,14728,14730],{"class":5208,"line":8621},[5206,14709,12755],{"class":5216},[5206,14711,5286],{"class":5227},[5206,14713,6677],{"class":5255},[5206,14715,5292],{"class":5227},[5206,14717,6795],{"class":5223},[5206,14719,6685],{"class":5227},[5206,14721,5119],{"class":5216},[5206,14723,6691],{"class":5227},[5206,14725,6804],{"class":6694},[5206,14727,5954],{"class":5227},[5206,14729,5957],{"class":5248},[5206,14731,5960],{"class":5227},[5206,14733,14734,14736,14738,14740,14742,14744,14746,14748,14750,14752],{"class":5208,"line":8626},[5206,14735,7642],{"class":5216},[5206,14737,5286],{"class":5227},[5206,14739,5119],{"class":5255},[5206,14741,5292],{"class":5227},[5206,14743,6823],{"class":5223},[5206,14745,5113],{"class":5227},[5206,14747,5119],{"class":5216},[5206,14749,5286],{"class":5227},[5206,14751,8606],{"class":5216},[5206,14753,5333],{"class":5227},[5206,14755,14756],{"class":5208,"line":8632},[5206,14757,8343],{"class":5227},[5206,14759,14760],{"class":5208,"line":9186},[5206,14761,5307],{"class":5227},[5206,14763,14764,14766,14768,14770,14772,14774,14776,14778,14780,14782,14784,14786],{"class":5208,"line":9756},[5206,14765,14462],{"class":5216},[5206,14767,5286],{"class":5227},[5206,14769,6677],{"class":5255},[5206,14771,5292],{"class":5227},[5206,14773,6795],{"class":5223},[5206,14775,6685],{"class":5227},[5206,14777,5119],{"class":5216},[5206,14779,6691],{"class":5227},[5206,14781,6804],{"class":6694},[5206,14783,5954],{"class":5227},[5206,14785,5957],{"class":5248},[5206,14787,5960],{"class":5227},[5206,14789,14790,14792,14794,14796,14798,14801,14803,14805,14807,14809],{"class":5208,"line":9762},[5206,14791,7642],{"class":5216},[5206,14793,5286],{"class":5227},[5206,14795,5119],{"class":5255},[5206,14797,5292],{"class":5227},[5206,14799,14800],{"class":5223},"'Помилка стиснення:'",[5206,14802,5113],{"class":5227},[5206,14804,5119],{"class":5216},[5206,14806,5286],{"class":5227},[5206,14808,8606],{"class":5216},[5206,14810,5333],{"class":5227},[5206,14812,14813],{"class":5208,"line":9779},[5206,14814,8343],{"class":5227},[5206,14816,14817],{"class":5208,"line":9816},[5206,14818,5307],{"class":5227},[5206,14820,14821,14823,14825,14827,14829,14831,14833,14835,14837,14839,14841,14843],{"class":5208,"line":9829},[5206,14822,11519],{"class":5216},[5206,14824,5286],{"class":5227},[5206,14826,6677],{"class":5255},[5206,14828,5292],{"class":5227},[5206,14830,6795],{"class":5223},[5206,14832,6685],{"class":5227},[5206,14834,5119],{"class":5216},[5206,14836,6691],{"class":5227},[5206,14838,6804],{"class":6694},[5206,14840,5954],{"class":5227},[5206,14842,5957],{"class":5248},[5206,14844,5960],{"class":5227},[5206,14846,14847,14849,14851,14853,14855,14857,14859,14861,14863,14865],{"class":5208,"line":9841},[5206,14848,7642],{"class":5216},[5206,14850,5286],{"class":5227},[5206,14852,5119],{"class":5255},[5206,14854,5292],{"class":5227},[5206,14856,10663],{"class":5223},[5206,14858,5113],{"class":5227},[5206,14860,5119],{"class":5216},[5206,14862,5286],{"class":5227},[5206,14864,8606],{"class":5216},[5206,14866,5333],{"class":5227},[5206,14868,14869],{"class":5208,"line":9852},[5206,14870,8343],{"class":5227},[5206,14872,14873],{"class":5208,"line":9857},[5206,14874,5375],{"class":5227},[5206,14876,14877],{"class":5208,"line":9862},[5206,14878,5235],{"emptyLinePlaceholder":5234},[5206,14880,14881,14884,14886,14889,14891,14894],{"class":5208,"line":9868},[5206,14882,14883],{"class":5255},"compressFile",[5206,14885,5292],{"class":5227},[5206,14887,14888],{"class":5223},"'document.txt'",[5206,14890,5113],{"class":5227},[5206,14892,14893],{"class":5223},"'document.txt.gz'",[5206,14895,5333],{"class":5227},[8644,14897,14899,14908,14912,14920,14928],{"title":14898},"node compress-file.js",[8648,14900,14902,7956,14905],{"className":14901},[5208],[5206,14903,8655],{"className":14904},[8654],[5138,14906,14898],{"className":14907},[8659],[8648,14909,14911],{"className":14910},[5208],"Стиснення завершено:",[8648,14913,14915,14916,12529],{"className":14914},[5208],"  Вхід: ",[5206,14917,14919],{"className":14918},[8671],"125.48",[8648,14921,14923,14924,12529],{"className":14922},[5208],"  Вихід: ",[5206,14925,14927],{"className":14926},[8671],"42.17",[8648,14929,14931,14932,14936],{"className":14930},[5208],"  Компресія: ",[5206,14933,14935],{"className":14934},[12503,8659],"66.40","%",[5176,14938,14940],{"id":14939},"розпаковка-архіву","Розпаковка архіву",[5197,14942,14944],{"className":5199,"code":14943,"language":5201,"meta":5202,"style":5202},"import fs from 'node:fs';\nimport type { ReadStream, WriteStream } from 'node:fs';\nimport zlib from 'node:zlib';\n\nfunction decompressFile(gzipFile, outputFile) {\n  fs.createReadStream(gzipFile)\n    .pipe(zlib.createGunzip())\n    .pipe(fs.createWriteStream(outputFile))\n    .on('finish', (): void => {\n      console.log(`Розпаковано: ${gzipFile} → ${outputFile}`);\n    });\n}\n\ndecompressFile('document.txt.gz', 'document-restored.txt');\n",[5110,14945,14946,14958,14980,14992,14996,15014,15029,15046,15066,15084,15115,15120,15124,15128],{"__ignoreMap":5202},[5206,14947,14948,14950,14952,14954,14956],{"class":5208,"line":5209},[5206,14949,5213],{"class":5212},[5206,14951,5217],{"class":5216},[5206,14953,5220],{"class":5212},[5206,14955,5785],{"class":5223},[5206,14957,5228],{"class":5227},[5206,14959,14960,14962,14964,14966,14968,14970,14972,14974,14976,14978],{"class":5208,"line":5231},[5206,14961,5213],{"class":5212},[5206,14963,5794],{"class":5212},[5206,14965,5797],{"class":5227},[5206,14967,5800],{"class":5216},[5206,14969,5113],{"class":5227},[5206,14971,5805],{"class":5216},[5206,14973,5808],{"class":5227},[5206,14975,5811],{"class":5212},[5206,14977,5785],{"class":5223},[5206,14979,5228],{"class":5227},[5206,14981,14982,14984,14986,14988,14990],{"class":5208,"line":5238},[5206,14983,5213],{"class":5212},[5206,14985,5836],{"class":5216},[5206,14987,5220],{"class":5212},[5206,14989,5841],{"class":5223},[5206,14991,5228],{"class":5227},[5206,14993,14994],{"class":5208,"line":5245},[5206,14995,5235],{"emptyLinePlaceholder":5234},[5206,14997,14998,15000,15003,15005,15008,15010,15012],{"class":5208,"line":5262},[5206,14999,7741],{"class":5248},[5206,15001,15002],{"class":5255}," decompressFile",[5206,15004,5292],{"class":5227},[5206,15006,15007],{"class":5216},"gzipFile",[5206,15009,5113],{"class":5227},[5206,15011,14257],{"class":5216},[5206,15013,6942],{"class":5227},[5206,15015,15016,15019,15021,15023,15025,15027],{"class":5208,"line":5268},[5206,15017,15018],{"class":5216},"  fs",[5206,15020,5286],{"class":5227},[5206,15022,5884],{"class":5255},[5206,15024,5292],{"class":5227},[5206,15026,15007],{"class":5216},[5206,15028,6229],{"class":5227},[5206,15030,15031,15033,15035,15037,15039,15041,15044],{"class":5208,"line":5304},[5206,15032,14348],{"class":5227},[5206,15034,5970],{"class":5255},[5206,15036,5292],{"class":5227},[5206,15038,6005],{"class":5216},[5206,15040,5286],{"class":5227},[5206,15042,15043],{"class":5255},"createGunzip",[5206,15045,6247],{"class":5227},[5206,15047,15048,15050,15052,15054,15056,15058,15060,15062,15064],{"class":5208,"line":5310},[5206,15049,14348],{"class":5227},[5206,15051,5970],{"class":5255},[5206,15053,5292],{"class":5227},[5206,15055,5879],{"class":5216},[5206,15057,5286],{"class":5227},[5206,15059,5911],{"class":5255},[5206,15061,5292],{"class":5227},[5206,15063,14257],{"class":5216},[5206,15065,6273],{"class":5227},[5206,15067,15068,15070,15072,15074,15076,15078,15080,15082],{"class":5208,"line":5316},[5206,15069,14348],{"class":5227},[5206,15071,6677],{"class":5255},[5206,15073,5292],{"class":5227},[5206,15075,10428],{"class":5223},[5206,15077,6751],{"class":5227},[5206,15079,6754],{"class":6694},[5206,15081,6757],{"class":5248},[5206,15083,5960],{"class":5227},[5206,15085,15086,15088,15090,15092,15094,15097,15099,15101,15103,15105,15107,15109,15111,15113],{"class":5208,"line":5336},[5206,15087,8960],{"class":5216},[5206,15089,5286],{"class":5227},[5206,15091,6711],{"class":5255},[5206,15093,5292],{"class":5227},[5206,15095,15096],{"class":5223},"`Розпаковано: ",[5206,15098,8398],{"class":5248},[5206,15100,15007],{"class":5216},[5206,15102,8413],{"class":5248},[5206,15104,13909],{"class":5223},[5206,15106,8398],{"class":5248},[5206,15108,14257],{"class":5216},[5206,15110,8413],{"class":5248},[5206,15112,8416],{"class":5223},[5206,15114,5333],{"class":5227},[5206,15116,15117],{"class":5208,"line":5341},[5206,15118,15119],{"class":5227},"    });\n",[5206,15121,15122],{"class":5208,"line":5347},[5206,15123,5375],{"class":5227},[5206,15125,15126],{"class":5208,"line":5372},[5206,15127,5235],{"emptyLinePlaceholder":5234},[5206,15129,15130,15133,15135,15137,15139,15142],{"class":5208,"line":5451},[5206,15131,15132],{"class":5255},"decompressFile",[5206,15134,5292],{"class":5227},[5206,15136,14893],{"class":5223},[5206,15138,5113],{"class":5227},[5206,15140,15141],{"class":5223},"'document-restored.txt'",[5206,15143,5333],{"class":5227},[5176,15145,15147],{"id":15146},"pipeline-api-сучасний-спосіб-зєднання-потоків","Pipeline API: сучасний спосіб з'єднання потоків",[5181,15149,15150,15151,15154,15155,15158],{},"Node.js 10+ надає функцію ",[5110,15152,15153],{},"pipeline()"," з модуля ",[5110,15156,15157],{},"stream\u002Fpromises",", яка покращує обробку помилок:",[5197,15160,15162],{"className":5199,"code":15161,"language":5201,"meta":5202,"style":5202},"import { pipeline } from 'node:stream\u002Fpromises';\nimport fs from 'node:fs';\nimport type { ReadStream, WriteStream } from 'node:fs';\nimport zlib from 'node:zlib';\n\nasync function compressFileModern(inputFile, outputFile) {\n  try {\n    await pipeline(\n      fs.createReadStream(inputFile),\n      zlib.createGzip({ level: 9 }),\n      fs.createWriteStream(outputFile)\n    );\n    \n    console.log(`✅ Стиснення успішне: ${inputFile} → ${outputFile}`);\n  } catch (error) {\n    console.error('❌ Помилка під час стиснення:', error.message);\n    \n    \u002F\u002F Автоматичне очищення: всі потоки закриваються при помилці\n    \u002F\u002F Видалення частково записаного файлу\n    try {\n      await fs.promises.unlink(outputFile);\n    } catch {\n      \u002F\u002F Файл не існує або вже видалений\n    }\n  }\n}\n\n\u002F\u002F Використання з async\u002Fawait\nawait compressFileModern('large-file.txt', 'large-file.txt.gz');\n",[5110,15163,15164,15182,15194,15216,15228,15232,15251,15258,15269,15284,15302,15316,15321,15325,15356,15370,15393,15397,15402,15407,15414,15437,15446,15451,15455,15459,15463,15467,15472],{"__ignoreMap":5202},[5206,15165,15166,15168,15170,15173,15175,15177,15180],{"class":5208,"line":5209},[5206,15167,5213],{"class":5212},[5206,15169,5797],{"class":5227},[5206,15171,15172],{"class":5216},"pipeline",[5206,15174,5808],{"class":5227},[5206,15176,5811],{"class":5212},[5206,15178,15179],{"class":5223}," 'node:stream\u002Fpromises'",[5206,15181,5228],{"class":5227},[5206,15183,15184,15186,15188,15190,15192],{"class":5208,"line":5231},[5206,15185,5213],{"class":5212},[5206,15187,5217],{"class":5216},[5206,15189,5220],{"class":5212},[5206,15191,5785],{"class":5223},[5206,15193,5228],{"class":5227},[5206,15195,15196,15198,15200,15202,15204,15206,15208,15210,15212,15214],{"class":5208,"line":5238},[5206,15197,5213],{"class":5212},[5206,15199,5794],{"class":5212},[5206,15201,5797],{"class":5227},[5206,15203,5800],{"class":5216},[5206,15205,5113],{"class":5227},[5206,15207,5805],{"class":5216},[5206,15209,5808],{"class":5227},[5206,15211,5811],{"class":5212},[5206,15213,5785],{"class":5223},[5206,15215,5228],{"class":5227},[5206,15217,15218,15220,15222,15224,15226],{"class":5208,"line":5245},[5206,15219,5213],{"class":5212},[5206,15221,5836],{"class":5216},[5206,15223,5220],{"class":5212},[5206,15225,5841],{"class":5223},[5206,15227,5228],{"class":5227},[5206,15229,15230],{"class":5208,"line":5262},[5206,15231,5235],{"emptyLinePlaceholder":5234},[5206,15233,15234,15236,15238,15241,15243,15245,15247,15249],{"class":5208,"line":5268},[5206,15235,5249],{"class":5248},[5206,15237,5252],{"class":5248},[5206,15239,15240],{"class":5255}," compressFileModern",[5206,15242,5292],{"class":5227},[5206,15244,12623],{"class":5216},[5206,15246,5113],{"class":5227},[5206,15248,14257],{"class":5216},[5206,15250,6942],{"class":5227},[5206,15252,15253,15256],{"class":5208,"line":5304},[5206,15254,15255],{"class":5212},"  try",[5206,15257,5960],{"class":5227},[5206,15259,15260,15263,15266],{"class":5208,"line":5310},[5206,15261,15262],{"class":5212},"    await",[5206,15264,15265],{"class":5255}," pipeline",[5206,15267,15268],{"class":5227},"(\n",[5206,15270,15271,15274,15276,15278,15280,15282],{"class":5208,"line":5316},[5206,15272,15273],{"class":5216},"      fs",[5206,15275,5286],{"class":5227},[5206,15277,5884],{"class":5255},[5206,15279,5292],{"class":5227},[5206,15281,12623],{"class":5216},[5206,15283,10033],{"class":5227},[5206,15285,15286,15289,15291,15293,15295,15297,15299],{"class":5208,"line":5336},[5206,15287,15288],{"class":5216},"      zlib",[5206,15290,5286],{"class":5227},[5206,15292,6010],{"class":5255},[5206,15294,14297],{"class":5227},[5206,15296,14300],{"class":5216},[5206,15298,14303],{"class":5754},[5206,15300,15301],{"class":5227}," }),\n",[5206,15303,15304,15306,15308,15310,15312,15314],{"class":5208,"line":5341},[5206,15305,15273],{"class":5216},[5206,15307,5286],{"class":5227},[5206,15309,5911],{"class":5255},[5206,15311,5292],{"class":5227},[5206,15313,14257],{"class":5216},[5206,15315,6229],{"class":5227},[5206,15317,15318],{"class":5208,"line":5347},[5206,15319,15320],{"class":5227},"    );\n",[5206,15322,15323],{"class":5208,"line":5372},[5206,15324,5409],{"class":5227},[5206,15326,15327,15329,15331,15333,15335,15338,15340,15342,15344,15346,15348,15350,15352,15354],{"class":5208,"line":5451},[5206,15328,7642],{"class":5216},[5206,15330,5286],{"class":5227},[5206,15332,6711],{"class":5255},[5206,15334,5292],{"class":5227},[5206,15336,15337],{"class":5223},"`✅ Стиснення успішне: ",[5206,15339,8398],{"class":5248},[5206,15341,12623],{"class":5216},[5206,15343,8413],{"class":5248},[5206,15345,13909],{"class":5223},[5206,15347,8398],{"class":5248},[5206,15349,14257],{"class":5216},[5206,15351,8413],{"class":5248},[5206,15353,8416],{"class":5223},[5206,15355,5333],{"class":5227},[5206,15357,15358,15361,15364,15366,15368],{"class":5208,"line":5584},[5206,15359,15360],{"class":5227},"  } ",[5206,15362,15363],{"class":5212},"catch",[5206,15365,5504],{"class":5227},[5206,15367,5119],{"class":5216},[5206,15369,6942],{"class":5227},[5206,15371,15372,15374,15376,15378,15380,15383,15385,15387,15389,15391],{"class":5208,"line":5590},[5206,15373,7642],{"class":5216},[5206,15375,5286],{"class":5227},[5206,15377,5119],{"class":5255},[5206,15379,5292],{"class":5227},[5206,15381,15382],{"class":5223},"'❌ Помилка під час стиснення:'",[5206,15384,5113],{"class":5227},[5206,15386,5119],{"class":5216},[5206,15388,5286],{"class":5227},[5206,15390,8606],{"class":5216},[5206,15392,5333],{"class":5227},[5206,15394,15395],{"class":5208,"line":5596},[5206,15396,5409],{"class":5227},[5206,15398,15399],{"class":5208,"line":6019},[5206,15400,15401],{"class":5241},"    \u002F\u002F Автоматичне очищення: всі потоки закриваються при помилці\n",[5206,15403,15404],{"class":5208,"line":6051},[5206,15405,15406],{"class":5241},"    \u002F\u002F Видалення частково записаного файлу\n",[5206,15408,15409,15412],{"class":5208,"line":6056},[5206,15410,15411],{"class":5212},"    try",[5206,15413,5960],{"class":5227},[5206,15415,15416,15419,15421,15423,15426,15428,15431,15433,15435],{"class":5208,"line":6062},[5206,15417,15418],{"class":5212},"      await",[5206,15420,5217],{"class":5216},[5206,15422,5286],{"class":5227},[5206,15424,15425],{"class":5216},"promises",[5206,15427,5286],{"class":5227},[5206,15429,15430],{"class":5255},"unlink",[5206,15432,5292],{"class":5227},[5206,15434,14257],{"class":5216},[5206,15436,5333],{"class":5227},[5206,15438,15439,15442,15444],{"class":5208,"line":6092},[5206,15440,15441],{"class":5227},"    } ",[5206,15443,15363],{"class":5212},[5206,15445,5960],{"class":5227},[5206,15447,15448],{"class":5208,"line":6097},[5206,15449,15450],{"class":5241},"      \u002F\u002F Файл не існує або вже видалений\n",[5206,15452,15453],{"class":5208,"line":6103},[5206,15454,9179],{"class":5227},[5206,15456,15457],{"class":5208,"line":6122},[5206,15458,7686],{"class":5227},[5206,15460,15461],{"class":5208,"line":6148},[5206,15462,5375],{"class":5227},[5206,15464,15465],{"class":5208,"line":8451},[5206,15466,5235],{"emptyLinePlaceholder":5234},[5206,15468,15469],{"class":5208,"line":8482},[5206,15470,15471],{"class":5241},"\u002F\u002F Використання з async\u002Fawait\n",[5206,15473,15474,15476,15478,15480,15482,15484,15487],{"class":5208,"line":8507},[5206,15475,5281],{"class":5212},[5206,15477,15240],{"class":5255},[5206,15479,5292],{"class":5227},[5206,15481,6913],{"class":5223},[5206,15483,5113],{"class":5227},[5206,15485,15486],{"class":5223},"'large-file.txt.gz'",[5206,15488,5333],{"class":5227},[6522,15490,15491,15496,15565],{},[5181,15492,15493],{},[5138,15494,15495],{},"Критична різниця між pipe() та pipeline():",[5606,15497,15498,15508],{},[5609,15499,15500],{},[5612,15501,15502,15504,15506],{},[5615,15503,5617],{},[5615,15505,13360],{},[5615,15507,15153],{},[5625,15509,15510,15521,15532,15543,15554],{},[5612,15511,15512,15515,15518],{},[5630,15513,15514],{},"Обробка помилок",[5630,15516,15517],{},"Потрібно вручну для кожного потоку",[5630,15519,15520],{},"Автоматична для всіх потоків",[5612,15522,15523,15526,15529],{},[5630,15524,15525],{},"Закриття потоків",[5630,15527,15528],{},"Вручну при помилці",[5630,15530,15531],{},"Автоматичне при помилці",[5612,15533,15534,15537,15540],{},[5630,15535,15536],{},"Промісифікація",[5630,15538,15539],{},"Ні (події)",[5630,15541,15542],{},"Так (async\u002Fawait)",[5612,15544,15545,15548,15551],{},[5630,15546,15547],{},"Очищення ресурсів",[5630,15549,15550],{},"Ручне",[5630,15552,15553],{},"Автоматичне",[5612,15555,15556,15559,15562],{},[5630,15557,15558],{},"Node.js версія",[5630,15560,15561],{},"Всі версії",[5630,15563,15564],{},"10+ (legacy callback), 15+ (promises)",[5181,15566,15567,15570,15571,15573,15574,15576],{},[5138,15568,15569],{},"Рекомендація:"," використовуйте ",[5110,15572,15153],{}," з ",[5110,15575,15157],{}," для нового коду, оскільки він автоматично обробляє помилки та очищує ресурси.",[5176,15578,15580],{"id":15579},"складний-конвеєр-шифрування-та-стиснення","Складний конвеєр: шифрування та стиснення",[5197,15582,15584],{"className":5199,"code":15583,"language":5201,"meta":5202,"style":5202},"import { pipeline } from 'node:stream\u002Fpromises';\nimport fs from 'node:fs';\nimport type { ReadStream, WriteStream } from 'node:fs';\nimport crypto from 'node:crypto';\nimport zlib from 'node:zlib';\n\nasync function encryptAndCompress(inputFile, outputFile, password) {\n  \u002F\u002F Генерація ключа шифрування з пароля\n  const key = crypto.scryptSync(password, 'salt', 32);\n  const iv = crypto.randomBytes(16);\n  \n  \u002F\u002F Збереження IV на початку файлу (потрібен для розшифрування)\n  const outputStream = fs.createWriteStream(outputFile);\n  outputStream.write(iv);\n  \n  try {\n    await pipeline(\n      fs.createReadStream(inputFile),\n      zlib.createGzip({ level: 6 }),                    \u002F\u002F 1. Стиснення\n      crypto.createCipheriv('aes-256-cbc', key, iv),    \u002F\u002F 2. Шифрування\n      outputStream                                       \u002F\u002F 3. Запис\n    );\n    \n    console.log('✅ Файл зашифровано та стиснено');\n  } catch (error) {\n    console.error('❌ Помилка:', error.message);\n    \n    \u002F\u002F Видалення некоректного файлу\n    try {\n      await fs.promises.unlink(outputFile);\n    } catch {}\n  }\n}\n\nasync function decryptAndDecompress(inputFile, outputFile, password) {\n  const key = crypto.scryptSync(password, 'salt', 32);\n  \n  \u002F\u002F Читання IV з початку файлу\n  const fileHandle = await fs.promises.open(inputFile, 'r');\n  const iv = Buffer.alloc(16);\n  await fileHandle.read(iv, 0, 16, 0);\n  \n  \u002F\u002F Створення потоку, який пропускає перші 16 байтів\n  const readStream = fs.createReadStream(inputFile, { start: 16 });\n  \n  try {\n    await pipeline(\n      readStream,\n      crypto.createDecipheriv('aes-256-cbc', key, iv),  \u002F\u002F 1. Розшифрування\n      zlib.createGunzip(),                               \u002F\u002F 2. Розпаковка\n      fs.createWriteStream(outputFile)                   \u002F\u002F 3. Запис\n    );\n    \n    console.log('✅ Файл розшифровано та розпаковано');\n  } catch (error) {\n    console.error('❌ Помилка:', error.message);\n  } finally {\n    await fileHandle.close();\n  }\n}\n\n\u002F\u002F Використання\nawait encryptAndCompress('secret-document.pdf', 'encrypted.bin', 'my-password-123');\nawait decryptAndDecompress('encrypted.bin', 'decrypted-document.pdf', 'my-password-123');\n",[5110,15585,15586,15602,15614,15636,15648,15660,15664,15688,15693,15725,15748,15752,15757,15778,15794,15798,15804,15812,15826,15847,15875,15883,15887,15891,15906,15918,15941,15945,15950,15956,15976,15985,15989,15993,15997,16020,16048,16052,16057,16090,16111,16139,16143,16148,16175,16179,16185,16193,16200,16227,16241,16259,16263,16267,16282,16294,16316,16325,16338,16342,16346,16350,16354,16377],{"__ignoreMap":5202},[5206,15587,15588,15590,15592,15594,15596,15598,15600],{"class":5208,"line":5209},[5206,15589,5213],{"class":5212},[5206,15591,5797],{"class":5227},[5206,15593,15172],{"class":5216},[5206,15595,5808],{"class":5227},[5206,15597,5811],{"class":5212},[5206,15599,15179],{"class":5223},[5206,15601,5228],{"class":5227},[5206,15603,15604,15606,15608,15610,15612],{"class":5208,"line":5231},[5206,15605,5213],{"class":5212},[5206,15607,5217],{"class":5216},[5206,15609,5220],{"class":5212},[5206,15611,5785],{"class":5223},[5206,15613,5228],{"class":5227},[5206,15615,15616,15618,15620,15622,15624,15626,15628,15630,15632,15634],{"class":5208,"line":5238},[5206,15617,5213],{"class":5212},[5206,15619,5794],{"class":5212},[5206,15621,5797],{"class":5227},[5206,15623,5800],{"class":5216},[5206,15625,5113],{"class":5227},[5206,15627,5805],{"class":5216},[5206,15629,5808],{"class":5227},[5206,15631,5811],{"class":5212},[5206,15633,5785],{"class":5223},[5206,15635,5228],{"class":5227},[5206,15637,15638,15640,15642,15644,15646],{"class":5208,"line":5245},[5206,15639,5213],{"class":5212},[5206,15641,5850],{"class":5216},[5206,15643,5220],{"class":5212},[5206,15645,5855],{"class":5223},[5206,15647,5228],{"class":5227},[5206,15649,15650,15652,15654,15656,15658],{"class":5208,"line":5262},[5206,15651,5213],{"class":5212},[5206,15653,5836],{"class":5216},[5206,15655,5220],{"class":5212},[5206,15657,5841],{"class":5223},[5206,15659,5228],{"class":5227},[5206,15661,15662],{"class":5208,"line":5268},[5206,15663,5235],{"emptyLinePlaceholder":5234},[5206,15665,15666,15668,15670,15673,15675,15677,15679,15681,15683,15686],{"class":5208,"line":5304},[5206,15667,5249],{"class":5248},[5206,15669,5252],{"class":5248},[5206,15671,15672],{"class":5255}," encryptAndCompress",[5206,15674,5292],{"class":5227},[5206,15676,12623],{"class":5216},[5206,15678,5113],{"class":5227},[5206,15680,14257],{"class":5216},[5206,15682,5113],{"class":5227},[5206,15684,15685],{"class":5216},"password",[5206,15687,6942],{"class":5227},[5206,15689,15690],{"class":5208,"line":5310},[5206,15691,15692],{"class":5241},"  \u002F\u002F Генерація ключа шифрування з пароля\n",[5206,15694,15695,15697,15700,15702,15704,15706,15709,15711,15713,15715,15718,15720,15723],{"class":5208,"line":5316},[5206,15696,5271],{"class":5248},[5206,15698,15699],{"class":5274}," key",[5206,15701,5278],{"class":5227},[5206,15703,6029],{"class":5216},[5206,15705,5286],{"class":5227},[5206,15707,15708],{"class":5255},"scryptSync",[5206,15710,5292],{"class":5227},[5206,15712,15685],{"class":5216},[5206,15714,5113],{"class":5227},[5206,15716,15717],{"class":5223},"'salt'",[5206,15719,5113],{"class":5227},[5206,15721,15722],{"class":5754},"32",[5206,15724,5333],{"class":5227},[5206,15726,15727,15729,15732,15734,15736,15738,15741,15743,15746],{"class":5208,"line":5336},[5206,15728,5271],{"class":5248},[5206,15730,15731],{"class":5274}," iv",[5206,15733,5278],{"class":5227},[5206,15735,6029],{"class":5216},[5206,15737,5286],{"class":5227},[5206,15739,15740],{"class":5255},"randomBytes",[5206,15742,5292],{"class":5227},[5206,15744,15745],{"class":5754},"16",[5206,15747,5333],{"class":5227},[5206,15749,15750],{"class":5208,"line":5341},[5206,15751,5307],{"class":5227},[5206,15753,15754],{"class":5208,"line":5347},[5206,15755,15756],{"class":5241},"  \u002F\u002F Збереження IV на початку файлу (потрібен для розшифрування)\n",[5206,15758,15759,15761,15764,15766,15768,15770,15772,15774,15776],{"class":5208,"line":5372},[5206,15760,5271],{"class":5248},[5206,15762,15763],{"class":5274}," outputStream",[5206,15765,5278],{"class":5227},[5206,15767,5879],{"class":5216},[5206,15769,5286],{"class":5227},[5206,15771,5911],{"class":5255},[5206,15773,5292],{"class":5227},[5206,15775,14257],{"class":5216},[5206,15777,5333],{"class":5227},[5206,15779,15780,15783,15785,15787,15789,15792],{"class":5208,"line":5451},[5206,15781,15782],{"class":5216},"  outputStream",[5206,15784,5286],{"class":5227},[5206,15786,10520],{"class":5255},[5206,15788,5292],{"class":5227},[5206,15790,15791],{"class":5216},"iv",[5206,15793,5333],{"class":5227},[5206,15795,15796],{"class":5208,"line":5584},[5206,15797,5307],{"class":5227},[5206,15799,15800,15802],{"class":5208,"line":5590},[5206,15801,15255],{"class":5212},[5206,15803,5960],{"class":5227},[5206,15805,15806,15808,15810],{"class":5208,"line":5596},[5206,15807,15262],{"class":5212},[5206,15809,15265],{"class":5255},[5206,15811,15268],{"class":5227},[5206,15813,15814,15816,15818,15820,15822,15824],{"class":5208,"line":6019},[5206,15815,15273],{"class":5216},[5206,15817,5286],{"class":5227},[5206,15819,5884],{"class":5255},[5206,15821,5292],{"class":5227},[5206,15823,12623],{"class":5216},[5206,15825,10033],{"class":5227},[5206,15827,15828,15830,15832,15834,15836,15838,15841,15844],{"class":5208,"line":6051},[5206,15829,15288],{"class":5216},[5206,15831,5286],{"class":5227},[5206,15833,6010],{"class":5255},[5206,15835,14297],{"class":5227},[5206,15837,14300],{"class":5216},[5206,15839,15840],{"class":5754}," 6",[5206,15842,15843],{"class":5227}," }),                    ",[5206,15845,15846],{"class":5241},"\u002F\u002F 1. Стиснення\n",[5206,15848,15849,15852,15854,15857,15859,15861,15863,15865,15867,15869,15872],{"class":5208,"line":6056},[5206,15850,15851],{"class":5216},"      crypto",[5206,15853,5286],{"class":5227},[5206,15855,15856],{"class":5255},"createCipheriv",[5206,15858,5292],{"class":5227},[5206,15860,6039],{"class":5223},[5206,15862,5113],{"class":5227},[5206,15864,6270],{"class":5216},[5206,15866,5113],{"class":5227},[5206,15868,15791],{"class":5216},[5206,15870,15871],{"class":5227},"),    ",[5206,15873,15874],{"class":5241},"\u002F\u002F 2. Шифрування\n",[5206,15876,15877,15880],{"class":5208,"line":6062},[5206,15878,15879],{"class":5216},"      outputStream",[5206,15881,15882],{"class":5241},"                                       \u002F\u002F 3. Запис\n",[5206,15884,15885],{"class":5208,"line":6092},[5206,15886,15320],{"class":5227},[5206,15888,15889],{"class":5208,"line":6097},[5206,15890,5409],{"class":5227},[5206,15892,15893,15895,15897,15899,15901,15904],{"class":5208,"line":6103},[5206,15894,7642],{"class":5216},[5206,15896,5286],{"class":5227},[5206,15898,6711],{"class":5255},[5206,15900,5292],{"class":5227},[5206,15902,15903],{"class":5223},"'✅ Файл зашифровано та стиснено'",[5206,15905,5333],{"class":5227},[5206,15907,15908,15910,15912,15914,15916],{"class":5208,"line":6122},[5206,15909,15360],{"class":5227},[5206,15911,15363],{"class":5212},[5206,15913,5504],{"class":5227},[5206,15915,5119],{"class":5216},[5206,15917,6942],{"class":5227},[5206,15919,15920,15922,15924,15926,15928,15931,15933,15935,15937,15939],{"class":5208,"line":6148},[5206,15921,7642],{"class":5216},[5206,15923,5286],{"class":5227},[5206,15925,5119],{"class":5255},[5206,15927,5292],{"class":5227},[5206,15929,15930],{"class":5223},"'❌ Помилка:'",[5206,15932,5113],{"class":5227},[5206,15934,5119],{"class":5216},[5206,15936,5286],{"class":5227},[5206,15938,8606],{"class":5216},[5206,15940,5333],{"class":5227},[5206,15942,15943],{"class":5208,"line":8451},[5206,15944,5409],{"class":5227},[5206,15946,15947],{"class":5208,"line":8482},[5206,15948,15949],{"class":5241},"    \u002F\u002F Видалення некоректного файлу\n",[5206,15951,15952,15954],{"class":5208,"line":8507},[5206,15953,15411],{"class":5212},[5206,15955,5960],{"class":5227},[5206,15957,15958,15960,15962,15964,15966,15968,15970,15972,15974],{"class":5208,"line":8549},[5206,15959,15418],{"class":5212},[5206,15961,5217],{"class":5216},[5206,15963,5286],{"class":5227},[5206,15965,15425],{"class":5216},[5206,15967,5286],{"class":5227},[5206,15969,15430],{"class":5255},[5206,15971,5292],{"class":5227},[5206,15973,14257],{"class":5216},[5206,15975,5333],{"class":5227},[5206,15977,15978,15980,15982],{"class":5208,"line":8554},[5206,15979,15441],{"class":5227},[5206,15981,15363],{"class":5212},[5206,15983,15984],{"class":5227}," {}\n",[5206,15986,15987],{"class":5208,"line":8559},[5206,15988,7686],{"class":5227},[5206,15990,15991],{"class":5208,"line":8586},[5206,15992,5375],{"class":5227},[5206,15994,15995],{"class":5208,"line":8611},[5206,15996,5235],{"emptyLinePlaceholder":5234},[5206,15998,15999,16001,16003,16006,16008,16010,16012,16014,16016,16018],{"class":5208,"line":8616},[5206,16000,5249],{"class":5248},[5206,16002,5252],{"class":5248},[5206,16004,16005],{"class":5255}," decryptAndDecompress",[5206,16007,5292],{"class":5227},[5206,16009,12623],{"class":5216},[5206,16011,5113],{"class":5227},[5206,16013,14257],{"class":5216},[5206,16015,5113],{"class":5227},[5206,16017,15685],{"class":5216},[5206,16019,6942],{"class":5227},[5206,16021,16022,16024,16026,16028,16030,16032,16034,16036,16038,16040,16042,16044,16046],{"class":5208,"line":8621},[5206,16023,5271],{"class":5248},[5206,16025,15699],{"class":5274},[5206,16027,5278],{"class":5227},[5206,16029,6029],{"class":5216},[5206,16031,5286],{"class":5227},[5206,16033,15708],{"class":5255},[5206,16035,5292],{"class":5227},[5206,16037,15685],{"class":5216},[5206,16039,5113],{"class":5227},[5206,16041,15717],{"class":5223},[5206,16043,5113],{"class":5227},[5206,16045,15722],{"class":5754},[5206,16047,5333],{"class":5227},[5206,16049,16050],{"class":5208,"line":8626},[5206,16051,5307],{"class":5227},[5206,16053,16054],{"class":5208,"line":8632},[5206,16055,16056],{"class":5241},"  \u002F\u002F Читання IV з початку файлу\n",[5206,16058,16059,16061,16064,16066,16068,16070,16072,16074,16076,16079,16081,16083,16085,16088],{"class":5208,"line":9186},[5206,16060,5271],{"class":5248},[5206,16062,16063],{"class":5274}," fileHandle",[5206,16065,5278],{"class":5227},[5206,16067,5281],{"class":5212},[5206,16069,5217],{"class":5216},[5206,16071,5286],{"class":5227},[5206,16073,15425],{"class":5216},[5206,16075,5286],{"class":5227},[5206,16077,16078],{"class":5255},"open",[5206,16080,5292],{"class":5227},[5206,16082,12623],{"class":5216},[5206,16084,5113],{"class":5227},[5206,16086,16087],{"class":5223},"'r'",[5206,16089,5333],{"class":5227},[5206,16091,16092,16094,16096,16098,16100,16102,16105,16107,16109],{"class":5208,"line":9756},[5206,16093,5271],{"class":5248},[5206,16095,15731],{"class":5274},[5206,16097,5278],{"class":5227},[5206,16099,6695],{"class":5216},[5206,16101,5286],{"class":5227},[5206,16103,16104],{"class":5255},"alloc",[5206,16106,5292],{"class":5227},[5206,16108,15745],{"class":5754},[5206,16110,5333],{"class":5227},[5206,16112,16113,16115,16117,16119,16121,16123,16125,16127,16129,16131,16133,16135,16137],{"class":5208,"line":9762},[5206,16114,5350],{"class":5212},[5206,16116,16063],{"class":5216},[5206,16118,5286],{"class":5227},[5206,16120,7630],{"class":5255},[5206,16122,5292],{"class":5227},[5206,16124,15791],{"class":5216},[5206,16126,5113],{"class":5227},[5206,16128,7792],{"class":5754},[5206,16130,5113],{"class":5227},[5206,16132,15745],{"class":5754},[5206,16134,5113],{"class":5227},[5206,16136,7792],{"class":5754},[5206,16138,5333],{"class":5227},[5206,16140,16141],{"class":5208,"line":9779},[5206,16142,5307],{"class":5227},[5206,16144,16145],{"class":5208,"line":9816},[5206,16146,16147],{"class":5241},"  \u002F\u002F Створення потоку, який пропускає перші 16 байтів\n",[5206,16149,16150,16152,16154,16156,16158,16160,16162,16164,16166,16168,16171,16173],{"class":5208,"line":9829},[5206,16151,5271],{"class":5248},[5206,16153,5874],{"class":5274},[5206,16155,5278],{"class":5227},[5206,16157,5879],{"class":5216},[5206,16159,5286],{"class":5227},[5206,16161,5884],{"class":5255},[5206,16163,5292],{"class":5227},[5206,16165,12623],{"class":5216},[5206,16167,7322],{"class":5227},[5206,16169,16170],{"class":5216},"start:",[5206,16172,10228],{"class":5754},[5206,16174,7330],{"class":5227},[5206,16176,16177],{"class":5208,"line":9841},[5206,16178,5307],{"class":5227},[5206,16180,16181,16183],{"class":5208,"line":9852},[5206,16182,15255],{"class":5212},[5206,16184,5960],{"class":5227},[5206,16186,16187,16189,16191],{"class":5208,"line":9857},[5206,16188,15262],{"class":5212},[5206,16190,15265],{"class":5255},[5206,16192,15268],{"class":5227},[5206,16194,16195,16198],{"class":5208,"line":9862},[5206,16196,16197],{"class":5216},"      readStream",[5206,16199,9316],{"class":5227},[5206,16201,16202,16204,16206,16209,16211,16213,16215,16217,16219,16221,16224],{"class":5208,"line":9868},[5206,16203,15851],{"class":5216},[5206,16205,5286],{"class":5227},[5206,16207,16208],{"class":5255},"createDecipheriv",[5206,16210,5292],{"class":5227},[5206,16212,6039],{"class":5223},[5206,16214,5113],{"class":5227},[5206,16216,6270],{"class":5216},[5206,16218,5113],{"class":5227},[5206,16220,15791],{"class":5216},[5206,16222,16223],{"class":5227},"),  ",[5206,16225,16226],{"class":5241},"\u002F\u002F 1. Розшифрування\n",[5206,16228,16229,16231,16233,16235,16238],{"class":5208,"line":9897},[5206,16230,15288],{"class":5216},[5206,16232,5286],{"class":5227},[5206,16234,15043],{"class":5255},[5206,16236,16237],{"class":5227},"(),                               ",[5206,16239,16240],{"class":5241},"\u002F\u002F 2. Розпаковка\n",[5206,16242,16243,16245,16247,16249,16251,16253,16256],{"class":5208,"line":9912},[5206,16244,15273],{"class":5216},[5206,16246,5286],{"class":5227},[5206,16248,5911],{"class":5255},[5206,16250,5292],{"class":5227},[5206,16252,14257],{"class":5216},[5206,16254,16255],{"class":5227},")                   ",[5206,16257,16258],{"class":5241},"\u002F\u002F 3. Запис\n",[5206,16260,16261],{"class":5208,"line":12071},[5206,16262,15320],{"class":5227},[5206,16264,16265],{"class":5208,"line":12098},[5206,16266,5409],{"class":5227},[5206,16268,16269,16271,16273,16275,16277,16280],{"class":5208,"line":12130},[5206,16270,7642],{"class":5216},[5206,16272,5286],{"class":5227},[5206,16274,6711],{"class":5255},[5206,16276,5292],{"class":5227},[5206,16278,16279],{"class":5223},"'✅ Файл розшифровано та розпаковано'",[5206,16281,5333],{"class":5227},[5206,16283,16284,16286,16288,16290,16292],{"class":5208,"line":12156},[5206,16285,15360],{"class":5227},[5206,16287,15363],{"class":5212},[5206,16289,5504],{"class":5227},[5206,16291,5119],{"class":5216},[5206,16293,6942],{"class":5227},[5206,16295,16296,16298,16300,16302,16304,16306,16308,16310,16312,16314],{"class":5208,"line":12161},[5206,16297,7642],{"class":5216},[5206,16299,5286],{"class":5227},[5206,16301,5119],{"class":5255},[5206,16303,5292],{"class":5227},[5206,16305,15930],{"class":5223},[5206,16307,5113],{"class":5227},[5206,16309,5119],{"class":5216},[5206,16311,5286],{"class":5227},[5206,16313,8606],{"class":5216},[5206,16315,5333],{"class":5227},[5206,16317,16318,16320,16323],{"class":5208,"line":12181},[5206,16319,15360],{"class":5227},[5206,16321,16322],{"class":5212},"finally",[5206,16324,5960],{"class":5227},[5206,16326,16327,16329,16331,16333,16336],{"class":5208,"line":12205},[5206,16328,15262],{"class":5212},[5206,16330,16063],{"class":5216},[5206,16332,5286],{"class":5227},[5206,16334,16335],{"class":5255},"close",[5206,16337,8939],{"class":5227},[5206,16339,16340],{"class":5208,"line":12235},[5206,16341,7686],{"class":5227},[5206,16343,16344],{"class":5208,"line":12261},[5206,16345,5375],{"class":5227},[5206,16347,16348],{"class":5208,"line":12296},[5206,16349,5235],{"emptyLinePlaceholder":5234},[5206,16351,16352],{"class":5208,"line":12327},[5206,16353,8629],{"class":5241},[5206,16355,16356,16358,16360,16362,16365,16367,16370,16372,16375],{"class":5208,"line":12332},[5206,16357,5281],{"class":5212},[5206,16359,15672],{"class":5255},[5206,16361,5292],{"class":5227},[5206,16363,16364],{"class":5223},"'secret-document.pdf'",[5206,16366,5113],{"class":5227},[5206,16368,16369],{"class":5223},"'encrypted.bin'",[5206,16371,5113],{"class":5227},[5206,16373,16374],{"class":5223},"'my-password-123'",[5206,16376,5333],{"class":5227},[5206,16378,16379,16381,16383,16385,16387,16389,16392,16394,16396],{"class":5208,"line":12337},[5206,16380,5281],{"class":5212},[5206,16382,16005],{"class":5255},[5206,16384,5292],{"class":5227},[5206,16386,16369],{"class":5223},[5206,16388,5113],{"class":5227},[5206,16390,16391],{"class":5223},"'decrypted-document.pdf'",[5206,16393,5113],{"class":5227},[5206,16395,16374],{"class":5223},[5206,16397,5333],{"class":5227},[5377,16399,16400],{},[5197,16401,16403],{"className":5381,"code":16402,"language":5377,"meta":5202,"style":5202},"graph 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D\n",[5206,16454,16455],{"class":5208,"line":5341},[5206,16456,5409],{},[5206,16458,16459],{"class":5208,"line":5347},[5206,16460,5581],{},[5206,16462,16463],{"class":5208,"line":5372},[5206,16464,6408],{},[5206,16466,16467],{"class":5208,"line":5451},[5206,16468,6413],{},[5206,16470,16471],{"class":5208,"line":5584},[5206,16472,16473],{},"    style F fill:#e0e7ff,stroke:#4338ca,color:#1e293b\n",[5694,16475,16476,16481,16492,16506],{},[5181,16477,16478],{},[5138,16479,16480],{},"Порядок операцій має значення:",[5181,16482,16483,16484,16487,16488,16491],{},"У прикладі вище спочатку виконується ",[5138,16485,16486],{},"стиснення",", а потім ",[5138,16489,16490],{},"шифрування",". Це оптимальний порядок, оскільки:",[5461,16493,16494,16500],{},[5095,16495,16496,16499],{},[5138,16497,16498],{},"Стиснення перед шифруванням:"," зменшує розмір даних, що потрібно шифрувати, прискорюючи процес.",[5095,16501,16502,16505],{},[5138,16503,16504],{},"Шифрування після стиснення:"," зашифровані дані мають високу ентропію і майже не піддаються стисненню.",[5181,16507,16508,16509,16512],{},"Якщо змінити порядок (шифрування → стиснення), файл ",[5138,16510,16511],{},"не стиснеться"," і навіть може збільшитися через додавання заголовків gzip.",[5176,16514,16516],{"id":16515},"http-сервер-з-потоковим-передаванням-файлів","HTTP-сервер з потоковим передаванням файлів",[5197,16518,16520],{"className":5199,"code":16519,"language":5201,"meta":5202,"style":5202},"import http from 'node:http';\nimport fs from 'node:fs';\nimport type { ReadStream, WriteStream } from 'node:fs';\nimport path from 'node:path';\n\nconst server = http.createServer((req, res) => {\n  const filePath = path.join(process.cwd(), 'public', req.url);\n  \n  \u002F\u002F Перевірка існування файлу\n  fs.stat(filePath, (err, stats) => {\n    if (err || !stats.isFile()) {\n      res.writeHead(404, { 'Content-Type': 'text\u002Fplain' });\n      res.end('File not found');\n      return;\n    }\n    \n    \u002F\u002F Встановлення заголовків\n    res.writeHead(200, {\n      'Content-Type': 'application\u002Foctet-stream',\n      'Content-Length': stats.size,\n      'Content-Disposition': `attachment; filename=\"${path.basename(filePath)}\"`\n    });\n    \n    \u002F\u002F Потокове передавання файлу клієнту\n    const readStream = fs.createReadStream(filePath);\n    \n    \u002F\u002F res (ServerResponse) є Writable Stream\n    readStream.pipe(res);\n    \n    \u002F\u002F Обробка помилок\n    readStream.on('error', (error: Error) => {\n      console.error('Помилка читання файлу:', error);\n      res.destroy(); \u002F\u002F Розірвати з'єднання\n    });\n    \n    \u002F\u002F Клієнт розірвав з'єднання (наприклад, скасував завантаження)\n    res.on('close', (): void => {\n      readStream.destroy();\n      console.log('Клієнт розірвав з\\'єднання');\n    });\n  });\n});\n\nserver.listen(3000, () => {\n  console.log('Файловий сервер запущено на 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filePath",[5206,16623,5278],{"class":5227},[5206,16625,16626],{"class":5216},"path",[5206,16628,5286],{"class":5227},[5206,16630,11748],{"class":5255},[5206,16632,5292],{"class":5227},[5206,16634,6065],{"class":5216},[5206,16636,5286],{"class":5227},[5206,16638,16639],{"class":5255},"cwd",[5206,16641,16642],{"class":5227},"(), ",[5206,16644,16645],{"class":5223},"'public'",[5206,16647,5113],{"class":5227},[5206,16649,5946],{"class":5216},[5206,16651,5286],{"class":5227},[5206,16653,16654],{"class":5216},"url",[5206,16656,5333],{"class":5227},[5206,16658,16659],{"class":5208,"line":5310},[5206,16660,5307],{"class":5227},[5206,16662,16663],{"class":5208,"line":5316},[5206,16664,16665],{"class":5241},"  \u002F\u002F Перевірка існування файлу\n",[5206,16667,16668,16670,16672,16674,16676,16678,16680,16683,16685,16688,16690,16692],{"class":5208,"line":5336},[5206,16669,15018],{"class":5216},[5206,16671,5286],{"class":5227},[5206,16673,9530],{"class":5255},[5206,16675,5292],{"class":5227},[5206,16677,8099],{"class":5216},[5206,16679,6685],{"class":5227},[5206,16681,16682],{"class":5216},"err",[5206,16684,5113],{"class":5227},[5206,16686,16687],{"class":5216},"stats",[5206,16689,5954],{"class":5227},[5206,16691,5957],{"class":5248},[5206,16693,5960],{"class":5227},[5206,16695,16696,16698,16700,16702,16705,16707,16709,16712],{"class":5208,"line":5341},[5206,16697,9126],{"class":5212},[5206,16699,5504],{"class":5227},[5206,16701,16682],{"class":5216},[5206,16703,16704],{"class":5227}," || !",[5206,16706,16687],{"class":5216},[5206,16708,5286],{"class":5227},[5206,16710,16711],{"class":5255},"isFile",[5206,16713,16714],{"class":5227},"()) {\n",[5206,16716,16717,16720,16722,16724,16726,16729,16731,16734,16736,16739],{"class":5208,"line":5347},[5206,16718,16719],{"class":5216},"      res",[5206,16721,5286],{"class":5227},[5206,16723,9616],{"class":5255},[5206,16725,5292],{"class":5227},[5206,16727,16728],{"class":5754},"404",[5206,16730,7322],{"class":5227},[5206,16732,16733],{"class":5223},"'Content-Type'",[5206,16735,6546],{"class":5216},[5206,16737,16738],{"class":5223}," 'text\u002Fplain'",[5206,16740,7330],{"class":5227},[5206,16742,16743,16745,16747,16749,16751,16754],{"class":5208,"line":5372},[5206,16744,16719],{"class":5216},[5206,16746,5286],{"class":5227},[5206,16748,5116],{"class":5255},[5206,16750,5292],{"class":5227},[5206,16752,16753],{"class":5223},"'File not found'",[5206,16755,5333],{"class":5227},[5206,16757,16758,16761],{"class":5208,"line":5451},[5206,16759,16760],{"class":5212},"      return",[5206,16762,5228],{"class":5227},[5206,16764,16765],{"class":5208,"line":5584},[5206,16766,9179],{"class":5227},[5206,16768,16769],{"class":5208,"line":5590},[5206,16770,5409],{"class":5227},[5206,16772,16773],{"class":5208,"line":5596},[5206,16774,16775],{"class":5241},"    \u002F\u002F Встановлення заголовків\n",[5206,16777,16778,16781,16783,16785,16787,16790],{"class":5208,"line":6019},[5206,16779,16780],{"class":5216},"    res",[5206,16782,5286],{"class":5227},[5206,16784,9616],{"class":5255},[5206,16786,5292],{"class":5227},[5206,16788,16789],{"class":5754},"200",[5206,16791,7079],{"class":5227},[5206,16793,16794,16797,16799,16802],{"class":5208,"line":6051},[5206,16795,16796],{"class":5223},"      'Content-Type'",[5206,16798,6546],{"class":5216},[5206,16800,16801],{"class":5223}," 'application\u002Foctet-stream'",[5206,16803,9316],{"class":5227},[5206,16805,16806,16809,16811,16814,16816,16818],{"class":5208,"line":6056},[5206,16807,16808],{"class":5223},"      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filename=\"",[5206,16831,8398],{"class":5248},[5206,16833,16626],{"class":5216},[5206,16835,5286],{"class":8404},[5206,16837,16838],{"class":5255},"basename",[5206,16840,5292],{"class":8404},[5206,16842,8099],{"class":5216},[5206,16844,6569],{"class":8404},[5206,16846,8413],{"class":5248},[5206,16848,16849],{"class":5223},"\"`\n",[5206,16851,16852],{"class":5208,"line":6092},[5206,16853,15119],{"class":5227},[5206,16855,16856],{"class":5208,"line":6097},[5206,16857,5409],{"class":5227},[5206,16859,16860],{"class":5208,"line":6103},[5206,16861,16862],{"class":5241},"    \u002F\u002F Потокове передавання файлу клієнту\n",[5206,16864,16865,16867,16869,16871,16873,16875,16877,16879,16881],{"class":5208,"line":6122},[5206,16866,12074],{"class":5248},[5206,16868,5874],{"class":5274},[5206,16870,5278],{"class":5227},[5206,16872,5879],{"class":5216},[5206,16874,5286],{"class":5227},[5206,16876,5884],{"class":5255},[5206,16878,5292],{"class":5227},[5206,16880,8099],{"class":5216},[5206,16882,5333],{"class":5227},[5206,16884,16885],{"class":5208,"line":6148},[5206,16886,5409],{"class":5227},[5206,16888,16889],{"class":5208,"line":8451},[5206,16890,16891],{"class":5241},"    \u002F\u002F res (ServerResponse) є Writable Stream\n",[5206,16893,16894,16896,16898,16900,16902,16904],{"class":5208,"line":8482},[5206,16895,13517],{"class":5216},[5206,16897,5286],{"class":5227},[5206,16899,5970],{"class":5255},[5206,16901,5292],{"class":5227},[5206,16903,5951],{"class":5216},[5206,16905,5333],{"class":5227},[5206,16907,16908],{"class":5208,"line":8507},[5206,16909,5409],{"class":5227},[5206,16911,16912],{"class":5208,"line":8549},[5206,16913,16914],{"class":5241},"    \u002F\u002F Обробка помилок\n",[5206,16916,16917,16919,16921,16923,16925,16927,16929,16931,16933,16935,16937,16939],{"class":5208,"line":8554},[5206,16918,13517],{"class":5216},[5206,16920,5286],{"class":5227},[5206,16922,6677],{"class":5255},[5206,16924,5292],{"class":5227},[5206,16926,6795],{"class":5223},[5206,16928,6685],{"class":5227},[5206,16930,5119],{"class":5216},[5206,16932,6691],{"class":5227},[5206,16934,6804],{"class":6694},[5206,16936,5954],{"class":5227},[5206,16938,5957],{"class":5248},[5206,16940,5960],{"class":5227},[5206,16942,16943,16945,16947,16949,16951,16953,16955,16957],{"class":5208,"line":8559},[5206,16944,8960],{"class":5216},[5206,16946,5286],{"class":5227},[5206,16948,5119],{"class":5255},[5206,16950,5292],{"class":5227},[5206,16952,8597],{"class":5223},[5206,16954,5113],{"class":5227},[5206,16956,5119],{"class":5216},[5206,16958,5333],{"class":5227},[5206,16960,16961,16963,16965,16967,16969],{"class":5208,"line":8586},[5206,16962,16719],{"class":5216},[5206,16964,5286],{"class":5227},[5206,16966,14045],{"class":5255},[5206,16968,12839],{"class":5227},[5206,16970,16971],{"class":5241},"\u002F\u002F Розірвати з'єднання\n",[5206,16973,16974],{"class":5208,"line":8611},[5206,16975,15119],{"class":5227},[5206,16977,16978],{"class":5208,"line":8616},[5206,16979,5409],{"class":5227},[5206,16981,16982],{"class":5208,"line":8621},[5206,16983,16984],{"class":5241},"    \u002F\u002F Клієнт розірвав з'єднання (наприклад, скасував завантаження)\n",[5206,16986,16987,16989,16991,16993,16995,16997,16999,17001,17003],{"class":5208,"line":8626},[5206,16988,16780],{"class":5216},[5206,16990,5286],{"class":5227},[5206,16992,6677],{"class":5255},[5206,16994,5292],{"class":5227},[5206,16996,8026],{"class":5223},[5206,16998,6751],{"class":5227},[5206,17000,6754],{"class":6694},[5206,17002,6757],{"class":5248},[5206,17004,5960],{"class":5227},[5206,17006,17007,17009,17011,17013],{"class":5208,"line":8632},[5206,17008,16197],{"class":5216},[5206,17010,5286],{"class":5227},[5206,17012,14045],{"class":5255},[5206,17014,8939],{"class":5227},[5206,17016,17017,17019,17021,17023,17025,17028,17031,17034],{"class":5208,"line":9186},[5206,17018,8960],{"class":5216},[5206,17020,5286],{"class":5227},[5206,17022,6711],{"class":5255},[5206,17024,5292],{"class":5227},[5206,17026,17027],{"class":5223},"'Клієнт розірвав з",[5206,17029,17030],{"class":9098},"\\'",[5206,17032,17033],{"class":5223},"єднання'",[5206,17035,5333],{"class":5227},[5206,17037,17038],{"class":5208,"line":9756},[5206,17039,15119],{"class":5227},[5206,17041,17042],{"class":5208,"line":9762},[5206,17043,8343],{"class":5227},[5206,17045,17046],{"class":5208,"line":9779},[5206,17047,5984],{"class":5227},[5206,17049,17050],{"class":5208,"line":9816},[5206,17051,5235],{"emptyLinePlaceholder":5234},[5206,17053,17054,17057,17059,17062,17064,17067,17069,17071],{"class":5208,"line":9829},[5206,17055,17056],{"class":5216},"server",[5206,17058,5286],{"class":5227},[5206,17060,17061],{"class":5255},"listen",[5206,17063,5292],{"class":5227},[5206,17065,17066],{"class":5754},"3000",[5206,17068,7589],{"class":5227},[5206,17070,5957],{"class":5248},[5206,17072,5960],{"class":5227},[5206,17074,17075,17077,17079,17081,17083,17086],{"class":5208,"line":9841},[5206,17076,6706],{"class":5216},[5206,17078,5286],{"class":5227},[5206,17080,6711],{"class":5255},[5206,17082,5292],{"class":5227},[5206,17084,17085],{"class":5223},"'Файловий сервер запущено на http:\u002F\u002F127.0.0.1:3000'",[5206,17087,5333],{"class":5227},[5206,17089,17090],{"class":5208,"line":9852},[5206,17091,5984],{"class":5227},[5181,17093,17094,17095,5286],{},"Цей HTTP-сервер може передавати файли будь-якого розміру (навіть 10 ГБ відео) без завантаження їх у пам'ять завдяки потоковому передаванню через ",[5110,17096,13360],{},[5171,17098,17100],{"id":17099},"transform-streams-трансформація-даних-на-льоту","Transform Streams: трансформація даних на льоту",[5176,17102,17104],{"id":17103},"створення-власних-transform-stream","Створення власних Transform Stream",[5181,17106,17107,17108,17111],{},"Transform Stream — це спеціальний тип Duplex Stream, який читає дані, трансформує їх через функцію ",[5110,17109,17110],{},"_transform()"," та записує результат:",[5197,17113,17115],{"className":5199,"code":17114,"language":5201,"meta":5202,"style":5202},"import { Transform } from 'node:stream';\nimport type { TransformCallback } from 'node:stream';\n\n\u002F\u002F Приклад: перетворення тексту у верхній регістр\nclass UpperCaseTransform extends Transform {\n  _transform(chunk: Buffer | string, encoding: BufferEncoding, callback: TransformCallback): void {\n    \u002F\u002F chunk — вхідні дані (Buffer або string)\n    \u002F\u002F encoding — кодування (якщо chunk є рядком)\n    \u002F\u002F callback(error, transformedChunk) — виклик після трансформації\n    \n    const upperCased = chunk.toString().toUpperCase();\n    this.push(upperCased); \u002F\u002F Відправити трансформовані дані далі\n    callback(); \u002F\u002F Сигнал, що chunk оброблено\n  }\n}\n\n\u002F\u002F Використання\nimport fs from 'node:fs';\nimport type { ReadStream, WriteStream } from 'node:fs';\n\nfs.createReadStream('input.txt', { encoding: 'utf8' })\n  .pipe(new UpperCaseTransform())\n  .pipe(fs.createWriteStream('output.txt'))\n  .on('finish', (): void => {\n    console.log('Файл перетворено у верхній регістр');\n  });\n",[5110,17116,17117,17134,17153,17157,17162,17178,17219,17224,17229,17234,17238,17260,17280,17290,17294,17298,17302,17306,17318,17340,17344,17365,17380,17400,17418,17433],{"__ignoreMap":5202},[5206,17118,17119,17121,17123,17125,17127,17129,17132],{"class":5208,"line":5209},[5206,17120,5213],{"class":5212},[5206,17122,5797],{"class":5227},[5206,17124,6508],{"class":5216},[5206,17126,5808],{"class":5227},[5206,17128,5811],{"class":5212},[5206,17130,17131],{"class":5223}," 'node:stream'",[5206,17133,5228],{"class":5227},[5206,17135,17136,17138,17140,17142,17145,17147,17149,17151],{"class":5208,"line":5231},[5206,17137,5213],{"class":5212},[5206,17139,5794],{"class":5212},[5206,17141,5797],{"class":5227},[5206,17143,17144],{"class":5216},"TransformCallback",[5206,17146,5808],{"class":5227},[5206,17148,5811],{"class":5212},[5206,17150,17131],{"class":5223},[5206,17152,5228],{"class":5227},[5206,17154,17155],{"class":5208,"line":5238},[5206,17156,5235],{"emptyLinePlaceholder":5234},[5206,17158,17159],{"class":5208,"line":5245},[5206,17160,17161],{"class":5241},"\u002F\u002F Приклад: перетворення тексту у верхній регістр\n",[5206,17163,17164,17167,17170,17173,17176],{"class":5208,"line":5262},[5206,17165,17166],{"class":5248},"class",[5206,17168,17169],{"class":6694}," UpperCaseTransform",[5206,17171,17172],{"class":5248}," extends",[5206,17174,17175],{"class":6694}," Transform",[5206,17177,5960],{"class":5227},[5206,17179,17180,17183,17185,17187,17189,17191,17193,17195,17197,17199,17201,17204,17206,17208,17210,17212,17215,17217],{"class":5208,"line":5268},[5206,17181,17182],{"class":5255},"  _transform",[5206,17184,5292],{"class":5227},[5206,17186,6688],{"class":5216},[5206,17188,6691],{"class":5227},[5206,17190,6695],{"class":6694},[5206,17192,5724],{"class":5227},[5206,17194,10277],{"class":6694},[5206,17196,5113],{"class":5227},[5206,17198,7187],{"class":5216},[5206,17200,6691],{"class":5227},[5206,17202,17203],{"class":6694},"BufferEncoding",[5206,17205,5113],{"class":5227},[5206,17207,10379],{"class":5216},[5206,17209,6691],{"class":5227},[5206,17211,17144],{"class":6694},[5206,17213,17214],{"class":5227},"): ",[5206,17216,6754],{"class":6694},[5206,17218,5960],{"class":5227},[5206,17220,17221],{"class":5208,"line":5304},[5206,17222,17223],{"class":5241},"    \u002F\u002F chunk — вхідні дані (Buffer або string)\n",[5206,17225,17226],{"class":5208,"line":5310},[5206,17227,17228],{"class":5241},"    \u002F\u002F encoding — кодування (якщо chunk є рядком)\n",[5206,17230,17231],{"class":5208,"line":5316},[5206,17232,17233],{"class":5241},"    \u002F\u002F callback(error, transformedChunk) — виклик після трансформації\n",[5206,17235,17236],{"class":5208,"line":5336},[5206,17237,5409],{"class":5227},[5206,17239,17240,17242,17245,17247,17249,17251,17253,17255,17258],{"class":5208,"line":5341},[5206,17241,12074],{"class":5248},[5206,17243,17244],{"class":5274}," upperCased",[5206,17246,5278],{"class":5227},[5206,17248,6688],{"class":5216},[5206,17250,5286],{"class":5227},[5206,17252,7777],{"class":5255},[5206,17254,11734],{"class":5227},[5206,17256,17257],{"class":5255},"toUpperCase",[5206,17259,8939],{"class":5227},[5206,17261,17262,17265,17267,17270,17272,17275,17277],{"class":5208,"line":5347},[5206,17263,17264],{"class":5248},"    this",[5206,17266,5286],{"class":5227},[5206,17268,17269],{"class":5255},"push",[5206,17271,5292],{"class":5227},[5206,17273,17274],{"class":5216},"upperCased",[5206,17276,5298],{"class":5227},[5206,17278,17279],{"class":5241},"\u002F\u002F Відправити трансформовані дані далі\n",[5206,17281,17282,17285,17287],{"class":5208,"line":5372},[5206,17283,17284],{"class":5255},"    callback",[5206,17286,12839],{"class":5227},[5206,17288,17289],{"class":5241},"\u002F\u002F Сигнал, що chunk оброблено\n",[5206,17291,17292],{"class":5208,"line":5451},[5206,17293,7686],{"class":5227},[5206,17295,17296],{"class":5208,"line":5584},[5206,17297,5375],{"class":5227},[5206,17299,17300],{"class":5208,"line":5590},[5206,17301,5235],{"emptyLinePlaceholder":5234},[5206,17303,17304],{"class":5208,"line":5596},[5206,17305,8629],{"class":5241},[5206,17307,17308,17310,17312,17314,17316],{"class":5208,"line":6019},[5206,17309,5213],{"class":5212},[5206,17311,5217],{"class":5216},[5206,17313,5220],{"class":5212},[5206,17315,5785],{"class":5223},[5206,17317,5228],{"class":5227},[5206,17319,17320,17322,17324,17326,17328,17330,17332,17334,17336,17338],{"class":5208,"line":6051},[5206,17321,5213],{"class":5212},[5206,17323,5794],{"class":5212},[5206,17325,5797],{"class":5227},[5206,17327,5800],{"class":5216},[5206,17329,5113],{"class":5227},[5206,17331,5805],{"class":5216},[5206,17333,5808],{"class":5227},[5206,17335,5811],{"class":5212},[5206,17337,5785],{"class":5223},[5206,17339,5228],{"class":5227},[5206,17341,17342],{"class":5208,"line":6056},[5206,17343,5235],{"emptyLinePlaceholder":5234},[5206,17345,17346,17348,17350,17352,17354,17356,17358,17360,17362],{"class":5208,"line":6062},[5206,17347,5879],{"class":5216},[5206,17349,5286],{"class":5227},[5206,17351,5884],{"class":5255},[5206,17353,5292],{"class":5227},[5206,17355,5889],{"class":5223},[5206,17357,7322],{"class":5227},[5206,17359,7325],{"class":5216},[5206,17361,7087],{"class":5223},[5206,17363,17364],{"class":5227}," })\n",[5206,17366,17367,17369,17371,17373,17376,17378],{"class":5208,"line":6092},[5206,17368,6234],{"class":5227},[5206,17370,5970],{"class":5255},[5206,17372,5292],{"class":5227},[5206,17374,17375],{"class":5248},"new",[5206,17377,17169],{"class":5255},[5206,17379,6247],{"class":5227},[5206,17381,17382,17384,17386,17388,17390,17392,17394,17396,17398],{"class":5208,"line":6097},[5206,17383,6234],{"class":5227},[5206,17385,5970],{"class":5255},[5206,17387,5292],{"class":5227},[5206,17389,5879],{"class":5216},[5206,17391,5286],{"class":5227},[5206,17393,5911],{"class":5255},[5206,17395,5292],{"class":5227},[5206,17397,5916],{"class":5223},[5206,17399,6273],{"class":5227},[5206,17401,17402,17404,17406,17408,17410,17412,17414,17416],{"class":5208,"line":6103},[5206,17403,6234],{"class":5227},[5206,17405,6677],{"class":5255},[5206,17407,5292],{"class":5227},[5206,17409,10428],{"class":5223},[5206,17411,6751],{"class":5227},[5206,17413,6754],{"class":6694},[5206,17415,6757],{"class":5248},[5206,17417,5960],{"class":5227},[5206,17419,17420,17422,17424,17426,17428,17431],{"class":5208,"line":6122},[5206,17421,7642],{"class":5216},[5206,17423,5286],{"class":5227},[5206,17425,6711],{"class":5255},[5206,17427,5292],{"class":5227},[5206,17429,17430],{"class":5223},"'Файл перетворено у верхній регістр'",[5206,17432,5333],{"class":5227},[5206,17434,17435],{"class":5208,"line":6148},[5206,17436,8343],{"class":5227},[7182,17438,17439,17505],{},[7185,17440,17442,17445,17449,17473,17478],{"name":17441,"type":6754},"_transform(chunk, encoding, callback)",[5181,17443,17444],{},"Метод, який потрібно реалізувати для створення кастомного Transform Stream.",[5181,17446,17447],{},[5138,17448,10362],{},[5092,17450,17451,17456,17461],{},[5095,17452,17453,17455],{},[5110,17454,6688],{}," (Buffer | string) — вхідний фрагмент даних",[5095,17457,17458,17460],{},[5110,17459,7187],{}," (string) — кодування (якщо chunk є рядком)",[5095,17462,17463,17465,17466,17469,17470],{},[5110,17464,10379],{}," (Function) — ",[5110,17467,17468],{},"callback(error, transformedData)"," або ",[5110,17471,17472],{},"callback()",[5181,17474,17475],{},[5138,17476,17477],{},"Правила:",[5092,17479,17480,17487,17492,17499],{},[5095,17481,17482,17483,17486],{},"Викликати ",[5110,17484,17485],{},"this.push(data)"," для відправки трансформованих даних",[5095,17488,17482,17489,17491],{},[5110,17490,17472],{}," після завершення обробки chunk",[5095,17493,17494,17495,17498],{},"Можна викликати ",[5110,17496,17497],{},"this.push()"," кілька разів для одного chunk",[5095,17500,17501,17502,17504],{},"Можна не викликати ",[5110,17503,17497],{}," (фільтрація даних)",[7185,17506,17508,17513],{"name":17507,"type":6754},"_flush(callback)",[5181,17509,17510,17511,5286],{},"Опціональний метод, викликається після обробки всіх chunks, перед подією ",[5110,17512,6748],{},[5181,17514,17515,17517],{},[5138,17516,8022],{}," Відправка залишкових даних, які накопичувалися у буфері.",[5176,17519,17521],{"id":17520},"практичні-приклади-transform-streams","Практичні приклади Transform Streams",[5181,17523,17524],{},[5138,17525,17526],{},"1. Заміна тексту:",[5197,17528,17530],{"className":5199,"code":17529,"language":5201,"meta":5202,"style":5202},"import { Transform } from 'node:stream';\nimport type { TransformCallback } from 'node:stream';\n\nclass ReplaceTransform extends Transform {\n  constructor(searchValue, replaceValue, options) {\n    super(options);\n    this.searchValue = searchValue;\n    this.replaceValue = replaceValue;\n    this.buffer = '';\n  }\n  \n  _transform(chunk, encoding, callback) {\n    \u002F\u002F Накопичуємо дані у буфері для коректної обробки меж chunks\n    this.buffer += chunk.toString();\n    \n    \u002F\u002F Обробляємо повні рядки\n    const lines = this.buffer.split('\\n');\n    this.buffer = lines.pop(); \u002F\u002F Зберегти неповний останній рядок\n    \n    for (const line of lines) {\n      const replaced = line.replace(\n        new RegExp(this.searchValue, 'g'),\n        this.replaceValue\n      );\n      this.push(replaced + '\\n');\n    }\n    \n    callback();\n  }\n  \n  _flush(callback) {\n    \u002F\u002F Відправити залишок буфера\n    if (this.buffer) {\n      const replaced = this.buffer.replace(\n        new RegExp(this.searchValue, 'g'),\n        this.replaceValue\n      );\n      this.push(replaced);\n    }\n    callback();\n  }\n}\n\n\u002F\u002F Використання: заміна всіх 'error' на 'warning' у лог-файлі\nimport fs from 'node:fs';\nimport type { ReadStream, WriteStream } from 'node:fs';\n\nfs.createReadStream('app.log', { encoding: 'utf8' })\n  .pipe(new ReplaceTransform('error', 'warning'))\n  .pipe(fs.createWriteStream('app-sanitized.log'));\n",[5110,17531,17532,17548,17566,17570,17583,17605,17616,17630,17644,17658,17662,17666,17684,17689,17707,17711,17716,17745,17765,17769,17785,17803,17825,17835,17840,17864,17868,17872,17878,17882,17886,17897,17902,17916,17936,17956,17964,17968,17982,17986,17992,17996,18000,18004,18009,18021,18043,18047,18068,18091],{"__ignoreMap":5202},[5206,17533,17534,17536,17538,17540,17542,17544,17546],{"class":5208,"line":5209},[5206,17535,5213],{"class":5212},[5206,17537,5797],{"class":5227},[5206,17539,6508],{"class":5216},[5206,17541,5808],{"class":5227},[5206,17543,5811],{"class":5212},[5206,17545,17131],{"class":5223},[5206,17547,5228],{"class":5227},[5206,17549,17550,17552,17554,17556,17558,17560,17562,17564],{"class":5208,"line":5231},[5206,17551,5213],{"class":5212},[5206,17553,5794],{"class":5212},[5206,17555,5797],{"class":5227},[5206,17557,17144],{"class":5216},[5206,17559,5808],{"class":5227},[5206,17561,5811],{"class":5212},[5206,17563,17131],{"class":5223},[5206,17565,5228],{"class":5227},[5206,17567,17568],{"class":5208,"line":5238},[5206,17569,5235],{"emptyLinePlaceholder":5234},[5206,17571,17572,17574,17577,17579,17581],{"class":5208,"line":5245},[5206,17573,17166],{"class":5248},[5206,17575,17576],{"class":6694}," 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   \u002F\u002F Накопичуємо дані у буфері для коректної обробки меж chunks\n",[5206,17690,17691,17693,17695,17697,17699,17701,17703,17705],{"class":5208,"line":5451},[5206,17692,17264],{"class":5248},[5206,17694,5286],{"class":5227},[5206,17696,12808],{"class":5216},[5206,17698,8230],{"class":5227},[5206,17700,6688],{"class":5216},[5206,17702,5286],{"class":5227},[5206,17704,7777],{"class":5255},[5206,17706,8939],{"class":5227},[5206,17708,17709],{"class":5208,"line":5584},[5206,17710,5409],{"class":5227},[5206,17712,17713],{"class":5208,"line":5590},[5206,17714,17715],{"class":5241},"    \u002F\u002F Обробляємо повні рядки\n",[5206,17717,17718,17720,17722,17724,17727,17729,17731,17733,17735,17737,17739,17741,17743],{"class":5208,"line":5596},[5206,17719,12074],{"class":5248},[5206,17721,9082],{"class":5274},[5206,17723,5278],{"class":5227},[5206,17725,17726],{"class":5248},"this",[5206,17728,5286],{"class":5227},[5206,17730,12808],{"class":5216},[5206,17732,5286],{"class":5227},[5206,17734,8310],{"class":5255},[5206,17736,5292],{"class":5227},[5206,17738,9095],{"class":5223},[5206,17740,9099],{"class":9098},[5206,17742,9095],{"class":5223},[5206,17744,5333],{"class":5227},[5206,17746,17747,17749,17751,17753,17755,17757,17759,17761,17763],{"class":5208,"line":6019},[5206,17748,17264],{"class":5248},[5206,17750,5286],{"class":5227},[5206,17752,12808],{"class":5216},[5206,17754,5278],{"class":5227},[5206,17756,12831],{"class":5216},[5206,17758,5286],{"class":5227},[5206,17760,12836],{"class":5255},[5206,17762,12839],{"class":5227},[5206,17764,12842],{"class":5241},[5206,17766,17767],{"class":5208,"line":6051},[5206,17768,5409],{"class":5227},[5206,17770,17771,17773,17775,17777,17779,17781,17783],{"class":5208,"line":6056},[5206,17772,12851],{"class":5212},[5206,17774,5504],{"class":5227},[5206,17776,5871],{"class":5248},[5206,17778,9115],{"class":5274},[5206,17780,6937],{"class":5248},[5206,17782,9082],{"class":5216},[5206,17784,6942],{"class":5227},[5206,17786,17787,17789,17792,17794,17796,17798,17801],{"class":5208,"line":6062},[5206,17788,10899],{"class":5248},[5206,17790,17791],{"class":5274}," replaced",[5206,17793,5278],{"class":5227},[5206,17795,5208],{"class":5216},[5206,17797,5286],{"class":5227},[5206,17799,17800],{"class":5255},"replace",[5206,17802,15268],{"class":5227},[5206,17804,17805,17807,17810,17812,17814,17816,17818,17820,17823],{"class":5208,"line":6092},[5206,17806,11728],{"class":5248},[5206,17808,17809],{"class":5255}," RegExp",[5206,17811,5292],{"class":5227},[5206,17813,17726],{"class":5248},[5206,17815,5286],{"class":5227},[5206,17817,17592],{"class":5216},[5206,17819,5113],{"class":5227},[5206,17821,17822],{"class":5223},"'g'",[5206,17824,10033],{"class":5227},[5206,17826,17827,17830,17832],{"class":5208,"line":6097},[5206,17828,17829],{"class":5248},"        this",[5206,17831,5286],{"class":5227},[5206,17833,17834],{"class":5216},"replaceValue\n",[5206,17836,17837],{"class":5208,"line":6103},[5206,17838,17839],{"class":5227},"      );\n",[5206,17841,17842,17845,17847,17849,17851,17854,17856,17858,17860,17862],{"class":5208,"line":6122},[5206,17843,17844],{"class":5248},"      this",[5206,17846,5286],{"class":5227},[5206,17848,17269],{"class":5255},[5206,17850,5292],{"class":5227},[5206,17852,17853],{"class":5216},"replaced",[5206,17855,9745],{"class":5227},[5206,17857,9095],{"class":5223},[5206,17859,9099],{"class":9098},[5206,17861,9095],{"class":5223},[5206,17863,5333],{"class":5227},[5206,17865,17866],{"class":5208,"line":6148},[5206,17867,9179],{"class":5227},[5206,17869,17870],{"class":5208,"line":8451},[5206,17871,5409],{"class":5227},[5206,17873,17874,17876],{"class":5208,"line":8482},[5206,17875,17284],{"class":5255},[5206,17877,8939],{"class":5227},[5206,17879,17880],{"class":5208,"line":8507},[5206,17881,7686],{"class":5227},[5206,17883,17884],{"class":5208,"line":8549},[5206,17885,5307],{"class":5227},[5206,17887,17888,17891,17893,17895],{"class":5208,"line":8554},[5206,17889,17890],{"class":5255},"  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буфера\n",[5206,17903,17904,17906,17908,17910,17912,17914],{"class":5208,"line":8586},[5206,17905,9126],{"class":5212},[5206,17907,5504],{"class":5227},[5206,17909,17726],{"class":5248},[5206,17911,5286],{"class":5227},[5206,17913,12808],{"class":5216},[5206,17915,6942],{"class":5227},[5206,17917,17918,17920,17922,17924,17926,17928,17930,17932,17934],{"class":5208,"line":8611},[5206,17919,10899],{"class":5248},[5206,17921,17791],{"class":5274},[5206,17923,5278],{"class":5227},[5206,17925,17726],{"class":5248},[5206,17927,5286],{"class":5227},[5206,17929,12808],{"class":5216},[5206,17931,5286],{"class":5227},[5206,17933,17800],{"class":5255},[5206,17935,15268],{"class":5227},[5206,17937,17938,17940,17942,17944,17946,17948,17950,17952,17954],{"class":5208,"line":8616},[5206,17939,11728],{"class":5248},[5206,17941,17809],{"class":5255},[5206,17943,5292],{"class":5227},[5206,17945,17726],{"class":5248},[5206,17947,5286],{"class":5227},[5206,17949,17592],{"class":5216},[5206,17951,5113],{"class":5227},[5206,17953,17822],{"class":5223},[5206,17955,10033],{"class":5227},[5206,17957,17958,17960,17962],{"class":5208,"line":8621},[5206,17959,17829],{"class":5248},[5206,17961,5286],{"class":5227},[5206,17963,17834],{"class":5216},[5206,17965,17966],{"class":5208,"line":8626},[5206,17967,17839],{"class":5227},[5206,17969,17970,17972,17974,17976,17978,17980],{"class":5208,"line":8632},[5206,17971,17844],{"class":5248},[5206,17973,5286],{"class":5227},[5206,17975,17269],{"class":5255},[5206,17977,5292],{"class":5227},[5206,17979,17853],{"class":5216},[5206,17981,5333],{"class":5227},[5206,17983,17984],{"class":5208,"line":9186},[5206,17985,9179],{"class":5227},[5206,17987,17988,17990],{"class":5208,"line":9756},[5206,17989,17284],{"class":5255},[5206,17991,8939],{"class":5227},[5206,17993,17994],{"class":5208,"line":9762},[5206,17995,7686],{"class":5227},[5206,17997,17998],{"class":5208,"line":9779},[5206,17999,5375],{"class":5227},[5206,18001,18002],{"class":5208,"line":9816},[5206,18003,5235],{"emptyLinePlaceholder":5234},[5206,18005,18006],{"class":5208,"line":9829},[5206,18007,18008],{"class":5241},"\u002F\u002F Використання: заміна всіх 'error' на 'warning' у лог-файлі\n",[5206,18010,18011,18013,18015,18017,18019],{"class":5208,"line":9841},[5206,18012,5213],{"class":5212},[5206,18014,5217],{"class":5216},[5206,18016,5220],{"class":5212},[5206,18018,5785],{"class":5223},[5206,18020,5228],{"class":5227},[5206,18022,18023,18025,18027,18029,18031,18033,18035,18037,18039,18041],{"class":5208,"line":9852},[5206,18024,5213],{"class":5212},[5206,18026,5794],{"class":5212},[5206,18028,5797],{"class":5227},[5206,18030,5800],{"class":5216},[5206,18032,5113],{"class":5227},[5206,18034,5805],{"class":5216},[5206,18036,5808],{"class":5227},[5206,18038,5811],{"class":5212},[5206,18040,5785],{"class":5223},[5206,18042,5228],{"class":5227},[5206,18044,18045],{"class":5208,"line":9857},[5206,18046,5235],{"emptyLinePlaceholder":5234},[5206,18048,18049,18051,18053,18055,18057,18060,18062,18064,18066],{"class":5208,"line":9862},[5206,18050,5879],{"class":5216},[5206,18052,5286],{"class":5227},[5206,18054,5884],{"class":5255},[5206,18056,5292],{"class":5227},[5206,18058,18059],{"class":5223},"'app.log'",[5206,18061,7322],{"class":5227},[5206,18063,7325],{"class":5216},[5206,18065,7087],{"class":5223},[5206,18067,17364],{"class":5227},[5206,18069,18070,18072,18074,18076,18078,18080,18082,18084,18086,18089],{"class":5208,"line":9868},[5206,18071,6234],{"class":5227},[5206,18073,5970],{"class":5255},[5206,18075,5292],{"class":5227},[5206,18077,17375],{"class":5248},[5206,18079,17576],{"class":5255},[5206,18081,5292],{"class":5227},[5206,18083,6795],{"class":5223},[5206,18085,5113],{"class":5227},[5206,18087,18088],{"class":5223},"'warning'",[5206,18090,6273],{"class":5227},[5206,18092,18093,18095,18097,18099,18101,18103,18105,18107,18110],{"class":5208,"line":9897},[5206,18094,6234],{"class":5227},[5206,18096,5970],{"class":5255},[5206,18098,5292],{"class":5227},[5206,18100,5879],{"class":5216},[5206,18102,5286],{"class":5227},[5206,18104,5911],{"class":5255},[5206,18106,5292],{"class":5227},[5206,18108,18109],{"class":5223},"'app-sanitized.log'",[5206,18111,7800],{"class":5227},[5181,18113,18114],{},[5138,18115,18116],{},"2. Підрахунок рядків та слів:",[5197,18118,18120],{"className":5199,"code":18119,"language":5201,"meta":5202,"style":5202},"import { Transform } from 'node:stream';\nimport type { TransformCallback } from 'node:stream';\n\nclass StatisticsTransform extends Transform {\n  constructor(options) {\n    super(options);\n    this.lines = 0;\n    this.words = 0;\n    this.bytes = 0;\n  }\n  \n  _transform(chunk, encoding, callback) {\n    const text = chunk.toString();\n    this.bytes += Buffer.byteLength(text);\n    this.lines += (text.match(\u002F\\n\u002Fg) || []).length;\n    this.words += text.split(\u002F\\s+\u002F).filter(Boolean).length;\n    \n    \u002F\u002F Пропускаємо дані далі без змін\n    this.push(chunk);\n    callback();\n  }\n  \n  _flush(callback) {\n    \u002F\u002F Виведення статистики після обробки всіх даних\n    console.log('\\nСтатистика файлу:');\n    console.log(`  Байти: ${this.bytes.toLocaleString()}`);\n    console.log(`  Рядки: ${this.lines.toLocaleString()}`);\n    console.log(`  Слова: ${this.words.toLocaleString()}`);\n    callback();\n  }\n}\n\n\u002F\u002F Використання: копіювання файлу з підрахунком статистики\nfs.createReadStream('large-document.txt', { encoding: 'utf8' })\n  .pipe(new StatisticsTransform())\n  .pipe(fs.createWriteStream('copy.txt'))\n  .on('finish', (): void => {\n    console.log('Копіювання завершено');\n  });\n",[5110,18121,18122,18138,18156,18160,18173,18183,18193,18207,18222,18237,18241,18245,18263,18280,18302,18330,18368,18372,18377,18391,18397,18401,18405,18415,18420,18439,18471,18503,18535,18541,18545,18549,18553,18558,18578,18592,18613,18631,18646],{"__ignoreMap":5202},[5206,18123,18124,18126,18128,18130,18132,18134,18136],{"class":5208,"line":5209},[5206,18125,5213],{"class":5212},[5206,18127,5797],{"class":5227},[5206,18129,6508],{"class":5216},[5206,18131,5808],{"class":5227},[5206,18133,5811],{"class":5212},[5206,18135,17131],{"class":5223},[5206,18137,5228],{"class":5227},[5206,18139,18140,18142,18144,18146,18148,18150,18152,18154],{"class":5208,"line":5231},[5206,18141,5213],{"class":5212},[5206,18143,5794],{"class":5212},[5206,18145,5797],{"class":5227},[5206,18147,17144],{"class":5216},[5206,18149,5808],{"class":5227},[5206,18151,5811],{"class":5212},[5206,18153,17131],{"class":5223},[5206,18155,5228],{"class":5227},[5206,18157,18158],{"class":5208,"line":5238},[5206,18159,5235],{"emptyLinePlaceholder":5234},[5206,18161,18162,18164,18167,18169,18171],{"class":5208,"line":5245},[5206,18163,17166],{"class":5248},[5206,18165,18166],{"class":6694}," 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   \u002F\u002F Пропускаємо дані далі без змін\n",[5206,18378,18379,18381,18383,18385,18387,18389],{"class":5208,"line":6051},[5206,18380,17264],{"class":5248},[5206,18382,5286],{"class":5227},[5206,18384,17269],{"class":5255},[5206,18386,5292],{"class":5227},[5206,18388,6688],{"class":5216},[5206,18390,5333],{"class":5227},[5206,18392,18393,18395],{"class":5208,"line":6056},[5206,18394,17284],{"class":5255},[5206,18396,8939],{"class":5227},[5206,18398,18399],{"class":5208,"line":6062},[5206,18400,7686],{"class":5227},[5206,18402,18403],{"class":5208,"line":6092},[5206,18404,5307],{"class":5227},[5206,18406,18407,18409,18411,18413],{"class":5208,"line":6097},[5206,18408,17890],{"class":5255},[5206,18410,5292],{"class":5227},[5206,18412,10379],{"class":5216},[5206,18414,6942],{"class":5227},[5206,18416,18417],{"class":5208,"line":6103},[5206,18418,18419],{"class":5241},"    \u002F\u002F Виведення статистики після обробки всіх даних\n",[5206,18421,18422,18424,18426,18428,18430,18432,18434,18437],{"class":5208,"line":6122},[5206,18423,7642],{"class":5216},[5206,18425,5286],{"class":5227},[5206,18427,6711],{"class":5255},[5206,18429,5292],{"class":5227},[5206,18431,9095],{"class":5223},[5206,18433,9099],{"class":9098},[5206,18435,18436],{"class":5223},"Статистика файлу:'",[5206,18438,5333],{"class":5227},[5206,18440,18441,18443,18445,18447,18449,18451,18453,18455,18457,18459,18461,18463,18465,18467,18469],{"class":5208,"line":6148},[5206,18442,7642],{"class":5216},[5206,18444,5286],{"class":5227},[5206,18446,6711],{"class":5255},[5206,18448,5292],{"class":5227},[5206,18450,8395],{"class":5223},[5206,18452,8398],{"class":5248},[5206,18454,17726],{"class":5248},[5206,18456,5286],{"class":8404},[5206,18458,18230],{"class":5216},[5206,18460,5286],{"class":8404},[5206,18462,8407],{"class":5255},[5206,18464,8410],{"class":8404},[5206,18466,8413],{"class":5248},[5206,18468,8416],{"class":5223},[5206,18470,5333],{"class":5227},[5206,18472,18473,18475,18477,18479,18481,18483,18485,18487,18489,18491,18493,18495,18497,18499,18501],{"class":5208,"line":8451},[5206,18474,7642],{"class":5216},[5206,18476,5286],{"class":5227},[5206,18478,6711],{"class":5255},[5206,18480,5292],{"class":5227},[5206,18482,8431],{"class":5223},[5206,18484,8398],{"class":5248},[5206,18486,17726],{"class":5248},[5206,18488,5286],{"class":8404},[5206,18490,12831],{"class":5216},[5206,18492,5286],{"class":8404},[5206,18494,8407],{"class":5255},[5206,18496,8410],{"class":8404},[5206,18498,8413],{"class":5248},[5206,18500,8416],{"class":5223},[5206,18502,5333],{"class":5227},[5206,18504,18505,18507,18509,18511,18513,18515,18517,18519,18521,18523,18525,18527,18529,18531,18533],{"class":5208,"line":8482},[5206,18506,7642],{"class":5216},[5206,18508,5286],{"class":5227},[5206,18510,6711],{"class":5255},[5206,18512,5292],{"class":5227},[5206,18514,8462],{"class":5223},[5206,18516,8398],{"class":5248},[5206,18518,17726],{"class":5248},[5206,18520,5286],{"class":8404},[5206,18522,18215],{"class":5216},[5206,18524,5286],{"class":8404},[5206,18526,8407],{"class":5255},[5206,18528,8410],{"class":8404},[5206,18530,8413],{"class":5248},[5206,18532,8416],{"class":5223},[5206,18534,5333],{"class":5227},[5206,18536,18537,18539],{"class":5208,"line":8507},[5206,18538,17284],{"class":5255},[5206,18540,8939],{"class":5227},[5206,18542,18543],{"class":5208,"line":8549},[5206,18544,7686],{"class":5227},[5206,18546,18547],{"class":5208,"line":8554},[5206,18548,5375],{"class":5227},[5206,18550,18551],{"class":5208,"line":8559},[5206,18552,5235],{"emptyLinePlaceholder":5234},[5206,18554,18555],{"class":5208,"line":8586},[5206,18556,18557],{"class":5241},"\u002F\u002F Використання: копіювання файлу з підрахунком статистики\n",[5206,18559,18560,18562,18564,18566,18568,18570,18572,18574,18576],{"class":5208,"line":8611},[5206,18561,5879],{"class":5216},[5206,18563,5286],{"class":5227},[5206,18565,5884],{"class":5255},[5206,18567,5292],{"class":5227},[5206,18569,8640],{"class":5223},[5206,18571,7322],{"class":5227},[5206,18573,7325],{"class":5216},[5206,18575,7087],{"class":5223},[5206,18577,17364],{"class":5227},[5206,18579,18580,18582,18584,18586,18588,18590],{"class":5208,"line":8616},[5206,18581,6234],{"class":5227},[5206,18583,5970],{"class":5255},[5206,18585,5292],{"class":5227},[5206,18587,17375],{"class":5248},[5206,18589,18166],{"class":5255},[5206,18591,6247],{"class":5227},[5206,18593,18594,18596,18598,18600,18602,18604,18606,18608,18611],{"class":5208,"line":8621},[5206,18595,6234],{"class":5227},[5206,18597,5970],{"class":5255},[5206,18599,5292],{"class":5227},[5206,18601,5879],{"class":5216},[5206,18603,5286],{"class":5227},[5206,18605,5911],{"class":5255},[5206,18607,5292],{"class":5227},[5206,18609,18610],{"class":5223},"'copy.txt'",[5206,18612,6273],{"class":5227},[5206,18614,18615,18617,18619,18621,18623,18625,18627,18629],{"class":5208,"line":8626},[5206,18616,6234],{"class":5227},[5206,18618,6677],{"class":5255},[5206,18620,5292],{"class":5227},[5206,18622,10428],{"class":5223},[5206,18624,6751],{"class":5227},[5206,18626,6754],{"class":6694},[5206,18628,6757],{"class":5248},[5206,18630,5960],{"class":5227},[5206,18632,18633,18635,18637,18639,18641,18644],{"class":5208,"line":8632},[5206,18634,7642],{"class":5216},[5206,18636,5286],{"class":5227},[5206,18638,6711],{"class":5255},[5206,18640,5292],{"class":5227},[5206,18642,18643],{"class":5223},"'Копіювання завершено'",[5206,18645,5333],{"class":5227},[5206,18647,18648],{"class":5208,"line":9186},[5206,18649,8343],{"class":5227},[5181,18651,18652],{},[5138,18653,18654],{},"3. Фільтрація рядків (grep-like):",[5197,18656,18658],{"className":5199,"code":18657,"language":5201,"meta":5202,"style":5202},"import { Transform } from 'node:stream';\nimport type { TransformCallback } from 'node:stream';\n\nclass GrepTransform extends Transform {\n  constructor(pattern, options) {\n    super({ ...options, encoding: 'utf8' });\n    this.pattern = new RegExp(pattern);\n    this.buffer = '';\n  }\n  \n  _transform(chunk, encoding, callback) {\n    this.buffer += chunk;\n    const lines = this.buffer.split('\\n');\n    this.buffer = lines.pop();\n    \n    for (const line of lines) {\n      if (this.pattern.test(line)) {\n        this.push(line + '\\n'); \u002F\u002F Пропускаємо лише рядки, що співпадають\n      }\n    }\n    \n    callback();\n  }\n  \n  _flush(callback) {\n    if (this.buffer && this.pattern.test(this.buffer)) {\n      this.push(this.buffer + '\\n');\n    }\n    callback();\n  }\n}\n\n\u002F\u002F Використання: фільтрація лише рядків з 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консоль\n",[5110,18659,18660,18676,18694,18698,18711,18726,18743,18763,18777,18781,18785,18803,18817,18845,18863,18867,18883,18906,18931,18935,18939,18943,18949,18953,18957,18967,19001,19027,19031,19037,19041,19045,19049,19054,19074,19092],{"__ignoreMap":5202},[5206,18661,18662,18664,18666,18668,18670,18672,18674],{"class":5208,"line":5209},[5206,18663,5213],{"class":5212},[5206,18665,5797],{"class":5227},[5206,18667,6508],{"class":5216},[5206,18669,5808],{"class":5227},[5206,18671,5811],{"class":5212},[5206,18673,17131],{"class":5223},[5206,18675,5228],{"class":5227},[5206,18677,18678,18680,18682,18684,18686,18688,18690,18692],{"class":5208,"line":5231},[5206,18679,5213],{"class":5212},[5206,18681,5794],{"class":5212},[5206,18683,5797],{"class":5227},[5206,18685,17144],{"class":5216},[5206,18687,5808],{"class":5227},[5206,18689,5811],{"class":5212},[5206,18691,17131],{"class":5223},[5206,18693,5228],{"class":5227},[5206,18695,18696],{"class":5208,"line":5238},[5206,18697,5235],{"emptyLinePlaceholder":5234},[5206,18699,18700,18702,18705,18707,18709],{"class":5208,"line":5245},[5206,18701,17166],{"class":5248},[5206,18703,18704],{"class":6694}," GrepTransform",[5206,18706,17172],{"class":5248},[5206,18708,17175],{"class":6694},[5206,18710,5960],{"class":5227},[5206,18712,18713,18715,18717,18720,18722,18724],{"class":5208,"line":5262},[5206,18714,17587],{"class":5248},[5206,18716,5292],{"class":5227},[5206,18718,18719],{"class":5216},"pattern",[5206,18721,5113],{"class":5227},[5206,18723,17602],{"class":5216},[5206,18725,6942],{"class":5227},[5206,18727,18728,18730,18733,18735,18737,18739,18741],{"class":5208,"line":5268},[5206,18729,17609],{"class":5248},[5206,18731,18732],{"class":5227},"({ ...",[5206,18734,17602],{"class":5216},[5206,18736,5113],{"class":5227},[5206,18738,7325],{"class":5216},[5206,18740,7087],{"class":5223},[5206,18742,7330],{"class":5227},[5206,18744,18745,18747,18749,18751,18753,18755,18757,18759,18761],{"class":5208,"line":5304},[5206,18746,17264],{"class":5248},[5206,18748,5286],{"class":5227},[5206,18750,18719],{"class":5216},[5206,18752,5278],{"class":5227},[5206,18754,17375],{"class":5248},[5206,18756,17809],{"class":5255},[5206,18758,5292],{"class":5227},[5206,18760,18719],{"class":5216},[5206,18762,5333],{"class":5227},[5206,18764,18765,18767,18769,18771,18773,18775],{"class":5208,"line":5310},[5206,18766,17264],{"class":5248},[5206,18768,5286],{"class":5227},[5206,18770,12808],{"class":5216},[5206,18772,5278],{"class":5227},[5206,18774,9347],{"class":5223},[5206,18776,5228],{"class":5227},[5206,18778,18779],{"class":5208,"line":5316},[5206,18780,7686],{"class":5227},[5206,18782,18783],{"class":5208,"line":5336},[5206,18784,5307],{"class":5227},[5206,18786,18787,18789,18791,18793,18795,18797,18799,18801],{"class":5208,"line":5341},[5206,18788,17182],{"class":5255},[5206,18790,5292],{"class":5227},[5206,18792,6688],{"class":5216},[5206,18794,5113],{"class":5227},[5206,18796,7187],{"class":5216},[5206,18798,5113],{"class":5227},[5206,18800,10379],{"class":5216},[5206,18802,6942],{"class":5227},[5206,18804,18805,18807,18809,18811,18813,18815],{"class":5208,"line":5347},[5206,18806,17264],{"class":5248},[5206,18808,5286],{"class":5227},[5206,18810,12808],{"class":5216},[5206,18812,8230],{"class":5227},[5206,18814,6688],{"class":5216},[5206,18816,5228],{"class":5227},[5206,18818,18819,18821,18823,18825,18827,18829,18831,18833,18835,18837,18839,18841,18843],{"class":5208,"line":5372},[5206,18820,12074],{"class":5248},[5206,18822,9082],{"class":5274},[5206,18824,5278],{"class":5227},[5206,18826,17726],{"class":5248},[5206,18828,5286],{"class":5227},[5206,18830,12808],{"class":5216},[5206,18832,5286],{"class":5227},[5206,18834,8310],{"class":5255},[5206,18836,5292],{"class":5227},[5206,18838,9095],{"class":5223},[5206,18840,9099],{"class":9098},[5206,18842,9095],{"class":5223},[5206,18844,5333],{"class":5227},[5206,18846,18847,18849,18851,18853,18855,18857,18859,18861],{"class":5208,"line":5451},[5206,18848,17264],{"class":5248},[5206,18850,5286],{"class":5227},[5206,18852,12808],{"class":5216},[5206,18854,5278],{"class":5227},[5206,18856,12831],{"class":5216},[5206,18858,5286],{"class":5227},[5206,18860,12836],{"class":5255},[5206,18862,8939],{"class":5227},[5206,18864,18865],{"class":5208,"line":5584},[5206,18866,5409],{"class":5227},[5206,18868,18869,18871,18873,18875,18877,18879,18881],{"class":5208,"line":5590},[5206,18870,12851],{"class":5212},[5206,18872,5504],{"class":5227},[5206,18874,5871],{"class":5248},[5206,18876,9115],{"class":5274},[5206,18878,6937],{"class":5248},[5206,18880,9082],{"class":5216},[5206,18882,6942],{"class":5227},[5206,18884,18885,18887,18889,18891,18893,18895,18897,18900,18902,18904],{"class":5208,"line":5596},[5206,18886,10935],{"class":5212},[5206,18888,5504],{"class":5227},[5206,18890,17726],{"class":5248},[5206,18892,5286],{"class":5227},[5206,18894,18719],{"class":5216},[5206,18896,5286],{"class":5227},[5206,18898,18899],{"class":5255},"test",[5206,18901,5292],{"class":5227},[5206,18903,5208],{"class":5216},[5206,18905,9143],{"class":5227},[5206,18907,18908,18910,18912,18914,18916,18918,18920,18922,18924,18926,18928],{"class":5208,"line":6019},[5206,18909,17829],{"class":5248},[5206,18911,5286],{"class":5227},[5206,18913,17269],{"class":5255},[5206,18915,5292],{"class":5227},[5206,18917,5208],{"class":5216},[5206,18919,9745],{"class":5227},[5206,18921,9095],{"class":5223},[5206,18923,9099],{"class":9098},[5206,18925,9095],{"class":5223},[5206,18927,5298],{"class":5227},[5206,18929,18930],{"class":5241},"\u002F\u002F Пропускаємо лише рядки, що співпадають\n",[5206,18932,18933],{"class":5208,"line":6051},[5206,18934,11038],{"class":5227},[5206,18936,18937],{"class":5208,"line":6056},[5206,18938,9179],{"class":5227},[5206,18940,18941],{"class":5208,"line":6062},[5206,18942,5409],{"class":5227},[5206,18944,18945,18947],{"class":5208,"line":6092},[5206,18946,17284],{"class":5255},[5206,18948,8939],{"class":5227},[5206,18950,18951],{"class":5208,"line":6097},[5206,18952,7686],{"class":5227},[5206,18954,18955],{"class":5208,"line":6103},[5206,18956,5307],{"class":5227},[5206,18958,18959,18961,18963,18965],{"class":5208,"line":6122},[5206,18960,17890],{"class":5255},[5206,18962,5292],{"class":5227},[5206,18964,10379],{"class":5216},[5206,18966,6942],{"class":5227},[5206,18968,18969,18971,18973,18975,18977,18979,18981,18983,18985,18987,18989,18991,18993,18995,18997,18999],{"class":5208,"line":6148},[5206,18970,9126],{"class":5212},[5206,18972,5504],{"class":5227},[5206,18974,17726],{"class":5248},[5206,18976,5286],{"class":5227},[5206,18978,12808],{"class":5216},[5206,18980,10889],{"class":5227},[5206,18982,17726],{"class":5248},[5206,18984,5286],{"class":5227},[5206,18986,18719],{"class":5216},[5206,18988,5286],{"class":5227},[5206,18990,18899],{"class":5255},[5206,18992,5292],{"class":5227},[5206,18994,17726],{"class":5248},[5206,18996,5286],{"class":5227},[5206,18998,12808],{"class":5216},[5206,19000,9143],{"class":5227},[5206,19002,19003,19005,19007,19009,19011,19013,19015,19017,19019,19021,19023,19025],{"class":5208,"line":8451},[5206,19004,17844],{"class":5248},[5206,19006,5286],{"class":5227},[5206,19008,17269],{"class":5255},[5206,19010,5292],{"class":5227},[5206,19012,17726],{"class":5248},[5206,19014,5286],{"class":5227},[5206,19016,12808],{"class":5216},[5206,19018,9745],{"class":5227},[5206,19020,9095],{"class":5223},[5206,19022,9099],{"class":9098},[5206,19024,9095],{"class":5223},[5206,19026,5333],{"class":5227},[5206,19028,19029],{"class":5208,"line":8482},[5206,19030,9179],{"class":5227},[5206,19032,19033,19035],{"class":5208,"line":8507},[5206,19034,17284],{"class":5255},[5206,19036,8939],{"class":5227},[5206,19038,19039],{"class":5208,"line":8549},[5206,19040,7686],{"class":5227},[5206,19042,19043],{"class":5208,"line":8554},[5206,19044,5375],{"class":5227},[5206,19046,19047],{"class":5208,"line":8559},[5206,19048,5235],{"emptyLinePlaceholder":5234},[5206,19050,19051],{"class":5208,"line":8586},[5206,19052,19053],{"class":5241},"\u002F\u002F Використання: фільтрація лише рядків з 'ERROR'\n",[5206,19055,19056,19058,19060,19062,19064,19066,19068,19070,19072],{"class":5208,"line":8611},[5206,19057,5879],{"class":5216},[5206,19059,5286],{"class":5227},[5206,19061,5884],{"class":5255},[5206,19063,5292],{"class":5227},[5206,19065,18059],{"class":5223},[5206,19067,7322],{"class":5227},[5206,19069,7325],{"class":5216},[5206,19071,7087],{"class":5223},[5206,19073,17364],{"class":5227},[5206,19075,19076,19078,19080,19082,19084,19086,19088,19090],{"class":5208,"line":8616},[5206,19077,6234],{"class":5227},[5206,19079,5970],{"class":5255},[5206,19081,5292],{"class":5227},[5206,19083,17375],{"class":5248},[5206,19085,18704],{"class":5255},[5206,19087,5292],{"class":5227},[5206,19089,9140],{"class":5223},[5206,19091,6273],{"class":5227},[5206,19093,19094,19096,19098,19100,19102,19104,19106,19108],{"class":5208,"line":8621},[5206,19095,6234],{"class":5227},[5206,19097,5970],{"class":5255},[5206,19099,5292],{"class":5227},[5206,19101,6065],{"class":5216},[5206,19103,5286],{"class":5227},[5206,19105,6083],{"class":5216},[5206,19107,5298],{"class":5227},[5206,19109,19110],{"class":5241},"\u002F\u002F Виведення у консоль\n",[5176,19112,19114],{"id":19113},"object-mode-робота-з-javascript-обєктами","Object Mode: робота з JavaScript-об'єктами",[5181,19116,19117,19118,17469,19120,19122,19123,19126],{},"За замовчуванням потоки працюють з ",[5110,19119,6695],{},[5110,19121,10277],{},". ",[5138,19124,19125],{},"Object Mode"," дозволяє передавати довільні JavaScript-об'єкти:",[5197,19128,19130],{"className":5199,"code":19129,"language":5201,"meta":5202,"style":5202},"import { Transform } from 'node:stream';\nimport type { TransformCallback } from 'node:stream';\nimport fs from 'node:fs';\nimport type { ReadStream, WriteStream } from 'node:fs';\nimport { parse } from 'csv-parse';\n\n\u002F\u002F Transform Stream для парсингу CSV у об'єкти\nfunction createCsvParser() {\n  return parse({\n    columns: true,      \u002F\u002F Перший рядок — заголовки\n    skip_empty_lines: true\n  });\n}\n\n\u002F\u002F Transform Stream для валідації користувачів\nclass UserValidator extends Transform {\n  constructor(options) {\n    super({ ...options, objectMode: true }); \u002F\u002F Увімкнути Object Mode\n  }\n  \n  _transform(user, encoding, callback) {\n    \u002F\u002F user — це JavaScript-об'єкт, а не Buffer\n    const errors = [];\n    \n    if (!user.email || !user.email.includes('@')) {\n      errors.push('Invalid email');\n    }\n    \n    if (!user.age || isNaN(user.age) || user.age \u003C 0) {\n      errors.push('Invalid age');\n    }\n    \n    if (errors.length === 0) {\n      \u002F\u002F Пропустити валідний об'єкт\n      this.push({\n        ...user,\n        age: parseInt(user.age, 10),\n        validated: true\n      });\n    } else {\n      \u002F\u002F Відхилити невалідний (або можна push з полем errors)\n      console.warn(`Відхилено користувача: ${user.email || 'unknown'} (${errors.join(', ')})`);\n    }\n    \n    callback();\n  }\n}\n\n\u002F\u002F Transform Stream для конвертації у JSON\nclass JsonStringifier extends Transform {\n  constructor(options) {\n    super({ ...options, objectMode: true, writableObjectMode: true, readableObjectMode: false });\n    this.first = true;\n  }\n  \n  _transform(obj, encoding, callback) {\n    const json = JSON.stringify(obj);\n    if (this.first) {\n      this.push('[' + json);\n      this.first = false;\n    } else {\n      this.push(',' + json);\n    }\n    callback();\n  }\n  \n  _flush(callback) {\n    this.push(']');\n    callback();\n  }\n}\n\n\u002F\u002F Конвеєр: CSV → Об'єкти → Валідація → JSON → Файл\nfs.createReadStream('users.csv', { encoding: 'utf8' })\n  .pipe(createCsvParser())           \u002F\u002F CSV → Об'єкти\n  .pipe(new UserValidator())         \u002F\u002F Валідація\n  .pipe(new JsonStringifier())       \u002F\u002F Об'єкти → JSON string\n  .pipe(fs.createWriteStream('valid-users.json'))\n  .on('finish', (): void => {\n    console.log('Обробку CSV завершено');\n  });\n",[5110,19131,19132,19148,19166,19178,19200,19218,19222,19227,19236,19247,19259,19266,19270,19274,19278,19283,19296,19306,19326,19330,19334,19353,19358,19368,19372,19404,19420,19424,19428,19470,19485,19489,19493,19512,19517,19527,19536,19558,19565,19570,19578,19583,19636,19640,19644,19650,19654,19658,19662,19667,19680,19690,19721,19736,19740,19744,19763,19786,19800,19820,19834,19842,19860,19864,19870,19874,19878,19888,19903,19909,19913,19917,19921,19926,19947,19965,19984,20003,20025,20044,20060],{"__ignoreMap":5202},[5206,19133,19134,19136,19138,19140,19142,19144,19146],{"class":5208,"line":5209},[5206,19135,5213],{"class":5212},[5206,19137,5797],{"class":5227},[5206,19139,6508],{"class":5216},[5206,19141,5808],{"class":5227},[5206,19143,5811],{"class":5212},[5206,19145,17131],{"class":5223},[5206,19147,5228],{"class":5227},[5206,19149,19150,19152,19154,19156,19158,19160,19162,19164],{"class":5208,"line":5231},[5206,19151,5213],{"class":5212},[5206,19153,5794],{"class":5212},[5206,19155,5797],{"class":5227},[5206,19157,17144],{"class":5216},[5206,19159,5808],{"class":5227},[5206,19161,5811],{"class":5212},[5206,19163,17131],{"class":5223},[5206,19165,5228],{"class":5227},[5206,19167,19168,19170,19172,19174,19176],{"class":5208,"line":5238},[5206,19169,5213],{"class":5212},[5206,19171,5217],{"class":5216},[5206,19173,5220],{"class":5212},[5206,19175,5785],{"class":5223},[5206,19177,5228],{"class":5227},[5206,19179,19180,19182,19184,19186,19188,19190,19192,19194,19196,19198],{"class":5208,"line":5245},[5206,19181,5213],{"class":5212},[5206,19183,5794],{"class":5212},[5206,19185,5797],{"class":5227},[5206,19187,5800],{"class":5216},[5206,19189,5113],{"class":5227},[5206,19191,5805],{"class":5216},[5206,19193,5808],{"class":5227},[5206,19195,5811],{"class":5212},[5206,19197,5785],{"class":5223},[5206,19199,5228],{"class":5227},[5206,19201,19202,19204,19206,19209,19211,19213,19216],{"class":5208,"line":5262},[5206,19203,5213],{"class":5212},[5206,19205,5797],{"class":5227},[5206,19207,19208],{"class":5216},"parse",[5206,19210,5808],{"class":5227},[5206,19212,5811],{"class":5212},[5206,19214,19215],{"class":5223}," 'csv-parse'",[5206,19217,5228],{"class":5227},[5206,19219,19220],{"class":5208,"line":5268},[5206,19221,5235],{"emptyLinePlaceholder":5234},[5206,19223,19224],{"class":5208,"line":5304},[5206,19225,19226],{"class":5241},"\u002F\u002F Transform Stream для парсингу CSV у об'єкти\n",[5206,19228,19229,19231,19234],{"class":5208,"line":5310},[5206,19230,7741],{"class":5248},[5206,19232,19233],{"class":5255}," createCsvParser",[5206,19235,5259],{"class":5227},[5206,19237,19238,19241,19244],{"class":5208,"line":5316},[5206,19239,19240],{"class":5212},"  return",[5206,19242,19243],{"class":5255}," parse",[5206,19245,19246],{"class":5227},"({\n",[5206,19248,19249,19252,19254,19256],{"class":5208,"line":5336},[5206,19250,19251],{"class":5216},"    columns:",[5206,19253,7149],{"class":5248},[5206,19255,7090],{"class":5227},[5206,19257,19258],{"class":5241},"\u002F\u002F Перший рядок — заголовки\n",[5206,19260,19261,19264],{"class":5208,"line":5341},[5206,19262,19263],{"class":5216},"    skip_empty_lines:",[5206,19265,10244],{"class":5248},[5206,19267,19268],{"class":5208,"line":5347},[5206,19269,8343],{"class":5227},[5206,19271,19272],{"class":5208,"line":5372},[5206,19273,5375],{"class":5227},[5206,19275,19276],{"class":5208,"line":5451},[5206,19277,5235],{"emptyLinePlaceholder":5234},[5206,19279,19280],{"class":5208,"line":5584},[5206,19281,19282],{"class":5241},"\u002F\u002F Transform Stream для валідації користувачів\n",[5206,19284,19285,19287,19290,19292,19294],{"class":5208,"line":5590},[5206,19286,17166],{"class":5248},[5206,19288,19289],{"class":6694}," UserValidator",[5206,19291,17172],{"class":5248},[5206,19293,17175],{"class":6694},[5206,19295,5960],{"class":5227},[5206,19297,19298,19300,19302,19304],{"class":5208,"line":5596},[5206,19299,17587],{"class":5248},[5206,19301,5292],{"class":5227},[5206,19303,17602],{"class":5216},[5206,19305,6942],{"class":5227},[5206,19307,19308,19310,19312,19314,19316,19319,19321,19323],{"class":5208,"line":6019},[5206,19309,17609],{"class":5248},[5206,19311,18732],{"class":5227},[5206,19313,17602],{"class":5216},[5206,19315,5113],{"class":5227},[5206,19317,19318],{"class":5216},"objectMode:",[5206,19320,7149],{"class":5248},[5206,19322,14306],{"class":5227},[5206,19324,19325],{"class":5241},"\u002F\u002F Увімкнути Object Mode\n",[5206,19327,19328],{"class":5208,"line":6051},[5206,19329,7686],{"class":5227},[5206,19331,19332],{"class":5208,"line":6056},[5206,19333,5307],{"class":5227},[5206,19335,19336,19338,19340,19343,19345,19347,19349,19351],{"class":5208,"line":6062},[5206,19337,17182],{"class":5255},[5206,19339,5292],{"class":5227},[5206,19341,19342],{"class":5216},"user",[5206,19344,5113],{"class":5227},[5206,19346,7187],{"class":5216},[5206,19348,5113],{"class":5227},[5206,19350,10379],{"class":5216},[5206,19352,6942],{"class":5227},[5206,19354,19355],{"class":5208,"line":6092},[5206,19356,19357],{"class":5241},"    \u002F\u002F user — це JavaScript-об'єкт, а не Buffer\n",[5206,19359,19360,19362,19365],{"class":5208,"line":6097},[5206,19361,12074],{"class":5248},[5206,19363,19364],{"class":5274}," errors",[5206,19366,19367],{"class":5227}," = 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Конвеєр: CSV → Об'єкти → Валідація → JSON → Файл\n",[5206,19927,19929,19931,19933,19935,19937,19939,19941,19943,19945],{"class":5208,"line":19928},74,[5206,19930,5879],{"class":5216},[5206,19932,5286],{"class":5227},[5206,19934,5884],{"class":5255},[5206,19936,5292],{"class":5227},[5206,19938,12435],{"class":5223},[5206,19940,7322],{"class":5227},[5206,19942,7325],{"class":5216},[5206,19944,7087],{"class":5223},[5206,19946,17364],{"class":5227},[5206,19948,19950,19952,19954,19956,19959,19962],{"class":5208,"line":19949},75,[5206,19951,6234],{"class":5227},[5206,19953,5970],{"class":5255},[5206,19955,5292],{"class":5227},[5206,19957,19958],{"class":5255},"createCsvParser",[5206,19960,19961],{"class":5227},"())           ",[5206,19963,19964],{"class":5241},"\u002F\u002F CSV → 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CSV завершено'",[5206,20059,5333],{"class":5227},[5206,20061,20063],{"class":5208,"line":20062},81,[5206,20064,8343],{"class":5227},[8644,20066,20068,20077,20086,20093,20097,20100,20110,20114],{"title":20067},"node csv-to-json.js",[8648,20069,20071,7956,20074],{"className":20070},[5208],[5206,20072,8655],{"className":20073},[8654],[5138,20075,20067],{"className":20076},[8659],[8648,20078,20080,20085],{"className":20079},[5208],[5206,20081,20084],{"className":20082},[20083],"text-yellow-400","WARN"," Відхилено користувача: invalid@example (Invalid age)",[8648,20087,20089,20092],{"className":20088},[5208],[5206,20090,20084],{"className":20091},[20083]," Відхилено користувача: unknown (Invalid email)",[8648,20094,20096],{"className":20095},[5208],"Обробку CSV завершено",[8648,20098],{"className":20099},[5208],[8648,20101,20103,7956,20106],{"className":20102},[5208],[5206,20104,8655],{"className":20105},[8654],[5138,20107,20109],{"className":20108},[8659],"cat valid-users.json",[8648,20111,20113],{"className":20112},[5208],"[{\"id\":\"1\",\"name\":\"John\",\"email\":\"john@example.com\",\"age\":30,\"validated\":true},",[8648,20115,20117],{"className":20116},[5208],"{\"id\":\"2\",\"name\":\"Jane\",\"email\":\"jane@example.com\",\"age\":25,\"validated\":true}]",[5694,20119,20120,20125,20128,20152,20155],{},[5181,20121,20122],{},[5138,20123,20124],{},"Налаштування Object Mode:",[5181,20126,20127],{},"Transform Streams підтримують три окремих налаштування для Object Mode:",[5092,20129,20130,20140,20146],{},[5095,20131,20132,20135,20136,20139],{},[5110,20133,20134],{},"objectMode: true"," — увімкнути для ",[5138,20137,20138],{},"обох"," сторін (readable та writable)",[5095,20141,20142,20145],{},[5110,20143,20144],{},"readableObjectMode: true"," — лише для вихідного потоку (читання)",[5095,20147,20148,20151],{},[5110,20149,20150],{},"writableObjectMode: true"," — лише для вхідного потоку (запису)",[5181,20153,20154],{},"Це дозволяє створювати потоки, які приймають об'єкти, а виводять буфери (або навпаки):",[5197,20156,20158],{"className":5199,"code":20157,"language":5201,"meta":5202,"style":5202},"\u002F\u002F Приймає об'єкти, виводить JSON-рядки\nnew Transform({\n  writableObjectMode: true,  \u002F\u002F Вхід: об'єкти\n  readableObjectMode: false  \u002F\u002F Вихід: рядки\u002Fбуфери\n});\n",[5110,20159,20160,20165,20173,20185,20195],{"__ignoreMap":5202},[5206,20161,20162],{"class":5208,"line":5209},[5206,20163,20164],{"class":5241},"\u002F\u002F Приймає об'єкти, виводить JSON-рядки\n",[5206,20166,20167,20169,20171],{"class":5208,"line":5231},[5206,20168,17375],{"class":5248},[5206,20170,17175],{"class":5255},[5206,20172,19246],{"class":5227},[5206,20174,20175,20178,20180,20182],{"class":5208,"line":5238},[5206,20176,20177],{"class":5216},"  writableObjectMode:",[5206,20179,7149],{"class":5248},[5206,20181,7110],{"class":5227},[5206,20183,20184],{"class":5241},"\u002F\u002F Вхід: об'єкти\n",[5206,20186,20187,20190,20192],{"class":5208,"line":5245},[5206,20188,20189],{"class":5216},"  readableObjectMode:",[5206,20191,19718],{"class":5248},[5206,20193,20194],{"class":5241},"  \u002F\u002F Вихід: рядки\u002Fбуфери\n",[5206,20196,20197],{"class":5208,"line":5262},[5206,20198,5984],{"class":5227},[5176,20200,20202],{"id":20201},"вбудовані-transform-streams-у-nodejs","Вбудовані Transform Streams у Node.js",[5181,20204,20205],{},"Node.js надає кілька готових Transform Streams:",[5197,20207,20209],{"className":5199,"code":20208,"language":5201,"meta":5202,"style":5202},"import zlib from 'node:zlib';\nimport crypto from 'node:crypto';\n\n\u002F\u002F 1. Стиснення та розпаковка (zlib)\nconst gzip = zlib.createGzip();\nconst gunzip = zlib.createGunzip();\nconst deflate = zlib.createDeflate();\nconst inflate = zlib.createInflate();\nconst brotli = zlib.createBrotliCompress();\n\n\u002F\u002F 2. Шифрування та розшифрування (crypto)\nconst cipher = crypto.createCipher('aes-256-cbc', 'password');\nconst decipher = crypto.createDecipher('aes-256-cbc', 'password');\n\n\u002F\u002F 3. Хешування (crypto)\nconst hash = crypto.createHash('sha256');\nhash.on('readable', () => {\n  const data = hash.read();\n  if (data) {\n    console.log('SHA256:', data.toString('hex'));\n  }\n});\n\nfs.createReadStream('file.txt').pipe(hash);\n\n\u002F\u002F 4. HMAC (crypto)\nconst hmac = crypto.createHmac('sha256', 'secret-key');\nfs.createReadStream('data.bin').pipe(hmac).pipe(process.stdout);\n",[5110,20210,20211,20223,20235,20239,20244,20260,20277,20295,20313,20331,20335,20340,20364,20390,20394,20399,20422,20441,20457,20467,20494,20498,20502,20506,20528,20532,20537,20564],{"__ignoreMap":5202},[5206,20212,20213,20215,20217,20219,20221],{"class":5208,"line":5209},[5206,20214,5213],{"class":5212},[5206,20216,5836],{"class":5216},[5206,20218,5220],{"class":5212},[5206,20220,5841],{"class":5223},[5206,20222,5228],{"class":5227},[5206,20224,20225,20227,20229,20231,20233],{"class":5208,"line":5231},[5206,20226,5213],{"class":5212},[5206,20228,5850],{"class":5216},[5206,20230,5220],{"class":5212},[5206,20232,5855],{"class":5223},[5206,20234,5228],{"class":5227},[5206,20236,20237],{"class":5208,"line":5238},[5206,20238,5235],{"emptyLinePlaceholder":5234},[5206,20240,20241],{"class":5208,"line":5245},[5206,20242,20243],{"class":5241},"\u002F\u002F 1. Стиснення та розпаковка (zlib)\n",[5206,20245,20246,20248,20250,20252,20254,20256,20258],{"class":5208,"line":5262},[5206,20247,5871],{"class":5248},[5206,20249,6000],{"class":5274},[5206,20251,5278],{"class":5227},[5206,20253,6005],{"class":5216},[5206,20255,5286],{"class":5227},[5206,20257,6010],{"class":5255},[5206,20259,8939],{"class":5227},[5206,20261,20262,20264,20267,20269,20271,20273,20275],{"class":5208,"line":5268},[5206,20263,5871],{"class":5248},[5206,20265,20266],{"class":5274}," gunzip",[5206,20268,5278],{"class":5227},[5206,20270,6005],{"class":5216},[5206,20272,5286],{"class":5227},[5206,20274,15043],{"class":5255},[5206,20276,8939],{"class":5227},[5206,20278,20279,20281,20284,20286,20288,20290,20293],{"class":5208,"line":5304},[5206,20280,5871],{"class":5248},[5206,20282,20283],{"class":5274}," deflate",[5206,20285,5278],{"class":5227},[5206,20287,6005],{"class":5216},[5206,20289,5286],{"class":5227},[5206,20291,20292],{"class":5255},"createDeflate",[5206,20294,8939],{"class":5227},[5206,20296,20297,20299,20302,20304,20306,20308,20311],{"class":5208,"line":5310},[5206,20298,5871],{"class":5248},[5206,20300,20301],{"class":5274}," inflate",[5206,20303,5278],{"class":5227},[5206,20305,6005],{"class":5216},[5206,20307,5286],{"class":5227},[5206,20309,20310],{"class":5255},"createInflate",[5206,20312,8939],{"class":5227},[5206,20314,20315,20317,20320,20322,20324,20326,20329],{"class":5208,"line":5316},[5206,20316,5871],{"class":5248},[5206,20318,20319],{"class":5274}," brotli",[5206,20321,5278],{"class":5227},[5206,20323,6005],{"class":5216},[5206,20325,5286],{"class":5227},[5206,20327,20328],{"class":5255},"createBrotliCompress",[5206,20330,8939],{"class":5227},[5206,20332,20333],{"class":5208,"line":5336},[5206,20334,5235],{"emptyLinePlaceholder":5234},[5206,20336,20337],{"class":5208,"line":5341},[5206,20338,20339],{"class":5241},"\u002F\u002F 2. Шифрування та розшифрування (crypto)\n",[5206,20341,20342,20344,20346,20348,20350,20352,20354,20356,20358,20360,20362],{"class":5208,"line":5347},[5206,20343,5871],{"class":5248},[5206,20345,6024],{"class":5274},[5206,20347,5278],{"class":5227},[5206,20349,6029],{"class":5216},[5206,20351,5286],{"class":5227},[5206,20353,6034],{"class":5255},[5206,20355,5292],{"class":5227},[5206,20357,6039],{"class":5223},[5206,20359,5113],{"class":5227},[5206,20361,6044],{"class":5223},[5206,20363,5333],{"class":5227},[5206,20365,20366,20368,20371,20373,20375,20377,20380,20382,20384,20386,20388],{"class":5208,"line":5372},[5206,20367,5871],{"class":5248},[5206,20369,20370],{"class":5274}," decipher",[5206,20372,5278],{"class":5227},[5206,20374,6029],{"class":5216},[5206,20376,5286],{"class":5227},[5206,20378,20379],{"class":5255},"createDecipher",[5206,20381,5292],{"class":5227},[5206,20383,6039],{"class":5223},[5206,20385,5113],{"class":5227},[5206,20387,6044],{"class":5223},[5206,20389,5333],{"class":5227},[5206,20391,20392],{"class":5208,"line":5451},[5206,20393,5235],{"emptyLinePlaceholder":5234},[5206,20395,20396],{"class":5208,"line":5584},[5206,20397,20398],{"class":5241},"\u002F\u002F 3. Хешування (crypto)\n",[5206,20400,20401,20403,20406,20408,20410,20412,20415,20417,20420],{"class":5208,"line":5590},[5206,20402,5871],{"class":5248},[5206,20404,20405],{"class":5274}," hash",[5206,20407,5278],{"class":5227},[5206,20409,6029],{"class":5216},[5206,20411,5286],{"class":5227},[5206,20413,20414],{"class":5255},"createHash",[5206,20416,5292],{"class":5227},[5206,20418,20419],{"class":5223},"'sha256'",[5206,20421,5333],{"class":5227},[5206,20423,20424,20427,20429,20431,20433,20435,20437,20439],{"class":5208,"line":5596},[5206,20425,20426],{"class":5216},"hash",[5206,20428,5286],{"class":5227},[5206,20430,6677],{"class":5255},[5206,20432,5292],{"class":5227},[5206,20434,7586],{"class":5223},[5206,20436,7589],{"class":5227},[5206,20438,5957],{"class":5248},[5206,20440,5960],{"class":5227},[5206,20442,20443,20445,20447,20449,20451,20453,20455],{"class":5208,"line":6019},[5206,20444,5271],{"class":5248},[5206,20446,5275],{"class":5274},[5206,20448,5278],{"class":5227},[5206,20450,20426],{"class":5216},[5206,20452,5286],{"class":5227},[5206,20454,7630],{"class":5255},[5206,20456,8939],{"class":5227},[5206,20458,20459,20461,20463,20465],{"class":5208,"line":6051},[5206,20460,8894],{"class":5212},[5206,20462,5504],{"class":5227},[5206,20464,5112],{"class":5216},[5206,20466,6942],{"class":5227},[5206,20468,20469,20471,20473,20475,20477,20480,20482,20484,20486,20488,20490,20492],{"class":5208,"line":6056},[5206,20470,7642],{"class":5216},[5206,20472,5286],{"class":5227},[5206,20474,6711],{"class":5255},[5206,20476,5292],{"class":5227},[5206,20478,20479],{"class":5223},"'SHA256:'",[5206,20481,5113],{"class":5227},[5206,20483,5112],{"class":5216},[5206,20485,5286],{"class":5227},[5206,20487,7777],{"class":5255},[5206,20489,5292],{"class":5227},[5206,20491,7219],{"class":5223},[5206,20493,7800],{"class":5227},[5206,20495,20496],{"class":5208,"line":6062},[5206,20497,7686],{"class":5227},[5206,20499,20500],{"class":5208,"line":6092},[5206,20501,5984],{"class":5227},[5206,20503,20504],{"class":5208,"line":6097},[5206,20505,5235],{"emptyLinePlaceholder":5234},[5206,20507,20508,20510,20512,20514,20516,20518,20520,20522,20524,20526],{"class":5208,"line":6103},[5206,20509,5879],{"class":5216},[5206,20511,5286],{"class":5227},[5206,20513,5884],{"class":5255},[5206,20515,5292],{"class":5227},[5206,20517,9958],{"class":5223},[5206,20519,7784],{"class":5227},[5206,20521,5970],{"class":5255},[5206,20523,5292],{"class":5227},[5206,20525,20426],{"class":5216},[5206,20527,5333],{"class":5227},[5206,20529,20530],{"class":5208,"line":6122},[5206,20531,5235],{"emptyLinePlaceholder":5234},[5206,20533,20534],{"class":5208,"line":6148},[5206,20535,20536],{"class":5241},"\u002F\u002F 4. HMAC (crypto)\n",[5206,20538,20539,20541,20544,20546,20548,20550,20553,20555,20557,20559,20562],{"class":5208,"line":8451},[5206,20540,5871],{"class":5248},[5206,20542,20543],{"class":5274}," hmac",[5206,20545,5278],{"class":5227},[5206,20547,6029],{"class":5216},[5206,20549,5286],{"class":5227},[5206,20551,20552],{"class":5255},"createHmac",[5206,20554,5292],{"class":5227},[5206,20556,20419],{"class":5223},[5206,20558,5113],{"class":5227},[5206,20560,20561],{"class":5223},"'secret-key'",[5206,20563,5333],{"class":5227},[5206,20565,20566,20568,20570,20572,20574,20577,20579,20581,20583,20586,20588,20590,20592,20594,20596,20598],{"class":5208,"line":8482},[5206,20567,5879],{"class":5216},[5206,20569,5286],{"class":5227},[5206,20571,5884],{"class":5255},[5206,20573,5292],{"class":5227},[5206,20575,20576],{"class":5223},"'data.bin'",[5206,20578,7784],{"class":5227},[5206,20580,5970],{"class":5255},[5206,20582,5292],{"class":5227},[5206,20584,20585],{"class":5216},"hmac",[5206,20587,7784],{"class":5227},[5206,20589,5970],{"class":5255},[5206,20591,5292],{"class":5227},[5206,20593,6065],{"class":5216},[5206,20595,5286],{"class":5227},[5206,20597,6083],{"class":5216},[5206,20599,5333],{"class":5227},[9916,20601,20602,20816],{},[9919,20603,20605,20620,20809],{"icon":9921,"label":20604},"❓ Чи можна використовувати async\u002Fawait у _transform()?",[5181,20606,20607,20608,5187,20610,7956,20613,7956,20616,20619],{},"Методи ",[5110,20609,17110],{},[5110,20611,20612],{},"_flush()",[5138,20614,20615],{},"не підтримують",[5110,20617,20618],{},"async\u002Fawait"," напряму, оскільки вони працюють через callback-архітектуру. Проте можна обгорнути асинхронну логіку:",[5197,20621,20623],{"className":5199,"code":20622,"language":5201,"meta":5202,"style":5202},"class AsyncTransform extends Transform {\n  _transform(chunk, encoding, callback) {\n    this.processAsync(chunk)\n      .then((result) => {\n        this.push(result);\n        callback();\n      })\n      .catch((error) => {\n        callback(error);\n      });\n  }\n  \n  async processAsync(chunk) {\n    \u002F\u002F Асинхронна обробка\n    const result = await someAsyncOperation(chunk);\n    return result;\n  }\n}\n",[5110,20624,20625,20638,20656,20671,20690,20704,20711,20716,20732,20742,20746,20750,20754,20768,20773,20793,20801,20805],{"__ignoreMap":5202},[5206,20626,20627,20629,20632,20634,20636],{"class":5208,"line":5209},[5206,20628,17166],{"class":5248},[5206,20630,20631],{"class":6694}," AsyncTransform",[5206,20633,17172],{"class":5248},[5206,20635,17175],{"class":6694},[5206,20637,5960],{"class":5227},[5206,20639,20640,20642,20644,20646,20648,20650,20652,20654],{"class":5208,"line":5231},[5206,20641,17182],{"class":5255},[5206,20643,5292],{"class":5227},[5206,20645,6688],{"class":5216},[5206,20647,5113],{"class":5227},[5206,20649,7187],{"class":5216},[5206,20651,5113],{"class":5227},[5206,20653,10379],{"class":5216},[5206,20655,6942],{"class":5227},[5206,20657,20658,20660,20662,20665,20667,20669],{"class":5208,"line":5238},[5206,20659,17264],{"class":5248},[5206,20661,5286],{"class":5227},[5206,20663,20664],{"class":5255},"processAsync",[5206,20666,5292],{"class":5227},[5206,20668,6688],{"class":5216},[5206,20670,6229],{"class":5227},[5206,20672,20673,20676,20679,20681,20684,20686,20688],{"class":5208,"line":5245},[5206,20674,20675],{"class":5227},"      .",[5206,20677,20678],{"class":5255},"then",[5206,20680,5943],{"class":5227},[5206,20682,20683],{"class":5216},"result",[5206,20685,5954],{"class":5227},[5206,20687,5957],{"class":5248},[5206,20689,5960],{"class":5227},[5206,20691,20692,20694,20696,20698,20700,20702],{"class":5208,"line":5262},[5206,20693,17829],{"class":5248},[5206,20695,5286],{"class":5227},[5206,20697,17269],{"class":5255},[5206,20699,5292],{"class":5227},[5206,20701,20683],{"class":5216},[5206,20703,5333],{"class":5227},[5206,20705,20706,20709],{"class":5208,"line":5268},[5206,20707,20708],{"class":5255},"        callback",[5206,20710,8939],{"class":5227},[5206,20712,20713],{"class":5208,"line":5304},[5206,20714,20715],{"class":5227},"      })\n",[5206,20717,20718,20720,20722,20724,20726,20728,20730],{"class":5208,"line":5310},[5206,20719,20675],{"class":5227},[5206,20721,15363],{"class":5255},[5206,20723,5943],{"class":5227},[5206,20725,5119],{"class":5216},[5206,20727,5954],{"class":5227},[5206,20729,5957],{"class":5248},[5206,20731,5960],{"class":5227},[5206,20733,20734,20736,20738,20740],{"class":5208,"line":5316},[5206,20735,20708],{"class":5255},[5206,20737,5292],{"class":5227},[5206,20739,5119],{"class":5216},[5206,20741,5333],{"class":5227},[5206,20743,20744],{"class":5208,"line":5336},[5206,20745,19569],{"class":5227},[5206,20747,20748],{"class":5208,"line":5341},[5206,20749,7686],{"class":5227},[5206,20751,20752],{"class":5208,"line":5347},[5206,20753,5307],{"class":5227},[5206,20755,20756,20759,20762,20764,20766],{"class":5208,"line":5372},[5206,20757,20758],{"class":5248},"  async",[5206,20760,20761],{"class":5255}," processAsync",[5206,20763,5292],{"class":5227},[5206,20765,6688],{"class":5216},[5206,20767,6942],{"class":5227},[5206,20769,20770],{"class":5208,"line":5451},[5206,20771,20772],{"class":5241},"    \u002F\u002F Асинхронна обробка\n",[5206,20774,20775,20777,20780,20782,20784,20787,20789,20791],{"class":5208,"line":5584},[5206,20776,12074],{"class":5248},[5206,20778,20779],{"class":5274}," result",[5206,20781,5278],{"class":5227},[5206,20783,5281],{"class":5212},[5206,20785,20786],{"class":5255}," someAsyncOperation",[5206,20788,5292],{"class":5227},[5206,20790,6688],{"class":5216},[5206,20792,5333],{"class":5227},[5206,20794,20795,20797,20799],{"class":5208,"line":5590},[5206,20796,9641],{"class":5212},[5206,20798,20779],{"class":5216},[5206,20800,5228],{"class":5227},[5206,20802,20803],{"class":5208,"line":5596},[5206,20804,7686],{"class":5227},[5206,20806,20807],{"class":5208,"line":6019},[5206,20808,5375],{"class":5227},[5181,20810,20811,20812,20815],{},"Альтернативно, у Node.js 16+ можна використовувати ",[5110,20813,20814],{},"stream.Duplex.from(asyncGenerator)"," для створення потоків з async generators.",[9919,20817,20819,20824,21018],{"icon":9921,"label":20818},"❓ Як обмежити швидкість обробки (throttling)?",[5181,20820,20821,20822,6546],{},"Для обмеження швидкості потоку (наприклад, для симуляції повільної мережі) можна додати затримку у ",[5110,20823,17110],{},[5197,20825,20827],{"className":5199,"code":20826,"language":5201,"meta":5202,"style":5202},"class ThrottleTransform extends Transform {\n  constructor(delayMs, options) {\n    super(options);\n    this.delayMs = delayMs;\n  }\n  \n  _transform(chunk, encoding, callback) {\n    setTimeout(() => {\n      this.push(chunk);\n      callback();\n    }, this.delayMs);\n  }\n}\n\n\u002F\u002F Симуляція мережі зі швидкістю ~1 МБ\u002Fсек (1 КБ за 1 мс)\nfs.createReadStream('file.txt', { highWaterMark: 1024 })\n  .pipe(new ThrottleTransform(1))\n  .pipe(destination);\n",[5110,20828,20829,20842,20857,20867,20881,20885,20889,20907,20917,20931,20938,20950,20954,20958,20962,20967,20988,21006],{"__ignoreMap":5202},[5206,20830,20831,20833,20836,20838,20840],{"class":5208,"line":5209},[5206,20832,17166],{"class":5248},[5206,20834,20835],{"class":6694}," ThrottleTransform",[5206,20837,17172],{"class":5248},[5206,20839,17175],{"class":6694},[5206,20841,5960],{"class":5227},[5206,20843,20844,20846,20848,20851,20853,20855],{"class":5208,"line":5231},[5206,20845,17587],{"class":5248},[5206,20847,5292],{"class":5227},[5206,20849,20850],{"class":5216},"delayMs",[5206,20852,5113],{"class":5227},[5206,20854,17602],{"class":5216},[5206,20856,6942],{"class":5227},[5206,20858,20859,20861,20863,20865],{"class":5208,"line":5238},[5206,20860,17609],{"class":5248},[5206,20862,5292],{"class":5227},[5206,20864,17602],{"class":5216},[5206,20866,5333],{"class":5227},[5206,20868,20869,20871,20873,20875,20877,20879],{"class":5208,"line":5245},[5206,20870,17264],{"class":5248},[5206,20872,5286],{"class":5227},[5206,20874,20850],{"class":5216},[5206,20876,5278],{"class":5227},[5206,20878,20850],{"class":5216},[5206,20880,5228],{"class":5227},[5206,20882,20883],{"class":5208,"line":5262},[5206,20884,7686],{"class":5227},[5206,20886,20887],{"class":5208,"line":5268},[5206,20888,5307],{"class":5227},[5206,20890,20891,20893,20895,20897,20899,20901,20903,20905],{"class":5208,"line":5304},[5206,20892,17182],{"class":5255},[5206,20894,5292],{"class":5227},[5206,20896,6688],{"class":5216},[5206,20898,5113],{"class":5227},[5206,20900,7187],{"class":5216},[5206,20902,5113],{"class":5227},[5206,20904,10379],{"class":5216},[5206,20906,6942],{"class":5227},[5206,20908,20909,20911,20913,20915],{"class":5208,"line":5310},[5206,20910,8948],{"class":5255},[5206,20912,8951],{"class":5227},[5206,20914,5957],{"class":5248},[5206,20916,5960],{"class":5227},[5206,20918,20919,20921,20923,20925,20927,20929],{"class":5208,"line":5316},[5206,20920,17844],{"class":5248},[5206,20922,5286],{"class":5227},[5206,20924,17269],{"class":5255},[5206,20926,5292],{"class":5227},[5206,20928,6688],{"class":5216},[5206,20930,5333],{"class":5227},[5206,20932,20933,20936],{"class":5208,"line":5336},[5206,20934,20935],{"class":5255},"      callback",[5206,20937,8939],{"class":5227},[5206,20939,20940,20942,20944,20946,20948],{"class":5208,"line":5341},[5206,20941,8988],{"class":5227},[5206,20943,17726],{"class":5248},[5206,20945,5286],{"class":5227},[5206,20947,20850],{"class":5216},[5206,20949,5333],{"class":5227},[5206,20951,20952],{"class":5208,"line":5347},[5206,20953,7686],{"class":5227},[5206,20955,20956],{"class":5208,"line":5372},[5206,20957,5375],{"class":5227},[5206,20959,20960],{"class":5208,"line":5451},[5206,20961,5235],{"emptyLinePlaceholder":5234},[5206,20963,20964],{"class":5208,"line":5584},[5206,20965,20966],{"class":5241},"\u002F\u002F Симуляція мережі зі швидкістю ~1 МБ\u002Fсек (1 КБ за 1 мс)\n",[5206,20968,20969,20971,20973,20975,20977,20979,20981,20984,20986],{"class":5208,"line":5590},[5206,20970,5879],{"class":5216},[5206,20972,5286],{"class":5227},[5206,20974,5884],{"class":5255},[5206,20976,5292],{"class":5227},[5206,20978,9958],{"class":5223},[5206,20980,7322],{"class":5227},[5206,20982,20983],{"class":5216},"highWaterMark:",[5206,20985,14604],{"class":5754},[5206,20987,17364],{"class":5227},[5206,20989,20990,20992,20994,20996,20998,21000,21002,21004],{"class":5208,"line":5596},[5206,20991,6234],{"class":5227},[5206,20993,5970],{"class":5255},[5206,20995,5292],{"class":5227},[5206,20997,17375],{"class":5248},[5206,20999,20835],{"class":5255},[5206,21001,5292],{"class":5227},[5206,21003,9673],{"class":5754},[5206,21005,6273],{"class":5227},[5206,21007,21008,21010,21012,21014,21016],{"class":5208,"line":6019},[5206,21009,6234],{"class":5227},[5206,21011,5970],{"class":5255},[5206,21013,5292],{"class":5227},[5206,21015,13793],{"class":5216},[5206,21017,5333],{"class":5227},[5181,21019,21020,21021,5286],{},"Для реального rate limiting краще використовувати бібліотеки типу ",[5110,21022,21023],{},"stream-throttle",[5171,21025,21027],{"id":21026},"streams-у-реальних-сценаріях","Streams у реальних сценаріях",[5176,21029,21031],{"id":21030},"http-сервер-з-потоковим-завантаженням-файлів","HTTP-сервер з потоковим завантаженням файлів",[5197,21033,21035],{"className":5199,"code":21034,"language":5201,"meta":5202,"style":5202},"import http from 'node:http';\nimport fs from 'node:fs';\nimport type { ReadStream, WriteStream } from 'node:fs';\nimport path from 'node:path';\nimport { pipeline } from 'node:stream\u002Fpromises';\n\nconst UPLOAD_DIR = '.\u002Fuploads';\n\n\u002F\u002F Створення директорії для завантажень\nif (!fs.existsSync(UPLOAD_DIR)) {\n  fs.mkdirSync(UPLOAD_DIR, { recursive: true });\n}\n\nconst server = http.createServer(async (req, res) => {\n  if (req.method === 'POST' && req.url === '\u002Fupload') {\n    const filename = req.headers['x-filename'] || `upload-${Date.now()}.bin`;\n    const filepath = path.join(UPLOAD_DIR, filename);\n    \n    \u002F\u002F Обмеження розміру файлу\n    const maxSize = 100 * 1024 * 1024; \u002F\u002F 100 МБ\n    let uploadedBytes = 0;\n    \n    const writeStream = fs.createWriteStream(filepath);\n    \n    \u002F\u002F Моніторинг прогресу\n    req.on('data', (chunk: Buffer) => {\n      uploadedBytes += chunk.length;\n      \n      if (uploadedBytes > maxSize) {\n        req.destroy();\n        writeStream.destroy();\n        \n        \u002F\u002F Видалення частково завантаженого файлу\n        fs.unlink(filepath, () => {});\n        \n        res.writeHead(413, { 'Content-Type': 'application\u002Fjson' });\n        res.end(JSON.stringify({ error: 'File too large' }));\n      }\n    });\n    \n    try {\n      await pipeline(req, writeStream);\n      \n      res.writeHead(201, { 'Content-Type': 'application\u002Fjson' });\n      res.end(JSON.stringify({\n        message: 'File uploaded successfully',\n        filename,\n        size: uploadedBytes\n      }));\n    } catch (error) {\n      console.error('Upload error:', error);\n      \n      \u002F\u002F Очищення при помилці\n      try {\n        await fs.promises.unlink(filepath);\n      } catch {}\n      \n      if (!res.headersSent) {\n        res.writeHead(500, { 'Content-Type': 'application\u002Fjson' });\n        res.end(JSON.stringify({ error: 'Upload failed' }));\n      }\n    }\n  } else {\n    res.writeHead(404);\n    res.end('Not found');\n  }\n});\n\nserver.listen(3000, () => {\n  console.log('Upload server running on http:\u002F\u002F127.0.0.1:3000');\n  console.log('Upload files: curl -X POST -H \"X-Filename: test.txt\" --data-binary @file.txt http:\u002F\u002F127.0.0.1:3000\u002Fupload');\n});\n",[5110,21036,21037,21049,21061,21083,21095,21111,21115,21129,21133,21138,21158,21180,21184,21188,21220,21253,21297,21322,21326,21331,21356,21369,21373,21394,21398,21403,21430,21445,21449,21466,21477,21487,21492,21497,21517,21521,21546,21573,21577,21581,21585,21591,21607,21611,21634,21652,21662,21669,21677,21682,21694,21713,21717,21722,21729,21750,21758,21762,21777,21800,21825,21829,21833,21841,21855,21870,21874,21878,21882,21900,21915,21930],{"__ignoreMap":5202},[5206,21038,21039,21041,21043,21045,21047],{"class":5208,"line":5209},[5206,21040,5213],{"class":5212},[5206,21042,5822],{"class":5216},[5206,21044,5220],{"class":5212},[5206,21046,5827],{"class":5223},[5206,21048,5228],{"class":5227},[5206,21050,21051,21053,21055,21057,21059],{"class":5208,"line":5231},[5206,21052,5213],{"class":5212},[5206,21054,5217],{"class":5216},[5206,21056,5220],{"class":5212},[5206,21058,5785],{"class":5223},[5206,21060,5228],{"class":5227},[5206,21062,21063,21065,21067,21069,21071,21073,21075,21077,21079,21081],{"class":5208,"line":5238},[5206,21064,5213],{"class":5212},[5206,21066,5794],{"class":5212},[5206,21068,5797],{"class":5227},[5206,21070,5800],{"class":5216},[5206,21072,5113],{"class":5227},[5206,21074,5805],{"class":5216},[5206,21076,5808],{"class":5227},[5206,21078,5811],{"class":5212},[5206,21080,5785],{"class":5223},[5206,21082,5228],{"class":5227},[5206,21084,21085,21087,21089,21091,21093],{"class":5208,"line":5245},[5206,21086,5213],{"class":5212},[5206,21088,16574],{"class":5216},[5206,21090,5220],{"class":5212},[5206,21092,16579],{"class":5223},[5206,21094,5228],{"class":5227},[5206,21096,21097,21099,21101,21103,21105,21107,21109],{"class":5208,"line":5262},[5206,21098,5213],{"class":5212},[5206,21100,5797],{"class":5227},[5206,21102,15172],{"class":5216},[5206,21104,5808],{"class":5227},[5206,21106,5811],{"class":5212},[5206,21108,15179],{"class":5223},[5206,21110,5228],{"class":5227},[5206,21112,21113],{"class":5208,"line":5268},[5206,21114,5235],{"emptyLinePlaceholder":5234},[5206,21116,21117,21119,21122,21124,21127],{"class":5208,"line":5304},[5206,21118,5871],{"class":5248},[5206,21120,21121],{"class":5274}," UPLOAD_DIR",[5206,21123,5278],{"class":5227},[5206,21125,21126],{"class":5223},"'.\u002Fuploads'",[5206,21128,5228],{"class":5227},[5206,21130,21131],{"class":5208,"line":5310},[5206,21132,5235],{"emptyLinePlaceholder":5234},[5206,21134,21135],{"class":5208,"line":5316},[5206,21136,21137],{"class":5241},"\u002F\u002F Створення директорії для завантажень\n",[5206,21139,21140,21142,21144,21146,21148,21151,21153,21156],{"class":5208,"line":5336},[5206,21141,11302],{"class":5212},[5206,21143,9601],{"class":5227},[5206,21145,5879],{"class":5216},[5206,21147,5286],{"class":5227},[5206,21149,21150],{"class":5255},"existsSync",[5206,21152,5292],{"class":5227},[5206,21154,21155],{"class":5274},"UPLOAD_DIR",[5206,21157,9143],{"class":5227},[5206,21159,21160,21162,21164,21167,21169,21171,21173,21176,21178],{"class":5208,"line":5341},[5206,21161,15018],{"class":5216},[5206,21163,5286],{"class":5227},[5206,21165,21166],{"class":5255},"mkdirSync",[5206,21168,5292],{"class":5227},[5206,21170,21155],{"class":5274},[5206,21172,7322],{"class":5227},[5206,21174,21175],{"class":5216},"recursive:",[5206,21177,7149],{"class":5248},[5206,21179,7330],{"class":5227},[5206,21181,21182],{"class":5208,"line":5347},[5206,21183,5375],{"class":5227},[5206,21185,21186],{"class":5208,"line":5372},[5206,21187,5235],{"emptyLinePlaceholder":5234},[5206,21189,21190,21192,21194,21196,21198,21200,21202,21204,21206,21208,21210,21212,21214,21216,21218],{"class":5208,"line":5451},[5206,21191,5871],{"class":5248},[5206,21193,16592],{"class":5274},[5206,21195,5278],{"class":5227},[5206,21197,5935],{"class":5216},[5206,21199,5286],{"class":5227},[5206,21201,5940],{"class":5255},[5206,21203,5292],{"class":5227},[5206,21205,5249],{"class":5248},[5206,21207,5504],{"class":5227},[5206,21209,5946],{"class":5216},[5206,21211,5113],{"class":5227},[5206,21213,5951],{"class":5216},[5206,21215,5954],{"class":5227},[5206,21217,5957],{"class":5248},[5206,21219,5960],{"class":5227},[5206,21221,21222,21224,21226,21228,21230,21233,21235,21238,21240,21242,21244,21246,21248,21251],{"class":5208,"line":5584},[5206,21223,8894],{"class":5212},[5206,21225,5504],{"class":5227},[5206,21227,5946],{"class":5216},[5206,21229,5286],{"class":5227},[5206,21231,21232],{"class":5216},"method",[5206,21234,8907],{"class":5227},[5206,21236,21237],{"class":5223},"'POST'",[5206,21239,10889],{"class":5227},[5206,21241,5946],{"class":5216},[5206,21243,5286],{"class":5227},[5206,21245,16654],{"class":5216},[5206,21247,8907],{"class":5227},[5206,21249,21250],{"class":5223},"'\u002Fupload'",[5206,21252,6942],{"class":5227},[5206,21254,21255,21257,21260,21262,21264,21266,21269,21271,21274,21277,21280,21282,21284,21286,21288,21290,21292,21295],{"class":5208,"line":5590},[5206,21256,12074],{"class":5248},[5206,21258,21259],{"class":5274}," filename",[5206,21261,5278],{"class":5227},[5206,21263,5946],{"class":5216},[5206,21265,5286],{"class":5227},[5206,21267,21268],{"class":5216},"headers",[5206,21270,9670],{"class":5227},[5206,21272,21273],{"class":5223},"'x-filename'",[5206,21275,21276],{"class":5227},"] || ",[5206,21278,21279],{"class":5223},"`upload-",[5206,21281,8398],{"class":5248},[5206,21283,11576],{"class":5216},[5206,21285,5286],{"class":8404},[5206,21287,11581],{"class":5255},[5206,21289,8410],{"class":8404},[5206,21291,8413],{"class":5248},[5206,21293,21294],{"class":5223},".bin`",[5206,21296,5228],{"class":5227},[5206,21298,21299,21301,21304,21306,21308,21310,21312,21314,21316,21318,21320],{"class":5208,"line":5596},[5206,21300,12074],{"class":5248},[5206,21302,21303],{"class":5274}," 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МБ\n",[5206,21357,21358,21360,21363,21365,21367],{"class":5208,"line":6062},[5206,21359,10853],{"class":5248},[5206,21361,21362],{"class":5216}," uploadedBytes",[5206,21364,5278],{"class":5227},[5206,21366,7792],{"class":5754},[5206,21368,5228],{"class":5227},[5206,21370,21371],{"class":5208,"line":6092},[5206,21372,5409],{"class":5227},[5206,21374,21375,21377,21379,21381,21383,21385,21387,21389,21392],{"class":5208,"line":6097},[5206,21376,12074],{"class":5248},[5206,21378,5902],{"class":5274},[5206,21380,5278],{"class":5227},[5206,21382,5879],{"class":5216},[5206,21384,5286],{"class":5227},[5206,21386,5911],{"class":5255},[5206,21388,5292],{"class":5227},[5206,21390,21391],{"class":5216},"filepath",[5206,21393,5333],{"class":5227},[5206,21395,21396],{"class":5208,"line":6103},[5206,21397,5409],{"class":5227},[5206,21399,21400],{"class":5208,"line":6122},[5206,21401,21402],{"class":5241},"    \u002F\u002F Моніторинг 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залишок\n",[5206,22773,22774,22776,22778,22780,22782,22784],{"class":5208,"line":12296},[5206,22775,9126],{"class":5212},[5206,22777,5504],{"class":5227},[5206,22779,22396],{"class":5216},[5206,22781,21460],{"class":5227},[5206,22783,7792],{"class":5754},[5206,22785,6942],{"class":5227},[5206,22787,22788,22790,22792,22794,22796,22798,22800,22802,22804,22806,22808,22810],{"class":5208,"line":12327},[5206,22789,17844],{"class":5248},[5206,22791,5286],{"class":5227},[5206,22793,12808],{"class":5216},[5206,22795,5278],{"class":5227},[5206,22797,17726],{"class":5248},[5206,22799,5286],{"class":5227},[5206,22801,12808],{"class":5216},[5206,22803,5286],{"class":5227},[5206,22805,7787],{"class":5255},[5206,22807,5292],{"class":5227},[5206,22809,22396],{"class":5216},[5206,22811,5333],{"class":5227},[5206,22813,22814],{"class":5208,"line":12332},[5206,22815,9179],{"class":5227},[5206,22817,22818],{"class":5208,"line":12337},[5206,22819,5409],{"class":5227},[5206,22821,22822,22824],{"class":5208,"line":12364},[5206,22823,17284],{"class":5255},[5206,22825,8939],{"class":5227},[5206,22827,22828],{"class":5208,"line":12387},[5206,22829,7686],{"class":5227},[5206,22831,22832],{"class":5208,"line":12392},[5206,22833,5375],{"class":5227},[5206,22835,22836],{"class":5208,"line":12397},[5206,22837,5235],{"emptyLinePlaceholder":5234},[5206,22839,22840],{"class":5208,"line":12403},[5206,22841,22842],{"class":5241},"\u002F\u002F Використання: обробка великого JSON-масиву\n",[5206,22844,22845,22847,22849,22851,22853,22856,22858,22860,22862],{"class":5208,"line":12411},[5206,22846,5879],{"class":5216},[5206,22848,5286],{"class":5227},[5206,22850,5884],{"class":5255},[5206,22852,5292],{"class":5227},[5206,22854,22855],{"class":5223},"'large-array.json'",[5206,22857,7322],{"class":5227},[5206,22859,7325],{"class":5216},[5206,22861,7087],{"class":5223},[5206,22863,17364],{"class":5227},[5206,22865,22866,22868,22870,22872,22874,22876],{"class":5208,"line":12416},[5206,22867,6234],{"class":5227},[5206,22869,5970],{"class":5255},[5206,22871,5292],{"class":5227},[5206,22873,17375],{"class":5248},[5206,22875,22026],{"class":5255},[5206,22877,6247],{"class":5227},[5206,22879,22880,22882,22884,22886,22888,22890,22893,22895,22897],{"class":5208,"line":12421},[5206,22881,6234],{"class":5227},[5206,22883,6677],{"class":5255},[5206,22885,5292],{"class":5227},[5206,22887,6682],{"class":5223},[5206,22889,6685],{"class":5227},[5206,22891,22892],{"class":5216},"object",[5206,22894,5954],{"class":5227},[5206,22896,5957],{"class":5248},[5206,22898,5960],{"class":5227},[5206,22900,22901],{"class":5208,"line":12427},[5206,22902,22903],{"class":5241},"    \u002F\u002F Обробка кожного об'єкта окремо\n",[5206,22905,22906,22908,22910,22912,22914,22917,22919,22922,22924,22926,22928,22931],{"class":5208,"line":19928},[5206,22907,7642],{"class":5216},[5206,22909,5286],{"class":5227},[5206,22911,6711],{"class":5255},[5206,22913,5292],{"class":5227},[5206,22915,22916],{"class":5223},"'Отримано об",[5206,22918,17030],{"class":9098},[5206,22920,22921],{"class":5223},"єкт:'",[5206,22923,5113],{"class":5227},[5206,22925,22892],{"class":5216},[5206,22927,5286],{"class":5227},[5206,22929,22930],{"class":5216},"id",[5206,22932,5333],{"class":5227},[5206,22934,22935],{"class":5208,"line":19949},[5206,22936,22937],{"class":5227},"  })\n",[5206,22939,22940,22942,22944,22946,22948,22950,22952,22954],{"class":5208,"line":19967},[5206,22941,6234],{"class":5227},[5206,22943,6677],{"class":5255},[5206,22945,5292],{"class":5227},[5206,22947,6748],{"class":5223},[5206,22949,6751],{"class":5227},[5206,22951,6754],{"class":6694},[5206,22953,6757],{"class":5248},[5206,22955,5960],{"class":5227},[5206,22957,22958,22960,22962,22964,22966,22969],{"class":5208,"line":19986},[5206,22959,7642],{"class":5216},[5206,22961,5286],{"class":5227},[5206,22963,6711],{"class":5255},[5206,22965,5292],{"class":5227},[5206,22967,22968],{"class":5223},"'Парсинг JSON завершено'",[5206,22970,5333],{"class":5227},[5206,22972,22973],{"class":5208,"line":20005},[5206,22974,8343],{"class":5227},[5176,22976,22978],{"id":22977},"прогрес-бар-для-файлових-операцій","Прогрес-бар для файлових операцій",[5197,22980,22982],{"className":5199,"code":22981,"language":5201,"meta":5202,"style":5202},"import fs from 'node:fs';\nimport type { ReadStream, WriteStream } from 'node:fs';\nimport { Transform } from 'node:stream';\nimport type { TransformCallback } from 'node:stream';\nimport { pipeline } from 'node:stream\u002Fpromises';\n\nclass ProgressTransform extends Transform {\n  constructor(totalSize, options) {\n    super(options);\n    this.totalSize = totalSize;\n    this.processedBytes = 0;\n    this.lastPercent = 0;\n  }\n  \n  _transform(chunk, encoding, callback) {\n    this.processedBytes += chunk.length;\n    const percent = Math.floor((this.processedBytes \u002F this.totalSize) * 100);\n    \n    if (percent !== this.lastPercent && percent % 5 === 0) {\n      this.lastPercent = percent;\n      const bar = '█'.repeat(percent \u002F 2) + '░'.repeat(50 - percent \u002F 2);\n      process.stdout.write(`\\rПрогрес: [${bar}] ${percent}%`);\n    }\n    \n    this.push(chunk);\n    callback();\n  }\n  \n  _flush(callback) {\n    process.stdout.write('\\n');\n    callback();\n  }\n}\n\nasync function copyWithProgress(source, destination) {\n  const stats = await fs.promises.stat(source);\n  const totalSize = stats.size;\n  \n  console.log(`Копіювання файлу (${(totalSize \u002F 1024 \u002F 1024).toFixed(2)} МБ)...`);\n  \n  await pipeline(\n    fs.createReadStream(source),\n    new ProgressTransform(totalSize),\n    fs.createWriteStream(destination)\n  );\n  \n  console.log('✅ Копіювання завершено');\n}\n\nawait copyWithProgress('large-file.mp4', 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copyWithProgress",[5206,23472,5292],{"class":5227},[5206,23474,13788],{"class":5216},[5206,23476,5113],{"class":5227},[5206,23478,13793],{"class":5216},[5206,23480,6942],{"class":5227},[5206,23482,23483,23485,23487,23489,23491,23493,23495,23497,23499,23501,23503,23505],{"class":5208,"line":8621},[5206,23484,5271],{"class":5248},[5206,23486,16813],{"class":5274},[5206,23488,5278],{"class":5227},[5206,23490,5281],{"class":5212},[5206,23492,5217],{"class":5216},[5206,23494,5286],{"class":5227},[5206,23496,15425],{"class":5216},[5206,23498,5286],{"class":5227},[5206,23500,9530],{"class":5255},[5206,23502,5292],{"class":5227},[5206,23504,13788],{"class":5216},[5206,23506,5333],{"class":5227},[5206,23508,23509,23511,23514,23516,23518,23520,23522],{"class":5208,"line":8626},[5206,23510,5271],{"class":5248},[5206,23512,23513],{"class":5274}," totalSize",[5206,23515,5278],{"class":5227},[5206,23517,16687],{"class":5216},[5206,23519,5286],{"class":5227},[5206,23521,9535],{"class":5216},[5206,23523,5228],{"class":5227},[5206,23525,23526],{"class":5208,"line":8632},[5206,23527,5307],{"class":5227},[5206,23529,23530,23532,23534,23536,23538,23541,23543,23545,23547,23549,23551,23553,23555,23557,23559,23561,23563,23565,23567,23570],{"class":5208,"line":9186},[5206,23531,6706],{"class":5216},[5206,23533,5286],{"class":5227},[5206,23535,6711],{"class":5255},[5206,23537,5292],{"class":5227},[5206,23539,23540],{"class":5223},"`Копіювання файлу (",[5206,23542,8398],{"class":5248},[5206,23544,5292],{"class":8404},[5206,23546,23093],{"class":5216},[5206,23548,8535],{"class":5227},[5206,23550,14604],{"class":5754},[5206,23552,8535],{"class":5227},[5206,23554,14604],{"class":5754},[5206,23556,7784],{"class":8404},[5206,23558,12121],{"class":5255},[5206,23560,5292],{"class":8404},[5206,23562,9697],{"class":5754},[5206,23564,6569],{"class":8404},[5206,23566,8413],{"class":5248},[5206,23568,23569],{"class":5223}," МБ)...`",[5206,23571,5333],{"class":5227},[5206,23573,23574],{"class":5208,"line":9756},[5206,23575,5307],{"class":5227},[5206,23577,23578,23580,23582],{"class":5208,"line":9762},[5206,23579,5350],{"class":5212},[5206,23581,15265],{"class":5255},[5206,23583,15268],{"class":5227},[5206,23585,23586,23589,23591,23593,23595,23597],{"class":5208,"line":9779},[5206,23587,23588],{"class":5216},"    fs",[5206,23590,5286],{"class":5227},[5206,23592,5884],{"class":5255},[5206,23594,5292],{"class":5227},[5206,23596,13788],{"class":5216},[5206,23598,10033],{"class":5227},[5206,23600,23601,23604,23606,23608,23610],{"class":5208,"line":9816},[5206,23602,23603],{"class":5248},"    new",[5206,23605,23078],{"class":5255},[5206,23607,5292],{"class":5227},[5206,23609,23093],{"class":5216},[5206,23611,10033],{"class":5227},[5206,23613,23614,23616,23618,23620,23622,23624],{"class":5208,"line":9829},[5206,23615,23588],{"class":5216},[5206,23617,5286],{"class":5227},[5206,23619,5911],{"class":5255},[5206,23621,5292],{"class":5227},[5206,23623,13793],{"class":5216},[5206,23625,6229],{"class":5227},[5206,23627,23628],{"class":5208,"line":9841},[5206,23629,23630],{"class":5227},"  );\n",[5206,23632,23633],{"class":5208,"line":9852},[5206,23634,5307],{"class":5227},[5206,23636,23637,23639,23641,23643,23645,23648],{"class":5208,"line":9857},[5206,23638,6706],{"class":5216},[5206,23640,5286],{"class":5227},[5206,23642,6711],{"class":5255},[5206,23644,5292],{"class":5227},[5206,23646,23647],{"class":5223},"'✅ Копіювання завершено'",[5206,23649,5333],{"class":5227},[5206,23651,23652],{"class":5208,"line":9862},[5206,23653,5375],{"class":5227},[5206,23655,23656],{"class":5208,"line":9868},[5206,23657,5235],{"emptyLinePlaceholder":5234},[5206,23659,23660,23662,23664,23666,23669,23671,23674],{"class":5208,"line":9897},[5206,23661,5281],{"class":5212},[5206,23663,23470],{"class":5255},[5206,23665,5292],{"class":5227},[5206,23667,23668],{"class":5223},"'large-file.mp4'",[5206,23670,5113],{"class":5227},[5206,23672,23673],{"class":5223},"'copy.mp4'",[5206,23675,5333],{"class":5227},[8644,23677,23679,23683],{"title":23678,":cursor":10332},"node copy-with-progress.js",[8648,23680,23682],{"className":23681},[5208],"Копіювання файлу (450.25 МБ)...",[8648,23684,23354,23686,23690],{"className":23685},[5208],[5206,23687,23689],{"className":23688},[12503],"█████████████████████████","░░░░░░░░░░░░░░░░░░░░░░░░░] 50%",[5171,23692,23694],{"id":23693},"порівняння-буферизація-проти-потоків","Порівняння: буферизація проти потоків",[23696,23697,23698,23851],"code-group",{},[5197,23699,23701],{"className":5199,"code":23700,"filename":5620,"language":5201,"meta":5202,"style":5202},"import fs from 'node:fs\u002Fpromises';\n\nasync function processFileBuffered(inputFile, outputFile) {\n  \u002F\u002F ❌ Весь файл у пам'яті\n  const data = await fs.readFile(inputFile, 'utf8');\n  \n  \u002F\u002F Обробка\n  const processed = data.toUpperCase();\n  \n  \u002F\u002F Запис\n  await fs.writeFile(outputFile, processed);\n}\n\n\u002F\u002F Проблеми:\n\u002F\u002F - Пам'ять: розмір файлу × 2 (input + output)\n\u002F\u002F - Затримка: починається лише після повного читання\n\u002F\u002F - Масштабованість: не працює для файлів > RAM\n",[5110,23702,23703,23715,23719,23738,23743,23769,23773,23778,23794,23798,23803,23823,23827,23831,23836,23841,23846],{"__ignoreMap":5202},[5206,23704,23705,23707,23709,23711,23713],{"class":5208,"line":5209},[5206,23706,5213],{"class":5212},[5206,23708,5217],{"class":5216},[5206,23710,5220],{"class":5212},[5206,23712,5224],{"class":5223},[5206,23714,5228],{"class":5227},[5206,23716,23717],{"class":5208,"line":5231},[5206,23718,5235],{"emptyLinePlaceholder":5234},[5206,23720,23721,23723,23725,23728,23730,23732,23734,23736],{"class":5208,"line":5238},[5206,23722,5249],{"class":5248},[5206,23724,5252],{"class":5248},[5206,23726,23727],{"class":5255}," processFileBuffered",[5206,23729,5292],{"class":5227},[5206,23731,12623],{"class":5216},[5206,23733,5113],{"class":5227},[5206,23735,14257],{"class":5216},[5206,23737,6942],{"class":5227},[5206,23739,23740],{"class":5208,"line":5245},[5206,23741,23742],{"class":5241},"  \u002F\u002F ❌ Весь файл у пам'яті\n",[5206,23744,23745,23747,23749,23751,23753,23755,23757,23759,23761,23763,23765,23767],{"class":5208,"line":5262},[5206,23746,5271],{"class":5248},[5206,23748,5275],{"class":5274},[5206,23750,5278],{"class":5227},[5206,23752,5281],{"class":5212},[5206,23754,5217],{"class":5216},[5206,23756,5286],{"class":5227},[5206,23758,5289],{"class":5255},[5206,23760,5292],{"class":5227},[5206,23762,12623],{"class":5216},[5206,23764,5113],{"class":5227},[5206,23766,7207],{"class":5223},[5206,23768,5333],{"class":5227},[5206,23770,23771],{"class":5208,"line":5268},[5206,23772,5307],{"class":5227},[5206,23774,23775],{"class":5208,"line":5304},[5206,23776,23777],{"class":5241},"  \u002F\u002F Обробка\n",[5206,23779,23780,23782,23784,23786,23788,23790,23792],{"class":5208,"line":5310},[5206,23781,5271],{"class":5248},[5206,23783,5321],{"class":5274},[5206,23785,5278],{"class":5227},[5206,23787,5112],{"class":5216},[5206,23789,5286],{"class":5227},[5206,23791,17257],{"class":5255},[5206,23793,8939],{"class":5227},[5206,23795,23796],{"class":5208,"line":5316},[5206,23797,5307],{"class":5227},[5206,23799,23800],{"class":5208,"line":5336},[5206,23801,23802],{"class":5241},"  \u002F\u002F Запис\n",[5206,23804,23805,23807,23809,23811,23813,23815,23817,23819,23821],{"class":5208,"line":5341},[5206,23806,5350],{"class":5212},[5206,23808,5217],{"class":5216},[5206,23810,5286],{"class":5227},[5206,23812,5357],{"class":5255},[5206,23814,5292],{"class":5227},[5206,23816,14257],{"class":5216},[5206,23818,5113],{"class":5227},[5206,23820,5367],{"class":5216},[5206,23822,5333],{"class":5227},[5206,23824,23825],{"class":5208,"line":5347},[5206,23826,5375],{"class":5227},[5206,23828,23829],{"class":5208,"line":5372},[5206,23830,5235],{"emptyLinePlaceholder":5234},[5206,23832,23833],{"class":5208,"line":5451},[5206,23834,23835],{"class":5241},"\u002F\u002F Проблеми:\n",[5206,23837,23838],{"class":5208,"line":5584},[5206,23839,23840],{"class":5241},"\u002F\u002F - Пам'ять: розмір файлу × 2 (input + output)\n",[5206,23842,23843],{"class":5208,"line":5590},[5206,23844,23845],{"class":5241},"\u002F\u002F - Затримка: починається лише після повного читання\n",[5206,23847,23848],{"class":5208,"line":5596},[5206,23849,23850],{"class":5241},"\u002F\u002F - Масштабованість: не працює для файлів > RAM\n",[5197,23852,23855],{"className":5199,"code":23853,"filename":23854,"language":5201,"meta":5202,"style":5202},"import fs from 'node:fs';\nimport type { ReadStream, WriteStream } from 'node:fs';\nimport { Transform } from 'node:stream';\nimport type { TransformCallback } from 'node:stream';\nimport { pipeline } from 'node:stream\u002Fpromises';\n\nclass UpperCaseTransform extends Transform {\n  _transform(chunk, encoding, callback) {\n    this.push(chunk.toString().toUpperCase());\n    callback();\n  }\n}\n\nasync function processFileStreamed(inputFile, outputFile) {\n  await pipeline(\n    fs.createReadStream(inputFile, { encoding: 'utf8' }),\n    new UpperCaseTransform(),\n    fs.createWriteStream(outputFile)\n  );\n}\n\n\u002F\u002F Переваги:\n\u002F\u002F - Пам'ять: постійна (~64 КБ незалежно від розміру)\n\u002F\u002F - Затримка: миттєвий початок обробки\n\u002F\u002F - Масштабованість: працює для файлів будь-якого розміру\n","Потоки (Streams)",[5110,23856,23857,23869,23891,23907,23925,23941,23945,23957,23975,23998,24004,24008,24012,24016,24035,24043,24063,24072,24086,24090,24094,24098,24103,24108,24113],{"__ignoreMap":5202},[5206,23858,23859,23861,23863,23865,23867],{"class":5208,"line":5209},[5206,23860,5213],{"class":5212},[5206,23862,5217],{"class":5216},[5206,23864,5220],{"class":5212},[5206,23866,5785],{"class":5223},[5206,23868,5228],{"class":5227},[5206,23870,23871,23873,23875,23877,23879,23881,23883,23885,23887,23889],{"class":5208,"line":5231},[5206,23872,5213],{"class":5212},[5206,23874,5794],{"class":5212},[5206,23876,5797],{"class":5227},[5206,23878,5800],{"class":5216},[5206,23880,5113],{"class":5227},[5206,23882,5805],{"class":5216},[5206,23884,5808],{"class":5227},[5206,23886,5811],{"class":5212},[5206,23888,5785],{"class":5223},[5206,23890,5228],{"class":5227},[5206,23892,23893,23895,23897,23899,23901,23903,23905],{"class":5208,"line":5238},[5206,23894,5213],{"class":5212},[5206,23896,5797],{"class":5227},[5206,23898,6508],{"class":5216},[5206,23900,5808],{"class":5227},[5206,23902,5811],{"class":5212},[5206,23904,17131],{"class":5223},[5206,23906,5228],{"class":5227},[5206,23908,23909,23911,23913,23915,23917,23919,23921,23923],{"class":5208,"line":5245},[5206,23910,5213],{"class":5212},[5206,23912,5794],{"class":5212},[5206,23914,5797],{"class":5227},[5206,23916,17144],{"class":5216},[5206,23918,5808],{"class":5227},[5206,23920,5811],{"class":5212},[5206,23922,17131],{"class":5223},[5206,23924,5228],{"class":5227},[5206,23926,23927,23929,23931,23933,23935,23937,23939],{"class":5208,"line":5262},[5206,23928,5213],{"class":5212},[5206,23930,5797],{"class":5227},[5206,23932,15172],{"class":5216},[5206,23934,5808],{"class":5227},[5206,23936,5811],{"class":5212},[5206,23938,15179],{"class":5223},[5206,23940,5228],{"class":5227},[5206,23942,23943],{"class":5208,"line":5268},[5206,23944,5235],{"emptyLinePlaceholder":5234},[5206,23946,23947,23949,23951,23953,23955],{"class":5208,"line":5304},[5206,23948,17166],{"class":5248},[5206,23950,17169],{"class":6694},[5206,23952,17172],{"class":5248},[5206,23954,17175],{"class":6694},[5206,23956,5960],{"class":5227},[5206,23958,23959,23961,23963,23965,23967,23969,23971,23973],{"class":5208,"line":5310},[5206,23960,17182],{"class":5255},[5206,23962,5292],{"class":5227},[5206,23964,6688],{"class":5216},[5206,23966,5113],{"class":5227},[5206,23968,7187],{"class":5216},[5206,23970,5113],{"class":5227},[5206,23972,10379],{"class":5216},[5206,23974,6942],{"class":5227},[5206,23976,23977,23979,23981,23983,23985,23987,23989,23991,23993,23995],{"class":5208,"line":5316},[5206,23978,17264],{"class":5248},[5206,23980,5286],{"class":5227},[5206,23982,17269],{"class":5255},[5206,23984,5292],{"class":5227},[5206,23986,6688],{"class":5216},[5206,23988,5286],{"class":5227},[5206,23990,7777],{"class":5255},[5206,23992,11734],{"class":5227},[5206,23994,17257],{"class":5255},[5206,23996,23997],{"class":5227},"());\n",[5206,23999,24000,24002],{"class":5208,"line":5336},[5206,24001,17284],{"class":5255},[5206,24003,8939],{"class":5227},[5206,24005,24006],{"class":5208,"line":5341},[5206,24007,7686],{"class":5227},[5206,24009,24010],{"class":5208,"line":5347},[5206,24011,5375],{"class":5227},[5206,24013,24014],{"class":5208,"line":5372},[5206,24015,5235],{"emptyLinePlaceholder":5234},[5206,24017,24018,24020,24022,24025,24027,24029,24031,24033],{"class":5208,"line":5451},[5206,24019,5249],{"class":5248},[5206,24021,5252],{"class":5248},[5206,24023,24024],{"class":5255}," processFileStreamed",[5206,24026,5292],{"class":5227},[5206,24028,12623],{"class":5216},[5206,24030,5113],{"class":5227},[5206,24032,14257],{"class":5216},[5206,24034,6942],{"class":5227},[5206,24036,24037,24039,24041],{"class":5208,"line":5584},[5206,24038,5350],{"class":5212},[5206,24040,15265],{"class":5255},[5206,24042,15268],{"class":5227},[5206,24044,24045,24047,24049,24051,24053,24055,24057,24059,24061],{"class":5208,"line":5590},[5206,24046,23588],{"class":5216},[5206,24048,5286],{"class":5227},[5206,24050,5884],{"class":5255},[5206,24052,5292],{"class":5227},[5206,24054,12623],{"class":5216},[5206,24056,7322],{"class":5227},[5206,24058,7325],{"class":5216},[5206,24060,7087],{"class":5223},[5206,24062,15301],{"class":5227},[5206,24064,24065,24067,24069],{"class":5208,"line":5596},[5206,24066,23603],{"class":5248},[5206,24068,17169],{"class":5255},[5206,24070,24071],{"class":5227},"(),\n",[5206,24073,24074,24076,24078,24080,24082,24084],{"class":5208,"line":6019},[5206,24075,23588],{"class":5216},[5206,24077,5286],{"class":5227},[5206,24079,5911],{"class":5255},[5206,24081,5292],{"class":5227},[5206,24083,14257],{"class":5216},[5206,24085,6229],{"class":5227},[5206,24087,24088],{"class":5208,"line":6051},[5206,24089,23630],{"class":5227},[5206,24091,24092],{"class":5208,"line":6056},[5206,24093,5375],{"class":5227},[5206,24095,24096],{"class":5208,"line":6062},[5206,24097,5235],{"emptyLinePlaceholder":5234},[5206,24099,24100],{"class":5208,"line":6092},[5206,24101,24102],{"class":5241},"\u002F\u002F Переваги:\n",[5206,24104,24105],{"class":5208,"line":6097},[5206,24106,24107],{"class":5241},"\u002F\u002F - Пам'ять: постійна (~64 КБ незалежно від розміру)\n",[5206,24109,24110],{"class":5208,"line":6103},[5206,24111,24112],{"class":5241},"\u002F\u002F - Затримка: миттєвий початок обробки\n",[5206,24114,24115],{"class":5208,"line":6122},[5206,24116,24117],{"class":5241},"\u002F\u002F - Масштабованість: працює для файлів будь-якого розміру\n",[5181,24119,24120],{},[5138,24121,24122],{},"Порівняльна таблиця:",[5606,24124,24125,24138],{},[5609,24126,24127],{},[5612,24128,24129,24132,24135],{},[5615,24130,24131],{},"Метрика",[5615,24133,24134],{},"Буферизація",[5615,24136,24137],{},"Потоки",[5625,24139,24140,24153,24165,24178,24189,24202],{},[5612,24141,24142,24147,24150],{},[5630,24143,24144],{},[5138,24145,24146],{},"Пам'ять для 1 ГБ файлу",[5630,24148,24149],{},"~2 ГБ RAM",[5630,24151,24152],{},"~64 КБ RAM",[5612,24154,24155,24159,24162],{},[5630,24156,24157],{},[5138,24158,5647],{},[5630,24160,24161],{},"5-15 секунд",[5630,24163,24164],{},"\u003C10 мілісекунд",[5612,24166,24167,24172,24175],{},[5630,24168,24169],{},[5138,24170,24171],{},"10 одночасних операцій",[5630,24173,24174],{},"~20 ГБ RAM",[5630,24176,24177],{},"~640 КБ RAM",[5612,24179,24180,24184,24187],{},[5630,24181,24182],{},[5138,24183,5660],{},[5630,24185,24186],{},"Обмежений RAM",[5630,24188,5666],{},[5612,24190,24191,24196,24199],{},[5630,24192,24193],{},[5138,24194,24195],{},"CPU блокування",[5630,24197,24198],{},"Можливе при великих буферах",[5630,24200,24201],{},"Мінімальне",[5612,24203,24204,24209,24212],{},[5630,24205,24206],{},[5138,24207,24208],{},"Складність коду",[5630,24210,24211],{},"Проста",[5630,24213,24214],{},"Середня",[5171,24216,24218],{"id":24217},"best-practices-рекомендації-для-роботи-з-потоками","Best Practices: рекомендації для роботи з потоками",[5084,24220,24221,24317,24386,24472],{},[5087,24222,24225,24314],{"icon":24223,"title":24224},"i-lucide-check-circle","✅ Завжди обробляйте помилки",[5197,24226,24228],{"className":5199,"code":24227,"language":5201,"meta":5202,"style":5202},"stream.on('error', (error: Error) => {\n  console.error('Stream error:', error);\n  \u002F\u002F Очищення ресурсів\n});\n\n\u002F\u002F Або через pipeline\nawait pipeline(source, transform, destination);\n",[5110,24229,24230,24256,24275,24280,24284,24288,24293],{"__ignoreMap":5202},[5206,24231,24232,24234,24236,24238,24240,24242,24244,24246,24248,24250,24252,24254],{"class":5208,"line":5209},[5206,24233,7344],{"class":5216},[5206,24235,5286],{"class":5227},[5206,24237,6677],{"class":5255},[5206,24239,5292],{"class":5227},[5206,24241,6795],{"class":5223},[5206,24243,6685],{"class":5227},[5206,24245,5119],{"class":5216},[5206,24247,6691],{"class":5227},[5206,24249,6804],{"class":6694},[5206,24251,5954],{"class":5227},[5206,24253,5957],{"class":5248},[5206,24255,5960],{"class":5227},[5206,24257,24258,24260,24262,24264,24266,24269,24271,24273],{"class":5208,"line":5231},[5206,24259,6706],{"class":5216},[5206,24261,5286],{"class":5227},[5206,24263,5119],{"class":5255},[5206,24265,5292],{"class":5227},[5206,24267,24268],{"class":5223},"'Stream error:'",[5206,24270,5113],{"class":5227},[5206,24272,5119],{"class":5216},[5206,24274,5333],{"class":5227},[5206,24276,24277],{"class":5208,"line":5238},[5206,24278,24279],{"class":5241},"  \u002F\u002F Очищення ресурсів\n",[5206,24281,24282],{"class":5208,"line":5245},[5206,24283,5984],{"class":5227},[5206,24285,24286],{"class":5208,"line":5262},[5206,24287,5235],{"emptyLinePlaceholder":5234},[5206,24289,24290],{"class":5208,"line":5268},[5206,24291,24292],{"class":5241},"\u002F\u002F Або через pipeline\n",[5206,24294,24295,24297,24299,24301,24303,24305,24308,24310,24312],{"class":5208,"line":5304},[5206,24296,5281],{"class":5212},[5206,24298,15265],{"class":5255},[5206,24300,5292],{"class":5227},[5206,24302,13788],{"class":5216},[5206,24304,5113],{"class":5227},[5206,24306,24307],{"class":5216},"transform",[5206,24309,5113],{"class":5227},[5206,24311,13793],{"class":5216},[5206,24313,5333],{"class":5227},[5181,24315,24316],{},"Необроблена помилка у потоці призведе до краху процесу.",[5087,24318,24320,24381],{"icon":24223,"title":24319},"✅ Використовуйте pipeline замість pipe",[5197,24321,24323],{"className":5199,"code":24322,"language":5201,"meta":5202,"style":5202},"\u002F\u002F ❌ Старий підхід\nsource.pipe(transform).pipe(destination);\n\n\u002F\u002F ✅ Сучасний підхід\nawait pipeline(source, transform, destination);\n",[5110,24324,24325,24330,24352,24356,24361],{"__ignoreMap":5202},[5206,24326,24327],{"class":5208,"line":5209},[5206,24328,24329],{"class":5241},"\u002F\u002F ❌ Старий підхід\n",[5206,24331,24332,24334,24336,24338,24340,24342,24344,24346,24348,24350],{"class":5208,"line":5231},[5206,24333,13788],{"class":5216},[5206,24335,5286],{"class":5227},[5206,24337,5970],{"class":5255},[5206,24339,5292],{"class":5227},[5206,24341,24307],{"class":5216},[5206,24343,7784],{"class":5227},[5206,24345,5970],{"class":5255},[5206,24347,5292],{"class":5227},[5206,24349,13793],{"class":5216},[5206,24351,5333],{"class":5227},[5206,24353,24354],{"class":5208,"line":5238},[5206,24355,5235],{"emptyLinePlaceholder":5234},[5206,24357,24358],{"class":5208,"line":5245},[5206,24359,24360],{"class":5241},"\u002F\u002F ✅ Сучасний підхід\n",[5206,24362,24363,24365,24367,24369,24371,24373,24375,24377,24379],{"class":5208,"line":5262},[5206,24364,5281],{"class":5212},[5206,24366,15265],{"class":5255},[5206,24368,5292],{"class":5227},[5206,24370,13788],{"class":5216},[5206,24372,5113],{"class":5227},[5206,24374,24307],{"class":5216},[5206,24376,5113],{"class":5227},[5206,24378,13793],{"class":5216},[5206,24380,5333],{"class":5227},[5181,24382,24383,24385],{},[5110,24384,15153],{}," автоматично обробляє помилки та очищає ресурси.",[5087,24387,24389],{"icon":24223,"title":24388},"✅ Поважайте backpressure",[5197,24390,24392],{"className":5199,"code":24391,"language":5201,"meta":5202,"style":5202},"\u002F\u002F ✅ Правильно\nif (!writable.write(data)) {\n  writable.once('drain', continueWriting);\n}\n\n\u002F\u002F ❌ Неправильно\nwritable.write(data);\ncontinueWriting(); \u002F\u002F Ігнорування false\n",[5110,24393,24394,24399,24417,24436,24440,24444,24449,24463],{"__ignoreMap":5202},[5206,24395,24396],{"class":5208,"line":5209},[5206,24397,24398],{"class":5241},"\u002F\u002F ✅ Правильно\n",[5206,24400,24401,24403,24405,24407,24409,24411,24413,24415],{"class":5208,"line":5231},[5206,24402,11302],{"class":5212},[5206,24404,9601],{"class":5227},[5206,24406,13672],{"class":5216},[5206,24408,5286],{"class":5227},[5206,24410,10520],{"class":5255},[5206,24412,5292],{"class":5227},[5206,24414,5112],{"class":5216},[5206,24416,9143],{"class":5227},[5206,24418,24419,24422,24424,24426,24428,24430,24432,24434],{"class":5208,"line":5238},[5206,24420,24421],{"class":5216},"  writable",[5206,24423,5286],{"class":5227},[5206,24425,11099],{"class":5255},[5206,24427,5292],{"class":5227},[5206,24429,10403],{"class":5223},[5206,24431,5113],{"class":5227},[5206,24433,11338],{"class":5216},[5206,24435,5333],{"class":5227},[5206,24437,24438],{"class":5208,"line":5245},[5206,24439,5375],{"class":5227},[5206,24441,24442],{"class":5208,"line":5262},[5206,24443,5235],{"emptyLinePlaceholder":5234},[5206,24445,24446],{"class":5208,"line":5268},[5206,24447,24448],{"class":5241},"\u002F\u002F ❌ Неправильно\n",[5206,24450,24451,24453,24455,24457,24459,24461],{"class":5208,"line":5304},[5206,24452,13672],{"class":5216},[5206,24454,5286],{"class":5227},[5206,24456,10520],{"class":5255},[5206,24458,5292],{"class":5227},[5206,24460,5112],{"class":5216},[5206,24462,5333],{"class":5227},[5206,24464,24465,24467,24469],{"class":5208,"line":5310},[5206,24466,11338],{"class":5255},[5206,24468,12839],{"class":5227},[5206,24470,24471],{"class":5241},"\u002F\u002F Ігнорування false\n",[5087,24473,24475,24544],{"icon":24223,"title":24474},"✅ Закривайте потоки при помилках",[5197,24476,24478],{"className":5199,"code":24477,"language":5201,"meta":5202,"style":5202},"readStream.on('error', (error: Error) => {\n  console.error(error);\n  readStream.destroy();\n  writeStream.destroy();\n});\n",[5110,24479,24480,24506,24520,24530,24540],{"__ignoreMap":5202},[5206,24481,24482,24484,24486,24488,24490,24492,24494,24496,24498,24500,24502,24504],{"class":5208,"line":5209},[5206,24483,6672],{"class":5216},[5206,24485,5286],{"class":5227},[5206,24487,6677],{"class":5255},[5206,24489,5292],{"class":5227},[5206,24491,6795],{"class":5223},[5206,24493,6685],{"class":5227},[5206,24495,5119],{"class":5216},[5206,24497,6691],{"class":5227},[5206,24499,6804],{"class":6694},[5206,24501,5954],{"class":5227},[5206,24503,5957],{"class":5248},[5206,24505,5960],{"class":5227},[5206,24507,24508,24510,24512,24514,24516,24518],{"class":5208,"line":5231},[5206,24509,6706],{"class":5216},[5206,24511,5286],{"class":5227},[5206,24513,5119],{"class":5255},[5206,24515,5292],{"class":5227},[5206,24517,5119],{"class":5216},[5206,24519,5333],{"class":5227},[5206,24521,24522,24524,24526,24528],{"class":5208,"line":5238},[5206,24523,12755],{"class":5216},[5206,24525,5286],{"class":5227},[5206,24527,14045],{"class":5255},[5206,24529,8939],{"class":5227},[5206,24531,24532,24534,24536,24538],{"class":5208,"line":5245},[5206,24533,11519],{"class":5216},[5206,24535,5286],{"class":5227},[5206,24537,14045],{"class":5255},[5206,24539,8939],{"class":5227},[5206,24541,24542],{"class":5208,"line":5262},[5206,24543,5984],{"class":5227},[5181,24545,24546],{},"Незакриті потоки призводять до витоків файлових дескрипторів.",[5084,24548,24549,24607,24749,24823],{},[5087,24550,24553],{"icon":24551,"title":24552},"i-lucide-x-circle","❌ Не використовуйте sync методи",[5197,24554,24556],{"className":5199,"code":24555,"language":5201,"meta":5202,"style":5202},"\u002F\u002F ❌ Блокує Event Loop\nconst data = fs.readFileSync('file.txt');\n\n\u002F\u002F ✅ Асинхронно через потік\nfs.createReadStream('file.txt');\n",[5110,24557,24558,24563,24584,24588,24593],{"__ignoreMap":5202},[5206,24559,24560],{"class":5208,"line":5209},[5206,24561,24562],{"class":5241},"\u002F\u002F ❌ Блокує Event Loop\n",[5206,24564,24565,24567,24569,24571,24573,24575,24578,24580,24582],{"class":5208,"line":5231},[5206,24566,5871],{"class":5248},[5206,24568,5275],{"class":5274},[5206,24570,5278],{"class":5227},[5206,24572,5879],{"class":5216},[5206,24574,5286],{"class":5227},[5206,24576,24577],{"class":5255},"readFileSync",[5206,24579,5292],{"class":5227},[5206,24581,9958],{"class":5223},[5206,24583,5333],{"class":5227},[5206,24585,24586],{"class":5208,"line":5238},[5206,24587,5235],{"emptyLinePlaceholder":5234},[5206,24589,24590],{"class":5208,"line":5245},[5206,24591,24592],{"class":5241},"\u002F\u002F ✅ Асинхронно через потік\n",[5206,24594,24595,24597,24599,24601,24603,24605],{"class":5208,"line":5262},[5206,24596,5879],{"class":5216},[5206,24598,5286],{"class":5227},[5206,24600,5884],{"class":5255},[5206,24602,5292],{"class":5227},[5206,24604,9958],{"class":5223},[5206,24606,5333],{"class":5227},[5087,24608,24610],{"icon":24551,"title":24609},"❌ Не накопичуйте chunks у масиві",[5197,24611,24613],{"className":5199,"code":24612,"language":5201,"meta":5202,"style":5202},"\u002F\u002F ❌ Втрачається перевага потоків\nconst chunks = [];\nstream.on('data', chunk => chunks.push(chunk));\nstream.on('end', (): void => {\n  const full = Buffer.concat(chunks);\n});\n\n\u002F\u002F ✅ Обробляйте по chunks\nstream.on('data', chunk => {\n  processChunk(chunk);\n});\n",[5110,24614,24615,24620,24629,24659,24679,24701,24705,24709,24714,24734,24745],{"__ignoreMap":5202},[5206,24616,24617],{"class":5208,"line":5209},[5206,24618,24619],{"class":5241},"\u002F\u002F ❌ Втрачається перевага потоків\n",[5206,24621,24622,24624,24627],{"class":5208,"line":5231},[5206,24623,5871],{"class":5248},[5206,24625,24626],{"class":5274}," chunks",[5206,24628,19367],{"class":5227},[5206,24630,24631,24633,24635,24637,24639,24641,24643,24645,24647,24649,24651,24653,24655,24657],{"class":5208,"line":5238},[5206,24632,7344],{"class":5216},[5206,24634,5286],{"class":5227},[5206,24636,6677],{"class":5255},[5206,24638,5292],{"class":5227},[5206,24640,6682],{"class":5223},[5206,24642,5113],{"class":5227},[5206,24644,6688],{"class":5216},[5206,24646,6757],{"class":5248},[5206,24648,24626],{"class":5216},[5206,24650,5286],{"class":5227},[5206,24652,17269],{"class":5255},[5206,24654,5292],{"class":5227},[5206,24656,6688],{"class":5216},[5206,24658,7800],{"class":5227},[5206,24660,24661,24663,24665,24667,24669,24671,24673,24675,24677],{"class":5208,"line":5245},[5206,24662,7344],{"class":5216},[5206,24664,5286],{"class":5227},[5206,24666,6677],{"class":5255},[5206,24668,5292],{"class":5227},[5206,24670,6748],{"class":5223},[5206,24672,6751],{"class":5227},[5206,24674,6754],{"class":6694},[5206,24676,6757],{"class":5248},[5206,24678,5960],{"class":5227},[5206,24680,24681,24683,24686,24688,24690,24692,24695,24697,24699],{"class":5208,"line":5262},[5206,24682,5271],{"class":5248},[5206,24684,24685],{"class":5274}," full",[5206,24687,5278],{"class":5227},[5206,24689,6695],{"class":5216},[5206,24691,5286],{"class":5227},[5206,24693,24694],{"class":5255},"concat",[5206,24696,5292],{"class":5227},[5206,24698,5144],{"class":5216},[5206,24700,5333],{"class":5227},[5206,24702,24703],{"class":5208,"line":5268},[5206,24704,5984],{"class":5227},[5206,24706,24707],{"class":5208,"line":5304},[5206,24708,5235],{"emptyLinePlaceholder":5234},[5206,24710,24711],{"class":5208,"line":5310},[5206,24712,24713],{"class":5241},"\u002F\u002F ✅ Обробляйте по chunks\n",[5206,24715,24716,24718,24720,24722,24724,24726,24728,24730,24732],{"class":5208,"line":5316},[5206,24717,7344],{"class":5216},[5206,24719,5286],{"class":5227},[5206,24721,6677],{"class":5255},[5206,24723,5292],{"class":5227},[5206,24725,6682],{"class":5223},[5206,24727,5113],{"class":5227},[5206,24729,6688],{"class":5216},[5206,24731,6757],{"class":5248},[5206,24733,5960],{"class":5227},[5206,24735,24736,24739,24741,24743],{"class":5208,"line":5336},[5206,24737,24738],{"class":5255},"  processChunk",[5206,24740,5292],{"class":5227},[5206,24742,6688],{"class":5216},[5206,24744,5333],{"class":5227},[5206,24746,24747],{"class":5208,"line":5341},[5206,24748,5984],{"class":5227},[5087,24750,24752],{"icon":24551,"title":24751},"❌ Не забувайте про encoding",[5197,24753,24755],{"className":5199,"code":24754,"language":5201,"meta":5202,"style":5202},"\u002F\u002F ❌ Повертає Buffer\nconst stream = fs.createReadStream('text.txt');\n\n\u002F\u002F ✅ Повертає рядок\nconst stream = fs.createReadStream('text.txt', {\n  encoding: 'utf8'\n});\n",[5110,24756,24757,24762,24783,24787,24792,24812,24819],{"__ignoreMap":5202},[5206,24758,24759],{"class":5208,"line":5209},[5206,24760,24761],{"class":5241},"\u002F\u002F ❌ Повертає Buffer\n",[5206,24763,24764,24766,24768,24770,24772,24774,24776,24778,24781],{"class":5208,"line":5231},[5206,24765,5871],{"class":5248},[5206,24767,6900],{"class":5274},[5206,24769,5278],{"class":5227},[5206,24771,5879],{"class":5216},[5206,24773,5286],{"class":5227},[5206,24775,5884],{"class":5255},[5206,24777,5292],{"class":5227},[5206,24779,24780],{"class":5223},"'text.txt'",[5206,24782,5333],{"class":5227},[5206,24784,24785],{"class":5208,"line":5238},[5206,24786,5235],{"emptyLinePlaceholder":5234},[5206,24788,24789],{"class":5208,"line":5245},[5206,24790,24791],{"class":5241},"\u002F\u002F ✅ Повертає рядок\n",[5206,24793,24794,24796,24798,24800,24802,24804,24806,24808,24810],{"class":5208,"line":5262},[5206,24795,5871],{"class":5248},[5206,24797,6900],{"class":5274},[5206,24799,5278],{"class":5227},[5206,24801,5879],{"class":5216},[5206,24803,5286],{"class":5227},[5206,24805,5884],{"class":5255},[5206,24807,5292],{"class":5227},[5206,24809,24780],{"class":5223},[5206,24811,7079],{"class":5227},[5206,24813,24814,24816],{"class":5208,"line":5268},[5206,24815,7084],{"class":5216},[5206,24817,24818],{"class":5223}," 'utf8'\n",[5206,24820,24821],{"class":5208,"line":5304},[5206,24822,5984],{"class":5227},[5087,24824,24826],{"icon":24551,"title":24825},"❌ Не ігноруйте події 'close'",[5197,24827,24829],{"className":5199,"code":24828,"language":5201,"meta":5202,"style":5202},"\u002F\u002F ✅ Відстежуйте закриття ресурсів\nstream.on('close', (): void => {\n  console.log('Stream closed, FD released');\n});\n",[5110,24830,24831,24836,24856,24871],{"__ignoreMap":5202},[5206,24832,24833],{"class":5208,"line":5209},[5206,24834,24835],{"class":5241},"\u002F\u002F ✅ Відстежуйте закриття ресурсів\n",[5206,24837,24838,24840,24842,24844,24846,24848,24850,24852,24854],{"class":5208,"line":5231},[5206,24839,7344],{"class":5216},[5206,24841,5286],{"class":5227},[5206,24843,6677],{"class":5255},[5206,24845,5292],{"class":5227},[5206,24847,8026],{"class":5223},[5206,24849,6751],{"class":5227},[5206,24851,6754],{"class":6694},[5206,24853,6757],{"class":5248},[5206,24855,5960],{"class":5227},[5206,24857,24858,24860,24862,24864,24866,24869],{"class":5208,"line":5238},[5206,24859,6706],{"class":5216},[5206,24861,5286],{"class":5227},[5206,24863,6711],{"class":5255},[5206,24865,5292],{"class":5227},[5206,24867,24868],{"class":5223},"'Stream closed, FD released'",[5206,24870,5333],{"class":5227},[5206,24872,24873],{"class":5208,"line":5245},[5206,24874,5984],{"class":5227},[5171,24876,24878],{"id":24877},"підсумок-коли-використовувати-streams","Підсумок: коли використовувати Streams",[5084,24880,24881,24917],{},[5087,24882,24885],{"icon":24883,"title":24884},"i-lucide-thumbs-up","✅ Використовуйте Streams для:",[5092,24886,24887,24893,24899,24905,24911],{},[5095,24888,24889,24892],{},[5138,24890,24891],{},"Великих файлів"," (> 100 МБ) — відео, бекапи, логи",[5095,24894,24895,24898],{},[5138,24896,24897],{},"HTTP-запитів та відповідей"," — завантаження, потокове відео",[5095,24900,24901,24904],{},[5138,24902,24903],{},"Обробки даних у реальному часі"," — логи, метрики, події",[5095,24906,24907,24910],{},[5138,24908,24909],{},"ETL-процесів"," — CSV → валідація → трансформація → БД",[5095,24912,24913,24916],{},[5138,24914,24915],{},"Низьке споживання пам'яті"," — серверні застосунки з обмеженнями",[5087,24918,24921],{"icon":24919,"title":24920},"i-lucide-thumbs-down","❌ НЕ використовуйте Streams для:",[5092,24922,24923,24933,24939,24945],{},[5095,24924,24925,24928,24929,24932],{},[5138,24926,24927],{},"Малих файлів"," (\u003C 1 МБ) — ",[5110,24930,24931],{},"fs.readFile"," простіший",[5095,24934,24935,24938],{},[5138,24936,24937],{},"Випадкового доступу"," — потоки лінійні, не підтримують seek",[5095,24940,24941,24944],{},[5138,24942,24943],{},"Складної бізнес-логіки"," — краще завантажити у пам'ять",[5095,24946,24947,24950],{},[5138,24948,24949],{},"Синхронних операцій"," — потоки асинхронні за природою",[6174,24952,24953,24958,24975],{},[5181,24954,24955],{},[5138,24956,24957],{},"Золоте правило Streams:",[5181,24959,24960,24961,24964,24965,24968,24969,11939,24971,24974],{},"Якщо не знаєте заздалегідь ",[5138,24962,24963],{},"розмір даних"," або він ",[5138,24966,24967],{},"перевищує 10 МБ",", використовуйте потоки. Для малих, передбачуваних обсягів даних буферизація через ",[5110,24970,24931],{},[5110,24972,24973],{},"fs.writeFile"," є простішою альтернативою.",[5181,24976,24977,24980],{},[5138,24978,24979],{},"Виняток:"," HTTP-запити та відповіді завжди є потоками незалежно від розміру, оскільки дані надходять частинами через мережу.",[5171,24982,24984],{"id":24983},"корисні-ресурси-для-поглибленого-вивчення","Корисні ресурси для поглибленого вивчення",[5092,24986,24987,24999,25009,25015],{},[5095,24988,24989,7956,24992],{},[5138,24990,24991],{},"Офіційна документація Node.js:",[24993,24994,24998],"a",{"href":24995,"rel":24996},"https:\u002F\u002Fnodejs.org\u002Fapi\u002Fstream.html",[24997],"nofollow","Stream API",[5095,25000,25001,7956,25004],{},[5138,25002,25003],{},"Backpressure та flow control:",[24993,25005,25008],{"href":25006,"rel":25007},"https:\u002F\u002Fnodejs.org\u002Fen\u002Fdocs\u002Fguides\u002Fbackpressuring-in-streams\u002F",[24997],"Understanding Streams",[5095,25010,25011,25014],{},[5138,25012,25013],{},"Stream Handbook:"," посібник Substack з практичними прикладами",[5095,25016,25017,25020],{},[5138,25018,25019],{},"Бібліотеки екосистеми:",[5092,25021,25022,25028,25034,25040],{},[5095,25023,25024,25027],{},[5110,25025,25026],{},"through2"," — спрощене створення Transform Streams",[5095,25029,25030,25033],{},[5110,25031,25032],{},"split2"," — розбиття потоку на рядки",[5095,25035,25036,25039],{},[5110,25037,25038],{},"pumpify"," — комбінування кількох потоків в один",[5095,25041,25042,25045],{},[5110,25043,25044],{},"mississippi"," — колекція утиліт для роботи з потоками",[5694,25047,25048,25053,25056,25078],{},[5181,25049,25050],{},[5138,25051,25052],{},"Еволюція Streams API:",[5181,25054,25055],{},"Node.js має три покоління Streams API:",[5461,25057,25058,25064,25070],{},[5095,25059,25060,25063],{},[5138,25061,25062],{},"Streams1"," (Node.js 0.x) — застарілий, не використовується",[5095,25065,25066,25069],{},[5138,25067,25068],{},"Streams2"," (Node.js 0.10+) — поточний стандарт, описаний у цій лекції",[5095,25071,25072,25075,25076,6569],{},[5138,25073,25074],{},"Streams3"," (Node.js 10+) — додає підтримку async iterators (",[5110,25077,6850],{},[5181,25079,25080],{},"Streams2 залишається основним API, а Streams3 надає синтаксичний цукор поверх нього. Знання Streams2 є фундаментальним для розуміння роботи потоків у Node.js.",[25082,25083,25084],"style",{},"html pre.shiki code .s8xlr, html code.shiki .s8xlr{--shiki-light:#AF00DB;--shiki-default:#C586C0;--shiki-dark:#C586C0}html pre.shiki code .siwwj, html code.shiki .siwwj{--shiki-light:#001080;--shiki-default:#9CDCFE;--shiki-dark:#9CDCFE}html pre.shiki code .sbdoH, html code.shiki .sbdoH{--shiki-light:#A31515;--shiki-default:#CE9178;--shiki-dark:#CE9178}html pre.shiki code .sHH4Y, html code.shiki .sHH4Y{--shiki-light:#000000;--shiki-default:#D4D4D4;--shiki-dark:#D4D4D4}html pre.shiki code .spJ8K, html code.shiki .spJ8K{--shiki-light:#008000;--shiki-default:#6A9955;--shiki-dark:#6A9955}html pre.shiki code .su1O8, html code.shiki .su1O8{--shiki-light:#0000FF;--shiki-default:#569CD6;--shiki-dark:#569CD6}html pre.shiki code .s8Opu, html code.shiki .s8Opu{--shiki-light:#795E26;--shiki-default:#DCDCAA;--shiki-dark:#DCDCAA}html pre.shiki code .s-QsJ, html code.shiki .s-QsJ{--shiki-light:#0070C1;--shiki-default:#4FC1FF;--shiki-dark:#4FC1FF}html .light .shiki span {color: var(--shiki-light);background: var(--shiki-light-bg);font-style: var(--shiki-light-font-style);font-weight: var(--shiki-light-font-weight);text-decoration: var(--shiki-light-text-decoration);}html.light .shiki span {color: var(--shiki-light);background: var(--shiki-light-bg);font-style: var(--shiki-light-font-style);font-weight: var(--shiki-light-font-weight);text-decoration: var(--shiki-light-text-decoration);}html .default .shiki span {color: var(--shiki-default);background: var(--shiki-default-bg);font-style: var(--shiki-default-font-style);font-weight: var(--shiki-default-font-weight);text-decoration: var(--shiki-default-text-decoration);}html .shiki span {color: var(--shiki-default);background: var(--shiki-default-bg);font-style: var(--shiki-default-font-style);font-weight: var(--shiki-default-font-weight);text-decoration: var(--shiki-default-text-decoration);}html .dark .shiki span {color: var(--shiki-dark);background: var(--shiki-dark-bg);font-style: var(--shiki-dark-font-style);font-weight: var(--shiki-dark-font-weight);text-decoration: var(--shiki-dark-text-decoration);}html.dark .shiki span {color: var(--shiki-dark);background: var(--shiki-dark-bg);font-style: var(--shiki-dark-font-style);font-weight: var(--shiki-dark-font-weight);text-decoration: var(--shiki-dark-text-decoration);}html pre.shiki code .sJj4R, html code.shiki .sJj4R{--shiki-light:#098658;--shiki-default:#B5CEA8;--shiki-dark:#B5CEA8}html pre.shiki code .sN1BT, html code.shiki .sN1BT{--shiki-light:#267F99;--shiki-default:#4EC9B0;--shiki-dark:#4EC9B0}html pre.shiki code .shsrj, html code.shiki .shsrj{--shiki-light:#811F3F;--shiki-default:#D16969;--shiki-dark:#D16969}html pre.shiki code .sYsli, html code.shiki .sYsli{--shiki-light:#000000;--shiki-default:#D7BA7D;--shiki-dark:#D7BA7D}html pre.shiki code .sD7JJ, html code.shiki .sD7JJ{--shiki-light:#000000FF;--shiki-default:#D4D4D4;--shiki-dark:#D4D4D4}html pre.shiki code .sjcCO, html code.shiki .sjcCO{--shiki-light:#EE0000;--shiki-default:#D7BA7D;--shiki-dark:#D7BA7D}html pre.shiki code .sAV2Q, html code.shiki .sAV2Q{--shiki-light:#D16969;--shiki-default:#CE9178;--shiki-dark:#CE9178}html pre.shiki code .siofk, html code.shiki .siofk{--shiki-light:#EE0000;--shiki-default:#DCDCAA;--shiki-dark:#DCDCAA}",{"title":5202,"searchDepth":5231,"depth":5231,"links":25086},[25087,25092,25096,25104,25112,25121,25127,25132,25133,25134,25135],{"id":5173,"depth":5231,"text":5174,"children":25088},[25089,25090,25091],{"id":5178,"depth":5238,"text":5179},{"id":5493,"depth":5238,"text":5494},{"id":5765,"depth":5238,"text":5766},{"id":6289,"depth":5231,"text":6290,"children":25093},[25094,25095],{"id":6421,"depth":5238,"text":6422},{"id":6582,"depth":5238,"text":6583},{"id":6999,"depth":5231,"text":7000,"children":25097},[25098,25099,25100,25101,25102,25103],{"id":7003,"depth":5238,"text":7004},{"id":7243,"depth":5238,"text":7244},{"id":7941,"depth":5238,"text":7942},{"id":8043,"depth":5238,"text":8044},{"id":8708,"depth":5238,"text":8709},{"id":9224,"depth":5238,"text":9225},{"id":10109,"depth":5231,"text":10110,"children":25105},[25106,25107,25108,25109,25110,25111],{"id":10113,"depth":5238,"text":10114},{"id":10342,"depth":5238,"text":10343},{"id":10676,"depth":5238,"text":10677},{"id":10719,"depth":5238,"text":10720},{"id":11416,"depth":5238,"text":11417},{"id":12567,"depth":5238,"text":12568},{"id":13350,"depth":5231,"text":13351,"children":25113},[25114,25115,25116,25117,25118,25119,25120],{"id":13354,"depth":5238,"text":13355},{"id":13732,"depth":5238,"text":13733},{"id":14185,"depth":5238,"text":14186},{"id":14939,"depth":5238,"text":14940},{"id":15146,"depth":5238,"text":15147},{"id":15579,"depth":5238,"text":15580},{"id":16515,"depth":5238,"text":16516},{"id":17099,"depth":5231,"text":17100,"children":25122},[25123,25124,25125,25126],{"id":17103,"depth":5238,"text":17104},{"id":17520,"depth":5238,"text":17521},{"id":19113,"depth":5238,"text":19114},{"id":20201,"depth":5238,"text":20202},{"id":21026,"depth":5231,"text":21027,"children":25128},[25129,25130,25131],{"id":21030,"depth":5238,"text":21031},{"id":21936,"depth":5238,"text":21937},{"id":22977,"depth":5238,"text":22978},{"id":23693,"depth":5231,"text":23694},{"id":24217,"depth":5231,"text":24218},{"id":24877,"depth":5231,"text":24878},{"id":24983,"depth":5231,"text":24984},"Readable, Writable, Duplex, Transform streams, piping, backpressure","md",null,{},{"title":4201,"description":25136},"G4nMpc6DUtXssjEc4eKZg4R80Hr2jtPDB_NytKC6e8k",[25143,25145],{"title":4197,"path":4198,"stem":4199,"description":25144,"children":-1},"Створення HTTP-сервера без фреймворків, обробка запитів та відповідей",{"title":4205,"path":4206,"stem":4207,"description":25146,"children":-1},"Утиліти Node.js: promisify, inspect, types, форматування, перетворення callback на Promise",1790366004309]