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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 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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":4262,"body":5076,"description":20891,"extension":20892,"links":20893,"meta":20894,"navigation":5480,"path":4263,"seo":20895,"stem":4264,"__hash__":20896},"docs\u002F18.web-development\u002F06.async-programming-nodejs\u002F10.error-handling.md",{"type":5077,"value":5078,"toc":20840},"minimark",[5079,5083,5197,5202,5210,5217,5227,5606,5620,5627,5637,5821,5841,6007,6033,6037,6054,6308,6311,6344,6348,7120,7127,7138,7149,7158,7179,7183,7697,7707,7716,8195,8203,8220,8224,8227,8999,9002,9006,9009,9029,9036,9049,9264,9349,9366,9373,9388,9596,9659,9672,9676,9679,10489,10492,10510,10514,10522,10550,10554,10557,10603,11410,11487,11491,11735,11748,11752,12617,12620,12624,12637,12641,13150,13153,13196,13200,14891,14894,14906,14910,15948,15951,15955,15963,15967,16009,16062,16065,16103,16107,16114,16181,16196,16199,16225,16229,16584,16712,16715,16719,16723,16732,16746,16755,16773,17091,17097,17101,17312,17317,17365,17369,17812,17816,18256,18260,18648,18652,18857,18861,20554,20558,20686,20690,20804,20836],[5080,5081,4262],"h1",{"id":5082},"обробка-помилок-у-асинхронному-коді",[5084,5085,5086,5124],"card-group",{},[5087,5088,5091],"card",{"icon":5089,"title":5090},"i-lucide-target","🎯 Мета лекції",[5092,5093,5094,5098,5110,5118,5121],"ul",{},[5095,5096,5097],"li",{},"Опанувати фундаментальну різницю між обробкою синхронних та асинхронних помилок у Node.js.",[5095,5099,5100,5101,5105,5106,5109],{},"Зрозуміти механізми захисту застосунку: ",[5102,5103,5104],"code",{},"try\u002Fcatch",", ",[5102,5107,5108],{},".catch()",", глобальні обробники подій.",[5095,5111,5112,5113,5117],{},"Навчитися проєктувати надійні (",[5114,5115,5116],"em",{},"resilient",") системи через graceful shutdown та централізоване логування.",[5095,5119,5120],{},"Дослідити створення власних класів помилок для семантичного розмежування типів помилок.",[5095,5122,5123],{},"Оволодіти технікою коректного завершення процесу при критичних збоях.",[5087,5125,5127],{"icon":4574,"title":5126},"🔑 Ключові терміни",[5092,5128,5129,5143,5162,5171,5188],{},[5095,5130,5131,5139,5140,5142],{},[5132,5133,5134,5135,5138],"strong",{},"Uncaught Exception (",[5114,5136,5137],{},"необроблений виняток","):"," синхронна помилка, що не була перехоплена жодним ",[5102,5141,5104],{}," блоком та досягла верхнього рівня стеку викликів.",[5095,5144,5145,5151,5152,5154,5155,5157,5158,5161],{},[5132,5146,5147,5148,5138],{},"Unhandled Rejection (",[5114,5149,5150],{},"необроблене відхилення"," проміс, що був відхилений, але не має обробника ",[5102,5153,5108],{}," або ",[5102,5156,5104],{}," у ",[5102,5159,5160],{},"async"," функції.",[5095,5163,5164,5170],{},[5132,5165,5166,5167,5138],{},"Graceful Shutdown (",[5114,5168,5169],{},"коректне завершення"," контрольована процедура зупинки застосунку з закриттям відкритих ресурсів (з'єднання, файли, сокети) перед завершенням процесу.",[5095,5172,5173,5179,5180,5183,5184,5187],{},[5132,5174,5175,5176,5138],{},"Signal (",[5114,5177,5178],{},"сигнал"," повідомлення операційної системи до процесу про необхідність виконати певну дію (наприклад, ",[5102,5181,5182],{},"SIGTERM"," — запит на завершення, ",[5102,5185,5186],{},"SIGINT"," — переривання з клавіатури).",[5095,5189,5190,5196],{},[5132,5191,5192,5193,5138],{},"Stack Trace (",[5114,5194,5195],{},"трасування стеку"," послідовність викликів функцій, що привели до виникнення помилки — критично важливий інструмент для налагодження.",[5198,5199,5201],"h2",{"id":5200},"фундаментальна-дихотомія-синхронні-та-асинхронні-помилки","Фундаментальна дихотомія: синхронні та асинхронні помилки",[5203,5204,5205,5206,5209],"p",{},"Одна з найбільших концептуальних складнощів Node.js полягає у тому, що ",[5132,5207,5208],{},"синхронні та асинхронні помилки обробляються принципово різними механізмами",". Ця відмінність випливає з архітектури Event Loop: синхронний код виконується безпосередньо у поточному стеку викликів, тоді як асинхронний код виконується у майбутньому циклі подій — часто після того, як початкова функція вже завершила свою роботу.",[5211,5212,5214,5215],"h3",{"id":5213},"синхронні-помилки-традиційна-модель-trycatch","Синхронні помилки: традиційна модель ",[5102,5216,5104],{},[5203,5218,5219,5220,5223,5224,5226],{},"Синхронні помилки виникають ",[5132,5221,5222],{},"безпосередньо під час виконання коду"," у поточному стеку викликів. Вони можуть бути перехоплені через блок ",[5102,5225,5104],{},":",[5228,5229,5234],"pre",{"className":5230,"code":5231,"language":5232,"meta":5233,"style":5233},"language-typescript shiki shiki-themes light-plus dark-plus dark-plus","function parseJSON(jsonString: string): any {\n  try {\n    const data = JSON.parse(jsonString); \u002F\u002F Може викинути SyntaxError\n    \n    if (!data.user || !data.user.id) {\n      throw new Error('Невалідна структура даних: відсутнє поле user.id');\n    }\n    \n    return data;\n  } catch (error) {\n    console.error('Помилка парсингу JSON:', (error as Error).message);\n    throw error; \u002F\u002F Передаємо помилку вище по стеку\n  }\n}\n\n\u002F\u002F Використання\ntry {\n  const config = parseJSON('{ \"user\": { \"id\": 42 } }');\n  console.log('Конфігурація завантажена:', config);\n} catch (error) {\n  console.error('Критична помилка:', (error as Error).message);\n  process.exit(1);\n}\n","typescript","",[5102,5235,5236,5273,5282,5315,5321,5355,5376,5382,5387,5398,5415,5448,5463,5469,5475,5482,5488,5496,5517,5540,5554,5582,5601],{"__ignoreMap":5233},[5237,5238,5241,5245,5249,5253,5257,5260,5264,5267,5270],"span",{"class":5239,"line":5240},"line",1,[5237,5242,5244],{"class":5243},"su1O8","function",[5237,5246,5248],{"class":5247},"s8Opu"," parseJSON",[5237,5250,5252],{"class":5251},"sHH4Y","(",[5237,5254,5256],{"class":5255},"siwwj","jsonString",[5237,5258,5259],{"class":5251},": ",[5237,5261,5263],{"class":5262},"sN1BT","string",[5237,5265,5266],{"class":5251},"): ",[5237,5268,5269],{"class":5262},"any",[5237,5271,5272],{"class":5251}," {\n",[5237,5274,5276,5280],{"class":5239,"line":5275},2,[5237,5277,5279],{"class":5278},"s8xlr","  try",[5237,5281,5272],{"class":5251},[5237,5283,5285,5288,5292,5295,5298,5301,5304,5306,5308,5311],{"class":5239,"line":5284},3,[5237,5286,5287],{"class":5243},"    const",[5237,5289,5291],{"class":5290},"s-QsJ"," data",[5237,5293,5294],{"class":5251}," = ",[5237,5296,5297],{"class":5290},"JSON",[5237,5299,5300],{"class":5251},".",[5237,5302,5303],{"class":5247},"parse",[5237,5305,5252],{"class":5251},[5237,5307,5256],{"class":5255},[5237,5309,5310],{"class":5251},"); ",[5237,5312,5314],{"class":5313},"spJ8K","\u002F\u002F Може викинути SyntaxError\n",[5237,5316,5318],{"class":5239,"line":5317},4,[5237,5319,5320],{"class":5251},"    \n",[5237,5322,5324,5327,5330,5333,5335,5338,5341,5343,5345,5347,5349,5352],{"class":5239,"line":5323},5,[5237,5325,5326],{"class":5278},"    if",[5237,5328,5329],{"class":5251}," (!",[5237,5331,5332],{"class":5255},"data",[5237,5334,5300],{"class":5251},[5237,5336,5337],{"class":5255},"user",[5237,5339,5340],{"class":5251}," || !",[5237,5342,5332],{"class":5255},[5237,5344,5300],{"class":5251},[5237,5346,5337],{"class":5255},[5237,5348,5300],{"class":5251},[5237,5350,5351],{"class":5255},"id",[5237,5353,5354],{"class":5251},") {\n",[5237,5356,5358,5361,5364,5367,5369,5373],{"class":5239,"line":5357},6,[5237,5359,5360],{"class":5278},"      throw",[5237,5362,5363],{"class":5243}," new",[5237,5365,5366],{"class":5247}," Error",[5237,5368,5252],{"class":5251},[5237,5370,5372],{"class":5371},"sbdoH","'Невалідна структура даних: відсутнє поле user.id'",[5237,5374,5375],{"class":5251},");\n",[5237,5377,5379],{"class":5239,"line":5378},7,[5237,5380,5381],{"class":5251},"    }\n",[5237,5383,5385],{"class":5239,"line":5384},8,[5237,5386,5320],{"class":5251},[5237,5388,5390,5393,5395],{"class":5239,"line":5389},9,[5237,5391,5392],{"class":5278},"    return",[5237,5394,5291],{"class":5255},[5237,5396,5397],{"class":5251},";\n",[5237,5399,5401,5404,5407,5410,5413],{"class":5239,"line":5400},10,[5237,5402,5403],{"class":5251},"  } ",[5237,5405,5406],{"class":5278},"catch",[5237,5408,5409],{"class":5251}," (",[5237,5411,5412],{"class":5255},"error",[5237,5414,5354],{"class":5251},[5237,5416,5418,5421,5423,5425,5427,5430,5433,5435,5438,5440,5443,5446],{"class":5239,"line":5417},11,[5237,5419,5420],{"class":5255},"    console",[5237,5422,5300],{"class":5251},[5237,5424,5412],{"class":5247},[5237,5426,5252],{"class":5251},[5237,5428,5429],{"class":5371},"'Помилка парсингу JSON:'",[5237,5431,5432],{"class":5251},", (",[5237,5434,5412],{"class":5255},[5237,5436,5437],{"class":5278}," as",[5237,5439,5366],{"class":5262},[5237,5441,5442],{"class":5251},").",[5237,5444,5445],{"class":5255},"message",[5237,5447,5375],{"class":5251},[5237,5449,5451,5454,5457,5460],{"class":5239,"line":5450},12,[5237,5452,5453],{"class":5278},"    throw",[5237,5455,5456],{"class":5255}," error",[5237,5458,5459],{"class":5251},"; ",[5237,5461,5462],{"class":5313},"\u002F\u002F Передаємо помилку вище по стеку\n",[5237,5464,5466],{"class":5239,"line":5465},13,[5237,5467,5468],{"class":5251},"  }\n",[5237,5470,5472],{"class":5239,"line":5471},14,[5237,5473,5474],{"class":5251},"}\n",[5237,5476,5478],{"class":5239,"line":5477},15,[5237,5479,5481],{"emptyLinePlaceholder":5480},true,"\n",[5237,5483,5485],{"class":5239,"line":5484},16,[5237,5486,5487],{"class":5313},"\u002F\u002F Використання\n",[5237,5489,5491,5494],{"class":5239,"line":5490},17,[5237,5492,5493],{"class":5278},"try",[5237,5495,5272],{"class":5251},[5237,5497,5499,5502,5505,5507,5510,5512,5515],{"class":5239,"line":5498},18,[5237,5500,5501],{"class":5243},"  const",[5237,5503,5504],{"class":5290}," config",[5237,5506,5294],{"class":5251},[5237,5508,5509],{"class":5247},"parseJSON",[5237,5511,5252],{"class":5251},[5237,5513,5514],{"class":5371},"'{ \"user\": { \"id\": 42 } }'",[5237,5516,5375],{"class":5251},[5237,5518,5520,5523,5525,5528,5530,5533,5535,5538],{"class":5239,"line":5519},19,[5237,5521,5522],{"class":5255},"  console",[5237,5524,5300],{"class":5251},[5237,5526,5527],{"class":5247},"log",[5237,5529,5252],{"class":5251},[5237,5531,5532],{"class":5371},"'Конфігурація завантажена:'",[5237,5534,5105],{"class":5251},[5237,5536,5537],{"class":5255},"config",[5237,5539,5375],{"class":5251},[5237,5541,5543,5546,5548,5550,5552],{"class":5239,"line":5542},20,[5237,5544,5545],{"class":5251},"} ",[5237,5547,5406],{"class":5278},[5237,5549,5409],{"class":5251},[5237,5551,5412],{"class":5255},[5237,5553,5354],{"class":5251},[5237,5555,5557,5559,5561,5563,5565,5568,5570,5572,5574,5576,5578,5580],{"class":5239,"line":5556},21,[5237,5558,5522],{"class":5255},[5237,5560,5300],{"class":5251},[5237,5562,5412],{"class":5247},[5237,5564,5252],{"class":5251},[5237,5566,5567],{"class":5371},"'Критична помилка:'",[5237,5569,5432],{"class":5251},[5237,5571,5412],{"class":5255},[5237,5573,5437],{"class":5278},[5237,5575,5366],{"class":5262},[5237,5577,5442],{"class":5251},[5237,5579,5445],{"class":5255},[5237,5581,5375],{"class":5251},[5237,5583,5585,5588,5590,5593,5595,5599],{"class":5239,"line":5584},22,[5237,5586,5587],{"class":5255},"  process",[5237,5589,5300],{"class":5251},[5237,5591,5592],{"class":5247},"exit",[5237,5594,5252],{"class":5251},[5237,5596,5598],{"class":5597},"sJj4R","1",[5237,5600,5375],{"class":5251},[5237,5602,5604],{"class":5239,"line":5603},23,[5237,5605,5474],{"class":5251},[5203,5607,5608,5609,5612,5613,5616,5617,5619],{},"У цьому прикладі помилка парсингу JSON відбувається ",[5132,5610,5611],{},"синхронно"," — одразу під час виклику ",[5102,5614,5615],{},"JSON.parse()",". Блок ",[5102,5618,5104],{}," успішно перехоплює її, оскільки помилка виникає у межах того ж стеку викликів.",[5211,5621,5623,5624,5626],{"id":5622},"асинхронні-помилки-чому-trycatch-не-працює","Асинхронні помилки: чому ",[5102,5625,5104],{}," не працює",[5203,5628,5629,5630,5633,5634,5636],{},"Проблема виникає, коли помилка відбувається ",[5132,5631,5632],{},"всередині асинхронної операції"," — callback, проміс або таймер. На момент виникнення помилки початкова функція вже завершила свою роботу, і блок ",[5102,5635,5104],{}," не може її перехопити:",[5228,5638,5640],{"className":5230,"code":5639,"language":5232,"meta":5233,"style":5233},"import { readFile } from 'node:fs';\n\n\u002F\u002F ❌ АНТИПАТТЕРН: try\u002Fcatch НЕ перехопить помилку\ntry {\n  readFile('.\u002Fconfig.json', 'utf-8', (err, data) => {\n    if (err) {\n      throw err; \u002F\u002F Помилка виникає у callback, ЗА МЕЖАМИ try\u002Fcatch!\n    }\n    console.log('Файл прочитано:', data);\n  });\n} catch (error) {\n  \u002F\u002F Цей блок НІКОЛИ не виконається для помилок callback\n  console.error('Помилка:', error);\n}\n\nconsole.log('Код продовжує виконуватися...');\n",[5102,5641,5642,5664,5668,5673,5679,5711,5721,5733,5737,5756,5761,5773,5778,5797,5801,5805],{"__ignoreMap":5233},[5237,5643,5644,5647,5650,5653,5656,5659,5662],{"class":5239,"line":5240},[5237,5645,5646],{"class":5278},"import",[5237,5648,5649],{"class":5251}," { ",[5237,5651,5652],{"class":5255},"readFile",[5237,5654,5655],{"class":5251}," } ",[5237,5657,5658],{"class":5278},"from",[5237,5660,5661],{"class":5371}," 'node:fs'",[5237,5663,5397],{"class":5251},[5237,5665,5666],{"class":5239,"line":5275},[5237,5667,5481],{"emptyLinePlaceholder":5480},[5237,5669,5670],{"class":5239,"line":5284},[5237,5671,5672],{"class":5313},"\u002F\u002F ❌ АНТИПАТТЕРН: try\u002Fcatch НЕ перехопить помилку\n",[5237,5674,5675,5677],{"class":5239,"line":5317},[5237,5676,5493],{"class":5278},[5237,5678,5272],{"class":5251},[5237,5680,5681,5684,5686,5689,5691,5694,5696,5699,5701,5703,5706,5709],{"class":5239,"line":5323},[5237,5682,5683],{"class":5247},"  readFile",[5237,5685,5252],{"class":5251},[5237,5687,5688],{"class":5371},"'.\u002Fconfig.json'",[5237,5690,5105],{"class":5251},[5237,5692,5693],{"class":5371},"'utf-8'",[5237,5695,5432],{"class":5251},[5237,5697,5698],{"class":5255},"err",[5237,5700,5105],{"class":5251},[5237,5702,5332],{"class":5255},[5237,5704,5705],{"class":5251},") ",[5237,5707,5708],{"class":5243},"=>",[5237,5710,5272],{"class":5251},[5237,5712,5713,5715,5717,5719],{"class":5239,"line":5357},[5237,5714,5326],{"class":5278},[5237,5716,5409],{"class":5251},[5237,5718,5698],{"class":5255},[5237,5720,5354],{"class":5251},[5237,5722,5723,5725,5728,5730],{"class":5239,"line":5378},[5237,5724,5360],{"class":5278},[5237,5726,5727],{"class":5255}," err",[5237,5729,5459],{"class":5251},[5237,5731,5732],{"class":5313},"\u002F\u002F Помилка виникає у callback, ЗА МЕЖАМИ try\u002Fcatch!\n",[5237,5734,5735],{"class":5239,"line":5384},[5237,5736,5381],{"class":5251},[5237,5738,5739,5741,5743,5745,5747,5750,5752,5754],{"class":5239,"line":5389},[5237,5740,5420],{"class":5255},[5237,5742,5300],{"class":5251},[5237,5744,5527],{"class":5247},[5237,5746,5252],{"class":5251},[5237,5748,5749],{"class":5371},"'Файл прочитано:'",[5237,5751,5105],{"class":5251},[5237,5753,5332],{"class":5255},[5237,5755,5375],{"class":5251},[5237,5757,5758],{"class":5239,"line":5400},[5237,5759,5760],{"class":5251},"  });\n",[5237,5762,5763,5765,5767,5769,5771],{"class":5239,"line":5417},[5237,5764,5545],{"class":5251},[5237,5766,5406],{"class":5278},[5237,5768,5409],{"class":5251},[5237,5770,5412],{"class":5255},[5237,5772,5354],{"class":5251},[5237,5774,5775],{"class":5239,"line":5450},[5237,5776,5777],{"class":5313},"  \u002F\u002F Цей блок НІКОЛИ не виконається для помилок callback\n",[5237,5779,5780,5782,5784,5786,5788,5791,5793,5795],{"class":5239,"line":5465},[5237,5781,5522],{"class":5255},[5237,5783,5300],{"class":5251},[5237,5785,5412],{"class":5247},[5237,5787,5252],{"class":5251},[5237,5789,5790],{"class":5371},"'Помилка:'",[5237,5792,5105],{"class":5251},[5237,5794,5412],{"class":5255},[5237,5796,5375],{"class":5251},[5237,5798,5799],{"class":5239,"line":5471},[5237,5800,5474],{"class":5251},[5237,5802,5803],{"class":5239,"line":5477},[5237,5804,5481],{"emptyLinePlaceholder":5480},[5237,5806,5807,5810,5812,5814,5816,5819],{"class":5239,"line":5484},[5237,5808,5809],{"class":5255},"console",[5237,5811,5300],{"class":5251},[5237,5813,5527],{"class":5247},[5237,5815,5252],{"class":5251},[5237,5817,5818],{"class":5371},"'Код продовжує виконуватися...'",[5237,5820,5375],{"class":5251},[5203,5822,5823,5824,5826,5827,5830,5831,5833,5834,5409,5837,5840],{},"У цьому прикладі ",[5102,5825,5104],{}," не спрацює, оскільки callback виконується ",[5132,5828,5829],{},"у наступному циклі Event Loop",", коли блок ",[5102,5832,5493],{}," вже завершив свою роботу. Якщо файл не існує, помилка стане ",[5132,5835,5836],{},"необробленим винятком",[5114,5838,5839],{},"uncaught exception","), що призведе до аварійного завершення процесу Node.js.",[5842,5843,5845],"plant-uml",{"alt":5844},"Чому try\u002Fcatch не працює для callback",[5228,5846,5850],{"className":5847,"code":5848,"language":5849,"meta":5233,"style":5233},"language-plantuml shiki shiki-themes light-plus dark-plus dark-plus","@startuml\nskinparam style plain\nskinparam backgroundColor #FFFFFF\n\nparticipant \"Main Thread\" as Main\nparticipant \"Event Loop\" as Loop\nparticipant \"File System\" as FS\n\nMain -> Main : try { readFile(...) }\nactivate Main\nnote right : try\u002Fcatch активний\n\nMain -> FS : Запит на читання файлу\nMain -> Main : }\nnote right : try\u002Fcatch ЗАВЕРШИВСЯ\n\nMain -> Loop : Передача управління\ndeactivate Main\n\n... Очікування IO операції ...\n\nFS -> Loop : Результат (помилка)\nLoop -> Loop : Виклик callback\nactivate Loop\nnote right : try\u002Fcatch вже НЕАКТИВНИЙ!\n\nLoop -> Loop : throw err\nnote right #FECACA : Uncaught Exception\n\nLoop -> Main : process.exit(1)\n@enduml\n","plantuml",[5102,5851,5852,5857,5862,5867,5871,5876,5881,5886,5890,5895,5900,5905,5909,5914,5919,5924,5928,5933,5938,5942,5947,5951,5956,5961,5967,5973,5978,5984,5990,5995,6001],{"__ignoreMap":5233},[5237,5853,5854],{"class":5239,"line":5240},[5237,5855,5856],{},"@startuml\n",[5237,5858,5859],{"class":5239,"line":5275},[5237,5860,5861],{},"skinparam style plain\n",[5237,5863,5864],{"class":5239,"line":5284},[5237,5865,5866],{},"skinparam backgroundColor #FFFFFF\n",[5237,5868,5869],{"class":5239,"line":5317},[5237,5870,5481],{"emptyLinePlaceholder":5480},[5237,5872,5873],{"class":5239,"line":5323},[5237,5874,5875],{},"participant \"Main Thread\" as Main\n",[5237,5877,5878],{"class":5239,"line":5357},[5237,5879,5880],{},"participant \"Event Loop\" as Loop\n",[5237,5882,5883],{"class":5239,"line":5378},[5237,5884,5885],{},"participant \"File System\" as FS\n",[5237,5887,5888],{"class":5239,"line":5384},[5237,5889,5481],{"emptyLinePlaceholder":5480},[5237,5891,5892],{"class":5239,"line":5389},[5237,5893,5894],{},"Main -> Main : try { readFile(...) }\n",[5237,5896,5897],{"class":5239,"line":5400},[5237,5898,5899],{},"activate Main\n",[5237,5901,5902],{"class":5239,"line":5417},[5237,5903,5904],{},"note right : try\u002Fcatch активний\n",[5237,5906,5907],{"class":5239,"line":5450},[5237,5908,5481],{"emptyLinePlaceholder":5480},[5237,5910,5911],{"class":5239,"line":5465},[5237,5912,5913],{},"Main -> FS : Запит на читання файлу\n",[5237,5915,5916],{"class":5239,"line":5471},[5237,5917,5918],{},"Main -> Main : }\n",[5237,5920,5921],{"class":5239,"line":5477},[5237,5922,5923],{},"note right : try\u002Fcatch ЗАВЕРШИВСЯ\n",[5237,5925,5926],{"class":5239,"line":5484},[5237,5927,5481],{"emptyLinePlaceholder":5480},[5237,5929,5930],{"class":5239,"line":5490},[5237,5931,5932],{},"Main -> Loop : Передача управління\n",[5237,5934,5935],{"class":5239,"line":5498},[5237,5936,5937],{},"deactivate Main\n",[5237,5939,5940],{"class":5239,"line":5519},[5237,5941,5481],{"emptyLinePlaceholder":5480},[5237,5943,5944],{"class":5239,"line":5542},[5237,5945,5946],{},"... Очікування IO операції ...\n",[5237,5948,5949],{"class":5239,"line":5556},[5237,5950,5481],{"emptyLinePlaceholder":5480},[5237,5952,5953],{"class":5239,"line":5584},[5237,5954,5955],{},"FS -> Loop : Результат (помилка)\n",[5237,5957,5958],{"class":5239,"line":5603},[5237,5959,5960],{},"Loop -> Loop : Виклик callback\n",[5237,5962,5964],{"class":5239,"line":5963},24,[5237,5965,5966],{},"activate Loop\n",[5237,5968,5970],{"class":5239,"line":5969},25,[5237,5971,5972],{},"note right : try\u002Fcatch вже НЕАКТИВНИЙ!\n",[5237,5974,5976],{"class":5239,"line":5975},26,[5237,5977,5481],{"emptyLinePlaceholder":5480},[5237,5979,5981],{"class":5239,"line":5980},27,[5237,5982,5983],{},"Loop -> Loop : throw err\n",[5237,5985,5987],{"class":5239,"line":5986},28,[5237,5988,5989],{},"note right #FECACA : Uncaught Exception\n",[5237,5991,5993],{"class":5239,"line":5992},29,[5237,5994,5481],{"emptyLinePlaceholder":5480},[5237,5996,5998],{"class":5239,"line":5997},30,[5237,5999,6000],{},"Loop -> Main : process.exit(1)\n",[5237,6002,6004],{"class":5239,"line":6003},31,[5237,6005,6006],{},"@enduml\n",[6008,6009,6010,6011,6013,6014,6017,6018,6021,6022,6024,6025,5154,6027,6029,6030,5300],"warning",{},"Ніколи не використовуйте ",[5102,6012,5104],{}," для обробки помилок у callback-функціях, промісах без ",[5102,6015,6016],{},"await",", або таймерах. У цих контекстах помилка виникає ",[5132,6019,6020],{},"асинхронно",", за межами блоку ",[5102,6023,5104],{},", що робить його безсилим. Для callback використовуйте Error-First Callback pattern, для промісів — ",[5102,6026,5108],{},[5102,6028,5104],{}," з ",[5102,6031,6032],{},"async\u002Fawait",[5198,6034,6036],{"id":6035},"error-first-callback-конвенція-nodejs-для-callback-based-api","Error-First Callback: конвенція Node.js для callback-based API",[5203,6038,6039,6040,6043,6044,5409,6047,5154,6050,6053],{},"До появи промісів Node.js використовував ",[5132,6041,6042],{},"Error-First Callback"," як стандартну конвенцію обробки помилок у асинхронних операціях. Ця конвенція передбачає, що ",[5132,6045,6046],{},"перший аргумент callback завжди є помилкою",[5102,6048,6049],{},"null",[5102,6051,6052],{},"undefined"," у разі успіху), а наступні аргументи містять результат:",[5228,6055,6057],{"className":5230,"code":6056,"language":5232,"meta":5233,"style":5233},"import { readFile, writeFile } from 'node:fs';\n\n\u002F\u002F Сигнатура Error-First Callback:\n\u002F\u002F callback(err: Error | null, data?: T)\n\nreadFile('.\u002Fuser.json', 'utf-8', (err, data) => {\n  if (err) {\n    \u002F\u002F Помилка відбулася — обробляємо її\n    console.error('Помилка читання файлу:', err.message);\n    return; \u002F\u002F КРИТИЧНО: завершуємо виконання callback\n  }\n  \n  \u002F\u002F Якщо err === null, data гарантовано містить результат\n  console.log('Файл прочитано:', data);\n  \n  try {\n    const user = JSON.parse(data);\n    console.log('Користувач:', user.name);\n  } catch (parseError) {\n    console.error('Помилка парсингу JSON:', (parseError as Error).message);\n  }\n});\n",[5102,6058,6059,6080,6084,6089,6094,6098,6125,6136,6141,6164,6173,6177,6182,6187,6205,6209,6215,6236,6260,6273,6299,6303],{"__ignoreMap":5233},[5237,6060,6061,6063,6065,6067,6069,6072,6074,6076,6078],{"class":5239,"line":5240},[5237,6062,5646],{"class":5278},[5237,6064,5649],{"class":5251},[5237,6066,5652],{"class":5255},[5237,6068,5105],{"class":5251},[5237,6070,6071],{"class":5255},"writeFile",[5237,6073,5655],{"class":5251},[5237,6075,5658],{"class":5278},[5237,6077,5661],{"class":5371},[5237,6079,5397],{"class":5251},[5237,6081,6082],{"class":5239,"line":5275},[5237,6083,5481],{"emptyLinePlaceholder":5480},[5237,6085,6086],{"class":5239,"line":5284},[5237,6087,6088],{"class":5313},"\u002F\u002F Сигнатура Error-First Callback:\n",[5237,6090,6091],{"class":5239,"line":5317},[5237,6092,6093],{"class":5313},"\u002F\u002F callback(err: Error | null, data?: T)\n",[5237,6095,6096],{"class":5239,"line":5323},[5237,6097,5481],{"emptyLinePlaceholder":5480},[5237,6099,6100,6102,6104,6107,6109,6111,6113,6115,6117,6119,6121,6123],{"class":5239,"line":5357},[5237,6101,5652],{"class":5247},[5237,6103,5252],{"class":5251},[5237,6105,6106],{"class":5371},"'.\u002Fuser.json'",[5237,6108,5105],{"class":5251},[5237,6110,5693],{"class":5371},[5237,6112,5432],{"class":5251},[5237,6114,5698],{"class":5255},[5237,6116,5105],{"class":5251},[5237,6118,5332],{"class":5255},[5237,6120,5705],{"class":5251},[5237,6122,5708],{"class":5243},[5237,6124,5272],{"class":5251},[5237,6126,6127,6130,6132,6134],{"class":5239,"line":5378},[5237,6128,6129],{"class":5278},"  if",[5237,6131,5409],{"class":5251},[5237,6133,5698],{"class":5255},[5237,6135,5354],{"class":5251},[5237,6137,6138],{"class":5239,"line":5384},[5237,6139,6140],{"class":5313},"    \u002F\u002F Помилка відбулася — обробляємо її\n",[5237,6142,6143,6145,6147,6149,6151,6154,6156,6158,6160,6162],{"class":5239,"line":5389},[5237,6144,5420],{"class":5255},[5237,6146,5300],{"class":5251},[5237,6148,5412],{"class":5247},[5237,6150,5252],{"class":5251},[5237,6152,6153],{"class":5371},"'Помилка читання файлу:'",[5237,6155,5105],{"class":5251},[5237,6157,5698],{"class":5255},[5237,6159,5300],{"class":5251},[5237,6161,5445],{"class":5255},[5237,6163,5375],{"class":5251},[5237,6165,6166,6168,6170],{"class":5239,"line":5400},[5237,6167,5392],{"class":5278},[5237,6169,5459],{"class":5251},[5237,6171,6172],{"class":5313},"\u002F\u002F КРИТИЧНО: завершуємо виконання callback\n",[5237,6174,6175],{"class":5239,"line":5417},[5237,6176,5468],{"class":5251},[5237,6178,6179],{"class":5239,"line":5450},[5237,6180,6181],{"class":5251},"  \n",[5237,6183,6184],{"class":5239,"line":5465},[5237,6185,6186],{"class":5313},"  \u002F\u002F Якщо err === null, data гарантовано містить результат\n",[5237,6188,6189,6191,6193,6195,6197,6199,6201,6203],{"class":5239,"line":5471},[5237,6190,5522],{"class":5255},[5237,6192,5300],{"class":5251},[5237,6194,5527],{"class":5247},[5237,6196,5252],{"class":5251},[5237,6198,5749],{"class":5371},[5237,6200,5105],{"class":5251},[5237,6202,5332],{"class":5255},[5237,6204,5375],{"class":5251},[5237,6206,6207],{"class":5239,"line":5477},[5237,6208,6181],{"class":5251},[5237,6210,6211,6213],{"class":5239,"line":5484},[5237,6212,5279],{"class":5278},[5237,6214,5272],{"class":5251},[5237,6216,6217,6219,6222,6224,6226,6228,6230,6232,6234],{"class":5239,"line":5490},[5237,6218,5287],{"class":5243},[5237,6220,6221],{"class":5290}," user",[5237,6223,5294],{"class":5251},[5237,6225,5297],{"class":5290},[5237,6227,5300],{"class":5251},[5237,6229,5303],{"class":5247},[5237,6231,5252],{"class":5251},[5237,6233,5332],{"class":5255},[5237,6235,5375],{"class":5251},[5237,6237,6238,6240,6242,6244,6246,6249,6251,6253,6255,6258],{"class":5239,"line":5498},[5237,6239,5420],{"class":5255},[5237,6241,5300],{"class":5251},[5237,6243,5527],{"class":5247},[5237,6245,5252],{"class":5251},[5237,6247,6248],{"class":5371},"'Користувач:'",[5237,6250,5105],{"class":5251},[5237,6252,5337],{"class":5255},[5237,6254,5300],{"class":5251},[5237,6256,6257],{"class":5255},"name",[5237,6259,5375],{"class":5251},[5237,6261,6262,6264,6266,6268,6271],{"class":5239,"line":5519},[5237,6263,5403],{"class":5251},[5237,6265,5406],{"class":5278},[5237,6267,5409],{"class":5251},[5237,6269,6270],{"class":5255},"parseError",[5237,6272,5354],{"class":5251},[5237,6274,6275,6277,6279,6281,6283,6285,6287,6289,6291,6293,6295,6297],{"class":5239,"line":5542},[5237,6276,5420],{"class":5255},[5237,6278,5300],{"class":5251},[5237,6280,5412],{"class":5247},[5237,6282,5252],{"class":5251},[5237,6284,5429],{"class":5371},[5237,6286,5432],{"class":5251},[5237,6288,6270],{"class":5255},[5237,6290,5437],{"class":5278},[5237,6292,5366],{"class":5262},[5237,6294,5442],{"class":5251},[5237,6296,5445],{"class":5255},[5237,6298,5375],{"class":5251},[5237,6300,6301],{"class":5239,"line":5556},[5237,6302,5468],{"class":5251},[5237,6304,6305],{"class":5239,"line":5584},[5237,6306,6307],{"class":5251},"});\n",[5203,6309,6310],{},"Критичні правила Error-First Callback:",[6312,6313,6314,6323,6332,6338],"ol",{},[5095,6315,6316,6322],{},[5132,6317,6318,6319,6321],{},"Завжди перевіряйте ",[5102,6320,5698],{}," першим",": код не повинен продовжуватися, якщо виникла помилка.",[5095,6324,6325,5259,6328,6331],{},[5132,6326,6327],{},"Використовуйте ранній вихід",[5102,6329,6330],{},"if (err) { ...; return; }"," запобігає виконанню решти коду.",[5095,6333,6334,6337],{},[5132,6335,6336],{},"Не викидайте виключення у callback",": це призведе до uncaught exception (див. попередній розділ).",[5095,6339,6340,6343],{},[5132,6341,6342],{},"Передавайте помилку вище",": якщо callback вкладений, передайте помилку до зовнішнього рівня.",[5211,6345,6347],{"id":6346},"приклад-вкладених-callback-з-передачею-помилок","Приклад вкладених callback з передачею помилок",[5228,6349,6351],{"className":5230,"code":6350,"language":5232,"meta":5233,"style":5233},"import { readFile, writeFile } from 'node:fs';\n\nfunction processUserData(userId: number, callback: (err: Error | null, summary?: any) => void): void {\n  \u002F\u002F Крок 1: Читання даних користувача\n  readFile(`.\u002Fusers\u002F${userId}.json`, 'utf-8', (err1, userData) => {\n    if (err1) {\n      return callback(err1); \u002F\u002F Передаємо помилку вище\n    }\n    \n    let user: any;\n    try {\n      user = JSON.parse(userData);\n    } catch (parseError) {\n      return callback(parseError as Error);\n    }\n    \n    \u002F\u002F Крок 2: Читання постів користувача\n    readFile(`.\u002Fposts\u002F${user.id}.json`, 'utf-8', (err2, postsData) => {\n      if (err2) {\n        return callback(err2);\n      }\n      \n      let posts: any;\n      try {\n        posts = JSON.parse(postsData);\n      } catch (parseError) {\n        return callback(parseError as Error);\n      }\n      \n      \u002F\u002F Крок 3: Формування звіту\n      const summary = {\n        user: user.name,\n        email: user.email,\n        postCount: posts.length,\n        lastPost: posts[posts.length - 1]?.title || 'Немає постів',\n      };\n      \n      \u002F\u002F Крок 4: Збереження звіту\n      writeFile('.\u002Fsummary.json', JSON.stringify(summary, null, 2), (err3) => {\n        if (err3) {\n          return callback(err3);\n        }\n        \n        callback(null, summary); \u002F\u002F Успіх — помилка null, результат у другому аргументі\n      });\n    });\n  });\n}\n\n\u002F\u002F Використання\nprocessUserData(42, (err, summary) => {\n  if (err) {\n    console.error('Помилка обробки даних користувача:', err.message);\n    process.exit(1);\n    return;\n  }\n  \n  console.log('Звіт створено:', summary);\n});\n",[5102,6352,6353,6373,6377,6438,6443,6483,6493,6510,6514,6518,6531,6538,6557,6570,6586,6590,6594,6599,6642,6653,6666,6671,6676,6690,6697,6716,6729,6745,6749,6753,6758,6769,6784,6799,6814,6851,6857,6862,6868,6913,6925,6939,6945,6951,6970,6976,6982,6987,6992,6997,7002,7027,7038,7062,7078,7085,7090,7095,7115],{"__ignoreMap":5233},[5237,6354,6355,6357,6359,6361,6363,6365,6367,6369,6371],{"class":5239,"line":5240},[5237,6356,5646],{"class":5278},[5237,6358,5649],{"class":5251},[5237,6360,5652],{"class":5255},[5237,6362,5105],{"class":5251},[5237,6364,6071],{"class":5255},[5237,6366,5655],{"class":5251},[5237,6368,5658],{"class":5278},[5237,6370,5661],{"class":5371},[5237,6372,5397],{"class":5251},[5237,6374,6375],{"class":5239,"line":5275},[5237,6376,5481],{"emptyLinePlaceholder":5480},[5237,6378,6379,6381,6384,6386,6389,6391,6394,6396,6399,6402,6404,6406,6409,6412,6414,6416,6419,6422,6424,6426,6428,6431,6433,6436],{"class":5239,"line":5284},[5237,6380,5244],{"class":5243},[5237,6382,6383],{"class":5247}," processUserData",[5237,6385,5252],{"class":5251},[5237,6387,6388],{"class":5255},"userId",[5237,6390,5259],{"class":5251},[5237,6392,6393],{"class":5262},"number",[5237,6395,5105],{"class":5251},[5237,6397,6398],{"class":5247},"callback",[5237,6400,6401],{"class":5251},": (",[5237,6403,5698],{"class":5255},[5237,6405,5259],{"class":5251},[5237,6407,6408],{"class":5262},"Error",[5237,6410,6411],{"class":5251}," | ",[5237,6413,6049],{"class":5262},[5237,6415,5105],{"class":5251},[5237,6417,6418],{"class":5255},"summary",[5237,6420,6421],{"class":5251},"?: ",[5237,6423,5269],{"class":5262},[5237,6425,5705],{"class":5251},[5237,6427,5708],{"class":5243},[5237,6429,6430],{"class":5262}," void",[5237,6432,5266],{"class":5251},[5237,6434,6435],{"class":5262},"void",[5237,6437,5272],{"class":5251},[5237,6439,6440],{"class":5239,"line":5317},[5237,6441,6442],{"class":5313},"  \u002F\u002F Крок 1: Читання даних користувача\n",[5237,6444,6445,6447,6449,6452,6455,6457,6460,6463,6465,6467,6469,6472,6474,6477,6479,6481],{"class":5239,"line":5323},[5237,6446,5683],{"class":5247},[5237,6448,5252],{"class":5251},[5237,6450,6451],{"class":5371},"`.\u002Fusers\u002F",[5237,6453,6454],{"class":5243},"${",[5237,6456,6388],{"class":5255},[5237,6458,6459],{"class":5243},"}",[5237,6461,6462],{"class":5371},".json`",[5237,6464,5105],{"class":5251},[5237,6466,5693],{"class":5371},[5237,6468,5432],{"class":5251},[5237,6470,6471],{"class":5255},"err1",[5237,6473,5105],{"class":5251},[5237,6475,6476],{"class":5255},"userData",[5237,6478,5705],{"class":5251},[5237,6480,5708],{"class":5243},[5237,6482,5272],{"class":5251},[5237,6484,6485,6487,6489,6491],{"class":5239,"line":5357},[5237,6486,5326],{"class":5278},[5237,6488,5409],{"class":5251},[5237,6490,6471],{"class":5255},[5237,6492,5354],{"class":5251},[5237,6494,6495,6498,6501,6503,6505,6507],{"class":5239,"line":5378},[5237,6496,6497],{"class":5278},"      return",[5237,6499,6500],{"class":5247}," callback",[5237,6502,5252],{"class":5251},[5237,6504,6471],{"class":5255},[5237,6506,5310],{"class":5251},[5237,6508,6509],{"class":5313},"\u002F\u002F Передаємо помилку вище\n",[5237,6511,6512],{"class":5239,"line":5384},[5237,6513,5381],{"class":5251},[5237,6515,6516],{"class":5239,"line":5389},[5237,6517,5320],{"class":5251},[5237,6519,6520,6523,6525,6527,6529],{"class":5239,"line":5400},[5237,6521,6522],{"class":5243},"    let",[5237,6524,6221],{"class":5255},[5237,6526,5259],{"class":5251},[5237,6528,5269],{"class":5262},[5237,6530,5397],{"class":5251},[5237,6532,6533,6536],{"class":5239,"line":5417},[5237,6534,6535],{"class":5278},"    try",[5237,6537,5272],{"class":5251},[5237,6539,6540,6543,6545,6547,6549,6551,6553,6555],{"class":5239,"line":5450},[5237,6541,6542],{"class":5255},"      user",[5237,6544,5294],{"class":5251},[5237,6546,5297],{"class":5290},[5237,6548,5300],{"class":5251},[5237,6550,5303],{"class":5247},[5237,6552,5252],{"class":5251},[5237,6554,6476],{"class":5255},[5237,6556,5375],{"class":5251},[5237,6558,6559,6562,6564,6566,6568],{"class":5239,"line":5465},[5237,6560,6561],{"class":5251},"    } ",[5237,6563,5406],{"class":5278},[5237,6565,5409],{"class":5251},[5237,6567,6270],{"class":5255},[5237,6569,5354],{"class":5251},[5237,6571,6572,6574,6576,6578,6580,6582,6584],{"class":5239,"line":5471},[5237,6573,6497],{"class":5278},[5237,6575,6500],{"class":5247},[5237,6577,5252],{"class":5251},[5237,6579,6270],{"class":5255},[5237,6581,5437],{"class":5278},[5237,6583,5366],{"class":5262},[5237,6585,5375],{"class":5251},[5237,6587,6588],{"class":5239,"line":5477},[5237,6589,5381],{"class":5251},[5237,6591,6592],{"class":5239,"line":5484},[5237,6593,5320],{"class":5251},[5237,6595,6596],{"class":5239,"line":5490},[5237,6597,6598],{"class":5313},"    \u002F\u002F Крок 2: Читання постів користувача\n",[5237,6600,6601,6604,6606,6609,6611,6613,6616,6618,6620,6622,6624,6626,6628,6631,6633,6636,6638,6640],{"class":5239,"line":5498},[5237,6602,6603],{"class":5247},"    readFile",[5237,6605,5252],{"class":5251},[5237,6607,6608],{"class":5371},"`.\u002Fposts\u002F",[5237,6610,6454],{"class":5243},[5237,6612,5337],{"class":5255},[5237,6614,5300],{"class":6615},"sD7JJ",[5237,6617,5351],{"class":5255},[5237,6619,6459],{"class":5243},[5237,6621,6462],{"class":5371},[5237,6623,5105],{"class":5251},[5237,6625,5693],{"class":5371},[5237,6627,5432],{"class":5251},[5237,6629,6630],{"class":5255},"err2",[5237,6632,5105],{"class":5251},[5237,6634,6635],{"class":5255},"postsData",[5237,6637,5705],{"class":5251},[5237,6639,5708],{"class":5243},[5237,6641,5272],{"class":5251},[5237,6643,6644,6647,6649,6651],{"class":5239,"line":5519},[5237,6645,6646],{"class":5278},"      if",[5237,6648,5409],{"class":5251},[5237,6650,6630],{"class":5255},[5237,6652,5354],{"class":5251},[5237,6654,6655,6658,6660,6662,6664],{"class":5239,"line":5542},[5237,6656,6657],{"class":5278},"        return",[5237,6659,6500],{"class":5247},[5237,6661,5252],{"class":5251},[5237,6663,6630],{"class":5255},[5237,6665,5375],{"class":5251},[5237,6667,6668],{"class":5239,"line":5556},[5237,6669,6670],{"class":5251},"      }\n",[5237,6672,6673],{"class":5239,"line":5584},[5237,6674,6675],{"class":5251},"      \n",[5237,6677,6678,6681,6684,6686,6688],{"class":5239,"line":5603},[5237,6679,6680],{"class":5243},"      let",[5237,6682,6683],{"class":5255}," posts",[5237,6685,5259],{"class":5251},[5237,6687,5269],{"class":5262},[5237,6689,5397],{"class":5251},[5237,6691,6692,6695],{"class":5239,"line":5963},[5237,6693,6694],{"class":5278},"      try",[5237,6696,5272],{"class":5251},[5237,6698,6699,6702,6704,6706,6708,6710,6712,6714],{"class":5239,"line":5969},[5237,6700,6701],{"class":5255},"        posts",[5237,6703,5294],{"class":5251},[5237,6705,5297],{"class":5290},[5237,6707,5300],{"class":5251},[5237,6709,5303],{"class":5247},[5237,6711,5252],{"class":5251},[5237,6713,6635],{"class":5255},[5237,6715,5375],{"class":5251},[5237,6717,6718,6721,6723,6725,6727],{"class":5239,"line":5975},[5237,6719,6720],{"class":5251},"      } ",[5237,6722,5406],{"class":5278},[5237,6724,5409],{"class":5251},[5237,6726,6270],{"class":5255},[5237,6728,5354],{"class":5251},[5237,6730,6731,6733,6735,6737,6739,6741,6743],{"class":5239,"line":5980},[5237,6732,6657],{"class":5278},[5237,6734,6500],{"class":5247},[5237,6736,5252],{"class":5251},[5237,6738,6270],{"class":5255},[5237,6740,5437],{"class":5278},[5237,6742,5366],{"class":5262},[5237,6744,5375],{"class":5251},[5237,6746,6747],{"class":5239,"line":5986},[5237,6748,6670],{"class":5251},[5237,6750,6751],{"class":5239,"line":5992},[5237,6752,6675],{"class":5251},[5237,6754,6755],{"class":5239,"line":5997},[5237,6756,6757],{"class":5313},"      \u002F\u002F Крок 3: Формування звіту\n",[5237,6759,6760,6763,6766],{"class":5239,"line":6003},[5237,6761,6762],{"class":5243},"      const",[5237,6764,6765],{"class":5290}," summary",[5237,6767,6768],{"class":5251}," = {\n",[5237,6770,6772,6775,6777,6779,6781],{"class":5239,"line":6771},32,[5237,6773,6774],{"class":5255},"        user:",[5237,6776,6221],{"class":5255},[5237,6778,5300],{"class":5251},[5237,6780,6257],{"class":5255},[5237,6782,6783],{"class":5251},",\n",[5237,6785,6787,6790,6792,6794,6797],{"class":5239,"line":6786},33,[5237,6788,6789],{"class":5255},"        email:",[5237,6791,6221],{"class":5255},[5237,6793,5300],{"class":5251},[5237,6795,6796],{"class":5255},"email",[5237,6798,6783],{"class":5251},[5237,6800,6802,6805,6807,6809,6812],{"class":5239,"line":6801},34,[5237,6803,6804],{"class":5255},"        postCount:",[5237,6806,6683],{"class":5255},[5237,6808,5300],{"class":5251},[5237,6810,6811],{"class":5255},"length",[5237,6813,6783],{"class":5251},[5237,6815,6817,6820,6822,6825,6828,6830,6832,6835,6837,6840,6843,6846,6849],{"class":5239,"line":6816},35,[5237,6818,6819],{"class":5255},"        lastPost:",[5237,6821,6683],{"class":5255},[5237,6823,6824],{"class":5251},"[",[5237,6826,6827],{"class":5255},"posts",[5237,6829,5300],{"class":5251},[5237,6831,6811],{"class":5255},[5237,6833,6834],{"class":5251}," - ",[5237,6836,5598],{"class":5597},[5237,6838,6839],{"class":5251},"]?.",[5237,6841,6842],{"class":5255},"title",[5237,6844,6845],{"class":5251}," || ",[5237,6847,6848],{"class":5371},"'Немає постів'",[5237,6850,6783],{"class":5251},[5237,6852,6854],{"class":5239,"line":6853},36,[5237,6855,6856],{"class":5251},"      };\n",[5237,6858,6860],{"class":5239,"line":6859},37,[5237,6861,6675],{"class":5251},[5237,6863,6865],{"class":5239,"line":6864},38,[5237,6866,6867],{"class":5313},"      \u002F\u002F Крок 4: Збереження звіту\n",[5237,6869,6871,6874,6876,6879,6881,6883,6885,6888,6890,6892,6894,6896,6898,6901,6904,6907,6909,6911],{"class":5239,"line":6870},39,[5237,6872,6873],{"class":5247},"      writeFile",[5237,6875,5252],{"class":5251},[5237,6877,6878],{"class":5371},"'.\u002Fsummary.json'",[5237,6880,5105],{"class":5251},[5237,6882,5297],{"class":5290},[5237,6884,5300],{"class":5251},[5237,6886,6887],{"class":5247},"stringify",[5237,6889,5252],{"class":5251},[5237,6891,6418],{"class":5255},[5237,6893,5105],{"class":5251},[5237,6895,6049],{"class":5243},[5237,6897,5105],{"class":5251},[5237,6899,6900],{"class":5597},"2",[5237,6902,6903],{"class":5251},"), (",[5237,6905,6906],{"class":5255},"err3",[5237,6908,5705],{"class":5251},[5237,6910,5708],{"class":5243},[5237,6912,5272],{"class":5251},[5237,6914,6916,6919,6921,6923],{"class":5239,"line":6915},40,[5237,6917,6918],{"class":5278},"        if",[5237,6920,5409],{"class":5251},[5237,6922,6906],{"class":5255},[5237,6924,5354],{"class":5251},[5237,6926,6928,6931,6933,6935,6937],{"class":5239,"line":6927},41,[5237,6929,6930],{"class":5278},"          return",[5237,6932,6500],{"class":5247},[5237,6934,5252],{"class":5251},[5237,6936,6906],{"class":5255},[5237,6938,5375],{"class":5251},[5237,6940,6942],{"class":5239,"line":6941},42,[5237,6943,6944],{"class":5251},"        }\n",[5237,6946,6948],{"class":5239,"line":6947},43,[5237,6949,6950],{"class":5251},"        \n",[5237,6952,6954,6957,6959,6961,6963,6965,6967],{"class":5239,"line":6953},44,[5237,6955,6956],{"class":5247},"        callback",[5237,6958,5252],{"class":5251},[5237,6960,6049],{"class":5243},[5237,6962,5105],{"class":5251},[5237,6964,6418],{"class":5255},[5237,6966,5310],{"class":5251},[5237,6968,6969],{"class":5313},"\u002F\u002F Успіх — помилка null, результат у другому аргументі\n",[5237,6971,6973],{"class":5239,"line":6972},45,[5237,6974,6975],{"class":5251},"      });\n",[5237,6977,6979],{"class":5239,"line":6978},46,[5237,6980,6981],{"class":5251},"    });\n",[5237,6983,6985],{"class":5239,"line":6984},47,[5237,6986,5760],{"class":5251},[5237,6988,6990],{"class":5239,"line":6989},48,[5237,6991,5474],{"class":5251},[5237,6993,6995],{"class":5239,"line":6994},49,[5237,6996,5481],{"emptyLinePlaceholder":5480},[5237,6998,7000],{"class":5239,"line":6999},50,[5237,7001,5487],{"class":5313},[5237,7003,7005,7008,7010,7013,7015,7017,7019,7021,7023,7025],{"class":5239,"line":7004},51,[5237,7006,7007],{"class":5247},"processUserData",[5237,7009,5252],{"class":5251},[5237,7011,7012],{"class":5597},"42",[5237,7014,5432],{"class":5251},[5237,7016,5698],{"class":5255},[5237,7018,5105],{"class":5251},[5237,7020,6418],{"class":5255},[5237,7022,5705],{"class":5251},[5237,7024,5708],{"class":5243},[5237,7026,5272],{"class":5251},[5237,7028,7030,7032,7034,7036],{"class":5239,"line":7029},52,[5237,7031,6129],{"class":5278},[5237,7033,5409],{"class":5251},[5237,7035,5698],{"class":5255},[5237,7037,5354],{"class":5251},[5237,7039,7041,7043,7045,7047,7049,7052,7054,7056,7058,7060],{"class":5239,"line":7040},53,[5237,7042,5420],{"class":5255},[5237,7044,5300],{"class":5251},[5237,7046,5412],{"class":5247},[5237,7048,5252],{"class":5251},[5237,7050,7051],{"class":5371},"'Помилка обробки даних користувача:'",[5237,7053,5105],{"class":5251},[5237,7055,5698],{"class":5255},[5237,7057,5300],{"class":5251},[5237,7059,5445],{"class":5255},[5237,7061,5375],{"class":5251},[5237,7063,7065,7068,7070,7072,7074,7076],{"class":5239,"line":7064},54,[5237,7066,7067],{"class":5255},"    process",[5237,7069,5300],{"class":5251},[5237,7071,5592],{"class":5247},[5237,7073,5252],{"class":5251},[5237,7075,5598],{"class":5597},[5237,7077,5375],{"class":5251},[5237,7079,7081,7083],{"class":5239,"line":7080},55,[5237,7082,5392],{"class":5278},[5237,7084,5397],{"class":5251},[5237,7086,7088],{"class":5239,"line":7087},56,[5237,7089,5468],{"class":5251},[5237,7091,7093],{"class":5239,"line":7092},57,[5237,7094,6181],{"class":5251},[5237,7096,7098,7100,7102,7104,7106,7109,7111,7113],{"class":5239,"line":7097},58,[5237,7099,5522],{"class":5255},[5237,7101,5300],{"class":5251},[5237,7103,5527],{"class":5247},[5237,7105,5252],{"class":5251},[5237,7107,7108],{"class":5371},"'Звіт створено:'",[5237,7110,5105],{"class":5251},[5237,7112,6418],{"class":5255},[5237,7114,5375],{"class":5251},[5237,7116,7118],{"class":5239,"line":7117},59,[5237,7119,6307],{"class":5251},[5203,7121,7122,7123,7126],{},"Цей приклад демонструє класичний callback hell, але з коректною обробкою помилок на кожному рівні. Кожна помилка передається до головного callback через ",[5102,7124,7125],{},"return callback(err)",", що запобігає продовженню виконання.",[7128,7129,7130,7131,7134,7135,7137],"note",{},"Конвенція Error-First Callback є причиною, чому у Node.js прийнято використовувати ",[5102,7132,7133],{},"return"," перед викликом callback у блоці помилки: ",[5102,7136,7125],{},". Це запобігає випадковому продовженню виконання коду після обробки помилки, що могло б призвести до подвійного виклику callback або інших race condition.",[5198,7139,7141,7142,7144,7145,6029,7147],{"id":7140},"promise-rejection-catch-vs-trycatch-з-asyncawait","Promise rejection: ",[5102,7143,5108],{}," vs ",[5102,7146,5104],{},[5102,7148,6032],{},[5203,7150,7151,7152,7154,7155,5138],{},"З появою промісів (ES2015) та ",[5102,7153,6032],{}," (ES2017) обробка асинхронних помилок стала значно елегантнішою. Проміси надають два механізми обробки відхилення (",[5114,7156,7157],{},"rejection",[6312,7159,7160,7168],{},[5095,7161,7162,7167],{},[5132,7163,7164,7165],{},"Метод ",[5102,7166,5108],{}," — для ланцюжків промісів.",[5095,7169,7170,7175,7176,7178],{},[5132,7171,7172,7173],{},"Блок ",[5102,7174,5104],{}," — для ",[5102,7177,6032],{}," синтаксису.",[5211,7180,7182],{"id":7181},"обробка-помилок-у-ланцюжках-промісів","Обробка помилок у ланцюжках промісів",[5228,7184,7186],{"className":5230,"code":7185,"language":5232,"meta":5233,"style":5233},"import { readFile, writeFile } from 'node:fs\u002Fpromises';\n\nfunction processUserData(userId: number): Promise\u003Cany> {\n  return readFile(`.\u002Fusers\u002F${userId}.json`, 'utf-8')\n    .then((userData) => {\n      const user = JSON.parse(userData); \u002F\u002F Може викинути SyntaxError\n      return readFile(`.\u002Fposts\u002F${user.id}.json`, 'utf-8')\n        .then((postsData) => ({ user, postsData }));\n    })\n    .then(({ user, postsData }) => {\n      const posts = JSON.parse(postsData);\n      const summary = {\n        user: user.name,\n        email: user.email,\n        postCount: posts.length,\n      };\n      return writeFile('.\u002Fsummary.json', JSON.stringify(summary, null, 2))\n        .then(() => summary);\n    })\n    .catch((error) => {\n      \u002F\u002F Обробляємо ВСІ помилки у ланцюжку:\n      \u002F\u002F - readFile (ENOENT, EACCES)\n      \u002F\u002F - JSON.parse (SyntaxError)\n      \u002F\u002F - writeFile (ENOSPC, EROFS)\n      console.error('Помилка обробки даних:', error.message);\n      throw error; \u002F\u002F Передаємо помилку далі\n    });\n}\n\n\u002F\u002F Використання\nprocessUserData(42)\n  .then((summary) => console.log('Звіт:', summary))\n  .catch((error) => {\n    console.error('Критична помилка:', error.message);\n    process.exit(1);\n  });\n",[5102,7187,7188,7209,7213,7240,7267,7286,7308,7336,7363,7368,7390,7410,7418,7430,7442,7454,7458,7492,7507,7511,7527,7532,7537,7542,7547,7571,7582,7586,7590,7594,7598,7608,7641,7657,7679,7693],{"__ignoreMap":5233},[5237,7189,7190,7192,7194,7196,7198,7200,7202,7204,7207],{"class":5239,"line":5240},[5237,7191,5646],{"class":5278},[5237,7193,5649],{"class":5251},[5237,7195,5652],{"class":5255},[5237,7197,5105],{"class":5251},[5237,7199,6071],{"class":5255},[5237,7201,5655],{"class":5251},[5237,7203,5658],{"class":5278},[5237,7205,7206],{"class":5371}," 'node:fs\u002Fpromises'",[5237,7208,5397],{"class":5251},[5237,7210,7211],{"class":5239,"line":5275},[5237,7212,5481],{"emptyLinePlaceholder":5480},[5237,7214,7215,7217,7219,7221,7223,7225,7227,7229,7232,7235,7237],{"class":5239,"line":5284},[5237,7216,5244],{"class":5243},[5237,7218,6383],{"class":5247},[5237,7220,5252],{"class":5251},[5237,7222,6388],{"class":5255},[5237,7224,5259],{"class":5251},[5237,7226,6393],{"class":5262},[5237,7228,5266],{"class":5251},[5237,7230,7231],{"class":5262},"Promise",[5237,7233,7234],{"class":5251},"\u003C",[5237,7236,5269],{"class":5262},[5237,7238,7239],{"class":5251},"> {\n",[5237,7241,7242,7245,7248,7250,7252,7254,7256,7258,7260,7262,7264],{"class":5239,"line":5317},[5237,7243,7244],{"class":5278},"  return",[5237,7246,7247],{"class":5247}," readFile",[5237,7249,5252],{"class":5251},[5237,7251,6451],{"class":5371},[5237,7253,6454],{"class":5243},[5237,7255,6388],{"class":5255},[5237,7257,6459],{"class":5243},[5237,7259,6462],{"class":5371},[5237,7261,5105],{"class":5251},[5237,7263,5693],{"class":5371},[5237,7265,7266],{"class":5251},")\n",[5237,7268,7269,7272,7275,7278,7280,7282,7284],{"class":5239,"line":5323},[5237,7270,7271],{"class":5251},"    .",[5237,7273,7274],{"class":5247},"then",[5237,7276,7277],{"class":5251},"((",[5237,7279,6476],{"class":5255},[5237,7281,5705],{"class":5251},[5237,7283,5708],{"class":5243},[5237,7285,5272],{"class":5251},[5237,7287,7288,7290,7292,7294,7296,7298,7300,7302,7304,7306],{"class":5239,"line":5357},[5237,7289,6762],{"class":5243},[5237,7291,6221],{"class":5290},[5237,7293,5294],{"class":5251},[5237,7295,5297],{"class":5290},[5237,7297,5300],{"class":5251},[5237,7299,5303],{"class":5247},[5237,7301,5252],{"class":5251},[5237,7303,6476],{"class":5255},[5237,7305,5310],{"class":5251},[5237,7307,5314],{"class":5313},[5237,7309,7310,7312,7314,7316,7318,7320,7322,7324,7326,7328,7330,7332,7334],{"class":5239,"line":5378},[5237,7311,6497],{"class":5278},[5237,7313,7247],{"class":5247},[5237,7315,5252],{"class":5251},[5237,7317,6608],{"class":5371},[5237,7319,6454],{"class":5243},[5237,7321,5337],{"class":5255},[5237,7323,5300],{"class":6615},[5237,7325,5351],{"class":5255},[5237,7327,6459],{"class":5243},[5237,7329,6462],{"class":5371},[5237,7331,5105],{"class":5251},[5237,7333,5693],{"class":5371},[5237,7335,7266],{"class":5251},[5237,7337,7338,7341,7343,7345,7347,7349,7351,7354,7356,7358,7360],{"class":5239,"line":5384},[5237,7339,7340],{"class":5251},"        .",[5237,7342,7274],{"class":5247},[5237,7344,7277],{"class":5251},[5237,7346,6635],{"class":5255},[5237,7348,5705],{"class":5251},[5237,7350,5708],{"class":5243},[5237,7352,7353],{"class":5251}," ({ ",[5237,7355,5337],{"class":5255},[5237,7357,5105],{"class":5251},[5237,7359,6635],{"class":5255},[5237,7361,7362],{"class":5251}," }));\n",[5237,7364,7365],{"class":5239,"line":5389},[5237,7366,7367],{"class":5251},"    })\n",[5237,7369,7370,7372,7374,7377,7379,7381,7383,7386,7388],{"class":5239,"line":5400},[5237,7371,7271],{"class":5251},[5237,7373,7274],{"class":5247},[5237,7375,7376],{"class":5251},"(({ ",[5237,7378,5337],{"class":5255},[5237,7380,5105],{"class":5251},[5237,7382,6635],{"class":5255},[5237,7384,7385],{"class":5251}," }) ",[5237,7387,5708],{"class":5243},[5237,7389,5272],{"class":5251},[5237,7391,7392,7394,7396,7398,7400,7402,7404,7406,7408],{"class":5239,"line":5417},[5237,7393,6762],{"class":5243},[5237,7395,6683],{"class":5290},[5237,7397,5294],{"class":5251},[5237,7399,5297],{"class":5290},[5237,7401,5300],{"class":5251},[5237,7403,5303],{"class":5247},[5237,7405,5252],{"class":5251},[5237,7407,6635],{"class":5255},[5237,7409,5375],{"class":5251},[5237,7411,7412,7414,7416],{"class":5239,"line":5450},[5237,7413,6762],{"class":5243},[5237,7415,6765],{"class":5290},[5237,7417,6768],{"class":5251},[5237,7419,7420,7422,7424,7426,7428],{"class":5239,"line":5465},[5237,7421,6774],{"class":5255},[5237,7423,6221],{"class":5255},[5237,7425,5300],{"class":5251},[5237,7427,6257],{"class":5255},[5237,7429,6783],{"class":5251},[5237,7431,7432,7434,7436,7438,7440],{"class":5239,"line":5471},[5237,7433,6789],{"class":5255},[5237,7435,6221],{"class":5255},[5237,7437,5300],{"class":5251},[5237,7439,6796],{"class":5255},[5237,7441,6783],{"class":5251},[5237,7443,7444,7446,7448,7450,7452],{"class":5239,"line":5477},[5237,7445,6804],{"class":5255},[5237,7447,6683],{"class":5255},[5237,7449,5300],{"class":5251},[5237,7451,6811],{"class":5255},[5237,7453,6783],{"class":5251},[5237,7455,7456],{"class":5239,"line":5484},[5237,7457,6856],{"class":5251},[5237,7459,7460,7462,7465,7467,7469,7471,7473,7475,7477,7479,7481,7483,7485,7487,7489],{"class":5239,"line":5490},[5237,7461,6497],{"class":5278},[5237,7463,7464],{"class":5247}," writeFile",[5237,7466,5252],{"class":5251},[5237,7468,6878],{"class":5371},[5237,7470,5105],{"class":5251},[5237,7472,5297],{"class":5290},[5237,7474,5300],{"class":5251},[5237,7476,6887],{"class":5247},[5237,7478,5252],{"class":5251},[5237,7480,6418],{"class":5255},[5237,7482,5105],{"class":5251},[5237,7484,6049],{"class":5243},[5237,7486,5105],{"class":5251},[5237,7488,6900],{"class":5597},[5237,7490,7491],{"class":5251},"))\n",[5237,7493,7494,7496,7498,7501,7503,7505],{"class":5239,"line":5498},[5237,7495,7340],{"class":5251},[5237,7497,7274],{"class":5247},[5237,7499,7500],{"class":5251},"(() ",[5237,7502,5708],{"class":5243},[5237,7504,6765],{"class":5255},[5237,7506,5375],{"class":5251},[5237,7508,7509],{"class":5239,"line":5519},[5237,7510,7367],{"class":5251},[5237,7512,7513,7515,7517,7519,7521,7523,7525],{"class":5239,"line":5542},[5237,7514,7271],{"class":5251},[5237,7516,5406],{"class":5247},[5237,7518,7277],{"class":5251},[5237,7520,5412],{"class":5255},[5237,7522,5705],{"class":5251},[5237,7524,5708],{"class":5243},[5237,7526,5272],{"class":5251},[5237,7528,7529],{"class":5239,"line":5556},[5237,7530,7531],{"class":5313},"      \u002F\u002F Обробляємо ВСІ помилки у ланцюжку:\n",[5237,7533,7534],{"class":5239,"line":5584},[5237,7535,7536],{"class":5313},"      \u002F\u002F - readFile (ENOENT, EACCES)\n",[5237,7538,7539],{"class":5239,"line":5603},[5237,7540,7541],{"class":5313},"      \u002F\u002F - JSON.parse (SyntaxError)\n",[5237,7543,7544],{"class":5239,"line":5963},[5237,7545,7546],{"class":5313},"      \u002F\u002F - writeFile (ENOSPC, EROFS)\n",[5237,7548,7549,7552,7554,7556,7558,7561,7563,7565,7567,7569],{"class":5239,"line":5969},[5237,7550,7551],{"class":5255},"      console",[5237,7553,5300],{"class":5251},[5237,7555,5412],{"class":5247},[5237,7557,5252],{"class":5251},[5237,7559,7560],{"class":5371},"'Помилка обробки даних:'",[5237,7562,5105],{"class":5251},[5237,7564,5412],{"class":5255},[5237,7566,5300],{"class":5251},[5237,7568,5445],{"class":5255},[5237,7570,5375],{"class":5251},[5237,7572,7573,7575,7577,7579],{"class":5239,"line":5975},[5237,7574,5360],{"class":5278},[5237,7576,5456],{"class":5255},[5237,7578,5459],{"class":5251},[5237,7580,7581],{"class":5313},"\u002F\u002F Передаємо помилку далі\n",[5237,7583,7584],{"class":5239,"line":5980},[5237,7585,6981],{"class":5251},[5237,7587,7588],{"class":5239,"line":5986},[5237,7589,5474],{"class":5251},[5237,7591,7592],{"class":5239,"line":5992},[5237,7593,5481],{"emptyLinePlaceholder":5480},[5237,7595,7596],{"class":5239,"line":5997},[5237,7597,5487],{"class":5313},[5237,7599,7600,7602,7604,7606],{"class":5239,"line":6003},[5237,7601,7007],{"class":5247},[5237,7603,5252],{"class":5251},[5237,7605,7012],{"class":5597},[5237,7607,7266],{"class":5251},[5237,7609,7610,7613,7615,7617,7619,7621,7623,7626,7628,7630,7632,7635,7637,7639],{"class":5239,"line":6771},[5237,7611,7612],{"class":5251},"  .",[5237,7614,7274],{"class":5247},[5237,7616,7277],{"class":5251},[5237,7618,6418],{"class":5255},[5237,7620,5705],{"class":5251},[5237,7622,5708],{"class":5243},[5237,7624,7625],{"class":5255}," console",[5237,7627,5300],{"class":5251},[5237,7629,5527],{"class":5247},[5237,7631,5252],{"class":5251},[5237,7633,7634],{"class":5371},"'Звіт:'",[5237,7636,5105],{"class":5251},[5237,7638,6418],{"class":5255},[5237,7640,7491],{"class":5251},[5237,7642,7643,7645,7647,7649,7651,7653,7655],{"class":5239,"line":6786},[5237,7644,7612],{"class":5251},[5237,7646,5406],{"class":5247},[5237,7648,7277],{"class":5251},[5237,7650,5412],{"class":5255},[5237,7652,5705],{"class":5251},[5237,7654,5708],{"class":5243},[5237,7656,5272],{"class":5251},[5237,7658,7659,7661,7663,7665,7667,7669,7671,7673,7675,7677],{"class":5239,"line":6801},[5237,7660,5420],{"class":5255},[5237,7662,5300],{"class":5251},[5237,7664,5412],{"class":5247},[5237,7666,5252],{"class":5251},[5237,7668,5567],{"class":5371},[5237,7670,5105],{"class":5251},[5237,7672,5412],{"class":5255},[5237,7674,5300],{"class":5251},[5237,7676,5445],{"class":5255},[5237,7678,5375],{"class":5251},[5237,7680,7681,7683,7685,7687,7689,7691],{"class":5239,"line":6816},[5237,7682,7067],{"class":5255},[5237,7684,5300],{"class":5251},[5237,7686,5592],{"class":5247},[5237,7688,5252],{"class":5251},[5237,7690,5598],{"class":5597},[5237,7692,5375],{"class":5251},[5237,7694,7695],{"class":5239,"line":6853},[5237,7696,5760],{"class":5251},[5203,7698,7699,7700,7702,7703,7706],{},"Ключова особливість ",[5102,7701,5108],{},": він перехоплює ",[5132,7704,7705],{},"будь-яку"," помилку у ланцюжку промісів, що виникла до нього. Це робить обробку помилок централізованою та зручною.",[5211,7708,7710,7711,7713,7714],{"id":7709},"обробка-помилок-у-asyncawait-через-trycatch","Обробка помилок у ",[5102,7712,6032],{}," через ",[5102,7715,5104],{},[5228,7717,7719],{"className":5230,"code":7718,"language":5232,"meta":5233,"style":5233},"import { readFile, writeFile } from 'node:fs\u002Fpromises';\n\nasync function processUserData(userId: number): Promise\u003Cany> {\n  try {\n    \u002F\u002F Послідовні асинхронні операції\n    const userData = await readFile(`.\u002Fusers\u002F${userId}.json`, 'utf-8');\n    const user = JSON.parse(userData);\n    \n    const postsData = await readFile(`.\u002Fposts\u002F${user.id}.json`, 'utf-8');\n    const posts = JSON.parse(postsData);\n    \n    const summary = {\n      user: user.name,\n      email: user.email,\n      postCount: posts.length,\n    };\n    \n    await writeFile('.\u002Fsummary.json', JSON.stringify(summary, null, 2));\n    \n    return summary;\n  } catch (error) {\n    console.error('Помилка обробки даних:', (error as Error).message);\n    throw error;\n  }\n}\n\n\u002F\u002F Використання\nasync function main(): Promise\u003Cvoid> {\n  try {\n    const summary = await processUserData(42);\n    console.log('Звіт:', summary);\n  } catch (error) {\n    console.error('Критична помилка:', (error as Error).message);\n    process.exit(1);\n  }\n}\n\nmain();\n",[5102,7720,7721,7741,7745,7772,7778,7783,7814,7834,7838,7873,7893,7897,7905,7918,7931,7944,7949,7953,7987,7991,7999,8011,8037,8045,8049,8053,8057,8061,8081,8087,8105,8123,8135,8161,8175,8179,8183,8187],{"__ignoreMap":5233},[5237,7722,7723,7725,7727,7729,7731,7733,7735,7737,7739],{"class":5239,"line":5240},[5237,7724,5646],{"class":5278},[5237,7726,5649],{"class":5251},[5237,7728,5652],{"class":5255},[5237,7730,5105],{"class":5251},[5237,7732,6071],{"class":5255},[5237,7734,5655],{"class":5251},[5237,7736,5658],{"class":5278},[5237,7738,7206],{"class":5371},[5237,7740,5397],{"class":5251},[5237,7742,7743],{"class":5239,"line":5275},[5237,7744,5481],{"emptyLinePlaceholder":5480},[5237,7746,7747,7749,7752,7754,7756,7758,7760,7762,7764,7766,7768,7770],{"class":5239,"line":5284},[5237,7748,5160],{"class":5243},[5237,7750,7751],{"class":5243}," function",[5237,7753,6383],{"class":5247},[5237,7755,5252],{"class":5251},[5237,7757,6388],{"class":5255},[5237,7759,5259],{"class":5251},[5237,7761,6393],{"class":5262},[5237,7763,5266],{"class":5251},[5237,7765,7231],{"class":5262},[5237,7767,7234],{"class":5251},[5237,7769,5269],{"class":5262},[5237,7771,7239],{"class":5251},[5237,7773,7774,7776],{"class":5239,"line":5317},[5237,7775,5279],{"class":5278},[5237,7777,5272],{"class":5251},[5237,7779,7780],{"class":5239,"line":5323},[5237,7781,7782],{"class":5313},"    \u002F\u002F Послідовні асинхронні операції\n",[5237,7784,7785,7787,7790,7792,7794,7796,7798,7800,7802,7804,7806,7808,7810,7812],{"class":5239,"line":5357},[5237,7786,5287],{"class":5243},[5237,7788,7789],{"class":5290}," userData",[5237,7791,5294],{"class":5251},[5237,7793,6016],{"class":5278},[5237,7795,7247],{"class":5247},[5237,7797,5252],{"class":5251},[5237,7799,6451],{"class":5371},[5237,7801,6454],{"class":5243},[5237,7803,6388],{"class":5255},[5237,7805,6459],{"class":5243},[5237,7807,6462],{"class":5371},[5237,7809,5105],{"class":5251},[5237,7811,5693],{"class":5371},[5237,7813,5375],{"class":5251},[5237,7815,7816,7818,7820,7822,7824,7826,7828,7830,7832],{"class":5239,"line":5378},[5237,7817,5287],{"class":5243},[5237,7819,6221],{"class":5290},[5237,7821,5294],{"class":5251},[5237,7823,5297],{"class":5290},[5237,7825,5300],{"class":5251},[5237,7827,5303],{"class":5247},[5237,7829,5252],{"class":5251},[5237,7831,6476],{"class":5255},[5237,7833,5375],{"class":5251},[5237,7835,7836],{"class":5239,"line":5384},[5237,7837,5320],{"class":5251},[5237,7839,7840,7842,7845,7847,7849,7851,7853,7855,7857,7859,7861,7863,7865,7867,7869,7871],{"class":5239,"line":5389},[5237,7841,5287],{"class":5243},[5237,7843,7844],{"class":5290}," postsData",[5237,7846,5294],{"class":5251},[5237,7848,6016],{"class":5278},[5237,7850,7247],{"class":5247},[5237,7852,5252],{"class":5251},[5237,7854,6608],{"class":5371},[5237,7856,6454],{"class":5243},[5237,7858,5337],{"class":5255},[5237,7860,5300],{"class":6615},[5237,7862,5351],{"class":5255},[5237,7864,6459],{"class":5243},[5237,7866,6462],{"class":5371},[5237,7868,5105],{"class":5251},[5237,7870,5693],{"class":5371},[5237,7872,5375],{"class":5251},[5237,7874,7875,7877,7879,7881,7883,7885,7887,7889,7891],{"class":5239,"line":5400},[5237,7876,5287],{"class":5243},[5237,7878,6683],{"class":5290},[5237,7880,5294],{"class":5251},[5237,7882,5297],{"class":5290},[5237,7884,5300],{"class":5251},[5237,7886,5303],{"class":5247},[5237,7888,5252],{"class":5251},[5237,7890,6635],{"class":5255},[5237,7892,5375],{"class":5251},[5237,7894,7895],{"class":5239,"line":5417},[5237,7896,5320],{"class":5251},[5237,7898,7899,7901,7903],{"class":5239,"line":5450},[5237,7900,5287],{"class":5243},[5237,7902,6765],{"class":5290},[5237,7904,6768],{"class":5251},[5237,7906,7907,7910,7912,7914,7916],{"class":5239,"line":5465},[5237,7908,7909],{"class":5255},"      user:",[5237,7911,6221],{"class":5255},[5237,7913,5300],{"class":5251},[5237,7915,6257],{"class":5255},[5237,7917,6783],{"class":5251},[5237,7919,7920,7923,7925,7927,7929],{"class":5239,"line":5471},[5237,7921,7922],{"class":5255},"      email:",[5237,7924,6221],{"class":5255},[5237,7926,5300],{"class":5251},[5237,7928,6796],{"class":5255},[5237,7930,6783],{"class":5251},[5237,7932,7933,7936,7938,7940,7942],{"class":5239,"line":5477},[5237,7934,7935],{"class":5255},"      postCount:",[5237,7937,6683],{"class":5255},[5237,7939,5300],{"class":5251},[5237,7941,6811],{"class":5255},[5237,7943,6783],{"class":5251},[5237,7945,7946],{"class":5239,"line":5484},[5237,7947,7948],{"class":5251},"    };\n",[5237,7950,7951],{"class":5239,"line":5490},[5237,7952,5320],{"class":5251},[5237,7954,7955,7958,7960,7962,7964,7966,7968,7970,7972,7974,7976,7978,7980,7982,7984],{"class":5239,"line":5498},[5237,7956,7957],{"class":5278},"    await",[5237,7959,7464],{"class":5247},[5237,7961,5252],{"class":5251},[5237,7963,6878],{"class":5371},[5237,7965,5105],{"class":5251},[5237,7967,5297],{"class":5290},[5237,7969,5300],{"class":5251},[5237,7971,6887],{"class":5247},[5237,7973,5252],{"class":5251},[5237,7975,6418],{"class":5255},[5237,7977,5105],{"class":5251},[5237,7979,6049],{"class":5243},[5237,7981,5105],{"class":5251},[5237,7983,6900],{"class":5597},[5237,7985,7986],{"class":5251},"));\n",[5237,7988,7989],{"class":5239,"line":5519},[5237,7990,5320],{"class":5251},[5237,7992,7993,7995,7997],{"class":5239,"line":5542},[5237,7994,5392],{"class":5278},[5237,7996,6765],{"class":5255},[5237,7998,5397],{"class":5251},[5237,8000,8001,8003,8005,8007,8009],{"class":5239,"line":5556},[5237,8002,5403],{"class":5251},[5237,8004,5406],{"class":5278},[5237,8006,5409],{"class":5251},[5237,8008,5412],{"class":5255},[5237,8010,5354],{"class":5251},[5237,8012,8013,8015,8017,8019,8021,8023,8025,8027,8029,8031,8033,8035],{"class":5239,"line":5584},[5237,8014,5420],{"class":5255},[5237,8016,5300],{"class":5251},[5237,8018,5412],{"class":5247},[5237,8020,5252],{"class":5251},[5237,8022,7560],{"class":5371},[5237,8024,5432],{"class":5251},[5237,8026,5412],{"class":5255},[5237,8028,5437],{"class":5278},[5237,8030,5366],{"class":5262},[5237,8032,5442],{"class":5251},[5237,8034,5445],{"class":5255},[5237,8036,5375],{"class":5251},[5237,8038,8039,8041,8043],{"class":5239,"line":5603},[5237,8040,5453],{"class":5278},[5237,8042,5456],{"class":5255},[5237,8044,5397],{"class":5251},[5237,8046,8047],{"class":5239,"line":5963},[5237,8048,5468],{"class":5251},[5237,8050,8051],{"class":5239,"line":5969},[5237,8052,5474],{"class":5251},[5237,8054,8055],{"class":5239,"line":5975},[5237,8056,5481],{"emptyLinePlaceholder":5480},[5237,8058,8059],{"class":5239,"line":5980},[5237,8060,5487],{"class":5313},[5237,8062,8063,8065,8067,8070,8073,8075,8077,8079],{"class":5239,"line":5986},[5237,8064,5160],{"class":5243},[5237,8066,7751],{"class":5243},[5237,8068,8069],{"class":5247}," main",[5237,8071,8072],{"class":5251},"(): ",[5237,8074,7231],{"class":5262},[5237,8076,7234],{"class":5251},[5237,8078,6435],{"class":5262},[5237,8080,7239],{"class":5251},[5237,8082,8083,8085],{"class":5239,"line":5992},[5237,8084,5279],{"class":5278},[5237,8086,5272],{"class":5251},[5237,8088,8089,8091,8093,8095,8097,8099,8101,8103],{"class":5239,"line":5997},[5237,8090,5287],{"class":5243},[5237,8092,6765],{"class":5290},[5237,8094,5294],{"class":5251},[5237,8096,6016],{"class":5278},[5237,8098,6383],{"class":5247},[5237,8100,5252],{"class":5251},[5237,8102,7012],{"class":5597},[5237,8104,5375],{"class":5251},[5237,8106,8107,8109,8111,8113,8115,8117,8119,8121],{"class":5239,"line":6003},[5237,8108,5420],{"class":5255},[5237,8110,5300],{"class":5251},[5237,8112,5527],{"class":5247},[5237,8114,5252],{"class":5251},[5237,8116,7634],{"class":5371},[5237,8118,5105],{"class":5251},[5237,8120,6418],{"class":5255},[5237,8122,5375],{"class":5251},[5237,8124,8125,8127,8129,8131,8133],{"class":5239,"line":6771},[5237,8126,5403],{"class":5251},[5237,8128,5406],{"class":5278},[5237,8130,5409],{"class":5251},[5237,8132,5412],{"class":5255},[5237,8134,5354],{"class":5251},[5237,8136,8137,8139,8141,8143,8145,8147,8149,8151,8153,8155,8157,8159],{"class":5239,"line":6786},[5237,8138,5420],{"class":5255},[5237,8140,5300],{"class":5251},[5237,8142,5412],{"class":5247},[5237,8144,5252],{"class":5251},[5237,8146,5567],{"class":5371},[5237,8148,5432],{"class":5251},[5237,8150,5412],{"class":5255},[5237,8152,5437],{"class":5278},[5237,8154,5366],{"class":5262},[5237,8156,5442],{"class":5251},[5237,8158,5445],{"class":5255},[5237,8160,5375],{"class":5251},[5237,8162,8163,8165,8167,8169,8171,8173],{"class":5239,"line":6801},[5237,8164,7067],{"class":5255},[5237,8166,5300],{"class":5251},[5237,8168,5592],{"class":5247},[5237,8170,5252],{"class":5251},[5237,8172,5598],{"class":5597},[5237,8174,5375],{"class":5251},[5237,8176,8177],{"class":5239,"line":6816},[5237,8178,5468],{"class":5251},[5237,8180,8181],{"class":5239,"line":6853},[5237,8182,5474],{"class":5251},[5237,8184,8185],{"class":5239,"line":6859},[5237,8186,5481],{"emptyLinePlaceholder":5480},[5237,8188,8189,8192],{"class":5239,"line":6864},[5237,8190,8191],{"class":5247},"main",[5237,8193,8194],{"class":5251},"();\n",[5203,8196,8197,8198,6029,8200,8202],{},"Порівняно з callback та ланцюжками промісів, ",[5102,8199,6032],{},[5102,8201,5104],{}," є найбільш читабельним варіантом — код виглядає як синхронний, але обробляє асинхронні помилки.",[8204,8205,8206,8207,6029,8209,8211,8212,8215,8216,8219],"tip",{},"Завжди віддавайте перевагу ",[5102,8208,6032],{},[5102,8210,5104],{}," перед ланцюжками ",[5102,8213,8214],{},".then().catch()"," для нового коду. Це покращує читабельність, спрощує налагодження та робить код більш послідовним. Виняток: коли потрібно явно комбінувати паралельні операції через ",[5102,8217,8218],{},"Promise.all()"," або інші комбінатори.",[5211,8221,8223],{"id":8222},"вибіркова-обробка-помилок-за-типом","Вибіркова обробка помилок за типом",[5203,8225,8226],{},"У реальних застосунках часто потрібно по-різному реагувати на різні типи помилок:",[5228,8228,8230],{"className":5230,"code":8229,"language":5232,"meta":5233,"style":5233},"import { readFile } from 'node:fs\u002Fpromises';\n\nclass ConfigurationError extends Error {\n  constructor(message: string) {\n    super(message);\n    this.name = 'ConfigurationError';\n  }\n}\n\nasync function loadConfig(path: string): Promise\u003Cany> {\n  try {\n    const content = await readFile(path, 'utf-8');\n    const config = JSON.parse(content);\n    \n    \u002F\u002F Валідація конфігурації\n    if (!config.database || !config.database.host) {\n      throw new ConfigurationError('Відсутнє поле database.host у конфігурації');\n    }\n    \n    if (!config.port || config.port \u003C 1 || config.port > 65535) {\n      throw new ConfigurationError('Невалідний порт сервера');\n    }\n    \n    return config;\n  } catch (error) {\n    \u002F\u002F Вибіркова обробка за типом помилки\n    if (error instanceof ConfigurationError) {\n      console.error('❌ Помилка конфігурації:', error.message);\n      console.log('💡 Використовуємо конфігурацію за замовчуванням');\n      return getDefaultConfig();\n    }\n    \n    if ((error as NodeJS.ErrnoException).code === 'ENOENT') {\n      console.warn('⚠️  Файл конфігурації не знайдено, створюємо новий');\n      const defaultConfig = getDefaultConfig();\n      await createDefaultConfigFile(path, defaultConfig);\n      return defaultConfig;\n    }\n    \n    if (error instanceof SyntaxError) {\n      console.error('❌ Невалідний JSON у файлі конфігурації');\n      throw error; \u002F\u002F Критична помилка — завершуємо процес\n    }\n    \n    \u002F\u002F Невідома помилка\n    console.error('❌ Неочікувана помилка:', (error as Error).message);\n    throw error;\n  }\n}\n\nfunction getDefaultConfig(): any {\n  return {\n    port: 3000,\n    database: {\n      host: 'localhost',\n      port: 5432,\n      name: 'myapp',\n    },\n  };\n}\n\nasync function createDefaultConfigFile(path: string, config: any): Promise\u003Cvoid> {\n  const { writeFile } = await import('node:fs\u002Fpromises');\n  await writeFile(path, JSON.stringify(config, null, 2));\n}\n",[5102,8231,8232,8248,8252,8267,8282,8293,8309,8313,8317,8321,8349,8355,8378,8399,8403,8408,8436,8451,8455,8459,8501,8516,8520,8524,8532,8544,8549,8564,8587,8602,8611,8615,8619,8650,8666,8680,8699,8707,8711,8715,8730,8745,8756,8760,8764,8769,8796,8804,8808,8812,8816,8828,8834,8844,8851,8861,8871,8881,8886,8891,8896,8901,8936,8960,8994],{"__ignoreMap":5233},[5237,8233,8234,8236,8238,8240,8242,8244,8246],{"class":5239,"line":5240},[5237,8235,5646],{"class":5278},[5237,8237,5649],{"class":5251},[5237,8239,5652],{"class":5255},[5237,8241,5655],{"class":5251},[5237,8243,5658],{"class":5278},[5237,8245,7206],{"class":5371},[5237,8247,5397],{"class":5251},[5237,8249,8250],{"class":5239,"line":5275},[5237,8251,5481],{"emptyLinePlaceholder":5480},[5237,8253,8254,8257,8260,8263,8265],{"class":5239,"line":5284},[5237,8255,8256],{"class":5243},"class",[5237,8258,8259],{"class":5262}," ConfigurationError",[5237,8261,8262],{"class":5243}," extends",[5237,8264,5366],{"class":5262},[5237,8266,5272],{"class":5251},[5237,8268,8269,8272,8274,8276,8278,8280],{"class":5239,"line":5317},[5237,8270,8271],{"class":5243},"  constructor",[5237,8273,5252],{"class":5251},[5237,8275,5445],{"class":5255},[5237,8277,5259],{"class":5251},[5237,8279,5263],{"class":5262},[5237,8281,5354],{"class":5251},[5237,8283,8284,8287,8289,8291],{"class":5239,"line":5323},[5237,8285,8286],{"class":5243},"    super",[5237,8288,5252],{"class":5251},[5237,8290,5445],{"class":5255},[5237,8292,5375],{"class":5251},[5237,8294,8295,8298,8300,8302,8304,8307],{"class":5239,"line":5357},[5237,8296,8297],{"class":5243},"    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content",[5237,8363,5294],{"class":5251},[5237,8365,6016],{"class":5278},[5237,8367,7247],{"class":5247},[5237,8369,5252],{"class":5251},[5237,8371,8334],{"class":5255},[5237,8373,5105],{"class":5251},[5237,8375,5693],{"class":5371},[5237,8377,5375],{"class":5251},[5237,8379,8380,8382,8384,8386,8388,8390,8392,8394,8397],{"class":5239,"line":5465},[5237,8381,5287],{"class":5243},[5237,8383,5504],{"class":5290},[5237,8385,5294],{"class":5251},[5237,8387,5297],{"class":5290},[5237,8389,5300],{"class":5251},[5237,8391,5303],{"class":5247},[5237,8393,5252],{"class":5251},[5237,8395,8396],{"class":5255},"content",[5237,8398,5375],{"class":5251},[5237,8400,8401],{"class":5239,"line":5471},[5237,8402,5320],{"class":5251},[5237,8404,8405],{"class":5239,"line":5477},[5237,8406,8407],{"class":5313},"    \u002F\u002F Валідація конфігурації\n",[5237,8409,8410,8412,8414,8416,8418,8421,8423,8425,8427,8429,8431,8434],{"class":5239,"line":5484},[5237,8411,5326],{"class":5278},[5237,8413,5329],{"class":5251},[5237,8415,5537],{"class":5255},[5237,8417,5300],{"class":5251},[5237,8419,8420],{"class":5255},"database",[5237,8422,5340],{"class":5251},[5237,8424,5537],{"class":5255},[5237,8426,5300],{"class":5251},[5237,8428,8420],{"class":5255},[5237,8430,5300],{"class":5251},[5237,8432,8433],{"class":5255},"host",[5237,8435,5354],{"class":5251},[5237,8437,8438,8440,8442,8444,8446,8449],{"class":5239,"line":5490},[5237,8439,5360],{"class":5278},[5237,8441,5363],{"class":5243},[5237,8443,8259],{"class":5247},[5237,8445,5252],{"class":5251},[5237,8447,8448],{"class":5371},"'Відсутнє поле database.host у конфігурації'",[5237,8450,5375],{"class":5251},[5237,8452,8453],{"class":5239,"line":5498},[5237,8454,5381],{"class":5251},[5237,8456,8457],{"class":5239,"line":5519},[5237,8458,5320],{"class":5251},[5237,8460,8461,8463,8465,8467,8469,8472,8474,8476,8478,8480,8483,8485,8487,8489,8491,8493,8496,8499],{"class":5239,"line":5542},[5237,8462,5326],{"class":5278},[5237,8464,5329],{"class":5251},[5237,8466,5537],{"class":5255},[5237,8468,5300],{"class":5251},[5237,8470,8471],{"class":5255},"port",[5237,8473,6845],{"class":5251},[5237,8475,5537],{"class":5255},[5237,8477,5300],{"class":5251},[5237,8479,8471],{"class":5255},[5237,8481,8482],{"class":5251}," \u003C ",[5237,8484,5598],{"class":5597},[5237,8486,6845],{"class":5251},[5237,8488,5537],{"class":5255},[5237,8490,5300],{"class":5251},[5237,8492,8471],{"class":5255},[5237,8494,8495],{"class":5251}," > ",[5237,8497,8498],{"class":5597},"65535",[5237,8500,5354],{"class":5251},[5237,8502,8503,8505,8507,8509,8511,8514],{"class":5239,"line":5556},[5237,8504,5360],{"class":5278},[5237,8506,5363],{"class":5243},[5237,8508,8259],{"class":5247},[5237,8510,5252],{"class":5251},[5237,8512,8513],{"class":5371},"'Невалідний порт сервера'",[5237,8515,5375],{"class":5251},[5237,8517,8518],{"class":5239,"line":5584},[5237,8519,5381],{"class":5251},[5237,8521,8522],{"class":5239,"line":5603},[5237,8523,5320],{"class":5251},[5237,8525,8526,8528,8530],{"class":5239,"line":5963},[5237,8527,5392],{"class":5278},[5237,8529,5504],{"class":5255},[5237,8531,5397],{"class":5251},[5237,8533,8534,8536,8538,8540,8542],{"class":5239,"line":5969},[5237,8535,5403],{"class":5251},[5237,8537,5406],{"class":5278},[5237,8539,5409],{"class":5251},[5237,8541,5412],{"class":5255},[5237,8543,5354],{"class":5251},[5237,8545,8546],{"class":5239,"line":5975},[5237,8547,8548],{"class":5313},"    \u002F\u002F Вибіркова обробка за типом помилки\n",[5237,8550,8551,8553,8555,8557,8560,8562],{"class":5239,"line":5980},[5237,8552,5326],{"class":5278},[5237,8554,5409],{"class":5251},[5237,8556,5412],{"class":5255},[5237,8558,8559],{"class":5243}," instanceof",[5237,8561,8259],{"class":5262},[5237,8563,5354],{"class":5251},[5237,8565,8566,8568,8570,8572,8574,8577,8579,8581,8583,8585],{"class":5239,"line":5986},[5237,8567,7551],{"class":5255},[5237,8569,5300],{"class":5251},[5237,8571,5412],{"class":5247},[5237,8573,5252],{"class":5251},[5237,8575,8576],{"class":5371},"'❌ Помилка конфігурації:'",[5237,8578,5105],{"class":5251},[5237,8580,5412],{"class":5255},[5237,8582,5300],{"class":5251},[5237,8584,5445],{"class":5255},[5237,8586,5375],{"class":5251},[5237,8588,8589,8591,8593,8595,8597,8600],{"class":5239,"line":5992},[5237,8590,7551],{"class":5255},[5237,8592,5300],{"class":5251},[5237,8594,5527],{"class":5247},[5237,8596,5252],{"class":5251},[5237,8598,8599],{"class":5371},"'💡 Використовуємо конфігурацію за замовчуванням'",[5237,8601,5375],{"class":5251},[5237,8603,8604,8606,8609],{"class":5239,"line":5997},[5237,8605,6497],{"class":5278},[5237,8607,8608],{"class":5247}," getDefaultConfig",[5237,8610,8194],{"class":5251},[5237,8612,8613],{"class":5239,"line":6003},[5237,8614,5381],{"class":5251},[5237,8616,8617],{"class":5239,"line":6771},[5237,8618,5320],{"class":5251},[5237,8620,8621,8623,8626,8628,8630,8633,8635,8638,8640,8642,8645,8648],{"class":5239,"line":6786},[5237,8622,5326],{"class":5278},[5237,8624,8625],{"class":5251}," ((",[5237,8627,5412],{"class":5255},[5237,8629,5437],{"class":5278},[5237,8631,8632],{"class":5262}," NodeJS",[5237,8634,5300],{"class":5251},[5237,8636,8637],{"class":5262},"ErrnoException",[5237,8639,5442],{"class":5251},[5237,8641,5102],{"class":5255},[5237,8643,8644],{"class":5251}," === ",[5237,8646,8647],{"class":5371},"'ENOENT'",[5237,8649,5354],{"class":5251},[5237,8651,8652,8654,8656,8659,8661,8664],{"class":5239,"line":6801},[5237,8653,7551],{"class":5255},[5237,8655,5300],{"class":5251},[5237,8657,8658],{"class":5247},"warn",[5237,8660,5252],{"class":5251},[5237,8662,8663],{"class":5371},"'⚠️  Файл конфігурації не знайдено, створюємо новий'",[5237,8665,5375],{"class":5251},[5237,8667,8668,8670,8673,8675,8678],{"class":5239,"line":6816},[5237,8669,6762],{"class":5243},[5237,8671,8672],{"class":5290}," defaultConfig",[5237,8674,5294],{"class":5251},[5237,8676,8677],{"class":5247},"getDefaultConfig",[5237,8679,8194],{"class":5251},[5237,8681,8682,8685,8688,8690,8692,8694,8697],{"class":5239,"line":6853},[5237,8683,8684],{"class":5278},"      await",[5237,8686,8687],{"class":5247}," createDefaultConfigFile",[5237,8689,5252],{"class":5251},[5237,8691,8334],{"class":5255},[5237,8693,5105],{"class":5251},[5237,8695,8696],{"class":5255},"defaultConfig",[5237,8698,5375],{"class":5251},[5237,8700,8701,8703,8705],{"class":5239,"line":6859},[5237,8702,6497],{"class":5278},[5237,8704,8672],{"class":5255},[5237,8706,5397],{"class":5251},[5237,8708,8709],{"class":5239,"line":6864},[5237,8710,5381],{"class":5251},[5237,8712,8713],{"class":5239,"line":6870},[5237,8714,5320],{"class":5251},[5237,8716,8717,8719,8721,8723,8725,8728],{"class":5239,"line":6915},[5237,8718,5326],{"class":5278},[5237,8720,5409],{"class":5251},[5237,8722,5412],{"class":5255},[5237,8724,8559],{"class":5243},[5237,8726,8727],{"class":5262}," SyntaxError",[5237,8729,5354],{"class":5251},[5237,8731,8732,8734,8736,8738,8740,8743],{"class":5239,"line":6927},[5237,8733,7551],{"class":5255},[5237,8735,5300],{"class":5251},[5237,8737,5412],{"class":5247},[5237,8739,5252],{"class":5251},[5237,8741,8742],{"class":5371},"'❌ Невалідний JSON у файлі конфігурації'",[5237,8744,5375],{"class":5251},[5237,8746,8747,8749,8751,8753],{"class":5239,"line":6941},[5237,8748,5360],{"class":5278},[5237,8750,5456],{"class":5255},[5237,8752,5459],{"class":5251},[5237,8754,8755],{"class":5313},"\u002F\u002F Критична помилка — завершуємо процес\n",[5237,8757,8758],{"class":5239,"line":6947},[5237,8759,5381],{"class":5251},[5237,8761,8762],{"class":5239,"line":6953},[5237,8763,5320],{"class":5251},[5237,8765,8766],{"class":5239,"line":6972},[5237,8767,8768],{"class":5313},"    \u002F\u002F Невідома помилка\n",[5237,8770,8771,8773,8775,8777,8779,8782,8784,8786,8788,8790,8792,8794],{"class":5239,"line":6978},[5237,8772,5420],{"class":5255},[5237,8774,5300],{"class":5251},[5237,8776,5412],{"class":5247},[5237,8778,5252],{"class":5251},[5237,8780,8781],{"class":5371},"'❌ Неочікувана помилка:'",[5237,8783,5432],{"class":5251},[5237,8785,5412],{"class":5255},[5237,8787,5437],{"class":5278},[5237,8789,5366],{"class":5262},[5237,8791,5442],{"class":5251},[5237,8793,5445],{"class":5255},[5237,8795,5375],{"class":5251},[5237,8797,8798,8800,8802],{"class":5239,"line":6984},[5237,8799,5453],{"class":5278},[5237,8801,5456],{"class":5255},[5237,8803,5397],{"class":5251},[5237,8805,8806],{"class":5239,"line":6989},[5237,8807,5468],{"class":5251},[5237,8809,8810],{"class":5239,"line":6994},[5237,8811,5474],{"class":5251},[5237,8813,8814],{"class":5239,"line":6999},[5237,8815,5481],{"emptyLinePlaceholder":5480},[5237,8817,8818,8820,8822,8824,8826],{"class":5239,"line":7004},[5237,8819,5244],{"class":5243},[5237,8821,8608],{"class":5247},[5237,8823,8072],{"class":5251},[5237,8825,5269],{"class":5262},[5237,8827,5272],{"class":5251},[5237,8829,8830,8832],{"class":5239,"line":7029},[5237,8831,7244],{"class":5278},[5237,8833,5272],{"class":5251},[5237,8835,8836,8839,8842],{"class":5239,"line":7040},[5237,8837,8838],{"class":5255},"    port:",[5237,8840,8841],{"class":5597}," 3000",[5237,8843,6783],{"class":5251},[5237,8845,8846,8849],{"class":5239,"line":7064},[5237,8847,8848],{"class":5255},"    database:",[5237,8850,5272],{"class":5251},[5237,8852,8853,8856,8859],{"class":5239,"line":7080},[5237,8854,8855],{"class":5255},"      host:",[5237,8857,8858],{"class":5371}," 'localhost'",[5237,8860,6783],{"class":5251},[5237,8862,8863,8866,8869],{"class":5239,"line":7087},[5237,8864,8865],{"class":5255},"      port:",[5237,8867,8868],{"class":5597}," 5432",[5237,8870,6783],{"class":5251},[5237,8872,8873,8876,8879],{"class":5239,"line":7092},[5237,8874,8875],{"class":5255},"      name:",[5237,8877,8878],{"class":5371}," 'myapp'",[5237,8880,6783],{"class":5251},[5237,8882,8883],{"class":5239,"line":7097},[5237,8884,8885],{"class":5251},"    },\n",[5237,8887,8888],{"class":5239,"line":7117},[5237,8889,8890],{"class":5251},"  };\n",[5237,8892,8894],{"class":5239,"line":8893},60,[5237,8895,5474],{"class":5251},[5237,8897,8899],{"class":5239,"line":8898},61,[5237,8900,5481],{"emptyLinePlaceholder":5480},[5237,8902,8904,8906,8908,8910,8912,8914,8916,8918,8920,8922,8924,8926,8928,8930,8932,8934],{"class":5239,"line":8903},62,[5237,8905,5160],{"class":5243},[5237,8907,7751],{"class":5243},[5237,8909,8687],{"class":5247},[5237,8911,5252],{"class":5251},[5237,8913,8334],{"class":5255},[5237,8915,5259],{"class":5251},[5237,8917,5263],{"class":5262},[5237,8919,5105],{"class":5251},[5237,8921,5537],{"class":5255},[5237,8923,5259],{"class":5251},[5237,8925,5269],{"class":5262},[5237,8927,5266],{"class":5251},[5237,8929,7231],{"class":5262},[5237,8931,7234],{"class":5251},[5237,8933,6435],{"class":5262},[5237,8935,7239],{"class":5251},[5237,8937,8939,8941,8943,8945,8948,8950,8953,8955,8958],{"class":5239,"line":8938},63,[5237,8940,5501],{"class":5243},[5237,8942,5649],{"class":5251},[5237,8944,6071],{"class":5290},[5237,8946,8947],{"class":5251}," } = ",[5237,8949,6016],{"class":5278},[5237,8951,8952],{"class":5243}," import",[5237,8954,5252],{"class":5251},[5237,8956,8957],{"class":5371},"'node:fs\u002Fpromises'",[5237,8959,5375],{"class":5251},[5237,8961,8963,8966,8968,8970,8972,8974,8976,8978,8980,8982,8984,8986,8988,8990,8992],{"class":5239,"line":8962},64,[5237,8964,8965],{"class":5278},"  await",[5237,8967,7464],{"class":5247},[5237,8969,5252],{"class":5251},[5237,8971,8334],{"class":5255},[5237,8973,5105],{"class":5251},[5237,8975,5297],{"class":5290},[5237,8977,5300],{"class":5251},[5237,8979,6887],{"class":5247},[5237,8981,5252],{"class":5251},[5237,8983,5537],{"class":5255},[5237,8985,5105],{"class":5251},[5237,8987,6049],{"class":5243},[5237,8989,5105],{"class":5251},[5237,8991,6900],{"class":5597},[5237,8993,7986],{"class":5251},[5237,8995,8997],{"class":5239,"line":8996},65,[5237,8998,5474],{"class":5251},[5203,9000,9001],{},"У цьому прикладі різні типи помилок обробляються по-різному: помилки валідації та відсутності файлу призводять до використання конфігурації за замовчуванням, тоді як помилки парсингу JSON вважаються критичними.",[5198,9003,9005],{"id":9004},"глобальні-обробники-помилок-останній-рубіж-захисту","Глобальні обробники помилок: останній рубіж захисту",[5203,9007,9008],{},"Навіть при ретельній обробці помилок на рівні коду завжди існує ризик, що якась помилка залишиться необробленою. Node.js надає два глобальні обробники подій для перехоплення таких помилок:",[6312,9010,9011,9019],{},[5095,9012,9013,9018],{},[5132,9014,9015],{},[5102,9016,9017],{},"process.on('uncaughtException')"," — синхронні необроблені виключення.",[5095,9020,9021,9026,9027,5300],{},[5132,9022,9023],{},[5102,9024,9025],{},"process.on('unhandledRejection')"," — проміси без обробників ",[5102,9028,5108],{},[5211,9030,9032,9035],{"id":9031},"uncaughtexception-помилки-що-досягли-верху-стеку",[5102,9033,9034],{},"uncaughtException",": помилки, що досягли верху стеку",[5203,9037,9038,9039,9041,9042,9045,9046,9048],{},"Подія ",[5102,9040,9034],{}," спрацьовує, коли ",[5132,9043,9044],{},"синхронна помилка"," не була перехоплена жодним ",[5102,9047,5104],{}," блоком та досягла верхнього рівня стеку викликів:",[5228,9050,9052],{"className":5230,"code":9051,"language":5232,"meta":5233,"style":5233},"process.on('uncaughtException', (error: Error, origin: string) => {\n  console.error('🚨 Необроблене виключення!');\n  console.error('Помилка:', error.message);\n  console.error('Стек:', error.stack);\n  console.error('Джерело:', origin);\n  \n  \u002F\u002F КРИТИЧНО: Завершити процес після логування\n  process.exit(1);\n});\n\n\u002F\u002F Приклад виникнення uncaughtException\nsetTimeout(() => {\n  throw new Error('Помилка у таймері — не перехоплена try\u002Fcatch');\n}, 1000);\n\nconsole.log('Сервер запущено');\n",[5102,9053,9054,9092,9107,9129,9153,9172,9176,9181,9195,9199,9203,9208,9219,9235,9245,9249],{"__ignoreMap":5233},[5237,9055,9056,9059,9061,9064,9066,9069,9071,9073,9075,9077,9079,9082,9084,9086,9088,9090],{"class":5239,"line":5240},[5237,9057,9058],{"class":5255},"process",[5237,9060,5300],{"class":5251},[5237,9062,9063],{"class":5247},"on",[5237,9065,5252],{"class":5251},[5237,9067,9068],{"class":5371},"'uncaughtException'",[5237,9070,5432],{"class":5251},[5237,9072,5412],{"class":5255},[5237,9074,5259],{"class":5251},[5237,9076,6408],{"class":5262},[5237,9078,5105],{"class":5251},[5237,9080,9081],{"class":5255},"origin",[5237,9083,5259],{"class":5251},[5237,9085,5263],{"class":5262},[5237,9087,5705],{"class":5251},[5237,9089,5708],{"class":5243},[5237,9091,5272],{"class":5251},[5237,9093,9094,9096,9098,9100,9102,9105],{"class":5239,"line":5275},[5237,9095,5522],{"class":5255},[5237,9097,5300],{"class":5251},[5237,9099,5412],{"class":5247},[5237,9101,5252],{"class":5251},[5237,9103,9104],{"class":5371},"'🚨 Необроблене виключення!'",[5237,9106,5375],{"class":5251},[5237,9108,9109,9111,9113,9115,9117,9119,9121,9123,9125,9127],{"class":5239,"line":5284},[5237,9110,5522],{"class":5255},[5237,9112,5300],{"class":5251},[5237,9114,5412],{"class":5247},[5237,9116,5252],{"class":5251},[5237,9118,5790],{"class":5371},[5237,9120,5105],{"class":5251},[5237,9122,5412],{"class":5255},[5237,9124,5300],{"class":5251},[5237,9126,5445],{"class":5255},[5237,9128,5375],{"class":5251},[5237,9130,9131,9133,9135,9137,9139,9142,9144,9146,9148,9151],{"class":5239,"line":5317},[5237,9132,5522],{"class":5255},[5237,9134,5300],{"class":5251},[5237,9136,5412],{"class":5247},[5237,9138,5252],{"class":5251},[5237,9140,9141],{"class":5371},"'Стек:'",[5237,9143,5105],{"class":5251},[5237,9145,5412],{"class":5255},[5237,9147,5300],{"class":5251},[5237,9149,9150],{"class":5255},"stack",[5237,9152,5375],{"class":5251},[5237,9154,9155,9157,9159,9161,9163,9166,9168,9170],{"class":5239,"line":5323},[5237,9156,5522],{"class":5255},[5237,9158,5300],{"class":5251},[5237,9160,5412],{"class":5247},[5237,9162,5252],{"class":5251},[5237,9164,9165],{"class":5371},"'Джерело:'",[5237,9167,5105],{"class":5251},[5237,9169,9081],{"class":5255},[5237,9171,5375],{"class":5251},[5237,9173,9174],{"class":5239,"line":5357},[5237,9175,6181],{"class":5251},[5237,9177,9178],{"class":5239,"line":5378},[5237,9179,9180],{"class":5313},"  \u002F\u002F КРИТИЧНО: Завершити процес після логування\n",[5237,9182,9183,9185,9187,9189,9191,9193],{"class":5239,"line":5384},[5237,9184,5587],{"class":5255},[5237,9186,5300],{"class":5251},[5237,9188,5592],{"class":5247},[5237,9190,5252],{"class":5251},[5237,9192,5598],{"class":5597},[5237,9194,5375],{"class":5251},[5237,9196,9197],{"class":5239,"line":5389},[5237,9198,6307],{"class":5251},[5237,9200,9201],{"class":5239,"line":5400},[5237,9202,5481],{"emptyLinePlaceholder":5480},[5237,9204,9205],{"class":5239,"line":5417},[5237,9206,9207],{"class":5313},"\u002F\u002F Приклад виникнення uncaughtException\n",[5237,9209,9210,9213,9215,9217],{"class":5239,"line":5450},[5237,9211,9212],{"class":5247},"setTimeout",[5237,9214,7500],{"class":5251},[5237,9216,5708],{"class":5243},[5237,9218,5272],{"class":5251},[5237,9220,9221,9224,9226,9228,9230,9233],{"class":5239,"line":5465},[5237,9222,9223],{"class":5278},"  throw",[5237,9225,5363],{"class":5243},[5237,9227,5366],{"class":5247},[5237,9229,5252],{"class":5251},[5237,9231,9232],{"class":5371},"'Помилка у таймері — не перехоплена try\u002Fcatch'",[5237,9234,5375],{"class":5251},[5237,9236,9237,9240,9243],{"class":5239,"line":5471},[5237,9238,9239],{"class":5251},"}, ",[5237,9241,9242],{"class":5597},"1000",[5237,9244,5375],{"class":5251},[5237,9246,9247],{"class":5239,"line":5477},[5237,9248,5481],{"emptyLinePlaceholder":5480},[5237,9250,9251,9253,9255,9257,9259,9262],{"class":5239,"line":5484},[5237,9252,5809],{"class":5255},[5237,9254,5300],{"class":5251},[5237,9256,5527],{"class":5247},[5237,9258,5252],{"class":5251},[5237,9260,9261],{"class":5371},"'Сервер запущено'",[5237,9263,5375],{"class":5251},[9265,9266,9269,9283,9287,9290,9298,9306,9313,9321,9328,9336,9339],"terminal-preview",{":cursor":9267,"title":9268},"false","node app.ts",[9270,9271,9273,9278,9279],"div",{"className":9272},[5239],[5237,9274,9277],{"className":9275},[9276],"opacity-40","$"," ",[5132,9280,9268],{"className":9281},[9282],"font-bold",[9270,9284,9286],{"className":9285},[5239],"Сервер запущено",[9270,9288],{"className":9289},[5239],[9270,9291,9293],{"className":9292},[5239],[5237,9294,9297],{"className":9295},[9296,9282],"text-rose-400","🚨 Необроблене виключення!",[9270,9299,9301,9305],{"className":9300},[5239],[5237,9302,9304],{"className":9303},[9296],"Помилка:"," Помилка у таймері — не перехоплена try\u002Fcatch",[9270,9307,9309],{"className":9308},[5239],[5237,9310,9312],{"className":9311},[9296],"Стек:",[9270,9314,9316],{"className":9315},[5239],[5237,9317,9320],{"className":9318},[9319],"opacity-60","    at Timeout._onTimeout (\u002Fapp\u002Fapp.ts:13:9)",[9270,9322,9324],{"className":9323},[5239],[5237,9325,9327],{"className":9326},[9319],"    at listOnTimeout (node:internal\u002Ftimers:573:17)",[9270,9329,9331,9335],{"className":9330},[5239],[5237,9332,9334],{"className":9333},[9296],"Джерело:"," uncaughtException",[9270,9337],{"className":9338},[5239],[9270,9340,9342,9278,9346],{"className":9341},[5239],[5237,9343,9345],{"className":9344},[9276],"Process exited with code",[5237,9347,5598],{"className":9348},[9296,9282],[9350,9351,9352,9358,9359,5409,9362,9365],"caution",{},[5132,9353,9354,9355,9357],{},"Не намагайтеся продовжити роботу застосунку після ",[5102,9356,9034],{},"!"," Офіційна документація Node.js категорично не рекомендує це робити: стан застосунку після необробленого виключення є ",[5132,9360,9361],{},"невизначеним",[5114,9363,9364],{},"undefined state","). Деякі ресурси можуть залишитися незакритими, об'єкти — у несумісному стані. Єдина безпечна дія — логування та завершення процесу.",[5211,9367,9369,9372],{"id":9368},"unhandledrejection-проміси-без-обробників-помилок",[5102,9370,9371],{},"unhandledRejection",": проміси без обробників помилок",[5203,9374,9038,9375,9041,9377,5409,9380,9383,9384,5154,9386,5226],{},[5102,9376,9371],{},[5132,9378,9379],{},"проміс відхилено",[5114,9381,9382],{},"rejected","), але не було зареєстровано жодного обробника ",[5102,9385,5108],{},[5102,9387,5104],{},[5228,9389,9391],{"className":5230,"code":9390,"language":5232,"meta":5233,"style":5233},"process.on('unhandledRejection', (reason: any, promise: Promise\u003Cany>) => {\n  console.error('🚨 Необроблене відхилення промісу!');\n  console.error('Причина:', reason);\n  console.error('Проміс:', promise);\n  \n  \u002F\u002F КРИТИЧНО: Завершити процес\n  process.exit(1);\n});\n\n\u002F\u002F Приклад виникнення unhandledRejection\nasync function fetchData(): Promise\u003Cvoid> {\n  throw new Error('Помилка завантаження даних');\n}\n\nfetchData(); \u002F\u002F ❌ Викликано БЕЗ await і БЕЗ .catch() — unhandledRejection!\n\nconsole.log('Застосунок продовжує працювати...');\n",[5102,9392,9393,9435,9450,9469,9488,9492,9497,9511,9515,9519,9524,9543,9558,9562,9566,9577,9581],{"__ignoreMap":5233},[5237,9394,9395,9397,9399,9401,9403,9406,9408,9411,9413,9415,9417,9420,9422,9424,9426,9428,9431,9433],{"class":5239,"line":5240},[5237,9396,9058],{"class":5255},[5237,9398,5300],{"class":5251},[5237,9400,9063],{"class":5247},[5237,9402,5252],{"class":5251},[5237,9404,9405],{"class":5371},"'unhandledRejection'",[5237,9407,5432],{"class":5251},[5237,9409,9410],{"class":5255},"reason",[5237,9412,5259],{"class":5251},[5237,9414,5269],{"class":5262},[5237,9416,5105],{"class":5251},[5237,9418,9419],{"class":5255},"promise",[5237,9421,5259],{"class":5251},[5237,9423,7231],{"class":5262},[5237,9425,7234],{"class":5251},[5237,9427,5269],{"class":5262},[5237,9429,9430],{"class":5251},">) ",[5237,9432,5708],{"class":5243},[5237,9434,5272],{"class":5251},[5237,9436,9437,9439,9441,9443,9445,9448],{"class":5239,"line":5275},[5237,9438,5522],{"class":5255},[5237,9440,5300],{"class":5251},[5237,9442,5412],{"class":5247},[5237,9444,5252],{"class":5251},[5237,9446,9447],{"class":5371},"'🚨 Необроблене відхилення промісу!'",[5237,9449,5375],{"class":5251},[5237,9451,9452,9454,9456,9458,9460,9463,9465,9467],{"class":5239,"line":5284},[5237,9453,5522],{"class":5255},[5237,9455,5300],{"class":5251},[5237,9457,5412],{"class":5247},[5237,9459,5252],{"class":5251},[5237,9461,9462],{"class":5371},"'Причина:'",[5237,9464,5105],{"class":5251},[5237,9466,9410],{"class":5255},[5237,9468,5375],{"class":5251},[5237,9470,9471,9473,9475,9477,9479,9482,9484,9486],{"class":5239,"line":5317},[5237,9472,5522],{"class":5255},[5237,9474,5300],{"class":5251},[5237,9476,5412],{"class":5247},[5237,9478,5252],{"class":5251},[5237,9480,9481],{"class":5371},"'Проміс:'",[5237,9483,5105],{"class":5251},[5237,9485,9419],{"class":5255},[5237,9487,5375],{"class":5251},[5237,9489,9490],{"class":5239,"line":5323},[5237,9491,6181],{"class":5251},[5237,9493,9494],{"class":5239,"line":5357},[5237,9495,9496],{"class":5313},"  \u002F\u002F КРИТИЧНО: Завершити процес\n",[5237,9498,9499,9501,9503,9505,9507,9509],{"class":5239,"line":5378},[5237,9500,5587],{"class":5255},[5237,9502,5300],{"class":5251},[5237,9504,5592],{"class":5247},[5237,9506,5252],{"class":5251},[5237,9508,5598],{"class":5597},[5237,9510,5375],{"class":5251},[5237,9512,9513],{"class":5239,"line":5384},[5237,9514,6307],{"class":5251},[5237,9516,9517],{"class":5239,"line":5389},[5237,9518,5481],{"emptyLinePlaceholder":5480},[5237,9520,9521],{"class":5239,"line":5400},[5237,9522,9523],{"class":5313},"\u002F\u002F Приклад виникнення unhandledRejection\n",[5237,9525,9526,9528,9530,9533,9535,9537,9539,9541],{"class":5239,"line":5417},[5237,9527,5160],{"class":5243},[5237,9529,7751],{"class":5243},[5237,9531,9532],{"class":5247}," fetchData",[5237,9534,8072],{"class":5251},[5237,9536,7231],{"class":5262},[5237,9538,7234],{"class":5251},[5237,9540,6435],{"class":5262},[5237,9542,7239],{"class":5251},[5237,9544,9545,9547,9549,9551,9553,9556],{"class":5239,"line":5450},[5237,9546,9223],{"class":5278},[5237,9548,5363],{"class":5243},[5237,9550,5366],{"class":5247},[5237,9552,5252],{"class":5251},[5237,9554,9555],{"class":5371},"'Помилка завантаження даних'",[5237,9557,5375],{"class":5251},[5237,9559,9560],{"class":5239,"line":5465},[5237,9561,5474],{"class":5251},[5237,9563,9564],{"class":5239,"line":5471},[5237,9565,5481],{"emptyLinePlaceholder":5480},[5237,9567,9568,9571,9574],{"class":5239,"line":5477},[5237,9569,9570],{"class":5247},"fetchData",[5237,9572,9573],{"class":5251},"(); ",[5237,9575,9576],{"class":5313},"\u002F\u002F ❌ Викликано БЕЗ await і БЕЗ .catch() — unhandledRejection!\n",[5237,9578,9579],{"class":5239,"line":5484},[5237,9580,5481],{"emptyLinePlaceholder":5480},[5237,9582,9583,9585,9587,9589,9591,9594],{"class":5239,"line":5490},[5237,9584,5809],{"class":5255},[5237,9586,5300],{"class":5251},[5237,9588,5527],{"class":5247},[5237,9590,5252],{"class":5251},[5237,9592,9593],{"class":5371},"'Застосунок продовжує працювати...'",[5237,9595,5375],{"class":5251},[9265,9597,9598,9607,9611,9614,9621,9629,9636,9647,9650],{":cursor":9267,"title":9268},[9270,9599,9601,9278,9604],{"className":9600},[5239],[5237,9602,9277],{"className":9603},[9276],[5132,9605,9268],{"className":9606},[9282],[9270,9608,9610],{"className":9609},[5239],"Застосунок продовжує працювати...",[9270,9612],{"className":9613},[5239],[9270,9615,9617],{"className":9616},[5239],[5237,9618,9620],{"className":9619},[9296,9282],"🚨 Необроблене відхилення промісу!",[9270,9622,9624,9628],{"className":9623},[5239],[5237,9625,9627],{"className":9626},[9296],"Причина:"," Error: Помилка завантаження даних",[9270,9630,9632],{"className":9631},[5239],[5237,9633,9635],{"className":9634},[9319],"    at fetchData (\u002Fapp\u002Fapp.ts:10:9)",[9270,9637,9639,9643,9644],{"className":9638},[5239],[5237,9640,9642],{"className":9641},[9296],"Проміс:"," Promise { ",[9382,9645,9646],{}," Error: Помилка завантаження даних }",[9270,9648],{"className":9649},[5239],[9270,9651,9653,9278,9656],{"className":9652},[5239],[5237,9654,9345],{"className":9655},[9276],[5237,9657,5598],{"className":9658},[9296,9282],[6008,9660,9661,9664,9665,5154,9667,5157,9669,9671],{},[5132,9662,9663],{},"З Node.js 15.0.0 необроблені відхилення промісів автоматично завершують процес з кодом виходу 1."," До цієї версії застосунок продовжував працювати, що призводило до непередбачуваної поведінки та важких у налагодженні помилок. Завжди обробляйте проміси через ",[5102,9666,5108],{},[5102,9668,5104],{},[5102,9670,5160],{}," функціях.",[5211,9673,9675],{"id":9674},"централізований-обробник-для-production-середовища","Централізований обробник для production-середовища",[5203,9677,9678],{},"У виробничих застосунках критично важливо логувати всі необроблені помилки до системи моніторингу (Sentry, Datadog, CloudWatch) перед завершенням процесу:",[5228,9680,9682],{"className":5230,"code":9681,"language":5232,"meta":5233,"style":5233},"import { createLogger, transports, format } from 'winston';\n\n\u002F\u002F Налаштування логера\nconst logger = createLogger({\n  level: 'error',\n  format: format.combine(\n    format.timestamp(),\n    format.errors({ stack: true }),\n    format.json()\n  ),\n  transports: [\n    new transports.File({ filename: 'error.log' }),\n    new transports.Console(),\n  ],\n});\n\n\u002F\u002F Глобальний обробник для uncaughtException\nprocess.on('uncaughtException', (error: Error) => {\n  logger.error('Uncaught Exception', {\n    message: error.message,\n    stack: error.stack,\n    timestamp: new Date().toISOString(),\n  });\n  \n  \u002F\u002F Очікуємо завершення запису у лог\n  setTimeout(() => {\n    console.error('Процес завершено через необроблене виключення');\n    process.exit(1);\n  }, 1000);\n});\n\n\u002F\u002F Глобальний обробник для unhandledRejection\nprocess.on('unhandledRejection', (reason: any, promise: Promise\u003Cany>) => {\n  logger.error('Unhandled Rejection', {\n    reason: reason instanceof Error ? reason.message : String(reason),\n    stack: reason instanceof Error ? reason.stack : undefined,\n    promise: String(promise),\n    timestamp: new Date().toISOString(),\n  });\n  \n  setTimeout(() => {\n    console.error('Процес завершено через необроблене відхилення промісу');\n    process.exit(1);\n  }, 1000);\n});\n\n\u002F\u002F Приклад застосунку\nimport express from 'express';\n\nconst app = express();\n\napp.get('\u002Ferror', (req, res) => {\n  \u002F\u002F Викидаємо помилку без обробки — спрацює uncaughtException\n  throw new Error('Тестова помилка у маршруті');\n});\n\napp.get('\u002Fasync-error', async (req, res) => {\n  \u002F\u002F Викликаємо async функцію без await — спрацює unhandledRejection\n  Promise.reject(new Error('Тестова помилка у промісі'));\n  res.send('Запит оброблено');\n});\n\nconst PORT = 3000;\napp.listen(PORT, () => {\n  console.log(`Сервер запущено на порту ${PORT}`);\n});\n",[5102,9683,9684,9712,9716,9721,9736,9746,9762,9775,9796,9808,9813,9821,9844,9857,9862,9866,9870,9875,9901,9918,9931,9944,9962,9966,9970,9975,9986,10001,10015,10024,10028,10032,10037,10075,10090,10124,10148,10162,10176,10180,10184,10194,10209,10223,10231,10235,10239,10244,10259,10263,10277,10281,10312,10317,10332,10336,10340,10371,10376,10400,10417,10421,10425,10439,10460,10484],{"__ignoreMap":5233},[5237,9685,9686,9688,9690,9693,9695,9698,9700,9703,9705,9707,9710],{"class":5239,"line":5240},[5237,9687,5646],{"class":5278},[5237,9689,5649],{"class":5251},[5237,9691,9692],{"class":5255},"createLogger",[5237,9694,5105],{"class":5251},[5237,9696,9697],{"class":5255},"transports",[5237,9699,5105],{"class":5251},[5237,9701,9702],{"class":5255},"format",[5237,9704,5655],{"class":5251},[5237,9706,5658],{"class":5278},[5237,9708,9709],{"class":5371}," 'winston'",[5237,9711,5397],{"class":5251},[5237,9713,9714],{"class":5239,"line":5275},[5237,9715,5481],{"emptyLinePlaceholder":5480},[5237,9717,9718],{"class":5239,"line":5284},[5237,9719,9720],{"class":5313},"\u002F\u002F Налаштування логера\n",[5237,9722,9723,9726,9729,9731,9733],{"class":5239,"line":5317},[5237,9724,9725],{"class":5243},"const",[5237,9727,9728],{"class":5290}," logger",[5237,9730,5294],{"class":5251},[5237,9732,9692],{"class":5247},[5237,9734,9735],{"class":5251},"({\n",[5237,9737,9738,9741,9744],{"class":5239,"line":5323},[5237,9739,9740],{"class":5255},"  level:",[5237,9742,9743],{"class":5371}," 'error'",[5237,9745,6783],{"class":5251},[5237,9747,9748,9751,9754,9756,9759],{"class":5239,"line":5357},[5237,9749,9750],{"class":5255},"  format:",[5237,9752,9753],{"class":5255}," format",[5237,9755,5300],{"class":5251},[5237,9757,9758],{"class":5247},"combine",[5237,9760,9761],{"class":5251},"(\n",[5237,9763,9764,9767,9769,9772],{"class":5239,"line":5378},[5237,9765,9766],{"class":5255},"    format",[5237,9768,5300],{"class":5251},[5237,9770,9771],{"class":5247},"timestamp",[5237,9773,9774],{"class":5251},"(),\n",[5237,9776,9777,9779,9781,9784,9787,9790,9793],{"class":5239,"line":5384},[5237,9778,9766],{"class":5255},[5237,9780,5300],{"class":5251},[5237,9782,9783],{"class":5247},"errors",[5237,9785,9786],{"class":5251},"({ ",[5237,9788,9789],{"class":5255},"stack:",[5237,9791,9792],{"class":5243}," true",[5237,9794,9795],{"class":5251}," }),\n",[5237,9797,9798,9800,9802,9805],{"class":5239,"line":5389},[5237,9799,9766],{"class":5255},[5237,9801,5300],{"class":5251},[5237,9803,9804],{"class":5247},"json",[5237,9806,9807],{"class":5251},"()\n",[5237,9809,9810],{"class":5239,"line":5400},[5237,9811,9812],{"class":5251},"  ),\n",[5237,9814,9815,9818],{"class":5239,"line":5417},[5237,9816,9817],{"class":5255},"  transports:",[5237,9819,9820],{"class":5251}," [\n",[5237,9822,9823,9826,9829,9831,9834,9836,9839,9842],{"class":5239,"line":5450},[5237,9824,9825],{"class":5243},"    new",[5237,9827,9828],{"class":5255}," transports",[5237,9830,5300],{"class":5251},[5237,9832,9833],{"class":5247},"File",[5237,9835,9786],{"class":5251},[5237,9837,9838],{"class":5255},"filename:",[5237,9840,9841],{"class":5371}," 'error.log'",[5237,9843,9795],{"class":5251},[5237,9845,9846,9848,9850,9852,9855],{"class":5239,"line":5465},[5237,9847,9825],{"class":5243},[5237,9849,9828],{"class":5255},[5237,9851,5300],{"class":5251},[5237,9853,9854],{"class":5247},"Console",[5237,9856,9774],{"class":5251},[5237,9858,9859],{"class":5239,"line":5471},[5237,9860,9861],{"class":5251},"  ],\n",[5237,9863,9864],{"class":5239,"line":5477},[5237,9865,6307],{"class":5251},[5237,9867,9868],{"class":5239,"line":5484},[5237,9869,5481],{"emptyLinePlaceholder":5480},[5237,9871,9872],{"class":5239,"line":5490},[5237,9873,9874],{"class":5313},"\u002F\u002F Глобальний обробник для uncaughtException\n",[5237,9876,9877,9879,9881,9883,9885,9887,9889,9891,9893,9895,9897,9899],{"class":5239,"line":5498},[5237,9878,9058],{"class":5255},[5237,9880,5300],{"class":5251},[5237,9882,9063],{"class":5247},[5237,9884,5252],{"class":5251},[5237,9886,9068],{"class":5371},[5237,9888,5432],{"class":5251},[5237,9890,5412],{"class":5255},[5237,9892,5259],{"class":5251},[5237,9894,6408],{"class":5262},[5237,9896,5705],{"class":5251},[5237,9898,5708],{"class":5243},[5237,9900,5272],{"class":5251},[5237,9902,9903,9906,9908,9910,9912,9915],{"class":5239,"line":5519},[5237,9904,9905],{"class":5255},"  logger",[5237,9907,5300],{"class":5251},[5237,9909,5412],{"class":5247},[5237,9911,5252],{"class":5251},[5237,9913,9914],{"class":5371},"'Uncaught Exception'",[5237,9916,9917],{"class":5251},", {\n",[5237,9919,9920,9923,9925,9927,9929],{"class":5239,"line":5542},[5237,9921,9922],{"class":5255},"    message:",[5237,9924,5456],{"class":5255},[5237,9926,5300],{"class":5251},[5237,9928,5445],{"class":5255},[5237,9930,6783],{"class":5251},[5237,9932,9933,9936,9938,9940,9942],{"class":5239,"line":5556},[5237,9934,9935],{"class":5255},"    stack:",[5237,9937,5456],{"class":5255},[5237,9939,5300],{"class":5251},[5237,9941,9150],{"class":5255},[5237,9943,6783],{"class":5251},[5237,9945,9946,9949,9951,9954,9957,9960],{"class":5239,"line":5584},[5237,9947,9948],{"class":5255},"    timestamp:",[5237,9950,5363],{"class":5243},[5237,9952,9953],{"class":5247}," Date",[5237,9955,9956],{"class":5251},"().",[5237,9958,9959],{"class":5247},"toISOString",[5237,9961,9774],{"class":5251},[5237,9963,9964],{"class":5239,"line":5603},[5237,9965,5760],{"class":5251},[5237,9967,9968],{"class":5239,"line":5963},[5237,9969,6181],{"class":5251},[5237,9971,9972],{"class":5239,"line":5969},[5237,9973,9974],{"class":5313},"  \u002F\u002F Очікуємо завершення запису у лог\n",[5237,9976,9977,9980,9982,9984],{"class":5239,"line":5975},[5237,9978,9979],{"class":5247},"  setTimeout",[5237,9981,7500],{"class":5251},[5237,9983,5708],{"class":5243},[5237,9985,5272],{"class":5251},[5237,9987,9988,9990,9992,9994,9996,9999],{"class":5239,"line":5980},[5237,9989,5420],{"class":5255},[5237,9991,5300],{"class":5251},[5237,9993,5412],{"class":5247},[5237,9995,5252],{"class":5251},[5237,9997,9998],{"class":5371},"'Процес завершено через необроблене виключення'",[5237,10000,5375],{"class":5251},[5237,10002,10003,10005,10007,10009,10011,10013],{"class":5239,"line":5986},[5237,10004,7067],{"class":5255},[5237,10006,5300],{"class":5251},[5237,10008,5592],{"class":5247},[5237,10010,5252],{"class":5251},[5237,10012,5598],{"class":5597},[5237,10014,5375],{"class":5251},[5237,10016,10017,10020,10022],{"class":5239,"line":5992},[5237,10018,10019],{"class":5251},"  }, ",[5237,10021,9242],{"class":5597},[5237,10023,5375],{"class":5251},[5237,10025,10026],{"class":5239,"line":5997},[5237,10027,6307],{"class":5251},[5237,10029,10030],{"class":5239,"line":6003},[5237,10031,5481],{"emptyLinePlaceholder":5480},[5237,10033,10034],{"class":5239,"line":6771},[5237,10035,10036],{"class":5313},"\u002F\u002F Глобальний обробник для unhandledRejection\n",[5237,10038,10039,10041,10043,10045,10047,10049,10051,10053,10055,10057,10059,10061,10063,10065,10067,10069,10071,10073],{"class":5239,"line":6786},[5237,10040,9058],{"class":5255},[5237,10042,5300],{"class":5251},[5237,10044,9063],{"class":5247},[5237,10046,5252],{"class":5251},[5237,10048,9405],{"class":5371},[5237,10050,5432],{"class":5251},[5237,10052,9410],{"class":5255},[5237,10054,5259],{"class":5251},[5237,10056,5269],{"class":5262},[5237,10058,5105],{"class":5251},[5237,10060,9419],{"class":5255},[5237,10062,5259],{"class":5251},[5237,10064,7231],{"class":5262},[5237,10066,7234],{"class":5251},[5237,10068,5269],{"class":5262},[5237,10070,9430],{"class":5251},[5237,10072,5708],{"class":5243},[5237,10074,5272],{"class":5251},[5237,10076,10077,10079,10081,10083,10085,10088],{"class":5239,"line":6801},[5237,10078,9905],{"class":5255},[5237,10080,5300],{"class":5251},[5237,10082,5412],{"class":5247},[5237,10084,5252],{"class":5251},[5237,10086,10087],{"class":5371},"'Unhandled Rejection'",[5237,10089,9917],{"class":5251},[5237,10091,10092,10095,10098,10100,10102,10105,10107,10109,10111,10114,10117,10119,10121],{"class":5239,"line":6816},[5237,10093,10094],{"class":5255},"    reason:",[5237,10096,10097],{"class":5255}," reason",[5237,10099,8559],{"class":5243},[5237,10101,5366],{"class":5262},[5237,10103,10104],{"class":5251}," ? ",[5237,10106,9410],{"class":5255},[5237,10108,5300],{"class":5251},[5237,10110,5445],{"class":5255},[5237,10112,10113],{"class":5251}," : ",[5237,10115,10116],{"class":5247},"String",[5237,10118,5252],{"class":5251},[5237,10120,9410],{"class":5255},[5237,10122,10123],{"class":5251},"),\n",[5237,10125,10126,10128,10130,10132,10134,10136,10138,10140,10142,10144,10146],{"class":5239,"line":6853},[5237,10127,9935],{"class":5255},[5237,10129,10097],{"class":5255},[5237,10131,8559],{"class":5243},[5237,10133,5366],{"class":5262},[5237,10135,10104],{"class":5251},[5237,10137,9410],{"class":5255},[5237,10139,5300],{"class":5251},[5237,10141,9150],{"class":5255},[5237,10143,10113],{"class":5251},[5237,10145,6052],{"class":5243},[5237,10147,6783],{"class":5251},[5237,10149,10150,10153,10156,10158,10160],{"class":5239,"line":6859},[5237,10151,10152],{"class":5255},"    promise:",[5237,10154,10155],{"class":5247}," String",[5237,10157,5252],{"class":5251},[5237,10159,9419],{"class":5255},[5237,10161,10123],{"class":5251},[5237,10163,10164,10166,10168,10170,10172,10174],{"class":5239,"line":6864},[5237,10165,9948],{"class":5255},[5237,10167,5363],{"class":5243},[5237,10169,9953],{"class":5247},[5237,10171,9956],{"class":5251},[5237,10173,9959],{"class":5247},[5237,10175,9774],{"class":5251},[5237,10177,10178],{"class":5239,"line":6870},[5237,10179,5760],{"class":5251},[5237,10181,10182],{"class":5239,"line":6915},[5237,10183,6181],{"class":5251},[5237,10185,10186,10188,10190,10192],{"class":5239,"line":6927},[5237,10187,9979],{"class":5247},[5237,10189,7500],{"class":5251},[5237,10191,5708],{"class":5243},[5237,10193,5272],{"class":5251},[5237,10195,10196,10198,10200,10202,10204,10207],{"class":5239,"line":6941},[5237,10197,5420],{"class":5255},[5237,10199,5300],{"class":5251},[5237,10201,5412],{"class":5247},[5237,10203,5252],{"class":5251},[5237,10205,10206],{"class":5371},"'Процес завершено через необроблене відхилення промісу'",[5237,10208,5375],{"class":5251},[5237,10210,10211,10213,10215,10217,10219,10221],{"class":5239,"line":6947},[5237,10212,7067],{"class":5255},[5237,10214,5300],{"class":5251},[5237,10216,5592],{"class":5247},[5237,10218,5252],{"class":5251},[5237,10220,5598],{"class":5597},[5237,10222,5375],{"class":5251},[5237,10224,10225,10227,10229],{"class":5239,"line":6953},[5237,10226,10019],{"class":5251},[5237,10228,9242],{"class":5597},[5237,10230,5375],{"class":5251},[5237,10232,10233],{"class":5239,"line":6972},[5237,10234,6307],{"class":5251},[5237,10236,10237],{"class":5239,"line":6978},[5237,10238,5481],{"emptyLinePlaceholder":5480},[5237,10240,10241],{"class":5239,"line":6984},[5237,10242,10243],{"class":5313},"\u002F\u002F Приклад застосунку\n",[5237,10245,10246,10248,10251,10254,10257],{"class":5239,"line":6989},[5237,10247,5646],{"class":5278},[5237,10249,10250],{"class":5255}," express",[5237,10252,10253],{"class":5278}," from",[5237,10255,10256],{"class":5371}," 'express'",[5237,10258,5397],{"class":5251},[5237,10260,10261],{"class":5239,"line":6994},[5237,10262,5481],{"emptyLinePlaceholder":5480},[5237,10264,10265,10267,10270,10272,10275],{"class":5239,"line":6999},[5237,10266,9725],{"class":5243},[5237,10268,10269],{"class":5290}," app",[5237,10271,5294],{"class":5251},[5237,10273,10274],{"class":5247},"express",[5237,10276,8194],{"class":5251},[5237,10278,10279],{"class":5239,"line":7004},[5237,10280,5481],{"emptyLinePlaceholder":5480},[5237,10282,10283,10286,10288,10291,10293,10296,10298,10301,10303,10306,10308,10310],{"class":5239,"line":7029},[5237,10284,10285],{"class":5255},"app",[5237,10287,5300],{"class":5251},[5237,10289,10290],{"class":5247},"get",[5237,10292,5252],{"class":5251},[5237,10294,10295],{"class":5371},"'\u002Ferror'",[5237,10297,5432],{"class":5251},[5237,10299,10300],{"class":5255},"req",[5237,10302,5105],{"class":5251},[5237,10304,10305],{"class":5255},"res",[5237,10307,5705],{"class":5251},[5237,10309,5708],{"class":5243},[5237,10311,5272],{"class":5251},[5237,10313,10314],{"class":5239,"line":7040},[5237,10315,10316],{"class":5313},"  \u002F\u002F Викидаємо помилку без обробки — спрацює uncaughtException\n",[5237,10318,10319,10321,10323,10325,10327,10330],{"class":5239,"line":7064},[5237,10320,9223],{"class":5278},[5237,10322,5363],{"class":5243},[5237,10324,5366],{"class":5247},[5237,10326,5252],{"class":5251},[5237,10328,10329],{"class":5371},"'Тестова помилка у маршруті'",[5237,10331,5375],{"class":5251},[5237,10333,10334],{"class":5239,"line":7080},[5237,10335,6307],{"class":5251},[5237,10337,10338],{"class":5239,"line":7087},[5237,10339,5481],{"emptyLinePlaceholder":5480},[5237,10341,10342,10344,10346,10348,10350,10353,10355,10357,10359,10361,10363,10365,10367,10369],{"class":5239,"line":7092},[5237,10343,10285],{"class":5255},[5237,10345,5300],{"class":5251},[5237,10347,10290],{"class":5247},[5237,10349,5252],{"class":5251},[5237,10351,10352],{"class":5371},"'\u002Fasync-error'",[5237,10354,5105],{"class":5251},[5237,10356,5160],{"class":5243},[5237,10358,5409],{"class":5251},[5237,10360,10300],{"class":5255},[5237,10362,5105],{"class":5251},[5237,10364,10305],{"class":5255},[5237,10366,5705],{"class":5251},[5237,10368,5708],{"class":5243},[5237,10370,5272],{"class":5251},[5237,10372,10373],{"class":5239,"line":7097},[5237,10374,10375],{"class":5313},"  \u002F\u002F Викликаємо async функцію без await — спрацює unhandledRejection\n",[5237,10377,10378,10381,10383,10386,10388,10391,10393,10395,10398],{"class":5239,"line":7117},[5237,10379,10380],{"class":5262},"  Promise",[5237,10382,5300],{"class":5251},[5237,10384,10385],{"class":5247},"reject",[5237,10387,5252],{"class":5251},[5237,10389,10390],{"class":5243},"new",[5237,10392,5366],{"class":5247},[5237,10394,5252],{"class":5251},[5237,10396,10397],{"class":5371},"'Тестова помилка у промісі'",[5237,10399,7986],{"class":5251},[5237,10401,10402,10405,10407,10410,10412,10415],{"class":5239,"line":8893},[5237,10403,10404],{"class":5255},"  res",[5237,10406,5300],{"class":5251},[5237,10408,10409],{"class":5247},"send",[5237,10411,5252],{"class":5251},[5237,10413,10414],{"class":5371},"'Запит оброблено'",[5237,10416,5375],{"class":5251},[5237,10418,10419],{"class":5239,"line":8898},[5237,10420,6307],{"class":5251},[5237,10422,10423],{"class":5239,"line":8903},[5237,10424,5481],{"emptyLinePlaceholder":5480},[5237,10426,10427,10429,10432,10434,10437],{"class":5239,"line":8938},[5237,10428,9725],{"class":5243},[5237,10430,10431],{"class":5290}," PORT",[5237,10433,5294],{"class":5251},[5237,10435,10436],{"class":5597},"3000",[5237,10438,5397],{"class":5251},[5237,10440,10441,10443,10445,10448,10450,10453,10456,10458],{"class":5239,"line":8962},[5237,10442,10285],{"class":5255},[5237,10444,5300],{"class":5251},[5237,10446,10447],{"class":5247},"listen",[5237,10449,5252],{"class":5251},[5237,10451,10452],{"class":5290},"PORT",[5237,10454,10455],{"class":5251},", () ",[5237,10457,5708],{"class":5243},[5237,10459,5272],{"class":5251},[5237,10461,10462,10464,10466,10468,10470,10473,10475,10477,10479,10482],{"class":5239,"line":8996},[5237,10463,5522],{"class":5255},[5237,10465,5300],{"class":5251},[5237,10467,5527],{"class":5247},[5237,10469,5252],{"class":5251},[5237,10471,10472],{"class":5371},"`Сервер запущено на порту ",[5237,10474,6454],{"class":5243},[5237,10476,10452],{"class":5290},[5237,10478,6459],{"class":5243},[5237,10480,10481],{"class":5371},"`",[5237,10483,5375],{"class":5251},[5237,10485,10487],{"class":5239,"line":10486},66,[5237,10488,6307],{"class":5251},[5203,10490,10491],{},"У цьому прикладі всі необроблені помилки логуються через Winston з повним стеком викликів та часовою міткою. Процес завершується після короткої затримки, щоб дати час на запис логів.",[7128,10493,10494,10495,10498,10499,10502,10503,5154,10506,10509],{},"Використання ",[5102,10496,10497],{},"setTimeout()"," перед ",[5102,10500,10501],{},"process.exit()"," є поширеною практикою для гарантії, що всі асинхронні операції логування встигнуть завершитися. Альтернативно можна використовувати обробники подій ",[5102,10504,10505],{},"finish",[5102,10507,10508],{},"close"," транспортів логера для синхронізації.",[5198,10511,10513],{"id":10512},"graceful-shutdown-коректне-завершення-застосунку","Graceful Shutdown: коректне завершення застосунку",[5203,10515,10516,5409,10519,10521],{},[5132,10517,10518],{},"Graceful shutdown",[5114,10520,5169],{},") — це процес контрольованої зупинки застосунку з закриттям всіх відкритих ресурсів: HTTP-серверів, підключень до бази даних, черг повідомлень, файлових дескрипторів. Це критично важливо для:",[6312,10523,10524,10530,10536,10544],{},[5095,10525,10526,10529],{},[5132,10527,10528],{},"Запобігання втраті даних:"," незавершені транзакції БД повинні бути закомічені або відкочені.",[5095,10531,10532,10535],{},[5132,10533,10534],{},"Уникнення витоку ресурсів:"," відкриті сокети, файлові дескриптори повинні бути закриті.",[5095,10537,10538,10541,10542,5300],{},[5132,10539,10540],{},"Коректної роботи оркестраторів:"," Kubernetes, Docker Swarm очікують, що застосунок коректно відповість на ",[5102,10543,5182],{},[5095,10545,10546,10549],{},[5132,10547,10548],{},"Збереження логів:"," всі буферизовані логи повинні бути записані на диск.",[5211,10551,10553],{"id":10552},"обробка-сигналів-операційної-системи","Обробка сигналів операційної системи",[5203,10555,10556],{},"Операційна система може надіслати процесу різні сигнали для керування його життєвим циклом:",[5092,10558,10559,10569,10582,10590],{},[5095,10560,10561,5409,10565,10568],{},[5132,10562,10563],{},[5102,10564,5182],{},[5114,10566,10567],{},"Signal Terminate","): запит на коректне завершення процесу (стандартний сигнал від Kubernetes).",[5095,10570,10571,5409,10575,10578,10579,5442],{},[5132,10572,10573],{},[5102,10574,5186],{},[5114,10576,10577],{},"Signal Interrupt","): переривання з клавіатури (",[5102,10580,10581],{},"Ctrl+C",[5095,10583,10584,10589],{},[5132,10585,10586],{},[5102,10587,10588],{},"SIGKILL",": негайне примусове завершення (не може бути перехоплено).",[5095,10591,10592,5105,10597,10602],{},[5132,10593,10594],{},[5102,10595,10596],{},"SIGUSR1",[5132,10598,10599],{},[5102,10600,10601],{},"SIGUSR2",": користувацькі сигнали (можуть використовуватися для кастомної логіки).",[5228,10604,10606],{"className":5230,"code":10605,"language":5232,"meta":5233,"style":5233},"import http from 'node:http';\nimport { Pool } from 'pg';\n\n\u002F\u002F Створення HTTP-сервера\nconst server = http.createServer((req, res) => {\n  res.writeHead(200);\n  res.end('Hello, World!');\n});\n\n\u002F\u002F Підключення до бази даних\nconst pool = new Pool({\n  connectionString: process.env.DATABASE_URL || 'postgresql:\u002F\u002Flocalhost\u002Fmydb',\n});\n\nconst PORT = 3000;\nserver.listen(PORT, () => {\n  console.log(`✓ Сервер запущено на порту ${PORT}`);\n});\n\n\u002F\u002F Функція коректного завершення\nasync function gracefulShutdown(signal: string): Promise\u003Cvoid> {\n  console.log(`\\n🛑 Отримано сигнал ${signal}, ініціюємо graceful shutdown...`);\n  \n  \u002F\u002F Крок 1: Зупиняємо прийом нових підключень\n  server.close((err) => {\n    if (err) {\n      console.error('❌ Помилка закриття HTTP-сервера:', err.message);\n    } else {\n      console.log('✓ HTTP-сервер закрито');\n    }\n  });\n  \n  \u002F\u002F Крок 2: Закриваємо підключення до бази даних\n  try {\n    await pool.end();\n    console.log('✓ Пул підключень до БД закрито');\n  } catch (error) {\n    console.error('❌ Помилка закриття пулу БД:', (error as Error).message);\n  }\n  \n  \u002F\u002F Крок 3: Очікуємо завершення всіх активних запитів (max 10 секунд)\n  const shutdownTimeout = setTimeout(() => {\n    console.error('⚠️  Таймаут graceful shutdown, примусове завершення');\n    process.exit(1);\n  }, 10000);\n  \n  \u002F\u002F Крок 4: Успішне завершення\n  clearTimeout(shutdownTimeout);\n  console.log('✓ Graceful shutdown завершено');\n  process.exit(0);\n}\n\n\u002F\u002F Реєстрація обробників сигналів\nprocess.on('SIGTERM', () => gracefulShutdown('SIGTERM'));\nprocess.on('SIGINT', () => gracefulShutdown('SIGINT'));\n\n\u002F\u002F Обробник для необроблених помилок\nprocess.on('uncaughtException', (error: Error) => {\n  console.error('🚨 Uncaught Exception:', error.message);\n  console.error(error.stack);\n  gracefulShutdown('uncaughtException');\n});\n\nprocess.on('unhandledRejection', (reason: any) => {\n  console.error('🚨 Unhandled Rejection:', reason);\n  gracefulShutdown('unhandledRejection');\n});\n",[5102,10607,10608,10622,10640,10644,10649,10680,10696,10712,10716,10720,10725,10741,10766,10770,10774,10786,10805,10828,10832,10836,10841,10869,10899,10903,10908,10927,10937,10960,10969,10984,10988,10992,10996,11001,11007,11019,11034,11046,11073,11077,11081,11086,11103,11118,11132,11141,11145,11150,11162,11177,11192,11196,11200,11205,11230,11255,11259,11264,11290,11313,11331,11342,11346,11350,11376,11395,11405],{"__ignoreMap":5233},[5237,10609,10610,10612,10615,10617,10620],{"class":5239,"line":5240},[5237,10611,5646],{"class":5278},[5237,10613,10614],{"class":5255}," http",[5237,10616,10253],{"class":5278},[5237,10618,10619],{"class":5371}," 'node:http'",[5237,10621,5397],{"class":5251},[5237,10623,10624,10626,10628,10631,10633,10635,10638],{"class":5239,"line":5275},[5237,10625,5646],{"class":5278},[5237,10627,5649],{"class":5251},[5237,10629,10630],{"class":5255},"Pool",[5237,10632,5655],{"class":5251},[5237,10634,5658],{"class":5278},[5237,10636,10637],{"class":5371}," 'pg'",[5237,10639,5397],{"class":5251},[5237,10641,10642],{"class":5239,"line":5284},[5237,10643,5481],{"emptyLinePlaceholder":5480},[5237,10645,10646],{"class":5239,"line":5317},[5237,10647,10648],{"class":5313},"\u002F\u002F Створення HTTP-сервера\n",[5237,10650,10651,10653,10656,10658,10661,10663,10666,10668,10670,10672,10674,10676,10678],{"class":5239,"line":5323},[5237,10652,9725],{"class":5243},[5237,10654,10655],{"class":5290}," server",[5237,10657,5294],{"class":5251},[5237,10659,10660],{"class":5255},"http",[5237,10662,5300],{"class":5251},[5237,10664,10665],{"class":5247},"createServer",[5237,10667,7277],{"class":5251},[5237,10669,10300],{"class":5255},[5237,10671,5105],{"class":5251},[5237,10673,10305],{"class":5255},[5237,10675,5705],{"class":5251},[5237,10677,5708],{"class":5243},[5237,10679,5272],{"class":5251},[5237,10681,10682,10684,10686,10689,10691,10694],{"class":5239,"line":5357},[5237,10683,10404],{"class":5255},[5237,10685,5300],{"class":5251},[5237,10687,10688],{"class":5247},"writeHead",[5237,10690,5252],{"class":5251},[5237,10692,10693],{"class":5597},"200",[5237,10695,5375],{"class":5251},[5237,10697,10698,10700,10702,10705,10707,10710],{"class":5239,"line":5378},[5237,10699,10404],{"class":5255},[5237,10701,5300],{"class":5251},[5237,10703,10704],{"class":5247},"end",[5237,10706,5252],{"class":5251},[5237,10708,10709],{"class":5371},"'Hello, World!'",[5237,10711,5375],{"class":5251},[5237,10713,10714],{"class":5239,"line":5384},[5237,10715,6307],{"class":5251},[5237,10717,10718],{"class":5239,"line":5389},[5237,10719,5481],{"emptyLinePlaceholder":5480},[5237,10721,10722],{"class":5239,"line":5400},[5237,10723,10724],{"class":5313},"\u002F\u002F Підключення до бази даних\n",[5237,10726,10727,10729,10732,10734,10736,10739],{"class":5239,"line":5417},[5237,10728,9725],{"class":5243},[5237,10730,10731],{"class":5290}," pool",[5237,10733,5294],{"class":5251},[5237,10735,10390],{"class":5243},[5237,10737,10738],{"class":5247}," Pool",[5237,10740,9735],{"class":5251},[5237,10742,10743,10746,10749,10751,10754,10756,10759,10761,10764],{"class":5239,"line":5450},[5237,10744,10745],{"class":5255},"  connectionString:",[5237,10747,10748],{"class":5255}," process",[5237,10750,5300],{"class":5251},[5237,10752,10753],{"class":5255},"env",[5237,10755,5300],{"class":5251},[5237,10757,10758],{"class":5290},"DATABASE_URL",[5237,10760,6845],{"class":5251},[5237,10762,10763],{"class":5371},"'postgresql:\u002F\u002Flocalhost\u002Fmydb'",[5237,10765,6783],{"class":5251},[5237,10767,10768],{"class":5239,"line":5465},[5237,10769,6307],{"class":5251},[5237,10771,10772],{"class":5239,"line":5471},[5237,10773,5481],{"emptyLinePlaceholder":5480},[5237,10775,10776,10778,10780,10782,10784],{"class":5239,"line":5477},[5237,10777,9725],{"class":5243},[5237,10779,10431],{"class":5290},[5237,10781,5294],{"class":5251},[5237,10783,10436],{"class":5597},[5237,10785,5397],{"class":5251},[5237,10787,10788,10791,10793,10795,10797,10799,10801,10803],{"class":5239,"line":5484},[5237,10789,10790],{"class":5255},"server",[5237,10792,5300],{"class":5251},[5237,10794,10447],{"class":5247},[5237,10796,5252],{"class":5251},[5237,10798,10452],{"class":5290},[5237,10800,10455],{"class":5251},[5237,10802,5708],{"class":5243},[5237,10804,5272],{"class":5251},[5237,10806,10807,10809,10811,10813,10815,10818,10820,10822,10824,10826],{"class":5239,"line":5490},[5237,10808,5522],{"class":5255},[5237,10810,5300],{"class":5251},[5237,10812,5527],{"class":5247},[5237,10814,5252],{"class":5251},[5237,10816,10817],{"class":5371},"`✓ Сервер запущено на порту ",[5237,10819,6454],{"class":5243},[5237,10821,10452],{"class":5290},[5237,10823,6459],{"class":5243},[5237,10825,10481],{"class":5371},[5237,10827,5375],{"class":5251},[5237,10829,10830],{"class":5239,"line":5498},[5237,10831,6307],{"class":5251},[5237,10833,10834],{"class":5239,"line":5519},[5237,10835,5481],{"emptyLinePlaceholder":5480},[5237,10837,10838],{"class":5239,"line":5542},[5237,10839,10840],{"class":5313},"\u002F\u002F Функція коректного завершення\n",[5237,10842,10843,10845,10847,10850,10852,10855,10857,10859,10861,10863,10865,10867],{"class":5239,"line":5556},[5237,10844,5160],{"class":5243},[5237,10846,7751],{"class":5243},[5237,10848,10849],{"class":5247}," gracefulShutdown",[5237,10851,5252],{"class":5251},[5237,10853,10854],{"class":5255},"signal",[5237,10856,5259],{"class":5251},[5237,10858,5263],{"class":5262},[5237,10860,5266],{"class":5251},[5237,10862,7231],{"class":5262},[5237,10864,7234],{"class":5251},[5237,10866,6435],{"class":5262},[5237,10868,7239],{"class":5251},[5237,10870,10871,10873,10875,10877,10879,10881,10885,10888,10890,10892,10894,10897],{"class":5239,"line":5584},[5237,10872,5522],{"class":5255},[5237,10874,5300],{"class":5251},[5237,10876,5527],{"class":5247},[5237,10878,5252],{"class":5251},[5237,10880,10481],{"class":5371},[5237,10882,10884],{"class":10883},"sjcCO","\\n",[5237,10886,10887],{"class":5371},"🛑 Отримано сигнал ",[5237,10889,6454],{"class":5243},[5237,10891,10854],{"class":5255},[5237,10893,6459],{"class":5243},[5237,10895,10896],{"class":5371},", ініціюємо graceful shutdown...`",[5237,10898,5375],{"class":5251},[5237,10900,10901],{"class":5239,"line":5603},[5237,10902,6181],{"class":5251},[5237,10904,10905],{"class":5239,"line":5963},[5237,10906,10907],{"class":5313},"  \u002F\u002F Крок 1: Зупиняємо прийом нових підключень\n",[5237,10909,10910,10913,10915,10917,10919,10921,10923,10925],{"class":5239,"line":5969},[5237,10911,10912],{"class":5255},"  server",[5237,10914,5300],{"class":5251},[5237,10916,10508],{"class":5247},[5237,10918,7277],{"class":5251},[5237,10920,5698],{"class":5255},[5237,10922,5705],{"class":5251},[5237,10924,5708],{"class":5243},[5237,10926,5272],{"class":5251},[5237,10928,10929,10931,10933,10935],{"class":5239,"line":5975},[5237,10930,5326],{"class":5278},[5237,10932,5409],{"class":5251},[5237,10934,5698],{"class":5255},[5237,10936,5354],{"class":5251},[5237,10938,10939,10941,10943,10945,10947,10950,10952,10954,10956,10958],{"class":5239,"line":5980},[5237,10940,7551],{"class":5255},[5237,10942,5300],{"class":5251},[5237,10944,5412],{"class":5247},[5237,10946,5252],{"class":5251},[5237,10948,10949],{"class":5371},"'❌ Помилка закриття HTTP-сервера:'",[5237,10951,5105],{"class":5251},[5237,10953,5698],{"class":5255},[5237,10955,5300],{"class":5251},[5237,10957,5445],{"class":5255},[5237,10959,5375],{"class":5251},[5237,10961,10962,10964,10967],{"class":5239,"line":5986},[5237,10963,6561],{"class":5251},[5237,10965,10966],{"class":5278},"else",[5237,10968,5272],{"class":5251},[5237,10970,10971,10973,10975,10977,10979,10982],{"class":5239,"line":5992},[5237,10972,7551],{"class":5255},[5237,10974,5300],{"class":5251},[5237,10976,5527],{"class":5247},[5237,10978,5252],{"class":5251},[5237,10980,10981],{"class":5371},"'✓ HTTP-сервер закрито'",[5237,10983,5375],{"class":5251},[5237,10985,10986],{"class":5239,"line":5997},[5237,10987,5381],{"class":5251},[5237,10989,10990],{"class":5239,"line":6003},[5237,10991,5760],{"class":5251},[5237,10993,10994],{"class":5239,"line":6771},[5237,10995,6181],{"class":5251},[5237,10997,10998],{"class":5239,"line":6786},[5237,10999,11000],{"class":5313},"  \u002F\u002F Крок 2: Закриваємо підключення до бази даних\n",[5237,11002,11003,11005],{"class":5239,"line":6801},[5237,11004,5279],{"class":5278},[5237,11006,5272],{"class":5251},[5237,11008,11009,11011,11013,11015,11017],{"class":5239,"line":6816},[5237,11010,7957],{"class":5278},[5237,11012,10731],{"class":5255},[5237,11014,5300],{"class":5251},[5237,11016,10704],{"class":5247},[5237,11018,8194],{"class":5251},[5237,11020,11021,11023,11025,11027,11029,11032],{"class":5239,"line":6853},[5237,11022,5420],{"class":5255},[5237,11024,5300],{"class":5251},[5237,11026,5527],{"class":5247},[5237,11028,5252],{"class":5251},[5237,11030,11031],{"class":5371},"'✓ Пул підключень до БД закрито'",[5237,11033,5375],{"class":5251},[5237,11035,11036,11038,11040,11042,11044],{"class":5239,"line":6859},[5237,11037,5403],{"class":5251},[5237,11039,5406],{"class":5278},[5237,11041,5409],{"class":5251},[5237,11043,5412],{"class":5255},[5237,11045,5354],{"class":5251},[5237,11047,11048,11050,11052,11054,11056,11059,11061,11063,11065,11067,11069,11071],{"class":5239,"line":6864},[5237,11049,5420],{"class":5255},[5237,11051,5300],{"class":5251},[5237,11053,5412],{"class":5247},[5237,11055,5252],{"class":5251},[5237,11057,11058],{"class":5371},"'❌ Помилка закриття пулу БД:'",[5237,11060,5432],{"class":5251},[5237,11062,5412],{"class":5255},[5237,11064,5437],{"class":5278},[5237,11066,5366],{"class":5262},[5237,11068,5442],{"class":5251},[5237,11070,5445],{"class":5255},[5237,11072,5375],{"class":5251},[5237,11074,11075],{"class":5239,"line":6870},[5237,11076,5468],{"class":5251},[5237,11078,11079],{"class":5239,"line":6915},[5237,11080,6181],{"class":5251},[5237,11082,11083],{"class":5239,"line":6927},[5237,11084,11085],{"class":5313},"  \u002F\u002F Крок 3: Очікуємо завершення всіх активних запитів (max 10 секунд)\n",[5237,11087,11088,11090,11093,11095,11097,11099,11101],{"class":5239,"line":6941},[5237,11089,5501],{"class":5243},[5237,11091,11092],{"class":5290}," shutdownTimeout",[5237,11094,5294],{"class":5251},[5237,11096,9212],{"class":5247},[5237,11098,7500],{"class":5251},[5237,11100,5708],{"class":5243},[5237,11102,5272],{"class":5251},[5237,11104,11105,11107,11109,11111,11113,11116],{"class":5239,"line":6947},[5237,11106,5420],{"class":5255},[5237,11108,5300],{"class":5251},[5237,11110,5412],{"class":5247},[5237,11112,5252],{"class":5251},[5237,11114,11115],{"class":5371},"'⚠️  Таймаут graceful shutdown, примусове завершення'",[5237,11117,5375],{"class":5251},[5237,11119,11120,11122,11124,11126,11128,11130],{"class":5239,"line":6953},[5237,11121,7067],{"class":5255},[5237,11123,5300],{"class":5251},[5237,11125,5592],{"class":5247},[5237,11127,5252],{"class":5251},[5237,11129,5598],{"class":5597},[5237,11131,5375],{"class":5251},[5237,11133,11134,11136,11139],{"class":5239,"line":6972},[5237,11135,10019],{"class":5251},[5237,11137,11138],{"class":5597},"10000",[5237,11140,5375],{"class":5251},[5237,11142,11143],{"class":5239,"line":6978},[5237,11144,6181],{"class":5251},[5237,11146,11147],{"class":5239,"line":6984},[5237,11148,11149],{"class":5313},"  \u002F\u002F Крок 4: Успішне завершення\n",[5237,11151,11152,11155,11157,11160],{"class":5239,"line":6989},[5237,11153,11154],{"class":5247},"  clearTimeout",[5237,11156,5252],{"class":5251},[5237,11158,11159],{"class":5255},"shutdownTimeout",[5237,11161,5375],{"class":5251},[5237,11163,11164,11166,11168,11170,11172,11175],{"class":5239,"line":6994},[5237,11165,5522],{"class":5255},[5237,11167,5300],{"class":5251},[5237,11169,5527],{"class":5247},[5237,11171,5252],{"class":5251},[5237,11173,11174],{"class":5371},"'✓ Graceful shutdown завершено'",[5237,11176,5375],{"class":5251},[5237,11178,11179,11181,11183,11185,11187,11190],{"class":5239,"line":6999},[5237,11180,5587],{"class":5255},[5237,11182,5300],{"class":5251},[5237,11184,5592],{"class":5247},[5237,11186,5252],{"class":5251},[5237,11188,11189],{"class":5597},"0",[5237,11191,5375],{"class":5251},[5237,11193,11194],{"class":5239,"line":7004},[5237,11195,5474],{"class":5251},[5237,11197,11198],{"class":5239,"line":7029},[5237,11199,5481],{"emptyLinePlaceholder":5480},[5237,11201,11202],{"class":5239,"line":7040},[5237,11203,11204],{"class":5313},"\u002F\u002F Реєстрація обробників сигналів\n",[5237,11206,11207,11209,11211,11213,11215,11218,11220,11222,11224,11226,11228],{"class":5239,"line":7064},[5237,11208,9058],{"class":5255},[5237,11210,5300],{"class":5251},[5237,11212,9063],{"class":5247},[5237,11214,5252],{"class":5251},[5237,11216,11217],{"class":5371},"'SIGTERM'",[5237,11219,10455],{"class":5251},[5237,11221,5708],{"class":5243},[5237,11223,10849],{"class":5247},[5237,11225,5252],{"class":5251},[5237,11227,11217],{"class":5371},[5237,11229,7986],{"class":5251},[5237,11231,11232,11234,11236,11238,11240,11243,11245,11247,11249,11251,11253],{"class":5239,"line":7080},[5237,11233,9058],{"class":5255},[5237,11235,5300],{"class":5251},[5237,11237,9063],{"class":5247},[5237,11239,5252],{"class":5251},[5237,11241,11242],{"class":5371},"'SIGINT'",[5237,11244,10455],{"class":5251},[5237,11246,5708],{"class":5243},[5237,11248,10849],{"class":5247},[5237,11250,5252],{"class":5251},[5237,11252,11242],{"class":5371},[5237,11254,7986],{"class":5251},[5237,11256,11257],{"class":5239,"line":7087},[5237,11258,5481],{"emptyLinePlaceholder":5480},[5237,11260,11261],{"class":5239,"line":7092},[5237,11262,11263],{"class":5313},"\u002F\u002F Обробник для необроблених помилок\n",[5237,11265,11266,11268,11270,11272,11274,11276,11278,11280,11282,11284,11286,11288],{"class":5239,"line":7097},[5237,11267,9058],{"class":5255},[5237,11269,5300],{"class":5251},[5237,11271,9063],{"class":5247},[5237,11273,5252],{"class":5251},[5237,11275,9068],{"class":5371},[5237,11277,5432],{"class":5251},[5237,11279,5412],{"class":5255},[5237,11281,5259],{"class":5251},[5237,11283,6408],{"class":5262},[5237,11285,5705],{"class":5251},[5237,11287,5708],{"class":5243},[5237,11289,5272],{"class":5251},[5237,11291,11292,11294,11296,11298,11300,11303,11305,11307,11309,11311],{"class":5239,"line":7117},[5237,11293,5522],{"class":5255},[5237,11295,5300],{"class":5251},[5237,11297,5412],{"class":5247},[5237,11299,5252],{"class":5251},[5237,11301,11302],{"class":5371},"'🚨 Uncaught Exception:'",[5237,11304,5105],{"class":5251},[5237,11306,5412],{"class":5255},[5237,11308,5300],{"class":5251},[5237,11310,5445],{"class":5255},[5237,11312,5375],{"class":5251},[5237,11314,11315,11317,11319,11321,11323,11325,11327,11329],{"class":5239,"line":8893},[5237,11316,5522],{"class":5255},[5237,11318,5300],{"class":5251},[5237,11320,5412],{"class":5247},[5237,11322,5252],{"class":5251},[5237,11324,5412],{"class":5255},[5237,11326,5300],{"class":5251},[5237,11328,9150],{"class":5255},[5237,11330,5375],{"class":5251},[5237,11332,11333,11336,11338,11340],{"class":5239,"line":8898},[5237,11334,11335],{"class":5247},"  gracefulShutdown",[5237,11337,5252],{"class":5251},[5237,11339,9068],{"class":5371},[5237,11341,5375],{"class":5251},[5237,11343,11344],{"class":5239,"line":8903},[5237,11345,6307],{"class":5251},[5237,11347,11348],{"class":5239,"line":8938},[5237,11349,5481],{"emptyLinePlaceholder":5480},[5237,11351,11352,11354,11356,11358,11360,11362,11364,11366,11368,11370,11372,11374],{"class":5239,"line":8962},[5237,11353,9058],{"class":5255},[5237,11355,5300],{"class":5251},[5237,11357,9063],{"class":5247},[5237,11359,5252],{"class":5251},[5237,11361,9405],{"class":5371},[5237,11363,5432],{"class":5251},[5237,11365,9410],{"class":5255},[5237,11367,5259],{"class":5251},[5237,11369,5269],{"class":5262},[5237,11371,5705],{"class":5251},[5237,11373,5708],{"class":5243},[5237,11375,5272],{"class":5251},[5237,11377,11378,11380,11382,11384,11386,11389,11391,11393],{"class":5239,"line":8996},[5237,11379,5522],{"class":5255},[5237,11381,5300],{"class":5251},[5237,11383,5412],{"class":5247},[5237,11385,5252],{"class":5251},[5237,11387,11388],{"class":5371},"'🚨 Unhandled Rejection:'",[5237,11390,5105],{"class":5251},[5237,11392,9410],{"class":5255},[5237,11394,5375],{"class":5251},[5237,11396,11397,11399,11401,11403],{"class":5239,"line":10486},[5237,11398,11335],{"class":5247},[5237,11400,5252],{"class":5251},[5237,11402,9405],{"class":5371},[5237,11404,5375],{"class":5251},[5237,11406,11408],{"class":5239,"line":11407},67,[5237,11409,6307],{"class":5251},[9265,11411,11413,11423,11432,11435,11442,11445,11454,11461,11468,11475,11478],{":cursor":9267,"title":11412},"Graceful Shutdown у дії",[9270,11414,11416,9278,11419],{"className":11415},[5239],[5237,11417,9277],{"className":11418},[9276],[5132,11420,11422],{"className":11421},[9282],"node server.ts",[9270,11424,11426,11431],{"className":11425},[5239],[5237,11427,11430],{"className":11428},[11429,9282],"text-green-400","✓"," Сервер запущено на порту 3000",[9270,11433],{"className":11434},[5239],[9270,11436,11438],{"className":11437},[5239],[5237,11439,11441],{"className":11440},[9319],"[Користувач натискає Ctrl+C]",[9270,11443],{"className":11444},[5239],[9270,11446,11448,11453],{"className":11447},[5239],[5237,11449,11452],{"className":11450},[11451,9282],"text-yellow-400","🛑"," Отримано сигнал SIGINT, ініціюємо graceful shutdown...",[9270,11455,11457,11460],{"className":11456},[5239],[5237,11458,11430],{"className":11459},[11429,9282]," HTTP-сервер закрито",[9270,11462,11464,11467],{"className":11463},[5239],[5237,11465,11430],{"className":11466},[11429,9282]," Пул підключень до БД закрито",[9270,11469,11471,11474],{"className":11470},[5239],[5237,11472,11430],{"className":11473},[11429,9282]," Graceful shutdown завершено",[9270,11476],{"className":11477},[5239],[9270,11479,11481,9278,11484],{"className":11480},[5239],[5237,11482,9345],{"className":11483},[9276],[5237,11485,11189],{"className":11486},[11429,9282],[5211,11488,11490],{"id":11489},"візуалізація-процесу-graceful-shutdown","Візуалізація процесу graceful shutdown",[5842,11492,11494],{"alt":11493},"Graceful Shutdown Flow",[5228,11495,11497],{"className":5847,"code":11496,"language":5849,"meta":5233,"style":5233},"@startuml\nskinparam style plain\nskinparam backgroundColor #FFFFFF\n\nstart\n\n:Отримано сигнал\u003Cbr\u002F>(SIGTERM \u002F SIGINT);\nnote right\n  Сигнал від ОС або оркестратора\nend note\n\n:Зупинити прийом\u003Cbr\u002F>нових підключень;\nnote right\n  server.close()\nend note\n\n:Дочекатися завершення\u003Cbr\u002F>активних запитів;\nnote right\n  Поточні клієнти отримають відповідь\nend note\n\nfork\n  :Закрити підключення до БД;\n  note right: pool.end()\nfork again\n  :Очистити черги;\n  note right: Redis, RabbitMQ\nfork again\n  :Закрити WebSocket з'єднання;\n  note right: ws.close()\nend fork\n\n:Записати буферизовані логи;\n\nif (Таймаут 10 сек?) then (так)\n  :Примусове завершення;\n  note right #FECACA\n    process.exit(1)\n    Не всі ресурси закриті\n  end note\n  stop\nelse (ні)\n  :Успішне завершення;\n  note right #DCFCE7\n    process.exit(0)\n    Всі ресурси звільнені\n  end note\n  stop\nendif\n\n@enduml\n",[5102,11498,11499,11503,11507,11511,11515,11520,11524,11529,11534,11539,11544,11548,11553,11557,11562,11566,11570,11575,11579,11584,11588,11592,11597,11602,11607,11612,11617,11622,11626,11631,11636,11641,11645,11650,11654,11659,11664,11669,11674,11679,11684,11689,11694,11699,11704,11709,11714,11718,11722,11727,11731],{"__ignoreMap":5233},[5237,11500,11501],{"class":5239,"line":5240},[5237,11502,5856],{},[5237,11504,11505],{"class":5239,"line":5275},[5237,11506,5861],{},[5237,11508,11509],{"class":5239,"line":5284},[5237,11510,5866],{},[5237,11512,11513],{"class":5239,"line":5317},[5237,11514,5481],{"emptyLinePlaceholder":5480},[5237,11516,11517],{"class":5239,"line":5323},[5237,11518,11519],{},"start\n",[5237,11521,11522],{"class":5239,"line":5357},[5237,11523,5481],{"emptyLinePlaceholder":5480},[5237,11525,11526],{"class":5239,"line":5378},[5237,11527,11528],{},":Отримано сигнал\u003Cbr\u002F>(SIGTERM \u002F SIGINT);\n",[5237,11530,11531],{"class":5239,"line":5384},[5237,11532,11533],{},"note right\n",[5237,11535,11536],{"class":5239,"line":5389},[5237,11537,11538],{},"  Сигнал від ОС або оркестратора\n",[5237,11540,11541],{"class":5239,"line":5400},[5237,11542,11543],{},"end note\n",[5237,11545,11546],{"class":5239,"line":5417},[5237,11547,5481],{"emptyLinePlaceholder":5480},[5237,11549,11550],{"class":5239,"line":5450},[5237,11551,11552],{},":Зупинити прийом\u003Cbr\u002F>нових підключень;\n",[5237,11554,11555],{"class":5239,"line":5465},[5237,11556,11533],{},[5237,11558,11559],{"class":5239,"line":5471},[5237,11560,11561],{},"  server.close()\n",[5237,11563,11564],{"class":5239,"line":5477},[5237,11565,11543],{},[5237,11567,11568],{"class":5239,"line":5484},[5237,11569,5481],{"emptyLinePlaceholder":5480},[5237,11571,11572],{"class":5239,"line":5490},[5237,11573,11574],{},":Дочекатися завершення\u003Cbr\u002F>активних запитів;\n",[5237,11576,11577],{"class":5239,"line":5498},[5237,11578,11533],{},[5237,11580,11581],{"class":5239,"line":5519},[5237,11582,11583],{},"  Поточні клієнти отримають відповідь\n",[5237,11585,11586],{"class":5239,"line":5542},[5237,11587,11543],{},[5237,11589,11590],{"class":5239,"line":5556},[5237,11591,5481],{"emptyLinePlaceholder":5480},[5237,11593,11594],{"class":5239,"line":5584},[5237,11595,11596],{},"fork\n",[5237,11598,11599],{"class":5239,"line":5603},[5237,11600,11601],{},"  :Закрити підключення до БД;\n",[5237,11603,11604],{"class":5239,"line":5963},[5237,11605,11606],{},"  note right: pool.end()\n",[5237,11608,11609],{"class":5239,"line":5969},[5237,11610,11611],{},"fork again\n",[5237,11613,11614],{"class":5239,"line":5975},[5237,11615,11616],{},"  :Очистити черги;\n",[5237,11618,11619],{"class":5239,"line":5980},[5237,11620,11621],{},"  note right: Redis, RabbitMQ\n",[5237,11623,11624],{"class":5239,"line":5986},[5237,11625,11611],{},[5237,11627,11628],{"class":5239,"line":5992},[5237,11629,11630],{},"  :Закрити WebSocket з'єднання;\n",[5237,11632,11633],{"class":5239,"line":5997},[5237,11634,11635],{},"  note right: ws.close()\n",[5237,11637,11638],{"class":5239,"line":6003},[5237,11639,11640],{},"end fork\n",[5237,11642,11643],{"class":5239,"line":6771},[5237,11644,5481],{"emptyLinePlaceholder":5480},[5237,11646,11647],{"class":5239,"line":6786},[5237,11648,11649],{},":Записати буферизовані логи;\n",[5237,11651,11652],{"class":5239,"line":6801},[5237,11653,5481],{"emptyLinePlaceholder":5480},[5237,11655,11656],{"class":5239,"line":6816},[5237,11657,11658],{},"if (Таймаут 10 сек?) then (так)\n",[5237,11660,11661],{"class":5239,"line":6853},[5237,11662,11663],{},"  :Примусове завершення;\n",[5237,11665,11666],{"class":5239,"line":6859},[5237,11667,11668],{},"  note right #FECACA\n",[5237,11670,11671],{"class":5239,"line":6864},[5237,11672,11673],{},"    process.exit(1)\n",[5237,11675,11676],{"class":5239,"line":6870},[5237,11677,11678],{},"    Не всі ресурси закриті\n",[5237,11680,11681],{"class":5239,"line":6915},[5237,11682,11683],{},"  end note\n",[5237,11685,11686],{"class":5239,"line":6927},[5237,11687,11688],{},"  stop\n",[5237,11690,11691],{"class":5239,"line":6941},[5237,11692,11693],{},"else (ні)\n",[5237,11695,11696],{"class":5239,"line":6947},[5237,11697,11698],{},"  :Успішне завершення;\n",[5237,11700,11701],{"class":5239,"line":6953},[5237,11702,11703],{},"  note right #DCFCE7\n",[5237,11705,11706],{"class":5239,"line":6972},[5237,11707,11708],{},"    process.exit(0)\n",[5237,11710,11711],{"class":5239,"line":6978},[5237,11712,11713],{},"    Всі ресурси звільнені\n",[5237,11715,11716],{"class":5239,"line":6984},[5237,11717,11683],{},[5237,11719,11720],{"class":5239,"line":6989},[5237,11721,11688],{},[5237,11723,11724],{"class":5239,"line":6994},[5237,11725,11726],{},"endif\n",[5237,11728,11729],{"class":5239,"line":6999},[5237,11730,5481],{"emptyLinePlaceholder":5480},[5237,11732,11733],{"class":5239,"line":7004},[5237,11734,6006],{},[8204,11736,11737,11740,11741,11744,11745,11747],{},[5132,11738,11739],{},"Kubernetes Best Practice:"," Налаштуйте ",[5102,11742,11743],{},"terminationGracePeriodSeconds"," у Pod Spec (типово 30 секунд) відповідно до максимального часу завершення ваших запитів. Якщо застосунок не завершиться протягом цього періоду, Kubernetes надішле ",[5102,11746,10588],{},", що призведе до негайного завершення без очищення.",[5211,11749,11751],{"id":11750},"приклад-з-express-та-postgresql","Приклад з Express та PostgreSQL",[5228,11753,11755],{"className":5230,"code":11754,"language":5232,"meta":5233,"style":5233},"import express from 'express';\nimport { Pool } from 'pg';\n\nconst app = express();\nconst pool = new Pool({ connectionString: process.env.DATABASE_URL });\n\napp.use(express.json());\n\n\u002F\u002F Middleware для відстеження активних запитів\nlet activeRequests = 0;\n\napp.use((req, res, next) => {\n  activeRequests++;\n  res.on('finish', () => {\n    activeRequests--;\n  });\n  next();\n});\n\napp.get('\u002Fusers\u002F:id', async (req, res) => {\n  try {\n    const { rows } = await pool.query('SELECT * FROM users WHERE id = $1', [req.params.id]);\n    res.json(rows[0] || null);\n  } catch (error) {\n    console.error('Помилка запиту:', (error as Error).message);\n    res.status(500).json({ error: 'Internal Server Error' });\n  }\n});\n\nconst server = app.listen(3000, () => {\n  console.log('Сервер запущено на порту 3000');\n});\n\n\u002F\u002F Graceful shutdown з очікуванням завершення активних запитів\nasync function gracefulShutdown(signal: string): Promise\u003Cvoid> {\n  console.log(`\\nОтримано ${signal}, ініціюємо graceful shutdown...`);\n  \n  \u002F\u002F Зупиняємо прийом нових запитів\n  server.close(() => {\n    console.log('HTTP-сервер закрито');\n  });\n  \n  \u002F\u002F Очікуємо завершення активних запитів (max 15 секунд)\n  const maxWait = 15000;\n  const checkInterval = 100;\n  let waited = 0;\n  \n  while (activeRequests > 0 && waited \u003C maxWait) {\n    console.log(`Очікуємо завершення ${activeRequests} активних запитів...`);\n    await new Promise((resolve) => setTimeout(resolve, checkInterval));\n    waited += checkInterval;\n  }\n  \n  if (activeRequests > 0) {\n    console.warn(`⚠️  Залишилося ${activeRequests} активних запитів, примусово завершуємо`);\n  }\n  \n  \u002F\u002F Закриваємо пул БД\n  await pool.end();\n  console.log('Пул підключень до БД закрито');\n  \n  console.log('Graceful shutdown завершено');\n  process.exit(0);\n}\n\nprocess.on('SIGTERM', () => gracefulShutdown('SIGTERM'));\nprocess.on('SIGINT', () => gracefulShutdown('SIGINT'));\n",[5102,11756,11757,11769,11785,11789,11801,11831,11835,11855,11859,11864,11878,11882,11909,11917,11936,11944,11948,11955,11959,11963,11994,12000,12042,12066,12078,12105,12133,12137,12141,12145,12169,12184,12188,12192,12197,12223,12250,12254,12259,12273,12288,12292,12296,12301,12315,12329,12343,12347,12374,12398,12430,12442,12446,12450,12464,12488,12492,12496,12501,12513,12528,12532,12547,12561,12565,12569,12593],{"__ignoreMap":5233},[5237,11758,11759,11761,11763,11765,11767],{"class":5239,"line":5240},[5237,11760,5646],{"class":5278},[5237,11762,10250],{"class":5255},[5237,11764,10253],{"class":5278},[5237,11766,10256],{"class":5371},[5237,11768,5397],{"class":5251},[5237,11770,11771,11773,11775,11777,11779,11781,11783],{"class":5239,"line":5275},[5237,11772,5646],{"class":5278},[5237,11774,5649],{"class":5251},[5237,11776,10630],{"class":5255},[5237,11778,5655],{"class":5251},[5237,11780,5658],{"class":5278},[5237,11782,10637],{"class":5371},[5237,11784,5397],{"class":5251},[5237,11786,11787],{"class":5239,"line":5284},[5237,11788,5481],{"emptyLinePlaceholder":5480},[5237,11790,11791,11793,11795,11797,11799],{"class":5239,"line":5317},[5237,11792,9725],{"class":5243},[5237,11794,10269],{"class":5290},[5237,11796,5294],{"class":5251},[5237,11798,10274],{"class":5247},[5237,11800,8194],{"class":5251},[5237,11802,11803,11805,11807,11809,11811,11813,11815,11818,11820,11822,11824,11826,11828],{"class":5239,"line":5323},[5237,11804,9725],{"class":5243},[5237,11806,10731],{"class":5290},[5237,11808,5294],{"class":5251},[5237,11810,10390],{"class":5243},[5237,11812,10738],{"class":5247},[5237,11814,9786],{"class":5251},[5237,11816,11817],{"class":5255},"connectionString:",[5237,11819,10748],{"class":5255},[5237,11821,5300],{"class":5251},[5237,11823,10753],{"class":5255},[5237,11825,5300],{"class":5251},[5237,11827,10758],{"class":5290},[5237,11829,11830],{"class":5251}," });\n",[5237,11832,11833],{"class":5239,"line":5357},[5237,11834,5481],{"emptyLinePlaceholder":5480},[5237,11836,11837,11839,11841,11844,11846,11848,11850,11852],{"class":5239,"line":5378},[5237,11838,10285],{"class":5255},[5237,11840,5300],{"class":5251},[5237,11842,11843],{"class":5247},"use",[5237,11845,5252],{"class":5251},[5237,11847,10274],{"class":5255},[5237,11849,5300],{"class":5251},[5237,11851,9804],{"class":5247},[5237,11853,11854],{"class":5251},"());\n",[5237,11856,11857],{"class":5239,"line":5384},[5237,11858,5481],{"emptyLinePlaceholder":5480},[5237,11860,11861],{"class":5239,"line":5389},[5237,11862,11863],{"class":5313},"\u002F\u002F Middleware для відстеження активних запитів\n",[5237,11865,11866,11869,11872,11874,11876],{"class":5239,"line":5400},[5237,11867,11868],{"class":5243},"let",[5237,11870,11871],{"class":5255}," activeRequests",[5237,11873,5294],{"class":5251},[5237,11875,11189],{"class":5597},[5237,11877,5397],{"class":5251},[5237,11879,11880],{"class":5239,"line":5417},[5237,11881,5481],{"emptyLinePlaceholder":5480},[5237,11883,11884,11886,11888,11890,11892,11894,11896,11898,11900,11903,11905,11907],{"class":5239,"line":5450},[5237,11885,10285],{"class":5255},[5237,11887,5300],{"class":5251},[5237,11889,11843],{"class":5247},[5237,11891,7277],{"class":5251},[5237,11893,10300],{"class":5255},[5237,11895,5105],{"class":5251},[5237,11897,10305],{"class":5255},[5237,11899,5105],{"class":5251},[5237,11901,11902],{"class":5255},"next",[5237,11904,5705],{"class":5251},[5237,11906,5708],{"class":5243},[5237,11908,5272],{"class":5251},[5237,11910,11911,11914],{"class":5239,"line":5465},[5237,11912,11913],{"class":5255},"  activeRequests",[5237,11915,11916],{"class":5251},"++;\n",[5237,11918,11919,11921,11923,11925,11927,11930,11932,11934],{"class":5239,"line":5471},[5237,11920,10404],{"class":5255},[5237,11922,5300],{"class":5251},[5237,11924,9063],{"class":5247},[5237,11926,5252],{"class":5251},[5237,11928,11929],{"class":5371},"'finish'",[5237,11931,10455],{"class":5251},[5237,11933,5708],{"class":5243},[5237,11935,5272],{"class":5251},[5237,11937,11938,11941],{"class":5239,"line":5477},[5237,11939,11940],{"class":5255},"    activeRequests",[5237,11942,11943],{"class":5251},"--;\n",[5237,11945,11946],{"class":5239,"line":5484},[5237,11947,5760],{"class":5251},[5237,11949,11950,11953],{"class":5239,"line":5490},[5237,11951,11952],{"class":5247},"  next",[5237,11954,8194],{"class":5251},[5237,11956,11957],{"class":5239,"line":5498},[5237,11958,6307],{"class":5251},[5237,11960,11961],{"class":5239,"line":5519},[5237,11962,5481],{"emptyLinePlaceholder":5480},[5237,11964,11965,11967,11969,11971,11973,11976,11978,11980,11982,11984,11986,11988,11990,11992],{"class":5239,"line":5542},[5237,11966,10285],{"class":5255},[5237,11968,5300],{"class":5251},[5237,11970,10290],{"class":5247},[5237,11972,5252],{"class":5251},[5237,11974,11975],{"class":5371},"'\u002Fusers\u002F:id'",[5237,11977,5105],{"class":5251},[5237,11979,5160],{"class":5243},[5237,11981,5409],{"class":5251},[5237,11983,10300],{"class":5255},[5237,11985,5105],{"class":5251},[5237,11987,10305],{"class":5255},[5237,11989,5705],{"class":5251},[5237,11991,5708],{"class":5243},[5237,11993,5272],{"class":5251},[5237,11995,11996,11998],{"class":5239,"line":5556},[5237,11997,5279],{"class":5278},[5237,11999,5272],{"class":5251},[5237,12001,12002,12004,12006,12009,12011,12013,12015,12017,12020,12022,12025,12028,12030,12032,12035,12037,12039],{"class":5239,"line":5584},[5237,12003,5287],{"class":5243},[5237,12005,5649],{"class":5251},[5237,12007,12008],{"class":5290},"rows",[5237,12010,8947],{"class":5251},[5237,12012,6016],{"class":5278},[5237,12014,10731],{"class":5255},[5237,12016,5300],{"class":5251},[5237,12018,12019],{"class":5247},"query",[5237,12021,5252],{"class":5251},[5237,12023,12024],{"class":5371},"'SELECT * FROM users WHERE id = $1'",[5237,12026,12027],{"class":5251},", [",[5237,12029,10300],{"class":5255},[5237,12031,5300],{"class":5251},[5237,12033,12034],{"class":5255},"params",[5237,12036,5300],{"class":5251},[5237,12038,5351],{"class":5255},[5237,12040,12041],{"class":5251},"]);\n",[5237,12043,12044,12047,12049,12051,12053,12055,12057,12059,12062,12064],{"class":5239,"line":5603},[5237,12045,12046],{"class":5255},"    res",[5237,12048,5300],{"class":5251},[5237,12050,9804],{"class":5247},[5237,12052,5252],{"class":5251},[5237,12054,12008],{"class":5255},[5237,12056,6824],{"class":5251},[5237,12058,11189],{"class":5597},[5237,12060,12061],{"class":5251},"] || ",[5237,12063,6049],{"class":5243},[5237,12065,5375],{"class":5251},[5237,12067,12068,12070,12072,12074,12076],{"class":5239,"line":5963},[5237,12069,5403],{"class":5251},[5237,12071,5406],{"class":5278},[5237,12073,5409],{"class":5251},[5237,12075,5412],{"class":5255},[5237,12077,5354],{"class":5251},[5237,12079,12080,12082,12084,12086,12088,12091,12093,12095,12097,12099,12101,12103],{"class":5239,"line":5969},[5237,12081,5420],{"class":5255},[5237,12083,5300],{"class":5251},[5237,12085,5412],{"class":5247},[5237,12087,5252],{"class":5251},[5237,12089,12090],{"class":5371},"'Помилка запиту:'",[5237,12092,5432],{"class":5251},[5237,12094,5412],{"class":5255},[5237,12096,5437],{"class":5278},[5237,12098,5366],{"class":5262},[5237,12100,5442],{"class":5251},[5237,12102,5445],{"class":5255},[5237,12104,5375],{"class":5251},[5237,12106,12107,12109,12111,12114,12116,12119,12121,12123,12125,12128,12131],{"class":5239,"line":5975},[5237,12108,12046],{"class":5255},[5237,12110,5300],{"class":5251},[5237,12112,12113],{"class":5247},"status",[5237,12115,5252],{"class":5251},[5237,12117,12118],{"class":5597},"500",[5237,12120,5442],{"class":5251},[5237,12122,9804],{"class":5247},[5237,12124,9786],{"class":5251},[5237,12126,12127],{"class":5255},"error:",[5237,12129,12130],{"class":5371}," 'Internal Server Error'",[5237,12132,11830],{"class":5251},[5237,12134,12135],{"class":5239,"line":5980},[5237,12136,5468],{"class":5251},[5237,12138,12139],{"class":5239,"line":5986},[5237,12140,6307],{"class":5251},[5237,12142,12143],{"class":5239,"line":5992},[5237,12144,5481],{"emptyLinePlaceholder":5480},[5237,12146,12147,12149,12151,12153,12155,12157,12159,12161,12163,12165,12167],{"class":5239,"line":5997},[5237,12148,9725],{"class":5243},[5237,12150,10655],{"class":5290},[5237,12152,5294],{"class":5251},[5237,12154,10285],{"class":5255},[5237,12156,5300],{"class":5251},[5237,12158,10447],{"class":5247},[5237,12160,5252],{"class":5251},[5237,12162,10436],{"class":5597},[5237,12164,10455],{"class":5251},[5237,12166,5708],{"class":5243},[5237,12168,5272],{"class":5251},[5237,12170,12171,12173,12175,12177,12179,12182],{"class":5239,"line":6003},[5237,12172,5522],{"class":5255},[5237,12174,5300],{"class":5251},[5237,12176,5527],{"class":5247},[5237,12178,5252],{"class":5251},[5237,12180,12181],{"class":5371},"'Сервер запущено на порту 3000'",[5237,12183,5375],{"class":5251},[5237,12185,12186],{"class":5239,"line":6771},[5237,12187,6307],{"class":5251},[5237,12189,12190],{"class":5239,"line":6786},[5237,12191,5481],{"emptyLinePlaceholder":5480},[5237,12193,12194],{"class":5239,"line":6801},[5237,12195,12196],{"class":5313},"\u002F\u002F Graceful shutdown з очікуванням завершення активних запитів\n",[5237,12198,12199,12201,12203,12205,12207,12209,12211,12213,12215,12217,12219,12221],{"class":5239,"line":6816},[5237,12200,5160],{"class":5243},[5237,12202,7751],{"class":5243},[5237,12204,10849],{"class":5247},[5237,12206,5252],{"class":5251},[5237,12208,10854],{"class":5255},[5237,12210,5259],{"class":5251},[5237,12212,5263],{"class":5262},[5237,12214,5266],{"class":5251},[5237,12216,7231],{"class":5262},[5237,12218,7234],{"class":5251},[5237,12220,6435],{"class":5262},[5237,12222,7239],{"class":5251},[5237,12224,12225,12227,12229,12231,12233,12235,12237,12240,12242,12244,12246,12248],{"class":5239,"line":6853},[5237,12226,5522],{"class":5255},[5237,12228,5300],{"class":5251},[5237,12230,5527],{"class":5247},[5237,12232,5252],{"class":5251},[5237,12234,10481],{"class":5371},[5237,12236,10884],{"class":10883},[5237,12238,12239],{"class":5371},"Отримано ",[5237,12241,6454],{"class":5243},[5237,12243,10854],{"class":5255},[5237,12245,6459],{"class":5243},[5237,12247,10896],{"class":5371},[5237,12249,5375],{"class":5251},[5237,12251,12252],{"class":5239,"line":6859},[5237,12253,6181],{"class":5251},[5237,12255,12256],{"class":5239,"line":6864},[5237,12257,12258],{"class":5313},"  \u002F\u002F Зупиняємо прийом нових запитів\n",[5237,12260,12261,12263,12265,12267,12269,12271],{"class":5239,"line":6870},[5237,12262,10912],{"class":5255},[5237,12264,5300],{"class":5251},[5237,12266,10508],{"class":5247},[5237,12268,7500],{"class":5251},[5237,12270,5708],{"class":5243},[5237,12272,5272],{"class":5251},[5237,12274,12275,12277,12279,12281,12283,12286],{"class":5239,"line":6915},[5237,12276,5420],{"class":5255},[5237,12278,5300],{"class":5251},[5237,12280,5527],{"class":5247},[5237,12282,5252],{"class":5251},[5237,12284,12285],{"class":5371},"'HTTP-сервер закрито'",[5237,12287,5375],{"class":5251},[5237,12289,12290],{"class":5239,"line":6927},[5237,12291,5760],{"class":5251},[5237,12293,12294],{"class":5239,"line":6941},[5237,12295,6181],{"class":5251},[5237,12297,12298],{"class":5239,"line":6947},[5237,12299,12300],{"class":5313},"  \u002F\u002F Очікуємо завершення активних запитів (max 15 секунд)\n",[5237,12302,12303,12305,12308,12310,12313],{"class":5239,"line":6953},[5237,12304,5501],{"class":5243},[5237,12306,12307],{"class":5290}," maxWait",[5237,12309,5294],{"class":5251},[5237,12311,12312],{"class":5597},"15000",[5237,12314,5397],{"class":5251},[5237,12316,12317,12319,12322,12324,12327],{"class":5239,"line":6972},[5237,12318,5501],{"class":5243},[5237,12320,12321],{"class":5290}," checkInterval",[5237,12323,5294],{"class":5251},[5237,12325,12326],{"class":5597},"100",[5237,12328,5397],{"class":5251},[5237,12330,12331,12334,12337,12339,12341],{"class":5239,"line":6978},[5237,12332,12333],{"class":5243},"  let",[5237,12335,12336],{"class":5255}," waited",[5237,12338,5294],{"class":5251},[5237,12340,11189],{"class":5597},[5237,12342,5397],{"class":5251},[5237,12344,12345],{"class":5239,"line":6984},[5237,12346,6181],{"class":5251},[5237,12348,12349,12352,12354,12357,12359,12361,12364,12367,12369,12372],{"class":5239,"line":6989},[5237,12350,12351],{"class":5278},"  while",[5237,12353,5409],{"class":5251},[5237,12355,12356],{"class":5255},"activeRequests",[5237,12358,8495],{"class":5251},[5237,12360,11189],{"class":5597},[5237,12362,12363],{"class":5251}," && ",[5237,12365,12366],{"class":5255},"waited",[5237,12368,8482],{"class":5251},[5237,12370,12371],{"class":5255},"maxWait",[5237,12373,5354],{"class":5251},[5237,12375,12376,12378,12380,12382,12384,12387,12389,12391,12393,12396],{"class":5239,"line":6994},[5237,12377,5420],{"class":5255},[5237,12379,5300],{"class":5251},[5237,12381,5527],{"class":5247},[5237,12383,5252],{"class":5251},[5237,12385,12386],{"class":5371},"`Очікуємо завершення ",[5237,12388,6454],{"class":5243},[5237,12390,12356],{"class":5255},[5237,12392,6459],{"class":5243},[5237,12394,12395],{"class":5371}," активних запитів...`",[5237,12397,5375],{"class":5251},[5237,12399,12400,12402,12404,12407,12409,12412,12414,12416,12419,12421,12423,12425,12428],{"class":5239,"line":6999},[5237,12401,7957],{"class":5278},[5237,12403,5363],{"class":5243},[5237,12405,12406],{"class":5262}," Promise",[5237,12408,7277],{"class":5251},[5237,12410,12411],{"class":5255},"resolve",[5237,12413,5705],{"class":5251},[5237,12415,5708],{"class":5243},[5237,12417,12418],{"class":5247}," setTimeout",[5237,12420,5252],{"class":5251},[5237,12422,12411],{"class":5255},[5237,12424,5105],{"class":5251},[5237,12426,12427],{"class":5255},"checkInterval",[5237,12429,7986],{"class":5251},[5237,12431,12432,12435,12438,12440],{"class":5239,"line":7004},[5237,12433,12434],{"class":5255},"    waited",[5237,12436,12437],{"class":5251}," += ",[5237,12439,12427],{"class":5255},[5237,12441,5397],{"class":5251},[5237,12443,12444],{"class":5239,"line":7029},[5237,12445,5468],{"class":5251},[5237,12447,12448],{"class":5239,"line":7040},[5237,12449,6181],{"class":5251},[5237,12451,12452,12454,12456,12458,12460,12462],{"class":5239,"line":7064},[5237,12453,6129],{"class":5278},[5237,12455,5409],{"class":5251},[5237,12457,12356],{"class":5255},[5237,12459,8495],{"class":5251},[5237,12461,11189],{"class":5597},[5237,12463,5354],{"class":5251},[5237,12465,12466,12468,12470,12472,12474,12477,12479,12481,12483,12486],{"class":5239,"line":7080},[5237,12467,5420],{"class":5255},[5237,12469,5300],{"class":5251},[5237,12471,8658],{"class":5247},[5237,12473,5252],{"class":5251},[5237,12475,12476],{"class":5371},"`⚠️  Залишилося ",[5237,12478,6454],{"class":5243},[5237,12480,12356],{"class":5255},[5237,12482,6459],{"class":5243},[5237,12484,12485],{"class":5371}," активних запитів, примусово завершуємо`",[5237,12487,5375],{"class":5251},[5237,12489,12490],{"class":5239,"line":7087},[5237,12491,5468],{"class":5251},[5237,12493,12494],{"class":5239,"line":7092},[5237,12495,6181],{"class":5251},[5237,12497,12498],{"class":5239,"line":7097},[5237,12499,12500],{"class":5313},"  \u002F\u002F Закриваємо пул БД\n",[5237,12502,12503,12505,12507,12509,12511],{"class":5239,"line":7117},[5237,12504,8965],{"class":5278},[5237,12506,10731],{"class":5255},[5237,12508,5300],{"class":5251},[5237,12510,10704],{"class":5247},[5237,12512,8194],{"class":5251},[5237,12514,12515,12517,12519,12521,12523,12526],{"class":5239,"line":8893},[5237,12516,5522],{"class":5255},[5237,12518,5300],{"class":5251},[5237,12520,5527],{"class":5247},[5237,12522,5252],{"class":5251},[5237,12524,12525],{"class":5371},"'Пул підключень до БД закрито'",[5237,12527,5375],{"class":5251},[5237,12529,12530],{"class":5239,"line":8898},[5237,12531,6181],{"class":5251},[5237,12533,12534,12536,12538,12540,12542,12545],{"class":5239,"line":8903},[5237,12535,5522],{"class":5255},[5237,12537,5300],{"class":5251},[5237,12539,5527],{"class":5247},[5237,12541,5252],{"class":5251},[5237,12543,12544],{"class":5371},"'Graceful shutdown завершено'",[5237,12546,5375],{"class":5251},[5237,12548,12549,12551,12553,12555,12557,12559],{"class":5239,"line":8938},[5237,12550,5587],{"class":5255},[5237,12552,5300],{"class":5251},[5237,12554,5592],{"class":5247},[5237,12556,5252],{"class":5251},[5237,12558,11189],{"class":5597},[5237,12560,5375],{"class":5251},[5237,12562,12563],{"class":5239,"line":8962},[5237,12564,5474],{"class":5251},[5237,12566,12567],{"class":5239,"line":8996},[5237,12568,5481],{"emptyLinePlaceholder":5480},[5237,12570,12571,12573,12575,12577,12579,12581,12583,12585,12587,12589,12591],{"class":5239,"line":10486},[5237,12572,9058],{"class":5255},[5237,12574,5300],{"class":5251},[5237,12576,9063],{"class":5247},[5237,12578,5252],{"class":5251},[5237,12580,11217],{"class":5371},[5237,12582,10455],{"class":5251},[5237,12584,5708],{"class":5243},[5237,12586,10849],{"class":5247},[5237,12588,5252],{"class":5251},[5237,12590,11217],{"class":5371},[5237,12592,7986],{"class":5251},[5237,12594,12595,12597,12599,12601,12603,12605,12607,12609,12611,12613,12615],{"class":5239,"line":11407},[5237,12596,9058],{"class":5255},[5237,12598,5300],{"class":5251},[5237,12600,9063],{"class":5247},[5237,12602,5252],{"class":5251},[5237,12604,11242],{"class":5371},[5237,12606,10455],{"class":5251},[5237,12608,5708],{"class":5243},[5237,12610,10849],{"class":5247},[5237,12612,5252],{"class":5251},[5237,12614,11242],{"class":5371},[5237,12616,7986],{"class":5251},[5203,12618,12619],{},"У цьому прикладі застосунок відстежує кількість активних запитів та очікує їх завершення перед закриттям сервера. Це гарантує, що всі клієнти отримають відповідь перед зупинкою процесу.",[5198,12621,12623],{"id":12622},"створення-власних-класів-помилок","Створення власних класів помилок",[5203,12625,12626,12627,12629,12630,5409,12633,12636],{},"Стандартний клас ",[5102,12628,6408],{}," у JavaScript є дуже загальним та не надає достатньо контексту для розрізнення типів помилок у великих застосунках. ",[5132,12631,12632],{},"Власні класи помилок",[5114,12634,12635],{},"custom error classes",") дозволяють створити семантичну ієрархію помилок, що значно покращує обробку та налагодження:",[5211,12638,12640],{"id":12639},"базовий-власний-клас-помилки","Базовий власний клас помилки",[5228,12642,12644],{"className":5230,"code":12643,"language":5232,"meta":5233,"style":5233},"class ApplicationError extends Error {\n  constructor(\n    message: string,\n    public readonly code: string,\n    public readonly statusCode: number = 500,\n    public readonly isOperational: boolean = true\n  ) {\n    super(message);\n    this.name = this.constructor.name;\n    \n    \u002F\u002F Зберігаємо правильний stack trace (лише у V8: Node.js, Chrome)\n    if (Error.captureStackTrace) {\n      Error.captureStackTrace(this, this.constructor);\n    }\n  }\n}\n\n\u002F\u002F Спеціалізовані класи помилок\nclass ValidationError extends ApplicationError {\n  constructor(message: string, public readonly field?: string) {\n    super(message, 'VALIDATION_ERROR', 400);\n  }\n}\n\nclass NotFoundError extends ApplicationError {\n  constructor(resource: string, id: string | number) {\n    super(`${resource} з ID ${id} не знайдено`, 'NOT_FOUND', 404);\n  }\n}\n\nclass UnauthorizedError extends ApplicationError {\n  constructor(message: string = 'Доступ заборонено') {\n    super(message, 'UNAUTHORIZED', 401);\n  }\n}\n\nclass DatabaseError extends ApplicationError {\n  constructor(message: string, public readonly query?: string) {\n    super(message, 'DATABASE_ERROR', 500);\n    this.isOperational = false; \u002F\u002F Помилка БД — не операційна, потрібен перезапуск\n  }\n}\n",[5102,12645,12646,12659,12665,12676,12693,12712,12731,12736,12746,12770,12774,12779,12794,12817,12821,12825,12829,12833,12838,12851,12879,12899,12903,12907,12911,12924,12951,12989,12993,12997,13001,13014,13033,13053,13057,13061,13065,13078,13105,13124,13142,13146],{"__ignoreMap":5233},[5237,12647,12648,12650,12653,12655,12657],{"class":5239,"line":5240},[5237,12649,8256],{"class":5243},[5237,12651,12652],{"class":5262}," ApplicationError",[5237,12654,8262],{"class":5243},[5237,12656,5366],{"class":5262},[5237,12658,5272],{"class":5251},[5237,12660,12661,12663],{"class":5239,"line":5275},[5237,12662,8271],{"class":5243},[5237,12664,9761],{"class":5251},[5237,12666,12667,12670,12672,12674],{"class":5239,"line":5284},[5237,12668,12669],{"class":5255},"    message",[5237,12671,5259],{"class":5251},[5237,12673,5263],{"class":5262},[5237,12675,6783],{"class":5251},[5237,12677,12678,12681,12684,12687,12689,12691],{"class":5239,"line":5317},[5237,12679,12680],{"class":5243},"    public",[5237,12682,12683],{"class":5243}," readonly",[5237,12685,12686],{"class":5255}," code",[5237,12688,5259],{"class":5251},[5237,12690,5263],{"class":5262},[5237,12692,6783],{"class":5251},[5237,12694,12695,12697,12699,12702,12704,12706,12708,12710],{"class":5239,"line":5323},[5237,12696,12680],{"class":5243},[5237,12698,12683],{"class":5243},[5237,12700,12701],{"class":5255}," statusCode",[5237,12703,5259],{"class":5251},[5237,12705,6393],{"class":5262},[5237,12707,5294],{"class":5251},[5237,12709,12118],{"class":5597},[5237,12711,6783],{"class":5251},[5237,12713,12714,12716,12718,12721,12723,12726,12728],{"class":5239,"line":5357},[5237,12715,12680],{"class":5243},[5237,12717,12683],{"class":5243},[5237,12719,12720],{"class":5255}," isOperational",[5237,12722,5259],{"class":5251},[5237,12724,12725],{"class":5262},"boolean",[5237,12727,5294],{"class":5251},[5237,12729,12730],{"class":5243},"true\n",[5237,12732,12733],{"class":5239,"line":5378},[5237,12734,12735],{"class":5251},"  ) {\n",[5237,12737,12738,12740,12742,12744],{"class":5239,"line":5384},[5237,12739,8286],{"class":5243},[5237,12741,5252],{"class":5251},[5237,12743,5445],{"class":5255},[5237,12745,5375],{"class":5251},[5237,12747,12748,12750,12752,12754,12756,12759,12761,12764,12766,12768],{"class":5239,"line":5389},[5237,12749,8297],{"class":5243},[5237,12751,5300],{"class":5251},[5237,12753,6257],{"class":5255},[5237,12755,5294],{"class":5251},[5237,12757,12758],{"class":5243},"this",[5237,12760,5300],{"class":5251},[5237,12762,12763],{"class":5255},"constructor",[5237,12765,5300],{"class":5251},[5237,12767,6257],{"class":5255},[5237,12769,5397],{"class":5251},[5237,12771,12772],{"class":5239,"line":5400},[5237,12773,5320],{"class":5251},[5237,12775,12776],{"class":5239,"line":5417},[5237,12777,12778],{"class":5313},"    \u002F\u002F Зберігаємо правильний stack trace (лише у V8: Node.js, Chrome)\n",[5237,12780,12781,12783,12785,12787,12789,12792],{"class":5239,"line":5450},[5237,12782,5326],{"class":5278},[5237,12784,5409],{"class":5251},[5237,12786,6408],{"class":5255},[5237,12788,5300],{"class":5251},[5237,12790,12791],{"class":5255},"captureStackTrace",[5237,12793,5354],{"class":5251},[5237,12795,12796,12799,12801,12803,12805,12807,12809,12811,12813,12815],{"class":5239,"line":5465},[5237,12797,12798],{"class":5255},"      Error",[5237,12800,5300],{"class":5251},[5237,12802,12791],{"class":5247},[5237,12804,5252],{"class":5251},[5237,12806,12758],{"class":5243},[5237,12808,5105],{"class":5251},[5237,12810,12758],{"class":5243},[5237,12812,5300],{"class":5251},[5237,12814,12763],{"class":5255},[5237,12816,5375],{"class":5251},[5237,12818,12819],{"class":5239,"line":5471},[5237,12820,5381],{"class":5251},[5237,12822,12823],{"class":5239,"line":5477},[5237,12824,5468],{"class":5251},[5237,12826,12827],{"class":5239,"line":5484},[5237,12828,5474],{"class":5251},[5237,12830,12831],{"class":5239,"line":5490},[5237,12832,5481],{"emptyLinePlaceholder":5480},[5237,12834,12835],{"class":5239,"line":5498},[5237,12836,12837],{"class":5313},"\u002F\u002F Спеціалізовані класи помилок\n",[5237,12839,12840,12842,12845,12847,12849],{"class":5239,"line":5519},[5237,12841,8256],{"class":5243},[5237,12843,12844],{"class":5262}," ValidationError",[5237,12846,8262],{"class":5243},[5237,12848,12652],{"class":5262},[5237,12850,5272],{"class":5251},[5237,12852,12853,12855,12857,12859,12861,12863,12865,12868,12870,12873,12875,12877],{"class":5239,"line":5542},[5237,12854,8271],{"class":5243},[5237,12856,5252],{"class":5251},[5237,12858,5445],{"class":5255},[5237,12860,5259],{"class":5251},[5237,12862,5263],{"class":5262},[5237,12864,5105],{"class":5251},[5237,12866,12867],{"class":5243},"public",[5237,12869,12683],{"class":5243},[5237,12871,12872],{"class":5255}," field",[5237,12874,6421],{"class":5251},[5237,12876,5263],{"class":5262},[5237,12878,5354],{"class":5251},[5237,12880,12881,12883,12885,12887,12889,12892,12894,12897],{"class":5239,"line":5556},[5237,12882,8286],{"class":5243},[5237,12884,5252],{"class":5251},[5237,12886,5445],{"class":5255},[5237,12888,5105],{"class":5251},[5237,12890,12891],{"class":5371},"'VALIDATION_ERROR'",[5237,12893,5105],{"class":5251},[5237,12895,12896],{"class":5597},"400",[5237,12898,5375],{"class":5251},[5237,12900,12901],{"class":5239,"line":5584},[5237,12902,5468],{"class":5251},[5237,12904,12905],{"class":5239,"line":5603},[5237,12906,5474],{"class":5251},[5237,12908,12909],{"class":5239,"line":5963},[5237,12910,5481],{"emptyLinePlaceholder":5480},[5237,12912,12913,12915,12918,12920,12922],{"class":5239,"line":5969},[5237,12914,8256],{"class":5243},[5237,12916,12917],{"class":5262}," NotFoundError",[5237,12919,8262],{"class":5243},[5237,12921,12652],{"class":5262},[5237,12923,5272],{"class":5251},[5237,12925,12926,12928,12930,12933,12935,12937,12939,12941,12943,12945,12947,12949],{"class":5239,"line":5975},[5237,12927,8271],{"class":5243},[5237,12929,5252],{"class":5251},[5237,12931,12932],{"class":5255},"resource",[5237,12934,5259],{"class":5251},[5237,12936,5263],{"class":5262},[5237,12938,5105],{"class":5251},[5237,12940,5351],{"class":5255},[5237,12942,5259],{"class":5251},[5237,12944,5263],{"class":5262},[5237,12946,6411],{"class":5251},[5237,12948,6393],{"class":5262},[5237,12950,5354],{"class":5251},[5237,12952,12953,12955,12957,12959,12961,12963,12965,12968,12970,12972,12974,12977,12979,12982,12984,12987],{"class":5239,"line":5980},[5237,12954,8286],{"class":5243},[5237,12956,5252],{"class":5251},[5237,12958,10481],{"class":5371},[5237,12960,6454],{"class":5243},[5237,12962,12932],{"class":5255},[5237,12964,6459],{"class":5243},[5237,12966,12967],{"class":5371}," з ID ",[5237,12969,6454],{"class":5243},[5237,12971,5351],{"class":5255},[5237,12973,6459],{"class":5243},[5237,12975,12976],{"class":5371}," не знайдено`",[5237,12978,5105],{"class":5251},[5237,12980,12981],{"class":5371},"'NOT_FOUND'",[5237,12983,5105],{"class":5251},[5237,12985,12986],{"class":5597},"404",[5237,12988,5375],{"class":5251},[5237,12990,12991],{"class":5239,"line":5986},[5237,12992,5468],{"class":5251},[5237,12994,12995],{"class":5239,"line":5992},[5237,12996,5474],{"class":5251},[5237,12998,12999],{"class":5239,"line":5997},[5237,13000,5481],{"emptyLinePlaceholder":5480},[5237,13002,13003,13005,13008,13010,13012],{"class":5239,"line":6003},[5237,13004,8256],{"class":5243},[5237,13006,13007],{"class":5262}," UnauthorizedError",[5237,13009,8262],{"class":5243},[5237,13011,12652],{"class":5262},[5237,13013,5272],{"class":5251},[5237,13015,13016,13018,13020,13022,13024,13026,13028,13031],{"class":5239,"line":6771},[5237,13017,8271],{"class":5243},[5237,13019,5252],{"class":5251},[5237,13021,5445],{"class":5255},[5237,13023,5259],{"class":5251},[5237,13025,5263],{"class":5262},[5237,13027,5294],{"class":5251},[5237,13029,13030],{"class":5371},"'Доступ заборонено'",[5237,13032,5354],{"class":5251},[5237,13034,13035,13037,13039,13041,13043,13046,13048,13051],{"class":5239,"line":6786},[5237,13036,8286],{"class":5243},[5237,13038,5252],{"class":5251},[5237,13040,5445],{"class":5255},[5237,13042,5105],{"class":5251},[5237,13044,13045],{"class":5371},"'UNAUTHORIZED'",[5237,13047,5105],{"class":5251},[5237,13049,13050],{"class":5597},"401",[5237,13052,5375],{"class":5251},[5237,13054,13055],{"class":5239,"line":6801},[5237,13056,5468],{"class":5251},[5237,13058,13059],{"class":5239,"line":6816},[5237,13060,5474],{"class":5251},[5237,13062,13063],{"class":5239,"line":6853},[5237,13064,5481],{"emptyLinePlaceholder":5480},[5237,13066,13067,13069,13072,13074,13076],{"class":5239,"line":6859},[5237,13068,8256],{"class":5243},[5237,13070,13071],{"class":5262}," DatabaseError",[5237,13073,8262],{"class":5243},[5237,13075,12652],{"class":5262},[5237,13077,5272],{"class":5251},[5237,13079,13080,13082,13084,13086,13088,13090,13092,13094,13096,13099,13101,13103],{"class":5239,"line":6864},[5237,13081,8271],{"class":5243},[5237,13083,5252],{"class":5251},[5237,13085,5445],{"class":5255},[5237,13087,5259],{"class":5251},[5237,13089,5263],{"class":5262},[5237,13091,5105],{"class":5251},[5237,13093,12867],{"class":5243},[5237,13095,12683],{"class":5243},[5237,13097,13098],{"class":5255}," query",[5237,13100,6421],{"class":5251},[5237,13102,5263],{"class":5262},[5237,13104,5354],{"class":5251},[5237,13106,13107,13109,13111,13113,13115,13118,13120,13122],{"class":5239,"line":6870},[5237,13108,8286],{"class":5243},[5237,13110,5252],{"class":5251},[5237,13112,5445],{"class":5255},[5237,13114,5105],{"class":5251},[5237,13116,13117],{"class":5371},"'DATABASE_ERROR'",[5237,13119,5105],{"class":5251},[5237,13121,12118],{"class":5597},[5237,13123,5375],{"class":5251},[5237,13125,13126,13128,13130,13133,13135,13137,13139],{"class":5239,"line":6915},[5237,13127,8297],{"class":5243},[5237,13129,5300],{"class":5251},[5237,13131,13132],{"class":5255},"isOperational",[5237,13134,5294],{"class":5251},[5237,13136,9267],{"class":5243},[5237,13138,5459],{"class":5251},[5237,13140,13141],{"class":5313},"\u002F\u002F Помилка БД — не операційна, потрібен перезапуск\n",[5237,13143,13144],{"class":5239,"line":6927},[5237,13145,5468],{"class":5251},[5237,13147,13148],{"class":5239,"line":6941},[5237,13149,5474],{"class":5251},[5203,13151,13152],{},"Ключові властивості власних помилок:",[6312,13154,13155,13165,13173,13188],{},[5095,13156,13157,13161,13162,5442],{},[5132,13158,13159],{},[5102,13160,5102],{},": унікальний код помилки для програмної обробки (наприклад, ",[5102,13163,13164],{},"VALIDATION_ERROR",[5095,13166,13167,13172],{},[5132,13168,13169],{},[5102,13170,13171],{},"statusCode",": HTTP-код для використання у REST API.",[5095,13174,13175,13179,13180,13183,13184,13187],{},[5132,13176,13177],{},[5102,13178,13132],{},": розмежування між ",[5132,13181,13182],{},"операційними помилками"," (очікувані, відновлювані) та ",[5132,13185,13186],{},"програмними помилками"," (баги, потребують перезапуску).",[5095,13189,13190,13195],{},[5132,13191,13192],{},[5102,13193,13194],{},"Error.captureStackTrace()",": метод V8 для правильного збереження стеку викликів без включення конструктора класу помилки.",[5211,13197,13199],{"id":13198},"використання-власних-помилок-у-бізнес-логіці","Використання власних помилок у бізнес-логіці",[5228,13201,13203],{"className":5230,"code":13202,"language":5232,"meta":5233,"style":5233},"interface User {\n  id: number;\n  email: string;\n  password: string;\n}\n\nclass UserService {\n  private users: User[] = [];\n  \n  async createUser(email: string, password: string): Promise\u003CUser> {\n    \u002F\u002F Валідація email\n    const emailRegex = \u002F^[^\\s@]+@[^\\s@]+\\.[^\\s@]+$\u002F;\n    if (!emailRegex.test(email)) {\n      throw new ValidationError('Невалідний формат email', 'email');\n    }\n    \n    \u002F\u002F Валідація паролю\n    if (password.length \u003C 8) {\n      throw new ValidationError('Пароль повинен містити щонайменше 8 символів', 'password');\n    }\n    \n    \u002F\u002F Перевірка унікальності\n    const existingUser = this.users.find((u) => u.email === email);\n    if (existingUser) {\n      throw new ValidationError('Користувач з таким email вже існує', 'email');\n    }\n    \n    const user: User = {\n      id: this.users.length + 1,\n      email,\n      password, \u002F\u002F У реальному застосунку — хешувати!\n    };\n    \n    this.users.push(user);\n    return user;\n  }\n  \n  async getUserById(id: number): Promise\u003CUser> {\n    const user = this.users.find((u) => u.id === id);\n    \n    if (!user) {\n      throw new NotFoundError('User', id);\n    }\n    \n    return user;\n  }\n  \n  async deleteUser(id: number, requesterId: number): Promise\u003Cvoid> {\n    \u002F\u002F Перевірка авторизації\n    if (id !== requesterId) {\n      throw new UnauthorizedError('Ви можете видалити лише свій обліковий запис');\n    }\n    \n    const index = this.users.findIndex((u) => u.id === id);\n    \n    if (index === -1) {\n      throw new NotFoundError('User', id);\n    }\n    \n    this.users.splice(index, 1);\n  }\n}\n\n\u002F\u002F Використання у Express-роутах\nimport express from 'express';\n\nconst app = express();\nconst userService = new UserService();\n\napp.use(express.json());\n\napp.post('\u002Fusers', async (req, res, next) => {\n  try {\n    const user = await userService.createUser(req.body.email, req.body.password);\n    res.status(201).json(user);\n  } catch (error) {\n    next(error); \u002F\u002F Передаємо помилку до централізованого обробника\n  }\n});\n\napp.get('\u002Fusers\u002F:id', async (req, res, next) => {\n  try {\n    const user = await userService.getUserById(parseInt(req.params.id));\n    res.json(user);\n  } catch (error) {\n    next(error);\n  }\n});\n\napp.delete('\u002Fusers\u002F:id', async (req, res, next) => {\n  try {\n    await userService.deleteUser(parseInt(req.params.id), req.user?.id); \u002F\u002F req.user з middleware авторизації\n    res.status(204).send();\n  } catch (error) {\n    next(error);\n  }\n});\n\n\u002F\u002F Централізований обробник помилок (error-handling middleware)\napp.use((err: Error, req: express.Request, res: express.Response, next: express.NextFunction) => {\n  if (err instanceof ApplicationError) {\n    \u002F\u002F Операційна помилка — відправляємо клієнту\n    res.status(err.statusCode).json({\n      error: {\n        code: err.code,\n        message: err.message,\n        field: (err as any).field, \u002F\u002F Якщо ValidationError\n      },\n    });\n    \n    \u002F\u002F Логуємо лише серверні помилки (5xx)\n    if (err.statusCode >= 500) {\n      console.error('Server Error:', err);\n    }\n  } else {\n    \u002F\u002F Непередбачена помилка (програмна помилка, баг)\n    console.error('Unexpected Error:', err.stack);\n    res.status(500).json({\n      error: {\n        code: 'INTERNAL_SERVER_ERROR',\n        message: 'Внутрішня помилка сервера',\n      },\n    });\n  }\n});\n\napp.listen(3000, () => {\n  console.log('Сервер запущено на порту 3000');\n});\n",[5102,13204,13205,13215,13226,13237,13248,13252,13256,13265,13281,13285,13320,13325,13386,13407,13427,13431,13435,13440,13459,13479,13483,13487,13492,13535,13546,13565,13569,13573,13585,13608,13615,13625,13629,13633,13652,13660,13664,13668,13693,13731,13735,13745,13764,13768,13772,13780,13784,13788,13822,13827,13842,13857,13861,13865,13905,13909,13925,13943,13947,13951,13974,13978,13982,13986,13991,14003,14007,14019,14035,14040,14059,14064,14101,14108,14153,14177,14190,14205,14210,14215,14220,14255,14262,14299,14314,14327,14338,14343,14348,14353,14389,14396,14443,14463,14476,14487,14492,14497,14502,14508,14570,14585,14591,14614,14622,14636,14650,14675,14681,14686,14691,14697,14717,14737,14742,14751,14757,14781,14800,14807,14817,14827,14832,14837,14842,14847,14852,14871,14886],{"__ignoreMap":5233},[5237,13206,13207,13210,13213],{"class":5239,"line":5240},[5237,13208,13209],{"class":5243},"interface",[5237,13211,13212],{"class":5262}," User",[5237,13214,5272],{"class":5251},[5237,13216,13217,13220,13222,13224],{"class":5239,"line":5275},[5237,13218,13219],{"class":5255},"  id",[5237,13221,5259],{"class":5251},[5237,13223,6393],{"class":5262},[5237,13225,5397],{"class":5251},[5237,13227,13228,13231,13233,13235],{"class":5239,"line":5284},[5237,13229,13230],{"class":5255},"  email",[5237,13232,5259],{"class":5251},[5237,13234,5263],{"class":5262},[5237,13236,5397],{"class":5251},[5237,13238,13239,13242,13244,13246],{"class":5239,"line":5317},[5237,13240,13241],{"class":5255},"  password",[5237,13243,5259],{"class":5251},[5237,13245,5263],{"class":5262},[5237,13247,5397],{"class":5251},[5237,13249,13250],{"class":5239,"line":5323},[5237,13251,5474],{"class":5251},[5237,13253,13254],{"class":5239,"line":5357},[5237,13255,5481],{"emptyLinePlaceholder":5480},[5237,13257,13258,13260,13263],{"class":5239,"line":5378},[5237,13259,8256],{"class":5243},[5237,13261,13262],{"class":5262}," UserService",[5237,13264,5272],{"class":5251},[5237,13266,13267,13270,13273,13275,13278],{"class":5239,"line":5384},[5237,13268,13269],{"class":5243},"  private",[5237,13271,13272],{"class":5255}," users",[5237,13274,5259],{"class":5251},[5237,13276,13277],{"class":5262},"User",[5237,13279,13280],{"class":5251},"[] = [];\n",[5237,13282,13283],{"class":5239,"line":5389},[5237,13284,6181],{"class":5251},[5237,13286,13287,13290,13293,13295,13297,13299,13301,13303,13306,13308,13310,13312,13314,13316,13318],{"class":5239,"line":5400},[5237,13288,13289],{"class":5243},"  async",[5237,13291,13292],{"class":5247}," createUser",[5237,13294,5252],{"class":5251},[5237,13296,6796],{"class":5255},[5237,13298,5259],{"class":5251},[5237,13300,5263],{"class":5262},[5237,13302,5105],{"class":5251},[5237,13304,13305],{"class":5255},"password",[5237,13307,5259],{"class":5251},[5237,13309,5263],{"class":5262},[5237,13311,5266],{"class":5251},[5237,13313,7231],{"class":5262},[5237,13315,7234],{"class":5251},[5237,13317,13277],{"class":5262},[5237,13319,7239],{"class":5251},[5237,13321,13322],{"class":5239,"line":5417},[5237,13323,13324],{"class":5313},"    \u002F\u002F Валідація email\n",[5237,13326,13327,13329,13332,13335,13339,13343,13347,13350,13353,13357,13360,13362,13364,13366,13368,13371,13373,13375,13377,13379,13381,13384],{"class":5239,"line":5450},[5237,13328,5287],{"class":5243},[5237,13330,13331],{"class":5290}," emailRegex",[5237,13333,13334],{"class":5251}," =",[5237,13336,13338],{"class":13337},"shsrj"," \u002F",[5237,13340,13342],{"class":13341},"siofk","^",[5237,13344,13346],{"class":13345},"sAV2Q","[^",[5237,13348,13349],{"class":13337},"\\s@",[5237,13351,13352],{"class":13345},"]",[5237,13354,13356],{"class":13355},"sYsli","+",[5237,13358,13359],{"class":13337},"@",[5237,13361,13346],{"class":13345},[5237,13363,13349],{"class":13337},[5237,13365,13352],{"class":13345},[5237,13367,13356],{"class":13355},[5237,13369,13370],{"class":10883},"\\.",[5237,13372,13346],{"class":13345},[5237,13374,13349],{"class":13337},[5237,13376,13352],{"class":13345},[5237,13378,13356],{"class":13355},[5237,13380,9277],{"class":13341},[5237,13382,13383],{"class":13337},"\u002F",[5237,13385,5397],{"class":5251},[5237,13387,13388,13390,13392,13395,13397,13400,13402,13404],{"class":5239,"line":5465},[5237,13389,5326],{"class":5278},[5237,13391,5329],{"class":5251},[5237,13393,13394],{"class":5255},"emailRegex",[5237,13396,5300],{"class":5251},[5237,13398,13399],{"class":5247},"test",[5237,13401,5252],{"class":5251},[5237,13403,6796],{"class":5255},[5237,13405,13406],{"class":5251},")) {\n",[5237,13408,13409,13411,13413,13415,13417,13420,13422,13425],{"class":5239,"line":5471},[5237,13410,5360],{"class":5278},[5237,13412,5363],{"class":5243},[5237,13414,12844],{"class":5247},[5237,13416,5252],{"class":5251},[5237,13418,13419],{"class":5371},"'Невалідний формат email'",[5237,13421,5105],{"class":5251},[5237,13423,13424],{"class":5371},"'email'",[5237,13426,5375],{"class":5251},[5237,13428,13429],{"class":5239,"line":5477},[5237,13430,5381],{"class":5251},[5237,13432,13433],{"class":5239,"line":5484},[5237,13434,5320],{"class":5251},[5237,13436,13437],{"class":5239,"line":5490},[5237,13438,13439],{"class":5313},"    \u002F\u002F Валідація паролю\n",[5237,13441,13442,13444,13446,13448,13450,13452,13454,13457],{"class":5239,"line":5498},[5237,13443,5326],{"class":5278},[5237,13445,5409],{"class":5251},[5237,13447,13305],{"class":5255},[5237,13449,5300],{"class":5251},[5237,13451,6811],{"class":5255},[5237,13453,8482],{"class":5251},[5237,13455,13456],{"class":5597},"8",[5237,13458,5354],{"class":5251},[5237,13460,13461,13463,13465,13467,13469,13472,13474,13477],{"class":5239,"line":5519},[5237,13462,5360],{"class":5278},[5237,13464,5363],{"class":5243},[5237,13466,12844],{"class":5247},[5237,13468,5252],{"class":5251},[5237,13470,13471],{"class":5371},"'Пароль повинен містити щонайменше 8 символів'",[5237,13473,5105],{"class":5251},[5237,13475,13476],{"class":5371},"'password'",[5237,13478,5375],{"class":5251},[5237,13480,13481],{"class":5239,"line":5542},[5237,13482,5381],{"class":5251},[5237,13484,13485],{"class":5239,"line":5556},[5237,13486,5320],{"class":5251},[5237,13488,13489],{"class":5239,"line":5584},[5237,13490,13491],{"class":5313},"    \u002F\u002F Перевірка унікальності\n",[5237,13493,13494,13496,13499,13501,13503,13505,13508,13510,13513,13515,13518,13520,13522,13525,13527,13529,13531,13533],{"class":5239,"line":5603},[5237,13495,5287],{"class":5243},[5237,13497,13498],{"class":5290}," 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існує'",[5237,13560,5105],{"class":5251},[5237,13562,13424],{"class":5371},[5237,13564,5375],{"class":5251},[5237,13566,13567],{"class":5239,"line":5975},[5237,13568,5381],{"class":5251},[5237,13570,13571],{"class":5239,"line":5980},[5237,13572,5320],{"class":5251},[5237,13574,13575,13577,13579,13581,13583],{"class":5239,"line":5986},[5237,13576,5287],{"class":5243},[5237,13578,6221],{"class":5290},[5237,13580,5259],{"class":5251},[5237,13582,13277],{"class":5262},[5237,13584,6768],{"class":5251},[5237,13586,13587,13590,13593,13595,13597,13599,13601,13604,13606],{"class":5239,"line":5992},[5237,13588,13589],{"class":5255},"      id:",[5237,13591,13592],{"class":5243}," this",[5237,13594,5300],{"class":5251},[5237,13596,13507],{"class":5255},[5237,13598,5300],{"class":5251},[5237,13600,6811],{"class":5255},[5237,13602,13603],{"class":5251}," + 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хешувати!\n",[5237,13626,13627],{"class":5239,"line":6771},[5237,13628,7948],{"class":5251},[5237,13630,13631],{"class":5239,"line":6786},[5237,13632,5320],{"class":5251},[5237,13634,13635,13637,13639,13641,13643,13646,13648,13650],{"class":5239,"line":6801},[5237,13636,8297],{"class":5243},[5237,13638,5300],{"class":5251},[5237,13640,13507],{"class":5255},[5237,13642,5300],{"class":5251},[5237,13644,13645],{"class":5247},"push",[5237,13647,5252],{"class":5251},[5237,13649,5337],{"class":5255},[5237,13651,5375],{"class":5251},[5237,13653,13654,13656,13658],{"class":5239,"line":6816},[5237,13655,5392],{"class":5278},[5237,13657,6221],{"class":5255},[5237,13659,5397],{"class":5251},[5237,13661,13662],{"class":5239,"line":6853},[5237,13663,5468],{"class":5251},[5237,13665,13666],{"class":5239,"line":6859},[5237,13667,6181],{"class":5251},[5237,13669,13670,13672,13675,13677,13679,13681,13683,13685,13687,13689,13691],{"class":5239,"line":6864},[5237,13671,13289],{"class":5243},[5237,13673,13674],{"class":5247}," 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Використання у Express-роутах\n",[5237,13992,13993,13995,13997,13999,14001],{"class":5239,"line":8996},[5237,13994,5646],{"class":5278},[5237,13996,10250],{"class":5255},[5237,13998,10253],{"class":5278},[5237,14000,10256],{"class":5371},[5237,14002,5397],{"class":5251},[5237,14004,14005],{"class":5239,"line":10486},[5237,14006,5481],{"emptyLinePlaceholder":5480},[5237,14008,14009,14011,14013,14015,14017],{"class":5239,"line":11407},[5237,14010,9725],{"class":5243},[5237,14012,10269],{"class":5290},[5237,14014,5294],{"class":5251},[5237,14016,10274],{"class":5247},[5237,14018,8194],{"class":5251},[5237,14020,14022,14024,14027,14029,14031,14033],{"class":5239,"line":14021},68,[5237,14023,9725],{"class":5243},[5237,14025,14026],{"class":5290}," 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   next",[5237,14197,5252],{"class":5251},[5237,14199,5412],{"class":5255},[5237,14201,5310],{"class":5251},[5237,14203,14204],{"class":5313},"\u002F\u002F Передаємо помилку до централізованого обробника\n",[5237,14206,14208],{"class":5239,"line":14207},78,[5237,14209,5468],{"class":5251},[5237,14211,14213],{"class":5239,"line":14212},79,[5237,14214,6307],{"class":5251},[5237,14216,14218],{"class":5239,"line":14217},80,[5237,14219,5481],{"emptyLinePlaceholder":5480},[5237,14221,14223,14225,14227,14229,14231,14233,14235,14237,14239,14241,14243,14245,14247,14249,14251,14253],{"class":5239,"line":14222},81,[5237,14224,10285],{"class":5255},[5237,14226,5300],{"class":5251},[5237,14228,10290],{"class":5247},[5237,14230,5252],{"class":5251},[5237,14232,11975],{"class":5371},[5237,14234,5105],{"class":5251},[5237,14236,5160],{"class":5243},[5237,14238,5409],{"class":5251},[5237,14240,10300],{"class":5255},[5237,14242,5105],{"class":5251},[5237,14244,10305],{"class":5255},[5237,14246,5105],{"class":5251},[5237,14248,11902],{"class":5255},[5237,14250,5705],{"class":5251},[5237,14252,5708],{"class":5243},[5237,14254,5272],{"class":5251},[5237,14256,14258,14260],{"class":5239,"line":14257},82,[5237,14259,5279],{"class":5278},[5237,14261,5272],{"class":5251},[5237,14263,14265,14267,14269,14271,14273,14275,14277,14280,14282,14285,14287,14289,14291,14293,14295,14297],{"class":5239,"line":14264},83,[5237,14266,5287],{"class":5243},[5237,14268,6221],{"class":5290},[5237,14270,5294],{"class":5251},[5237,14272,6016],{"class":5278},[5237,14274,14026],{"class":5255},[5237,14276,5300],{"class":5251},[5237,14278,14279],{"class":5247},"getUserById",[5237,14281,5252],{"class":5251},[5237,14283,14284],{"class":5247},"parseInt",[5237,14286,5252],{"class":5251},[5237,14288,10300],{"class":5255},[5237,14290,5300],{"class":5251},[5237,14292,12034],{"class":5255},[5237,14294,5300],{"class":5251},[5237,14296,5351],{"class":5255},[5237,14298,7986],{"class":5251},[5237,14300,14302,14304,14306,14308,14310,14312],{"class":5239,"line":14301},84,[5237,14303,12046],{"class":5255},[5237,14305,5300],{"class":5251},[5237,14307,9804],{"class":5247},[5237,14309,5252],{"class":5251},[5237,14311,5337],{"class":5255},[5237,14313,5375],{"class":5251},[5237,14315,14317,14319,14321,14323,14325],{"class":5239,"line":14316},85,[5237,14318,5403],{"class":5251},[5237,14320,5406],{"class":5278},[5237,14322,5409],{"class":5251},[5237,14324,5412],{"class":5255},[5237,14326,5354],{"class":5251},[5237,14328,14330,14332,14334,14336],{"class":5239,"line":14329},86,[5237,14331,14195],{"class":5247},[5237,14333,5252],{"class":5251},[5237,14335,5412],{"class":5255},[5237,14337,5375],{"class":5251},[5237,14339,14341],{"class":5239,"line":14340},87,[5237,14342,5468],{"class":5251},[5237,14344,14346],{"class":5239,"line":14345},88,[5237,14347,6307],{"class":5251},[5237,14349,14351],{"class":5239,"line":14350},89,[5237,14352,5481],{"emptyLinePlaceholder":5480},[5237,14354,14356,14358,14360,14363,14365,14367,14369,14371,14373,14375,14377,14379,14381,14383,14385,14387],{"class":5239,"line":14355},90,[5237,14357,10285],{"class":5255},[5237,14359,5300],{"class":5251},[5237,14361,14362],{"class":5247},"delete",[5237,14364,5252],{"class":5251},[5237,14366,11975],{"class":5371},[5237,14368,5105],{"class":5251},[5237,14370,5160],{"class":5243},[5237,14372,5409],{"class":5251},[5237,14374,10300],{"class":5255},[5237,14376,5105],{"class":5251},[5237,14378,10305],{"class":5255},[5237,14380,5105],{"class":5251},[5237,14382,11902],{"class":5255},[5237,14384,5705],{"class":5251},[5237,14386,5708],{"class":5243},[5237,14388,5272],{"class":5251},[5237,14390,14392,14394],{"class":5239,"line":14391},91,[5237,14393,5279],{"class":5278},[5237,14395,5272],{"class":5251},[5237,14397,14399,14401,14403,14405,14408,14410,14412,14414,14416,14418,14420,14422,14424,14427,14429,14431,14433,14436,14438,14440],{"class":5239,"line":14398},92,[5237,14400,7957],{"class":5278},[5237,14402,14026],{"class":5255},[5237,14404,5300],{"class":5251},[5237,14406,14407],{"class":5247},"deleteUser",[5237,14409,5252],{"class":5251},[5237,14411,14284],{"class":5247},[5237,14413,5252],{"class":5251},[5237,14415,10300],{"class":5255},[5237,14417,5300],{"class":5251},[5237,14419,12034],{"class":5255},[5237,14421,5300],{"class":5251},[5237,14423,5351],{"class":5255},[5237,14425,14426],{"class":5251},"), ",[5237,14428,10300],{"class":5255},[5237,14430,5300],{"class":5251},[5237,14432,5337],{"class":5255},[5237,14434,14435],{"class":5251},"?.",[5237,14437,5351],{"class":5255},[5237,14439,5310],{"class":5251},[5237,14441,14442],{"class":5313},"\u002F\u002F req.user з middleware авторизації\n",[5237,14444,14446,14448,14450,14452,14454,14457,14459,14461],{"class":5239,"line":14445},93,[5237,14447,12046],{"class":5255},[5237,14449,5300],{"class":5251},[5237,14451,12113],{"class":5247},[5237,14453,5252],{"class":5251},[5237,14455,14456],{"class":5597},"204",[5237,14458,5442],{"class":5251},[5237,14460,10409],{"class":5247},[5237,14462,8194],{"class":5251},[5237,14464,14466,14468,14470,14472,14474],{"class":5239,"line":14465},94,[5237,14467,5403],{"class":5251},[5237,14469,5406],{"class":5278},[5237,14471,5409],{"class":5251},[5237,14473,5412],{"class":5255},[5237,14475,5354],{"class":5251},[5237,14477,14479,14481,14483,14485],{"class":5239,"line":14478},95,[5237,14480,14195],{"class":5247},[5237,14482,5252],{"class":5251},[5237,14484,5412],{"class":5255},[5237,14486,5375],{"class":5251},[5237,14488,14490],{"class":5239,"line":14489},96,[5237,14491,5468],{"class":5251},[5237,14493,14495],{"class":5239,"line":14494},97,[5237,14496,6307],{"class":5251},[5237,14498,14500],{"class":5239,"line":14499},98,[5237,14501,5481],{"emptyLinePlaceholder":5480},[5237,14503,14505],{"class":5239,"line":14504},99,[5237,14506,14507],{"class":5313},"\u002F\u002F Централізований обробник помилок (error-handling middleware)\n",[5237,14509,14511,14513,14515,14517,14519,14521,14523,14525,14527,14529,14531,14533,14535,14538,14540,14542,14544,14546,14548,14551,14553,14555,14557,14559,14561,14564,14566,14568],{"class":5239,"line":14510},100,[5237,14512,10285],{"class":5255},[5237,14514,5300],{"class":5251},[5237,14516,11843],{"class":5247},[5237,14518,7277],{"class":5251},[5237,14520,5698],{"class":5255},[5237,14522,5259],{"class":5251},[5237,14524,6408],{"class":5262},[5237,14526,5105],{"class":5251},[5237,14528,10300],{"class":5255},[5237,14530,5259],{"class":5251},[5237,14532,10274],{"class":5262},[5237,14534,5300],{"class":5251},[5237,14536,14537],{"class":5262},"Request",[5237,14539,5105],{"class":5251},[5237,14541,10305],{"class":5255},[5237,14543,5259],{"class":5251},[5237,14545,10274],{"class":5262},[5237,14547,5300],{"class":5251},[5237,14549,14550],{"class":5262},"Response",[5237,14552,5105],{"class":5251},[5237,14554,11902],{"class":5255},[5237,14556,5259],{"class":5251},[5237,14558,10274],{"class":5262},[5237,14560,5300],{"class":5251},[5237,14562,14563],{"class":5262},"NextFunction",[5237,14565,5705],{"class":5251},[5237,14567,5708],{"class":5243},[5237,14569,5272],{"class":5251},[5237,14571,14573,14575,14577,14579,14581,14583],{"class":5239,"line":14572},101,[5237,14574,6129],{"class":5278},[5237,14576,5409],{"class":5251},[5237,14578,5698],{"class":5255},[5237,14580,8559],{"class":5243},[5237,14582,12652],{"class":5262},[5237,14584,5354],{"class":5251},[5237,14586,14588],{"class":5239,"line":14587},102,[5237,14589,14590],{"class":5313},"    \u002F\u002F Операційна помилка — відправляємо клієнту\n",[5237,14592,14594,14596,14598,14600,14602,14604,14606,14608,14610,14612],{"class":5239,"line":14593},103,[5237,14595,12046],{"class":5255},[5237,14597,5300],{"class":5251},[5237,14599,12113],{"class":5247},[5237,14601,5252],{"class":5251},[5237,14603,5698],{"class":5255},[5237,14605,5300],{"class":5251},[5237,14607,13171],{"class":5255},[5237,14609,5442],{"class":5251},[5237,14611,9804],{"class":5247},[5237,14613,9735],{"class":5251},[5237,14615,14617,14620],{"class":5239,"line":14616},104,[5237,14618,14619],{"class":5255},"      error:",[5237,14621,5272],{"class":5251},[5237,14623,14625,14628,14630,14632,14634],{"class":5239,"line":14624},105,[5237,14626,14627],{"class":5255},"        code:",[5237,14629,5727],{"class":5255},[5237,14631,5300],{"class":5251},[5237,14633,5102],{"class":5255},[5237,14635,6783],{"class":5251},[5237,14637,14639,14642,14644,14646,14648],{"class":5239,"line":14638},106,[5237,14640,14641],{"class":5255},"        message:",[5237,14643,5727],{"class":5255},[5237,14645,5300],{"class":5251},[5237,14647,5445],{"class":5255},[5237,14649,6783],{"class":5251},[5237,14651,14653,14656,14658,14660,14662,14665,14667,14670,14672],{"class":5239,"line":14652},107,[5237,14654,14655],{"class":5255},"        field:",[5237,14657,5409],{"class":5251},[5237,14659,5698],{"class":5255},[5237,14661,5437],{"class":5278},[5237,14663,14664],{"class":5262}," any",[5237,14666,5442],{"class":5251},[5237,14668,14669],{"class":5255},"field",[5237,14671,5105],{"class":5251},[5237,14673,14674],{"class":5313},"\u002F\u002F Якщо ValidationError\n",[5237,14676,14678],{"class":5239,"line":14677},108,[5237,14679,14680],{"class":5251},"      },\n",[5237,14682,14684],{"class":5239,"line":14683},109,[5237,14685,6981],{"class":5251},[5237,14687,14689],{"class":5239,"line":14688},110,[5237,14690,5320],{"class":5251},[5237,14692,14694],{"class":5239,"line":14693},111,[5237,14695,14696],{"class":5313},"    \u002F\u002F Логуємо лише серверні помилки (5xx)\n",[5237,14698,14700,14702,14704,14706,14708,14710,14713,14715],{"class":5239,"line":14699},112,[5237,14701,5326],{"class":5278},[5237,14703,5409],{"class":5251},[5237,14705,5698],{"class":5255},[5237,14707,5300],{"class":5251},[5237,14709,13171],{"class":5255},[5237,14711,14712],{"class":5251}," >= ",[5237,14714,12118],{"class":5597},[5237,14716,5354],{"class":5251},[5237,14718,14720,14722,14724,14726,14728,14731,14733,14735],{"class":5239,"line":14719},113,[5237,14721,7551],{"class":5255},[5237,14723,5300],{"class":5251},[5237,14725,5412],{"class":5247},[5237,14727,5252],{"class":5251},[5237,14729,14730],{"class":5371},"'Server Error:'",[5237,14732,5105],{"class":5251},[5237,14734,5698],{"class":5255},[5237,14736,5375],{"class":5251},[5237,14738,14740],{"class":5239,"line":14739},114,[5237,14741,5381],{"class":5251},[5237,14743,14745,14747,14749],{"class":5239,"line":14744},115,[5237,14746,5403],{"class":5251},[5237,14748,10966],{"class":5278},[5237,14750,5272],{"class":5251},[5237,14752,14754],{"class":5239,"line":14753},116,[5237,14755,14756],{"class":5313},"    \u002F\u002F Непередбачена помилка (програмна помилка, баг)\n",[5237,14758,14760,14762,14764,14766,14768,14771,14773,14775,14777,14779],{"class":5239,"line":14759},117,[5237,14761,5420],{"class":5255},[5237,14763,5300],{"class":5251},[5237,14765,5412],{"class":5247},[5237,14767,5252],{"class":5251},[5237,14769,14770],{"class":5371},"'Unexpected Error:'",[5237,14772,5105],{"class":5251},[5237,14774,5698],{"class":5255},[5237,14776,5300],{"class":5251},[5237,14778,9150],{"class":5255},[5237,14780,5375],{"class":5251},[5237,14782,14784,14786,14788,14790,14792,14794,14796,14798],{"class":5239,"line":14783},118,[5237,14785,12046],{"class":5255},[5237,14787,5300],{"class":5251},[5237,14789,12113],{"class":5247},[5237,14791,5252],{"class":5251},[5237,14793,12118],{"class":5597},[5237,14795,5442],{"class":5251},[5237,14797,9804],{"class":5247},[5237,14799,9735],{"class":5251},[5237,14801,14803,14805],{"class":5239,"line":14802},119,[5237,14804,14619],{"class":5255},[5237,14806,5272],{"class":5251},[5237,14808,14810,14812,14815],{"class":5239,"line":14809},120,[5237,14811,14627],{"class":5255},[5237,14813,14814],{"class":5371}," 'INTERNAL_SERVER_ERROR'",[5237,14816,6783],{"class":5251},[5237,14818,14820,14822,14825],{"class":5239,"line":14819},121,[5237,14821,14641],{"class":5255},[5237,14823,14824],{"class":5371}," 'Внутрішня помилка сервера'",[5237,14826,6783],{"class":5251},[5237,14828,14830],{"class":5239,"line":14829},122,[5237,14831,14680],{"class":5251},[5237,14833,14835],{"class":5239,"line":14834},123,[5237,14836,6981],{"class":5251},[5237,14838,14840],{"class":5239,"line":14839},124,[5237,14841,5468],{"class":5251},[5237,14843,14845],{"class":5239,"line":14844},125,[5237,14846,6307],{"class":5251},[5237,14848,14850],{"class":5239,"line":14849},126,[5237,14851,5481],{"emptyLinePlaceholder":5480},[5237,14853,14855,14857,14859,14861,14863,14865,14867,14869],{"class":5239,"line":14854},127,[5237,14856,10285],{"class":5255},[5237,14858,5300],{"class":5251},[5237,14860,10447],{"class":5247},[5237,14862,5252],{"class":5251},[5237,14864,10436],{"class":5597},[5237,14866,10455],{"class":5251},[5237,14868,5708],{"class":5243},[5237,14870,5272],{"class":5251},[5237,14872,14874,14876,14878,14880,14882,14884],{"class":5239,"line":14873},128,[5237,14875,5522],{"class":5255},[5237,14877,5300],{"class":5251},[5237,14879,5527],{"class":5247},[5237,14881,5252],{"class":5251},[5237,14883,12181],{"class":5371},[5237,14885,5375],{"class":5251},[5237,14887,14889],{"class":5239,"line":14888},129,[5237,14890,6307],{"class":5251},[5203,14892,14893],{},"У цьому прикладі всі помилки бізнес-логіки викидаються як спеціалізовані класи, що дозволяє централізованому обробнику коректно формувати HTTP-відповіді з відповідними кодами статусу.",[7128,14895,14896,14897,14899,14900,14902,14903,14905],{},"Властивість ",[5102,14898,13132],{}," критично важлива для розрізнення між ",[5132,14901,13182],{}," (недійсний вхід, недостатньо прав, ресурс не знайдено) та ",[5132,14904,13186],{}," (баги у коді, null pointer, type errors). Операційні помилки є очікуваними та обробляються звичайним чином, тоді як програмні помилки вказують на баг та зазвичай потребують перезапуску процесу для відновлення чистого стану.",[5211,14907,14909],{"id":14908},"ієрархія-класів-помилок-для-доменної-логіки","Ієрархія класів помилок для доменної логіки",[5228,14911,14913],{"className":5230,"code":14912,"language":5232,"meta":5233,"style":5233},"\u002F\u002F Базова помилка для всього застосунку\nclass AppError extends Error {\n  constructor(\n    message: string,\n    public readonly code: string,\n    public readonly statusCode: number = 500\n  ) {\n    super(message);\n    this.name = this.constructor.name;\n    Error.captureStackTrace?.(this, this.constructor);\n  }\n}\n\n\u002F\u002F Помилки доменного рівня (бізнес-логіка)\nclass DomainError extends AppError {\n  constructor(message: string, code: string) {\n    super(message, code, 400);\n  }\n}\n\nclass InsufficientFundsError extends DomainError {\n  constructor(public readonly balance: number, public readonly required: number) {\n    super(\n      `Недостатньо коштів: баланс ${balance}, потрібно ${required}`,\n      'INSUFFICIENT_FUNDS'\n    );\n  }\n}\n\nclass AccountLockedError extends DomainError {\n  constructor(public readonly reason: string) {\n    super(`Обліковий запис заблоковано: ${reason}`, 'ACCOUNT_LOCKED');\n  }\n}\n\n\u002F\u002F Помилки інфраструктурного рівня\nclass InfrastructureError extends AppError {\n  constructor(message: string, code: string) {\n    super(message, code, 503);\n  }\n}\n\nclass DatabaseConnectionError extends InfrastructureError {\n  constructor(public readonly host: string, public readonly originalError: Error) {\n    super(`Не вдалося підключитися до БД ${host}`, 'DB_CONNECTION_ERROR');\n  }\n}\n\nclass ExternalServiceError extends InfrastructureError {\n  constructor(public readonly service: string, public readonly statusCode: number) {\n    super(`Зовнішній сервіс ${service} недоступний`, 'EXTERNAL_SERVICE_ERROR');\n  }\n}\n\n\u002F\u002F Використання у банківському сервісі\nclass BankingService {\n  async transferMoney(fromAccountId: string, toAccountId: string, amount: number): Promise\u003Cvoid> {\n    const fromAccount = await this.getAccount(fromAccountId);\n    \n    \u002F\u002F Перевірка блокування\n    if (fromAccount.isLocked) {\n      throw new AccountLockedError('Підозріла активність');\n    }\n    \n    \u002F\u002F Перевірка балансу\n    if (fromAccount.balance \u003C amount) {\n      throw new InsufficientFundsError(fromAccount.balance, amount);\n    }\n    \n    try {\n      \u002F\u002F Виконуємо транзакцію\n      await this.executeTransaction(fromAccountId, toAccountId, amount);\n    } catch (error) {\n      if ((error as any).code === 'ECONNREFUSED') {\n        throw new DatabaseConnectionError('postgres-primary', error as Error);\n      }\n      throw error;\n    }\n  }\n  \n  private async getAccount(id: string): Promise\u003Cany> {\n    \u002F\u002F Заглушка\n    return { id, balance: 1000, isLocked: false };\n  }\n  \n  private async executeTransaction(from: string, to: string, amount: number): Promise\u003Cvoid> {\n    \u002F\u002F Заглушка\n  }\n}\n",[5102,14914,14915,14920,14933,14939,14949,14963,14980,14984,14994,15016,15040,15044,15048,15052,15057,15070,15092,15110,15114,15118,15122,15135,15167,15173,15199,15204,15209,15213,15217,15221,15234,15252,15276,15280,15284,15288,15293,15306,15328,15347,15351,15355,15359,15372,15404,15428,15432,15436,15440,15453,15484,15510,15514,15518,15522,15527,15536,15580,15604,15608,15613,15629,15644,15648,15652,15657,15675,15697,15701,15705,15711,15716,15741,15753,15776,15800,15804,15812,15816,15820,15824,15852,15857,15884,15888,15892,15936,15940,15944],{"__ignoreMap":5233},[5237,14916,14917],{"class":5239,"line":5240},[5237,14918,14919],{"class":5313},"\u002F\u002F Базова помилка для всього застосунку\n",[5237,14921,14922,14924,14927,14929,14931],{"class":5239,"line":5275},[5237,14923,8256],{"class":5243},[5237,14925,14926],{"class":5262}," AppError",[5237,14928,8262],{"class":5243},[5237,14930,5366],{"class":5262},[5237,14932,5272],{"class":5251},[5237,14934,14935,14937],{"class":5239,"line":5284},[5237,14936,8271],{"class":5243},[5237,14938,9761],{"class":5251},[5237,14940,14941,14943,14945,14947],{"class":5239,"line":5317},[5237,14942,12669],{"class":5255},[5237,14944,5259],{"class":5251},[5237,14946,5263],{"class":5262},[5237,14948,6783],{"class":5251},[5237,14950,14951,14953,14955,14957,14959,14961],{"class":5239,"line":5323},[5237,14952,12680],{"class":5243},[5237,14954,12683],{"class":5243},[5237,14956,12686],{"class":5255},[5237,14958,5259],{"class":5251},[5237,14960,5263],{"class":5262},[5237,14962,6783],{"class":5251},[5237,14964,14965,14967,14969,14971,14973,14975,14977],{"class":5239,"line":5357},[5237,14966,12680],{"class":5243},[5237,14968,12683],{"class":5243},[5237,14970,12701],{"class":5255},[5237,14972,5259],{"class":5251},[5237,14974,6393],{"class":5262},[5237,14976,5294],{"class":5251},[5237,14978,14979],{"class":5597},"500\n",[5237,14981,14982],{"class":5239,"line":5378},[5237,14983,12735],{"class":5251},[5237,14985,14986,14988,14990,14992],{"class":5239,"line":5384},[5237,14987,8286],{"class":5243},[5237,14989,5252],{"class":5251},[5237,14991,5445],{"class":5255},[5237,14993,5375],{"class":5251},[5237,14995,14996,14998,15000,15002,15004,15006,15008,15010,15012,15014],{"class":5239,"line":5389},[5237,14997,8297],{"class":5243},[5237,14999,5300],{"class":5251},[5237,15001,6257],{"class":5255},[5237,15003,5294],{"class":5251},[5237,15005,12758],{"class":5243},[5237,15007,5300],{"class":5251},[5237,15009,12763],{"class":5255},[5237,15011,5300],{"class":5251},[5237,15013,6257],{"class":5255},[5237,15015,5397],{"class":5251},[5237,15017,15018,15021,15023,15025,15028,15030,15032,15034,15036,15038],{"class":5239,"line":5400},[5237,15019,15020],{"class":5255},"    Error",[5237,15022,5300],{"class":5251},[5237,15024,12791],{"class":5247},[5237,15026,15027],{"class":5251},"?.(",[5237,15029,12758],{"class":5243},[5237,15031,5105],{"class":5251},[5237,15033,12758],{"class":5243},[5237,15035,5300],{"class":5251},[5237,15037,12763],{"class":5255},[5237,15039,5375],{"class":5251},[5237,15041,15042],{"class":5239,"line":5417},[5237,15043,5468],{"class":5251},[5237,15045,15046],{"class":5239,"line":5450},[5237,15047,5474],{"class":5251},[5237,15049,15050],{"class":5239,"line":5465},[5237,15051,5481],{"emptyLinePlaceholder":5480},[5237,15053,15054],{"class":5239,"line":5471},[5237,15055,15056],{"class":5313},"\u002F\u002F Помилки доменного рівня (бізнес-логіка)\n",[5237,15058,15059,15061,15064,15066,15068],{"class":5239,"line":5477},[5237,15060,8256],{"class":5243},[5237,15062,15063],{"class":5262}," DomainError",[5237,15065,8262],{"class":5243},[5237,15067,14926],{"class":5262},[5237,15069,5272],{"class":5251},[5237,15071,15072,15074,15076,15078,15080,15082,15084,15086,15088,15090],{"class":5239,"line":5484},[5237,15073,8271],{"class":5243},[5237,15075,5252],{"class":5251},[5237,15077,5445],{"class":5255},[5237,15079,5259],{"class":5251},[5237,15081,5263],{"class":5262},[5237,15083,5105],{"class":5251},[5237,15085,5102],{"class":5255},[5237,15087,5259],{"class":5251},[5237,15089,5263],{"class":5262},[5237,15091,5354],{"class":5251},[5237,15093,15094,15096,15098,15100,15102,15104,15106,15108],{"class":5239,"line":5490},[5237,15095,8286],{"class":5243},[5237,15097,5252],{"class":5251},[5237,15099,5445],{"class":5255},[5237,15101,5105],{"class":5251},[5237,15103,5102],{"class":5255},[5237,15105,5105],{"class":5251},[5237,15107,12896],{"class":5597},[5237,15109,5375],{"class":5251},[5237,15111,15112],{"class":5239,"line":5498},[5237,15113,5468],{"class":5251},[5237,15115,15116],{"class":5239,"line":5519},[5237,15117,5474],{"class":5251},[5237,15119,15120],{"class":5239,"line":5542},[5237,15121,5481],{"emptyLinePlaceholder":5480},[5237,15123,15124,15126,15129,15131,15133],{"class":5239,"line":5556},[5237,15125,8256],{"class":5243},[5237,15127,15128],{"class":5262}," InsufficientFundsError",[5237,15130,8262],{"class":5243},[5237,15132,15063],{"class":5262},[5237,15134,5272],{"class":5251},[5237,15136,15137,15139,15141,15143,15145,15148,15150,15152,15154,15156,15158,15161,15163,15165],{"class":5239,"line":5584},[5237,15138,8271],{"class":5243},[5237,15140,5252],{"class":5251},[5237,15142,12867],{"class":5243},[5237,15144,12683],{"class":5243},[5237,15146,15147],{"class":5255}," balance",[5237,15149,5259],{"class":5251},[5237,15151,6393],{"class":5262},[5237,15153,5105],{"class":5251},[5237,15155,12867],{"class":5243},[5237,15157,12683],{"class":5243},[5237,15159,15160],{"class":5255}," required",[5237,15162,5259],{"class":5251},[5237,15164,6393],{"class":5262},[5237,15166,5354],{"class":5251},[5237,15168,15169,15171],{"class":5239,"line":5603},[5237,15170,8286],{"class":5243},[5237,15172,9761],{"class":5251},[5237,15174,15175,15178,15180,15183,15185,15188,15190,15193,15195,15197],{"class":5239,"line":5963},[5237,15176,15177],{"class":5371},"      `Недостатньо коштів: баланс ",[5237,15179,6454],{"class":5243},[5237,15181,15182],{"class":5255},"balance",[5237,15184,6459],{"class":5243},[5237,15186,15187],{"class":5371},", потрібно ",[5237,15189,6454],{"class":5243},[5237,15191,15192],{"class":5255},"required",[5237,15194,6459],{"class":5243},[5237,15196,10481],{"class":5371},[5237,15198,6783],{"class":5251},[5237,15200,15201],{"class":5239,"line":5969},[5237,15202,15203],{"class":5371},"      'INSUFFICIENT_FUNDS'\n",[5237,15205,15206],{"class":5239,"line":5975},[5237,15207,15208],{"class":5251},"    );\n",[5237,15210,15211],{"class":5239,"line":5980},[5237,15212,5468],{"class":5251},[5237,15214,15215],{"class":5239,"line":5986},[5237,15216,5474],{"class":5251},[5237,15218,15219],{"class":5239,"line":5992},[5237,15220,5481],{"emptyLinePlaceholder":5480},[5237,15222,15223,15225,15228,15230,15232],{"class":5239,"line":5997},[5237,15224,8256],{"class":5243},[5237,15226,15227],{"class":5262}," AccountLockedError",[5237,15229,8262],{"class":5243},[5237,15231,15063],{"class":5262},[5237,15233,5272],{"class":5251},[5237,15235,15236,15238,15240,15242,15244,15246,15248,15250],{"class":5239,"line":6003},[5237,15237,8271],{"class":5243},[5237,15239,5252],{"class":5251},[5237,15241,12867],{"class":5243},[5237,15243,12683],{"class":5243},[5237,15245,10097],{"class":5255},[5237,15247,5259],{"class":5251},[5237,15249,5263],{"class":5262},[5237,15251,5354],{"class":5251},[5237,15253,15254,15256,15258,15261,15263,15265,15267,15269,15271,15274],{"class":5239,"line":6771},[5237,15255,8286],{"class":5243},[5237,15257,5252],{"class":5251},[5237,15259,15260],{"class":5371},"`Обліковий запис заблоковано: ",[5237,15262,6454],{"class":5243},[5237,15264,9410],{"class":5255},[5237,15266,6459],{"class":5243},[5237,15268,10481],{"class":5371},[5237,15270,5105],{"class":5251},[5237,15272,15273],{"class":5371},"'ACCOUNT_LOCKED'",[5237,15275,5375],{"class":5251},[5237,15277,15278],{"class":5239,"line":6786},[5237,15279,5468],{"class":5251},[5237,15281,15282],{"class":5239,"line":6801},[5237,15283,5474],{"class":5251},[5237,15285,15286],{"class":5239,"line":6816},[5237,15287,5481],{"emptyLinePlaceholder":5480},[5237,15289,15290],{"class":5239,"line":6853},[5237,15291,15292],{"class":5313},"\u002F\u002F Помилки інфраструктурного рівня\n",[5237,15294,15295,15297,15300,15302,15304],{"class":5239,"line":6859},[5237,15296,8256],{"class":5243},[5237,15298,15299],{"class":5262}," InfrastructureError",[5237,15301,8262],{"class":5243},[5237,15303,14926],{"class":5262},[5237,15305,5272],{"class":5251},[5237,15307,15308,15310,15312,15314,15316,15318,15320,15322,15324,15326],{"class":5239,"line":6864},[5237,15309,8271],{"class":5243},[5237,15311,5252],{"class":5251},[5237,15313,5445],{"class":5255},[5237,15315,5259],{"class":5251},[5237,15317,5263],{"class":5262},[5237,15319,5105],{"class":5251},[5237,15321,5102],{"class":5255},[5237,15323,5259],{"class":5251},[5237,15325,5263],{"class":5262},[5237,15327,5354],{"class":5251},[5237,15329,15330,15332,15334,15336,15338,15340,15342,15345],{"class":5239,"line":6870},[5237,15331,8286],{"class":5243},[5237,15333,5252],{"class":5251},[5237,15335,5445],{"class":5255},[5237,15337,5105],{"class":5251},[5237,15339,5102],{"class":5255},[5237,15341,5105],{"class":5251},[5237,15343,15344],{"class":5597},"503",[5237,15346,5375],{"class":5251},[5237,15348,15349],{"class":5239,"line":6915},[5237,15350,5468],{"class":5251},[5237,15352,15353],{"class":5239,"line":6927},[5237,15354,5474],{"class":5251},[5237,15356,15357],{"class":5239,"line":6941},[5237,15358,5481],{"emptyLinePlaceholder":5480},[5237,15360,15361,15363,15366,15368,15370],{"class":5239,"line":6947},[5237,15362,8256],{"class":5243},[5237,15364,15365],{"class":5262}," DatabaseConnectionError",[5237,15367,8262],{"class":5243},[5237,15369,15299],{"class":5262},[5237,15371,5272],{"class":5251},[5237,15373,15374,15376,15378,15380,15382,15385,15387,15389,15391,15393,15395,15398,15400,15402],{"class":5239,"line":6953},[5237,15375,8271],{"class":5243},[5237,15377,5252],{"class":5251},[5237,15379,12867],{"class":5243},[5237,15381,12683],{"class":5243},[5237,15383,15384],{"class":5255}," host",[5237,15386,5259],{"class":5251},[5237,15388,5263],{"class":5262},[5237,15390,5105],{"class":5251},[5237,15392,12867],{"class":5243},[5237,15394,12683],{"class":5243},[5237,15396,15397],{"class":5255}," originalError",[5237,15399,5259],{"class":5251},[5237,15401,6408],{"class":5262},[5237,15403,5354],{"class":5251},[5237,15405,15406,15408,15410,15413,15415,15417,15419,15421,15423,15426],{"class":5239,"line":6972},[5237,15407,8286],{"class":5243},[5237,15409,5252],{"class":5251},[5237,15411,15412],{"class":5371},"`Не вдалося підключитися до БД ",[5237,15414,6454],{"class":5243},[5237,15416,8433],{"class":5255},[5237,15418,6459],{"class":5243},[5237,15420,10481],{"class":5371},[5237,15422,5105],{"class":5251},[5237,15424,15425],{"class":5371},"'DB_CONNECTION_ERROR'",[5237,15427,5375],{"class":5251},[5237,15429,15430],{"class":5239,"line":6978},[5237,15431,5468],{"class":5251},[5237,15433,15434],{"class":5239,"line":6984},[5237,15435,5474],{"class":5251},[5237,15437,15438],{"class":5239,"line":6989},[5237,15439,5481],{"emptyLinePlaceholder":5480},[5237,15441,15442,15444,15447,15449,15451],{"class":5239,"line":6994},[5237,15443,8256],{"class":5243},[5237,15445,15446],{"class":5262}," ExternalServiceError",[5237,15448,8262],{"class":5243},[5237,15450,15299],{"class":5262},[5237,15452,5272],{"class":5251},[5237,15454,15455,15457,15459,15461,15463,15466,15468,15470,15472,15474,15476,15478,15480,15482],{"class":5239,"line":6999},[5237,15456,8271],{"class":5243},[5237,15458,5252],{"class":5251},[5237,15460,12867],{"class":5243},[5237,15462,12683],{"class":5243},[5237,15464,15465],{"class":5255}," service",[5237,15467,5259],{"class":5251},[5237,15469,5263],{"class":5262},[5237,15471,5105],{"class":5251},[5237,15473,12867],{"class":5243},[5237,15475,12683],{"class":5243},[5237,15477,12701],{"class":5255},[5237,15479,5259],{"class":5251},[5237,15481,6393],{"class":5262},[5237,15483,5354],{"class":5251},[5237,15485,15486,15488,15490,15493,15495,15498,15500,15503,15505,15508],{"class":5239,"line":7004},[5237,15487,8286],{"class":5243},[5237,15489,5252],{"class":5251},[5237,15491,15492],{"class":5371},"`Зовнішній сервіс ",[5237,15494,6454],{"class":5243},[5237,15496,15497],{"class":5255},"service",[5237,15499,6459],{"class":5243},[5237,15501,15502],{"class":5371}," недоступний`",[5237,15504,5105],{"class":5251},[5237,15506,15507],{"class":5371},"'EXTERNAL_SERVICE_ERROR'",[5237,15509,5375],{"class":5251},[5237,15511,15512],{"class":5239,"line":7029},[5237,15513,5468],{"class":5251},[5237,15515,15516],{"class":5239,"line":7040},[5237,15517,5474],{"class":5251},[5237,15519,15520],{"class":5239,"line":7064},[5237,15521,5481],{"emptyLinePlaceholder":5480},[5237,15523,15524],{"class":5239,"line":7080},[5237,15525,15526],{"class":5313},"\u002F\u002F Використання у банківському сервісі\n",[5237,15528,15529,15531,15534],{"class":5239,"line":7087},[5237,15530,8256],{"class":5243},[5237,15532,15533],{"class":5262}," BankingService",[5237,15535,5272],{"class":5251},[5237,15537,15538,15540,15543,15545,15548,15550,15552,15554,15557,15559,15561,15563,15566,15568,15570,15572,15574,15576,15578],{"class":5239,"line":7092},[5237,15539,13289],{"class":5243},[5237,15541,15542],{"class":5247}," transferMoney",[5237,15544,5252],{"class":5251},[5237,15546,15547],{"class":5255},"fromAccountId",[5237,15549,5259],{"class":5251},[5237,15551,5263],{"class":5262},[5237,15553,5105],{"class":5251},[5237,15555,15556],{"class":5255},"toAccountId",[5237,15558,5259],{"class":5251},[5237,15560,5263],{"class":5262},[5237,15562,5105],{"class":5251},[5237,15564,15565],{"class":5255},"amount",[5237,15567,5259],{"class":5251},[5237,15569,6393],{"class":5262},[5237,15571,5266],{"class":5251},[5237,15573,7231],{"class":5262},[5237,15575,7234],{"class":5251},[5237,15577,6435],{"class":5262},[5237,15579,7239],{"class":5251},[5237,15581,15582,15584,15587,15589,15591,15593,15595,15598,15600,15602],{"class":5239,"line":7097},[5237,15583,5287],{"class":5243},[5237,15585,15586],{"class":5290}," fromAccount",[5237,15588,5294],{"class":5251},[5237,15590,6016],{"class":5278},[5237,15592,13592],{"class":5243},[5237,15594,5300],{"class":5251},[5237,15596,15597],{"class":5247},"getAccount",[5237,15599,5252],{"class":5251},[5237,15601,15547],{"class":5255},[5237,15603,5375],{"class":5251},[5237,15605,15606],{"class":5239,"line":7117},[5237,15607,5320],{"class":5251},[5237,15609,15610],{"class":5239,"line":8893},[5237,15611,15612],{"class":5313},"    \u002F\u002F Перевірка блокування\n",[5237,15614,15615,15617,15619,15622,15624,15627],{"class":5239,"line":8898},[5237,15616,5326],{"class":5278},[5237,15618,5409],{"class":5251},[5237,15620,15621],{"class":5255},"fromAccount",[5237,15623,5300],{"class":5251},[5237,15625,15626],{"class":5255},"isLocked",[5237,15628,5354],{"class":5251},[5237,15630,15631,15633,15635,15637,15639,15642],{"class":5239,"line":8903},[5237,15632,5360],{"class":5278},[5237,15634,5363],{"class":5243},[5237,15636,15227],{"class":5247},[5237,15638,5252],{"class":5251},[5237,15640,15641],{"class":5371},"'Підозріла активність'",[5237,15643,5375],{"class":5251},[5237,15645,15646],{"class":5239,"line":8938},[5237,15647,5381],{"class":5251},[5237,15649,15650],{"class":5239,"line":8962},[5237,15651,5320],{"class":5251},[5237,15653,15654],{"class":5239,"line":8996},[5237,15655,15656],{"class":5313},"    \u002F\u002F Перевірка балансу\n",[5237,15658,15659,15661,15663,15665,15667,15669,15671,15673],{"class":5239,"line":10486},[5237,15660,5326],{"class":5278},[5237,15662,5409],{"class":5251},[5237,15664,15621],{"class":5255},[5237,15666,5300],{"class":5251},[5237,15668,15182],{"class":5255},[5237,15670,8482],{"class":5251},[5237,15672,15565],{"class":5255},[5237,15674,5354],{"class":5251},[5237,15676,15677,15679,15681,15683,15685,15687,15689,15691,15693,15695],{"class":5239,"line":11407},[5237,15678,5360],{"class":5278},[5237,15680,5363],{"class":5243},[5237,15682,15128],{"class":5247},[5237,15684,5252],{"class":5251},[5237,15686,15621],{"class":5255},[5237,15688,5300],{"class":5251},[5237,15690,15182],{"class":5255},[5237,15692,5105],{"class":5251},[5237,15694,15565],{"class":5255},[5237,15696,5375],{"class":5251},[5237,15698,15699],{"class":5239,"line":14021},[5237,15700,5381],{"class":5251},[5237,15702,15703],{"class":5239,"line":14037},[5237,15704,5320],{"class":5251},[5237,15706,15707,15709],{"class":5239,"line":14042},[5237,15708,6535],{"class":5278},[5237,15710,5272],{"class":5251},[5237,15712,15713],{"class":5239,"line":14061},[5237,15714,15715],{"class":5313},"      \u002F\u002F Виконуємо транзакцію\n",[5237,15717,15718,15720,15722,15724,15727,15729,15731,15733,15735,15737,15739],{"class":5239,"line":14066},[5237,15719,8684],{"class":5278},[5237,15721,13592],{"class":5243},[5237,15723,5300],{"class":5251},[5237,15725,15726],{"class":5247},"executeTransaction",[5237,15728,5252],{"class":5251},[5237,15730,15547],{"class":5255},[5237,15732,5105],{"class":5251},[5237,15734,15556],{"class":5255},[5237,15736,5105],{"class":5251},[5237,15738,15565],{"class":5255},[5237,15740,5375],{"class":5251},[5237,15742,15743,15745,15747,15749,15751],{"class":5239,"line":14103},[5237,15744,6561],{"class":5251},[5237,15746,5406],{"class":5278},[5237,15748,5409],{"class":5251},[5237,15750,5412],{"class":5255},[5237,15752,5354],{"class":5251},[5237,15754,15755,15757,15759,15761,15763,15765,15767,15769,15771,15774],{"class":5239,"line":14110},[5237,15756,6646],{"class":5278},[5237,15758,8625],{"class":5251},[5237,15760,5412],{"class":5255},[5237,15762,5437],{"class":5278},[5237,15764,14664],{"class":5262},[5237,15766,5442],{"class":5251},[5237,15768,5102],{"class":5255},[5237,15770,8644],{"class":5251},[5237,15772,15773],{"class":5371},"'ECONNREFUSED'",[5237,15775,5354],{"class":5251},[5237,15777,15778,15781,15783,15785,15787,15790,15792,15794,15796,15798],{"class":5239,"line":14155},[5237,15779,15780],{"class":5278},"        throw",[5237,15782,5363],{"class":5243},[5237,15784,15365],{"class":5247},[5237,15786,5252],{"class":5251},[5237,15788,15789],{"class":5371},"'postgres-primary'",[5237,15791,5105],{"class":5251},[5237,15793,5412],{"class":5255},[5237,15795,5437],{"class":5278},[5237,15797,5366],{"class":5262},[5237,15799,5375],{"class":5251},[5237,15801,15802],{"class":5239,"line":14179},[5237,15803,6670],{"class":5251},[5237,15805,15806,15808,15810],{"class":5239,"line":14192},[5237,15807,5360],{"class":5278},[5237,15809,5456],{"class":5255},[5237,15811,5397],{"class":5251},[5237,15813,15814],{"class":5239,"line":14207},[5237,15815,5381],{"class":5251},[5237,15817,15818],{"class":5239,"line":14212},[5237,15819,5468],{"class":5251},[5237,15821,15822],{"class":5239,"line":14217},[5237,15823,6181],{"class":5251},[5237,15825,15826,15828,15831,15834,15836,15838,15840,15842,15844,15846,15848,15850],{"class":5239,"line":14222},[5237,15827,13269],{"class":5243},[5237,15829,15830],{"class":5243}," async",[5237,15832,15833],{"class":5247}," getAccount",[5237,15835,5252],{"class":5251},[5237,15837,5351],{"class":5255},[5237,15839,5259],{"class":5251},[5237,15841,5263],{"class":5262},[5237,15843,5266],{"class":5251},[5237,15845,7231],{"class":5262},[5237,15847,7234],{"class":5251},[5237,15849,5269],{"class":5262},[5237,15851,7239],{"class":5251},[5237,15853,15854],{"class":5239,"line":14257},[5237,15855,15856],{"class":5313},"    \u002F\u002F Заглушка\n",[5237,15858,15859,15861,15863,15865,15867,15870,15873,15875,15878,15881],{"class":5239,"line":14264},[5237,15860,5392],{"class":5278},[5237,15862,5649],{"class":5251},[5237,15864,5351],{"class":5255},[5237,15866,5105],{"class":5251},[5237,15868,15869],{"class":5255},"balance:",[5237,15871,15872],{"class":5597}," 1000",[5237,15874,5105],{"class":5251},[5237,15876,15877],{"class":5255},"isLocked:",[5237,15879,15880],{"class":5243}," false",[5237,15882,15883],{"class":5251}," };\n",[5237,15885,15886],{"class":5239,"line":14301},[5237,15887,5468],{"class":5251},[5237,15889,15890],{"class":5239,"line":14316},[5237,15891,6181],{"class":5251},[5237,15893,15894,15896,15898,15901,15903,15905,15907,15909,15911,15914,15916,15918,15920,15922,15924,15926,15928,15930,15932,15934],{"class":5239,"line":14329},[5237,15895,13269],{"class":5243},[5237,15897,15830],{"class":5243},[5237,15899,15900],{"class":5247}," executeTransaction",[5237,15902,5252],{"class":5251},[5237,15904,5658],{"class":5255},[5237,15906,5259],{"class":5251},[5237,15908,5263],{"class":5262},[5237,15910,5105],{"class":5251},[5237,15912,15913],{"class":5255},"to",[5237,15915,5259],{"class":5251},[5237,15917,5263],{"class":5262},[5237,15919,5105],{"class":5251},[5237,15921,15565],{"class":5255},[5237,15923,5259],{"class":5251},[5237,15925,6393],{"class":5262},[5237,15927,5266],{"class":5251},[5237,15929,7231],{"class":5262},[5237,15931,7234],{"class":5251},[5237,15933,6435],{"class":5262},[5237,15935,7239],{"class":5251},[5237,15937,15938],{"class":5239,"line":14340},[5237,15939,15856],{"class":5313},[5237,15941,15942],{"class":5239,"line":14345},[5237,15943,5468],{"class":5251},[5237,15945,15946],{"class":5239,"line":14350},[5237,15947,5474],{"class":5251},[5203,15949,15950],{},"Така ієрархія дозволяє обробляти помилки на різних рівнях абстракції: доменні помилки обробляються бізнес-логікою, інфраструктурні — через retry-логіку та fallback-механізми.",[5198,15952,15954],{"id":15953},"stack-trace-та-налагодження","Stack Trace та налагодження",[5203,15956,15957,5409,15960,15962],{},[5132,15958,15959],{},"Stack trace",[5114,15961,5195],{},") — це послідовність викликів функцій, що призвели до виникнення помилки. Це найважливіший інструмент для налагодження, оскільки він точно вказує, де саме і як виникла помилка:",[5211,15964,15966],{"id":15965},"структура-stack-trace","Структура stack trace",[5228,15968,15970],{"className":5230,"code":15969,"language":5232,"meta":5233,"style":5233},"const error = new Error('Тестова помилка');\nconsole.error(error.stack);\n",[5102,15971,15972,15991],{"__ignoreMap":5233},[5237,15973,15974,15976,15978,15980,15982,15984,15986,15989],{"class":5239,"line":5240},[5237,15975,9725],{"class":5243},[5237,15977,5456],{"class":5290},[5237,15979,5294],{"class":5251},[5237,15981,10390],{"class":5243},[5237,15983,5366],{"class":5247},[5237,15985,5252],{"class":5251},[5237,15987,15988],{"class":5371},"'Тестова помилка'",[5237,15990,5375],{"class":5251},[5237,15992,15993,15995,15997,15999,16001,16003,16005,16007],{"class":5239,"line":5275},[5237,15994,5809],{"class":5255},[5237,15996,5300],{"class":5251},[5237,15998,5412],{"class":5247},[5237,16000,5252],{"class":5251},[5237,16002,5412],{"class":5255},[5237,16004,5300],{"class":5251},[5237,16006,9150],{"class":5255},[5237,16008,5375],{"class":5251},[9265,16010,16012,16020,16030,16038,16046,16054],{":cursor":9267,"title":16011},"Stack Trace приклад",[9270,16013,16015,16019],{"className":16014},[5239],[5237,16016,16018],{"className":16017},[9296,9282],"Error:"," Тестова помилка",[9270,16021,16023,16024,16029],{"className":16022},[5239],"    at processUser (",[5237,16025,16028],{"className":16026},[16027],"text-blue-400","\u002Fapp\u002Fservices\u002Fuser.service.ts:42:11",")",[9270,16031,16033,16034,16029],{"className":16032},[5239],"    at async UserController.createUser (",[5237,16035,16037],{"className":16036},[16027],"\u002Fapp\u002Fcontrollers\u002Fuser.controller.ts:18:5",[9270,16039,16041,16042,16029],{"className":16040},[5239],"    at async Layer.handle [as handle_request] (",[5237,16043,16045],{"className":16044},[9319],"\u002Fapp\u002Fnode_modules\u002Fexpress\u002Flib\u002Frouter\u002Flayer.js:95:5",[9270,16047,16049,16050,16029],{"className":16048},[5239],"    at async next (",[5237,16051,16053],{"className":16052},[9319],"\u002Fapp\u002Fnode_modules\u002Fexpress\u002Flib\u002Frouter\u002Froute.js:144:13",[9270,16055,16057,16058,16029],{"className":16056},[5239],"    at async Immediate._onImmediate (",[5237,16059,16061],{"className":16060},[9319],"node:internal\u002Ftimers:483:21",[5203,16063,16064],{},"Структура запису stack trace:",[6312,16066,16067,16075],{},[5095,16068,16069,5259,16072,5300],{},[5132,16070,16071],{},"Повідомлення помилки",[5102,16073,16074],{},"Error: Тестова помилка",[5095,16076,16077,16080,16081],{},[5132,16078,16079],{},"Послідовність викликів"," (зверху вниз — від найновішого до найстарішого):\n",[5092,16082,16083,16091,16097],{},[5095,16084,16085,16086,5105,16089,5300],{},"Назва функції: ",[5102,16087,16088],{},"processUser",[5102,16090,14125],{},[5095,16092,16093,16094,5300],{},"Шлях до файлу: ",[5102,16095,16096],{},"\u002Fapp\u002Fservices\u002Fuser.service.ts",[5095,16098,16099,16100,5300],{},"Номер рядка та стовпця: ",[5102,16101,16102],{},":42:11",[5211,16104,16106],{"id":16105},"покращення-читабельності-stack-trace","Покращення читабельності stack trace",[5203,16108,16109,16110,16113],{},"Стандартний stack trace може бути важким для читання у production-застосунках через мініфікацію та транспіляцію TypeScript → JavaScript. Використовуйте ",[5132,16111,16112],{},"source maps"," для мапування скомпільованого коду на оригінальний:",[5228,16115,16117],{"className":5230,"code":16116,"language":5232,"meta":5233,"style":5233},"\u002F\u002F tsconfig.json\n{\n  \"compilerOptions\": {\n    \"sourceMap\": true,  \u002F\u002F Генерувати .map файли\n    \"inlineSourceMap\": false,\n    \"inlineSources\": true\n  }\n}\n",[5102,16118,16119,16124,16129,16137,16152,16163,16173,16177],{"__ignoreMap":5233},[5237,16120,16121],{"class":5239,"line":5240},[5237,16122,16123],{"class":5313},"\u002F\u002F tsconfig.json\n",[5237,16125,16126],{"class":5239,"line":5275},[5237,16127,16128],{"class":5251},"{\n",[5237,16130,16131,16134],{"class":5239,"line":5284},[5237,16132,16133],{"class":5371},"  \"compilerOptions\"",[5237,16135,16136],{"class":5251},": {\n",[5237,16138,16139,16142,16144,16146,16149],{"class":5239,"line":5317},[5237,16140,16141],{"class":5371},"    \"sourceMap\"",[5237,16143,5226],{"class":5255},[5237,16145,9792],{"class":5243},[5237,16147,16148],{"class":5251},",  ",[5237,16150,16151],{"class":5313},"\u002F\u002F Генерувати .map файли\n",[5237,16153,16154,16157,16159,16161],{"class":5239,"line":5323},[5237,16155,16156],{"class":5371},"    \"inlineSourceMap\"",[5237,16158,5226],{"class":5255},[5237,16160,15880],{"class":5243},[5237,16162,6783],{"class":5251},[5237,16164,16165,16168,16170],{"class":5239,"line":5357},[5237,16166,16167],{"class":5371},"    \"inlineSources\"",[5237,16169,5226],{"class":5255},[5237,16171,16172],{"class":5243}," true\n",[5237,16174,16175],{"class":5239,"line":5378},[5237,16176,5468],{"class":5251},[5237,16178,16179],{"class":5239,"line":5384},[5237,16180,5474],{"class":5251},[5228,16182,16184],{"className":5230,"code":16183,"language":5232,"meta":5233,"style":5233},"\u002F\u002F Увімкнення підтримки source maps у Node.js (Node.js 12.12+)\n\u002F\u002F node --enable-source-maps dist\u002Fserver.js\n",[5102,16185,16186,16191],{"__ignoreMap":5233},[5237,16187,16188],{"class":5239,"line":5240},[5237,16189,16190],{"class":5313},"\u002F\u002F Увімкнення підтримки source maps у Node.js (Node.js 12.12+)\n",[5237,16192,16193],{"class":5239,"line":5275},[5237,16194,16195],{"class":5313},"\u002F\u002F node --enable-source-maps dist\u002Fserver.js\n",[5203,16197,16198],{},"Для автоматичного увімкнення source maps у застосунку:",[5228,16200,16202],{"className":5230,"code":16201,"language":5232,"meta":5233,"style":5233},"import 'source-map-support\u002Fregister'; \u002F\u002F На самому початку entry point\n\n\u002F\u002F Тепер всі stack trace показуватимуть оригінальні TypeScript файли\n",[5102,16203,16204,16216,16220],{"__ignoreMap":5233},[5237,16205,16206,16208,16211,16213],{"class":5239,"line":5240},[5237,16207,5646],{"class":5278},[5237,16209,16210],{"class":5371}," 'source-map-support\u002Fregister'",[5237,16212,5459],{"class":5251},[5237,16214,16215],{"class":5313},"\u002F\u002F На самому початку entry point\n",[5237,16217,16218],{"class":5239,"line":5275},[5237,16219,5481],{"emptyLinePlaceholder":5480},[5237,16221,16222],{"class":5239,"line":5284},[5237,16223,16224],{"class":5313},"\u002F\u002F Тепер всі stack trace показуватимуть оригінальні TypeScript файли\n",[5211,16226,16228],{"id":16227},"логування-stack-trace-з-контекстом","Логування stack trace з контекстом",[5228,16230,16232],{"className":5230,"code":16231,"language":5232,"meta":5233,"style":5233},"class ErrorLogger {\n  static log(error: Error, context?: Record\u003Cstring, any>): void {\n    const errorInfo = {\n      timestamp: new Date().toISOString(),\n      name: error.name,\n      message: error.message,\n      stack: error.stack?.split('\\n').map((line) => line.trim()),\n      context,\n    };\n    \n    console.error(JSON.stringify(errorInfo, null, 2));\n  }\n}\n\n\u002F\u002F Використання\nasync function processPayment(orderId: string, amount: number): Promise\u003Cvoid> {\n  try {\n    await chargeCard(amount);\n  } catch (error) {\n    ErrorLogger.log(error as Error, {\n      operation: 'processPayment',\n      orderId,\n      amount,\n      userId: 'user-123',\n    });\n    throw error;\n  }\n}\n",[5102,16233,16234,16243,16284,16293,16308,16320,16333,16382,16389,16393,16397,16428,16432,16436,16440,16444,16480,16486,16499,16511,16530,16540,16547,16554,16564,16568,16576,16580],{"__ignoreMap":5233},[5237,16235,16236,16238,16241],{"class":5239,"line":5240},[5237,16237,8256],{"class":5243},[5237,16239,16240],{"class":5262}," ErrorLogger",[5237,16242,5272],{"class":5251},[5237,16244,16245,16248,16251,16253,16255,16257,16259,16261,16264,16266,16269,16271,16273,16275,16277,16280,16282],{"class":5239,"line":5275},[5237,16246,16247],{"class":5243},"  static",[5237,16249,16250],{"class":5247}," log",[5237,16252,5252],{"class":5251},[5237,16254,5412],{"class":5255},[5237,16256,5259],{"class":5251},[5237,16258,6408],{"class":5262},[5237,16260,5105],{"class":5251},[5237,16262,16263],{"class":5255},"context",[5237,16265,6421],{"class":5251},[5237,16267,16268],{"class":5262},"Record",[5237,16270,7234],{"class":5251},[5237,16272,5263],{"class":5262},[5237,16274,5105],{"class":5251},[5237,16276,5269],{"class":5262},[5237,16278,16279],{"class":5251},">): ",[5237,16281,6435],{"class":5262},[5237,16283,5272],{"class":5251},[5237,16285,16286,16288,16291],{"class":5239,"line":5284},[5237,16287,5287],{"class":5243},[5237,16289,16290],{"class":5290}," errorInfo",[5237,16292,6768],{"class":5251},[5237,16294,16295,16298,16300,16302,16304,16306],{"class":5239,"line":5317},[5237,16296,16297],{"class":5255},"      timestamp:",[5237,16299,5363],{"class":5243},[5237,16301,9953],{"class":5247},[5237,16303,9956],{"class":5251},[5237,16305,9959],{"class":5247},[5237,16307,9774],{"class":5251},[5237,16309,16310,16312,16314,16316,16318],{"class":5239,"line":5323},[5237,16311,8875],{"class":5255},[5237,16313,5456],{"class":5255},[5237,16315,5300],{"class":5251},[5237,16317,6257],{"class":5255},[5237,16319,6783],{"class":5251},[5237,16321,16322,16325,16327,16329,16331],{"class":5239,"line":5357},[5237,16323,16324],{"class":5255},"      message:",[5237,16326,5456],{"class":5255},[5237,16328,5300],{"class":5251},[5237,16330,5445],{"class":5255},[5237,16332,6783],{"class":5251},[5237,16334,16335,16338,16340,16342,16344,16346,16349,16351,16354,16356,16358,16360,16363,16365,16367,16369,16371,16374,16376,16379],{"class":5239,"line":5378},[5237,16336,16337],{"class":5255},"      stack:",[5237,16339,5456],{"class":5255},[5237,16341,5300],{"class":5251},[5237,16343,9150],{"class":5255},[5237,16345,14435],{"class":5251},[5237,16347,16348],{"class":5247},"split",[5237,16350,5252],{"class":5251},[5237,16352,16353],{"class":5371},"'",[5237,16355,10884],{"class":10883},[5237,16357,16353],{"class":5371},[5237,16359,5442],{"class":5251},[5237,16361,16362],{"class":5247},"map",[5237,16364,7277],{"class":5251},[5237,16366,5239],{"class":5255},[5237,16368,5705],{"class":5251},[5237,16370,5708],{"class":5243},[5237,16372,16373],{"class":5255}," line",[5237,16375,5300],{"class":5251},[5237,16377,16378],{"class":5247},"trim",[5237,16380,16381],{"class":5251},"()),\n",[5237,16383,16384,16387],{"class":5239,"line":5384},[5237,16385,16386],{"class":5255},"      context",[5237,16388,6783],{"class":5251},[5237,16390,16391],{"class":5239,"line":5389},[5237,16392,7948],{"class":5251},[5237,16394,16395],{"class":5239,"line":5400},[5237,16396,5320],{"class":5251},[5237,16398,16399,16401,16403,16405,16407,16409,16411,16413,16415,16418,16420,16422,16424,16426],{"class":5239,"line":5417},[5237,16400,5420],{"class":5255},[5237,16402,5300],{"class":5251},[5237,16404,5412],{"class":5247},[5237,16406,5252],{"class":5251},[5237,16408,5297],{"class":5290},[5237,16410,5300],{"class":5251},[5237,16412,6887],{"class":5247},[5237,16414,5252],{"class":5251},[5237,16416,16417],{"class":5255},"errorInfo",[5237,16419,5105],{"class":5251},[5237,16421,6049],{"class":5243},[5237,16423,5105],{"class":5251},[5237,16425,6900],{"class":5597},[5237,16427,7986],{"class":5251},[5237,16429,16430],{"class":5239,"line":5450},[5237,16431,5468],{"class":5251},[5237,16433,16434],{"class":5239,"line":5465},[5237,16435,5474],{"class":5251},[5237,16437,16438],{"class":5239,"line":5471},[5237,16439,5481],{"emptyLinePlaceholder":5480},[5237,16441,16442],{"class":5239,"line":5477},[5237,16443,5487],{"class":5313},[5237,16445,16446,16448,16450,16453,16455,16458,16460,16462,16464,16466,16468,16470,16472,16474,16476,16478],{"class":5239,"line":5484},[5237,16447,5160],{"class":5243},[5237,16449,7751],{"class":5243},[5237,16451,16452],{"class":5247}," processPayment",[5237,16454,5252],{"class":5251},[5237,16456,16457],{"class":5255},"orderId",[5237,16459,5259],{"class":5251},[5237,16461,5263],{"class":5262},[5237,16463,5105],{"class":5251},[5237,16465,15565],{"class":5255},[5237,16467,5259],{"class":5251},[5237,16469,6393],{"class":5262},[5237,16471,5266],{"class":5251},[5237,16473,7231],{"class":5262},[5237,16475,7234],{"class":5251},[5237,16477,6435],{"class":5262},[5237,16479,7239],{"class":5251},[5237,16481,16482,16484],{"class":5239,"line":5490},[5237,16483,5279],{"class":5278},[5237,16485,5272],{"class":5251},[5237,16487,16488,16490,16493,16495,16497],{"class":5239,"line":5498},[5237,16489,7957],{"class":5278},[5237,16491,16492],{"class":5247}," chargeCard",[5237,16494,5252],{"class":5251},[5237,16496,15565],{"class":5255},[5237,16498,5375],{"class":5251},[5237,16500,16501,16503,16505,16507,16509],{"class":5239,"line":5519},[5237,16502,5403],{"class":5251},[5237,16504,5406],{"class":5278},[5237,16506,5409],{"class":5251},[5237,16508,5412],{"class":5255},[5237,16510,5354],{"class":5251},[5237,16512,16513,16516,16518,16520,16522,16524,16526,16528],{"class":5239,"line":5542},[5237,16514,16515],{"class":5255},"    ErrorLogger",[5237,16517,5300],{"class":5251},[5237,16519,5527],{"class":5247},[5237,16521,5252],{"class":5251},[5237,16523,5412],{"class":5255},[5237,16525,5437],{"class":5278},[5237,16527,5366],{"class":5262},[5237,16529,9917],{"class":5251},[5237,16531,16532,16535,16538],{"class":5239,"line":5556},[5237,16533,16534],{"class":5255},"      operation:",[5237,16536,16537],{"class":5371}," 'processPayment'",[5237,16539,6783],{"class":5251},[5237,16541,16542,16545],{"class":5239,"line":5584},[5237,16543,16544],{"class":5255},"      orderId",[5237,16546,6783],{"class":5251},[5237,16548,16549,16552],{"class":5239,"line":5603},[5237,16550,16551],{"class":5255},"      amount",[5237,16553,6783],{"class":5251},[5237,16555,16556,16559,16562],{"class":5239,"line":5963},[5237,16557,16558],{"class":5255},"      userId:",[5237,16560,16561],{"class":5371}," 'user-123'",[5237,16563,6783],{"class":5251},[5237,16565,16566],{"class":5239,"line":5969},[5237,16567,6981],{"class":5251},[5237,16569,16570,16572,16574],{"class":5239,"line":5975},[5237,16571,5453],{"class":5278},[5237,16573,5456],{"class":5255},[5237,16575,5397],{"class":5251},[5237,16577,16578],{"class":5239,"line":5980},[5237,16579,5468],{"class":5251},[5237,16581,16582],{"class":5239,"line":5986},[5237,16583,5474],{"class":5251},[9265,16585,16587,16591,16604,16615,16626,16634,16642,16649,16653,16661,16672,16683,16694,16705,16709],{":cursor":9267,"title":16586},"Структуроване логування помилок",[9270,16588,16590],{"className":16589},[5239],"{",[9270,16592,16594,16595,5259,16599,16603],{"className":16593},[5239],"  ",[5237,16596,16598],{"className":16597},[16027],"\"timestamp\"",[5237,16600,16602],{"className":16601},[11429],"\"2026-09-03T14:23:45.123Z\"",",",[9270,16605,16594,16607,5259,16611,16603],{"className":16606},[5239],[5237,16608,16610],{"className":16609},[16027],"\"name\"",[5237,16612,16614],{"className":16613},[11429],"\"PaymentError\"",[9270,16616,16594,16618,5259,16622,16603],{"className":16617},[5239],[5237,16619,16621],{"className":16620},[16027],"\"message\"",[5237,16623,16625],{"className":16624},[9296],"\"Card declined\"",[9270,16627,16594,16629,16633],{"className":16628},[5239],[5237,16630,16632],{"className":16631},[16027],"\"stack\"",": [",[9270,16635,16637,16638,16603],{"className":16636},[5239],"    ",[5237,16639,16641],{"className":16640},[11429],"\"at chargeCard (\u002Fapp\u002Fpayment.service.ts:58:11)\"",[9270,16643,16637,16645],{"className":16644},[5239],[5237,16646,16648],{"className":16647},[11429],"\"at processPayment (\u002Fapp\u002Forder.service.ts:42:5)\"",[9270,16650,16652],{"className":16651},[5239],"  ],",[9270,16654,16594,16656,16660],{"className":16655},[5239],[5237,16657,16659],{"className":16658},[16027],"\"context\"",": {",[9270,16662,16637,16664,5259,16668,16603],{"className":16663},[5239],[5237,16665,16667],{"className":16666},[16027],"\"operation\"",[5237,16669,16671],{"className":16670},[11429],"\"processPayment\"",[9270,16673,16637,16675,5259,16679,16603],{"className":16674},[5239],[5237,16676,16678],{"className":16677},[16027],"\"orderId\"",[5237,16680,16682],{"className":16681},[11429],"\"ord_abc123\"",[9270,16684,16637,16686,5259,16690,16603],{"className":16685},[5239],[5237,16687,16689],{"className":16688},[16027],"\"amount\"",[5237,16691,16693],{"className":16692},[11451],"99.99",[9270,16695,16637,16697,5259,16701],{"className":16696},[5239],[5237,16698,16700],{"className":16699},[16027],"\"userId\"",[5237,16702,16704],{"className":16703},[11429],"\"user-123\"",[9270,16706,16708],{"className":16707},[5239],"  }",[9270,16710,6459],{"className":16711},[5239],[5203,16713,16714],{},"Структуроване логування з контекстом значно спрощує налагодження у production, оскільки надає всю необхідну інформацію для відтворення проблеми.",[5198,16716,16718],{"id":16717},"best-practices-принципи-проєктування-надійних-систем","Best Practices: принципи проєктування надійних систем",[5211,16720,16722],{"id":16721},"_1-розмежовуйте-операційні-та-програмні-помилки","1. Розмежовуйте операційні та програмні помилки",[5203,16724,16725,5409,16728,16731],{},[5132,16726,16727],{},"Операційні помилки",[5114,16729,16730],{},"operational errors",") є очікуваними та повинні оброблятися у межах бізнес-логіки:",[5092,16733,16734,16737,16740,16743],{},[5095,16735,16736],{},"Недійсні дані від користувача (валідація).",[5095,16738,16739],{},"Ресурс не знайдено (404).",[5095,16741,16742],{},"Недостатньо прав доступу (403).",[5095,16744,16745],{},"Тимчасова недоступність зовнішнього сервісу.",[5203,16747,16748,5409,16751,16754],{},[5132,16749,16750],{},"Програмні помилки",[5114,16752,16753],{},"programmer errors",") є багами у коді та потребують виправлення:",[5092,16756,16757,16762,16767,16770],{},[5095,16758,16759,5300],{},[5102,16760,16761],{},"TypeError: Cannot read property 'x' of undefined",[5095,16763,16764,5300],{},[5102,16765,16766],{},"ReferenceError: variable is not defined",[5095,16768,16769],{},"Некоректна логіка (ділення на нуль, нескінченний цикл).",[5095,16771,16772],{},"Порушення інваріантів (неможливий стан).",[5228,16774,16776],{"className":5230,"code":16775,"language":5232,"meta":5233,"style":5233},"class OperationalError extends Error {\n  readonly isOperational = true;\n  \n  constructor(message: string, public readonly statusCode: number = 500) {\n    super(message);\n    this.name = 'OperationalError';\n  }\n}\n\nclass ProgrammerError extends Error {\n  readonly isOperational = false;\n  \n  constructor(message: string) {\n    super(message);\n    this.name = 'ProgrammerError';\n  }\n}\n\n\u002F\u002F Централізований обробник\nfunction handleError(error: Error): void {\n  if ((error as any).isOperational) {\n    \u002F\u002F Операційна помилка — логуємо та продовжуємо\n    console.error('Operational Error:', error.message);\n  } else {\n    \u002F\u002F Програмна помилка — логуємо, сповіщаємо команду та перезапускаємо\n    console.error('Programmer Error (BUG):', error.stack);\n    \u002F\u002F Надіслати в Sentry, PagerDuty тощо\n    process.exit(1);\n  }\n}\n",[5102,16777,16778,16791,16805,16809,16839,16849,16864,16868,16872,16876,16889,16901,16905,16919,16929,16944,16948,16952,16956,16961,16982,17000,17005,17028,17036,17041,17064,17069,17083,17087],{"__ignoreMap":5233},[5237,16779,16780,16782,16785,16787,16789],{"class":5239,"line":5240},[5237,16781,8256],{"class":5243},[5237,16783,16784],{"class":5262}," OperationalError",[5237,16786,8262],{"class":5243},[5237,16788,5366],{"class":5262},[5237,16790,5272],{"class":5251},[5237,16792,16793,16796,16798,16800,16803],{"class":5239,"line":5275},[5237,16794,16795],{"class":5243},"  readonly",[5237,16797,12720],{"class":5255},[5237,16799,5294],{"class":5251},[5237,16801,16802],{"class":5243},"true",[5237,16804,5397],{"class":5251},[5237,16806,16807],{"class":5239,"line":5284},[5237,16808,6181],{"class":5251},[5237,16810,16811,16813,16815,16817,16819,16821,16823,16825,16827,16829,16831,16833,16835,16837],{"class":5239,"line":5317},[5237,16812,8271],{"class":5243},[5237,16814,5252],{"class":5251},[5237,16816,5445],{"class":5255},[5237,16818,5259],{"class":5251},[5237,16820,5263],{"class":5262},[5237,16822,5105],{"class":5251},[5237,16824,12867],{"class":5243},[5237,16826,12683],{"class":5243},[5237,16828,12701],{"class":5255},[5237,16830,5259],{"class":5251},[5237,16832,6393],{"class":5262},[5237,16834,5294],{"class":5251},[5237,16836,12118],{"class":5597},[5237,16838,5354],{"class":5251},[5237,16840,16841,16843,16845,16847],{"class":5239,"line":5323},[5237,16842,8286],{"class":5243},[5237,16844,5252],{"class":5251},[5237,16846,5445],{"class":5255},[5237,16848,5375],{"class":5251},[5237,16850,16851,16853,16855,16857,16859,16862],{"class":5239,"line":5357},[5237,16852,8297],{"class":5243},[5237,16854,5300],{"class":5251},[5237,16856,6257],{"class":5255},[5237,16858,5294],{"class":5251},[5237,16860,16861],{"class":5371},"'OperationalError'",[5237,16863,5397],{"class":5251},[5237,16865,16866],{"class":5239,"line":5378},[5237,16867,5468],{"class":5251},[5237,16869,16870],{"class":5239,"line":5384},[5237,16871,5474],{"class":5251},[5237,16873,16874],{"class":5239,"line":5389},[5237,16875,5481],{"emptyLinePlaceholder":5480},[5237,16877,16878,16880,16883,16885,16887],{"class":5239,"line":5400},[5237,16879,8256],{"class":5243},[5237,16881,16882],{"class":5262}," ProgrammerError",[5237,16884,8262],{"class":5243},[5237,16886,5366],{"class":5262},[5237,16888,5272],{"class":5251},[5237,16890,16891,16893,16895,16897,16899],{"class":5239,"line":5417},[5237,16892,16795],{"class":5243},[5237,16894,12720],{"class":5255},[5237,16896,5294],{"class":5251},[5237,16898,9267],{"class":5243},[5237,16900,5397],{"class":5251},[5237,16902,16903],{"class":5239,"line":5450},[5237,16904,6181],{"class":5251},[5237,16906,16907,16909,16911,16913,16915,16917],{"class":5239,"line":5465},[5237,16908,8271],{"class":5243},[5237,16910,5252],{"class":5251},[5237,16912,5445],{"class":5255},[5237,16914,5259],{"class":5251},[5237,16916,5263],{"class":5262},[5237,16918,5354],{"class":5251},[5237,16920,16921,16923,16925,16927],{"class":5239,"line":5471},[5237,16922,8286],{"class":5243},[5237,16924,5252],{"class":5251},[5237,16926,5445],{"class":5255},[5237,16928,5375],{"class":5251},[5237,16930,16931,16933,16935,16937,16939,16942],{"class":5239,"line":5477},[5237,16932,8297],{"class":5243},[5237,16934,5300],{"class":5251},[5237,16936,6257],{"class":5255},[5237,16938,5294],{"class":5251},[5237,16940,16941],{"class":5371},"'ProgrammerError'",[5237,16943,5397],{"class":5251},[5237,16945,16946],{"class":5239,"line":5484},[5237,16947,5468],{"class":5251},[5237,16949,16950],{"class":5239,"line":5490},[5237,16951,5474],{"class":5251},[5237,16953,16954],{"class":5239,"line":5498},[5237,16955,5481],{"emptyLinePlaceholder":5480},[5237,16957,16958],{"class":5239,"line":5519},[5237,16959,16960],{"class":5313},"\u002F\u002F Централізований обробник\n",[5237,16962,16963,16965,16968,16970,16972,16974,16976,16978,16980],{"class":5239,"line":5542},[5237,16964,5244],{"class":5243},[5237,16966,16967],{"class":5247}," handleError",[5237,16969,5252],{"class":5251},[5237,16971,5412],{"class":5255},[5237,16973,5259],{"class":5251},[5237,16975,6408],{"class":5262},[5237,16977,5266],{"class":5251},[5237,16979,6435],{"class":5262},[5237,16981,5272],{"class":5251},[5237,16983,16984,16986,16988,16990,16992,16994,16996,16998],{"class":5239,"line":5556},[5237,16985,6129],{"class":5278},[5237,16987,8625],{"class":5251},[5237,16989,5412],{"class":5255},[5237,16991,5437],{"class":5278},[5237,16993,14664],{"class":5262},[5237,16995,5442],{"class":5251},[5237,16997,13132],{"class":5255},[5237,16999,5354],{"class":5251},[5237,17001,17002],{"class":5239,"line":5584},[5237,17003,17004],{"class":5313},"    \u002F\u002F Операційна помилка — логуємо та продовжуємо\n",[5237,17006,17007,17009,17011,17013,17015,17018,17020,17022,17024,17026],{"class":5239,"line":5603},[5237,17008,5420],{"class":5255},[5237,17010,5300],{"class":5251},[5237,17012,5412],{"class":5247},[5237,17014,5252],{"class":5251},[5237,17016,17017],{"class":5371},"'Operational Error:'",[5237,17019,5105],{"class":5251},[5237,17021,5412],{"class":5255},[5237,17023,5300],{"class":5251},[5237,17025,5445],{"class":5255},[5237,17027,5375],{"class":5251},[5237,17029,17030,17032,17034],{"class":5239,"line":5963},[5237,17031,5403],{"class":5251},[5237,17033,10966],{"class":5278},[5237,17035,5272],{"class":5251},[5237,17037,17038],{"class":5239,"line":5969},[5237,17039,17040],{"class":5313},"    \u002F\u002F Програмна помилка — логуємо, сповіщаємо команду та перезапускаємо\n",[5237,17042,17043,17045,17047,17049,17051,17054,17056,17058,17060,17062],{"class":5239,"line":5975},[5237,17044,5420],{"class":5255},[5237,17046,5300],{"class":5251},[5237,17048,5412],{"class":5247},[5237,17050,5252],{"class":5251},[5237,17052,17053],{"class":5371},"'Programmer Error (BUG):'",[5237,17055,5105],{"class":5251},[5237,17057,5412],{"class":5255},[5237,17059,5300],{"class":5251},[5237,17061,9150],{"class":5255},[5237,17063,5375],{"class":5251},[5237,17065,17066],{"class":5239,"line":5980},[5237,17067,17068],{"class":5313},"    \u002F\u002F Надіслати в Sentry, PagerDuty тощо\n",[5237,17070,17071,17073,17075,17077,17079,17081],{"class":5239,"line":5986},[5237,17072,7067],{"class":5255},[5237,17074,5300],{"class":5251},[5237,17076,5592],{"class":5247},[5237,17078,5252],{"class":5251},[5237,17080,5598],{"class":5597},[5237,17082,5375],{"class":5251},[5237,17084,17085],{"class":5239,"line":5992},[5237,17086,5468],{"class":5251},[5237,17088,17089],{"class":5239,"line":5997},[5237,17090,5474],{"class":5251},[6008,17092,17093,17096],{},[5132,17094,17095],{},"Ніколи не ігноруйте програмні помилки."," Після виникнення багу стан застосунку може бути несумісним (об'єкти у неправильному стані, змінні мають невалідні значення). Продовження роботи може призвести до корупції даних, витоку пам'яті або інших критичних проблем. Єдина безпечна дія — перезапуск процесу.",[5211,17098,17100],{"id":17099},"_2-завжди-обробляйте-проміси","2. Завжди обробляйте проміси",[5228,17102,17104],{"className":5230,"code":17103,"language":5232,"meta":5233,"style":5233},"\u002F\u002F ❌ АНТИПАТТЕРН: Необроблений проміс\nasync function fetchData(): Promise\u003Cvoid> {\n  throw new Error('API недоступне');\n}\n\nfetchData(); \u002F\u002F unhandledRejection!\n\n\u002F\u002F ✅ ПРАВИЛЬНО: Обробка через .catch()\nfetchData().catch((error) => {\n  console.error('Помилка завантаження даних:', error.message);\n});\n\n\u002F\u002F ✅ ПРАВИЛЬНО: Обробка через await + try\u002Fcatch\nasync function main(): Promise\u003Cvoid> {\n  try {\n    await fetchData();\n  } catch (error) {\n    console.error('Помилка завантаження даних:', (error as Error).message);\n  }\n}\n\nmain();\n",[5102,17105,17106,17111,17129,17144,17148,17152,17161,17165,17170,17188,17211,17215,17219,17224,17242,17248,17256,17268,17294,17298,17302,17306],{"__ignoreMap":5233},[5237,17107,17108],{"class":5239,"line":5240},[5237,17109,17110],{"class":5313},"\u002F\u002F ❌ АНТИПАТТЕРН: Необроблений проміс\n",[5237,17112,17113,17115,17117,17119,17121,17123,17125,17127],{"class":5239,"line":5275},[5237,17114,5160],{"class":5243},[5237,17116,7751],{"class":5243},[5237,17118,9532],{"class":5247},[5237,17120,8072],{"class":5251},[5237,17122,7231],{"class":5262},[5237,17124,7234],{"class":5251},[5237,17126,6435],{"class":5262},[5237,17128,7239],{"class":5251},[5237,17130,17131,17133,17135,17137,17139,17142],{"class":5239,"line":5284},[5237,17132,9223],{"class":5278},[5237,17134,5363],{"class":5243},[5237,17136,5366],{"class":5247},[5237,17138,5252],{"class":5251},[5237,17140,17141],{"class":5371},"'API недоступне'",[5237,17143,5375],{"class":5251},[5237,17145,17146],{"class":5239,"line":5317},[5237,17147,5474],{"class":5251},[5237,17149,17150],{"class":5239,"line":5323},[5237,17151,5481],{"emptyLinePlaceholder":5480},[5237,17153,17154,17156,17158],{"class":5239,"line":5357},[5237,17155,9570],{"class":5247},[5237,17157,9573],{"class":5251},[5237,17159,17160],{"class":5313},"\u002F\u002F unhandledRejection!\n",[5237,17162,17163],{"class":5239,"line":5378},[5237,17164,5481],{"emptyLinePlaceholder":5480},[5237,17166,17167],{"class":5239,"line":5384},[5237,17168,17169],{"class":5313},"\u002F\u002F ✅ ПРАВИЛЬНО: Обробка через .catch()\n",[5237,17171,17172,17174,17176,17178,17180,17182,17184,17186],{"class":5239,"line":5389},[5237,17173,9570],{"class":5247},[5237,17175,9956],{"class":5251},[5237,17177,5406],{"class":5247},[5237,17179,7277],{"class":5251},[5237,17181,5412],{"class":5255},[5237,17183,5705],{"class":5251},[5237,17185,5708],{"class":5243},[5237,17187,5272],{"class":5251},[5237,17189,17190,17192,17194,17196,17198,17201,17203,17205,17207,17209],{"class":5239,"line":5400},[5237,17191,5522],{"class":5255},[5237,17193,5300],{"class":5251},[5237,17195,5412],{"class":5247},[5237,17197,5252],{"class":5251},[5237,17199,17200],{"class":5371},"'Помилка завантаження даних:'",[5237,17202,5105],{"class":5251},[5237,17204,5412],{"class":5255},[5237,17206,5300],{"class":5251},[5237,17208,5445],{"class":5255},[5237,17210,5375],{"class":5251},[5237,17212,17213],{"class":5239,"line":5417},[5237,17214,6307],{"class":5251},[5237,17216,17217],{"class":5239,"line":5450},[5237,17218,5481],{"emptyLinePlaceholder":5480},[5237,17220,17221],{"class":5239,"line":5465},[5237,17222,17223],{"class":5313},"\u002F\u002F ✅ ПРАВИЛЬНО: Обробка через await + try\u002Fcatch\n",[5237,17225,17226,17228,17230,17232,17234,17236,17238,17240],{"class":5239,"line":5471},[5237,17227,5160],{"class":5243},[5237,17229,7751],{"class":5243},[5237,17231,8069],{"class":5247},[5237,17233,8072],{"class":5251},[5237,17235,7231],{"class":5262},[5237,17237,7234],{"class":5251},[5237,17239,6435],{"class":5262},[5237,17241,7239],{"class":5251},[5237,17243,17244,17246],{"class":5239,"line":5477},[5237,17245,5279],{"class":5278},[5237,17247,5272],{"class":5251},[5237,17249,17250,17252,17254],{"class":5239,"line":5484},[5237,17251,7957],{"class":5278},[5237,17253,9532],{"class":5247},[5237,17255,8194],{"class":5251},[5237,17257,17258,17260,17262,17264,17266],{"class":5239,"line":5490},[5237,17259,5403],{"class":5251},[5237,17261,5406],{"class":5278},[5237,17263,5409],{"class":5251},[5237,17265,5412],{"class":5255},[5237,17267,5354],{"class":5251},[5237,17269,17270,17272,17274,17276,17278,17280,17282,17284,17286,17288,17290,17292],{"class":5239,"line":5498},[5237,17271,5420],{"class":5255},[5237,17273,5300],{"class":5251},[5237,17275,5412],{"class":5247},[5237,17277,5252],{"class":5251},[5237,17279,17200],{"class":5371},[5237,17281,5432],{"class":5251},[5237,17283,5412],{"class":5255},[5237,17285,5437],{"class":5278},[5237,17287,5366],{"class":5262},[5237,17289,5442],{"class":5251},[5237,17291,5445],{"class":5255},[5237,17293,5375],{"class":5251},[5237,17295,17296],{"class":5239,"line":5519},[5237,17297,5468],{"class":5251},[5237,17299,17300],{"class":5239,"line":5542},[5237,17301,5474],{"class":5251},[5237,17303,17304],{"class":5239,"line":5556},[5237,17305,5481],{"emptyLinePlaceholder":5480},[5237,17307,17308,17310],{"class":5239,"line":5584},[5237,17309,8191],{"class":5247},[5237,17311,8194],{"class":5251},[5203,17313,17314],{},[5132,17315,17316],{},"Eslint правило для автоматичної перевірки:",[5228,17318,17321],{"className":17319,"code":17320,"language":9804,"meta":5233,"style":5233},"language-json shiki shiki-themes light-plus dark-plus dark-plus","{\n  \"rules\": {\n    \"no-floating-promises\": \"error\",\n    \"@typescript-eslint\u002Fno-floating-promises\": \"error\"\n  }\n}\n",[5102,17322,17323,17327,17335,17347,17357,17361],{"__ignoreMap":5233},[5237,17324,17325],{"class":5239,"line":5240},[5237,17326,16128],{"class":5251},[5237,17328,17329,17333],{"class":5239,"line":5275},[5237,17330,17332],{"class":17331},"sLwNe","  \"rules\"",[5237,17334,16136],{"class":5251},[5237,17336,17337,17340,17342,17345],{"class":5239,"line":5284},[5237,17338,17339],{"class":17331},"    \"no-floating-promises\"",[5237,17341,5259],{"class":5251},[5237,17343,17344],{"class":5371},"\"error\"",[5237,17346,6783],{"class":5251},[5237,17348,17349,17352,17354],{"class":5239,"line":5317},[5237,17350,17351],{"class":17331},"    \"@typescript-eslint\u002Fno-floating-promises\"",[5237,17353,5259],{"class":5251},[5237,17355,17356],{"class":5371},"\"error\"\n",[5237,17358,17359],{"class":5239,"line":5323},[5237,17360,5468],{"class":5251},[5237,17362,17363],{"class":5239,"line":5357},[5237,17364,5474],{"class":5251},[5211,17366,17368],{"id":17367},"_3-використовуйте-централізований-логер","3. Використовуйте централізований логер",[5228,17370,17372],{"className":5230,"code":17371,"language":5232,"meta":5233,"style":5233},"import winston from 'winston';\n\nconst logger = winston.createLogger({\n  level: process.env.LOG_LEVEL || 'info',\n  format: winston.format.combine(\n    winston.format.timestamp(),\n    winston.format.errors({ stack: true }),\n    winston.format.json()\n  ),\n  transports: [\n    new winston.transports.File({ filename: 'error.log', level: 'error' }),\n    new winston.transports.File({ filename: 'combined.log' }),\n  ],\n});\n\n\u002F\u002F У production — додати транспорт для зовнішніх сервісів\nif (process.env.NODE_ENV === 'production') {\n  logger.add(new winston.transports.Console({\n    format: winston.format.simple(),\n  }));\n  \n  \u002F\u002F Інтеграція з Sentry\n  \u002F\u002F logger.add(new SentryTransport({ sentry, level: 'error' }));\n}\n\n\u002F\u002F Використання\ntry {\n  await riskyOperation();\n} catch (error) {\n  logger.error('Операція провалилася', {\n    error: error instanceof Error ? error.message : String(error),\n    stack: error instanceof Error ? error.stack : undefined,\n    userId: req.user?.id,\n    operation: 'riskyOperation',\n  });\n  throw error;\n}\n",[5102,17373,17374,17387,17391,17408,17430,17446,17461,17481,17495,17499,17505,17534,17557,17561,17565,17569,17574,17599,17624,17642,17647,17651,17656,17661,17665,17669,17673,17679,17688,17700,17715,17744,17768,17786,17796,17800,17808],{"__ignoreMap":5233},[5237,17375,17376,17378,17381,17383,17385],{"class":5239,"line":5240},[5237,17377,5646],{"class":5278},[5237,17379,17380],{"class":5255}," winston",[5237,17382,10253],{"class":5278},[5237,17384,9709],{"class":5371},[5237,17386,5397],{"class":5251},[5237,17388,17389],{"class":5239,"line":5275},[5237,17390,5481],{"emptyLinePlaceholder":5480},[5237,17392,17393,17395,17397,17399,17402,17404,17406],{"class":5239,"line":5284},[5237,17394,9725],{"class":5243},[5237,17396,9728],{"class":5290},[5237,17398,5294],{"class":5251},[5237,17400,17401],{"class":5255},"winston",[5237,17403,5300],{"class":5251},[5237,17405,9692],{"class":5247},[5237,17407,9735],{"class":5251},[5237,17409,17410,17412,17414,17416,17418,17420,17423,17425,17428],{"class":5239,"line":5317},[5237,17411,9740],{"class":5255},[5237,17413,10748],{"class":5255},[5237,17415,5300],{"class":5251},[5237,17417,10753],{"class":5255},[5237,17419,5300],{"class":5251},[5237,17421,17422],{"class":5290},"LOG_LEVEL",[5237,17424,6845],{"class":5251},[5237,17426,17427],{"class":5371},"'info'",[5237,17429,6783],{"class":5251},[5237,17431,17432,17434,17436,17438,17440,17442,17444],{"class":5239,"line":5323},[5237,17433,9750],{"class":5255},[5237,17435,17380],{"class":5255},[5237,17437,5300],{"class":5251},[5237,17439,9702],{"class":5255},[5237,17441,5300],{"class":5251},[5237,17443,9758],{"class":5247},[5237,17445,9761],{"class":5251},[5237,17447,17448,17451,17453,17455,17457,17459],{"class":5239,"line":5357},[5237,17449,17450],{"class":5255},"    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}));\n",[5237,17662,17663],{"class":5239,"line":5963},[5237,17664,5474],{"class":5251},[5237,17666,17667],{"class":5239,"line":5969},[5237,17668,5481],{"emptyLinePlaceholder":5480},[5237,17670,17671],{"class":5239,"line":5975},[5237,17672,5487],{"class":5313},[5237,17674,17675,17677],{"class":5239,"line":5980},[5237,17676,5493],{"class":5278},[5237,17678,5272],{"class":5251},[5237,17680,17681,17683,17686],{"class":5239,"line":5986},[5237,17682,8965],{"class":5278},[5237,17684,17685],{"class":5247}," 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error:",[5237,17721,5456],{"class":5255},[5237,17723,8559],{"class":5243},[5237,17725,5366],{"class":5262},[5237,17727,10104],{"class":5251},[5237,17729,5412],{"class":5255},[5237,17731,5300],{"class":5251},[5237,17733,5445],{"class":5255},[5237,17735,10113],{"class":5251},[5237,17737,10116],{"class":5247},[5237,17739,5252],{"class":5251},[5237,17741,5412],{"class":5255},[5237,17743,10123],{"class":5251},[5237,17745,17746,17748,17750,17752,17754,17756,17758,17760,17762,17764,17766],{"class":5239,"line":6771},[5237,17747,9935],{"class":5255},[5237,17749,5456],{"class":5255},[5237,17751,8559],{"class":5243},[5237,17753,5366],{"class":5262},[5237,17755,10104],{"class":5251},[5237,17757,5412],{"class":5255},[5237,17759,5300],{"class":5251},[5237,17761,9150],{"class":5255},[5237,17763,10113],{"class":5251},[5237,17765,6052],{"class":5243},[5237,17767,6783],{"class":5251},[5237,17769,17770,17773,17776,17778,17780,17782,17784],{"class":5239,"line":6786},[5237,17771,17772],{"class":5255},"    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${lastError!.message}`);\n}\n\n\u002F\u002F Використання\nconst data = await fetchWithRetry(() => fetch('https:\u002F\u002Fapi.example.com\u002Fdata').then((r) => r.json()));\n",[5102,17820,17821,17838,17857,17873,17887,17899,17912,17916,17950,17956,17968,17980,17995,17999,18004,18039,18047,18051,18055,18069,18104,18142,18146,18150,18154,18158,18197,18201,18205,18209],{"__ignoreMap":5233},[5237,17822,17823,17825,17827,17830,17832,17835],{"class":5239,"line":5240},[5237,17824,5160],{"class":5243},[5237,17826,7751],{"class":5243},[5237,17828,17829],{"class":5247}," fetchWithRetry",[5237,17831,7234],{"class":5251},[5237,17833,17834],{"class":5262},"T",[5237,17836,17837],{"class":5251},">(\n",[5237,17839,17840,17843,17846,17848,17850,17852,17854],{"class":5239,"line":5275},[5237,17841,17842],{"class":5247},"  fn",[5237,17844,17845],{"class":5251},": () 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attempt",[5237,17929,5294],{"class":5251},[5237,17931,5598],{"class":5597},[5237,17933,5459],{"class":5251},[5237,17935,17936],{"class":5255},"attempt",[5237,17938,17939],{"class":5251}," \u003C= ",[5237,17941,17942],{"class":5255},"maxRetries",[5237,17944,5459],{"class":5251},[5237,17946,17936],{"class":5255},[5237,17948,17949],{"class":5251},"++) {\n",[5237,17951,17952,17954],{"class":5239,"line":5389},[5237,17953,6535],{"class":5278},[5237,17955,5272],{"class":5251},[5237,17957,17958,17960,17963,17966],{"class":5239,"line":5400},[5237,17959,6497],{"class":5278},[5237,17961,17962],{"class":5278}," await",[5237,17964,17965],{"class":5247}," fn",[5237,17967,8194],{"class":5251},[5237,17969,17970,17972,17974,17976,17978],{"class":5239,"line":5417},[5237,17971,6561],{"class":5251},[5237,17973,5406],{"class":5278},[5237,17975,5409],{"class":5251},[5237,17977,5412],{"class":5255},[5237,17979,5354],{"class":5251},[5237,17981,17982,17985,17987,17989,17991,17993],{"class":5239,"line":5450},[5237,17983,17984],{"class":5255},"      lastError",[5237,17986,5294],{"class":5251},[5237,17988,5412],{"class":5255},[5237,17990,5437],{"class":5278},[5237,17992,5366],{"class":5262},[5237,17994,5397],{"class":5251},[5237,17996,17997],{"class":5239,"line":5465},[5237,17998,6675],{"class":5251},[5237,18000,18001],{"class":5239,"line":5471},[5237,18002,18003],{"class":5313},"      \u002F\u002F Не ретраїмо клієнтські помилки (4xx)\n",[5237,18005,18006,18008,18010,18012,18014,18016,18018,18020,18023,18025,18027,18029,18031,18033,18035,18037],{"class":5239,"line":5477},[5237,18007,6646],{"class":5278},[5237,18009,8625],{"class":5251},[5237,18011,5412],{"class":5255},[5237,18013,5437],{"class":5278},[5237,18015,14664],{"class":5262},[5237,18017,5442],{"class":5251},[5237,18019,13171],{"class":5255},[5237,18021,18022],{"class":5251}," && (",[5237,18024,5412],{"class":5255},[5237,18026,5437],{"class":5278},[5237,18028,14664],{"class":5262},[5237,18030,5442],{"class":5251},[5237,18032,13171],{"class":5255},[5237,18034,8482],{"class":5251},[5237,18036,12118],{"class":5597},[5237,18038,5354],{"class":5251},[5237,18040,18041,18043,18045],{"class":5239,"line":5484},[5237,18042,15780],{"class":5278},[5237,18044,5456],{"class":5255},[5237,18046,5397],{"class":5251},[5237,18048,18049],{"class":5239,"line":5490},[5237,18050,6670],{"class":5251},[5237,18052,18053],{"class":5239,"line":5498},[5237,18054,6675],{"class":5251},[5237,18056,18057,18059,18061,18063,18065,18067],{"class":5239,"line":5519},[5237,18058,6646],{"class":5278},[5237,18060,5409],{"class":5251},[5237,18062,17936],{"class":5255},[5237,18064,8482],{"class":5251},[5237,18066,17942],{"class":5255},[5237,18068,5354],{"class":5251},[5237,18070,18071,18074,18076,18078,18080,18083,18085,18087,18089,18092,18094,18097,18099,18102],{"class":5239,"line":5542},[5237,18072,18073],{"class":5255},"        console",[5237,18075,5300],{"class":5251},[5237,18077,8658],{"class":5247},[5237,18079,5252],{"class":5251},[5237,18081,18082],{"class":5371},"`Спроба ",[5237,18084,6454],{"class":5243},[5237,18086,17936],{"class":5255},[5237,18088,6459],{"class":5243},[5237,18090,18091],{"class":5371}," провалилася, повтор через ",[5237,18093,6454],{"class":5243},[5237,18095,18096],{"class":5255},"delayMs",[5237,18098,6459],{"class":5243},[5237,18100,18101],{"class":5371},"мс...`",[5237,18103,5375],{"class":5251},[5237,18105,18106,18109,18111,18113,18115,18117,18119,18121,18123,18125,18127,18129,18131,18134,18136,18139],{"class":5239,"line":5556},[5237,18107,18108],{"class":5278},"        await",[5237,18110,5363],{"class":5243},[5237,18112,12406],{"class":5262},[5237,18114,7277],{"class":5251},[5237,18116,12411],{"class":5255},[5237,18118,5705],{"class":5251},[5237,18120,5708],{"class":5243},[5237,18122,12418],{"class":5247},[5237,18124,5252],{"class":5251},[5237,18126,12411],{"class":5255},[5237,18128,5105],{"class":5251},[5237,18130,18096],{"class":5255},[5237,18132,18133],{"class":5251}," * ",[5237,18135,17936],{"class":5255},[5237,18137,18138],{"class":5251},")); ",[5237,18140,18141],{"class":5313},"\u002F\u002F Exponential backoff\n",[5237,18143,18144],{"class":5239,"line":5584},[5237,18145,6670],{"class":5251},[5237,18147,18148],{"class":5239,"line":5603},[5237,18149,5381],{"class":5251},[5237,18151,18152],{"class":5239,"line":5963},[5237,18153,5468],{"class":5251},[5237,18155,18156],{"class":5239,"line":5969},[5237,18157,6181],{"class":5251},[5237,18159,18160,18162,18164,18166,18168,18171,18173,18175,18177,18180,18182,18185,18187,18189,18191,18193,18195],{"class":5239,"line":5975},[5237,18161,9223],{"class":5278},[5237,18163,5363],{"class":5243},[5237,18165,5366],{"class":5247},[5237,18167,5252],{"class":5251},[5237,18169,18170],{"class":5371},"`Операція провалилася після ",[5237,18172,6454],{"class":5243},[5237,18174,17942],{"class":5255},[5237,18176,6459],{"class":5243},[5237,18178,18179],{"class":5371}," спроб: ",[5237,18181,6454],{"class":5243},[5237,18183,18184],{"class":5255},"lastError",[5237,18186,9357],{"class":5251},[5237,18188,5300],{"class":6615},[5237,18190,5445],{"class":5255},[5237,18192,6459],{"class":5243},[5237,18194,10481],{"class":5371},[5237,18196,5375],{"class":5251},[5237,18198,18199],{"class":5239,"line":5980},[5237,18200,5474],{"class":5251},[5237,18202,18203],{"class":5239,"line":5986},[5237,18204,5481],{"emptyLinePlaceholder":5480},[5237,18206,18207],{"class":5239,"line":5992},[5237,18208,5487],{"class":5313},[5237,18210,18211,18213,18215,18217,18219,18221,18223,18225,18228,18230,18233,18235,18237,18239,18242,18244,18246,18249,18251,18253],{"class":5239,"line":5997},[5237,18212,9725],{"class":5243},[5237,18214,5291],{"class":5290},[5237,18216,5294],{"class":5251},[5237,18218,6016],{"class":5278},[5237,18220,17829],{"class":5247},[5237,18222,7500],{"class":5251},[5237,18224,5708],{"class":5243},[5237,18226,18227],{"class":5247}," fetch",[5237,18229,5252],{"class":5251},[5237,18231,18232],{"class":5371},"'https:\u002F\u002Fapi.example.com\u002Fdata'",[5237,18234,5442],{"class":5251},[5237,18236,7274],{"class":5247},[5237,18238,7277],{"class":5251},[5237,18240,18241],{"class":5255},"r",[5237,18243,5705],{"class":5251},[5237,18245,5708],{"class":5243},[5237,18247,18248],{"class":5255}," r",[5237,18250,5300],{"class":5251},[5237,18252,9804],{"class":5247},[5237,18254,18255],{"class":5251},"()));\n",[5211,18257,18259],{"id":18258},"_5-налаштуйте-моніторинг-та-алертинг","5. Налаштуйте моніторинг та алертинг",[5228,18261,18263],{"className":5230,"code":18262,"language":5232,"meta":5233,"style":5233},"import * as Sentry from '@sentry\u002Fnode';\n\n\u002F\u002F Ініціалізація Sentry\nSentry.init({\n  dsn: process.env.SENTRY_DSN,\n  environment: process.env.NODE_ENV,\n  tracesSampleRate: 0.1, \u002F\u002F 10% транзакцій для performance monitoring\n});\n\n\u002F\u002F Обробник необроблених помилок\nprocess.on('uncaughtException', (error: Error) => {\n  console.error('Uncaught Exception:', error);\n  Sentry.captureException(error);\n  \n  \u002F\u002F Очікуємо відправки даних у Sentry\n  Sentry.close(2000).then(() => {\n    process.exit(1);\n  });\n});\n\nprocess.on('unhandledRejection', (reason: any) => {\n  console.error('Unhandled Rejection:', reason);\n  Sentry.captureException(reason);\n  \n  Sentry.close(2000).then(() => {\n    process.exit(1);\n  });\n});\n\n\u002F\u002F У Express middleware\napp.use(Sentry.Handlers.requestHandler());\napp.use(Sentry.Handlers.errorHandler());\n",[5102,18264,18265,18284,18288,18293,18305,18323,18340,18353,18357,18361,18366,18392,18411,18427,18431,18436,18459,18473,18477,18481,18485,18511,18530,18544,18548,18570,18584,18588,18592,18596,18601,18625],{"__ignoreMap":5233},[5237,18266,18267,18269,18272,18274,18277,18279,18282],{"class":5239,"line":5240},[5237,18268,5646],{"class":5278},[5237,18270,18271],{"class":5243}," *",[5237,18273,5437],{"class":5278},[5237,18275,18276],{"class":5255}," Sentry",[5237,18278,10253],{"class":5278},[5237,18280,18281],{"class":5371}," '@sentry\u002Fnode'",[5237,18283,5397],{"class":5251},[5237,18285,18286],{"class":5239,"line":5275},[5237,18287,5481],{"emptyLinePlaceholder":5480},[5237,18289,18290],{"class":5239,"line":5284},[5237,18291,18292],{"class":5313},"\u002F\u002F Ініціалізація Sentry\n",[5237,18294,18295,18298,18300,18303],{"class":5239,"line":5317},[5237,18296,18297],{"class":5255},"Sentry",[5237,18299,5300],{"class":5251},[5237,18301,18302],{"class":5247},"init",[5237,18304,9735],{"class":5251},[5237,18306,18307,18310,18312,18314,18316,18318,18321],{"class":5239,"line":5323},[5237,18308,18309],{"class":5255},"  dsn:",[5237,18311,10748],{"class":5255},[5237,18313,5300],{"class":5251},[5237,18315,10753],{"class":5255},[5237,18317,5300],{"class":5251},[5237,18319,18320],{"class":5290},"SENTRY_DSN",[5237,18322,6783],{"class":5251},[5237,18324,18325,18328,18330,18332,18334,18336,18338],{"class":5239,"line":5357},[5237,18326,18327],{"class":5255},"  environment:",[5237,18329,10748],{"class":5255},[5237,18331,5300],{"class":5251},[5237,18333,10753],{"class":5255},[5237,18335,5300],{"class":5251},[5237,18337,17591],{"class":5290},[5237,18339,6783],{"class":5251},[5237,18341,18342,18345,18348,18350],{"class":5239,"line":5378},[5237,18343,18344],{"class":5255},"  tracesSampleRate:",[5237,18346,18347],{"class":5597}," 0.1",[5237,18349,5105],{"class":5251},[5237,18351,18352],{"class":5313},"\u002F\u002F 10% транзакцій для performance monitoring\n",[5237,18354,18355],{"class":5239,"line":5384},[5237,18356,6307],{"class":5251},[5237,18358,18359],{"class":5239,"line":5389},[5237,18360,5481],{"emptyLinePlaceholder":5480},[5237,18362,18363],{"class":5239,"line":5400},[5237,18364,18365],{"class":5313},"\u002F\u002F Обробник необроблених помилок\n",[5237,18367,18368,18370,18372,18374,18376,18378,18380,18382,18384,18386,18388,18390],{"class":5239,"line":5417},[5237,18369,9058],{"class":5255},[5237,18371,5300],{"class":5251},[5237,18373,9063],{"class":5247},[5237,18375,5252],{"class":5251},[5237,18377,9068],{"class":5371},[5237,18379,5432],{"class":5251},[5237,18381,5412],{"class":5255},[5237,18383,5259],{"class":5251},[5237,18385,6408],{"class":5262},[5237,18387,5705],{"class":5251},[5237,18389,5708],{"class":5243},[5237,18391,5272],{"class":5251},[5237,18393,18394,18396,18398,18400,18402,18405,18407,18409],{"class":5239,"line":5450},[5237,18395,5522],{"class":5255},[5237,18397,5300],{"class":5251},[5237,18399,5412],{"class":5247},[5237,18401,5252],{"class":5251},[5237,18403,18404],{"class":5371},"'Uncaught Exception:'",[5237,18406,5105],{"class":5251},[5237,18408,5412],{"class":5255},[5237,18410,5375],{"class":5251},[5237,18412,18413,18416,18418,18421,18423,18425],{"class":5239,"line":5465},[5237,18414,18415],{"class":5255},"  Sentry",[5237,18417,5300],{"class":5251},[5237,18419,18420],{"class":5247},"captureException",[5237,18422,5252],{"class":5251},[5237,18424,5412],{"class":5255},[5237,18426,5375],{"class":5251},[5237,18428,18429],{"class":5239,"line":5471},[5237,18430,6181],{"class":5251},[5237,18432,18433],{"class":5239,"line":5477},[5237,18434,18435],{"class":5313},"  \u002F\u002F Очікуємо відправки даних у Sentry\n",[5237,18437,18438,18440,18442,18444,18446,18449,18451,18453,18455,18457],{"class":5239,"line":5484},[5237,18439,18415],{"class":5255},[5237,18441,5300],{"class":5251},[5237,18443,10508],{"class":5247},[5237,18445,5252],{"class":5251},[5237,18447,18448],{"class":5597},"2000",[5237,18450,5442],{"class":5251},[5237,18452,7274],{"class":5247},[5237,18454,7500],{"class":5251},[5237,18456,5708],{"class":5243},[5237,18458,5272],{"class":5251},[5237,18460,18461,18463,18465,18467,18469,18471],{"class":5239,"line":5490},[5237,18462,7067],{"class":5255},[5237,18464,5300],{"class":5251},[5237,18466,5592],{"class":5247},[5237,18468,5252],{"class":5251},[5237,18470,5598],{"class":5597},[5237,18472,5375],{"class":5251},[5237,18474,18475],{"class":5239,"line":5498},[5237,18476,5760],{"class":5251},[5237,18478,18479],{"class":5239,"line":5519},[5237,18480,6307],{"class":5251},[5237,18482,18483],{"class":5239,"line":5542},[5237,18484,5481],{"emptyLinePlaceholder":5480},[5237,18486,18487,18489,18491,18493,18495,18497,18499,18501,18503,18505,18507,18509],{"class":5239,"line":5556},[5237,18488,9058],{"class":5255},[5237,18490,5300],{"class":5251},[5237,18492,9063],{"class":5247},[5237,18494,5252],{"class":5251},[5237,18496,9405],{"class":5371},[5237,18498,5432],{"class":5251},[5237,18500,9410],{"class":5255},[5237,18502,5259],{"class":5251},[5237,18504,5269],{"class":5262},[5237,18506,5705],{"class":5251},[5237,18508,5708],{"class":5243},[5237,18510,5272],{"class":5251},[5237,18512,18513,18515,18517,18519,18521,18524,18526,18528],{"class":5239,"line":5584},[5237,18514,5522],{"class":5255},[5237,18516,5300],{"class":5251},[5237,18518,5412],{"class":5247},[5237,18520,5252],{"class":5251},[5237,18522,18523],{"class":5371},"'Unhandled Rejection:'",[5237,18525,5105],{"class":5251},[5237,18527,9410],{"class":5255},[5237,18529,5375],{"class":5251},[5237,18531,18532,18534,18536,18538,18540,18542],{"class":5239,"line":5603},[5237,18533,18415],{"class":5255},[5237,18535,5300],{"class":5251},[5237,18537,18420],{"class":5247},[5237,18539,5252],{"class":5251},[5237,18541,9410],{"class":5255},[5237,18543,5375],{"class":5251},[5237,18545,18546],{"class":5239,"line":5963},[5237,18547,6181],{"class":5251},[5237,18549,18550,18552,18554,18556,18558,18560,18562,18564,18566,18568],{"class":5239,"line":5969},[5237,18551,18415],{"class":5255},[5237,18553,5300],{"class":5251},[5237,18555,10508],{"class":5247},[5237,18557,5252],{"class":5251},[5237,18559,18448],{"class":5597},[5237,18561,5442],{"class":5251},[5237,18563,7274],{"class":5247},[5237,18565,7500],{"class":5251},[5237,18567,5708],{"class":5243},[5237,18569,5272],{"class":5251},[5237,18571,18572,18574,18576,18578,18580,18582],{"class":5239,"line":5975},[5237,18573,7067],{"class":5255},[5237,18575,5300],{"class":5251},[5237,18577,5592],{"class":5247},[5237,18579,5252],{"class":5251},[5237,18581,5598],{"class":5597},[5237,18583,5375],{"class":5251},[5237,18585,18586],{"class":5239,"line":5980},[5237,18587,5760],{"class":5251},[5237,18589,18590],{"class":5239,"line":5986},[5237,18591,6307],{"class":5251},[5237,18593,18594],{"class":5239,"line":5992},[5237,18595,5481],{"emptyLinePlaceholder":5480},[5237,18597,18598],{"class":5239,"line":5997},[5237,18599,18600],{"class":5313},"\u002F\u002F У Express middleware\n",[5237,18602,18603,18605,18607,18609,18611,18613,18615,18618,18620,18623],{"class":5239,"line":6003},[5237,18604,10285],{"class":5255},[5237,18606,5300],{"class":5251},[5237,18608,11843],{"class":5247},[5237,18610,5252],{"class":5251},[5237,18612,18297],{"class":5255},[5237,18614,5300],{"class":5251},[5237,18616,18617],{"class":5255},"Handlers",[5237,18619,5300],{"class":5251},[5237,18621,18622],{"class":5247},"requestHandler",[5237,18624,11854],{"class":5251},[5237,18626,18627,18629,18631,18633,18635,18637,18639,18641,18643,18646],{"class":5239,"line":6771},[5237,18628,10285],{"class":5255},[5237,18630,5300],{"class":5251},[5237,18632,11843],{"class":5247},[5237,18634,5252],{"class":5251},[5237,18636,18297],{"class":5255},[5237,18638,5300],{"class":5251},[5237,18640,18617],{"class":5255},[5237,18642,5300],{"class":5251},[5237,18644,18645],{"class":5247},"errorHandler",[5237,18647,11854],{"class":5251},[5211,18649,18651],{"id":18650},"_6-документуйте-помилки-у-функціях","6. Документуйте помилки у функціях",[5228,18653,18655],{"className":5230,"code":18654,"language":5232,"meta":5233,"style":5233},"\u002F**\n * Створює нового користувача у системі.\n * \n * @param email - Email користувача (повинен бути унікальним)\n * @param password - Пароль (мінімум 8 символів)\n * @returns Створений об'єкт користувача\n * \n * @throws {ValidationError} Якщо email або пароль невалідні\n * @throws {ConflictError} Якщо користувач з таким email вже існує\n * @throws {DatabaseError} Якщо виникла помилка підключення до БД\n * \n * @example\n * ```typescript\n * try {\n *   const user = await createUser('test@example.com', 'password123');\n *   console.log('Користувач створений:', user.id);\n * } catch (error) {\n *   if (error instanceof ValidationError) {\n *     console.error('Невалідні дані:', error.message);\n *   }\n * }\n * ```\n *\u002F\nasync function createUser(email: string, password: string): Promise\u003CUser> {\n  \u002F\u002F Реалізація...\n}\n",[5102,18656,18657,18662,18667,18672,18685,18697,18707,18711,18724,18736,18748,18752,18759,18764,18769,18774,18779,18784,18789,18794,18799,18804,18809,18814,18848,18853],{"__ignoreMap":5233},[5237,18658,18659],{"class":5239,"line":5240},[5237,18660,18661],{"class":5313},"\u002F**\n",[5237,18663,18664],{"class":5239,"line":5275},[5237,18665,18666],{"class":5313}," * Створює нового користувача у системі.\n",[5237,18668,18669],{"class":5239,"line":5284},[5237,18670,18671],{"class":5313}," * \n",[5237,18673,18674,18676,18679,18682],{"class":5239,"line":5317},[5237,18675,18133],{"class":5313},[5237,18677,18678],{"class":5243},"@param",[5237,18680,18681],{"class":5255}," email",[5237,18683,18684],{"class":5313}," - Email користувача (повинен бути унікальним)\n",[5237,18686,18687,18689,18691,18694],{"class":5239,"line":5323},[5237,18688,18133],{"class":5313},[5237,18690,18678],{"class":5243},[5237,18692,18693],{"class":5255}," password",[5237,18695,18696],{"class":5313}," - Пароль (мінімум 8 символів)\n",[5237,18698,18699,18701,18704],{"class":5239,"line":5357},[5237,18700,18133],{"class":5313},[5237,18702,18703],{"class":5243},"@returns",[5237,18705,18706],{"class":5313}," Створений об'єкт користувача\n",[5237,18708,18709],{"class":5239,"line":5378},[5237,18710,18671],{"class":5313},[5237,18712,18713,18715,18718,18721],{"class":5239,"line":5384},[5237,18714,18133],{"class":5313},[5237,18716,18717],{"class":5243},"@throws",[5237,18719,18720],{"class":5262}," {ValidationError}",[5237,18722,18723],{"class":5313}," Якщо email або пароль невалідні\n",[5237,18725,18726,18728,18730,18733],{"class":5239,"line":5389},[5237,18727,18133],{"class":5313},[5237,18729,18717],{"class":5243},[5237,18731,18732],{"class":5262}," {ConflictError}",[5237,18734,18735],{"class":5313}," Якщо користувач з таким email вже існує\n",[5237,18737,18738,18740,18742,18745],{"class":5239,"line":5400},[5237,18739,18133],{"class":5313},[5237,18741,18717],{"class":5243},[5237,18743,18744],{"class":5262}," {DatabaseError}",[5237,18746,18747],{"class":5313}," Якщо виникла помилка підключення до БД\n",[5237,18749,18750],{"class":5239,"line":5417},[5237,18751,18671],{"class":5313},[5237,18753,18754,18756],{"class":5239,"line":5450},[5237,18755,18133],{"class":5313},[5237,18757,18758],{"class":5243},"@example\n",[5237,18760,18761],{"class":5239,"line":5465},[5237,18762,18763],{"class":5313}," * ```typescript\n",[5237,18765,18766],{"class":5239,"line":5471},[5237,18767,18768],{"class":5313}," * try {\n",[5237,18770,18771],{"class":5239,"line":5477},[5237,18772,18773],{"class":5313}," *   const user = await createUser('test@example.com', 'password123');\n",[5237,18775,18776],{"class":5239,"line":5484},[5237,18777,18778],{"class":5313}," *   console.log('Користувач створений:', user.id);\n",[5237,18780,18781],{"class":5239,"line":5490},[5237,18782,18783],{"class":5313}," * } catch (error) {\n",[5237,18785,18786],{"class":5239,"line":5498},[5237,18787,18788],{"class":5313}," *   if (error instanceof ValidationError) {\n",[5237,18790,18791],{"class":5239,"line":5519},[5237,18792,18793],{"class":5313}," *     console.error('Невалідні дані:', error.message);\n",[5237,18795,18796],{"class":5239,"line":5542},[5237,18797,18798],{"class":5313}," *   }\n",[5237,18800,18801],{"class":5239,"line":5556},[5237,18802,18803],{"class":5313}," * }\n",[5237,18805,18806],{"class":5239,"line":5584},[5237,18807,18808],{"class":5313}," * ```\n",[5237,18810,18811],{"class":5239,"line":5603},[5237,18812,18813],{"class":5313}," *\u002F\n",[5237,18815,18816,18818,18820,18822,18824,18826,18828,18830,18832,18834,18836,18838,18840,18842,18844,18846],{"class":5239,"line":5963},[5237,18817,5160],{"class":5243},[5237,18819,7751],{"class":5243},[5237,18821,13292],{"class":5247},[5237,18823,5252],{"class":5251},[5237,18825,6796],{"class":5255},[5237,18827,5259],{"class":5251},[5237,18829,5263],{"class":5262},[5237,18831,5105],{"class":5251},[5237,18833,13305],{"class":5255},[5237,18835,5259],{"class":5251},[5237,18837,5263],{"class":5262},[5237,18839,5266],{"class":5251},[5237,18841,7231],{"class":5262},[5237,18843,7234],{"class":5251},[5237,18845,13277],{"class":5262},[5237,18847,7239],{"class":5251},[5237,18849,18850],{"class":5239,"line":5969},[5237,18851,18852],{"class":5313},"  \u002F\u002F Реалізація...\n",[5237,18854,18855],{"class":5239,"line":5975},[5237,18856,5474],{"class":5251},[5198,18858,18860],{"id":18859},"практичний-приклад-повна-архітектура-обробки-помилок","Практичний приклад: повна архітектура обробки помилок",[5228,18862,18864],{"className":5230,"code":18863,"language":5232,"meta":5233,"style":5233},"\u002F\u002F errors\u002Findex.ts — Ієрархія класів помилок\nexport class AppError extends Error {\n  constructor(\n    message: string,\n    public readonly code: string,\n    public readonly statusCode: number = 500,\n    public readonly isOperational: boolean = true\n  ) {\n    super(message);\n    this.name = this.constructor.name;\n    Error.captureStackTrace?.(this, this.constructor);\n  }\n}\n\nexport class ValidationError extends AppError {\n  constructor(message: string, public readonly field?: string) {\n    super(message, 'VALIDATION_ERROR', 400);\n  }\n}\n\nexport class NotFoundError extends AppError {\n  constructor(resource: string, id: string | number) {\n    super(`${resource} with ID ${id} not found`, 'NOT_FOUND', 404);\n  }\n}\n\nexport class UnauthorizedError extends AppError {\n  constructor(message: string = 'Unauthorized') {\n    super(message, 'UNAUTHORIZED', 401);\n  }\n}\n\n\u002F\u002F services\u002Ferror-handler.service.ts — Централізований обробник\nimport winston from 'winston';\nimport { AppError } from '..\u002Ferrors';\n\nexport class ErrorHandlerService {\n  private logger = winston.createLogger({\n    level: 'error',\n    format: winston.format.combine(\n      winston.format.timestamp(),\n      winston.format.errors({ stack: true }),\n      winston.format.json()\n    ),\n    transports: [\n      new winston.transports.File({ filename: 'error.log' }),\n      new winston.transports.Console(),\n    ],\n  });\n  \n  handleError(error: Error): void {\n    this.logError(error);\n    \n    if (this.isTrustedError(error)) {\n      \u002F\u002F Операційна помилка — можна продовжити\n      return;\n    }\n    \n    \u002F\u002F Програмна помилка — перезапуск обов'язковий\n    console.error('Критична програмна помилка, завершуємо процес...');\n    process.exit(1);\n  }\n  \n  private logError(error: Error): void {\n    this.logger.error('Application Error', {\n      message: error.message,\n      stack: error.stack,\n      code: (error as any).code,\n      statusCode: (error as any).statusCode,\n      isOperational: (error as any).isOperational,\n      timestamp: new Date().toISOString(),\n    });\n  }\n  \n  private isTrustedError(error: Error): boolean {\n    if (error instanceof AppError) {\n      return error.isOperational;\n    }\n    return false;\n  }\n}\n\n\u002F\u002F middleware\u002Ferror.middleware.ts — Express middleware\nimport { Request, Response, NextFunction } from 'express';\nimport { AppError } from '..\u002Ferrors';\nimport { ErrorHandlerService } from '..\u002Fservices\u002Ferror-handler.service';\n\nconst errorHandler = new ErrorHandlerService();\n\nexport function errorMiddleware(\n  error: Error,\n  req: Request,\n  res: Response,\n  next: NextFunction\n): void {\n  errorHandler.handleError(error);\n  \n  if (error instanceof AppError) {\n    res.status(error.statusCode).json({\n      error: {\n        code: error.code,\n        message: error.message,\n        ...(error as any).field && { field: (error as any).field },\n      },\n    });\n  } else {\n    \u002F\u002F Непередбачена помилка\n    res.status(500).json({\n      error: {\n        code: 'INTERNAL_SERVER_ERROR',\n        message: 'Internal server error',\n      },\n    });\n  }\n}\n\n\u002F\u002F app.ts — Головний файл\nimport express from 'express';\nimport { errorMiddleware } from '.\u002Fmiddleware\u002Ferror.middleware';\nimport { ErrorHandlerService } from '.\u002Fservices\u002Ferror-handler.service';\n\nconst app = express();\nconst errorHandler = new ErrorHandlerService();\n\napp.use(express.json());\n\n\u002F\u002F Роути...\n\u002F\u002F app.use('\u002Fapi\u002Fusers', userRoutes);\n\n\u002F\u002F Error middleware (останнім)\napp.use(errorMiddleware);\n\n\u002F\u002F Глобальні обробники\nprocess.on('uncaughtException', (error: Error) => {\n  console.error('Uncaught Exception detected');\n  errorHandler.handleError(error);\n});\n\nprocess.on('unhandledRejection', (reason: any) => {\n  throw reason; \u002F\u002F Перетворюємо на uncaughtException для єдиної обробки\n});\n\n\u002F\u002F Graceful shutdown\nprocess.on('SIGTERM', async () => {\n  console.log('SIGTERM received, closing server...');\n  \u002F\u002F Закриття ресурсів...\n  process.exit(0);\n});\n\nconst PORT = process.env.PORT || 3000;\napp.listen(PORT, () => {\n  console.log(`Server running on port ${PORT}`);\n});\n",[5102,18865,18866,18871,18887,18893,18903,18917,18935,18951,18955,18965,18987,19009,19013,19017,19021,19035,19061,19079,19083,19087,19091,19105,19131,19167,19171,19175,19179,19193,19212,19230,19234,19238,19242,19247,19259,19277,19281,19292,19308,19317,19333,19348,19368,19382,19387,19394,19417,19433,19438,19442,19446,19465,19480,19484,19503,19508,19514,19518,19522,19527,19542,19556,19560,19564,19585,19605,19617,19629,19648,19667,19686,19700,19704,19708,19712,19733,19747,19759,19763,19771,19775,19779,19783,19788,19812,19828,19846,19850,19865,19869,19880,19891,19902,19912,19921,19929,19945,19949,19963,19985,19991,20003,20015,20051,20055,20059,20067,20072,20090,20096,20104,20113,20117,20121,20125,20129,20133,20138,20150,20168,20185,20189,20201,20215,20219,20237,20241,20246,20251,20255,20261,20276,20281,20287,20314,20330,20345,20350,20355,20382,20394,20399,20404,20410,20434,20450,20456,20471,20476,20481,20506,20525,20549],{"__ignoreMap":5233},[5237,18867,18868],{"class":5239,"line":5240},[5237,18869,18870],{"class":5313},"\u002F\u002F errors\u002Findex.ts — Ієрархія класів помилок\n",[5237,18872,18873,18876,18879,18881,18883,18885],{"class":5239,"line":5275},[5237,18874,18875],{"class":5278},"export",[5237,18877,18878],{"class":5243}," 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services\u002Ferror-handler.service.ts — Централізований обробник\n",[5237,19248,19249,19251,19253,19255,19257],{"class":5239,"line":6801},[5237,19250,5646],{"class":5278},[5237,19252,17380],{"class":5255},[5237,19254,10253],{"class":5278},[5237,19256,9709],{"class":5371},[5237,19258,5397],{"class":5251},[5237,19260,19261,19263,19265,19268,19270,19272,19275],{"class":5239,"line":6816},[5237,19262,5646],{"class":5278},[5237,19264,5649],{"class":5251},[5237,19266,19267],{"class":5255},"AppError",[5237,19269,5655],{"class":5251},[5237,19271,5658],{"class":5278},[5237,19273,19274],{"class":5371}," '..\u002Ferrors'",[5237,19276,5397],{"class":5251},[5237,19278,19279],{"class":5239,"line":6853},[5237,19280,5481],{"emptyLinePlaceholder":5480},[5237,19282,19283,19285,19287,19290],{"class":5239,"line":6859},[5237,19284,18875],{"class":5278},[5237,19286,18878],{"class":5243},[5237,19288,19289],{"class":5262}," 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помилка\n",[5237,20073,20074,20076,20078,20080,20082,20084,20086,20088],{"class":5239,"line":14677},[5237,20075,12046],{"class":5255},[5237,20077,5300],{"class":5251},[5237,20079,12113],{"class":5247},[5237,20081,5252],{"class":5251},[5237,20083,12118],{"class":5597},[5237,20085,5442],{"class":5251},[5237,20087,9804],{"class":5247},[5237,20089,9735],{"class":5251},[5237,20091,20092,20094],{"class":5239,"line":14683},[5237,20093,14619],{"class":5255},[5237,20095,5272],{"class":5251},[5237,20097,20098,20100,20102],{"class":5239,"line":14688},[5237,20099,14627],{"class":5255},[5237,20101,14814],{"class":5371},[5237,20103,6783],{"class":5251},[5237,20105,20106,20108,20111],{"class":5239,"line":14693},[5237,20107,14641],{"class":5255},[5237,20109,20110],{"class":5371}," 'Internal server 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файл\n",[5237,20139,20140,20142,20144,20146,20148],{"class":5239,"line":14783},[5237,20141,5646],{"class":5278},[5237,20143,10250],{"class":5255},[5237,20145,10253],{"class":5278},[5237,20147,10256],{"class":5371},[5237,20149,5397],{"class":5251},[5237,20151,20152,20154,20156,20159,20161,20163,20166],{"class":5239,"line":14802},[5237,20153,5646],{"class":5278},[5237,20155,5649],{"class":5251},[5237,20157,20158],{"class":5255},"errorMiddleware",[5237,20160,5655],{"class":5251},[5237,20162,5658],{"class":5278},[5237,20164,20165],{"class":5371}," '.\u002Fmiddleware\u002Ferror.middleware'",[5237,20167,5397],{"class":5251},[5237,20169,20170,20172,20174,20176,20178,20180,20183],{"class":5239,"line":14809},[5237,20171,5646],{"class":5278},[5237,20173,5649],{"class":5251},[5237,20175,19836],{"class":5255},[5237,20177,5655],{"class":5251},[5237,20179,5658],{"class":5278},[5237,20181,20182],{"class":5371}," '.\u002Fservices\u002Ferror-handler.service'",[5237,20184,5397],{"class":5251},[5237,20186,20187],{"class":5239,"line":14819},[5237,20188,5481],{"emptyLinePlaceholder":5480},[5237,20190,20191,20193,20195,20197,20199],{"class":5239,"line":14829},[5237,20192,9725],{"class":5243},[5237,20194,10269],{"class":5290},[5237,20196,5294],{"class":5251},[5237,20198,10274],{"class":5247},[5237,20200,8194],{"class":5251},[5237,20202,20203,20205,20207,20209,20211,20213],{"class":5239,"line":14834},[5237,20204,9725],{"class":5243},[5237,20206,19856],{"class":5290},[5237,20208,5294],{"class":5251},[5237,20210,10390],{"class":5243},[5237,20212,19289],{"class":5247},[5237,20214,8194],{"class":5251},[5237,20216,20217],{"class":5239,"line":14839},[5237,20218,5481],{"emptyLinePlaceholder":5480},[5237,20220,20221,20223,20225,20227,20229,20231,20233,20235],{"class":5239,"line":14844},[5237,20222,10285],{"class":5255},[5237,20224,5300],{"class":5251},[5237,20226,11843],{"class":5247},[5237,20228,5252],{"class":5251},[5237,20230,10274],{"class":5255},[5237,20232,5300],{"class":5251},[5237,20234,9804],{"class":5247},[5237,20236,11854],{"class":5251},[5237,20238,20239],{"class":5239,"line":14849},[5237,20240,5481],{"emptyLinePlaceholder":5480},[5237,20242,20243],{"class":5239,"line":14854},[5237,20244,20245],{"class":5313},"\u002F\u002F Роути...\n",[5237,20247,20248],{"class":5239,"line":14873},[5237,20249,20250],{"class":5313},"\u002F\u002F app.use('\u002Fapi\u002Fusers', userRoutes);\n",[5237,20252,20253],{"class":5239,"line":14888},[5237,20254,5481],{"emptyLinePlaceholder":5480},[5237,20256,20258],{"class":5239,"line":20257},130,[5237,20259,20260],{"class":5313},"\u002F\u002F Error middleware (останнім)\n",[5237,20262,20264,20266,20268,20270,20272,20274],{"class":5239,"line":20263},131,[5237,20265,10285],{"class":5255},[5237,20267,5300],{"class":5251},[5237,20269,11843],{"class":5247},[5237,20271,5252],{"class":5251},[5237,20273,20158],{"class":5255},[5237,20275,5375],{"class":5251},[5237,20277,20279],{"class":5239,"line":20278},132,[5237,20280,5481],{"emptyLinePlaceholder":5480},[5237,20282,20284],{"class":5239,"line":20283},133,[5237,20285,20286],{"class":5313},"\u002F\u002F Глобальні обробники\n",[5237,20288,20290,20292,20294,20296,20298,20300,20302,20304,20306,20308,20310,20312],{"class":5239,"line":20289},134,[5237,20291,9058],{"class":5255},[5237,20293,5300],{"class":5251},[5237,20295,9063],{"class":5247},[5237,20297,5252],{"class":5251},[5237,20299,9068],{"class":5371},[5237,20301,5432],{"class":5251},[5237,20303,5412],{"class":5255},[5237,20305,5259],{"class":5251},[5237,20307,6408],{"class":5262},[5237,20309,5705],{"class":5251},[5237,20311,5708],{"class":5243},[5237,20313,5272],{"class":5251},[5237,20315,20317,20319,20321,20323,20325,20328],{"class":5239,"line":20316},135,[5237,20318,5522],{"class":5255},[5237,20320,5300],{"class":5251},[5237,20322,5412],{"class":5247},[5237,20324,5252],{"class":5251},[5237,20326,20327],{"class":5371},"'Uncaught Exception detected'",[5237,20329,5375],{"class":5251},[5237,20331,20333,20335,20337,20339,20341,20343],{"class":5239,"line":20332},136,[5237,20334,19933],{"class":5255},[5237,20336,5300],{"class":5251},[5237,20338,19938],{"class":5247},[5237,20340,5252],{"class":5251},[5237,20342,5412],{"class":5255},[5237,20344,5375],{"class":5251},[5237,20346,20348],{"class":5239,"line":20347},137,[5237,20349,6307],{"class":5251},[5237,20351,20353],{"class":5239,"line":20352},138,[5237,20354,5481],{"emptyLinePlaceholder":5480},[5237,20356,20358,20360,20362,20364,20366,20368,20370,20372,20374,20376,20378,20380],{"class":5239,"line":20357},139,[5237,20359,9058],{"class":5255},[5237,20361,5300],{"class":5251},[5237,20363,9063],{"class":5247},[5237,20365,5252],{"class":5251},[5237,20367,9405],{"class":5371},[5237,20369,5432],{"class":5251},[5237,20371,9410],{"class":5255},[5237,20373,5259],{"class":5251},[5237,20375,5269],{"class":5262},[5237,20377,5705],{"class":5251},[5237,20379,5708],{"class":5243},[5237,20381,5272],{"class":5251},[5237,20383,20385,20387,20389,20391],{"class":5239,"line":20384},140,[5237,20386,9223],{"class":5278},[5237,20388,10097],{"class":5255},[5237,20390,5459],{"class":5251},[5237,20392,20393],{"class":5313},"\u002F\u002F Перетворюємо на uncaughtException для єдиної обробки\n",[5237,20395,20397],{"class":5239,"line":20396},141,[5237,20398,6307],{"class":5251},[5237,20400,20402],{"class":5239,"line":20401},142,[5237,20403,5481],{"emptyLinePlaceholder":5480},[5237,20405,20407],{"class":5239,"line":20406},143,[5237,20408,20409],{"class":5313},"\u002F\u002F Graceful shutdown\n",[5237,20411,20413,20415,20417,20419,20421,20423,20425,20427,20430,20432],{"class":5239,"line":20412},144,[5237,20414,9058],{"class":5255},[5237,20416,5300],{"class":5251},[5237,20418,9063],{"class":5247},[5237,20420,5252],{"class":5251},[5237,20422,11217],{"class":5371},[5237,20424,5105],{"class":5251},[5237,20426,5160],{"class":5243},[5237,20428,20429],{"class":5251}," () ",[5237,20431,5708],{"class":5243},[5237,20433,5272],{"class":5251},[5237,20435,20437,20439,20441,20443,20445,20448],{"class":5239,"line":20436},145,[5237,20438,5522],{"class":5255},[5237,20440,5300],{"class":5251},[5237,20442,5527],{"class":5247},[5237,20444,5252],{"class":5251},[5237,20446,20447],{"class":5371},"'SIGTERM received, closing server...'",[5237,20449,5375],{"class":5251},[5237,20451,20453],{"class":5239,"line":20452},146,[5237,20454,20455],{"class":5313},"  \u002F\u002F Закриття ресурсів...\n",[5237,20457,20459,20461,20463,20465,20467,20469],{"class":5239,"line":20458},147,[5237,20460,5587],{"class":5255},[5237,20462,5300],{"class":5251},[5237,20464,5592],{"class":5247},[5237,20466,5252],{"class":5251},[5237,20468,11189],{"class":5597},[5237,20470,5375],{"class":5251},[5237,20472,20474],{"class":5239,"line":20473},148,[5237,20475,6307],{"class":5251},[5237,20477,20479],{"class":5239,"line":20478},149,[5237,20480,5481],{"emptyLinePlaceholder":5480},[5237,20482,20484,20486,20488,20490,20492,20494,20496,20498,20500,20502,20504],{"class":5239,"line":20483},150,[5237,20485,9725],{"class":5243},[5237,20487,10431],{"class":5290},[5237,20489,5294],{"class":5251},[5237,20491,9058],{"class":5255},[5237,20493,5300],{"class":5251},[5237,20495,10753],{"class":5255},[5237,20497,5300],{"class":5251},[5237,20499,10452],{"class":5290},[5237,20501,6845],{"class":5251},[5237,20503,10436],{"class":5597},[5237,20505,5397],{"class":5251},[5237,20507,20509,20511,20513,20515,20517,20519,20521,20523],{"class":5239,"line":20508},151,[5237,20510,10285],{"class":5255},[5237,20512,5300],{"class":5251},[5237,20514,10447],{"class":5247},[5237,20516,5252],{"class":5251},[5237,20518,10452],{"class":5290},[5237,20520,10455],{"class":5251},[5237,20522,5708],{"class":5243},[5237,20524,5272],{"class":5251},[5237,20526,20528,20530,20532,20534,20536,20539,20541,20543,20545,20547],{"class":5239,"line":20527},152,[5237,20529,5522],{"class":5255},[5237,20531,5300],{"class":5251},[5237,20533,5527],{"class":5247},[5237,20535,5252],{"class":5251},[5237,20537,20538],{"class":5371},"`Server running on port ",[5237,20540,6454],{"class":5243},[5237,20542,10452],{"class":5290},[5237,20544,6459],{"class":5243},[5237,20546,10481],{"class":5371},[5237,20548,5375],{"class":5251},[5237,20550,20552],{"class":5239,"line":20551},153,[5237,20553,6307],{"class":5251},[5198,20555,20557],{"id":20556},"підсумок-та-ключові-висновки","Підсумок та ключові висновки",[5084,20559,20560,20604,20652],{},[5087,20561,20564],{"icon":20562,"title":20563},"i-lucide-check-circle","✅ Ключові практики",[5092,20565,20566,20580,20586,20592,20598],{},[5095,20567,20568,20571,20572,20574,20575,5105,20577,20579],{},[5132,20569,20570],{},"Розрізняйте"," синхронні (",[5102,20573,5104],{},") та асинхронні (",[5102,20576,5108],{},[5102,20578,6032],{},") помилки.",[5095,20581,20582,20585],{},[5132,20583,20584],{},"Завжди обробляйте"," проміси — необроблені rejection призводять до завершення процесу.",[5095,20587,20588,20591],{},[5132,20589,20590],{},"Використовуйте"," власні класи помилок для семантичного розмежування типів помилок.",[5095,20593,20594,20597],{},[5132,20595,20596],{},"Реалізуйте"," graceful shutdown для коректного звільнення ресурсів перед завершенням.",[5095,20599,20600,20603],{},[5132,20601,20602],{},"Логуйте"," всі помилки з повним контекстом (stack trace, userId, operation).",[5087,20605,20608],{"icon":20606,"title":20607},"i-lucide-alert-triangle","⚠️ Чого уникати",[5092,20609,20610,20621,20627,20635,20646],{},[5095,20611,20612,9278,20615,20617,20618,20620],{},[5132,20613,20614],{},"Не ігноруйте",[5102,20616,9034],{}," та ",[5102,20619,9371],{}," — вони сигналізують про критичні проблеми.",[5095,20622,20623,20626],{},[5132,20624,20625],{},"Не продовжуйте"," роботу після програмних помилок — стан застосунку невизначений.",[5095,20628,20629,9278,20632,20634],{},[5132,20630,20631],{},"Не використовуйте",[5102,20633,5104],{}," для callback-функцій — це не працює.",[5095,20636,20637,20640,20641,20643,20644,9671],{},[5132,20638,20639],{},"Не забувайте"," про ",[5102,20642,6016],{}," перед асинхронними викликами у ",[5102,20645,5160],{},[5095,20647,20648,20651],{},[5132,20649,20650],{},"Не блокуйте"," graceful shutdown — таймаути запобігають зависанню процесу.",[5087,20653,20655],{"icon":3028,"title":20654},"🔧 Інструменти та бібліотеки",[5092,20656,20657,20663,20668,20674,20680],{},[5095,20658,20659,20662],{},[5132,20660,20661],{},"Winston"," — потужний структурований логер для Node.js.",[5095,20664,20665,20667],{},[5132,20666,18297],{}," — сервіс моніторингу помилок та performance tracking.",[5095,20669,20670,20673],{},[5132,20671,20672],{},"source-map-support"," — мапування TypeScript stack trace на оригінальний код.",[5095,20675,20676,20679],{},[5132,20677,20678],{},"ESLint"," — статичний аналіз для виявлення необроблених промісів.",[5095,20681,20682,20685],{},[5132,20683,20684],{},"PM2 \u002F Kubernetes"," — автоматичний перезапуск процесів після збоїв.",[5198,20687,20689],{"id":20688},"практичні-вправи-для-закріплення","Практичні вправи для закріплення",[20691,20692,20693,20748,20771],"accordion",{},[20694,20695,20698,20705,20719,20722],"accordion-item",{"icon":20696,"label":20697},"i-lucide-code","❓ Вправа 1: Обробка помилок у ланцюжку промісів",[5203,20699,20700,20701,20704],{},"Напишіть функцію ",[5102,20702,20703],{},"processOrder(orderId: string)",", яка:",[6312,20706,20707,20710,20713,20716],{},[5095,20708,20709],{},"Завантажує замовлення з БД.",[5095,20711,20712],{},"Перевіряє наявність товарів на складі.",[5095,20714,20715],{},"Створює платіж.",[5095,20717,20718],{},"Відправляє email-підтвердження.",[5203,20720,20721],{},"Обробіть помилки кожного етапу окремо:",[5092,20723,20724,20730,20736,20742],{},[5095,20725,20726,20729],{},[5102,20727,20728],{},"NotFoundError"," — замовлення не знайдено.",[5095,20731,20732,20735],{},[5102,20733,20734],{},"OutOfStockError"," — товари відсутні.",[5095,20737,20738,20741],{},[5102,20739,20740],{},"PaymentError"," — помилка платежу.",[5095,20743,20744,20747],{},[5102,20745,20746],{},"EmailError"," — помилка відправки email (не критична).",[20694,20749,20751,20754],{"icon":20696,"label":20750},"❓ Вправа 2: Graceful Shutdown для WebSocket сервера",[5203,20752,20753],{},"Реалізуйте graceful shutdown для WebSocket-сервера, що:",[6312,20755,20756,20759,20762,20765,20768],{},[5095,20757,20758],{},"Припиняє прийом нових підключень.",[5095,20760,20761],{},"Відправляє всім клієнтам повідомлення про закриття.",[5095,20763,20764],{},"Очікує закриття всіх активних з'єднань (max 10 секунд).",[5095,20766,20767],{},"Закриває підключення до Redis.",[5095,20769,20770],{},"Завершує процес з кодом 0.",[20694,20772,20774,20781,20801],{"icon":20696,"label":20773},"❓ Вправа 3: Власний клас помилки для Rate Limiting",[5203,20775,20776,20777,20780],{},"Створіть клас ",[5102,20778,20779],{},"RateLimitError",", що містить:",[5092,20782,20783,20789,20795],{},[5095,20784,20785,20788],{},[5102,20786,20787],{},"limit"," — ліміт запитів.",[5095,20790,20791,20794],{},[5102,20792,20793],{},"window"," — часове вікно (наприклад, \"1 хвилина\").",[5095,20796,20797,20800],{},[5102,20798,20799],{},"retryAfter"," — час у секундах до наступної спроби.",[5203,20802,20803],{},"Використайте його у Express middleware для обмеження запитів.",[8204,20805,20806,20811],{},[5203,20807,20808],{},[5132,20809,20810],{},"Рекомендована література:",[5092,20812,20813,20822,20829],{},[5095,20814,20815],{},[20816,20817,20821],"a",{"href":20818,"rel":20819},"https:\u002F\u002Fgithub.com\u002Fgoldbergyoni\u002Fnodebestpractices#2-error-handling-practices",[20820],"nofollow","Node.js Best Practices — Error Handling",[5095,20823,20824],{},[20816,20825,20828],{"href":20826,"rel":20827},"https:\u002F\u002Fwww.joyent.com\u002Fnode-js\u002Fproduction\u002Fdesign\u002Ferrors",[20820],"Joyent: Error Handling in 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