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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":4551,"body":5076,"description":5218,"extension":19578,"links":19579,"meta":19580,"navigation":5556,"path":4552,"seo":19581,"stem":4553,"__hash__":19582},"docs\u002F18.web-development\u002F11.entity-relations-migrations\u002F01-one-to-many-many-to-one.md",{"type":5077,"value":5078,"toc":19503},"minimark",[5079,5083,5183,5186,5191,5196,5203,5210,5299,5304,5352,5368,5372,5377,5397,5402,5422,5427,5441,5445,5460,5465,5678,5683,5748,5761,5763,5769,5776,5785,5790,6116,6121,6190,6214,6218,6235,6240,6338,6345,6351,6354,6486,6491,6611,6645,6647,6652,6658,6673,6678,6950,6954,7002,7006,7014,7028,7034,7129,7144,7149,7157,7209,7214,7292,7319,7321,7325,7329,7342,7347,7380,7385,7388,7479,7484,7490,7501,7506,7594,7599,7672,7677,7781,7813,7821,7824,7831,7904,7910,7915,7920,8137,8142,8255,8268,8270,8274,8278,8295,8302,8431,8436,8508,8513,8576,8580,8593,8598,8723,8727,8828,8833,8893,8906,8910,8915,8921,8929,8935,8946,8951,8955,8963,8967,8988,8992,8997,9012,9017,9031,9036,9057,9059,9063,9071,9077,9082,9167,9172,9228,9233,9242,9335,9340,9394,9400,9403,9521,9526,9550,9555,9628,9653,9657,9660,9665,9925,9930,10050,10054,10060,10065,10220,10227,10338,10343,10376,10381,10434,10439,10450,10462,10464,10468,10472,10485,10547,10551,10554,10613,10619,10628,10756,10760,10903,10907,10997,11004,11007,11012,11076,11081,11263,11269,11277,11281,11342,11410,11439,11444,11625,11655,11657,11661,11665,11673,11792,11796,11832,11837,11840,11934,11942,11946,11953,12098,12102,12177,12182,12300,12307,12323,12328,12649,12653,12656,12663,12748,12753,12858,12866,12920,12924,13012,13043,13045,13049,13055,13061,13069,13150,13213,13221,13313,13371,13379,13461,13515,13519,13532,13537,13716,13720,13797,13802,13828,13833,13964,13997,14001,14007,14011,14128,14133,14293,14308,14312,14317,14370,14374,14385,14390,14416,14420,14431,14435,14444,14446,14450,14454,14459,14752,15097,15102,16166,16171,16762,16766,16771,17017,17317,17322,18270,18274,18279,18422,18427,18556,18561,18704,18709,18911,18934,18936,18940,19093,19095,19099,19499],[5080,5081,4551],"h1",{"id":5082},"звязки-one-to-many-та-many-to-one",[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 концепцію зв'язків One-to-Many та Many-to-One у реляційних базах даних та їх реалізацію через TypeORM.",[5095,5099,5100,5101,5105,5106,5109],{},"Вивчити декоратори ",[5102,5103,5104],"code",{},"@ManyToOne"," та ",[5102,5107,5108],{},"@OneToMany"," для створення двонаправлених зв'язків між Entity класами.",[5095,5111,5112,5113,5117],{},"Навчитися налаштовувати поведінку зовнішніх ключів (",[5114,5115,5116],"em",{},"foreign keys","): каскадні операції, стратегії видалення та оновлення.",[5095,5119,5120],{},"Освоїти завантаження зв'язаних даних через Eager loading, Lazy loading та QueryBuilder для уникнення N+1 проблеми.",[5095,5122,5123],{},"Зрозуміти практичні сценарії створення, оновлення та видалення зв'язаних entities у NestJS застосунках.",[5087,5125,5127],{"icon":4574,"title":5126},"🔑 Ключові терміни",[5092,5128,5129,5136,5142,5148,5165,5171,5177],{},[5095,5130,5131,5135],{},[5132,5133,5134],"strong",{},"One-to-Many (Один до багатьох):"," тип зв'язку, де один запис батьківської таблиці може бути пов'язаний з багатьма записами дочірньої таблиці.",[5095,5137,5138,5141],{},[5132,5139,5140],{},"Many-to-One (Багато до одного):"," зворотний бік One-to-Many зв'язку, де багато записів дочірньої таблиці посилаються на один запис батьківської таблиці.",[5095,5143,5144,5147],{},[5132,5145,5146],{},"Foreign Key (Зовнішній ключ):"," колонка у дочірній таблиці, що зберігає primary key батьківської таблиці для встановлення зв'язку.",[5095,5149,5150,5153,5154,5157,5158,5157,5161,5164],{},[5132,5151,5152],{},"Cascade Operations (Каскадні операції):"," автоматичне поширення операцій (",[5102,5155,5156],{},"insert",", ",[5102,5159,5160],{},"update",[5102,5162,5163],{},"remove",") від батьківської entity на зв'язані дочірні entities.",[5095,5166,5167,5170],{},[5132,5168,5169],{},"Eager Loading:"," автоматичне завантаження зв'язаних даних при кожному запиті до батьківської entity.",[5095,5172,5173,5176],{},[5132,5174,5175],{},"Lazy Loading:"," відкладене завантаження зв'язаних даних лише при явному зверненні до відповідної властивості.",[5095,5178,5179,5182],{},[5132,5180,5181],{},"N+1 Problem:"," проблема продуктивності, коли для завантаження колекції з N елементів виконується 1 запит для батьківських entities + N додаткових запитів для кожної дочірньої entity.",[5184,5185],"hr",{},[5187,5188,5190],"h2",{"id":5189},"концепція-звязків-one-to-many-many-to-one","Концепція зв'язків One-to-Many \u002F Many-to-One",[5192,5193,5195],"h3",{"id":5194},"що-означає-one-to-many","Що означає One-to-Many",[5197,5198,5199,5202],"p",{},[5132,5200,5201],{},"One-to-Many (один до багатьох)"," — це фундаментальний тип зв'язку у реляційних базах даних, де один запис у батьківській таблиці може мати декілька пов'язаних записів у дочірній таблиці. Це найпоширеніший тип відносин у реальних системах, оскільки моделює ієрархічну природу даних.",[5197,5204,5205,5206,5209],{},"Розглянемо класичний приклад: ",[5132,5207,5208],{},"користувачі та їхні пости",".",[5211,5212,5213],"mermaid",{},[5214,5215,5219],"pre",{"className":5216,"code":5217,"language":5211,"meta":5218,"style":5218},"language-mermaid shiki shiki-themes light-plus dark-plus dark-plus","erDiagram\n    USER ||--o{ POST : \"створює\"\n    USER {\n        int id PK\n        string email\n        string name\n    }\n    POST {\n        int id PK\n        string title\n        string content\n        int user_id FK\n    }\n","",[5102,5220,5221,5229,5235,5241,5247,5253,5259,5265,5271,5276,5282,5288,5294],{"__ignoreMap":5218},[5222,5223,5226],"span",{"class":5224,"line":5225},"line",1,[5222,5227,5228],{},"erDiagram\n",[5222,5230,5232],{"class":5224,"line":5231},2,[5222,5233,5234],{},"    USER ||--o{ POST : \"створює\"\n",[5222,5236,5238],{"class":5224,"line":5237},3,[5222,5239,5240],{},"    USER {\n",[5222,5242,5244],{"class":5224,"line":5243},4,[5222,5245,5246],{},"        int id PK\n",[5222,5248,5250],{"class":5224,"line":5249},5,[5222,5251,5252],{},"        string email\n",[5222,5254,5256],{"class":5224,"line":5255},6,[5222,5257,5258],{},"        string name\n",[5222,5260,5262],{"class":5224,"line":5261},7,[5222,5263,5264],{},"    }\n",[5222,5266,5268],{"class":5224,"line":5267},8,[5222,5269,5270],{},"    POST {\n",[5222,5272,5274],{"class":5224,"line":5273},9,[5222,5275,5246],{},[5222,5277,5279],{"class":5224,"line":5278},10,[5222,5280,5281],{},"        string title\n",[5222,5283,5285],{"class":5224,"line":5284},11,[5222,5286,5287],{},"        string content\n",[5222,5289,5291],{"class":5224,"line":5290},12,[5222,5292,5293],{},"        int user_id FK\n",[5222,5295,5297],{"class":5224,"line":5296},13,[5222,5298,5264],{},[5197,5300,5301],{},[5132,5302,5303],{},"Пояснення діаграми:",[5092,5305,5306,5321,5328],{},[5095,5307,5308,5309,5312,5313,5316,5317,5320],{},"Один користувач (",[5102,5310,5311],{},"USER",") може створити багато постів (",[5102,5314,5315],{},"POST",") — це ",[5132,5318,5319],{},"One-to-Many"," зв'язок з боку User.",[5095,5322,5323,5324,5327],{},"Кожен пост належить рівно одному користувачу — це ",[5132,5325,5326],{},"Many-to-One"," зв'язок з боку Post.",[5095,5329,5330,5331,5334,5335,5337,5338,5341,5342,5345,5346,5349,5350,5209],{},"Колонка ",[5102,5332,5333],{},"user_id"," у таблиці ",[5102,5336,5315],{}," є ",[5132,5339,5340],{},"зовнішнім ключем"," (",[5114,5343,5344],{},"foreign key","), що зберігає посилання на ",[5102,5347,5348],{},"id"," з таблиці ",[5102,5351,5311],{},[5353,5354,5355,5358,5361,5362,5364,5365,5367],"note",{},[5132,5356,5357],{},"Двостороння природа зв'язку:",[5359,5360],"br",{},"\nOne-to-Many та Many-to-One — це дві назви для одного й того ж зв'язку, що розглядаються з різних сторін таблиць. У TypeORM ви оголошуєте обидві сторони зв'язку через декоратори ",[5102,5363,5108],{}," (на батьківській entity) та ",[5102,5366,5104],{}," (на дочірній entity).",[5192,5369,5371],{"id":5370},"приклади-з-реального-світу","Приклади з реального світу",[5197,5373,5374],{},[5132,5375,5376],{},"1. Блог-платформа:",[5092,5378,5379,5385,5391],{},[5095,5380,5381,5384],{},[5132,5382,5383],{},"User → Posts:"," Один користувач пише багато статей.",[5095,5386,5387,5390],{},[5132,5388,5389],{},"Category → Posts:"," Одна категорія містить багато статей.",[5095,5392,5393,5396],{},[5132,5394,5395],{},"Post → Comments:"," Один пост має багато коментарів.",[5197,5398,5399],{},[5132,5400,5401],{},"2. E-commerce система:",[5092,5403,5404,5410,5416],{},[5095,5405,5406,5409],{},[5132,5407,5408],{},"Customer → Orders:"," Один клієнт може створити багато замовлень.",[5095,5411,5412,5415],{},[5132,5413,5414],{},"Order → OrderItems:"," Одне замовлення містить багато товарних позицій.",[5095,5417,5418,5421],{},[5132,5419,5420],{},"Product → Reviews:"," Один товар має багато відгуків.",[5197,5423,5424],{},[5132,5425,5426],{},"3. Університетська система:",[5092,5428,5429,5435],{},[5095,5430,5431,5434],{},[5132,5432,5433],{},"Professor → Courses:"," Один викладач веде багато курсів.",[5095,5436,5437,5440],{},[5132,5438,5439],{},"Student → Enrollments:"," Один студент може бути зареєстрований на багато курсів (через проміжну таблицю enrollments).",[5192,5442,5444],{"id":5443},"foreign-key-у-реляційних-бд","Foreign Key у реляційних БД",[5197,5446,5447,5341,5450,5452,5453,5341,5456,5459],{},[5132,5448,5449],{},"Зовнішній ключ",[5114,5451,5344],{},", FK) — це механізм забезпечення ",[5132,5454,5455],{},"референційної цілісності",[5114,5457,5458],{},"referential integrity",") у реляційних базах даних. Він гарантує, що значення у дочірній таблиці завжди посилається на існуючий запис у батьківській таблиці.",[5197,5461,5462],{},[5132,5463,5464],{},"SQL-приклад створення таблиць з FK:",[5214,5466,5470],{"className":5467,"code":5468,"language":5469,"meta":5218,"style":5218},"language-sql shiki shiki-themes light-plus dark-plus dark-plus","CREATE TABLE users (\n    id SERIAL PRIMARY KEY,\n    email VARCHAR(255) UNIQUE NOT NULL,\n    name VARCHAR(100) NOT NULL\n);\n\nCREATE TABLE posts (\n    id SERIAL PRIMARY KEY,\n    title VARCHAR(255) NOT NULL,\n    content TEXT NOT NULL,\n    user_id INTEGER NOT NULL,\n    created_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP,\n    CONSTRAINT fk_posts_user FOREIGN KEY (user_id) \n        REFERENCES users(id) \n        ON DELETE CASCADE \n        ON UPDATE CASCADE\n);\n","sql",[5102,5471,5472,5489,5503,5529,5547,5552,5558,5569,5579,5597,5609,5621,5635,5649,5658,5667,5673],{"__ignoreMap":5218},[5222,5473,5474,5478,5481,5485],{"class":5224,"line":5225},[5222,5475,5477],{"class":5476},"su1O8","CREATE",[5222,5479,5480],{"class":5476}," TABLE",[5222,5482,5484],{"class":5483},"s8Opu"," users",[5222,5486,5488],{"class":5487},"sHH4Y"," (\n",[5222,5490,5491,5494,5497,5500],{"class":5224,"line":5231},[5222,5492,5493],{"class":5487},"    id ",[5222,5495,5496],{"class":5476},"SERIAL",[5222,5498,5499],{"class":5476}," PRIMARY KEY",[5222,5501,5502],{"class":5487},",\n",[5222,5504,5505,5508,5511,5514,5518,5521,5524,5527],{"class":5224,"line":5237},[5222,5506,5507],{"class":5487},"    email ",[5222,5509,5510],{"class":5476},"VARCHAR",[5222,5512,5513],{"class":5487},"(",[5222,5515,5517],{"class":5516},"sJj4R","255",[5222,5519,5520],{"class":5487},") ",[5222,5522,5523],{"class":5476},"UNIQUE",[5222,5525,5526],{"class":5476}," NOT NULL",[5222,5528,5502],{"class":5487},[5222,5530,5531,5534,5537,5539,5542,5544],{"class":5224,"line":5243},[5222,5532,5533],{"class":5476},"    name",[5222,5535,5536],{"class":5476}," VARCHAR",[5222,5538,5513],{"class":5487},[5222,5540,5541],{"class":5516},"100",[5222,5543,5520],{"class":5487},[5222,5545,5546],{"class":5476},"NOT NULL\n",[5222,5548,5549],{"class":5224,"line":5249},[5222,5550,5551],{"class":5487},");\n",[5222,5553,5554],{"class":5224,"line":5255},[5222,5555,5557],{"emptyLinePlaceholder":5556},true,"\n",[5222,5559,5560,5562,5564,5567],{"class":5224,"line":5261},[5222,5561,5477],{"class":5476},[5222,5563,5480],{"class":5476},[5222,5565,5566],{"class":5483}," posts",[5222,5568,5488],{"class":5487},[5222,5570,5571,5573,5575,5577],{"class":5224,"line":5267},[5222,5572,5493],{"class":5487},[5222,5574,5496],{"class":5476},[5222,5576,5499],{"class":5476},[5222,5578,5502],{"class":5487},[5222,5580,5581,5584,5586,5588,5590,5592,5595],{"class":5224,"line":5273},[5222,5582,5583],{"class":5487},"    title ",[5222,5585,5510],{"class":5476},[5222,5587,5513],{"class":5487},[5222,5589,5517],{"class":5516},[5222,5591,5520],{"class":5487},[5222,5593,5594],{"class":5476},"NOT NULL",[5222,5596,5502],{"class":5487},[5222,5598,5599,5602,5605,5607],{"class":5224,"line":5278},[5222,5600,5601],{"class":5487},"    content ",[5222,5603,5604],{"class":5476},"TEXT",[5222,5606,5526],{"class":5476},[5222,5608,5502],{"class":5487},[5222,5610,5611,5614,5617,5619],{"class":5224,"line":5284},[5222,5612,5613],{"class":5487},"    user_id ",[5222,5615,5616],{"class":5476},"INTEGER",[5222,5618,5526],{"class":5476},[5222,5620,5502],{"class":5487},[5222,5622,5623,5626,5629,5632],{"class":5224,"line":5290},[5222,5624,5625],{"class":5487},"    created_at ",[5222,5627,5628],{"class":5476},"TIMESTAMP",[5222,5630,5631],{"class":5476}," DEFAULT",[5222,5633,5634],{"class":5487}," CURRENT_TIMESTAMP,\n",[5222,5636,5637,5640,5643,5646],{"class":5224,"line":5296},[5222,5638,5639],{"class":5476},"    CONSTRAINT",[5222,5641,5642],{"class":5487}," fk_posts_user ",[5222,5644,5645],{"class":5476},"FOREIGN KEY",[5222,5647,5648],{"class":5487}," (user_id) \n",[5222,5650,5652,5655],{"class":5224,"line":5651},14,[5222,5653,5654],{"class":5476},"        REFERENCES",[5222,5656,5657],{"class":5487}," users(id) \n",[5222,5659,5661,5664],{"class":5224,"line":5660},15,[5222,5662,5663],{"class":5476},"        ON DELETE CASCADE",[5222,5665,5666],{"class":5487}," \n",[5222,5668,5670],{"class":5224,"line":5669},16,[5222,5671,5672],{"class":5476},"        ON UPDATE CASCADE\n",[5222,5674,5676],{"class":5224,"line":5675},17,[5222,5677,5551],{"class":5487},[5197,5679,5680],{},[5132,5681,5682],{},"Що робить foreign key constraint:",[5684,5685,5686,5703,5735],"ol",{},[5095,5687,5688,5691,5692,5695,5696,5699,5700,5209],{},[5132,5689,5690],{},"Запобігає створенню \"сирітських\" записів:"," Ви не можете створити пост з ",[5102,5693,5694],{},"user_id = 999",", якщо користувача з ",[5102,5697,5698],{},"id = 999"," не існує у таблиці ",[5102,5701,5702],{},"users",[5095,5704,5705,5708],{},[5132,5706,5707],{},"Контролює поведінку при видаленні батьківського запису:",[5092,5709,5710,5716,5729],{},[5095,5711,5712,5715],{},[5102,5713,5714],{},"ON DELETE CASCADE"," — при видаленні користувача всі його пости автоматично видаляються.",[5095,5717,5718,5721,5722,5724,5725,5728],{},[5102,5719,5720],{},"ON DELETE SET NULL"," — при видаленні користувача ",[5102,5723,5333],{}," у постах встановлюється у ",[5102,5726,5727],{},"NULL"," (потрібно, щоб колонка дозволяла NULL).",[5095,5730,5731,5734],{},[5102,5732,5733],{},"ON DELETE RESTRICT"," (за замовчуванням) — заборона видалення користувача, якщо у нього є пости.",[5095,5736,5737,5740],{},[5132,5738,5739],{},"Контролює поведінку при оновленні:",[5092,5741,5742],{},[5095,5743,5744,5747],{},[5102,5745,5746],{},"ON UPDATE CASCADE"," — якщо primary key користувача змінився (рідкісний випадок), foreign key у постах автоматично оновиться.",[5749,5750,5751,5754,5756,5757,5760],"warning",{},[5132,5752,5753],{},"Важливість референційної цілісності:",[5359,5755],{},"\nБез foreign key constraints ваша база даних може опинитися у ",[5132,5758,5759],{},"несумісному стані"," — наприклад, пост посилається на неіснуючого користувача. TypeORM автоматично створює foreign key constraints при синхронізації схеми або міграціях, але ви маєте контролювати їх поведінку через декоратори.",[5184,5762],{},[5187,5764,5766,5767],{"id":5765},"декоратор-manytoone","Декоратор ",[5102,5768,5104],{},[5192,5770,5772,5773],{"id":5771},"синтаксис-manytoone-parententity","Синтаксис: ",[5102,5774,5775],{},"@ManyToOne(() => ParentEntity)",[5197,5777,5766,5778,5780,5781,5784],{},[5102,5779,5104],{}," використовується на ",[5132,5782,5783],{},"дочірній entity"," (тій, що містить foreign key) для визначення зв'язку \"багато до одного\". TypeORM автоматично створить колонку foreign key у базі даних.",[5197,5786,5787],{},[5132,5788,5789],{},"Базовий приклад — Post entity:",[5214,5791,5796],{"className":5792,"code":5793,"filename":5794,"language":5795,"meta":5218,"style":5218},"language-typescript shiki shiki-themes light-plus dark-plus dark-plus","import { Entity, PrimaryGeneratedColumn, Column, ManyToOne, CreateDateColumn } from 'typeorm';\nimport { User } from '.\u002Fuser.entity';\n\n@Entity('posts')\nexport class Post {\n  @PrimaryGeneratedColumn()\n  id: number;\n\n  @Column({ type: 'varchar', length: 255 })\n  title: string;\n\n  @Column({ type: 'text' })\n  content: string;\n\n  \u002F\u002F ===== Many-to-One зв'язок: багато постів належать одному користувачу =====\n  @ManyToOne(() => User, (user) => user.posts, {\n    nullable: false,  \u002F\u002F user_id не може бути NULL\n    onDelete: 'CASCADE',  \u002F\u002F При видаленні користувача видаляються його пости\n  })\n  user: User;\n\n  @CreateDateColumn()\n  createdAt: Date;\n}\n","src\u002Fentities\u002Fpost.entity.ts","typescript",[5102,5797,5798,5844,5862,5866,5881,5896,5906,5919,5923,5949,5961,5965,5980,5991,5995,6001,6037,6051,6065,6071,6083,6088,6097,6110],{"__ignoreMap":5218},[5222,5799,5800,5804,5807,5811,5813,5816,5818,5821,5823,5826,5828,5831,5834,5837,5841],{"class":5224,"line":5225},[5222,5801,5803],{"class":5802},"s8xlr","import",[5222,5805,5806],{"class":5487}," { ",[5222,5808,5810],{"class":5809},"siwwj","Entity",[5222,5812,5157],{"class":5487},[5222,5814,5815],{"class":5809},"PrimaryGeneratedColumn",[5222,5817,5157],{"class":5487},[5222,5819,5820],{"class":5809},"Column",[5222,5822,5157],{"class":5487},[5222,5824,5825],{"class":5809},"ManyToOne",[5222,5827,5157],{"class":5487},[5222,5829,5830],{"class":5809},"CreateDateColumn",[5222,5832,5833],{"class":5487}," } ",[5222,5835,5836],{"class":5802},"from",[5222,5838,5840],{"class":5839},"sbdoH"," 'typeorm'",[5222,5842,5843],{"class":5487},";\n",[5222,5845,5846,5848,5850,5853,5855,5857,5860],{"class":5224,"line":5231},[5222,5847,5803],{"class":5802},[5222,5849,5806],{"class":5487},[5222,5851,5852],{"class":5809},"User",[5222,5854,5833],{"class":5487},[5222,5856,5836],{"class":5802},[5222,5858,5859],{"class":5839}," '.\u002Fuser.entity'",[5222,5861,5843],{"class":5487},[5222,5863,5864],{"class":5224,"line":5237},[5222,5865,5557],{"emptyLinePlaceholder":5556},[5222,5867,5868,5871,5873,5875,5878],{"class":5224,"line":5243},[5222,5869,5870],{"class":5487},"@",[5222,5872,5810],{"class":5483},[5222,5874,5513],{"class":5487},[5222,5876,5877],{"class":5839},"'posts'",[5222,5879,5880],{"class":5487},")\n",[5222,5882,5883,5886,5889,5893],{"class":5224,"line":5249},[5222,5884,5885],{"class":5802},"export",[5222,5887,5888],{"class":5476}," class",[5222,5890,5892],{"class":5891},"sN1BT"," Post",[5222,5894,5895],{"class":5487}," {\n",[5222,5897,5898,5901,5903],{"class":5224,"line":5255},[5222,5899,5900],{"class":5487},"  @",[5222,5902,5815],{"class":5483},[5222,5904,5905],{"class":5487},"()\n",[5222,5907,5908,5911,5914,5917],{"class":5224,"line":5261},[5222,5909,5910],{"class":5809},"  id",[5222,5912,5913],{"class":5487},": ",[5222,5915,5916],{"class":5891},"number",[5222,5918,5843],{"class":5487},[5222,5920,5921],{"class":5224,"line":5267},[5222,5922,5557],{"emptyLinePlaceholder":5556},[5222,5924,5925,5927,5929,5932,5935,5938,5940,5943,5946],{"class":5224,"line":5273},[5222,5926,5900],{"class":5487},[5222,5928,5820],{"class":5483},[5222,5930,5931],{"class":5487},"({ ",[5222,5933,5934],{"class":5809},"type:",[5222,5936,5937],{"class":5839}," 'varchar'",[5222,5939,5157],{"class":5487},[5222,5941,5942],{"class":5809},"length:",[5222,5944,5945],{"class":5516}," 255",[5222,5947,5948],{"class":5487}," })\n",[5222,5950,5951,5954,5956,5959],{"class":5224,"line":5278},[5222,5952,5953],{"class":5809},"  title",[5222,5955,5913],{"class":5487},[5222,5957,5958],{"class":5891},"string",[5222,5960,5843],{"class":5487},[5222,5962,5963],{"class":5224,"line":5284},[5222,5964,5557],{"emptyLinePlaceholder":5556},[5222,5966,5967,5969,5971,5973,5975,5978],{"class":5224,"line":5290},[5222,5968,5900],{"class":5487},[5222,5970,5820],{"class":5483},[5222,5972,5931],{"class":5487},[5222,5974,5934],{"class":5809},[5222,5976,5977],{"class":5839}," 'text'",[5222,5979,5948],{"class":5487},[5222,5981,5982,5985,5987,5989],{"class":5224,"line":5296},[5222,5983,5984],{"class":5809},"  content",[5222,5986,5913],{"class":5487},[5222,5988,5958],{"class":5891},[5222,5990,5843],{"class":5487},[5222,5992,5993],{"class":5224,"line":5651},[5222,5994,5557],{"emptyLinePlaceholder":5556},[5222,5996,5997],{"class":5224,"line":5660},[5222,5998,6000],{"class":5999},"spJ8K","  \u002F\u002F ===== Many-to-One зв'язок: багато постів належать одному користувачу =====\n",[5222,6002,6003,6005,6007,6010,6013,6016,6019,6022,6024,6026,6029,6031,6034],{"class":5224,"line":5669},[5222,6004,5900],{"class":5487},[5222,6006,5825],{"class":5483},[5222,6008,6009],{"class":5487},"(() ",[5222,6011,6012],{"class":5476},"=>",[5222,6014,6015],{"class":5809}," User",[5222,6017,6018],{"class":5487},", (",[5222,6020,6021],{"class":5809},"user",[5222,6023,5520],{"class":5487},[5222,6025,6012],{"class":5476},[5222,6027,6028],{"class":5809}," user",[5222,6030,5209],{"class":5487},[5222,6032,6033],{"class":5809},"posts",[5222,6035,6036],{"class":5487},", {\n",[5222,6038,6039,6042,6045,6048],{"class":5224,"line":5675},[5222,6040,6041],{"class":5809},"    nullable:",[5222,6043,6044],{"class":5476}," false",[5222,6046,6047],{"class":5487},",  ",[5222,6049,6050],{"class":5999},"\u002F\u002F user_id не може бути NULL\n",[5222,6052,6054,6057,6060,6062],{"class":5224,"line":6053},18,[5222,6055,6056],{"class":5809},"    onDelete:",[5222,6058,6059],{"class":5839}," 'CASCADE'",[5222,6061,6047],{"class":5487},[5222,6063,6064],{"class":5999},"\u002F\u002F При видаленні користувача видаляються його пости\n",[5222,6066,6068],{"class":5224,"line":6067},19,[5222,6069,6070],{"class":5487},"  })\n",[5222,6072,6074,6077,6079,6081],{"class":5224,"line":6073},20,[5222,6075,6076],{"class":5809},"  user",[5222,6078,5913],{"class":5487},[5222,6080,5852],{"class":5891},[5222,6082,5843],{"class":5487},[5222,6084,6086],{"class":5224,"line":6085},21,[5222,6087,5557],{"emptyLinePlaceholder":5556},[5222,6089,6091,6093,6095],{"class":5224,"line":6090},22,[5222,6092,5900],{"class":5487},[5222,6094,5830],{"class":5483},[5222,6096,5905],{"class":5487},[5222,6098,6100,6103,6105,6108],{"class":5224,"line":6099},23,[5222,6101,6102],{"class":5809},"  createdAt",[5222,6104,5913],{"class":5487},[5222,6106,6107],{"class":5891},"Date",[5222,6109,5843],{"class":5487},[5222,6111,6113],{"class":5224,"line":6112},24,[5222,6114,6115],{"class":5487},"}\n",[5197,6117,6118],{},[5132,6119,6120],{},"Пояснення коду:",[5684,6122,6123,6138,6156,6173],{},[5095,6124,6125,6130,6131,6133,6134,6137],{},[5132,6126,6127],{},[5102,6128,6129],{},"() => User"," — перший аргумент декоратора. Це функція, що повертає клас батьківської entity. Використання функції (а не прямого посилання ",[5102,6132,5852],{},") необхідне для уникнення проблем з циклічними залежностями (",[5114,6135,6136],{},"circular dependencies",") при імпортах.",[5095,6139,6140,6145,6146,6148,6149,6151,6152,6155],{},[5132,6141,6142],{},[5102,6143,6144],{},"(user) => user.posts"," — другий аргумент. Це callback-функція, що вказує на зворотну сторону зв'язку (властивість ",[5102,6147,6033],{}," у ",[5102,6150,5852],{}," entity). Цей параметр ",[5132,6153,6154],{},"опціональний",", але дозволяє TypeORM налаштувати двонаправлений зв'язок.",[5095,6157,6158,6163,6164,6167,6168,6170,6171,5209],{},[5132,6159,6160],{},[5102,6161,6162],{},"nullable: false"," — означає, що кожен пост ",[5132,6165,6166],{},"обов'язково"," має належати користувачу. На рівні БД колонка ",[5102,6169,5333],{}," буде мати constraint ",[5102,6172,5594],{},[5095,6174,6175,6180,6181,5157,6184,5157,6187,5209],{},[5132,6176,6177],{},[5102,6178,6179],{},"onDelete: 'CASCADE'"," — при видаленні користувача з БД всі його пости автоматично видаляються. Інші опції: ",[5102,6182,6183],{},"SET NULL",[5102,6185,6186],{},"RESTRICT",[5102,6188,6189],{},"NO ACTION",[6191,6192,6193,6199,6201,6202,6204,6205,6208,6209,6204,6211,6213],"tip",{},[5132,6194,6195,6196,6198],{},"Чому використовувати функцію ",[5102,6197,6129],{},"?",[5359,6200],{},"\nTypeScript модулі завантажуються синхронно, і якщо ",[5102,6203,5852],{}," імпортує ",[5102,6206,6207],{},"Post",", а ",[5102,6210,6207],{},[5102,6212,5852],{},", виникає циклічна залежність. Функція-обгортка відкладає резолвінг типу до runtime, коли обидва класи вже завантажені. Це стандартний паттерн у TypeORM для всіх декораторів зв'язків.",[5192,6215,6217],{"id":6216},"автоматичне-створення-foreign-key","Автоматичне створення foreign key",[5197,6219,6220,6221,6223,6224,6227,6228,6230,6231,5349,6233,5209],{},"TypeORM автоматично створює колонку foreign key у таблиці ",[5102,6222,6033],{}," з назвою ",[5102,6225,6226],{},"userId"," (camelCase перетворюється на snake_case у БД: ",[5102,6229,5333],{},"). Ця колонка зберігає посилання на ",[5102,6232,5348],{},[5102,6234,5702],{},[5197,6236,6237],{},[5132,6238,6239],{},"SQL-еквівалент генерованої структури:",[5214,6241,6243],{"className":5467,"code":6242,"language":5469,"meta":5218,"style":5218},"CREATE TABLE posts (\n    id SERIAL PRIMARY KEY,\n    title VARCHAR(255) NOT NULL,\n    content TEXT NOT NULL,\n    user_id INTEGER NOT NULL,\n    created_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP,\n    CONSTRAINT fk_posts_user FOREIGN KEY (user_id)\n        REFERENCES users(id)\n        ON DELETE CASCADE\n);\n",[5102,6244,6245,6255,6265,6281,6291,6301,6311,6322,6329,6334],{"__ignoreMap":5218},[5222,6246,6247,6249,6251,6253],{"class":5224,"line":5225},[5222,6248,5477],{"class":5476},[5222,6250,5480],{"class":5476},[5222,6252,5566],{"class":5483},[5222,6254,5488],{"class":5487},[5222,6256,6257,6259,6261,6263],{"class":5224,"line":5231},[5222,6258,5493],{"class":5487},[5222,6260,5496],{"class":5476},[5222,6262,5499],{"class":5476},[5222,6264,5502],{"class":5487},[5222,6266,6267,6269,6271,6273,6275,6277,6279],{"class":5224,"line":5237},[5222,6268,5583],{"class":5487},[5222,6270,5510],{"class":5476},[5222,6272,5513],{"class":5487},[5222,6274,5517],{"class":5516},[5222,6276,5520],{"class":5487},[5222,6278,5594],{"class":5476},[5222,6280,5502],{"class":5487},[5222,6282,6283,6285,6287,6289],{"class":5224,"line":5243},[5222,6284,5601],{"class":5487},[5222,6286,5604],{"class":5476},[5222,6288,5526],{"class":5476},[5222,6290,5502],{"class":5487},[5222,6292,6293,6295,6297,6299],{"class":5224,"line":5249},[5222,6294,5613],{"class":5487},[5222,6296,5616],{"class":5476},[5222,6298,5526],{"class":5476},[5222,6300,5502],{"class":5487},[5222,6302,6303,6305,6307,6309],{"class":5224,"line":5255},[5222,6304,5625],{"class":5487},[5222,6306,5628],{"class":5476},[5222,6308,5631],{"class":5476},[5222,6310,5634],{"class":5487},[5222,6312,6313,6315,6317,6319],{"class":5224,"line":5261},[5222,6314,5639],{"class":5476},[5222,6316,5642],{"class":5487},[5222,6318,5645],{"class":5476},[5222,6320,6321],{"class":5487}," (user_id)\n",[5222,6323,6324,6326],{"class":5224,"line":5267},[5222,6325,5654],{"class":5476},[5222,6327,6328],{"class":5487}," users(id)\n",[5222,6330,6331],{"class":5224,"line":5273},[5222,6332,6333],{"class":5476},"        ON DELETE CASCADE\n",[5222,6335,6336],{"class":5224,"line":5278},[5222,6337,5551],{"class":5487},[5353,6339,6340,6341,6344],{},"Якщо ви хочете вручну контролювати назву колонки foreign key або додати додаткові опції, використовуйте декоратор ",[5102,6342,6343],{},"@JoinColumn()"," (докладніше в розділі про налаштування зовнішніх ключів).",[5192,6346,6348,6349],{"id":6347},"опції-декоратора-manytoone","Опції декоратора ",[5102,6350,5104],{},[5197,6352,6353],{},"Декоратор приймає об'єкт налаштувань з такими ключовими опціями:",[6355,6356,6357,6373],"table",{},[6358,6359,6360],"thead",{},[6361,6362,6363,6367,6370],"tr",{},[6364,6365,6366],"th",{},"Опція",[6364,6368,6369],{},"Тип",[6364,6371,6372],{},"Опис",[6374,6375,6376,6397,6418,6430,6442,6464],"tbody",{},[6361,6377,6378,6384,6387],{},[6379,6380,6381],"td",{},[5102,6382,6383],{},"nullable",[6379,6385,6386],{},"boolean",[6379,6388,6389,6390,6392,6393,6396],{},"Чи може foreign key бути ",[5102,6391,5727],{}," (за замовчуванням ",[5102,6394,6395],{},"true",").",[6361,6398,6399,6404,6406],{},[6379,6400,6401],{},[5102,6402,6403],{},"onDelete",[6379,6405,5958],{},[6379,6407,6408,6409,5157,6412,5157,6414,5157,6416,5209],{},"Стратегія при видаленні батьківського запису: ",[5102,6410,6411],{},"CASCADE",[5102,6413,6183],{},[5102,6415,6186],{},[5102,6417,6189],{},[6361,6419,6420,6425,6427],{},[6379,6421,6422],{},[5102,6423,6424],{},"onUpdate",[6379,6426,5958],{},[6379,6428,6429],{},"Стратегія при оновленні primary key батьківського запису (рідко використовується).",[6361,6431,6432,6437,6439],{},[6379,6433,6434],{},[5102,6435,6436],{},"eager",[6379,6438,6386],{},[6379,6440,6441],{},"Автоматично завантажувати зв'язану entity при кожному запиті (докладніше в розділі про Eager loading).",[6361,6443,6444,6449,6454],{},[6379,6445,6446],{},[5102,6447,6448],{},"cascade",[6379,6450,6451,6452],{},"boolean або string",[5222,6453],{},[6379,6455,6456,6457,5157,6459,5157,6461,6463],{},"Каскадні операції для ",[5102,6458,5156],{},[5102,6460,5160],{},[5102,6462,5163],{}," (докладніше в розділі про Cascade operations).",[6361,6465,6466,6471,6473],{},[6379,6467,6468],{},[5102,6469,6470],{},"orphanedRowAction",[6379,6472,5958],{},[6379,6474,6475,6476,5157,6479,5157,6482,6485],{},"Як обробляти \"осиротілі\" рядки: ",[5102,6477,6478],{},"nullify",[5102,6480,6481],{},"delete",[5102,6483,6484],{},"disable"," (TypeORM 0.3+).",[5197,6487,6488],{},[5132,6489,6490],{},"Приклад з детальними налаштуваннями:",[5214,6492,6494],{"className":5792,"code":6493,"language":5795,"meta":5218,"style":5218},"@ManyToOne(() => User, (user) => user.posts, {\n  nullable: true,          \u002F\u002F Дозволяємо пости без автора\n  onDelete: 'SET NULL',    \u002F\u002F При видаленні користувача user_id стає NULL\n  onUpdate: 'CASCADE',     \u002F\u002F При зміні user.id (рідко) оновити user_id у постах\n  eager: false,            \u002F\u002F Не завантажувати автора автоматично (за замовчуванням)\n  cascade: ['insert'],     \u002F\u002F При створенні поста автоматично створити користувача, якщо його немає\n})\nuser: User;\n",[5102,6495,6496,6524,6538,6552,6565,6578,6595,6600],{"__ignoreMap":5218},[5222,6497,6498,6500,6502,6504,6506,6508,6510,6512,6514,6516,6518,6520,6522],{"class":5224,"line":5225},[5222,6499,5870],{"class":5487},[5222,6501,5825],{"class":5483},[5222,6503,6009],{"class":5487},[5222,6505,6012],{"class":5476},[5222,6507,6015],{"class":5809},[5222,6509,6018],{"class":5487},[5222,6511,6021],{"class":5809},[5222,6513,5520],{"class":5487},[5222,6515,6012],{"class":5476},[5222,6517,6028],{"class":5809},[5222,6519,5209],{"class":5487},[5222,6521,6033],{"class":5809},[5222,6523,6036],{"class":5487},[5222,6525,6526,6529,6532,6535],{"class":5224,"line":5231},[5222,6527,6528],{"class":5809},"  nullable:",[5222,6530,6531],{"class":5476}," true",[5222,6533,6534],{"class":5487},",          ",[5222,6536,6537],{"class":5999},"\u002F\u002F Дозволяємо пости без автора\n",[5222,6539,6540,6543,6546,6549],{"class":5224,"line":5237},[5222,6541,6542],{"class":5809},"  onDelete:",[5222,6544,6545],{"class":5839}," 'SET NULL'",[5222,6547,6548],{"class":5487},",    ",[5222,6550,6551],{"class":5999},"\u002F\u002F При видаленні користувача user_id стає NULL\n",[5222,6553,6554,6557,6559,6562],{"class":5224,"line":5243},[5222,6555,6556],{"class":5809},"  onUpdate:",[5222,6558,6059],{"class":5839},[5222,6560,6561],{"class":5487},",     ",[5222,6563,6564],{"class":5999},"\u002F\u002F При зміні user.id (рідко) оновити user_id у постах\n",[5222,6566,6567,6570,6572,6575],{"class":5224,"line":5249},[5222,6568,6569],{"class":5809},"  eager:",[5222,6571,6044],{"class":5476},[5222,6573,6574],{"class":5487},",            ",[5222,6576,6577],{"class":5999},"\u002F\u002F Не завантажувати автора автоматично (за замовчуванням)\n",[5222,6579,6580,6583,6586,6589,6592],{"class":5224,"line":5255},[5222,6581,6582],{"class":5809},"  cascade:",[5222,6584,6585],{"class":5487}," [",[5222,6587,6588],{"class":5839},"'insert'",[5222,6590,6591],{"class":5487},"],     ",[5222,6593,6594],{"class":5999},"\u002F\u002F При створенні поста автоматично створити користувача, якщо його немає\n",[5222,6596,6597],{"class":5224,"line":5261},[5222,6598,6599],{"class":5487},"})\n",[5222,6601,6602,6605,6607,6609],{"class":5224,"line":5267},[5222,6603,6021],{"class":6604},"s5IvJ",[5222,6606,5913],{"class":5487},[5222,6608,5852],{"class":5809},[5222,6610,5843],{"class":5487},[6612,6613,6614,6621,6623,6624,6626,6627,5157,6629,5157,6631,6633,6634,6637,6638,6641,6642,6644],"caution",{},[5132,6615,6616,6617,6620],{},"Обережно з ",[5102,6618,6619],{},"cascade: true","!",[5359,6622],{},"\nОпція ",[5102,6625,6619],{}," активує всі типи каскадних операцій (",[5102,6628,5156],{},[5102,6630,5160],{},[5102,6632,5163],{},"). Це означає, що при видаленні поста через ",[5102,6635,6636],{},"postRepository.remove(post)"," може бути видалений і зв'язаний користувач, якщо ",[5102,6639,6640],{},"cascade: ['remove']"," встановлено на ",[5102,6643,5104],{},". Використовуйте каскадні операції вибірково та усвідомлено.",[5184,6646],{},[5187,6648,5766,6650],{"id":6649},"декоратор-onetomany",[5102,6651,5108],{},[5192,6653,5772,6655],{"id":6654},"синтаксис-onetomany-childentity-child-childparent",[5102,6656,6657],{},"@OneToMany(() => ChildEntity, child => child.parent)",[5197,6659,5766,6660,5780,6662,6665,6666,6668,6669,6672],{},[5102,6661,5108],{},[5132,6663,6664],{},"батьківській entity"," для визначення зв'язку \"один до багатьох\". На відміну від ",[5102,6667,5104],{},", цей декоратор ",[5132,6670,6671],{},"не створює колонку у базі даних"," — він лише надає зручний доступ до колекції дочірніх entities через TypeScript властивість.",[5197,6674,6675],{},[5132,6676,6677],{},"Приклад — User entity:",[5214,6679,6682],{"className":5792,"code":6680,"filename":6681,"language":5795,"meta":5218,"style":5218},"import { Entity, PrimaryGeneratedColumn, Column, OneToMany, CreateDateColumn } from 'typeorm';\nimport { Post } from '.\u002Fpost.entity';\n\n@Entity('users')\nexport class User {\n  @PrimaryGeneratedColumn()\n  id: number;\n\n  @Column({ type: 'varchar', length: 255, unique: true })\n  email: string;\n\n  @Column({ type: 'varchar', length: 100 })\n  name: string;\n\n  \u002F\u002F ===== One-to-Many зв'язок: один користувач має багато постів =====\n  @OneToMany(() => Post, (post) => post.user, {\n    cascade: true,  \u002F\u002F При збереженні користувача автоматично зберегти нові пости\n  })\n  posts: Post[];\n\n  @CreateDateColumn()\n  createdAt: Date;\n}\n","src\u002Fentities\u002Fuser.entity.ts",[5102,6683,6684,6717,6734,6738,6751,6761,6769,6779,6783,6810,6821,6825,6846,6857,6861,6866,6896,6908,6912,6924,6928,6936,6946],{"__ignoreMap":5218},[5222,6685,6686,6688,6690,6692,6694,6696,6698,6700,6702,6705,6707,6709,6711,6713,6715],{"class":5224,"line":5225},[5222,6687,5803],{"class":5802},[5222,6689,5806],{"class":5487},[5222,6691,5810],{"class":5809},[5222,6693,5157],{"class":5487},[5222,6695,5815],{"class":5809},[5222,6697,5157],{"class":5487},[5222,6699,5820],{"class":5809},[5222,6701,5157],{"class":5487},[5222,6703,6704],{"class":5809},"OneToMany",[5222,6706,5157],{"class":5487},[5222,6708,5830],{"class":5809},[5222,6710,5833],{"class":5487},[5222,6712,5836],{"class":5802},[5222,6714,5840],{"class":5839},[5222,6716,5843],{"class":5487},[5222,6718,6719,6721,6723,6725,6727,6729,6732],{"class":5224,"line":5231},[5222,6720,5803],{"class":5802},[5222,6722,5806],{"class":5487},[5222,6724,6207],{"class":5809},[5222,6726,5833],{"class":5487},[5222,6728,5836],{"class":5802},[5222,6730,6731],{"class":5839}," '.\u002Fpost.entity'",[5222,6733,5843],{"class":5487},[5222,6735,6736],{"class":5224,"line":5237},[5222,6737,5557],{"emptyLinePlaceholder":5556},[5222,6739,6740,6742,6744,6746,6749],{"class":5224,"line":5243},[5222,6741,5870],{"class":5487},[5222,6743,5810],{"class":5483},[5222,6745,5513],{"class":5487},[5222,6747,6748],{"class":5839},"'users'",[5222,6750,5880],{"class":5487},[5222,6752,6753,6755,6757,6759],{"class":5224,"line":5249},[5222,6754,5885],{"class":5802},[5222,6756,5888],{"class":5476},[5222,6758,6015],{"class":5891},[5222,6760,5895],{"class":5487},[5222,6762,6763,6765,6767],{"class":5224,"line":5255},[5222,6764,5900],{"class":5487},[5222,6766,5815],{"class":5483},[5222,6768,5905],{"class":5487},[5222,6770,6771,6773,6775,6777],{"class":5224,"line":5261},[5222,6772,5910],{"class":5809},[5222,6774,5913],{"class":5487},[5222,6776,5916],{"class":5891},[5222,6778,5843],{"class":5487},[5222,6780,6781],{"class":5224,"line":5267},[5222,6782,5557],{"emptyLinePlaceholder":5556},[5222,6784,6785,6787,6789,6791,6793,6795,6797,6799,6801,6803,6806,6808],{"class":5224,"line":5273},[5222,6786,5900],{"class":5487},[5222,6788,5820],{"class":5483},[5222,6790,5931],{"class":5487},[5222,6792,5934],{"class":5809},[5222,6794,5937],{"class":5839},[5222,6796,5157],{"class":5487},[5222,6798,5942],{"class":5809},[5222,6800,5945],{"class":5516},[5222,6802,5157],{"class":5487},[5222,6804,6805],{"class":5809},"unique:",[5222,6807,6531],{"class":5476},[5222,6809,5948],{"class":5487},[5222,6811,6812,6815,6817,6819],{"class":5224,"line":5278},[5222,6813,6814],{"class":5809},"  email",[5222,6816,5913],{"class":5487},[5222,6818,5958],{"class":5891},[5222,6820,5843],{"class":5487},[5222,6822,6823],{"class":5224,"line":5284},[5222,6824,5557],{"emptyLinePlaceholder":5556},[5222,6826,6827,6829,6831,6833,6835,6837,6839,6841,6844],{"class":5224,"line":5290},[5222,6828,5900],{"class":5487},[5222,6830,5820],{"class":5483},[5222,6832,5931],{"class":5487},[5222,6834,5934],{"class":5809},[5222,6836,5937],{"class":5839},[5222,6838,5157],{"class":5487},[5222,6840,5942],{"class":5809},[5222,6842,6843],{"class":5516}," 100",[5222,6845,5948],{"class":5487},[5222,6847,6848,6851,6853,6855],{"class":5224,"line":5296},[5222,6849,6850],{"class":5809},"  name",[5222,6852,5913],{"class":5487},[5222,6854,5958],{"class":5891},[5222,6856,5843],{"class":5487},[5222,6858,6859],{"class":5224,"line":5651},[5222,6860,5557],{"emptyLinePlaceholder":5556},[5222,6862,6863],{"class":5224,"line":5660},[5222,6864,6865],{"class":5999},"  \u002F\u002F ===== One-to-Many зв'язок: один користувач має багато постів =====\n",[5222,6867,6868,6870,6872,6874,6876,6878,6880,6883,6885,6887,6890,6892,6894],{"class":5224,"line":5669},[5222,6869,5900],{"class":5487},[5222,6871,6704],{"class":5483},[5222,6873,6009],{"class":5487},[5222,6875,6012],{"class":5476},[5222,6877,5892],{"class":5809},[5222,6879,6018],{"class":5487},[5222,6881,6882],{"class":5809},"post",[5222,6884,5520],{"class":5487},[5222,6886,6012],{"class":5476},[5222,6888,6889],{"class":5809}," post",[5222,6891,5209],{"class":5487},[5222,6893,6021],{"class":5809},[5222,6895,6036],{"class":5487},[5222,6897,6898,6901,6903,6905],{"class":5224,"line":5675},[5222,6899,6900],{"class":5809},"    cascade:",[5222,6902,6531],{"class":5476},[5222,6904,6047],{"class":5487},[5222,6906,6907],{"class":5999},"\u002F\u002F При збереженні користувача автоматично зберегти нові пости\n",[5222,6909,6910],{"class":5224,"line":6053},[5222,6911,6070],{"class":5487},[5222,6913,6914,6917,6919,6921],{"class":5224,"line":6067},[5222,6915,6916],{"class":5809},"  posts",[5222,6918,5913],{"class":5487},[5222,6920,6207],{"class":5891},[5222,6922,6923],{"class":5487},"[];\n",[5222,6925,6926],{"class":5224,"line":6073},[5222,6927,5557],{"emptyLinePlaceholder":5556},[5222,6929,6930,6932,6934],{"class":5224,"line":6085},[5222,6931,5900],{"class":5487},[5222,6933,5830],{"class":5483},[5222,6935,5905],{"class":5487},[5222,6937,6938,6940,6942,6944],{"class":5224,"line":6090},[5222,6939,6102],{"class":5809},[5222,6941,5913],{"class":5487},[5222,6943,6107],{"class":5891},[5222,6945,5843],{"class":5487},[5222,6947,6948],{"class":5224,"line":6099},[5222,6949,6115],{"class":5487},[5197,6951,6952],{},[5132,6953,6120],{},[5684,6955,6956,6964,6979,6991],{},[5095,6957,6958,6963],{},[5132,6959,6960],{},[5102,6961,6962],{},"() => Post"," — перший аргумент. Функція, що повертає клас дочірньої entity.",[5095,6965,6966,6971,6972,6975,6976,6978],{},[5132,6967,6968],{},[5102,6969,6970],{},"(post) => post.user"," — другий аргумент (",[5132,6973,6974],{},"обов'язковий","). Це зворотній callback, що вказує на властивість у дочірній entity, яка представляє зв'язок ",[5102,6977,5104],{},". TypeORM використовує це для налаштування двонаправлених зв'язків.",[5095,6980,6981,6986,6987,6990],{},[5132,6982,6983],{},[5102,6984,6985],{},"posts: Post[]"," — властивість має тип масиву дочірніх entities. При завантаженні користувача з зв'язками (",[5102,6988,6989],{},"relations: ['posts']",") TypeORM автоматично заповнить цей масив.",[5095,6992,6993,6997,6998,7001],{},[5132,6994,6995],{},[5102,6996,6619],{}," — якщо ви створите нового користувача з вже прикріпленими постами та викличете ",[5102,6999,7000],{},"userRepository.save(user)",", TypeORM автоматично збереже і пости.",[5192,7003,7005],{"id":7004},"двонаправлений-звязок","Двонаправлений зв'язок",[5197,7007,7008,5341,7010,7013],{},[5132,7009,7005],{},[5114,7011,7012],{},"bidirectional relation",") означає, що обидві entity знають про існування одна одної:",[5092,7015,7016,7022],{},[5095,7017,7018,7021],{},[5102,7019,7020],{},"Post.user"," дозволяє отримати автора поста.",[5095,7023,7024,7027],{},[5102,7025,7026],{},"User.posts"," дозволяє отримати всі пости користувача.",[5197,7029,7030,7031,7033],{},"Щоб TypeORM правильно налаштував такий зв'язок, ",[5132,7032,6166],{}," вкажіть зворотній callback у другому аргументі декораторів:",[5214,7035,7037],{"className":5792,"code":7036,"language":5795,"meta":5218,"style":5218},"\u002F\u002F У Post entity\n@ManyToOne(() => User, (user) => user.posts)\nuser: User;\n\n\u002F\u002F У User entity\n@OneToMany(() => Post, (post) => post.user)\nposts: Post[];\n",[5102,7038,7039,7044,7072,7082,7086,7091,7119],{"__ignoreMap":5218},[5222,7040,7041],{"class":5224,"line":5225},[5222,7042,7043],{"class":5999},"\u002F\u002F У Post entity\n",[5222,7045,7046,7048,7050,7052,7054,7056,7058,7060,7062,7064,7066,7068,7070],{"class":5224,"line":5231},[5222,7047,5870],{"class":5487},[5222,7049,5825],{"class":5483},[5222,7051,6009],{"class":5487},[5222,7053,6012],{"class":5476},[5222,7055,6015],{"class":5809},[5222,7057,6018],{"class":5487},[5222,7059,6021],{"class":5809},[5222,7061,5520],{"class":5487},[5222,7063,6012],{"class":5476},[5222,7065,6028],{"class":5809},[5222,7067,5209],{"class":5487},[5222,7069,6033],{"class":5809},[5222,7071,5880],{"class":5487},[5222,7073,7074,7076,7078,7080],{"class":5224,"line":5237},[5222,7075,6021],{"class":6604},[5222,7077,5913],{"class":5487},[5222,7079,5852],{"class":5809},[5222,7081,5843],{"class":5487},[5222,7083,7084],{"class":5224,"line":5243},[5222,7085,5557],{"emptyLinePlaceholder":5556},[5222,7087,7088],{"class":5224,"line":5249},[5222,7089,7090],{"class":5999},"\u002F\u002F У User entity\n",[5222,7092,7093,7095,7097,7099,7101,7103,7105,7107,7109,7111,7113,7115,7117],{"class":5224,"line":5255},[5222,7094,5870],{"class":5487},[5222,7096,6704],{"class":5483},[5222,7098,6009],{"class":5487},[5222,7100,6012],{"class":5476},[5222,7102,5892],{"class":5809},[5222,7104,6018],{"class":5487},[5222,7106,6882],{"class":5809},[5222,7108,5520],{"class":5487},[5222,7110,6012],{"class":5476},[5222,7112,6889],{"class":5809},[5222,7114,5209],{"class":5487},[5222,7116,6021],{"class":5809},[5222,7118,5880],{"class":5487},[5222,7120,7121,7123,7125,7127],{"class":5224,"line":5261},[5222,7122,6033],{"class":6604},[5222,7124,5913],{"class":5487},[5222,7126,6207],{"class":5809},[5222,7128,6923],{"class":5487},[5749,7130,7131,7134,7136,7137,7140,7141,7143],{},[5132,7132,7133],{},"Частая помилка — забути зворотній callback:",[5359,7135],{},"\nЯкщо ви оголосите лише ",[5102,7138,7139],{},"@ManyToOne(() => User)"," без другого параметра, TypeORM не зможе правильно завантажити зв'язок при використанні ",[5102,7142,6989],{},". Завжди використовуйте повний синтаксис для двонаправлених зв'язків.",[5192,7145,6348,7147],{"id":7146},"опції-декоратора-onetomany",[5102,7148,5108],{},[5197,7150,5766,7151,7153,7154,7156],{},[5102,7152,5108],{}," має менше опцій, ніж ",[5102,7155,5104],{},", оскільки не створює колонок у БД:",[6355,7158,7159,7169],{},[6358,7160,7161],{},[6361,7162,7163,7165,7167],{},[6364,7164,6366],{},[6364,7166,6369],{},[6364,7168,6372],{},[6374,7170,7171,7187,7198],{},[6361,7172,7173,7177,7181],{},[6379,7174,7175],{},[5102,7176,6448],{},[6379,7178,6451,7179],{},[5222,7180],{},[6379,7182,7183,7184,5209],{},"Каскадні операції: ",[5102,7185,7186],{},"['insert', 'update', 'remove']",[6361,7188,7189,7193,7195],{},[6379,7190,7191],{},[5102,7192,6436],{},[6379,7194,6386],{},[6379,7196,7197],{},"Автоматично завантажувати дочірні entities при кожному запиті до батьківської.",[6361,7199,7200,7204,7206],{},[6379,7201,7202],{},[5102,7203,6470],{},[6379,7205,5958],{},[6379,7207,7208],{},"Стратегія для \"осиротілих\" рядків (TypeORM 0.3+).",[5197,7210,7211],{},[5132,7212,7213],{},"Приклад з вибірковими каскадними операціями:",[5214,7215,7217],{"className":5792,"code":7216,"language":5795,"meta":5218,"style":5218},"@OneToMany(() => Post, (post) => post.user, {\n  cascade: ['insert', 'update'],  \u002F\u002F Зберігати нові\u002Fоновлені пости, але не видаляти\n  eager: false,                    \u002F\u002F Не завантажувати пости автоматично (рекомендовано)\n})\nposts: Post[];\n",[5102,7218,7219,7247,7266,7278,7282],{"__ignoreMap":5218},[5222,7220,7221,7223,7225,7227,7229,7231,7233,7235,7237,7239,7241,7243,7245],{"class":5224,"line":5225},[5222,7222,5870],{"class":5487},[5222,7224,6704],{"class":5483},[5222,7226,6009],{"class":5487},[5222,7228,6012],{"class":5476},[5222,7230,5892],{"class":5809},[5222,7232,6018],{"class":5487},[5222,7234,6882],{"class":5809},[5222,7236,5520],{"class":5487},[5222,7238,6012],{"class":5476},[5222,7240,6889],{"class":5809},[5222,7242,5209],{"class":5487},[5222,7244,6021],{"class":5809},[5222,7246,6036],{"class":5487},[5222,7248,7249,7251,7253,7255,7257,7260,7263],{"class":5224,"line":5231},[5222,7250,6582],{"class":5809},[5222,7252,6585],{"class":5487},[5222,7254,6588],{"class":5839},[5222,7256,5157],{"class":5487},[5222,7258,7259],{"class":5839},"'update'",[5222,7261,7262],{"class":5487},"],  ",[5222,7264,7265],{"class":5999},"\u002F\u002F Зберігати нові\u002Fоновлені пости, але не видаляти\n",[5222,7267,7268,7270,7272,7275],{"class":5224,"line":5237},[5222,7269,6569],{"class":5809},[5222,7271,6044],{"class":5476},[5222,7273,7274],{"class":5487},",                    ",[5222,7276,7277],{"class":5999},"\u002F\u002F Не завантажувати пости автоматично (рекомендовано)\n",[5222,7279,7280],{"class":5224,"line":5243},[5222,7281,6599],{"class":5487},[5222,7283,7284,7286,7288,7290],{"class":5224,"line":5249},[5222,7285,6033],{"class":6604},[5222,7287,5913],{"class":5487},[5222,7289,6207],{"class":5809},[5222,7291,6923],{"class":5487},[6191,7293,7294,7302,7304,7305,7308,7309,7311,7312,7315,7316,7318],{},[5132,7295,7296,7297,6148,7299,7301],{},"Рекомендація щодо ",[5102,7298,6436],{},[5102,7300,5108],{},":",[5359,7303],{},"\nВстановлення ",[5102,7306,7307],{},"eager: true"," на ",[5102,7310,5108],{}," зв'язках може спричинити ",[5132,7313,7314],{},"проблеми продуктивності",", оскільки при кожному запиті користувача TypeORM завантажуватиме всі його пости (навіть якщо вони вам не потрібні). Краще завантажувати зв'язані дані явно через ",[5102,7317,6989],{}," або QueryBuilder.",[5184,7320],{},[5187,7322,7324],{"id":7323},"налаштування-зовнішніх-ключів","Налаштування зовнішніх ключів",[5192,7326,7328],{"id":7327},"імя-колонки-foreign-key","Ім'я колонки foreign key",[5197,7330,7331,7332,7335,7336,7338,7339,7341],{},"За замовчуванням TypeORM генерує назву колонки foreign key автоматично на основі назви властивості у TypeScript. Для властивості ",[5102,7333,7334],{},"user: User"," буде створена колонка ",[5102,7337,6226],{}," (у БД перетвориться у ",[5102,7340,5333],{}," через naming strategy).",[5197,7343,7344],{},[5132,7345,7346],{},"Автоматичне іменування:",[5214,7348,7350],{"className":5792,"code":7349,"language":5795,"meta":5218,"style":5218},"@ManyToOne(() => User)\nuser: User;  \u002F\u002F Створить колонку \"user_id\" у БД\n",[5102,7351,7352,7366],{"__ignoreMap":5218},[5222,7353,7354,7356,7358,7360,7362,7364],{"class":5224,"line":5225},[5222,7355,5870],{"class":5487},[5222,7357,5825],{"class":5483},[5222,7359,6009],{"class":5487},[5222,7361,6012],{"class":5476},[5222,7363,6015],{"class":5809},[5222,7365,5880],{"class":5487},[5222,7367,7368,7370,7372,7374,7377],{"class":5224,"line":5231},[5222,7369,6021],{"class":6604},[5222,7371,5913],{"class":5487},[5222,7373,5852],{"class":5809},[5222,7375,7376],{"class":5487},";  ",[5222,7378,7379],{"class":5999},"\u002F\u002F Створить колонку \"user_id\" у БД\n",[5197,7381,7382],{},[5132,7383,7384],{},"Проблема з колізією імен:",[5197,7386,7387],{},"Якщо у вас є кілька зв'язків з однією entity, автоматичне іменування може призвести до конфлікту:",[5214,7389,7391],{"className":5792,"code":7390,"language":5795,"meta":5218,"style":5218},"@Entity('posts')\nexport class Post {\n  @ManyToOne(() => User)\n  author: User;  \u002F\u002F Створить колонку \"author_id\"\n\n  @ManyToOne(() => User)\n  editor: User;  \u002F\u002F Створить колонку \"editor_id\"\n}\n",[5102,7392,7393,7405,7415,7429,7443,7447,7461,7475],{"__ignoreMap":5218},[5222,7394,7395,7397,7399,7401,7403],{"class":5224,"line":5225},[5222,7396,5870],{"class":5487},[5222,7398,5810],{"class":5483},[5222,7400,5513],{"class":5487},[5222,7402,5877],{"class":5839},[5222,7404,5880],{"class":5487},[5222,7406,7407,7409,7411,7413],{"class":5224,"line":5231},[5222,7408,5885],{"class":5802},[5222,7410,5888],{"class":5476},[5222,7412,5892],{"class":5891},[5222,7414,5895],{"class":5487},[5222,7416,7417,7419,7421,7423,7425,7427],{"class":5224,"line":5237},[5222,7418,5900],{"class":5487},[5222,7420,5825],{"class":5483},[5222,7422,6009],{"class":5487},[5222,7424,6012],{"class":5476},[5222,7426,6015],{"class":5809},[5222,7428,5880],{"class":5487},[5222,7430,7431,7434,7436,7438,7440],{"class":5224,"line":5243},[5222,7432,7433],{"class":5809},"  author",[5222,7435,5913],{"class":5487},[5222,7437,5852],{"class":5891},[5222,7439,7376],{"class":5487},[5222,7441,7442],{"class":5999},"\u002F\u002F Створить колонку \"author_id\"\n",[5222,7444,7445],{"class":5224,"line":5249},[5222,7446,5557],{"emptyLinePlaceholder":5556},[5222,7448,7449,7451,7453,7455,7457,7459],{"class":5224,"line":5255},[5222,7450,5900],{"class":5487},[5222,7452,5825],{"class":5483},[5222,7454,6009],{"class":5487},[5222,7456,6012],{"class":5476},[5222,7458,6015],{"class":5809},[5222,7460,5880],{"class":5487},[5222,7462,7463,7466,7468,7470,7472],{"class":5224,"line":5261},[5222,7464,7465],{"class":5809},"  editor",[5222,7467,5913],{"class":5487},[5222,7469,5852],{"class":5891},[5222,7471,7376],{"class":5487},[5222,7473,7474],{"class":5999},"\u002F\u002F Створить колонку \"editor_id\"\n",[5222,7476,7477],{"class":5224,"line":5267},[5222,7478,6115],{"class":5487},[5197,7480,7481,7482,5209],{},"У такому випадку TypeORM правильно розрізнить зв'язки, але якщо ви хочете більш точного контролю, використовуйте ",[5102,7483,6343],{},[5192,7485,5766,7487,7489],{"id":7486},"декоратор-joincolumn-для-кастомізації",[5102,7488,6343],{}," для кастомізації",[5197,7491,5766,7492,7494,7495,7500],{},[5102,7493,6343],{}," дозволяє вручну вказати назву колонки foreign key, назву constraint та додаткові опції. Він використовується ",[5132,7496,7497,7498],{},"лише на стороні ",[5102,7499,5104],{},", оскільки саме там створюється колонка у БД.",[5197,7502,7503],{},[5132,7504,7505],{},"Базовий синтаксис:",[5214,7507,7509],{"className":5792,"code":7508,"language":5795,"meta":5218,"style":5218},"import { ManyToOne, JoinColumn } from 'typeorm';\n\n@ManyToOne(() => User, (user) => user.posts)\n@JoinColumn({ name: 'author_id' })  \u002F\u002F Явна назва колонки FK\nuser: User;\n",[5102,7510,7511,7532,7536,7564,7584],{"__ignoreMap":5218},[5222,7512,7513,7515,7517,7519,7521,7524,7526,7528,7530],{"class":5224,"line":5225},[5222,7514,5803],{"class":5802},[5222,7516,5806],{"class":5487},[5222,7518,5825],{"class":5809},[5222,7520,5157],{"class":5487},[5222,7522,7523],{"class":5809},"JoinColumn",[5222,7525,5833],{"class":5487},[5222,7527,5836],{"class":5802},[5222,7529,5840],{"class":5839},[5222,7531,5843],{"class":5487},[5222,7533,7534],{"class":5224,"line":5231},[5222,7535,5557],{"emptyLinePlaceholder":5556},[5222,7537,7538,7540,7542,7544,7546,7548,7550,7552,7554,7556,7558,7560,7562],{"class":5224,"line":5237},[5222,7539,5870],{"class":5487},[5222,7541,5825],{"class":5483},[5222,7543,6009],{"class":5487},[5222,7545,6012],{"class":5476},[5222,7547,6015],{"class":5809},[5222,7549,6018],{"class":5487},[5222,7551,6021],{"class":5809},[5222,7553,5520],{"class":5487},[5222,7555,6012],{"class":5476},[5222,7557,6028],{"class":5809},[5222,7559,5209],{"class":5487},[5222,7561,6033],{"class":5809},[5222,7563,5880],{"class":5487},[5222,7565,7566,7568,7570,7572,7575,7578,7581],{"class":5224,"line":5243},[5222,7567,5870],{"class":5487},[5222,7569,7523],{"class":5483},[5222,7571,5931],{"class":5487},[5222,7573,7574],{"class":5809},"name:",[5222,7576,7577],{"class":5839}," 'author_id'",[5222,7579,7580],{"class":5487}," })  ",[5222,7582,7583],{"class":5999},"\u002F\u002F Явна назва колонки FK\n",[5222,7585,7586,7588,7590,7592],{"class":5224,"line":5249},[5222,7587,6021],{"class":6604},[5222,7589,5913],{"class":5487},[5222,7591,5852],{"class":5809},[5222,7593,5843],{"class":5487},[5197,7595,7596],{},[5132,7597,7598],{},"SQL-результат:",[5214,7600,7602],{"className":5467,"code":7601,"language":5469,"meta":5218,"style":5218},"CREATE TABLE posts (\n    id SERIAL PRIMARY KEY,\n    title VARCHAR(255),\n    author_id INTEGER NOT NULL,  -- Кастомна назва\n    CONSTRAINT fk_posts_author FOREIGN KEY (author_id) REFERENCES users(id)\n);\n",[5102,7603,7604,7614,7624,7637,7651,7668],{"__ignoreMap":5218},[5222,7605,7606,7608,7610,7612],{"class":5224,"line":5225},[5222,7607,5477],{"class":5476},[5222,7609,5480],{"class":5476},[5222,7611,5566],{"class":5483},[5222,7613,5488],{"class":5487},[5222,7615,7616,7618,7620,7622],{"class":5224,"line":5231},[5222,7617,5493],{"class":5487},[5222,7619,5496],{"class":5476},[5222,7621,5499],{"class":5476},[5222,7623,5502],{"class":5487},[5222,7625,7626,7628,7630,7632,7634],{"class":5224,"line":5237},[5222,7627,5583],{"class":5487},[5222,7629,5510],{"class":5476},[5222,7631,5513],{"class":5487},[5222,7633,5517],{"class":5516},[5222,7635,7636],{"class":5487},"),\n",[5222,7638,7639,7642,7644,7646,7648],{"class":5224,"line":5243},[5222,7640,7641],{"class":5487},"    author_id ",[5222,7643,5616],{"class":5476},[5222,7645,5526],{"class":5476},[5222,7647,6047],{"class":5487},[5222,7649,7650],{"class":5999},"-- Кастомна назва\n",[5222,7652,7653,7655,7658,7660,7663,7666],{"class":5224,"line":5249},[5222,7654,5639],{"class":5476},[5222,7656,7657],{"class":5487}," fk_posts_author ",[5222,7659,5645],{"class":5476},[5222,7661,7662],{"class":5487}," (author_id) ",[5222,7664,7665],{"class":5476},"REFERENCES",[5222,7667,6328],{"class":5487},[5222,7669,7670],{"class":5224,"line":5255},[5222,7671,5551],{"class":5487},[5197,7673,7674],{},[5132,7675,7676],{},"Детальна кастомізація:",[5214,7678,7680],{"className":5792,"code":7679,"language":5795,"meta":5218,"style":5218},"@ManyToOne(() => User, (user) => user.posts, { onDelete: 'CASCADE' })\n@JoinColumn({\n  name: 'author_id',                      \u002F\u002F Назва колонки FK\n  referencedColumnName: 'id',             \u002F\u002F На яку колонку у users посилається (за замовчуванням \"id\")\n  foreignKeyConstraintName: 'fk_post_author',  \u002F\u002F Назва constraint (TypeORM 0.3+)\n})\nuser: User;\n",[5102,7681,7682,7718,7727,7740,7754,7767,7771],{"__ignoreMap":5218},[5222,7683,7684,7686,7688,7690,7692,7694,7696,7698,7700,7702,7704,7706,7708,7711,7714,7716],{"class":5224,"line":5225},[5222,7685,5870],{"class":5487},[5222,7687,5825],{"class":5483},[5222,7689,6009],{"class":5487},[5222,7691,6012],{"class":5476},[5222,7693,6015],{"class":5809},[5222,7695,6018],{"class":5487},[5222,7697,6021],{"class":5809},[5222,7699,5520],{"class":5487},[5222,7701,6012],{"class":5476},[5222,7703,6028],{"class":5809},[5222,7705,5209],{"class":5487},[5222,7707,6033],{"class":5809},[5222,7709,7710],{"class":5487},", { ",[5222,7712,7713],{"class":5809},"onDelete:",[5222,7715,6059],{"class":5839},[5222,7717,5948],{"class":5487},[5222,7719,7720,7722,7724],{"class":5224,"line":5231},[5222,7721,5870],{"class":5487},[5222,7723,7523],{"class":5483},[5222,7725,7726],{"class":5487},"({\n",[5222,7728,7729,7732,7734,7737],{"class":5224,"line":5237},[5222,7730,7731],{"class":5809},"  name:",[5222,7733,7577],{"class":5839},[5222,7735,7736],{"class":5487},",                      ",[5222,7738,7739],{"class":5999},"\u002F\u002F Назва колонки FK\n",[5222,7741,7742,7745,7748,7751],{"class":5224,"line":5243},[5222,7743,7744],{"class":5809},"  referencedColumnName:",[5222,7746,7747],{"class":5839}," 'id'",[5222,7749,7750],{"class":5487},",             ",[5222,7752,7753],{"class":5999},"\u002F\u002F На яку колонку у users посилається (за замовчуванням \"id\")\n",[5222,7755,7756,7759,7762,7764],{"class":5224,"line":5249},[5222,7757,7758],{"class":5809},"  foreignKeyConstraintName:",[5222,7760,7761],{"class":5839}," 'fk_post_author'",[5222,7763,6047],{"class":5487},[5222,7765,7766],{"class":5999},"\u002F\u002F Назва constraint (TypeORM 0.3+)\n",[5222,7768,7769],{"class":5224,"line":5255},[5222,7770,6599],{"class":5487},[5222,7772,7773,7775,7777,7779],{"class":5224,"line":5261},[5222,7774,6021],{"class":6604},[5222,7776,5913],{"class":5487},[5222,7778,5852],{"class":5809},[5222,7780,5843],{"class":5487},[5353,7782,7783,7790],{},[5197,7784,7785],{},[5132,7786,7787,7788,7301],{},"Коли використовувати ",[5102,7789,6343],{},[5684,7791,7792,7795,7807],{},[5095,7793,7794],{},"Якщо вам потрібна специфічна назва колонки для сумісності з legacy БД.",[5095,7796,7797,7798,5157,7801,5157,7804,6396],{},"Якщо у вас є кілька зв'язків з однією entity і ви хочете семантично зрозумілих імен (",[5102,7799,7800],{},"author_id",[5102,7802,7803],{},"editor_id",[5102,7805,7806],{},"reviewer_id",[5095,7808,7809,7810,7812],{},"Якщо ви посилаєтесь на колонку, відмінну від ",[5102,7811,5348],{}," (рідкісний випадок).",[5192,7814,7816,7817,5105,7819],{"id":7815},"опції-ondelete-та-onupdate","Опції ",[5102,7818,6403],{},[5102,7820,6424],{},[5197,7822,7823],{},"Ці опції контролюють поведінку foreign key constraint при зміні батьківської entity:",[5197,7825,7826],{},[5132,7827,7828,7830],{},[5102,7829,6403],{}," стратегії:",[6355,7832,7833,7843],{},[6358,7834,7835],{},[6361,7836,7837,7840],{},[6364,7838,7839],{},"Значення",[6364,7841,7842],{},"Поведінка",[6374,7844,7845,7854,7869,7878,7890],{},[6361,7846,7847,7851],{},[6379,7848,7849],{},[5102,7850,6411],{},[6379,7852,7853],{},"При видаленні батьківського запису всі дочірні записи автоматично видаляються.",[6361,7855,7856,7860],{},[6379,7857,7858],{},[5102,7859,6183],{},[6379,7861,7862,7863,7865,7866,6396],{},"При видаленні батьківського запису foreign key у дочірніх записах встановлюється у ",[5102,7864,5727],{}," (потрібно ",[5102,7867,7868],{},"nullable: true",[6361,7870,7871,7875],{},[6379,7872,7873],{},[5102,7874,6186],{},[6379,7876,7877],{},"Заборона видалення батьківського запису, якщо існують дочірні записи (за замовчуванням у PostgreSQL).",[6361,7879,7880,7884],{},[6379,7881,7882],{},[5102,7883,6189],{},[6379,7885,7886,7887,7889],{},"Те саме, що ",[5102,7888,6186],{},", але перевірка виконується наприкінці транзакції (для відкладених constraint).",[6361,7891,7892,7897],{},[6379,7893,7894],{},[5102,7895,7896],{},"SET DEFAULT",[6379,7898,7899,7900,7903],{},"При видаленні батьківського запису foreign key встановлюється у значення ",[5102,7901,7902],{},"DEFAULT"," (рідко використовується).",[5197,7905,7906],{},[5132,7907,7908,7830],{},[5102,7909,6424],{},[5197,7911,7912,7913,5209],{},"Ці опції рідко використовуються на практиці, оскільки primary key зазвичай не змінюється. Вони мають ті самі значення, що й ",[5102,7914,6403],{},[5197,7916,7917],{},[5132,7918,7919],{},"Приклад — різні стратегії для різних зв'язків:",[5214,7921,7923],{"className":5792,"code":7922,"filename":5794,"language":5795,"meta":5218,"style":5218},"@Entity('posts')\nexport class Post {\n  @PrimaryGeneratedColumn()\n  id: number;\n\n  \u002F\u002F При видаленні користувача видаляються всі його пости\n  @ManyToOne(() => User, (user) => user.posts, {\n    nullable: false,\n    onDelete: 'CASCADE',\n  })\n  @JoinColumn({ name: 'author_id' })\n  author: User;\n\n  \u002F\u002F При видаленні категорії пости залишаються без категорії\n  @ManyToOne(() => Category, (category) => category.posts, {\n    nullable: true,\n    onDelete: 'SET NULL',\n  })\n  @JoinColumn({ name: 'category_id' })\n  category: Category;\n}\n",[5102,7924,7925,7937,7947,7955,7965,7969,7974,8002,8010,8018,8022,8036,8046,8050,8055,8086,8094,8102,8106,8121,8133],{"__ignoreMap":5218},[5222,7926,7927,7929,7931,7933,7935],{"class":5224,"line":5225},[5222,7928,5870],{"class":5487},[5222,7930,5810],{"class":5483},[5222,7932,5513],{"class":5487},[5222,7934,5877],{"class":5839},[5222,7936,5880],{"class":5487},[5222,7938,7939,7941,7943,7945],{"class":5224,"line":5231},[5222,7940,5885],{"class":5802},[5222,7942,5888],{"class":5476},[5222,7944,5892],{"class":5891},[5222,7946,5895],{"class":5487},[5222,7948,7949,7951,7953],{"class":5224,"line":5237},[5222,7950,5900],{"class":5487},[5222,7952,5815],{"class":5483},[5222,7954,5905],{"class":5487},[5222,7956,7957,7959,7961,7963],{"class":5224,"line":5243},[5222,7958,5910],{"class":5809},[5222,7960,5913],{"class":5487},[5222,7962,5916],{"class":5891},[5222,7964,5843],{"class":5487},[5222,7966,7967],{"class":5224,"line":5249},[5222,7968,5557],{"emptyLinePlaceholder":5556},[5222,7970,7971],{"class":5224,"line":5255},[5222,7972,7973],{"class":5999},"  \u002F\u002F При видаленні користувача видаляються всі його пости\n",[5222,7975,7976,7978,7980,7982,7984,7986,7988,7990,7992,7994,7996,7998,8000],{"class":5224,"line":5261},[5222,7977,5900],{"class":5487},[5222,7979,5825],{"class":5483},[5222,7981,6009],{"class":5487},[5222,7983,6012],{"class":5476},[5222,7985,6015],{"class":5809},[5222,7987,6018],{"class":5487},[5222,7989,6021],{"class":5809},[5222,7991,5520],{"class":5487},[5222,7993,6012],{"class":5476},[5222,7995,6028],{"class":5809},[5222,7997,5209],{"class":5487},[5222,7999,6033],{"class":5809},[5222,8001,6036],{"class":5487},[5222,8003,8004,8006,8008],{"class":5224,"line":5267},[5222,8005,6041],{"class":5809},[5222,8007,6044],{"class":5476},[5222,8009,5502],{"class":5487},[5222,8011,8012,8014,8016],{"class":5224,"line":5273},[5222,8013,6056],{"class":5809},[5222,8015,6059],{"class":5839},[5222,8017,5502],{"class":5487},[5222,8019,8020],{"class":5224,"line":5278},[5222,8021,6070],{"class":5487},[5222,8023,8024,8026,8028,8030,8032,8034],{"class":5224,"line":5284},[5222,8025,5900],{"class":5487},[5222,8027,7523],{"class":5483},[5222,8029,5931],{"class":5487},[5222,8031,7574],{"class":5809},[5222,8033,7577],{"class":5839},[5222,8035,5948],{"class":5487},[5222,8037,8038,8040,8042,8044],{"class":5224,"line":5290},[5222,8039,7433],{"class":5809},[5222,8041,5913],{"class":5487},[5222,8043,5852],{"class":5891},[5222,8045,5843],{"class":5487},[5222,8047,8048],{"class":5224,"line":5296},[5222,8049,5557],{"emptyLinePlaceholder":5556},[5222,8051,8052],{"class":5224,"line":5651},[5222,8053,8054],{"class":5999},"  \u002F\u002F При видаленні категорії пости залишаються без категорії\n",[5222,8056,8057,8059,8061,8063,8065,8068,8070,8073,8075,8077,8080,8082,8084],{"class":5224,"line":5660},[5222,8058,5900],{"class":5487},[5222,8060,5825],{"class":5483},[5222,8062,6009],{"class":5487},[5222,8064,6012],{"class":5476},[5222,8066,8067],{"class":5809}," Category",[5222,8069,6018],{"class":5487},[5222,8071,8072],{"class":5809},"category",[5222,8074,5520],{"class":5487},[5222,8076,6012],{"class":5476},[5222,8078,8079],{"class":5809}," category",[5222,8081,5209],{"class":5487},[5222,8083,6033],{"class":5809},[5222,8085,6036],{"class":5487},[5222,8087,8088,8090,8092],{"class":5224,"line":5669},[5222,8089,6041],{"class":5809},[5222,8091,6531],{"class":5476},[5222,8093,5502],{"class":5487},[5222,8095,8096,8098,8100],{"class":5224,"line":5675},[5222,8097,6056],{"class":5809},[5222,8099,6545],{"class":5839},[5222,8101,5502],{"class":5487},[5222,8103,8104],{"class":5224,"line":6053},[5222,8105,6070],{"class":5487},[5222,8107,8108,8110,8112,8114,8116,8119],{"class":5224,"line":6067},[5222,8109,5900],{"class":5487},[5222,8111,7523],{"class":5483},[5222,8113,5931],{"class":5487},[5222,8115,7574],{"class":5809},[5222,8117,8118],{"class":5839}," 'category_id'",[5222,8120,5948],{"class":5487},[5222,8122,8123,8126,8128,8131],{"class":5224,"line":6073},[5222,8124,8125],{"class":5809},"  category",[5222,8127,5913],{"class":5487},[5222,8129,8130],{"class":5891},"Category",[5222,8132,5843],{"class":5487},[5222,8134,8135],{"class":5224,"line":6085},[5222,8136,6115],{"class":5487},[5197,8138,8139],{},[5132,8140,8141],{},"Генерований SQL:",[5214,8143,8145],{"className":5467,"code":8144,"language":5469,"meta":5218,"style":5218},"CREATE TABLE posts (\n    id SERIAL PRIMARY KEY,\n    title VARCHAR(255),\n    author_id INTEGER NOT NULL,\n    category_id INTEGER,\n    CONSTRAINT fk_posts_author FOREIGN KEY (author_id) \n        REFERENCES users(id) \n        ON DELETE CASCADE,\n    CONSTRAINT fk_posts_category FOREIGN KEY (category_id) \n        REFERENCES categories(id) \n        ON DELETE SET NULL\n);\n",[5102,8146,8147,8157,8167,8179,8189,8198,8209,8215,8221,8233,8240,8251],{"__ignoreMap":5218},[5222,8148,8149,8151,8153,8155],{"class":5224,"line":5225},[5222,8150,5477],{"class":5476},[5222,8152,5480],{"class":5476},[5222,8154,5566],{"class":5483},[5222,8156,5488],{"class":5487},[5222,8158,8159,8161,8163,8165],{"class":5224,"line":5231},[5222,8160,5493],{"class":5487},[5222,8162,5496],{"class":5476},[5222,8164,5499],{"class":5476},[5222,8166,5502],{"class":5487},[5222,8168,8169,8171,8173,8175,8177],{"class":5224,"line":5237},[5222,8170,5583],{"class":5487},[5222,8172,5510],{"class":5476},[5222,8174,5513],{"class":5487},[5222,8176,5517],{"class":5516},[5222,8178,7636],{"class":5487},[5222,8180,8181,8183,8185,8187],{"class":5224,"line":5243},[5222,8182,7641],{"class":5487},[5222,8184,5616],{"class":5476},[5222,8186,5526],{"class":5476},[5222,8188,5502],{"class":5487},[5222,8190,8191,8194,8196],{"class":5224,"line":5249},[5222,8192,8193],{"class":5487},"    category_id ",[5222,8195,5616],{"class":5476},[5222,8197,5502],{"class":5487},[5222,8199,8200,8202,8204,8206],{"class":5224,"line":5255},[5222,8201,5639],{"class":5476},[5222,8203,7657],{"class":5487},[5222,8205,5645],{"class":5476},[5222,8207,8208],{"class":5487}," (author_id) \n",[5222,8210,8211,8213],{"class":5224,"line":5261},[5222,8212,5654],{"class":5476},[5222,8214,5657],{"class":5487},[5222,8216,8217,8219],{"class":5224,"line":5267},[5222,8218,5663],{"class":5476},[5222,8220,5502],{"class":5487},[5222,8222,8223,8225,8228,8230],{"class":5224,"line":5273},[5222,8224,5639],{"class":5476},[5222,8226,8227],{"class":5487}," fk_posts_category ",[5222,8229,5645],{"class":5476},[5222,8231,8232],{"class":5487}," (category_id) \n",[5222,8234,8235,8237],{"class":5224,"line":5278},[5222,8236,5654],{"class":5476},[5222,8238,8239],{"class":5487}," categories(id) \n",[5222,8241,8242,8245,8248],{"class":5224,"line":5284},[5222,8243,8244],{"class":5476},"        ON DELETE",[5222,8246,8247],{"class":5476}," SET",[5222,8249,8250],{"class":5476}," NULL\n",[5222,8252,8253],{"class":5224,"line":5290},[5222,8254,5551],{"class":5487},[5749,8256,8257,8262,8264,8265,8267],{},[5132,8258,6616,8259,6620],{},[5102,8260,8261],{},"CASCADE DELETE",[5359,8263],{},"\nСтратегія ",[5102,8266,6179],{}," може призвести до ланцюгового видалення великої кількості даних. Наприклад, якщо ви видалите користувача з 10,000 постів, а кожен пост має по 100 коментарів, то одна операція призведе до видалення 1,000,000+ записів. Завжди продумуйте наслідки каскадного видалення у production системах.",[5184,8269],{},[5187,8271,8273],{"id":8272},"eager-vs-lazy-loading","Eager vs Lazy loading",[5192,8275,8277],{"id":8276},"eager-loading-автоматичне-завантаження","Eager loading: автоматичне завантаження",[5197,8279,8280,8283,8284,8287,8288,8291,8292,5209],{},[5132,8281,8282],{},"Eager loading"," — це режим, коли TypeORM автоматично завантажує зв'язані entities при кожному запиті до батьківської entity, ",[5132,8285,8286],{},"без явного вказання"," ",[5102,8289,8290],{},"relations"," у методах ",[5102,8293,8294],{},"find()",[5197,8296,8297],{},[5132,8298,8299,8300,7301],{},"Активація через ",[5102,8301,7307],{},[5214,8303,8305],{"className":5792,"code":8304,"filename":6681,"language":5795,"meta":5218,"style":5218},"@Entity('users')\nexport class User {\n  @PrimaryGeneratedColumn()\n  id: number;\n\n  @Column()\n  name: string;\n\n  @OneToMany(() => Post, (post) => post.user, {\n    eager: true,  \u002F\u002F Завжди завантажувати пости разом з користувачем\n  })\n  posts: Post[];\n}\n",[5102,8306,8307,8319,8329,8337,8347,8351,8359,8369,8373,8401,8413,8417,8427],{"__ignoreMap":5218},[5222,8308,8309,8311,8313,8315,8317],{"class":5224,"line":5225},[5222,8310,5870],{"class":5487},[5222,8312,5810],{"class":5483},[5222,8314,5513],{"class":5487},[5222,8316,6748],{"class":5839},[5222,8318,5880],{"class":5487},[5222,8320,8321,8323,8325,8327],{"class":5224,"line":5231},[5222,8322,5885],{"class":5802},[5222,8324,5888],{"class":5476},[5222,8326,6015],{"class":5891},[5222,8328,5895],{"class":5487},[5222,8330,8331,8333,8335],{"class":5224,"line":5237},[5222,8332,5900],{"class":5487},[5222,8334,5815],{"class":5483},[5222,8336,5905],{"class":5487},[5222,8338,8339,8341,8343,8345],{"class":5224,"line":5243},[5222,8340,5910],{"class":5809},[5222,8342,5913],{"class":5487},[5222,8344,5916],{"class":5891},[5222,8346,5843],{"class":5487},[5222,8348,8349],{"class":5224,"line":5249},[5222,8350,5557],{"emptyLinePlaceholder":5556},[5222,8352,8353,8355,8357],{"class":5224,"line":5255},[5222,8354,5900],{"class":5487},[5222,8356,5820],{"class":5483},[5222,8358,5905],{"class":5487},[5222,8360,8361,8363,8365,8367],{"class":5224,"line":5261},[5222,8362,6850],{"class":5809},[5222,8364,5913],{"class":5487},[5222,8366,5958],{"class":5891},[5222,8368,5843],{"class":5487},[5222,8370,8371],{"class":5224,"line":5267},[5222,8372,5557],{"emptyLinePlaceholder":5556},[5222,8374,8375,8377,8379,8381,8383,8385,8387,8389,8391,8393,8395,8397,8399],{"class":5224,"line":5273},[5222,8376,5900],{"class":5487},[5222,8378,6704],{"class":5483},[5222,8380,6009],{"class":5487},[5222,8382,6012],{"class":5476},[5222,8384,5892],{"class":5809},[5222,8386,6018],{"class":5487},[5222,8388,6882],{"class":5809},[5222,8390,5520],{"class":5487},[5222,8392,6012],{"class":5476},[5222,8394,6889],{"class":5809},[5222,8396,5209],{"class":5487},[5222,8398,6021],{"class":5809},[5222,8400,6036],{"class":5487},[5222,8402,8403,8406,8408,8410],{"class":5224,"line":5278},[5222,8404,8405],{"class":5809},"    eager:",[5222,8407,6531],{"class":5476},[5222,8409,6047],{"class":5487},[5222,8411,8412],{"class":5999},"\u002F\u002F Завжди завантажувати пости разом з користувачем\n",[5222,8414,8415],{"class":5224,"line":5284},[5222,8416,6070],{"class":5487},[5222,8418,8419,8421,8423,8425],{"class":5224,"line":5290},[5222,8420,6916],{"class":5809},[5222,8422,5913],{"class":5487},[5222,8424,6207],{"class":5891},[5222,8426,6923],{"class":5487},[5222,8428,8429],{"class":5224,"line":5296},[5222,8430,6115],{"class":5487},[5197,8432,8433],{},[5132,8434,8435],{},"Використання:",[5214,8437,8439],{"className":5792,"code":8438,"language":5795,"meta":5218,"style":5218},"\u002F\u002F Запит без relations — але posts все одно завантажаться!\nconst user = await userRepository.findOne({ where: { id: 1 } });\nconsole.log(user.posts);  \u002F\u002F Масив постів доступний відразу\n",[5102,8440,8441,8446,8484],{"__ignoreMap":5218},[5222,8442,8443],{"class":5224,"line":5225},[5222,8444,8445],{"class":5999},"\u002F\u002F Запит без relations — але posts все одно завантажаться!\n",[5222,8447,8448,8451,8454,8457,8460,8463,8465,8468,8470,8473,8475,8478,8481],{"class":5224,"line":5231},[5222,8449,8450],{"class":5476},"const",[5222,8452,6028],{"class":8453},"s-QsJ",[5222,8455,8456],{"class":5487}," = ",[5222,8458,8459],{"class":5802},"await",[5222,8461,8462],{"class":5809}," userRepository",[5222,8464,5209],{"class":5487},[5222,8466,8467],{"class":5483},"findOne",[5222,8469,5931],{"class":5487},[5222,8471,8472],{"class":5809},"where:",[5222,8474,5806],{"class":5487},[5222,8476,8477],{"class":5809},"id:",[5222,8479,8480],{"class":5516}," 1",[5222,8482,8483],{"class":5487}," } });\n",[5222,8485,8486,8489,8491,8494,8496,8498,8500,8502,8505],{"class":5224,"line":5237},[5222,8487,8488],{"class":5809},"console",[5222,8490,5209],{"class":5487},[5222,8492,8493],{"class":5483},"log",[5222,8495,5513],{"class":5487},[5222,8497,6021],{"class":5809},[5222,8499,5209],{"class":5487},[5222,8501,6033],{"class":5809},[5222,8503,8504],{"class":5487},");  ",[5222,8506,8507],{"class":5999},"\u002F\u002F Масив постів доступний відразу\n",[5197,8509,8510],{},[5132,8511,8512],{},"Генерований SQL (одразу LEFT JOIN):",[5214,8514,8516],{"className":5467,"code":8515,"language":5469,"meta":5218,"style":5218},"SELECT \n    u.id, u.name,\n    p.id AS post_id, p.title, p.content\nFROM users u\nLEFT JOIN posts p ON p.user_id = u.id\nWHERE u.id = 1;\n",[5102,8517,8518,8525,8530,8541,8549,8563],{"__ignoreMap":5218},[5222,8519,8520,8523],{"class":5224,"line":5225},[5222,8521,8522],{"class":5476},"SELECT",[5222,8524,5666],{"class":5487},[5222,8526,8527],{"class":5224,"line":5231},[5222,8528,8529],{"class":5487},"    u.id, u.name,\n",[5222,8531,8532,8535,8538],{"class":5224,"line":5237},[5222,8533,8534],{"class":5487},"    p.id ",[5222,8536,8537],{"class":5476},"AS",[5222,8539,8540],{"class":5487}," post_id, p.title, p.content\n",[5222,8542,8543,8546],{"class":5224,"line":5243},[5222,8544,8545],{"class":5476},"FROM",[5222,8547,8548],{"class":5487}," users u\n",[5222,8550,8551,8554,8557,8560],{"class":5224,"line":5249},[5222,8552,8553],{"class":5476},"LEFT JOIN",[5222,8555,8556],{"class":5487}," posts p ",[5222,8558,8559],{"class":5476},"ON",[5222,8561,8562],{"class":5487}," p.user_id = u.id\n",[5222,8564,8565,8568,8571,8574],{"class":5224,"line":5255},[5222,8566,8567],{"class":5476},"WHERE",[5222,8569,8570],{"class":5487}," u.id = ",[5222,8572,8573],{"class":5516},"1",[5222,8575,5843],{"class":5487},[5192,8577,8579],{"id":8578},"lazy-loading-завантаження-на-вимогу","Lazy loading: завантаження на вимогу",[5197,8581,8582,8585,8586,8589,8590,5209],{},[5132,8583,8584],{},"Lazy loading"," — це режим, коли зв'язані entities завантажуються лише при ",[5132,8587,8588],{},"явному зверненні"," до відповідної властивості. У TypeORM це реалізується через обгортання властивості у ",[5102,8591,8592],{},"Promise\u003CT[]>",[5197,8594,8595],{},[5132,8596,8597],{},"Активація Lazy loading:",[5214,8599,8601],{"className":5792,"code":8600,"language":5795,"meta":5218,"style":5218},"@Entity('users')\nexport class User {\n  @PrimaryGeneratedColumn()\n  id: number;\n\n  @Column()\n  name: string;\n\n  \u002F\u002F Lazy loading: тип Promise\u003CPost[]> замість Post[]\n  @OneToMany(() => Post, (post) => post.user)\n  posts: Promise\u003CPost[]>;\n}\n",[5102,8602,8603,8615,8625,8633,8643,8647,8655,8665,8669,8674,8702,8719],{"__ignoreMap":5218},[5222,8604,8605,8607,8609,8611,8613],{"class":5224,"line":5225},[5222,8606,5870],{"class":5487},[5222,8608,5810],{"class":5483},[5222,8610,5513],{"class":5487},[5222,8612,6748],{"class":5839},[5222,8614,5880],{"class":5487},[5222,8616,8617,8619,8621,8623],{"class":5224,"line":5231},[5222,8618,5885],{"class":5802},[5222,8620,5888],{"class":5476},[5222,8622,6015],{"class":5891},[5222,8624,5895],{"class":5487},[5222,8626,8627,8629,8631],{"class":5224,"line":5237},[5222,8628,5900],{"class":5487},[5222,8630,5815],{"class":5483},[5222,8632,5905],{"class":5487},[5222,8634,8635,8637,8639,8641],{"class":5224,"line":5243},[5222,8636,5910],{"class":5809},[5222,8638,5913],{"class":5487},[5222,8640,5916],{"class":5891},[5222,8642,5843],{"class":5487},[5222,8644,8645],{"class":5224,"line":5249},[5222,8646,5557],{"emptyLinePlaceholder":5556},[5222,8648,8649,8651,8653],{"class":5224,"line":5255},[5222,8650,5900],{"class":5487},[5222,8652,5820],{"class":5483},[5222,8654,5905],{"class":5487},[5222,8656,8657,8659,8661,8663],{"class":5224,"line":5261},[5222,8658,6850],{"class":5809},[5222,8660,5913],{"class":5487},[5222,8662,5958],{"class":5891},[5222,8664,5843],{"class":5487},[5222,8666,8667],{"class":5224,"line":5267},[5222,8668,5557],{"emptyLinePlaceholder":5556},[5222,8670,8671],{"class":5224,"line":5273},[5222,8672,8673],{"class":5999},"  \u002F\u002F Lazy loading: тип Promise\u003CPost[]> замість Post[]\n",[5222,8675,8676,8678,8680,8682,8684,8686,8688,8690,8692,8694,8696,8698,8700],{"class":5224,"line":5278},[5222,8677,5900],{"class":5487},[5222,8679,6704],{"class":5483},[5222,8681,6009],{"class":5487},[5222,8683,6012],{"class":5476},[5222,8685,5892],{"class":5809},[5222,8687,6018],{"class":5487},[5222,8689,6882],{"class":5809},[5222,8691,5520],{"class":5487},[5222,8693,6012],{"class":5476},[5222,8695,6889],{"class":5809},[5222,8697,5209],{"class":5487},[5222,8699,6021],{"class":5809},[5222,8701,5880],{"class":5487},[5222,8703,8704,8706,8708,8711,8714,8716],{"class":5224,"line":5284},[5222,8705,6916],{"class":5809},[5222,8707,5913],{"class":5487},[5222,8709,8710],{"class":5891},"Promise",[5222,8712,8713],{"class":5487},"\u003C",[5222,8715,6207],{"class":5891},[5222,8717,8718],{"class":5487},"[]>;\n",[5222,8720,8721],{"class":5224,"line":5290},[5222,8722,6115],{"class":5487},[5197,8724,8725],{},[5132,8726,8435],{},[5214,8728,8730],{"className":5792,"code":8729,"language":5795,"meta":5218,"style":5218},"const user = await userRepository.findOne({ where: { id: 1 } });\nconsole.log(user.posts);  \u002F\u002F Promise\u003CPost[]> — дані ще не завантажені\n\n\u002F\u002F Явне завантаження при зверненні\nconst posts = await user.posts;  \u002F\u002F Виконується додатковий SQL-запит\nconsole.log(posts);  \u002F\u002F Масив постів\n",[5102,8731,8732,8760,8781,8785,8790,8811],{"__ignoreMap":5218},[5222,8733,8734,8736,8738,8740,8742,8744,8746,8748,8750,8752,8754,8756,8758],{"class":5224,"line":5225},[5222,8735,8450],{"class":5476},[5222,8737,6028],{"class":8453},[5222,8739,8456],{"class":5487},[5222,8741,8459],{"class":5802},[5222,8743,8462],{"class":5809},[5222,8745,5209],{"class":5487},[5222,8747,8467],{"class":5483},[5222,8749,5931],{"class":5487},[5222,8751,8472],{"class":5809},[5222,8753,5806],{"class":5487},[5222,8755,8477],{"class":5809},[5222,8757,8480],{"class":5516},[5222,8759,8483],{"class":5487},[5222,8761,8762,8764,8766,8768,8770,8772,8774,8776,8778],{"class":5224,"line":5231},[5222,8763,8488],{"class":5809},[5222,8765,5209],{"class":5487},[5222,8767,8493],{"class":5483},[5222,8769,5513],{"class":5487},[5222,8771,6021],{"class":5809},[5222,8773,5209],{"class":5487},[5222,8775,6033],{"class":5809},[5222,8777,8504],{"class":5487},[5222,8779,8780],{"class":5999},"\u002F\u002F Promise\u003CPost[]> — дані ще не завантажені\n",[5222,8782,8783],{"class":5224,"line":5237},[5222,8784,5557],{"emptyLinePlaceholder":5556},[5222,8786,8787],{"class":5224,"line":5243},[5222,8788,8789],{"class":5999},"\u002F\u002F Явне завантаження при зверненні\n",[5222,8791,8792,8794,8796,8798,8800,8802,8804,8806,8808],{"class":5224,"line":5249},[5222,8793,8450],{"class":5476},[5222,8795,5566],{"class":8453},[5222,8797,8456],{"class":5487},[5222,8799,8459],{"class":5802},[5222,8801,6028],{"class":5809},[5222,8803,5209],{"class":5487},[5222,8805,6033],{"class":5809},[5222,8807,7376],{"class":5487},[5222,8809,8810],{"class":5999},"\u002F\u002F Виконується додатковий SQL-запит\n",[5222,8812,8813,8815,8817,8819,8821,8823,8825],{"class":5224,"line":5255},[5222,8814,8488],{"class":5809},[5222,8816,5209],{"class":5487},[5222,8818,8493],{"class":5483},[5222,8820,5513],{"class":5487},[5222,8822,6033],{"class":5809},[5222,8824,8504],{"class":5487},[5222,8826,8827],{"class":5999},"\u002F\u002F Масив постів\n",[5197,8829,8830],{},[5132,8831,8832],{},"SQL-запити:",[5214,8834,8836],{"className":5467,"code":8835,"language":5469,"meta":5218,"style":5218},"-- Перший запит: завантаження користувача\nSELECT * FROM users WHERE id = 1;\n\n-- Другий запит: завантаження постів (при await user.posts)\nSELECT * FROM posts WHERE user_id = 1;\n",[5102,8837,8838,8843,8864,8868,8873],{"__ignoreMap":5218},[5222,8839,8840],{"class":5224,"line":5225},[5222,8841,8842],{"class":5999},"-- Перший запит: завантаження користувача\n",[5222,8844,8845,8847,8850,8852,8855,8857,8860,8862],{"class":5224,"line":5231},[5222,8846,8522],{"class":5476},[5222,8848,8849],{"class":5487}," * ",[5222,8851,8545],{"class":5476},[5222,8853,8854],{"class":5487}," users ",[5222,8856,8567],{"class":5476},[5222,8858,8859],{"class":5487}," id = ",[5222,8861,8573],{"class":5516},[5222,8863,5843],{"class":5487},[5222,8865,8866],{"class":5224,"line":5237},[5222,8867,5557],{"emptyLinePlaceholder":5556},[5222,8869,8870],{"class":5224,"line":5243},[5222,8871,8872],{"class":5999},"-- Другий запит: завантаження постів (при await user.posts)\n",[5222,8874,8875,8877,8879,8881,8884,8886,8889,8891],{"class":5224,"line":5249},[5222,8876,8522],{"class":5476},[5222,8878,8849],{"class":5487},[5222,8880,8545],{"class":5476},[5222,8882,8883],{"class":5487}," posts ",[5222,8885,8567],{"class":5476},[5222,8887,8888],{"class":5487}," user_id = ",[5222,8890,8573],{"class":5516},[5222,8892,5843],{"class":5487},[6612,8894,8895,8898,8900,8901,8903,8904,7318],{},[5132,8896,8897],{},"Lazy loading застаріває у TypeORM 0.3+:",[5359,8899],{},"\nУ нових версіях TypeORM lazy loading через ",[5102,8902,8592],{}," вважається anti-pattern через складність типізації та ризик N+1 проблеми. Рекомендується використовувати явне завантаження через ",[5102,8905,8290],{},[5192,8907,8909],{"id":8908},"performance-implications-вплив-на-продуктивність","Performance implications (вплив на продуктивність)",[5197,8911,8912],{},[5132,8913,8914],{},"Eager loading:",[5197,8916,8917,8918],{},"✅ ",[5132,8919,8920],{},"Переваги:",[5092,8922,8923,8926],{},[5095,8924,8925],{},"Один SQL-запит з JOIN замість багатьох.",[5095,8927,8928],{},"Простота використання — дані завжди доступні без додаткових дій.",[5197,8930,8931,8932],{},"❌ ",[5132,8933,8934],{},"Недоліки:",[5092,8936,8937,8940,8943],{},[5095,8938,8939],{},"Завантаження даних навіть коли вони не потрібні (наприклад, у списку користувачів без перегляду постів).",[5095,8941,8942],{},"Збільшення обсягу даних, що передаються з БД.",[5095,8944,8945],{},"Неможливість відключити eager loading у конкретному запиті (без перевизначення entity).",[5197,8947,8948],{},[5132,8949,8950],{},"Lazy loading:",[5197,8952,8917,8953],{},[5132,8954,8920],{},[5092,8956,8957,8960],{},[5095,8958,8959],{},"Дані завантажуються лише коли потрібні.",[5095,8961,8962],{},"Економія пам'яті та мережевого трафіку.",[5197,8964,8931,8965],{},[5132,8966,8934],{},[5092,8968,8969,8979],{},[5095,8970,8971,8974,8975,8978],{},[5132,8972,8973],{},"N+1 problem:"," Якщо ви завантажите 100 користувачів і потім пройдетесь у циклі по ",[5102,8976,8977],{},"await user.posts",", виконається 100 додаткових запитів.",[5095,8980,8981,8982,8984,8985,6396],{},"Складність типізації (",[5102,8983,8592],{}," замість ",[5102,8986,8987],{},"T[]",[5192,8989,8991],{"id":8990},"коли-використовувати-кожен-підхід","Коли використовувати кожен підхід",[5197,8993,8994],{},[5132,8995,8996],{},"Використовуйте Eager loading:",[5684,8998,8999,9006,9009],{},[5095,9000,9001,9002,9005],{},"Коли зв'язані дані потрібні ",[5132,9003,9004],{},"завжди"," (наприклад, завантаження профілю користувача з аватаром).",[5095,9007,9008],{},"Коли обсяг зв'язаних даних невеликий (наприклад, один зв'язок, а не колекція).",[5095,9010,9011],{},"Коли ви впевнені, що JOIN не спричинить проблем продуктивності.",[5197,9013,9014],{},[5132,9015,9016],{},"Уникайте Eager loading:",[5684,9018,9019,9025,9028],{},[5095,9020,9021,9022,9024],{},"На зв'язках ",[5102,9023,5108],{},", де дочірніх записів може бути багато.",[5095,9026,9027],{},"У списках (paginated queries), де користувач не переглядає деталі кожного запису.",[5095,9029,9030],{},"У API endpoint, де клієнт може вибирати, які дані завантажувати (наприклад, GraphQL).",[5197,9032,9033],{},[5132,9034,9035],{},"Рекомендація:",[6191,9037,9038,9041,9043,9044,8287,9047,9049,9050,9052,9053,9056],{},[5132,9039,9040],{},"Best Practice — явне завантаження:",[5359,9042],{},"\nНайкращий підхід — ",[5132,9045,9046],{},"не використовувати",[5102,9048,7307],{}," за замовчуванням. Замість цього явно вказуйте ",[5102,9051,8290],{}," у методах репозиторію або використовуйте QueryBuilder з ",[5102,9054,9055],{},"leftJoinAndSelect()",". Це дає повний контроль над тим, які дані завантажуються у кожному конкретному запиті.",[5184,9058],{},[5187,9060,9062],{"id":9061},"завантаження-звязаних-даних","Завантаження зв'язаних даних",[5192,9064,9066,9067,6148,9069],{"id":9065},"опція-relations-у-find","Опція ",[5102,9068,8290],{},[5102,9070,8294],{},[5197,9072,9073,9074,9076],{},"Найпростіший спосіб завантажити зв'язані entities — використати опцію ",[5102,9075,8290],{}," у методах репозиторію.",[5197,9078,9079],{},[5132,9080,9081],{},"Базовий приклад:",[5214,9083,9085],{"className":5792,"code":9084,"language":5795,"meta":5218,"style":5218},"\u002F\u002F Завантажити користувача з постами\nconst user = await userRepository.findOne({\n  where: { id: 1 },\n  relations: ['posts'],  \u002F\u002F Завантажити зв'язок posts\n});\n\nconsole.log(user.posts);  \u002F\u002F Масив постів доступний відразу\n",[5102,9086,9087,9092,9110,9124,9138,9143,9147],{"__ignoreMap":5218},[5222,9088,9089],{"class":5224,"line":5225},[5222,9090,9091],{"class":5999},"\u002F\u002F Завантажити користувача з постами\n",[5222,9093,9094,9096,9098,9100,9102,9104,9106,9108],{"class":5224,"line":5231},[5222,9095,8450],{"class":5476},[5222,9097,6028],{"class":8453},[5222,9099,8456],{"class":5487},[5222,9101,8459],{"class":5802},[5222,9103,8462],{"class":5809},[5222,9105,5209],{"class":5487},[5222,9107,8467],{"class":5483},[5222,9109,7726],{"class":5487},[5222,9111,9112,9115,9117,9119,9121],{"class":5224,"line":5237},[5222,9113,9114],{"class":5809},"  where:",[5222,9116,5806],{"class":5487},[5222,9118,8477],{"class":5809},[5222,9120,8480],{"class":5516},[5222,9122,9123],{"class":5487}," },\n",[5222,9125,9126,9129,9131,9133,9135],{"class":5224,"line":5243},[5222,9127,9128],{"class":5809},"  relations:",[5222,9130,6585],{"class":5487},[5222,9132,5877],{"class":5839},[5222,9134,7262],{"class":5487},[5222,9136,9137],{"class":5999},"\u002F\u002F Завантажити зв'язок posts\n",[5222,9139,9140],{"class":5224,"line":5249},[5222,9141,9142],{"class":5487},"});\n",[5222,9144,9145],{"class":5224,"line":5255},[5222,9146,5557],{"emptyLinePlaceholder":5556},[5222,9148,9149,9151,9153,9155,9157,9159,9161,9163,9165],{"class":5224,"line":5261},[5222,9150,8488],{"class":5809},[5222,9152,5209],{"class":5487},[5222,9154,8493],{"class":5483},[5222,9156,5513],{"class":5487},[5222,9158,6021],{"class":5809},[5222,9160,5209],{"class":5487},[5222,9162,6033],{"class":5809},[5222,9164,8504],{"class":5487},[5222,9166,8507],{"class":5999},[5197,9168,9169],{},[5132,9170,9171],{},"Генерований SQL (LEFT JOIN):",[5214,9173,9175],{"className":5467,"code":9174,"language":5469,"meta":5218,"style":5218},"SELECT \n    u.id, u.email, u.name, u.created_at,\n    p.id AS post_id, p.title, p.content, p.user_id, p.created_at AS post_created_at\nFROM users u\nLEFT JOIN posts p ON p.user_id = u.id\nWHERE u.id = 1;\n",[5102,9176,9177,9183,9188,9202,9208,9218],{"__ignoreMap":5218},[5222,9178,9179,9181],{"class":5224,"line":5225},[5222,9180,8522],{"class":5476},[5222,9182,5666],{"class":5487},[5222,9184,9185],{"class":5224,"line":5231},[5222,9186,9187],{"class":5487},"    u.id, u.email, u.name, u.created_at,\n",[5222,9189,9190,9192,9194,9197,9199],{"class":5224,"line":5237},[5222,9191,8534],{"class":5487},[5222,9193,8537],{"class":5476},[5222,9195,9196],{"class":5487}," post_id, p.title, p.content, p.user_id, p.created_at ",[5222,9198,8537],{"class":5476},[5222,9200,9201],{"class":5487}," post_created_at\n",[5222,9203,9204,9206],{"class":5224,"line":5243},[5222,9205,8545],{"class":5476},[5222,9207,8548],{"class":5487},[5222,9209,9210,9212,9214,9216],{"class":5224,"line":5249},[5222,9211,8553],{"class":5476},[5222,9213,8556],{"class":5487},[5222,9215,8559],{"class":5476},[5222,9217,8562],{"class":5487},[5222,9219,9220,9222,9224,9226],{"class":5224,"line":5255},[5222,9221,8567],{"class":5476},[5222,9223,8570],{"class":5487},[5222,9225,8573],{"class":5516},[5222,9227,5843],{"class":5487},[5197,9229,9230],{},[5132,9231,9232],{},"Багаторівневі зв'язки (nested relations):",[5197,9234,9235,9236,9238,9239,9241],{},"Якщо у ",[5102,9237,6207],{}," є зв'язок з ",[5102,9240,8130],{},", ви можете завантажити всю ієрархію:",[5214,9243,9245],{"className":5792,"code":9244,"language":5795,"meta":5218,"style":5218},"const user = await userRepository.findOne({\n  where: { id: 1 },\n  relations: ['posts', 'posts.category'],  \u002F\u002F Завантажити пости та їх категорії\n});\n\nconsole.log(user.posts[0].category);  \u002F\u002F Категорія першого поста\n",[5102,9246,9247,9265,9277,9295,9299,9303],{"__ignoreMap":5218},[5222,9248,9249,9251,9253,9255,9257,9259,9261,9263],{"class":5224,"line":5225},[5222,9250,8450],{"class":5476},[5222,9252,6028],{"class":8453},[5222,9254,8456],{"class":5487},[5222,9256,8459],{"class":5802},[5222,9258,8462],{"class":5809},[5222,9260,5209],{"class":5487},[5222,9262,8467],{"class":5483},[5222,9264,7726],{"class":5487},[5222,9266,9267,9269,9271,9273,9275],{"class":5224,"line":5231},[5222,9268,9114],{"class":5809},[5222,9270,5806],{"class":5487},[5222,9272,8477],{"class":5809},[5222,9274,8480],{"class":5516},[5222,9276,9123],{"class":5487},[5222,9278,9279,9281,9283,9285,9287,9290,9292],{"class":5224,"line":5237},[5222,9280,9128],{"class":5809},[5222,9282,6585],{"class":5487},[5222,9284,5877],{"class":5839},[5222,9286,5157],{"class":5487},[5222,9288,9289],{"class":5839},"'posts.category'",[5222,9291,7262],{"class":5487},[5222,9293,9294],{"class":5999},"\u002F\u002F Завантажити пости та їх категорії\n",[5222,9296,9297],{"class":5224,"line":5243},[5222,9298,9142],{"class":5487},[5222,9300,9301],{"class":5224,"line":5249},[5222,9302,5557],{"emptyLinePlaceholder":5556},[5222,9304,9305,9307,9309,9311,9313,9315,9317,9319,9322,9325,9328,9330,9332],{"class":5224,"line":5255},[5222,9306,8488],{"class":5809},[5222,9308,5209],{"class":5487},[5222,9310,8493],{"class":5483},[5222,9312,5513],{"class":5487},[5222,9314,6021],{"class":5809},[5222,9316,5209],{"class":5487},[5222,9318,6033],{"class":5809},[5222,9320,9321],{"class":5487},"[",[5222,9323,9324],{"class":5516},"0",[5222,9326,9327],{"class":5487},"].",[5222,9329,8072],{"class":5809},[5222,9331,8504],{"class":5487},[5222,9333,9334],{"class":5999},"\u002F\u002F Категорія першого поста\n",[5197,9336,9337],{},[5132,9338,9339],{},"SQL-результат (вкладені JOIN):",[5214,9341,9343],{"className":5467,"code":9342,"language":5469,"meta":5218,"style":5218},"SELECT \n    u.*, p.*, c.*\nFROM users u\nLEFT JOIN posts p ON p.user_id = u.id\nLEFT JOIN categories c ON p.category_id = c.id\nWHERE u.id = 1;\n",[5102,9344,9345,9351,9356,9362,9372,9384],{"__ignoreMap":5218},[5222,9346,9347,9349],{"class":5224,"line":5225},[5222,9348,8522],{"class":5476},[5222,9350,5666],{"class":5487},[5222,9352,9353],{"class":5224,"line":5231},[5222,9354,9355],{"class":5487},"    u.*, p.*, c.*\n",[5222,9357,9358,9360],{"class":5224,"line":5237},[5222,9359,8545],{"class":5476},[5222,9361,8548],{"class":5487},[5222,9363,9364,9366,9368,9370],{"class":5224,"line":5243},[5222,9365,8553],{"class":5476},[5222,9367,8556],{"class":5487},[5222,9369,8559],{"class":5476},[5222,9371,8562],{"class":5487},[5222,9373,9374,9376,9379,9381],{"class":5224,"line":5249},[5222,9375,8553],{"class":5476},[5222,9377,9378],{"class":5487}," categories c ",[5222,9380,8559],{"class":5476},[5222,9382,9383],{"class":5487}," p.category_id = c.id\n",[5222,9385,9386,9388,9390,9392],{"class":5224,"line":5255},[5222,9387,8567],{"class":5476},[5222,9389,8570],{"class":5487},[5222,9391,8573],{"class":5516},[5222,9393,5843],{"class":5487},[5192,9395,9397,9399],{"id":9396},"leftjoinandselect-у-querybuilder",[5102,9398,9055],{}," у QueryBuilder",[5197,9401,9402],{},"Для більш складних сценаріїв використовуйте QueryBuilder:",[5214,9404,9406],{"className":5792,"code":9405,"language":5795,"meta":5218,"style":5218},"const users = await userRepository\n  .createQueryBuilder('user')\n  .leftJoinAndSelect('user.posts', 'post')  \u002F\u002F JOIN і SELECT\n  .where('user.is_active = :active', { active: true })\n  .andWhere('post.published_at > :date', { date: new Date('2026-01-01') })\n  .getMany();\n",[5102,9407,9408,9421,9436,9459,9480,9511],{"__ignoreMap":5218},[5222,9409,9410,9412,9414,9416,9418],{"class":5224,"line":5225},[5222,9411,8450],{"class":5476},[5222,9413,5484],{"class":8453},[5222,9415,8456],{"class":5487},[5222,9417,8459],{"class":5802},[5222,9419,9420],{"class":5809}," userRepository\n",[5222,9422,9423,9426,9429,9431,9434],{"class":5224,"line":5231},[5222,9424,9425],{"class":5487},"  .",[5222,9427,9428],{"class":5483},"createQueryBuilder",[5222,9430,5513],{"class":5487},[5222,9432,9433],{"class":5839},"'user'",[5222,9435,5880],{"class":5487},[5222,9437,9438,9440,9443,9445,9448,9450,9453,9456],{"class":5224,"line":5237},[5222,9439,9425],{"class":5487},[5222,9441,9442],{"class":5483},"leftJoinAndSelect",[5222,9444,5513],{"class":5487},[5222,9446,9447],{"class":5839},"'user.posts'",[5222,9449,5157],{"class":5487},[5222,9451,9452],{"class":5839},"'post'",[5222,9454,9455],{"class":5487},")  ",[5222,9457,9458],{"class":5999},"\u002F\u002F JOIN і SELECT\n",[5222,9460,9461,9463,9466,9468,9471,9473,9476,9478],{"class":5224,"line":5243},[5222,9462,9425],{"class":5487},[5222,9464,9465],{"class":5483},"where",[5222,9467,5513],{"class":5487},[5222,9469,9470],{"class":5839},"'user.is_active = :active'",[5222,9472,7710],{"class":5487},[5222,9474,9475],{"class":5809},"active:",[5222,9477,6531],{"class":5476},[5222,9479,5948],{"class":5487},[5222,9481,9482,9484,9487,9489,9492,9494,9497,9500,9503,9505,9508],{"class":5224,"line":5249},[5222,9483,9425],{"class":5487},[5222,9485,9486],{"class":5483},"andWhere",[5222,9488,5513],{"class":5487},[5222,9490,9491],{"class":5839},"'post.published_at > :date'",[5222,9493,7710],{"class":5487},[5222,9495,9496],{"class":5809},"date:",[5222,9498,9499],{"class":5476}," new",[5222,9501,9502],{"class":5483}," Date",[5222,9504,5513],{"class":5487},[5222,9506,9507],{"class":5839},"'2026-01-01'",[5222,9509,9510],{"class":5487},") })\n",[5222,9512,9513,9515,9518],{"class":5224,"line":5255},[5222,9514,9425],{"class":5487},[5222,9516,9517],{"class":5483},"getMany",[5222,9519,9520],{"class":5487},"();\n",[5197,9522,9523],{},[5132,9524,9525],{},"Переваги QueryBuilder:",[5684,9527,9528,9533,9536],{},[5095,9529,9530,9531,6396],{},"Умови на зв'язаних таблицях (через ",[5102,9532,9486],{},[5095,9534,9535],{},"Фільтрація JOIN (замість LEFT JOIN всіх постів можна завантажити лише опубліковані).",[5095,9537,9538,9539,9542,9543,5157,9546,9549],{},"Додаткові методи: сортування (",[5102,9540,9541],{},"orderBy","), пагінація (",[5102,9544,9545],{},"skip",[5102,9547,9548],{},"take","), агрегація.",[5197,9551,9552],{},[5132,9553,9554],{},"Приклад з фільтрацією зв'язків:",[5214,9556,9558],{"className":5792,"code":9557,"language":5795,"meta":5218,"style":5218},"\u002F\u002F Користувачі лише з опублікованими постами\nconst authors = await userRepository\n  .createQueryBuilder('user')\n  .innerJoinAndSelect('user.posts', 'post', 'post.status = :status', { status: 'published' })\n  .getMany();\n",[5102,9559,9560,9565,9578,9590,9620],{"__ignoreMap":5218},[5222,9561,9562],{"class":5224,"line":5225},[5222,9563,9564],{"class":5999},"\u002F\u002F Користувачі лише з опублікованими постами\n",[5222,9566,9567,9569,9572,9574,9576],{"class":5224,"line":5231},[5222,9568,8450],{"class":5476},[5222,9570,9571],{"class":8453}," authors",[5222,9573,8456],{"class":5487},[5222,9575,8459],{"class":5802},[5222,9577,9420],{"class":5809},[5222,9579,9580,9582,9584,9586,9588],{"class":5224,"line":5237},[5222,9581,9425],{"class":5487},[5222,9583,9428],{"class":5483},[5222,9585,5513],{"class":5487},[5222,9587,9433],{"class":5839},[5222,9589,5880],{"class":5487},[5222,9591,9592,9594,9597,9599,9601,9603,9605,9607,9610,9612,9615,9618],{"class":5224,"line":5243},[5222,9593,9425],{"class":5487},[5222,9595,9596],{"class":5483},"innerJoinAndSelect",[5222,9598,5513],{"class":5487},[5222,9600,9447],{"class":5839},[5222,9602,5157],{"class":5487},[5222,9604,9452],{"class":5839},[5222,9606,5157],{"class":5487},[5222,9608,9609],{"class":5839},"'post.status = :status'",[5222,9611,7710],{"class":5487},[5222,9613,9614],{"class":5809},"status:",[5222,9616,9617],{"class":5839}," 'published'",[5222,9619,5948],{"class":5487},[5222,9621,9622,9624,9626],{"class":5224,"line":5249},[5222,9623,9425],{"class":5487},[5222,9625,9517],{"class":5483},[5222,9627,9520],{"class":5487},[5353,9629,9630,9641],{},[5197,9631,9632],{},[5132,9633,9634,9637,9638,7301],{},[5102,9635,9636],{},"leftJoin"," vs ",[5102,9639,9640],{},"innerJoin",[5092,9642,9643,9648],{},[5095,9644,9645,9647],{},[5102,9646,9442],{}," — завантажує батьківську entity навіть якщо зв'язаних дочірніх немає (наприклад, користувача без постів).",[5095,9649,9650,9652],{},[5102,9651,9596],{}," — завантажує лише батьківські entities, які мають хоча б одну дочірню (лише користувачів з постами).",[5192,9654,9656],{"id":9655},"вибіркове-завантаження-звязків","Вибіркове завантаження зв'язків",[5197,9658,9659],{},"У великих системах entity може мати десятки зв'язків. Завантаження всіх зв'язків призведе до величезних JOIN запитів та проблем продуктивності.",[5197,9661,9662],{},[5132,9663,9664],{},"Приклад entity з багатьма зв'язками:",[5214,9666,9668],{"className":5792,"code":9667,"language":5795,"meta":5218,"style":5218},"@Entity('users')\nexport class User {\n  @OneToMany(() => Post, (post) => post.author)\n  posts: Post[];\n\n  @OneToMany(() => Comment, (comment) => comment.author)\n  comments: Comment[];\n\n  @OneToMany(() => Like, (like) => like.user)\n  likes: Like[];\n\n  @ManyToOne(() => Company, (company) => company.employees)\n  company: Company;\n\n  @ManyToMany(() => Role, (role) => role.users)\n  roles: Role[];\n}\n",[5102,9669,9670,9682,9692,9721,9731,9735,9766,9778,9782,9813,9825,9829,9861,9873,9877,9909,9921],{"__ignoreMap":5218},[5222,9671,9672,9674,9676,9678,9680],{"class":5224,"line":5225},[5222,9673,5870],{"class":5487},[5222,9675,5810],{"class":5483},[5222,9677,5513],{"class":5487},[5222,9679,6748],{"class":5839},[5222,9681,5880],{"class":5487},[5222,9683,9684,9686,9688,9690],{"class":5224,"line":5231},[5222,9685,5885],{"class":5802},[5222,9687,5888],{"class":5476},[5222,9689,6015],{"class":5891},[5222,9691,5895],{"class":5487},[5222,9693,9694,9696,9698,9700,9702,9704,9706,9708,9710,9712,9714,9716,9719],{"class":5224,"line":5237},[5222,9695,5900],{"class":5487},[5222,9697,6704],{"class":5483},[5222,9699,6009],{"class":5487},[5222,9701,6012],{"class":5476},[5222,9703,5892],{"class":5809},[5222,9705,6018],{"class":5487},[5222,9707,6882],{"class":5809},[5222,9709,5520],{"class":5487},[5222,9711,6012],{"class":5476},[5222,9713,6889],{"class":5809},[5222,9715,5209],{"class":5487},[5222,9717,9718],{"class":5809},"author",[5222,9720,5880],{"class":5487},[5222,9722,9723,9725,9727,9729],{"class":5224,"line":5243},[5222,9724,6916],{"class":5809},[5222,9726,5913],{"class":5487},[5222,9728,6207],{"class":5891},[5222,9730,6923],{"class":5487},[5222,9732,9733],{"class":5224,"line":5249},[5222,9734,5557],{"emptyLinePlaceholder":5556},[5222,9736,9737,9739,9741,9743,9745,9748,9750,9753,9755,9757,9760,9762,9764],{"class":5224,"line":5255},[5222,9738,5900],{"class":5487},[5222,9740,6704],{"class":5483},[5222,9742,6009],{"class":5487},[5222,9744,6012],{"class":5476},[5222,9746,9747],{"class":5809}," Comment",[5222,9749,6018],{"class":5487},[5222,9751,9752],{"class":5809},"comment",[5222,9754,5520],{"class":5487},[5222,9756,6012],{"class":5476},[5222,9758,9759],{"class":5809}," comment",[5222,9761,5209],{"class":5487},[5222,9763,9718],{"class":5809},[5222,9765,5880],{"class":5487},[5222,9767,9768,9771,9773,9776],{"class":5224,"line":5261},[5222,9769,9770],{"class":5809},"  comments",[5222,9772,5913],{"class":5487},[5222,9774,9775],{"class":5891},"Comment",[5222,9777,6923],{"class":5487},[5222,9779,9780],{"class":5224,"line":5267},[5222,9781,5557],{"emptyLinePlaceholder":5556},[5222,9783,9784,9786,9788,9790,9792,9795,9797,9800,9802,9804,9807,9809,9811],{"class":5224,"line":5273},[5222,9785,5900],{"class":5487},[5222,9787,6704],{"class":5483},[5222,9789,6009],{"class":5487},[5222,9791,6012],{"class":5476},[5222,9793,9794],{"class":5809}," Like",[5222,9796,6018],{"class":5487},[5222,9798,9799],{"class":5809},"like",[5222,9801,5520],{"class":5487},[5222,9803,6012],{"class":5476},[5222,9805,9806],{"class":5809}," like",[5222,9808,5209],{"class":5487},[5222,9810,6021],{"class":5809},[5222,9812,5880],{"class":5487},[5222,9814,9815,9818,9820,9823],{"class":5224,"line":5278},[5222,9816,9817],{"class":5809},"  likes",[5222,9819,5913],{"class":5487},[5222,9821,9822],{"class":5891},"Like",[5222,9824,6923],{"class":5487},[5222,9826,9827],{"class":5224,"line":5284},[5222,9828,5557],{"emptyLinePlaceholder":5556},[5222,9830,9831,9833,9835,9837,9839,9842,9844,9847,9849,9851,9854,9856,9859],{"class":5224,"line":5290},[5222,9832,5900],{"class":5487},[5222,9834,5825],{"class":5483},[5222,9836,6009],{"class":5487},[5222,9838,6012],{"class":5476},[5222,9840,9841],{"class":5809}," Company",[5222,9843,6018],{"class":5487},[5222,9845,9846],{"class":5809},"company",[5222,9848,5520],{"class":5487},[5222,9850,6012],{"class":5476},[5222,9852,9853],{"class":5809}," company",[5222,9855,5209],{"class":5487},[5222,9857,9858],{"class":5809},"employees",[5222,9860,5880],{"class":5487},[5222,9862,9863,9866,9868,9871],{"class":5224,"line":5296},[5222,9864,9865],{"class":5809},"  company",[5222,9867,5913],{"class":5487},[5222,9869,9870],{"class":5891},"Company",[5222,9872,5843],{"class":5487},[5222,9874,9875],{"class":5224,"line":5651},[5222,9876,5557],{"emptyLinePlaceholder":5556},[5222,9878,9879,9881,9884,9886,9888,9891,9893,9896,9898,9900,9903,9905,9907],{"class":5224,"line":5660},[5222,9880,5900],{"class":5487},[5222,9882,9883],{"class":5483},"ManyToMany",[5222,9885,6009],{"class":5487},[5222,9887,6012],{"class":5476},[5222,9889,9890],{"class":5809}," Role",[5222,9892,6018],{"class":5487},[5222,9894,9895],{"class":5809},"role",[5222,9897,5520],{"class":5487},[5222,9899,6012],{"class":5476},[5222,9901,9902],{"class":5809}," role",[5222,9904,5209],{"class":5487},[5222,9906,5702],{"class":5809},[5222,9908,5880],{"class":5487},[5222,9910,9911,9914,9916,9919],{"class":5224,"line":5669},[5222,9912,9913],{"class":5809},"  roles",[5222,9915,5913],{"class":5487},[5222,9917,9918],{"class":5891},"Role",[5222,9920,6923],{"class":5487},[5222,9922,9923],{"class":5224,"line":5675},[5222,9924,6115],{"class":5487},[5197,9926,9927],{},[5132,9928,9929],{},"Вибіркове завантаження:",[5214,9931,9933],{"className":5792,"code":9932,"language":5795,"meta":5218,"style":5218},"\u002F\u002F Лише пости та компанія\nconst user = await userRepository.findOne({\n  where: { id: 1 },\n  relations: ['posts', 'company'],\n});\n\n\u002F\u002F Лише коментарі та ролі\nconst user2 = await userRepository.findOne({\n  where: { id: 1 },\n  relations: ['comments', 'roles'],\n});\n",[5102,9934,9935,9940,9958,9970,9986,9990,9994,9999,10018,10030,10046],{"__ignoreMap":5218},[5222,9936,9937],{"class":5224,"line":5225},[5222,9938,9939],{"class":5999},"\u002F\u002F Лише пости та компанія\n",[5222,9941,9942,9944,9946,9948,9950,9952,9954,9956],{"class":5224,"line":5231},[5222,9943,8450],{"class":5476},[5222,9945,6028],{"class":8453},[5222,9947,8456],{"class":5487},[5222,9949,8459],{"class":5802},[5222,9951,8462],{"class":5809},[5222,9953,5209],{"class":5487},[5222,9955,8467],{"class":5483},[5222,9957,7726],{"class":5487},[5222,9959,9960,9962,9964,9966,9968],{"class":5224,"line":5237},[5222,9961,9114],{"class":5809},[5222,9963,5806],{"class":5487},[5222,9965,8477],{"class":5809},[5222,9967,8480],{"class":5516},[5222,9969,9123],{"class":5487},[5222,9971,9972,9974,9976,9978,9980,9983],{"class":5224,"line":5243},[5222,9973,9128],{"class":5809},[5222,9975,6585],{"class":5487},[5222,9977,5877],{"class":5839},[5222,9979,5157],{"class":5487},[5222,9981,9982],{"class":5839},"'company'",[5222,9984,9985],{"class":5487},"],\n",[5222,9987,9988],{"class":5224,"line":5249},[5222,9989,9142],{"class":5487},[5222,9991,9992],{"class":5224,"line":5255},[5222,9993,5557],{"emptyLinePlaceholder":5556},[5222,9995,9996],{"class":5224,"line":5261},[5222,9997,9998],{"class":5999},"\u002F\u002F Лише коментарі та ролі\n",[5222,10000,10001,10003,10006,10008,10010,10012,10014,10016],{"class":5224,"line":5267},[5222,10002,8450],{"class":5476},[5222,10004,10005],{"class":8453}," user2",[5222,10007,8456],{"class":5487},[5222,10009,8459],{"class":5802},[5222,10011,8462],{"class":5809},[5222,10013,5209],{"class":5487},[5222,10015,8467],{"class":5483},[5222,10017,7726],{"class":5487},[5222,10019,10020,10022,10024,10026,10028],{"class":5224,"line":5273},[5222,10021,9114],{"class":5809},[5222,10023,5806],{"class":5487},[5222,10025,8477],{"class":5809},[5222,10027,8480],{"class":5516},[5222,10029,9123],{"class":5487},[5222,10031,10032,10034,10036,10039,10041,10044],{"class":5224,"line":5278},[5222,10033,9128],{"class":5809},[5222,10035,6585],{"class":5487},[5222,10037,10038],{"class":5839},"'comments'",[5222,10040,5157],{"class":5487},[5222,10042,10043],{"class":5839},"'roles'",[5222,10045,9985],{"class":5487},[5222,10047,10048],{"class":5224,"line":5284},[5222,10049,9142],{"class":5487},[5192,10051,10053],{"id":10052},"n1-problem-та-як-його-уникнути","N+1 problem та як його уникнути",[5197,10055,10056,10059],{},[5132,10057,10058],{},"N+1 problem"," — це класична проблема продуктивності ORM, коли для завантаження N записів виконується 1 запит для батьківських entities + N додаткових запитів для кожної дочірньої entity.",[5197,10061,10062],{},[5132,10063,10064],{},"Приклад проблеми:",[5214,10066,10068],{"className":5792,"code":10067,"language":5795,"meta":5218,"style":5218},"\u002F\u002F ❌ Поганий код — N+1 problem\nconst users = await userRepository.find();  \u002F\u002F 1 запит: SELECT * FROM users\n\nfor (const user of users) {\n  const posts = await postRepository.find({ where: { userId: user.id } });  \u002F\u002F N запитів!\n  console.log(`User ${user.name} has ${posts.length} posts`);\n}\n\n\u002F\u002F Якщо users.length = 100, виконається 101 запит!\n",[5102,10069,10070,10075,10098,10102,10121,10160,10207,10211,10215],{"__ignoreMap":5218},[5222,10071,10072],{"class":5224,"line":5225},[5222,10073,10074],{"class":5999},"\u002F\u002F ❌ Поганий код — N+1 problem\n",[5222,10076,10077,10079,10081,10083,10085,10087,10089,10092,10095],{"class":5224,"line":5231},[5222,10078,8450],{"class":5476},[5222,10080,5484],{"class":8453},[5222,10082,8456],{"class":5487},[5222,10084,8459],{"class":5802},[5222,10086,8462],{"class":5809},[5222,10088,5209],{"class":5487},[5222,10090,10091],{"class":5483},"find",[5222,10093,10094],{"class":5487},"();  ",[5222,10096,10097],{"class":5999},"\u002F\u002F 1 запит: SELECT * FROM users\n",[5222,10099,10100],{"class":5224,"line":5237},[5222,10101,5557],{"emptyLinePlaceholder":5556},[5222,10103,10104,10107,10109,10111,10113,10116,10118],{"class":5224,"line":5243},[5222,10105,10106],{"class":5802},"for",[5222,10108,5341],{"class":5487},[5222,10110,8450],{"class":5476},[5222,10112,6028],{"class":8453},[5222,10114,10115],{"class":5476}," of",[5222,10117,5484],{"class":5809},[5222,10119,10120],{"class":5487},") {\n",[5222,10122,10123,10126,10128,10130,10132,10135,10137,10139,10141,10143,10145,10148,10150,10152,10154,10157],{"class":5224,"line":5249},[5222,10124,10125],{"class":5476},"  const",[5222,10127,5566],{"class":8453},[5222,10129,8456],{"class":5487},[5222,10131,8459],{"class":5802},[5222,10133,10134],{"class":5809}," postRepository",[5222,10136,5209],{"class":5487},[5222,10138,10091],{"class":5483},[5222,10140,5931],{"class":5487},[5222,10142,8472],{"class":5809},[5222,10144,5806],{"class":5487},[5222,10146,10147],{"class":5809},"userId:",[5222,10149,6028],{"class":5809},[5222,10151,5209],{"class":5487},[5222,10153,5348],{"class":5809},[5222,10155,10156],{"class":5487}," } });  ",[5222,10158,10159],{"class":5999},"\u002F\u002F N запитів!\n",[5222,10161,10162,10165,10167,10169,10171,10174,10177,10179,10182,10185,10188,10191,10193,10195,10197,10200,10202,10205],{"class":5224,"line":5255},[5222,10163,10164],{"class":5809},"  console",[5222,10166,5209],{"class":5487},[5222,10168,8493],{"class":5483},[5222,10170,5513],{"class":5487},[5222,10172,10173],{"class":5839},"`User ",[5222,10175,10176],{"class":5476},"${",[5222,10178,6021],{"class":5809},[5222,10180,5209],{"class":10181},"sD7JJ",[5222,10183,10184],{"class":5809},"name",[5222,10186,10187],{"class":5476},"}",[5222,10189,10190],{"class":5839}," has ",[5222,10192,10176],{"class":5476},[5222,10194,6033],{"class":5809},[5222,10196,5209],{"class":10181},[5222,10198,10199],{"class":5809},"length",[5222,10201,10187],{"class":5476},[5222,10203,10204],{"class":5839}," posts`",[5222,10206,5551],{"class":5487},[5222,10208,10209],{"class":5224,"line":5261},[5222,10210,6115],{"class":5487},[5222,10212,10213],{"class":5224,"line":5267},[5222,10214,5557],{"emptyLinePlaceholder":5556},[5222,10216,10217],{"class":5224,"line":5273},[5222,10218,10219],{"class":5999},"\u002F\u002F Якщо users.length = 100, виконається 101 запит!\n",[5197,10221,10222],{},[5132,10223,10224,10225,7301],{},"Рішення 1 — використати ",[5102,10226,8290],{},[5214,10228,10230],{"className":5792,"code":10229,"language":5795,"meta":5218,"style":5218},"\u002F\u002F ✅ Правильно — один запит з JOIN\nconst users = await userRepository.find({\n  relations: ['posts'],  \u002F\u002F LEFT JOIN posts\n});\n\nfor (const user of users) {\n  console.log(`User ${user.name} has ${user.posts.length} posts`);\n}\n",[5102,10231,10232,10237,10255,10268,10272,10276,10292,10334],{"__ignoreMap":5218},[5222,10233,10234],{"class":5224,"line":5225},[5222,10235,10236],{"class":5999},"\u002F\u002F ✅ Правильно — один запит з JOIN\n",[5222,10238,10239,10241,10243,10245,10247,10249,10251,10253],{"class":5224,"line":5231},[5222,10240,8450],{"class":5476},[5222,10242,5484],{"class":8453},[5222,10244,8456],{"class":5487},[5222,10246,8459],{"class":5802},[5222,10248,8462],{"class":5809},[5222,10250,5209],{"class":5487},[5222,10252,10091],{"class":5483},[5222,10254,7726],{"class":5487},[5222,10256,10257,10259,10261,10263,10265],{"class":5224,"line":5237},[5222,10258,9128],{"class":5809},[5222,10260,6585],{"class":5487},[5222,10262,5877],{"class":5839},[5222,10264,7262],{"class":5487},[5222,10266,10267],{"class":5999},"\u002F\u002F LEFT JOIN posts\n",[5222,10269,10270],{"class":5224,"line":5243},[5222,10271,9142],{"class":5487},[5222,10273,10274],{"class":5224,"line":5249},[5222,10275,5557],{"emptyLinePlaceholder":5556},[5222,10277,10278,10280,10282,10284,10286,10288,10290],{"class":5224,"line":5255},[5222,10279,10106],{"class":5802},[5222,10281,5341],{"class":5487},[5222,10283,8450],{"class":5476},[5222,10285,6028],{"class":8453},[5222,10287,10115],{"class":5476},[5222,10289,5484],{"class":5809},[5222,10291,10120],{"class":5487},[5222,10293,10294,10296,10298,10300,10302,10304,10306,10308,10310,10312,10314,10316,10318,10320,10322,10324,10326,10328,10330,10332],{"class":5224,"line":5261},[5222,10295,10164],{"class":5809},[5222,10297,5209],{"class":5487},[5222,10299,8493],{"class":5483},[5222,10301,5513],{"class":5487},[5222,10303,10173],{"class":5839},[5222,10305,10176],{"class":5476},[5222,10307,6021],{"class":5809},[5222,10309,5209],{"class":10181},[5222,10311,10184],{"class":5809},[5222,10313,10187],{"class":5476},[5222,10315,10190],{"class":5839},[5222,10317,10176],{"class":5476},[5222,10319,6021],{"class":5809},[5222,10321,5209],{"class":10181},[5222,10323,6033],{"class":5809},[5222,10325,5209],{"class":10181},[5222,10327,10199],{"class":5809},[5222,10329,10187],{"class":5476},[5222,10331,10204],{"class":5839},[5222,10333,5551],{"class":5487},[5222,10335,10336],{"class":5224,"line":5267},[5222,10337,6115],{"class":5487},[5197,10339,10340],{},[5132,10341,10342],{},"Генерований SQL (один запит):",[5214,10344,10346],{"className":5467,"code":10345,"language":5469,"meta":5218,"style":5218},"SELECT \n    u.*, p.*\nFROM users u\nLEFT JOIN posts p ON p.user_id = u.id;\n",[5102,10347,10348,10354,10359,10365],{"__ignoreMap":5218},[5222,10349,10350,10352],{"class":5224,"line":5225},[5222,10351,8522],{"class":5476},[5222,10353,5666],{"class":5487},[5222,10355,10356],{"class":5224,"line":5231},[5222,10357,10358],{"class":5487},"    u.*, p.*\n",[5222,10360,10361,10363],{"class":5224,"line":5237},[5222,10362,8545],{"class":5476},[5222,10364,8548],{"class":5487},[5222,10366,10367,10369,10371,10373],{"class":5224,"line":5243},[5222,10368,8553],{"class":5476},[5222,10370,8556],{"class":5487},[5222,10372,8559],{"class":5476},[5222,10374,10375],{"class":5487}," p.user_id = u.id;\n",[5197,10377,10378],{},[5132,10379,10380],{},"Рішення 2 — QueryBuilder з JOIN:",[5214,10382,10384],{"className":5792,"code":10383,"language":5795,"meta":5218,"style":5218},"const users = await userRepository\n  .createQueryBuilder('user')\n  .leftJoinAndSelect('user.posts', 'post')\n  .getMany();\n",[5102,10385,10386,10398,10410,10426],{"__ignoreMap":5218},[5222,10387,10388,10390,10392,10394,10396],{"class":5224,"line":5225},[5222,10389,8450],{"class":5476},[5222,10391,5484],{"class":8453},[5222,10393,8456],{"class":5487},[5222,10395,8459],{"class":5802},[5222,10397,9420],{"class":5809},[5222,10399,10400,10402,10404,10406,10408],{"class":5224,"line":5231},[5222,10401,9425],{"class":5487},[5222,10403,9428],{"class":5483},[5222,10405,5513],{"class":5487},[5222,10407,9433],{"class":5839},[5222,10409,5880],{"class":5487},[5222,10411,10412,10414,10416,10418,10420,10422,10424],{"class":5224,"line":5237},[5222,10413,9425],{"class":5487},[5222,10415,9442],{"class":5483},[5222,10417,5513],{"class":5487},[5222,10419,9447],{"class":5839},[5222,10421,5157],{"class":5487},[5222,10423,9452],{"class":5839},[5222,10425,5880],{"class":5487},[5222,10427,10428,10430,10432],{"class":5224,"line":5243},[5222,10429,9425],{"class":5487},[5222,10431,9517],{"class":5483},[5222,10433,9520],{"class":5487},[5197,10435,10436],{},[5132,10437,10438],{},"Рішення 3 — DataLoader (для GraphQL):",[5197,10440,10441,10442,10449],{},"У GraphQL серверах використовуйте бібліотеку ",[10443,10444,10448],"a",{"href":10445,"rel":10446},"https:\u002F\u002Fgithub.com\u002Fgraphql\u002Fdataloader",[10447],"nofollow","DataLoader",", яка автоматично батчить запити та кешує результати.",[5749,10451,10452,10455,10457,10458,10461],{},[5132,10453,10454],{},"Завжди перевіряйте SQL-запити:",[5359,10456],{},"\nУвімкніть логування SQL-запитів у DataSource налаштуваннях (",[5102,10459,10460],{},"logging: true","), щоб бачити, скільки запитів виконується. Це допоможе виявити N+1 проблеми на ранніх етапах розробки.",[5184,10463],{},[5187,10465,10467],{"id":10466},"cascade-operations","Cascade operations",[5192,10469,10471],{"id":10470},"що-таке-каскадні-операції","Що таке каскадні операції",[5197,10473,10474,10476,10477,10480,10481,10484],{},[5132,10475,10467],{}," — це автоматичне поширення операцій зі збереження або видалення від батьківської entity на зв'язані дочірні entities. Каскадні операції спрощують роботу з графами об'єктів, оскільки не потрібно вручну викликати ",[5102,10478,10479],{},"save()"," або ",[5102,10482,10483],{},"remove()"," для кожної зв'язаної entity.",[5211,10486,10487],{},[5214,10488,10490],{"className":5216,"code":10489,"language":5211,"meta":5218,"style":5218},"flowchart LR\n    A[userRepository.save\u003Cbr\u002F>user] -->|cascade: true| B[Автоматичне\u003Cbr\u002F>збереження]\n    B --> C[post 1]\n    B --> D[post 2]\n    B --> E[post 3]\n    \n    style A fill:#DBEAFE,stroke:#1d4ed8,color:#1e293b\n    style B fill:#FEF3C7,stroke:#b45309,color:#1e293b\n    style C fill:#DCFCE7,stroke:#16a34a,color:#1e293b\n    style D fill:#DCFCE7,stroke:#16a34a,color:#1e293b\n    style E fill:#DCFCE7,stroke:#16a34a,color:#1e293b\n",[5102,10491,10492,10497,10502,10507,10512,10517,10522,10527,10532,10537,10542],{"__ignoreMap":5218},[5222,10493,10494],{"class":5224,"line":5225},[5222,10495,10496],{},"flowchart LR\n",[5222,10498,10499],{"class":5224,"line":5231},[5222,10500,10501],{},"    A[userRepository.save\u003Cbr\u002F>user] -->|cascade: true| B[Автоматичне\u003Cbr\u002F>збереження]\n",[5222,10503,10504],{"class":5224,"line":5237},[5222,10505,10506],{},"    B --> C[post 1]\n",[5222,10508,10509],{"class":5224,"line":5243},[5222,10510,10511],{},"    B --> D[post 2]\n",[5222,10513,10514],{"class":5224,"line":5249},[5222,10515,10516],{},"    B --> E[post 3]\n",[5222,10518,10519],{"class":5224,"line":5255},[5222,10520,10521],{},"    \n",[5222,10523,10524],{"class":5224,"line":5261},[5222,10525,10526],{},"    style A fill:#DBEAFE,stroke:#1d4ed8,color:#1e293b\n",[5222,10528,10529],{"class":5224,"line":5267},[5222,10530,10531],{},"    style B fill:#FEF3C7,stroke:#b45309,color:#1e293b\n",[5222,10533,10534],{"class":5224,"line":5273},[5222,10535,10536],{},"    style C fill:#DCFCE7,stroke:#16a34a,color:#1e293b\n",[5222,10538,10539],{"class":5224,"line":5278},[5222,10540,10541],{},"    style D fill:#DCFCE7,stroke:#16a34a,color:#1e293b\n",[5222,10543,10544],{"class":5224,"line":5284},[5222,10545,10546],{},"    style E fill:#DCFCE7,stroke:#16a34a,color:#1e293b\n",[5192,10548,10550],{"id":10549},"типи-cascade-операцій","Типи cascade операцій",[5197,10552,10553],{},"TypeORM підтримує кілька типів каскадних операцій:",[6355,10555,10556,10564],{},[6358,10557,10558],{},[6361,10559,10560,10562],{},[6364,10561,6369],{},[6364,10563,6372],{},[6374,10565,10566,10575,10584,10593,10603],{},[6361,10567,10568,10572],{},[6379,10569,10570],{},[5102,10571,5156],{},[6379,10573,10574],{},"При збереженні батьківської entity автоматично зберегти нові дочірні entities.",[6361,10576,10577,10581],{},[6379,10578,10579],{},[5102,10580,5160],{},[6379,10582,10583],{},"При оновленні батьківської entity автоматично оновити зв'язані дочірні entities.",[6361,10585,10586,10590],{},[6379,10587,10588],{},[5102,10589,5163],{},[6379,10591,10592],{},"При видаленні батьківської entity автоматично видалити зв'язані дочірні entities.",[6361,10594,10595,10600],{},[6379,10596,10597],{},[5102,10598,10599],{},"soft-remove",[6379,10601,10602],{},"При soft delete батьківської entity автоматично виконати soft delete дочірніх.",[6361,10604,10605,10610],{},[6379,10606,10607],{},[5102,10608,10609],{},"recover",[6379,10611,10612],{},"При відновленні soft-deleted батьківської entity відновити дочірні.",[5192,10614,10616,10617],{"id":10615},"налаштування-cascade-true","Налаштування ",[5102,10618,6619],{},[5197,10620,9066,10621,10623,10624,10627],{},[5102,10622,6619],{}," активує ",[5132,10625,10626],{},"всі"," типи каскадних операцій:",[5214,10629,10631],{"className":5792,"code":10630,"filename":6681,"language":5795,"meta":5218,"style":5218},"@Entity('users')\nexport class User {\n  @PrimaryGeneratedColumn()\n  id: number;\n\n  @Column()\n  name: string;\n\n  @OneToMany(() => Post, (post) => post.user, {\n    cascade: true,  \u002F\u002F Активує insert, update, remove, soft-remove, recover\n  })\n  posts: Post[];\n}\n",[5102,10632,10633,10645,10655,10663,10673,10677,10685,10695,10699,10727,10738,10742,10752],{"__ignoreMap":5218},[5222,10634,10635,10637,10639,10641,10643],{"class":5224,"line":5225},[5222,10636,5870],{"class":5487},[5222,10638,5810],{"class":5483},[5222,10640,5513],{"class":5487},[5222,10642,6748],{"class":5839},[5222,10644,5880],{"class":5487},[5222,10646,10647,10649,10651,10653],{"class":5224,"line":5231},[5222,10648,5885],{"class":5802},[5222,10650,5888],{"class":5476},[5222,10652,6015],{"class":5891},[5222,10654,5895],{"class":5487},[5222,10656,10657,10659,10661],{"class":5224,"line":5237},[5222,10658,5900],{"class":5487},[5222,10660,5815],{"class":5483},[5222,10662,5905],{"class":5487},[5222,10664,10665,10667,10669,10671],{"class":5224,"line":5243},[5222,10666,5910],{"class":5809},[5222,10668,5913],{"class":5487},[5222,10670,5916],{"class":5891},[5222,10672,5843],{"class":5487},[5222,10674,10675],{"class":5224,"line":5249},[5222,10676,5557],{"emptyLinePlaceholder":5556},[5222,10678,10679,10681,10683],{"class":5224,"line":5255},[5222,10680,5900],{"class":5487},[5222,10682,5820],{"class":5483},[5222,10684,5905],{"class":5487},[5222,10686,10687,10689,10691,10693],{"class":5224,"line":5261},[5222,10688,6850],{"class":5809},[5222,10690,5913],{"class":5487},[5222,10692,5958],{"class":5891},[5222,10694,5843],{"class":5487},[5222,10696,10697],{"class":5224,"line":5267},[5222,10698,5557],{"emptyLinePlaceholder":5556},[5222,10700,10701,10703,10705,10707,10709,10711,10713,10715,10717,10719,10721,10723,10725],{"class":5224,"line":5273},[5222,10702,5900],{"class":5487},[5222,10704,6704],{"class":5483},[5222,10706,6009],{"class":5487},[5222,10708,6012],{"class":5476},[5222,10710,5892],{"class":5809},[5222,10712,6018],{"class":5487},[5222,10714,6882],{"class":5809},[5222,10716,5520],{"class":5487},[5222,10718,6012],{"class":5476},[5222,10720,6889],{"class":5809},[5222,10722,5209],{"class":5487},[5222,10724,6021],{"class":5809},[5222,10726,6036],{"class":5487},[5222,10728,10729,10731,10733,10735],{"class":5224,"line":5278},[5222,10730,6900],{"class":5809},[5222,10732,6531],{"class":5476},[5222,10734,6047],{"class":5487},[5222,10736,10737],{"class":5999},"\u002F\u002F Активує insert, update, remove, soft-remove, recover\n",[5222,10739,10740],{"class":5224,"line":5284},[5222,10741,6070],{"class":5487},[5222,10743,10744,10746,10748,10750],{"class":5224,"line":5290},[5222,10745,6916],{"class":5809},[5222,10747,5913],{"class":5487},[5222,10749,6207],{"class":5891},[5222,10751,6923],{"class":5487},[5222,10753,10754],{"class":5224,"line":5296},[5222,10755,6115],{"class":5487},[5197,10757,10758],{},[5132,10759,8435],{},[5214,10761,10763],{"className":5792,"code":10762,"language":5795,"meta":5218,"style":5218},"const user = new User();\nuser.name = 'Олександр';\nuser.posts = [\n  Object.assign(new Post(), { title: 'Пост 1', content: 'Контент 1' }),\n  Object.assign(new Post(), { title: 'Пост 2', content: 'Контент 2' }),\n];\n\n\u002F\u002F Один виклик save зберігає користувача та всі пости\nawait userRepository.save(user);\n",[5102,10764,10765,10780,10795,10806,10842,10872,10877,10881,10886],{"__ignoreMap":5218},[5222,10766,10767,10769,10771,10773,10776,10778],{"class":5224,"line":5225},[5222,10768,8450],{"class":5476},[5222,10770,6028],{"class":8453},[5222,10772,8456],{"class":5487},[5222,10774,10775],{"class":5476},"new",[5222,10777,6015],{"class":5483},[5222,10779,9520],{"class":5487},[5222,10781,10782,10784,10786,10788,10790,10793],{"class":5224,"line":5231},[5222,10783,6021],{"class":5809},[5222,10785,5209],{"class":5487},[5222,10787,10184],{"class":5809},[5222,10789,8456],{"class":5487},[5222,10791,10792],{"class":5839},"'Олександр'",[5222,10794,5843],{"class":5487},[5222,10796,10797,10799,10801,10803],{"class":5224,"line":5237},[5222,10798,6021],{"class":5809},[5222,10800,5209],{"class":5487},[5222,10802,6033],{"class":5809},[5222,10804,10805],{"class":5487}," = [\n",[5222,10807,10808,10811,10813,10816,10818,10820,10822,10825,10828,10831,10833,10836,10839],{"class":5224,"line":5243},[5222,10809,10810],{"class":5809},"  Object",[5222,10812,5209],{"class":5487},[5222,10814,10815],{"class":5483},"assign",[5222,10817,5513],{"class":5487},[5222,10819,10775],{"class":5476},[5222,10821,5892],{"class":5483},[5222,10823,10824],{"class":5487},"(), { ",[5222,10826,10827],{"class":5809},"title:",[5222,10829,10830],{"class":5839}," 'Пост 1'",[5222,10832,5157],{"class":5487},[5222,10834,10835],{"class":5809},"content:",[5222,10837,10838],{"class":5839}," 'Контент 1'",[5222,10840,10841],{"class":5487}," }),\n",[5222,10843,10844,10846,10848,10850,10852,10854,10856,10858,10860,10863,10865,10867,10870],{"class":5224,"line":5249},[5222,10845,10810],{"class":5809},[5222,10847,5209],{"class":5487},[5222,10849,10815],{"class":5483},[5222,10851,5513],{"class":5487},[5222,10853,10775],{"class":5476},[5222,10855,5892],{"class":5483},[5222,10857,10824],{"class":5487},[5222,10859,10827],{"class":5809},[5222,10861,10862],{"class":5839}," 'Пост 2'",[5222,10864,5157],{"class":5487},[5222,10866,10835],{"class":5809},[5222,10868,10869],{"class":5839}," 'Контент 2'",[5222,10871,10841],{"class":5487},[5222,10873,10874],{"class":5224,"line":5255},[5222,10875,10876],{"class":5487},"];\n",[5222,10878,10879],{"class":5224,"line":5261},[5222,10880,5557],{"emptyLinePlaceholder":5556},[5222,10882,10883],{"class":5224,"line":5267},[5222,10884,10885],{"class":5999},"\u002F\u002F Один виклик save зберігає користувача та всі пости\n",[5222,10887,10888,10890,10892,10894,10897,10899,10901],{"class":5224,"line":5273},[5222,10889,8459],{"class":5802},[5222,10891,8462],{"class":5809},[5222,10893,5209],{"class":5487},[5222,10895,10896],{"class":5483},"save",[5222,10898,5513],{"class":5487},[5222,10900,6021],{"class":5809},[5222,10902,5551],{"class":5487},[5197,10904,10905],{},[5132,10906,8832],{},[5214,10908,10910],{"className":5467,"code":10909,"language":5469,"meta":5218,"style":5218},"-- Вставка користувача\nINSERT INTO users (name) VALUES ('Олександр') RETURNING id;\n\n-- Вставка постів з автоматичним встановленням user_id\nINSERT INTO posts (title, content, user_id) VALUES ('Пост 1', 'Контент 1', 1);\nINSERT INTO posts (title, content, user_id) VALUES ('Пост 2', 'Контент 2', 1);\n",[5102,10911,10912,10917,10939,10943,10948,10973],{"__ignoreMap":5218},[5222,10913,10914],{"class":5224,"line":5225},[5222,10915,10916],{"class":5999},"-- Вставка користувача\n",[5222,10918,10919,10922,10925,10927,10929,10932,10934,10936],{"class":5224,"line":5231},[5222,10920,10921],{"class":5476},"INSERT INTO",[5222,10923,10924],{"class":5487}," users (",[5222,10926,10184],{"class":5476},[5222,10928,5520],{"class":5487},[5222,10930,10931],{"class":5476},"VALUES",[5222,10933,5341],{"class":5487},[5222,10935,10792],{"class":5839},[5222,10937,10938],{"class":5487},") RETURNING id;\n",[5222,10940,10941],{"class":5224,"line":5237},[5222,10942,5557],{"emptyLinePlaceholder":5556},[5222,10944,10945],{"class":5224,"line":5243},[5222,10946,10947],{"class":5999},"-- Вставка постів з автоматичним встановленням user_id\n",[5222,10949,10950,10952,10955,10957,10959,10962,10964,10967,10969,10971],{"class":5224,"line":5249},[5222,10951,10921],{"class":5476},[5222,10953,10954],{"class":5487}," posts (title, content, user_id) ",[5222,10956,10931],{"class":5476},[5222,10958,5341],{"class":5487},[5222,10960,10961],{"class":5839},"'Пост 1'",[5222,10963,5157],{"class":5487},[5222,10965,10966],{"class":5839},"'Контент 1'",[5222,10968,5157],{"class":5487},[5222,10970,8573],{"class":5516},[5222,10972,5551],{"class":5487},[5222,10974,10975,10977,10979,10981,10983,10986,10988,10991,10993,10995],{"class":5224,"line":5255},[5222,10976,10921],{"class":5476},[5222,10978,10954],{"class":5487},[5222,10980,10931],{"class":5476},[5222,10982,5341],{"class":5487},[5222,10984,10985],{"class":5839},"'Пост 2'",[5222,10987,5157],{"class":5487},[5222,10989,10990],{"class":5839},"'Контент 2'",[5222,10992,5157],{"class":5487},[5222,10994,8573],{"class":5516},[5222,10996,5551],{"class":5487},[5192,10998,11000,11001],{"id":10999},"вибірковий-cascade-cascade-insert-update","Вибірковий cascade: ",[5102,11002,11003],{},"cascade: ['insert', 'update']",[5197,11005,11006],{},"Часто вам потрібні лише певні типи каскадних операцій. Наприклад, автоматичне збереження нових постів, але без автоматичного видалення.",[5197,11008,11009],{},[5132,11010,11011],{},"Рекомендований підхід:",[5214,11013,11015],{"className":5792,"code":11014,"language":5795,"meta":5218,"style":5218},"@OneToMany(() => Post, (post) => post.user, {\n  cascade: ['insert', 'update'],  \u002F\u002F Лише збереження\u002Fоновлення\n})\nposts: Post[];\n",[5102,11016,11017,11045,11062,11066],{"__ignoreMap":5218},[5222,11018,11019,11021,11023,11025,11027,11029,11031,11033,11035,11037,11039,11041,11043],{"class":5224,"line":5225},[5222,11020,5870],{"class":5487},[5222,11022,6704],{"class":5483},[5222,11024,6009],{"class":5487},[5222,11026,6012],{"class":5476},[5222,11028,5892],{"class":5809},[5222,11030,6018],{"class":5487},[5222,11032,6882],{"class":5809},[5222,11034,5520],{"class":5487},[5222,11036,6012],{"class":5476},[5222,11038,6889],{"class":5809},[5222,11040,5209],{"class":5487},[5222,11042,6021],{"class":5809},[5222,11044,6036],{"class":5487},[5222,11046,11047,11049,11051,11053,11055,11057,11059],{"class":5224,"line":5231},[5222,11048,6582],{"class":5809},[5222,11050,6585],{"class":5487},[5222,11052,6588],{"class":5839},[5222,11054,5157],{"class":5487},[5222,11056,7259],{"class":5839},[5222,11058,7262],{"class":5487},[5222,11060,11061],{"class":5999},"\u002F\u002F Лише збереження\u002Fоновлення\n",[5222,11063,11064],{"class":5224,"line":5237},[5222,11065,6599],{"class":5487},[5222,11067,11068,11070,11072,11074],{"class":5224,"line":5243},[5222,11069,6033],{"class":6604},[5222,11071,5913],{"class":5487},[5222,11073,6207],{"class":5809},[5222,11075,6923],{"class":5487},[5197,11077,11078],{},[5132,11079,11080],{},"Приклад використання:",[5214,11082,11084],{"className":5792,"code":11083,"language":5795,"meta":5218,"style":5218},"\u002F\u002F Створення нового користувача з постами (спрацює cascade insert)\nconst user = new User();\nuser.name = 'Марія';\nuser.posts = [\n  Object.assign(new Post(), { title: 'Пост A', content: 'Контент A' }),\n];\nawait userRepository.save(user);  \u002F\u002F Зберігає user та post\n\n\u002F\u002F Оновлення існуючого поста (спрацює cascade update)\nuser.posts[0].title = 'Оновлений пост A';\nawait userRepository.save(user);  \u002F\u002F Оновлює user та post\n\n\u002F\u002F Видалення користувача (каскад НЕ спрацює — потрібно вручну видалити пости)\nawait userRepository.remove(user);  \u002F\u002F ❌ Помилка FK constraint, якщо є пости\n",[5102,11085,11086,11091,11105,11120,11130,11160,11164,11183,11187,11192,11216,11235,11239,11244],{"__ignoreMap":5218},[5222,11087,11088],{"class":5224,"line":5225},[5222,11089,11090],{"class":5999},"\u002F\u002F Створення нового користувача з постами (спрацює cascade insert)\n",[5222,11092,11093,11095,11097,11099,11101,11103],{"class":5224,"line":5231},[5222,11094,8450],{"class":5476},[5222,11096,6028],{"class":8453},[5222,11098,8456],{"class":5487},[5222,11100,10775],{"class":5476},[5222,11102,6015],{"class":5483},[5222,11104,9520],{"class":5487},[5222,11106,11107,11109,11111,11113,11115,11118],{"class":5224,"line":5237},[5222,11108,6021],{"class":5809},[5222,11110,5209],{"class":5487},[5222,11112,10184],{"class":5809},[5222,11114,8456],{"class":5487},[5222,11116,11117],{"class":5839},"'Марія'",[5222,11119,5843],{"class":5487},[5222,11121,11122,11124,11126,11128],{"class":5224,"line":5243},[5222,11123,6021],{"class":5809},[5222,11125,5209],{"class":5487},[5222,11127,6033],{"class":5809},[5222,11129,10805],{"class":5487},[5222,11131,11132,11134,11136,11138,11140,11142,11144,11146,11148,11151,11153,11155,11158],{"class":5224,"line":5249},[5222,11133,10810],{"class":5809},[5222,11135,5209],{"class":5487},[5222,11137,10815],{"class":5483},[5222,11139,5513],{"class":5487},[5222,11141,10775],{"class":5476},[5222,11143,5892],{"class":5483},[5222,11145,10824],{"class":5487},[5222,11147,10827],{"class":5809},[5222,11149,11150],{"class":5839}," 'Пост A'",[5222,11152,5157],{"class":5487},[5222,11154,10835],{"class":5809},[5222,11156,11157],{"class":5839}," 'Контент A'",[5222,11159,10841],{"class":5487},[5222,11161,11162],{"class":5224,"line":5255},[5222,11163,10876],{"class":5487},[5222,11165,11166,11168,11170,11172,11174,11176,11178,11180],{"class":5224,"line":5261},[5222,11167,8459],{"class":5802},[5222,11169,8462],{"class":5809},[5222,11171,5209],{"class":5487},[5222,11173,10896],{"class":5483},[5222,11175,5513],{"class":5487},[5222,11177,6021],{"class":5809},[5222,11179,8504],{"class":5487},[5222,11181,11182],{"class":5999},"\u002F\u002F Зберігає user та post\n",[5222,11184,11185],{"class":5224,"line":5267},[5222,11186,5557],{"emptyLinePlaceholder":5556},[5222,11188,11189],{"class":5224,"line":5273},[5222,11190,11191],{"class":5999},"\u002F\u002F Оновлення існуючого поста (спрацює cascade update)\n",[5222,11193,11194,11196,11198,11200,11202,11204,11206,11209,11211,11214],{"class":5224,"line":5278},[5222,11195,6021],{"class":5809},[5222,11197,5209],{"class":5487},[5222,11199,6033],{"class":5809},[5222,11201,9321],{"class":5487},[5222,11203,9324],{"class":5516},[5222,11205,9327],{"class":5487},[5222,11207,11208],{"class":5809},"title",[5222,11210,8456],{"class":5487},[5222,11212,11213],{"class":5839},"'Оновлений пост A'",[5222,11215,5843],{"class":5487},[5222,11217,11218,11220,11222,11224,11226,11228,11230,11232],{"class":5224,"line":5284},[5222,11219,8459],{"class":5802},[5222,11221,8462],{"class":5809},[5222,11223,5209],{"class":5487},[5222,11225,10896],{"class":5483},[5222,11227,5513],{"class":5487},[5222,11229,6021],{"class":5809},[5222,11231,8504],{"class":5487},[5222,11233,11234],{"class":5999},"\u002F\u002F Оновлює user та post\n",[5222,11236,11237],{"class":5224,"line":5290},[5222,11238,5557],{"emptyLinePlaceholder":5556},[5222,11240,11241],{"class":5224,"line":5296},[5222,11242,11243],{"class":5999},"\u002F\u002F Видалення користувача (каскад НЕ спрацює — потрібно вручну видалити пости)\n",[5222,11245,11246,11248,11250,11252,11254,11256,11258,11260],{"class":5224,"line":5651},[5222,11247,8459],{"class":5802},[5222,11249,8462],{"class":5809},[5222,11251,5209],{"class":5487},[5222,11253,5163],{"class":5483},[5222,11255,5513],{"class":5487},[5222,11257,6021],{"class":5809},[5222,11259,8504],{"class":5487},[5222,11261,11262],{"class":5999},"\u002F\u002F ❌ Помилка FK constraint, якщо є пости\n",[5192,11264,11266,11267],{"id":11265},"обережність-з-cascade-remove","Обережність з ",[5102,11268,6640],{},[5197,11270,9066,11271,11273,11274,5209],{},[5102,11272,6640],{}," — найнебезпечніша, оскільки може призвести до ",[5132,11275,11276],{},"непередбачуваного видалення великих обсягів даних",[5197,11278,11279],{},[5132,11280,10064],{},[5214,11282,11284],{"className":5792,"code":11283,"language":5795,"meta":5218,"style":5218},"@OneToMany(() => Post, (post) => post.user, {\n  cascade: ['remove'],  \u002F\u002F ⚠️ Небезпечно!\n})\nposts: Post[];\n",[5102,11285,11286,11314,11328,11332],{"__ignoreMap":5218},[5222,11287,11288,11290,11292,11294,11296,11298,11300,11302,11304,11306,11308,11310,11312],{"class":5224,"line":5225},[5222,11289,5870],{"class":5487},[5222,11291,6704],{"class":5483},[5222,11293,6009],{"class":5487},[5222,11295,6012],{"class":5476},[5222,11297,5892],{"class":5809},[5222,11299,6018],{"class":5487},[5222,11301,6882],{"class":5809},[5222,11303,5520],{"class":5487},[5222,11305,6012],{"class":5476},[5222,11307,6889],{"class":5809},[5222,11309,5209],{"class":5487},[5222,11311,6021],{"class":5809},[5222,11313,6036],{"class":5487},[5222,11315,11316,11318,11320,11323,11325],{"class":5224,"line":5231},[5222,11317,6582],{"class":5809},[5222,11319,6585],{"class":5487},[5222,11321,11322],{"class":5839},"'remove'",[5222,11324,7262],{"class":5487},[5222,11326,11327],{"class":5999},"\u002F\u002F ⚠️ Небезпечно!\n",[5222,11329,11330],{"class":5224,"line":5237},[5222,11331,6599],{"class":5487},[5222,11333,11334,11336,11338,11340],{"class":5224,"line":5243},[5222,11335,6033],{"class":6604},[5222,11337,5913],{"class":5487},[5222,11339,6207],{"class":5809},[5222,11341,6923],{"class":5487},[5214,11343,11345],{"className":5792,"code":11344,"language":5795,"meta":5218,"style":5218},"\u002F\u002F Видалення користувача автоматично видалить всі його пости\nconst user = await userRepository.findOne({ where: { id: 1 }, relations: ['posts'] });\nawait userRepository.remove(user);  \u002F\u002F Видалить user + всі posts (навіть якщо їх 10,000+)\n",[5102,11346,11347,11352,11391],{"__ignoreMap":5218},[5222,11348,11349],{"class":5224,"line":5225},[5222,11350,11351],{"class":5999},"\u002F\u002F Видалення користувача автоматично видалить всі його пости\n",[5222,11353,11354,11356,11358,11360,11362,11364,11366,11368,11370,11372,11374,11376,11378,11381,11384,11386,11388],{"class":5224,"line":5231},[5222,11355,8450],{"class":5476},[5222,11357,6028],{"class":8453},[5222,11359,8456],{"class":5487},[5222,11361,8459],{"class":5802},[5222,11363,8462],{"class":5809},[5222,11365,5209],{"class":5487},[5222,11367,8467],{"class":5483},[5222,11369,5931],{"class":5487},[5222,11371,8472],{"class":5809},[5222,11373,5806],{"class":5487},[5222,11375,8477],{"class":5809},[5222,11377,8480],{"class":5516},[5222,11379,11380],{"class":5487}," }, ",[5222,11382,11383],{"class":5809},"relations:",[5222,11385,6585],{"class":5487},[5222,11387,5877],{"class":5839},[5222,11389,11390],{"class":5487},"] });\n",[5222,11392,11393,11395,11397,11399,11401,11403,11405,11407],{"class":5224,"line":5237},[5222,11394,8459],{"class":5802},[5222,11396,8462],{"class":5809},[5222,11398,5209],{"class":5487},[5222,11400,5163],{"class":5483},[5222,11402,5513],{"class":5487},[5222,11404,6021],{"class":5809},[5222,11406,8504],{"class":5487},[5222,11408,11409],{"class":5999},"\u002F\u002F Видалить user + всі posts (навіть якщо їх 10,000+)\n",[6612,11411,11412,11419,11430],{},[5197,11413,11414],{},[5132,11415,11416,11417,7301],{},"Коли НЕ використовувати ",[5102,11418,6640],{},[5684,11420,11421,11424,11427],{},[5095,11422,11423],{},"Якщо дочірні entities можуть мати власну цінність (наприклад, коментарі користувачів можуть залишатися навіть після видалення автора).",[5095,11425,11426],{},"Якщо обсяг дочірніх даних великий (видалення може зайняти багато часу та заблокувати таблицю).",[5095,11428,11429],{},"Якщо у вас є складна бізнес-логіка видалення (наприклад, відправка email-сповіщень перед видаленням).",[5197,11431,11432,11435,11436,11438],{},[5132,11433,11434],{},"Альтернатива:"," Використовуйте ",[5102,11437,6179],{}," на рівні БД замість TypeORM cascade. Це швидше та безпечніше, оскільки БД сама оптимізує операції.",[5197,11440,11441],{},[5132,11442,11443],{},"Рекомендоване налаштування для більшості випадків:",[5214,11445,11447],{"className":5792,"code":11446,"language":5795,"meta":5218,"style":5218},"@Entity('users')\nexport class User {\n  @OneToMany(() => Post, (post) => post.user, {\n    cascade: ['insert', 'update'],  \u002F\u002F Тільки збереження\n  })\n  posts: Post[];\n}\n\n@Entity('posts')\nexport class Post {\n  @ManyToOne(() => User, (user) => user.posts, {\n    nullable: false,\n    onDelete: 'CASCADE',  \u002F\u002F Видалення на рівні БД\n  })\n  user: User;\n}\n",[5102,11448,11449,11461,11471,11499,11516,11520,11530,11534,11538,11550,11560,11588,11596,11607,11611,11621],{"__ignoreMap":5218},[5222,11450,11451,11453,11455,11457,11459],{"class":5224,"line":5225},[5222,11452,5870],{"class":5487},[5222,11454,5810],{"class":5483},[5222,11456,5513],{"class":5487},[5222,11458,6748],{"class":5839},[5222,11460,5880],{"class":5487},[5222,11462,11463,11465,11467,11469],{"class":5224,"line":5231},[5222,11464,5885],{"class":5802},[5222,11466,5888],{"class":5476},[5222,11468,6015],{"class":5891},[5222,11470,5895],{"class":5487},[5222,11472,11473,11475,11477,11479,11481,11483,11485,11487,11489,11491,11493,11495,11497],{"class":5224,"line":5237},[5222,11474,5900],{"class":5487},[5222,11476,6704],{"class":5483},[5222,11478,6009],{"class":5487},[5222,11480,6012],{"class":5476},[5222,11482,5892],{"class":5809},[5222,11484,6018],{"class":5487},[5222,11486,6882],{"class":5809},[5222,11488,5520],{"class":5487},[5222,11490,6012],{"class":5476},[5222,11492,6889],{"class":5809},[5222,11494,5209],{"class":5487},[5222,11496,6021],{"class":5809},[5222,11498,6036],{"class":5487},[5222,11500,11501,11503,11505,11507,11509,11511,11513],{"class":5224,"line":5243},[5222,11502,6900],{"class":5809},[5222,11504,6585],{"class":5487},[5222,11506,6588],{"class":5839},[5222,11508,5157],{"class":5487},[5222,11510,7259],{"class":5839},[5222,11512,7262],{"class":5487},[5222,11514,11515],{"class":5999},"\u002F\u002F Тільки збереження\n",[5222,11517,11518],{"class":5224,"line":5249},[5222,11519,6070],{"class":5487},[5222,11521,11522,11524,11526,11528],{"class":5224,"line":5255},[5222,11523,6916],{"class":5809},[5222,11525,5913],{"class":5487},[5222,11527,6207],{"class":5891},[5222,11529,6923],{"class":5487},[5222,11531,11532],{"class":5224,"line":5261},[5222,11533,6115],{"class":5487},[5222,11535,11536],{"class":5224,"line":5267},[5222,11537,5557],{"emptyLinePlaceholder":5556},[5222,11539,11540,11542,11544,11546,11548],{"class":5224,"line":5273},[5222,11541,5870],{"class":5487},[5222,11543,5810],{"class":5483},[5222,11545,5513],{"class":5487},[5222,11547,5877],{"class":5839},[5222,11549,5880],{"class":5487},[5222,11551,11552,11554,11556,11558],{"class":5224,"line":5278},[5222,11553,5885],{"class":5802},[5222,11555,5888],{"class":5476},[5222,11557,5892],{"class":5891},[5222,11559,5895],{"class":5487},[5222,11561,11562,11564,11566,11568,11570,11572,11574,11576,11578,11580,11582,11584,11586],{"class":5224,"line":5284},[5222,11563,5900],{"class":5487},[5222,11565,5825],{"class":5483},[5222,11567,6009],{"class":5487},[5222,11569,6012],{"class":5476},[5222,11571,6015],{"class":5809},[5222,11573,6018],{"class":5487},[5222,11575,6021],{"class":5809},[5222,11577,5520],{"class":5487},[5222,11579,6012],{"class":5476},[5222,11581,6028],{"class":5809},[5222,11583,5209],{"class":5487},[5222,11585,6033],{"class":5809},[5222,11587,6036],{"class":5487},[5222,11589,11590,11592,11594],{"class":5224,"line":5290},[5222,11591,6041],{"class":5809},[5222,11593,6044],{"class":5476},[5222,11595,5502],{"class":5487},[5222,11597,11598,11600,11602,11604],{"class":5224,"line":5296},[5222,11599,6056],{"class":5809},[5222,11601,6059],{"class":5839},[5222,11603,6047],{"class":5487},[5222,11605,11606],{"class":5999},"\u002F\u002F Видалення на рівні БД\n",[5222,11608,11609],{"class":5224,"line":5651},[5222,11610,6070],{"class":5487},[5222,11612,11613,11615,11617,11619],{"class":5224,"line":5660},[5222,11614,6076],{"class":5809},[5222,11616,5913],{"class":5487},[5222,11618,5852],{"class":5891},[5222,11620,5843],{"class":5487},[5222,11622,11623],{"class":5224,"line":5669},[5222,11624,6115],{"class":5487},[6191,11626,11627,11632,11652],{},[5197,11628,11629],{},[5132,11630,11631],{},"Best Practice — розділяйте відповідальність:",[5092,11633,11634,11644],{},[5095,11635,11636,5341,11639,5157,11641,11643],{},[5132,11637,11638],{},"TypeORM cascade",[5102,11640,5156],{},[5102,11642,5160],{},") — для зручності збереження графів об'єктів у коді.",[5095,11645,11646,5341,11649,11651],{},[5132,11647,11648],{},"БД cascade",[5102,11650,6179],{},") — для видалення та референційної цілісності.",[5197,11653,11654],{},"Це дає найкращу комбінацію зручності розробки та продуктивності.",[5184,11656],{},[5187,11658,11660],{"id":11659},"створення-та-збереження-звязаних-entities","Створення та збереження зв'язаних entities",[5192,11662,11664],{"id":11663},"створення-дочірньої-entity-з-посиланням-на-батьківську","Створення дочірньої entity з посиланням на батьківську",[5197,11666,11667],{},[5132,11668,11669,11670,11672],{},"Спосіб 1 — створення через ",[5102,11671,10775],{}," з встановленням зв'язку:",[5214,11674,11676],{"className":5792,"code":11675,"language":5795,"meta":5218,"style":5218},"const user = await userRepository.findOne({ where: { id: 1 } });\n\nconst post = new Post();\npost.title = 'Новий пост';\npost.content = 'Контент поста';\npost.user = user;  \u002F\u002F Встановлюємо зв'язок\n\nawait postRepository.save(post);\n",[5102,11677,11678,11706,11710,11724,11739,11755,11772,11776],{"__ignoreMap":5218},[5222,11679,11680,11682,11684,11686,11688,11690,11692,11694,11696,11698,11700,11702,11704],{"class":5224,"line":5225},[5222,11681,8450],{"class":5476},[5222,11683,6028],{"class":8453},[5222,11685,8456],{"class":5487},[5222,11687,8459],{"class":5802},[5222,11689,8462],{"class":5809},[5222,11691,5209],{"class":5487},[5222,11693,8467],{"class":5483},[5222,11695,5931],{"class":5487},[5222,11697,8472],{"class":5809},[5222,11699,5806],{"class":5487},[5222,11701,8477],{"class":5809},[5222,11703,8480],{"class":5516},[5222,11705,8483],{"class":5487},[5222,11707,11708],{"class":5224,"line":5231},[5222,11709,5557],{"emptyLinePlaceholder":5556},[5222,11711,11712,11714,11716,11718,11720,11722],{"class":5224,"line":5237},[5222,11713,8450],{"class":5476},[5222,11715,6889],{"class":8453},[5222,11717,8456],{"class":5487},[5222,11719,10775],{"class":5476},[5222,11721,5892],{"class":5483},[5222,11723,9520],{"class":5487},[5222,11725,11726,11728,11730,11732,11734,11737],{"class":5224,"line":5243},[5222,11727,6882],{"class":5809},[5222,11729,5209],{"class":5487},[5222,11731,11208],{"class":5809},[5222,11733,8456],{"class":5487},[5222,11735,11736],{"class":5839},"'Новий пост'",[5222,11738,5843],{"class":5487},[5222,11740,11741,11743,11745,11748,11750,11753],{"class":5224,"line":5249},[5222,11742,6882],{"class":5809},[5222,11744,5209],{"class":5487},[5222,11746,11747],{"class":5809},"content",[5222,11749,8456],{"class":5487},[5222,11751,11752],{"class":5839},"'Контент поста'",[5222,11754,5843],{"class":5487},[5222,11756,11757,11759,11761,11763,11765,11767,11769],{"class":5224,"line":5255},[5222,11758,6882],{"class":5809},[5222,11760,5209],{"class":5487},[5222,11762,6021],{"class":5809},[5222,11764,8456],{"class":5487},[5222,11766,6021],{"class":5809},[5222,11768,7376],{"class":5487},[5222,11770,11771],{"class":5999},"\u002F\u002F Встановлюємо зв'язок\n",[5222,11773,11774],{"class":5224,"line":5261},[5222,11775,5557],{"emptyLinePlaceholder":5556},[5222,11777,11778,11780,11782,11784,11786,11788,11790],{"class":5224,"line":5267},[5222,11779,8459],{"class":5802},[5222,11781,10134],{"class":5809},[5222,11783,5209],{"class":5487},[5222,11785,10896],{"class":5483},[5222,11787,5513],{"class":5487},[5222,11789,6882],{"class":5809},[5222,11791,5551],{"class":5487},[5197,11793,11794],{},[5132,11795,8141],{},[5214,11797,11799],{"className":5467,"code":11798,"language":5469,"meta":5218,"style":5218},"INSERT INTO posts (title, content, user_id, created_at)\nVALUES ('Новий пост', 'Контент поста', 1, CURRENT_TIMESTAMP)\nRETURNING id;\n",[5102,11800,11801,11808,11827],{"__ignoreMap":5218},[5222,11802,11803,11805],{"class":5224,"line":5225},[5222,11804,10921],{"class":5476},[5222,11806,11807],{"class":5487}," posts (title, content, user_id, created_at)\n",[5222,11809,11810,11812,11814,11816,11818,11820,11822,11824],{"class":5224,"line":5231},[5222,11811,10931],{"class":5476},[5222,11813,5341],{"class":5487},[5222,11815,11736],{"class":5839},[5222,11817,5157],{"class":5487},[5222,11819,11752],{"class":5839},[5222,11821,5157],{"class":5487},[5222,11823,8573],{"class":5516},[5222,11825,11826],{"class":5487},", CURRENT_TIMESTAMP)\n",[5222,11828,11829],{"class":5224,"line":5237},[5222,11830,11831],{"class":5487},"RETURNING id;\n",[5197,11833,11834],{},[5132,11835,11836],{},"Спосіб 2 — створення без завантаження батьківської entity (оптимізація):",[5197,11838,11839],{},"Якщо вам потрібно лише встановити foreign key, не завантажуйте повну entity — створіть \"stub\" об'єкт:",[5214,11841,11843],{"className":5792,"code":11842,"language":5795,"meta":5218,"style":5218},"const post = new Post();\npost.title = 'Новий пост';\npost.content = 'Контент поста';\npost.user = { id: 1 } as User;  \u002F\u002F \"Stub\" об'єкт з лише id\n\nawait postRepository.save(post);\n",[5102,11844,11845,11859,11873,11887,11914,11918],{"__ignoreMap":5218},[5222,11846,11847,11849,11851,11853,11855,11857],{"class":5224,"line":5225},[5222,11848,8450],{"class":5476},[5222,11850,6889],{"class":8453},[5222,11852,8456],{"class":5487},[5222,11854,10775],{"class":5476},[5222,11856,5892],{"class":5483},[5222,11858,9520],{"class":5487},[5222,11860,11861,11863,11865,11867,11869,11871],{"class":5224,"line":5231},[5222,11862,6882],{"class":5809},[5222,11864,5209],{"class":5487},[5222,11866,11208],{"class":5809},[5222,11868,8456],{"class":5487},[5222,11870,11736],{"class":5839},[5222,11872,5843],{"class":5487},[5222,11874,11875,11877,11879,11881,11883,11885],{"class":5224,"line":5237},[5222,11876,6882],{"class":5809},[5222,11878,5209],{"class":5487},[5222,11880,11747],{"class":5809},[5222,11882,8456],{"class":5487},[5222,11884,11752],{"class":5839},[5222,11886,5843],{"class":5487},[5222,11888,11889,11891,11893,11895,11898,11900,11902,11904,11907,11909,11911],{"class":5224,"line":5243},[5222,11890,6882],{"class":5809},[5222,11892,5209],{"class":5487},[5222,11894,6021],{"class":5809},[5222,11896,11897],{"class":5487}," = { ",[5222,11899,8477],{"class":5809},[5222,11901,8480],{"class":5516},[5222,11903,5833],{"class":5487},[5222,11905,11906],{"class":5802},"as",[5222,11908,6015],{"class":5891},[5222,11910,7376],{"class":5487},[5222,11912,11913],{"class":5999},"\u002F\u002F \"Stub\" об'єкт з лише id\n",[5222,11915,11916],{"class":5224,"line":5249},[5222,11917,5557],{"emptyLinePlaceholder":5556},[5222,11919,11920,11922,11924,11926,11928,11930,11932],{"class":5224,"line":5255},[5222,11921,8459],{"class":5802},[5222,11923,10134],{"class":5809},[5222,11925,5209],{"class":5487},[5222,11927,10896],{"class":5483},[5222,11929,5513],{"class":5487},[5222,11931,6882],{"class":5809},[5222,11933,5551],{"class":5487},[6191,11935,11936,11939,11941],{},[5132,11937,11938],{},"Оптимізація — уникайте зайвих SELECT запитів:",[5359,11940],{},"\nЯкщо вам потрібно лише встановити зв'язок, використовуйте \"stub\" об'єкт замість завантаження повної entity. Це зменшує кількість запитів до БД та покращує продуктивність.",[5192,11943,11945],{"id":11944},"cascade-save-через-батьківську-entity","Cascade save через батьківську entity",[5197,11947,11948,11949,11952],{},"Якщо у вас налаштовано ",[5102,11950,11951],{},"cascade: ['insert']"," на батьківській entity, ви можете зберегти весь граф об'єктів за один виклик:",[5214,11954,11956],{"className":5792,"code":11955,"language":5795,"meta":5218,"style":5218},"const user = new User();\nuser.name = 'Іван';\nuser.email = 'ivan@example.com';\nuser.posts = [\n  Object.assign(new Post(), { title: 'Пост 1', content: 'Контент 1' }),\n  Object.assign(new Post(), { title: 'Пост 2', content: 'Контент 2' }),\n];\n\n\u002F\u002F Один виклик зберігає user та всі posts\nawait userRepository.save(user);\n",[5102,11957,11958,11972,11987,12003,12013,12041,12069,12073,12077,12082],{"__ignoreMap":5218},[5222,11959,11960,11962,11964,11966,11968,11970],{"class":5224,"line":5225},[5222,11961,8450],{"class":5476},[5222,11963,6028],{"class":8453},[5222,11965,8456],{"class":5487},[5222,11967,10775],{"class":5476},[5222,11969,6015],{"class":5483},[5222,11971,9520],{"class":5487},[5222,11973,11974,11976,11978,11980,11982,11985],{"class":5224,"line":5231},[5222,11975,6021],{"class":5809},[5222,11977,5209],{"class":5487},[5222,11979,10184],{"class":5809},[5222,11981,8456],{"class":5487},[5222,11983,11984],{"class":5839},"'Іван'",[5222,11986,5843],{"class":5487},[5222,11988,11989,11991,11993,11996,11998,12001],{"class":5224,"line":5237},[5222,11990,6021],{"class":5809},[5222,11992,5209],{"class":5487},[5222,11994,11995],{"class":5809},"email",[5222,11997,8456],{"class":5487},[5222,11999,12000],{"class":5839},"'ivan@example.com'",[5222,12002,5843],{"class":5487},[5222,12004,12005,12007,12009,12011],{"class":5224,"line":5243},[5222,12006,6021],{"class":5809},[5222,12008,5209],{"class":5487},[5222,12010,6033],{"class":5809},[5222,12012,10805],{"class":5487},[5222,12014,12015,12017,12019,12021,12023,12025,12027,12029,12031,12033,12035,12037,12039],{"class":5224,"line":5249},[5222,12016,10810],{"class":5809},[5222,12018,5209],{"class":5487},[5222,12020,10815],{"class":5483},[5222,12022,5513],{"class":5487},[5222,12024,10775],{"class":5476},[5222,12026,5892],{"class":5483},[5222,12028,10824],{"class":5487},[5222,12030,10827],{"class":5809},[5222,12032,10830],{"class":5839},[5222,12034,5157],{"class":5487},[5222,12036,10835],{"class":5809},[5222,12038,10838],{"class":5839},[5222,12040,10841],{"class":5487},[5222,12042,12043,12045,12047,12049,12051,12053,12055,12057,12059,12061,12063,12065,12067],{"class":5224,"line":5255},[5222,12044,10810],{"class":5809},[5222,12046,5209],{"class":5487},[5222,12048,10815],{"class":5483},[5222,12050,5513],{"class":5487},[5222,12052,10775],{"class":5476},[5222,12054,5892],{"class":5483},[5222,12056,10824],{"class":5487},[5222,12058,10827],{"class":5809},[5222,12060,10862],{"class":5839},[5222,12062,5157],{"class":5487},[5222,12064,10835],{"class":5809},[5222,12066,10869],{"class":5839},[5222,12068,10841],{"class":5487},[5222,12070,12071],{"class":5224,"line":5261},[5222,12072,10876],{"class":5487},[5222,12074,12075],{"class":5224,"line":5267},[5222,12076,5557],{"emptyLinePlaceholder":5556},[5222,12078,12079],{"class":5224,"line":5273},[5222,12080,12081],{"class":5999},"\u002F\u002F Один виклик зберігає user та всі posts\n",[5222,12083,12084,12086,12088,12090,12092,12094,12096],{"class":5224,"line":5278},[5222,12085,8459],{"class":5802},[5222,12087,8462],{"class":5809},[5222,12089,5209],{"class":5487},[5222,12091,10896],{"class":5483},[5222,12093,5513],{"class":5487},[5222,12095,6021],{"class":5809},[5222,12097,5551],{"class":5487},[5197,12099,12100],{},[5132,12101,8832],{},[5214,12103,12105],{"className":5467,"code":12104,"language":5469,"meta":5218,"style":5218},"INSERT INTO users (name, email, created_at) VALUES ('Іван', 'ivan@example.com', CURRENT_TIMESTAMP) RETURNING id;\nINSERT INTO posts (title, content, user_id, created_at) VALUES ('Пост 1', 'Контент 1', 1, CURRENT_TIMESTAMP);\nINSERT INTO posts (title, content, user_id, created_at) VALUES ('Пост 2', 'Контент 2', 1, CURRENT_TIMESTAMP);\n",[5102,12106,12107,12131,12155],{"__ignoreMap":5218},[5222,12108,12109,12111,12113,12115,12118,12120,12122,12124,12126,12128],{"class":5224,"line":5225},[5222,12110,10921],{"class":5476},[5222,12112,10924],{"class":5487},[5222,12114,10184],{"class":5476},[5222,12116,12117],{"class":5487},", email, created_at) ",[5222,12119,10931],{"class":5476},[5222,12121,5341],{"class":5487},[5222,12123,11984],{"class":5839},[5222,12125,5157],{"class":5487},[5222,12127,12000],{"class":5839},[5222,12129,12130],{"class":5487},", CURRENT_TIMESTAMP) RETURNING id;\n",[5222,12132,12133,12135,12138,12140,12142,12144,12146,12148,12150,12152],{"class":5224,"line":5231},[5222,12134,10921],{"class":5476},[5222,12136,12137],{"class":5487}," posts (title, content, user_id, created_at) ",[5222,12139,10931],{"class":5476},[5222,12141,5341],{"class":5487},[5222,12143,10961],{"class":5839},[5222,12145,5157],{"class":5487},[5222,12147,10966],{"class":5839},[5222,12149,5157],{"class":5487},[5222,12151,8573],{"class":5516},[5222,12153,12154],{"class":5487},", CURRENT_TIMESTAMP);\n",[5222,12156,12157,12159,12161,12163,12165,12167,12169,12171,12173,12175],{"class":5224,"line":5237},[5222,12158,10921],{"class":5476},[5222,12160,12137],{"class":5487},[5222,12162,10931],{"class":5476},[5222,12164,5341],{"class":5487},[5222,12166,10985],{"class":5839},[5222,12168,5157],{"class":5487},[5222,12170,10990],{"class":5839},[5222,12172,5157],{"class":5487},[5222,12174,8573],{"class":5516},[5222,12176,12154],{"class":5487},[5197,12178,12179],{},[5132,12180,12181],{},"Оновлення існуючого користувача з новими постами:",[5214,12183,12185],{"className":5792,"code":12184,"language":5795,"meta":5218,"style":5218},"const user = await userRepository.findOne({ where: { id: 1 }, relations: ['posts'] });\n\n\u002F\u002F Додаємо новий пост до існуючого масиву\nuser.posts.push(Object.assign(new Post(), { title: 'Новий пост', content: 'Контент' }));\n\nawait userRepository.save(user);  \u002F\u002F Cascade insert спрацює для нового поста\n",[5102,12186,12187,12223,12227,12232,12277,12281],{"__ignoreMap":5218},[5222,12188,12189,12191,12193,12195,12197,12199,12201,12203,12205,12207,12209,12211,12213,12215,12217,12219,12221],{"class":5224,"line":5225},[5222,12190,8450],{"class":5476},[5222,12192,6028],{"class":8453},[5222,12194,8456],{"class":5487},[5222,12196,8459],{"class":5802},[5222,12198,8462],{"class":5809},[5222,12200,5209],{"class":5487},[5222,12202,8467],{"class":5483},[5222,12204,5931],{"class":5487},[5222,12206,8472],{"class":5809},[5222,12208,5806],{"class":5487},[5222,12210,8477],{"class":5809},[5222,12212,8480],{"class":5516},[5222,12214,11380],{"class":5487},[5222,12216,11383],{"class":5809},[5222,12218,6585],{"class":5487},[5222,12220,5877],{"class":5839},[5222,12222,11390],{"class":5487},[5222,12224,12225],{"class":5224,"line":5231},[5222,12226,5557],{"emptyLinePlaceholder":5556},[5222,12228,12229],{"class":5224,"line":5237},[5222,12230,12231],{"class":5999},"\u002F\u002F Додаємо новий пост до існуючого масиву\n",[5222,12233,12234,12236,12238,12240,12242,12245,12247,12250,12252,12254,12256,12258,12260,12262,12264,12267,12269,12271,12274],{"class":5224,"line":5243},[5222,12235,6021],{"class":5809},[5222,12237,5209],{"class":5487},[5222,12239,6033],{"class":5809},[5222,12241,5209],{"class":5487},[5222,12243,12244],{"class":5483},"push",[5222,12246,5513],{"class":5487},[5222,12248,12249],{"class":5809},"Object",[5222,12251,5209],{"class":5487},[5222,12253,10815],{"class":5483},[5222,12255,5513],{"class":5487},[5222,12257,10775],{"class":5476},[5222,12259,5892],{"class":5483},[5222,12261,10824],{"class":5487},[5222,12263,10827],{"class":5809},[5222,12265,12266],{"class":5839}," 'Новий пост'",[5222,12268,5157],{"class":5487},[5222,12270,10835],{"class":5809},[5222,12272,12273],{"class":5839}," 'Контент'",[5222,12275,12276],{"class":5487}," }));\n",[5222,12278,12279],{"class":5224,"line":5249},[5222,12280,5557],{"emptyLinePlaceholder":5556},[5222,12282,12283,12285,12287,12289,12291,12293,12295,12297],{"class":5224,"line":5255},[5222,12284,8459],{"class":5802},[5222,12286,8462],{"class":5809},[5222,12288,5209],{"class":5487},[5222,12290,10896],{"class":5483},[5222,12292,5513],{"class":5487},[5222,12294,6021],{"class":5809},[5222,12296,8504],{"class":5487},[5222,12298,12299],{"class":5999},"\u002F\u002F Cascade insert спрацює для нового поста\n",[5192,12301,12303,12304,12306],{"id":12302},"використання-save-для-звязків","Використання ",[5102,12305,10479],{}," для зв'язків",[5197,12308,12309,12310,12312,12313,12316,12317,12319,12320,12322],{},"Метод ",[5102,12311,10479],{}," у TypeORM є ",[5132,12314,12315],{},"\"upsert\""," операцією — він або вставляє новий запис (якщо немає ",[5102,12318,5348],{},"), або оновлює існуючий (якщо ",[5102,12321,5348],{}," присутній).",[5197,12324,12325],{},[5132,12326,12327],{},"Важливі особливості:",[5684,12329,12330,12391,12540],{},[5095,12331,12332,12335,12336,12338,12339],{},[5132,12333,12334],{},"Автоматичне встановлення foreign key:"," Якщо ви встановлюєте зв'язок через об'єкт, TypeORM автоматично витягує ",[5102,12337,5348],{}," та встановлює його як foreign key.",[5214,12340,12342],{"className":5792,"code":12341,"language":5795,"meta":5218,"style":5218},"const post = new Post();\npost.user = user;  \u002F\u002F TypeORM встановить user_id = user.id\nawait postRepository.save(post);\n",[5102,12343,12344,12358,12375],{"__ignoreMap":5218},[5222,12345,12346,12348,12350,12352,12354,12356],{"class":5224,"line":5225},[5222,12347,8450],{"class":5476},[5222,12349,6889],{"class":8453},[5222,12351,8456],{"class":5487},[5222,12353,10775],{"class":5476},[5222,12355,5892],{"class":5483},[5222,12357,9520],{"class":5487},[5222,12359,12360,12362,12364,12366,12368,12370,12372],{"class":5224,"line":5231},[5222,12361,6882],{"class":5809},[5222,12363,5209],{"class":5487},[5222,12365,6021],{"class":5809},[5222,12367,8456],{"class":5487},[5222,12369,6021],{"class":5809},[5222,12371,7376],{"class":5487},[5222,12373,12374],{"class":5999},"\u002F\u002F TypeORM встановить user_id = user.id\n",[5222,12376,12377,12379,12381,12383,12385,12387,12389],{"class":5224,"line":5237},[5222,12378,8459],{"class":5802},[5222,12380,10134],{"class":5809},[5222,12382,5209],{"class":5487},[5222,12384,10896],{"class":5483},[5222,12386,5513],{"class":5487},[5222,12388,6882],{"class":5809},[5222,12390,5551],{"class":5487},[5095,12392,12393,12396,12397,12506,12508,12511],{},[5132,12394,12395],{},"Оновлення зв'язків:"," Ви можете змінити батьківську entity просто присвоївши нову:",[5214,12398,12400],{"className":5792,"code":12399,"language":5795,"meta":5218,"style":5218},"const post = await postRepository.findOne({ where: { id: 1 }, relations: ['user'] });\nconst newUser = await userRepository.findOne({ where: { id: 2 } });\n\npost.user = newUser;  \u002F\u002F Зміна user_id з 1 на 2\nawait postRepository.save(post);\n",[5102,12401,12402,12438,12468,12472,12490],{"__ignoreMap":5218},[5222,12403,12404,12406,12408,12410,12412,12414,12416,12418,12420,12422,12424,12426,12428,12430,12432,12434,12436],{"class":5224,"line":5225},[5222,12405,8450],{"class":5476},[5222,12407,6889],{"class":8453},[5222,12409,8456],{"class":5487},[5222,12411,8459],{"class":5802},[5222,12413,10134],{"class":5809},[5222,12415,5209],{"class":5487},[5222,12417,8467],{"class":5483},[5222,12419,5931],{"class":5487},[5222,12421,8472],{"class":5809},[5222,12423,5806],{"class":5487},[5222,12425,8477],{"class":5809},[5222,12427,8480],{"class":5516},[5222,12429,11380],{"class":5487},[5222,12431,11383],{"class":5809},[5222,12433,6585],{"class":5487},[5222,12435,9433],{"class":5839},[5222,12437,11390],{"class":5487},[5222,12439,12440,12442,12445,12447,12449,12451,12453,12455,12457,12459,12461,12463,12466],{"class":5224,"line":5231},[5222,12441,8450],{"class":5476},[5222,12443,12444],{"class":8453}," newUser",[5222,12446,8456],{"class":5487},[5222,12448,8459],{"class":5802},[5222,12450,8462],{"class":5809},[5222,12452,5209],{"class":5487},[5222,12454,8467],{"class":5483},[5222,12456,5931],{"class":5487},[5222,12458,8472],{"class":5809},[5222,12460,5806],{"class":5487},[5222,12462,8477],{"class":5809},[5222,12464,12465],{"class":5516}," 2",[5222,12467,8483],{"class":5487},[5222,12469,12470],{"class":5224,"line":5237},[5222,12471,5557],{"emptyLinePlaceholder":5556},[5222,12473,12474,12476,12478,12480,12482,12485,12487],{"class":5224,"line":5243},[5222,12475,6882],{"class":5809},[5222,12477,5209],{"class":5487},[5222,12479,6021],{"class":5809},[5222,12481,8456],{"class":5487},[5222,12483,12484],{"class":5809},"newUser",[5222,12486,7376],{"class":5487},[5222,12488,12489],{"class":5999},"\u002F\u002F Зміна user_id з 1 на 2\n",[5222,12491,12492,12494,12496,12498,12500,12502,12504],{"class":5224,"line":5249},[5222,12493,8459],{"class":5802},[5222,12495,10134],{"class":5809},[5222,12497,5209],{"class":5487},[5222,12499,10896],{"class":5483},[5222,12501,5513],{"class":5487},[5222,12503,6882],{"class":5809},[5222,12505,5551],{"class":5487},[5359,12507],{},[5132,12509,12510],{},"SQL:",[5214,12512,12514],{"className":5467,"code":12513,"language":5469,"meta":5218,"style":5218},"UPDATE posts SET user_id = 2 WHERE id = 1;\n",[5102,12515,12516],{"__ignoreMap":5218},[5222,12517,12518,12521,12523,12526,12528,12531,12534,12536,12538],{"class":5224,"line":5225},[5222,12519,12520],{"class":5476},"UPDATE",[5222,12522,8883],{"class":5487},[5222,12524,12525],{"class":5476},"SET",[5222,12527,8888],{"class":5487},[5222,12529,12530],{"class":5516},"2",[5222,12532,12533],{"class":5476}," WHERE",[5222,12535,8859],{"class":5487},[5222,12537,8573],{"class":5516},[5222,12539,5843],{"class":5487},[5095,12541,12542,12545,12620,12622,12624],{},[5132,12543,12544],{},"Видалення зв'язку (встановлення NULL):",[5214,12546,12548],{"className":5792,"code":12547,"language":5795,"meta":5218,"style":5218},"const post = await postRepository.findOne({ where: { id: 1 }, relations: ['user'] });\npost.user = null;  \u002F\u002F Видалити зв'язок (потрібно nullable: true)\nawait postRepository.save(post);\n",[5102,12549,12550,12586,12604],{"__ignoreMap":5218},[5222,12551,12552,12554,12556,12558,12560,12562,12564,12566,12568,12570,12572,12574,12576,12578,12580,12582,12584],{"class":5224,"line":5225},[5222,12553,8450],{"class":5476},[5222,12555,6889],{"class":8453},[5222,12557,8456],{"class":5487},[5222,12559,8459],{"class":5802},[5222,12561,10134],{"class":5809},[5222,12563,5209],{"class":5487},[5222,12565,8467],{"class":5483},[5222,12567,5931],{"class":5487},[5222,12569,8472],{"class":5809},[5222,12571,5806],{"class":5487},[5222,12573,8477],{"class":5809},[5222,12575,8480],{"class":5516},[5222,12577,11380],{"class":5487},[5222,12579,11383],{"class":5809},[5222,12581,6585],{"class":5487},[5222,12583,9433],{"class":5839},[5222,12585,11390],{"class":5487},[5222,12587,12588,12590,12592,12594,12596,12599,12601],{"class":5224,"line":5231},[5222,12589,6882],{"class":5809},[5222,12591,5209],{"class":5487},[5222,12593,6021],{"class":5809},[5222,12595,8456],{"class":5487},[5222,12597,12598],{"class":5476},"null",[5222,12600,7376],{"class":5487},[5222,12602,12603],{"class":5999},"\u002F\u002F Видалити зв'язок (потрібно nullable: true)\n",[5222,12605,12606,12608,12610,12612,12614,12616,12618],{"class":5224,"line":5237},[5222,12607,8459],{"class":5802},[5222,12609,10134],{"class":5809},[5222,12611,5209],{"class":5487},[5222,12613,10896],{"class":5483},[5222,12615,5513],{"class":5487},[5222,12617,6882],{"class":5809},[5222,12619,5551],{"class":5487},[5359,12621],{},[5132,12623,12510],{},[5214,12625,12627],{"className":5467,"code":12626,"language":5469,"meta":5218,"style":5218},"UPDATE posts SET user_id = NULL WHERE id = 1;\n",[5102,12628,12629],{"__ignoreMap":5218},[5222,12630,12631,12633,12635,12637,12639,12641,12643,12645,12647],{"class":5224,"line":5225},[5222,12632,12520],{"class":5476},[5222,12634,8883],{"class":5487},[5222,12636,12525],{"class":5476},[5222,12638,8888],{"class":5487},[5222,12640,5727],{"class":5476},[5222,12642,12533],{"class":5476},[5222,12644,8859],{"class":5487},[5222,12646,8573],{"class":5516},[5222,12648,5843],{"class":5487},[5192,12650,12652],{"id":12651},"обробка-помилок-foreign-key-constraints","Обробка помилок foreign key constraints",[5197,12654,12655],{},"При роботі зі зв'язками TypeORM може кидати помилки, якщо порушується референційна цілісність:",[5197,12657,12658],{},[5132,12659,12660,12661,7301],{},"Помилка 1 — створення дочірньої entity з неіснуючим батьківським ",[5102,12662,5348],{},[5214,12664,12666],{"className":5792,"code":12665,"language":5795,"meta":5218,"style":5218},"const post = new Post();\npost.title = 'Пост';\npost.user = { id: 99999 } as User;  \u002F\u002F Користувача з id=99999 немає у БД\n\nawait postRepository.save(post);\n\u002F\u002F ❌ QueryFailedError: insert or update on table \"posts\" violates foreign key constraint \"fk_posts_user\"\n",[5102,12667,12668,12682,12697,12723,12727,12743],{"__ignoreMap":5218},[5222,12669,12670,12672,12674,12676,12678,12680],{"class":5224,"line":5225},[5222,12671,8450],{"class":5476},[5222,12673,6889],{"class":8453},[5222,12675,8456],{"class":5487},[5222,12677,10775],{"class":5476},[5222,12679,5892],{"class":5483},[5222,12681,9520],{"class":5487},[5222,12683,12684,12686,12688,12690,12692,12695],{"class":5224,"line":5231},[5222,12685,6882],{"class":5809},[5222,12687,5209],{"class":5487},[5222,12689,11208],{"class":5809},[5222,12691,8456],{"class":5487},[5222,12693,12694],{"class":5839},"'Пост'",[5222,12696,5843],{"class":5487},[5222,12698,12699,12701,12703,12705,12707,12709,12712,12714,12716,12718,12720],{"class":5224,"line":5237},[5222,12700,6882],{"class":5809},[5222,12702,5209],{"class":5487},[5222,12704,6021],{"class":5809},[5222,12706,11897],{"class":5487},[5222,12708,8477],{"class":5809},[5222,12710,12711],{"class":5516}," 99999",[5222,12713,5833],{"class":5487},[5222,12715,11906],{"class":5802},[5222,12717,6015],{"class":5891},[5222,12719,7376],{"class":5487},[5222,12721,12722],{"class":5999},"\u002F\u002F Користувача з id=99999 немає у БД\n",[5222,12724,12725],{"class":5224,"line":5243},[5222,12726,5557],{"emptyLinePlaceholder":5556},[5222,12728,12729,12731,12733,12735,12737,12739,12741],{"class":5224,"line":5249},[5222,12730,8459],{"class":5802},[5222,12732,10134],{"class":5809},[5222,12734,5209],{"class":5487},[5222,12736,10896],{"class":5483},[5222,12738,5513],{"class":5487},[5222,12740,6882],{"class":5809},[5222,12742,5551],{"class":5487},[5222,12744,12745],{"class":5224,"line":5255},[5222,12746,12747],{"class":5999},"\u002F\u002F ❌ QueryFailedError: insert or update on table \"posts\" violates foreign key constraint \"fk_posts_user\"\n",[5197,12749,12750],{},[5132,12751,12752],{},"Обробка:",[5214,12754,12756],{"className":5792,"code":12755,"language":5795,"meta":5218,"style":5218},"try {\n  await postRepository.save(post);\n} catch (error) {\n  if (error.code === '23503') {  \u002F\u002F PostgreSQL код для FK constraint violation\n    throw new BadRequestException('Користувач не знайдений');\n  }\n  throw error;\n}\n",[5102,12757,12758,12765,12782,12797,12822,12839,12844,12854],{"__ignoreMap":5218},[5222,12759,12760,12763],{"class":5224,"line":5225},[5222,12761,12762],{"class":5802},"try",[5222,12764,5895],{"class":5487},[5222,12766,12767,12770,12772,12774,12776,12778,12780],{"class":5224,"line":5231},[5222,12768,12769],{"class":5802},"  await",[5222,12771,10134],{"class":5809},[5222,12773,5209],{"class":5487},[5222,12775,10896],{"class":5483},[5222,12777,5513],{"class":5487},[5222,12779,6882],{"class":5809},[5222,12781,5551],{"class":5487},[5222,12783,12784,12787,12790,12792,12795],{"class":5224,"line":5237},[5222,12785,12786],{"class":5487},"} ",[5222,12788,12789],{"class":5802},"catch",[5222,12791,5341],{"class":5487},[5222,12793,12794],{"class":5809},"error",[5222,12796,10120],{"class":5487},[5222,12798,12799,12802,12804,12806,12808,12810,12813,12816,12819],{"class":5224,"line":5243},[5222,12800,12801],{"class":5802},"  if",[5222,12803,5341],{"class":5487},[5222,12805,12794],{"class":5809},[5222,12807,5209],{"class":5487},[5222,12809,5102],{"class":5809},[5222,12811,12812],{"class":5487}," === ",[5222,12814,12815],{"class":5839},"'23503'",[5222,12817,12818],{"class":5487},") {  ",[5222,12820,12821],{"class":5999},"\u002F\u002F PostgreSQL код для FK constraint violation\n",[5222,12823,12824,12827,12829,12832,12834,12837],{"class":5224,"line":5249},[5222,12825,12826],{"class":5802},"    throw",[5222,12828,9499],{"class":5476},[5222,12830,12831],{"class":5483}," BadRequestException",[5222,12833,5513],{"class":5487},[5222,12835,12836],{"class":5839},"'Користувач не знайдений'",[5222,12838,5551],{"class":5487},[5222,12840,12841],{"class":5224,"line":5255},[5222,12842,12843],{"class":5487},"  }\n",[5222,12845,12846,12849,12852],{"class":5224,"line":5261},[5222,12847,12848],{"class":5802},"  throw",[5222,12850,12851],{"class":5809}," error",[5222,12853,5843],{"class":5487},[5222,12855,12856],{"class":5224,"line":5267},[5222,12857,6115],{"class":5487},[5197,12859,12860],{},[5132,12861,12862,12863,7301],{},"Помилка 2 — видалення батьківської entity при ",[5102,12864,12865],{},"onDelete: 'RESTRICT'",[5214,12867,12869],{"className":5792,"code":12868,"language":5795,"meta":5218,"style":5218},"const user = await userRepository.findOne({ where: { id: 1 } });\nawait userRepository.remove(user);\n\u002F\u002F ❌ QueryFailedError: update or delete on table \"users\" violates foreign key constraint \"fk_posts_user\"\n",[5102,12870,12871,12899,12915],{"__ignoreMap":5218},[5222,12872,12873,12875,12877,12879,12881,12883,12885,12887,12889,12891,12893,12895,12897],{"class":5224,"line":5225},[5222,12874,8450],{"class":5476},[5222,12876,6028],{"class":8453},[5222,12878,8456],{"class":5487},[5222,12880,8459],{"class":5802},[5222,12882,8462],{"class":5809},[5222,12884,5209],{"class":5487},[5222,12886,8467],{"class":5483},[5222,12888,5931],{"class":5487},[5222,12890,8472],{"class":5809},[5222,12892,5806],{"class":5487},[5222,12894,8477],{"class":5809},[5222,12896,8480],{"class":5516},[5222,12898,8483],{"class":5487},[5222,12900,12901,12903,12905,12907,12909,12911,12913],{"class":5224,"line":5231},[5222,12902,8459],{"class":5802},[5222,12904,8462],{"class":5809},[5222,12906,5209],{"class":5487},[5222,12908,5163],{"class":5483},[5222,12910,5513],{"class":5487},[5222,12912,6021],{"class":5809},[5222,12914,5551],{"class":5487},[5222,12916,12917],{"class":5224,"line":5237},[5222,12918,12919],{"class":5999},"\u002F\u002F ❌ QueryFailedError: update or delete on table \"users\" violates foreign key constraint \"fk_posts_user\"\n",[5197,12921,12922],{},[5132,12923,12752],{},[5214,12925,12927],{"className":5792,"code":12926,"language":5795,"meta":5218,"style":5218},"try {\n  await userRepository.remove(user);\n} catch (error) {\n  if (error.code === '23503') {\n    throw new BadRequestException('Не можна видалити користувача, який має пости. Спочатку видаліть пости.');\n  }\n  throw error;\n}\n",[5102,12928,12929,12935,12951,12963,12981,12996,13000,13008],{"__ignoreMap":5218},[5222,12930,12931,12933],{"class":5224,"line":5225},[5222,12932,12762],{"class":5802},[5222,12934,5895],{"class":5487},[5222,12936,12937,12939,12941,12943,12945,12947,12949],{"class":5224,"line":5231},[5222,12938,12769],{"class":5802},[5222,12940,8462],{"class":5809},[5222,12942,5209],{"class":5487},[5222,12944,5163],{"class":5483},[5222,12946,5513],{"class":5487},[5222,12948,6021],{"class":5809},[5222,12950,5551],{"class":5487},[5222,12952,12953,12955,12957,12959,12961],{"class":5224,"line":5237},[5222,12954,12786],{"class":5487},[5222,12956,12789],{"class":5802},[5222,12958,5341],{"class":5487},[5222,12960,12794],{"class":5809},[5222,12962,10120],{"class":5487},[5222,12964,12965,12967,12969,12971,12973,12975,12977,12979],{"class":5224,"line":5243},[5222,12966,12801],{"class":5802},[5222,12968,5341],{"class":5487},[5222,12970,12794],{"class":5809},[5222,12972,5209],{"class":5487},[5222,12974,5102],{"class":5809},[5222,12976,12812],{"class":5487},[5222,12978,12815],{"class":5839},[5222,12980,10120],{"class":5487},[5222,12982,12983,12985,12987,12989,12991,12994],{"class":5224,"line":5249},[5222,12984,12826],{"class":5802},[5222,12986,9499],{"class":5476},[5222,12988,12831],{"class":5483},[5222,12990,5513],{"class":5487},[5222,12992,12993],{"class":5839},"'Не можна видалити користувача, який має пости. Спочатку видаліть пости.'",[5222,12995,5551],{"class":5487},[5222,12997,12998],{"class":5224,"line":5255},[5222,12999,12843],{"class":5487},[5222,13001,13002,13004,13006],{"class":5224,"line":5261},[5222,13003,12848],{"class":5802},[5222,13005,12851],{"class":5809},[5222,13007,5843],{"class":5487},[5222,13009,13010],{"class":5224,"line":5267},[5222,13011,6115],{"class":5487},[5353,13013,13014,13019,13033],{},[5197,13015,13016],{},[5132,13017,13018],{},"Коди помилок PostgreSQL для FK constraints:",[5092,13020,13021,13027],{},[5095,13022,13023,13026],{},[5102,13024,13025],{},"23503"," — foreign key violation (спроба створити\u002Fоновити запис з неіснуючим FK або видалити батьківський запис).",[5095,13028,13029,13032],{},[5102,13030,13031],{},"23505"," — unique violation (порушення унікальності).",[5197,13034,13035,13036,5105,13039,13042],{},"Для інших БД (MySQL, SQLite) коди можуть відрізнятися. Використовуйте ",[5102,13037,13038],{},"error.code",[5102,13040,13041],{},"error.message"," для діагностики.",[5184,13044],{},[5187,13046,13048],{"id":13047},"видалення-звязаних-entities","Видалення зв'язаних entities",[5192,13050,13052,13053],{"id":13051},"стратегії-ondelete","Стратегії ",[5102,13054,6403],{},[5197,13056,13057,13058,13060],{},"Стратегія ",[5102,13059,6403],{}," визначає, що відбувається з дочірніми entities при видаленні батьківської. Ми вже розглядали опції у розділі про налаштування foreign keys. Тепер побачимо їх у дії.",[5197,13062,13063],{},[5132,13064,13065,13066,13068],{},"Приклад 1 — ",[5102,13067,6411],{}," (каскадне видалення):",[5214,13070,13072],{"className":5792,"code":13071,"language":5795,"meta":5218,"style":5218},"@Entity('posts')\nexport class Post {\n  @ManyToOne(() => User, (user) => user.posts, {\n    onDelete: 'CASCADE',\n  })\n  user: User;\n}\n",[5102,13073,13074,13086,13096,13124,13132,13136,13146],{"__ignoreMap":5218},[5222,13075,13076,13078,13080,13082,13084],{"class":5224,"line":5225},[5222,13077,5870],{"class":5487},[5222,13079,5810],{"class":5483},[5222,13081,5513],{"class":5487},[5222,13083,5877],{"class":5839},[5222,13085,5880],{"class":5487},[5222,13087,13088,13090,13092,13094],{"class":5224,"line":5231},[5222,13089,5885],{"class":5802},[5222,13091,5888],{"class":5476},[5222,13093,5892],{"class":5891},[5222,13095,5895],{"class":5487},[5222,13097,13098,13100,13102,13104,13106,13108,13110,13112,13114,13116,13118,13120,13122],{"class":5224,"line":5237},[5222,13099,5900],{"class":5487},[5222,13101,5825],{"class":5483},[5222,13103,6009],{"class":5487},[5222,13105,6012],{"class":5476},[5222,13107,6015],{"class":5809},[5222,13109,6018],{"class":5487},[5222,13111,6021],{"class":5809},[5222,13113,5520],{"class":5487},[5222,13115,6012],{"class":5476},[5222,13117,6028],{"class":5809},[5222,13119,5209],{"class":5487},[5222,13121,6033],{"class":5809},[5222,13123,6036],{"class":5487},[5222,13125,13126,13128,13130],{"class":5224,"line":5243},[5222,13127,6056],{"class":5809},[5222,13129,6059],{"class":5839},[5222,13131,5502],{"class":5487},[5222,13133,13134],{"class":5224,"line":5249},[5222,13135,6070],{"class":5487},[5222,13137,13138,13140,13142,13144],{"class":5224,"line":5255},[5222,13139,6076],{"class":5809},[5222,13141,5913],{"class":5487},[5222,13143,5852],{"class":5891},[5222,13145,5843],{"class":5487},[5222,13147,13148],{"class":5224,"line":5261},[5222,13149,6115],{"class":5487},[5214,13151,13153],{"className":5792,"code":13152,"language":5795,"meta":5218,"style":5218},"\u002F\u002F Видалення користувача автоматично видалить всі його пости\nconst user = await userRepository.findOne({ where: { id: 1 } });\nawait userRepository.remove(user);\n\u002F\u002F SQL: DELETE FROM users WHERE id = 1;\n\u002F\u002F БД автоматично виконає: DELETE FROM posts WHERE user_id = 1;\n",[5102,13154,13155,13159,13187,13203,13208],{"__ignoreMap":5218},[5222,13156,13157],{"class":5224,"line":5225},[5222,13158,11351],{"class":5999},[5222,13160,13161,13163,13165,13167,13169,13171,13173,13175,13177,13179,13181,13183,13185],{"class":5224,"line":5231},[5222,13162,8450],{"class":5476},[5222,13164,6028],{"class":8453},[5222,13166,8456],{"class":5487},[5222,13168,8459],{"class":5802},[5222,13170,8462],{"class":5809},[5222,13172,5209],{"class":5487},[5222,13174,8467],{"class":5483},[5222,13176,5931],{"class":5487},[5222,13178,8472],{"class":5809},[5222,13180,5806],{"class":5487},[5222,13182,8477],{"class":5809},[5222,13184,8480],{"class":5516},[5222,13186,8483],{"class":5487},[5222,13188,13189,13191,13193,13195,13197,13199,13201],{"class":5224,"line":5237},[5222,13190,8459],{"class":5802},[5222,13192,8462],{"class":5809},[5222,13194,5209],{"class":5487},[5222,13196,5163],{"class":5483},[5222,13198,5513],{"class":5487},[5222,13200,6021],{"class":5809},[5222,13202,5551],{"class":5487},[5222,13204,13205],{"class":5224,"line":5243},[5222,13206,13207],{"class":5999},"\u002F\u002F SQL: DELETE FROM users WHERE id = 1;\n",[5222,13209,13210],{"class":5224,"line":5249},[5222,13211,13212],{"class":5999},"\u002F\u002F БД автоматично виконає: DELETE FROM posts WHERE user_id = 1;\n",[5197,13214,13215],{},[5132,13216,13217,13218,13220],{},"Приклад 2 — ",[5102,13219,6183],{}," (встановлення NULL):",[5214,13222,13224],{"className":5792,"code":13223,"language":5795,"meta":5218,"style":5218},"@Entity('posts')\nexport class Post {\n  @ManyToOne(() => User, (user) => user.posts, {\n    nullable: true,  \u002F\u002F Обов'язково для SET NULL\n    onDelete: 'SET NULL',\n  })\n  user: User;\n}\n",[5102,13225,13226,13238,13248,13276,13287,13295,13299,13309],{"__ignoreMap":5218},[5222,13227,13228,13230,13232,13234,13236],{"class":5224,"line":5225},[5222,13229,5870],{"class":5487},[5222,13231,5810],{"class":5483},[5222,13233,5513],{"class":5487},[5222,13235,5877],{"class":5839},[5222,13237,5880],{"class":5487},[5222,13239,13240,13242,13244,13246],{"class":5224,"line":5231},[5222,13241,5885],{"class":5802},[5222,13243,5888],{"class":5476},[5222,13245,5892],{"class":5891},[5222,13247,5895],{"class":5487},[5222,13249,13250,13252,13254,13256,13258,13260,13262,13264,13266,13268,13270,13272,13274],{"class":5224,"line":5237},[5222,13251,5900],{"class":5487},[5222,13253,5825],{"class":5483},[5222,13255,6009],{"class":5487},[5222,13257,6012],{"class":5476},[5222,13259,6015],{"class":5809},[5222,13261,6018],{"class":5487},[5222,13263,6021],{"class":5809},[5222,13265,5520],{"class":5487},[5222,13267,6012],{"class":5476},[5222,13269,6028],{"class":5809},[5222,13271,5209],{"class":5487},[5222,13273,6033],{"class":5809},[5222,13275,6036],{"class":5487},[5222,13277,13278,13280,13282,13284],{"class":5224,"line":5243},[5222,13279,6041],{"class":5809},[5222,13281,6531],{"class":5476},[5222,13283,6047],{"class":5487},[5222,13285,13286],{"class":5999},"\u002F\u002F Обов'язково для SET NULL\n",[5222,13288,13289,13291,13293],{"class":5224,"line":5249},[5222,13290,6056],{"class":5809},[5222,13292,6545],{"class":5839},[5222,13294,5502],{"class":5487},[5222,13296,13297],{"class":5224,"line":5255},[5222,13298,6070],{"class":5487},[5222,13300,13301,13303,13305,13307],{"class":5224,"line":5261},[5222,13302,6076],{"class":5809},[5222,13304,5913],{"class":5487},[5222,13306,5852],{"class":5891},[5222,13308,5843],{"class":5487},[5222,13310,13311],{"class":5224,"line":5267},[5222,13312,6115],{"class":5487},[5214,13314,13316],{"className":5792,"code":13315,"language":5795,"meta":5218,"style":5218},"const user = await userRepository.findOne({ where: { id: 1 } });\nawait userRepository.remove(user);\n\u002F\u002F SQL: DELETE FROM users WHERE id = 1;\n\u002F\u002F БД автоматично виконає: UPDATE posts SET user_id = NULL WHERE user_id = 1;\n",[5102,13317,13318,13346,13362,13366],{"__ignoreMap":5218},[5222,13319,13320,13322,13324,13326,13328,13330,13332,13334,13336,13338,13340,13342,13344],{"class":5224,"line":5225},[5222,13321,8450],{"class":5476},[5222,13323,6028],{"class":8453},[5222,13325,8456],{"class":5487},[5222,13327,8459],{"class":5802},[5222,13329,8462],{"class":5809},[5222,13331,5209],{"class":5487},[5222,13333,8467],{"class":5483},[5222,13335,5931],{"class":5487},[5222,13337,8472],{"class":5809},[5222,13339,5806],{"class":5487},[5222,13341,8477],{"class":5809},[5222,13343,8480],{"class":5516},[5222,13345,8483],{"class":5487},[5222,13347,13348,13350,13352,13354,13356,13358,13360],{"class":5224,"line":5231},[5222,13349,8459],{"class":5802},[5222,13351,8462],{"class":5809},[5222,13353,5209],{"class":5487},[5222,13355,5163],{"class":5483},[5222,13357,5513],{"class":5487},[5222,13359,6021],{"class":5809},[5222,13361,5551],{"class":5487},[5222,13363,13364],{"class":5224,"line":5237},[5222,13365,13207],{"class":5999},[5222,13367,13368],{"class":5224,"line":5243},[5222,13369,13370],{"class":5999},"\u002F\u002F БД автоматично виконає: UPDATE posts SET user_id = NULL WHERE user_id = 1;\n",[5197,13372,13373],{},[5132,13374,13375,13376,13378],{},"Приклад 3 — ",[5102,13377,6186],{}," (заборона видалення):",[5214,13380,13382],{"className":5792,"code":13381,"language":5795,"meta":5218,"style":5218},"@Entity('posts')\nexport class Post {\n  @ManyToOne(() => User, (user) => user.posts, {\n    onDelete: 'RESTRICT',\n  })\n  user: User;\n}\n",[5102,13383,13384,13396,13406,13434,13443,13447,13457],{"__ignoreMap":5218},[5222,13385,13386,13388,13390,13392,13394],{"class":5224,"line":5225},[5222,13387,5870],{"class":5487},[5222,13389,5810],{"class":5483},[5222,13391,5513],{"class":5487},[5222,13393,5877],{"class":5839},[5222,13395,5880],{"class":5487},[5222,13397,13398,13400,13402,13404],{"class":5224,"line":5231},[5222,13399,5885],{"class":5802},[5222,13401,5888],{"class":5476},[5222,13403,5892],{"class":5891},[5222,13405,5895],{"class":5487},[5222,13407,13408,13410,13412,13414,13416,13418,13420,13422,13424,13426,13428,13430,13432],{"class":5224,"line":5237},[5222,13409,5900],{"class":5487},[5222,13411,5825],{"class":5483},[5222,13413,6009],{"class":5487},[5222,13415,6012],{"class":5476},[5222,13417,6015],{"class":5809},[5222,13419,6018],{"class":5487},[5222,13421,6021],{"class":5809},[5222,13423,5520],{"class":5487},[5222,13425,6012],{"class":5476},[5222,13427,6028],{"class":5809},[5222,13429,5209],{"class":5487},[5222,13431,6033],{"class":5809},[5222,13433,6036],{"class":5487},[5222,13435,13436,13438,13441],{"class":5224,"line":5243},[5222,13437,6056],{"class":5809},[5222,13439,13440],{"class":5839}," 'RESTRICT'",[5222,13442,5502],{"class":5487},[5222,13444,13445],{"class":5224,"line":5249},[5222,13446,6070],{"class":5487},[5222,13448,13449,13451,13453,13455],{"class":5224,"line":5255},[5222,13450,6076],{"class":5809},[5222,13452,5913],{"class":5487},[5222,13454,5852],{"class":5891},[5222,13456,5843],{"class":5487},[5222,13458,13459],{"class":5224,"line":5261},[5222,13460,6115],{"class":5487},[5214,13462,13464],{"className":5792,"code":13463,"language":5795,"meta":5218,"style":5218},"const user = await userRepository.findOne({ where: { id: 1 } });\nawait userRepository.remove(user);\n\u002F\u002F ❌ QueryFailedError: Cannot delete user because posts reference it\n",[5102,13465,13466,13494,13510],{"__ignoreMap":5218},[5222,13467,13468,13470,13472,13474,13476,13478,13480,13482,13484,13486,13488,13490,13492],{"class":5224,"line":5225},[5222,13469,8450],{"class":5476},[5222,13471,6028],{"class":8453},[5222,13473,8456],{"class":5487},[5222,13475,8459],{"class":5802},[5222,13477,8462],{"class":5809},[5222,13479,5209],{"class":5487},[5222,13481,8467],{"class":5483},[5222,13483,5931],{"class":5487},[5222,13485,8472],{"class":5809},[5222,13487,5806],{"class":5487},[5222,13489,8477],{"class":5809},[5222,13491,8480],{"class":5516},[5222,13493,8483],{"class":5487},[5222,13495,13496,13498,13500,13502,13504,13506,13508],{"class":5224,"line":5231},[5222,13497,8459],{"class":5802},[5222,13499,8462],{"class":5809},[5222,13501,5209],{"class":5487},[5222,13503,5163],{"class":5483},[5222,13505,5513],{"class":5487},[5222,13507,6021],{"class":5809},[5222,13509,5551],{"class":5487},[5222,13511,13512],{"class":5224,"line":5237},[5222,13513,13514],{"class":5999},"\u002F\u002F ❌ QueryFailedError: Cannot delete user because posts reference it\n",[5192,13516,13518],{"id":13517},"soft-delete-з-звязками","Soft delete з зв'язками",[5197,13520,13521,13524,13525,13528,13529,5209],{},[5132,13522,13523],{},"Soft delete"," — це логічне видалення через встановлення timestamp у колонці ",[5102,13526,13527],{},"deleted_at"," замість фізичного видалення запису. TypeORM підтримує soft delete через декоратор ",[5102,13530,13531],{},"@DeleteDateColumn()",[5197,13533,13534],{},[5132,13535,13536],{},"Налаштування soft delete:",[5214,13538,13540],{"className":5792,"code":13539,"filename":6681,"language":5795,"meta":5218,"style":5218},"import { DeleteDateColumn } from 'typeorm';\n\n@Entity('users')\nexport class User {\n  @PrimaryGeneratedColumn()\n  id: number;\n\n  @Column()\n  name: string;\n\n  @DeleteDateColumn()  \u002F\u002F Автоматично встановлюється при softRemove()\n  deletedAt: Date;\n\n  @OneToMany(() => Post, (post) => post.user, {\n    cascade: ['soft-remove'],  \u002F\u002F Каскадний soft delete\n  })\n  posts: Post[];\n}\n",[5102,13541,13542,13559,13563,13575,13585,13593,13603,13607,13615,13625,13629,13641,13652,13656,13684,13698,13702,13712],{"__ignoreMap":5218},[5222,13543,13544,13546,13548,13551,13553,13555,13557],{"class":5224,"line":5225},[5222,13545,5803],{"class":5802},[5222,13547,5806],{"class":5487},[5222,13549,13550],{"class":5809},"DeleteDateColumn",[5222,13552,5833],{"class":5487},[5222,13554,5836],{"class":5802},[5222,13556,5840],{"class":5839},[5222,13558,5843],{"class":5487},[5222,13560,13561],{"class":5224,"line":5231},[5222,13562,5557],{"emptyLinePlaceholder":5556},[5222,13564,13565,13567,13569,13571,13573],{"class":5224,"line":5237},[5222,13566,5870],{"class":5487},[5222,13568,5810],{"class":5483},[5222,13570,5513],{"class":5487},[5222,13572,6748],{"class":5839},[5222,13574,5880],{"class":5487},[5222,13576,13577,13579,13581,13583],{"class":5224,"line":5243},[5222,13578,5885],{"class":5802},[5222,13580,5888],{"class":5476},[5222,13582,6015],{"class":5891},[5222,13584,5895],{"class":5487},[5222,13586,13587,13589,13591],{"class":5224,"line":5249},[5222,13588,5900],{"class":5487},[5222,13590,5815],{"class":5483},[5222,13592,5905],{"class":5487},[5222,13594,13595,13597,13599,13601],{"class":5224,"line":5255},[5222,13596,5910],{"class":5809},[5222,13598,5913],{"class":5487},[5222,13600,5916],{"class":5891},[5222,13602,5843],{"class":5487},[5222,13604,13605],{"class":5224,"line":5261},[5222,13606,5557],{"emptyLinePlaceholder":5556},[5222,13608,13609,13611,13613],{"class":5224,"line":5267},[5222,13610,5900],{"class":5487},[5222,13612,5820],{"class":5483},[5222,13614,5905],{"class":5487},[5222,13616,13617,13619,13621,13623],{"class":5224,"line":5273},[5222,13618,6850],{"class":5809},[5222,13620,5913],{"class":5487},[5222,13622,5958],{"class":5891},[5222,13624,5843],{"class":5487},[5222,13626,13627],{"class":5224,"line":5278},[5222,13628,5557],{"emptyLinePlaceholder":5556},[5222,13630,13631,13633,13635,13638],{"class":5224,"line":5284},[5222,13632,5900],{"class":5487},[5222,13634,13550],{"class":5483},[5222,13636,13637],{"class":5487},"()  ",[5222,13639,13640],{"class":5999},"\u002F\u002F Автоматично встановлюється при softRemove()\n",[5222,13642,13643,13646,13648,13650],{"class":5224,"line":5290},[5222,13644,13645],{"class":5809},"  deletedAt",[5222,13647,5913],{"class":5487},[5222,13649,6107],{"class":5891},[5222,13651,5843],{"class":5487},[5222,13653,13654],{"class":5224,"line":5296},[5222,13655,5557],{"emptyLinePlaceholder":5556},[5222,13657,13658,13660,13662,13664,13666,13668,13670,13672,13674,13676,13678,13680,13682],{"class":5224,"line":5651},[5222,13659,5900],{"class":5487},[5222,13661,6704],{"class":5483},[5222,13663,6009],{"class":5487},[5222,13665,6012],{"class":5476},[5222,13667,5892],{"class":5809},[5222,13669,6018],{"class":5487},[5222,13671,6882],{"class":5809},[5222,13673,5520],{"class":5487},[5222,13675,6012],{"class":5476},[5222,13677,6889],{"class":5809},[5222,13679,5209],{"class":5487},[5222,13681,6021],{"class":5809},[5222,13683,6036],{"class":5487},[5222,13685,13686,13688,13690,13693,13695],{"class":5224,"line":5660},[5222,13687,6900],{"class":5809},[5222,13689,6585],{"class":5487},[5222,13691,13692],{"class":5839},"'soft-remove'",[5222,13694,7262],{"class":5487},[5222,13696,13697],{"class":5999},"\u002F\u002F Каскадний soft delete\n",[5222,13699,13700],{"class":5224,"line":5669},[5222,13701,6070],{"class":5487},[5222,13703,13704,13706,13708,13710],{"class":5224,"line":5675},[5222,13705,6916],{"class":5809},[5222,13707,5913],{"class":5487},[5222,13709,6207],{"class":5891},[5222,13711,6923],{"class":5487},[5222,13713,13714],{"class":5224,"line":6053},[5222,13715,6115],{"class":5487},[5197,13717,13718],{},[5132,13719,8435],{},[5214,13721,13723],{"className":5792,"code":13722,"language":5795,"meta":5218,"style":5218},"const user = await userRepository.findOne({ where: { id: 1 }, relations: ['posts'] });\n\n\u002F\u002F Soft delete (встановлення deletedAt, запис залишається у БД)\nawait userRepository.softRemove(user);\n\u002F\u002F SQL: UPDATE users SET deleted_at = CURRENT_TIMESTAMP WHERE id = 1;\n\u002F\u002F Якщо є cascade soft-remove: UPDATE posts SET deleted_at = CURRENT_TIMESTAMP WHERE user_id = 1;\n",[5102,13724,13725,13761,13765,13770,13787,13792],{"__ignoreMap":5218},[5222,13726,13727,13729,13731,13733,13735,13737,13739,13741,13743,13745,13747,13749,13751,13753,13755,13757,13759],{"class":5224,"line":5225},[5222,13728,8450],{"class":5476},[5222,13730,6028],{"class":8453},[5222,13732,8456],{"class":5487},[5222,13734,8459],{"class":5802},[5222,13736,8462],{"class":5809},[5222,13738,5209],{"class":5487},[5222,13740,8467],{"class":5483},[5222,13742,5931],{"class":5487},[5222,13744,8472],{"class":5809},[5222,13746,5806],{"class":5487},[5222,13748,8477],{"class":5809},[5222,13750,8480],{"class":5516},[5222,13752,11380],{"class":5487},[5222,13754,11383],{"class":5809},[5222,13756,6585],{"class":5487},[5222,13758,5877],{"class":5839},[5222,13760,11390],{"class":5487},[5222,13762,13763],{"class":5224,"line":5231},[5222,13764,5557],{"emptyLinePlaceholder":5556},[5222,13766,13767],{"class":5224,"line":5237},[5222,13768,13769],{"class":5999},"\u002F\u002F Soft delete (встановлення deletedAt, запис залишається у БД)\n",[5222,13771,13772,13774,13776,13778,13781,13783,13785],{"class":5224,"line":5243},[5222,13773,8459],{"class":5802},[5222,13775,8462],{"class":5809},[5222,13777,5209],{"class":5487},[5222,13779,13780],{"class":5483},"softRemove",[5222,13782,5513],{"class":5487},[5222,13784,6021],{"class":5809},[5222,13786,5551],{"class":5487},[5222,13788,13789],{"class":5224,"line":5249},[5222,13790,13791],{"class":5999},"\u002F\u002F SQL: UPDATE users SET deleted_at = CURRENT_TIMESTAMP WHERE id = 1;\n",[5222,13793,13794],{"class":5224,"line":5255},[5222,13795,13796],{"class":5999},"\u002F\u002F Якщо є cascade soft-remove: UPDATE posts SET deleted_at = CURRENT_TIMESTAMP WHERE user_id = 1;\n",[5197,13798,13799],{},[5132,13800,13801],{},"Відновлення soft-deleted запису:",[5214,13803,13805],{"className":5792,"code":13804,"language":5795,"meta":5218,"style":5218},"await userRepository.recover(user);\n\u002F\u002F SQL: UPDATE users SET deleted_at = NULL WHERE id = 1;\n",[5102,13806,13807,13823],{"__ignoreMap":5218},[5222,13808,13809,13811,13813,13815,13817,13819,13821],{"class":5224,"line":5225},[5222,13810,8459],{"class":5802},[5222,13812,8462],{"class":5809},[5222,13814,5209],{"class":5487},[5222,13816,10609],{"class":5483},[5222,13818,5513],{"class":5487},[5222,13820,6021],{"class":5809},[5222,13822,5551],{"class":5487},[5222,13824,13825],{"class":5224,"line":5231},[5222,13826,13827],{"class":5999},"\u002F\u002F SQL: UPDATE users SET deleted_at = NULL WHERE id = 1;\n",[5197,13829,13830],{},[5132,13831,13832],{},"Фільтрація soft-deleted записів:",[5214,13834,13836],{"className":5792,"code":13835,"language":5795,"meta":5218,"style":5218},"\u002F\u002F За замовчуванням find() ігнорує soft-deleted записи\nconst users = await userRepository.find();  \u002F\u002F Лише активні користувачі\n\n\u002F\u002F Включити soft-deleted записи\nconst allUsers = await userRepository.find({ withDeleted: true });\n\n\u002F\u002F Лише soft-deleted записи\nconst deletedUsers = await userRepository\n  .createQueryBuilder('user')\n  .where('user.deletedAt IS NOT NULL')\n  .withDeleted()\n  .getMany();\n",[5102,13837,13838,13843,13864,13868,13873,13900,13904,13909,13922,13934,13947,13956],{"__ignoreMap":5218},[5222,13839,13840],{"class":5224,"line":5225},[5222,13841,13842],{"class":5999},"\u002F\u002F За замовчуванням find() ігнорує soft-deleted записи\n",[5222,13844,13845,13847,13849,13851,13853,13855,13857,13859,13861],{"class":5224,"line":5231},[5222,13846,8450],{"class":5476},[5222,13848,5484],{"class":8453},[5222,13850,8456],{"class":5487},[5222,13852,8459],{"class":5802},[5222,13854,8462],{"class":5809},[5222,13856,5209],{"class":5487},[5222,13858,10091],{"class":5483},[5222,13860,10094],{"class":5487},[5222,13862,13863],{"class":5999},"\u002F\u002F Лише активні користувачі\n",[5222,13865,13866],{"class":5224,"line":5237},[5222,13867,5557],{"emptyLinePlaceholder":5556},[5222,13869,13870],{"class":5224,"line":5243},[5222,13871,13872],{"class":5999},"\u002F\u002F Включити soft-deleted записи\n",[5222,13874,13875,13877,13880,13882,13884,13886,13888,13890,13892,13895,13897],{"class":5224,"line":5249},[5222,13876,8450],{"class":5476},[5222,13878,13879],{"class":8453}," allUsers",[5222,13881,8456],{"class":5487},[5222,13883,8459],{"class":5802},[5222,13885,8462],{"class":5809},[5222,13887,5209],{"class":5487},[5222,13889,10091],{"class":5483},[5222,13891,5931],{"class":5487},[5222,13893,13894],{"class":5809},"withDeleted:",[5222,13896,6531],{"class":5476},[5222,13898,13899],{"class":5487}," });\n",[5222,13901,13902],{"class":5224,"line":5255},[5222,13903,5557],{"emptyLinePlaceholder":5556},[5222,13905,13906],{"class":5224,"line":5261},[5222,13907,13908],{"class":5999},"\u002F\u002F Лише soft-deleted записи\n",[5222,13910,13911,13913,13916,13918,13920],{"class":5224,"line":5267},[5222,13912,8450],{"class":5476},[5222,13914,13915],{"class":8453}," deletedUsers",[5222,13917,8456],{"class":5487},[5222,13919,8459],{"class":5802},[5222,13921,9420],{"class":5809},[5222,13923,13924,13926,13928,13930,13932],{"class":5224,"line":5273},[5222,13925,9425],{"class":5487},[5222,13927,9428],{"class":5483},[5222,13929,5513],{"class":5487},[5222,13931,9433],{"class":5839},[5222,13933,5880],{"class":5487},[5222,13935,13936,13938,13940,13942,13945],{"class":5224,"line":5278},[5222,13937,9425],{"class":5487},[5222,13939,9465],{"class":5483},[5222,13941,5513],{"class":5487},[5222,13943,13944],{"class":5839},"'user.deletedAt IS NOT NULL'",[5222,13946,5880],{"class":5487},[5222,13948,13949,13951,13954],{"class":5224,"line":5284},[5222,13950,9425],{"class":5487},[5222,13952,13953],{"class":5483},"withDeleted",[5222,13955,5905],{"class":5487},[5222,13957,13958,13960,13962],{"class":5224,"line":5290},[5222,13959,9425],{"class":5487},[5222,13961,9517],{"class":5483},[5222,13963,9520],{"class":5487},[6191,13965,13966,13971,13982,13986],{},[5197,13967,13968],{},[5132,13969,13970],{},"Переваги soft delete:",[5684,13972,13973,13976,13979],{},[5095,13974,13975],{},"Можливість відновлення даних без backup.",[5095,13977,13978],{},"Збереження історії для аудиту.",[5095,13980,13981],{},"Запобігання втраті даних при помилковому видаленні.",[5197,13983,13984],{},[5132,13985,8934],{},[5684,13987,13988,13991,13994],{},[5095,13989,13990],{},"Збільшення розміру БД (видалені записи займають місце).",[5095,13992,13993],{},"Необхідність фільтрації у всіх запитах (потенційні помилки, якщо забути).",[5095,13995,13996],{},"Ускладнення унікальних constraints (наприклад, email може бути у видаленого та активного користувача).",[5192,13998,14000],{"id":13999},"orphan-removal-pattern","Orphan removal pattern",[5197,14002,14003,14006],{},[5132,14004,14005],{},"Orphan removal"," — це паттерн, коли дочірні entities автоматично видаляються, якщо вони більше не пов'язані з батьківською entity (стали \"сиротами\").",[5197,14008,14009],{},[5132,14010,10064],{},[5214,14012,14014],{"className":5792,"code":14013,"language":5795,"meta":5218,"style":5218},"const user = await userRepository.findOne({ where: { id: 1 }, relations: ['posts'] });\n\n\u002F\u002F Видаляємо пост з масиву\nuser.posts = user.posts.filter(post => post.id !== 5);\n\nawait userRepository.save(user);\n\u002F\u002F ❓ Що станеться з постом id=5? Він залишиться у БД, але більше не пов'язаний з користувачем\n",[5102,14015,14016,14052,14056,14061,14103,14107,14123],{"__ignoreMap":5218},[5222,14017,14018,14020,14022,14024,14026,14028,14030,14032,14034,14036,14038,14040,14042,14044,14046,14048,14050],{"class":5224,"line":5225},[5222,14019,8450],{"class":5476},[5222,14021,6028],{"class":8453},[5222,14023,8456],{"class":5487},[5222,14025,8459],{"class":5802},[5222,14027,8462],{"class":5809},[5222,14029,5209],{"class":5487},[5222,14031,8467],{"class":5483},[5222,14033,5931],{"class":5487},[5222,14035,8472],{"class":5809},[5222,14037,5806],{"class":5487},[5222,14039,8477],{"class":5809},[5222,14041,8480],{"class":5516},[5222,14043,11380],{"class":5487},[5222,14045,11383],{"class":5809},[5222,14047,6585],{"class":5487},[5222,14049,5877],{"class":5839},[5222,14051,11390],{"class":5487},[5222,14053,14054],{"class":5224,"line":5231},[5222,14055,5557],{"emptyLinePlaceholder":5556},[5222,14057,14058],{"class":5224,"line":5237},[5222,14059,14060],{"class":5999},"\u002F\u002F Видаляємо пост з масиву\n",[5222,14062,14063,14065,14067,14069,14071,14073,14075,14077,14079,14082,14084,14086,14089,14091,14093,14095,14098,14101],{"class":5224,"line":5243},[5222,14064,6021],{"class":5809},[5222,14066,5209],{"class":5487},[5222,14068,6033],{"class":5809},[5222,14070,8456],{"class":5487},[5222,14072,6021],{"class":5809},[5222,14074,5209],{"class":5487},[5222,14076,6033],{"class":5809},[5222,14078,5209],{"class":5487},[5222,14080,14081],{"class":5483},"filter",[5222,14083,5513],{"class":5487},[5222,14085,6882],{"class":5809},[5222,14087,14088],{"class":5476}," =>",[5222,14090,6889],{"class":5809},[5222,14092,5209],{"class":5487},[5222,14094,5348],{"class":5809},[5222,14096,14097],{"class":5487}," !== ",[5222,14099,14100],{"class":5516},"5",[5222,14102,5551],{"class":5487},[5222,14104,14105],{"class":5224,"line":5249},[5222,14106,5557],{"emptyLinePlaceholder":5556},[5222,14108,14109,14111,14113,14115,14117,14119,14121],{"class":5224,"line":5255},[5222,14110,8459],{"class":5802},[5222,14112,8462],{"class":5809},[5222,14114,5209],{"class":5487},[5222,14116,10896],{"class":5483},[5222,14118,5513],{"class":5487},[5222,14120,6021],{"class":5809},[5222,14122,5551],{"class":5487},[5222,14124,14125],{"class":5224,"line":5261},[5222,14126,14127],{"class":5999},"\u002F\u002F ❓ Що станеться з постом id=5? Він залишиться у БД, але більше не пов'язаний з користувачем\n",[5197,14129,14130],{},[5132,14131,14132],{},"Рішення — ручне видалення:",[5214,14134,14136],{"className":5792,"code":14135,"language":5795,"meta":5218,"style":5218},"const user = await userRepository.findOne({ where: { id: 1 }, relations: ['posts'] });\nconst postToRemove = user.posts.find(post => post.id === 5);\n\nuser.posts = user.posts.filter(post => post.id !== 5);\n\nawait postRepository.remove(postToRemove);  \u002F\u002F Явно видалити\nawait userRepository.save(user);\n",[5102,14137,14138,14174,14211,14215,14253,14257,14277],{"__ignoreMap":5218},[5222,14139,14140,14142,14144,14146,14148,14150,14152,14154,14156,14158,14160,14162,14164,14166,14168,14170,14172],{"class":5224,"line":5225},[5222,14141,8450],{"class":5476},[5222,14143,6028],{"class":8453},[5222,14145,8456],{"class":5487},[5222,14147,8459],{"class":5802},[5222,14149,8462],{"class":5809},[5222,14151,5209],{"class":5487},[5222,14153,8467],{"class":5483},[5222,14155,5931],{"class":5487},[5222,14157,8472],{"class":5809},[5222,14159,5806],{"class":5487},[5222,14161,8477],{"class":5809},[5222,14163,8480],{"class":5516},[5222,14165,11380],{"class":5487},[5222,14167,11383],{"class":5809},[5222,14169,6585],{"class":5487},[5222,14171,5877],{"class":5839},[5222,14173,11390],{"class":5487},[5222,14175,14176,14178,14181,14183,14185,14187,14189,14191,14193,14195,14197,14199,14201,14203,14205,14207,14209],{"class":5224,"line":5231},[5222,14177,8450],{"class":5476},[5222,14179,14180],{"class":8453}," postToRemove",[5222,14182,8456],{"class":5487},[5222,14184,6021],{"class":5809},[5222,14186,5209],{"class":5487},[5222,14188,6033],{"class":5809},[5222,14190,5209],{"class":5487},[5222,14192,10091],{"class":5483},[5222,14194,5513],{"class":5487},[5222,14196,6882],{"class":5809},[5222,14198,14088],{"class":5476},[5222,14200,6889],{"class":5809},[5222,14202,5209],{"class":5487},[5222,14204,5348],{"class":5809},[5222,14206,12812],{"class":5487},[5222,14208,14100],{"class":5516},[5222,14210,5551],{"class":5487},[5222,14212,14213],{"class":5224,"line":5237},[5222,14214,5557],{"emptyLinePlaceholder":5556},[5222,14216,14217,14219,14221,14223,14225,14227,14229,14231,14233,14235,14237,14239,14241,14243,14245,14247,14249,14251],{"class":5224,"line":5243},[5222,14218,6021],{"class":5809},[5222,14220,5209],{"class":5487},[5222,14222,6033],{"class":5809},[5222,14224,8456],{"class":5487},[5222,14226,6021],{"class":5809},[5222,14228,5209],{"class":5487},[5222,14230,6033],{"class":5809},[5222,14232,5209],{"class":5487},[5222,14234,14081],{"class":5483},[5222,14236,5513],{"class":5487},[5222,14238,6882],{"class":5809},[5222,14240,14088],{"class":5476},[5222,14242,6889],{"class":5809},[5222,14244,5209],{"class":5487},[5222,14246,5348],{"class":5809},[5222,14248,14097],{"class":5487},[5222,14250,14100],{"class":5516},[5222,14252,5551],{"class":5487},[5222,14254,14255],{"class":5224,"line":5249},[5222,14256,5557],{"emptyLinePlaceholder":5556},[5222,14258,14259,14261,14263,14265,14267,14269,14272,14274],{"class":5224,"line":5255},[5222,14260,8459],{"class":5802},[5222,14262,10134],{"class":5809},[5222,14264,5209],{"class":5487},[5222,14266,5163],{"class":5483},[5222,14268,5513],{"class":5487},[5222,14270,14271],{"class":5809},"postToRemove",[5222,14273,8504],{"class":5487},[5222,14275,14276],{"class":5999},"\u002F\u002F Явно видалити\n",[5222,14278,14279,14281,14283,14285,14287,14289,14291],{"class":5224,"line":5261},[5222,14280,8459],{"class":5802},[5222,14282,8462],{"class":5809},[5222,14284,5209],{"class":5487},[5222,14286,10896],{"class":5483},[5222,14288,5513],{"class":5487},[5222,14290,6021],{"class":5809},[5222,14292,5551],{"class":5487},[5353,14294,14295,14298,14300,14301,14304,14305,14307],{},[5132,14296,14297],{},"TypeORM не підтримує автоматичний orphan removal:",[5359,14299],{},"\nНа відміну від Hibernate (Java) або Doctrine (PHP), TypeORM не має опції ",[5102,14302,14303],{},"orphanRemoval: true",". Ви маєте вручну обробляти видалення \"осиротілих\" записів або використовувати ",[5102,14306,6179],{}," на рівні БД.",[5192,14309,14311],{"id":14310},"ручне-видалення-vs-cascade","Ручне видалення vs cascade",[5197,14313,14314],{},[5132,14315,14316],{},"Ручне видалення (явний контроль):",[5214,14318,14320],{"className":5792,"code":14319,"language":5795,"meta":5218,"style":5218},"\u002F\u002F Спочатку видалити всі пости\nawait postRepository.delete({ userId: 1 });\n\n\u002F\u002F Потім видалити користувача\nawait userRepository.delete(1);\n",[5102,14321,14322,14327,14345,14349,14354],{"__ignoreMap":5218},[5222,14323,14324],{"class":5224,"line":5225},[5222,14325,14326],{"class":5999},"\u002F\u002F Спочатку видалити всі пости\n",[5222,14328,14329,14331,14333,14335,14337,14339,14341,14343],{"class":5224,"line":5231},[5222,14330,8459],{"class":5802},[5222,14332,10134],{"class":5809},[5222,14334,5209],{"class":5487},[5222,14336,6481],{"class":5483},[5222,14338,5931],{"class":5487},[5222,14340,10147],{"class":5809},[5222,14342,8480],{"class":5516},[5222,14344,13899],{"class":5487},[5222,14346,14347],{"class":5224,"line":5237},[5222,14348,5557],{"emptyLinePlaceholder":5556},[5222,14350,14351],{"class":5224,"line":5243},[5222,14352,14353],{"class":5999},"\u002F\u002F Потім видалити користувача\n",[5222,14355,14356,14358,14360,14362,14364,14366,14368],{"class":5224,"line":5249},[5222,14357,8459],{"class":5802},[5222,14359,8462],{"class":5809},[5222,14361,5209],{"class":5487},[5222,14363,6481],{"class":5483},[5222,14365,5513],{"class":5487},[5222,14367,8573],{"class":5516},[5222,14369,5551],{"class":5487},[5197,14371,14372],{},[5132,14373,8920],{},[5092,14375,14376,14379,14382],{},[5095,14377,14378],{},"Повний контроль над порядком операцій.",[5095,14380,14381],{},"Можливість додати бізнес-логіку (наприклад, логування, відправка email).",[5095,14383,14384],{},"Можливість використати bulk operations для продуктивності.",[5197,14386,14387],{},[5132,14388,14389],{},"Каскадне видалення (зручність):",[5214,14391,14393],{"className":5792,"code":14392,"language":5795,"meta":5218,"style":5218},"\u002F\u002F Одна операція видаляє все (якщо налаштовано cascade або onDelete: CASCADE)\nawait userRepository.remove(user);\n",[5102,14394,14395,14400],{"__ignoreMap":5218},[5222,14396,14397],{"class":5224,"line":5225},[5222,14398,14399],{"class":5999},"\u002F\u002F Одна операція видаляє все (якщо налаштовано cascade або onDelete: CASCADE)\n",[5222,14401,14402,14404,14406,14408,14410,14412,14414],{"class":5224,"line":5231},[5222,14403,8459],{"class":5802},[5222,14405,8462],{"class":5809},[5222,14407,5209],{"class":5487},[5222,14409,5163],{"class":5483},[5222,14411,5513],{"class":5487},[5222,14413,6021],{"class":5809},[5222,14415,5551],{"class":5487},[5197,14417,14418],{},[5132,14419,8920],{},[5092,14421,14422,14425,14428],{},[5095,14423,14424],{},"Простота коду.",[5095,14426,14427],{},"Атомарність (всі операції у одній транзакції).",[5095,14429,14430],{},"Автоматична референційна цілісність.",[5197,14432,14433],{},[5132,14434,9035],{},[6191,14436,14437,14438,14443],{},"Для production систем використовуйте ",[5132,14439,14440,14442],{},[5102,14441,6179],{}," на рівні БД"," замість TypeORM cascade operations. Це швидше, безпечніше та не залежить від ORM. Додайте логування та аудит через БД тригери або event listeners у TypeORM.",[5184,14445],{},[5187,14447,14449],{"id":14448},"практичні-приклади","Практичні приклади",[5192,14451,14453],{"id":14452},"user-posts-звязок-повна-реалізація","User → Posts зв'язок (повна реалізація)",[5197,14455,14456],{},[5132,14457,14458],{},"Крок 1 — визначення entities:",[5214,14460,14462],{"className":5792,"code":14461,"filename":6681,"language":5795,"meta":5218,"style":5218},"import { Entity, PrimaryGeneratedColumn, Column, OneToMany, CreateDateColumn } from 'typeorm';\nimport { Post } from '.\u002Fpost.entity';\n\n@Entity('users')\nexport class User {\n  @PrimaryGeneratedColumn()\n  id: number;\n\n  @Column({ type: 'varchar', length: 255, unique: true })\n  email: string;\n\n  @Column({ type: 'varchar', length: 100 })\n  name: string;\n\n  @Column({ type: 'varchar', length: 255 })\n  passwordHash: string;\n\n  @OneToMany(() => Post, (post) => post.author, {\n    cascade: ['insert', 'update'],\n  })\n  posts: Post[];\n\n  @CreateDateColumn()\n  createdAt: Date;\n}\n",[5102,14463,14464,14496,14512,14516,14528,14538,14546,14556,14560,14586,14596,14600,14620,14630,14634,14654,14665,14669,14697,14711,14715,14725,14729,14737,14747],{"__ignoreMap":5218},[5222,14465,14466,14468,14470,14472,14474,14476,14478,14480,14482,14484,14486,14488,14490,14492,14494],{"class":5224,"line":5225},[5222,14467,5803],{"class":5802},[5222,14469,5806],{"class":5487},[5222,14471,5810],{"class":5809},[5222,14473,5157],{"class":5487},[5222,14475,5815],{"class":5809},[5222,14477,5157],{"class":5487},[5222,14479,5820],{"class":5809},[5222,14481,5157],{"class":5487},[5222,14483,6704],{"class":5809},[5222,14485,5157],{"class":5487},[5222,14487,5830],{"class":5809},[5222,14489,5833],{"class":5487},[5222,14491,5836],{"class":5802},[5222,14493,5840],{"class":5839},[5222,14495,5843],{"class":5487},[5222,14497,14498,14500,14502,14504,14506,14508,14510],{"class":5224,"line":5231},[5222,14499,5803],{"class":5802},[5222,14501,5806],{"class":5487},[5222,14503,6207],{"class":5809},[5222,14505,5833],{"class":5487},[5222,14507,5836],{"class":5802},[5222,14509,6731],{"class":5839},[5222,14511,5843],{"class":5487},[5222,14513,14514],{"class":5224,"line":5237},[5222,14515,5557],{"emptyLinePlaceholder":5556},[5222,14517,14518,14520,14522,14524,14526],{"class":5224,"line":5243},[5222,14519,5870],{"class":5487},[5222,14521,5810],{"class":5483},[5222,14523,5513],{"class":5487},[5222,14525,6748],{"class":5839},[5222,14527,5880],{"class":5487},[5222,14529,14530,14532,14534,14536],{"class":5224,"line":5249},[5222,14531,5885],{"class":5802},[5222,14533,5888],{"class":5476},[5222,14535,6015],{"class":5891},[5222,14537,5895],{"class":5487},[5222,14539,14540,14542,14544],{"class":5224,"line":5255},[5222,14541,5900],{"class":5487},[5222,14543,5815],{"class":5483},[5222,14545,5905],{"class":5487},[5222,14547,14548,14550,14552,14554],{"class":5224,"line":5261},[5222,14549,5910],{"class":5809},[5222,14551,5913],{"class":5487},[5222,14553,5916],{"class":5891},[5222,14555,5843],{"class":5487},[5222,14557,14558],{"class":5224,"line":5267},[5222,14559,5557],{"emptyLinePlaceholder":5556},[5222,14561,14562,14564,14566,14568,14570,14572,14574,14576,14578,14580,14582,14584],{"class":5224,"line":5273},[5222,14563,5900],{"class":5487},[5222,14565,5820],{"class":5483},[5222,14567,5931],{"class":5487},[5222,14569,5934],{"class":5809},[5222,14571,5937],{"class":5839},[5222,14573,5157],{"class":5487},[5222,14575,5942],{"class":5809},[5222,14577,5945],{"class":5516},[5222,14579,5157],{"class":5487},[5222,14581,6805],{"class":5809},[5222,14583,6531],{"class":5476},[5222,14585,5948],{"class":5487},[5222,14587,14588,14590,14592,14594],{"class":5224,"line":5278},[5222,14589,6814],{"class":5809},[5222,14591,5913],{"class":5487},[5222,14593,5958],{"class":5891},[5222,14595,5843],{"class":5487},[5222,14597,14598],{"class":5224,"line":5284},[5222,14599,5557],{"emptyLinePlaceholder":5556},[5222,14601,14602,14604,14606,14608,14610,14612,14614,14616,14618],{"class":5224,"line":5290},[5222,14603,5900],{"class":5487},[5222,14605,5820],{"class":5483},[5222,14607,5931],{"class":5487},[5222,14609,5934],{"class":5809},[5222,14611,5937],{"class":5839},[5222,14613,5157],{"class":5487},[5222,14615,5942],{"class":5809},[5222,14617,6843],{"class":5516},[5222,14619,5948],{"class":5487},[5222,14621,14622,14624,14626,14628],{"class":5224,"line":5296},[5222,14623,6850],{"class":5809},[5222,14625,5913],{"class":5487},[5222,14627,5958],{"class":5891},[5222,14629,5843],{"class":5487},[5222,14631,14632],{"class":5224,"line":5651},[5222,14633,5557],{"emptyLinePlaceholder":5556},[5222,14635,14636,14638,14640,14642,14644,14646,14648,14650,14652],{"class":5224,"line":5660},[5222,14637,5900],{"class":5487},[5222,14639,5820],{"class":5483},[5222,14641,5931],{"class":5487},[5222,14643,5934],{"class":5809},[5222,14645,5937],{"class":5839},[5222,14647,5157],{"class":5487},[5222,14649,5942],{"class":5809},[5222,14651,5945],{"class":5516},[5222,14653,5948],{"class":5487},[5222,14655,14656,14659,14661,14663],{"class":5224,"line":5669},[5222,14657,14658],{"class":5809},"  passwordHash",[5222,14660,5913],{"class":5487},[5222,14662,5958],{"class":5891},[5222,14664,5843],{"class":5487},[5222,14666,14667],{"class":5224,"line":5675},[5222,14668,5557],{"emptyLinePlaceholder":5556},[5222,14670,14671,14673,14675,14677,14679,14681,14683,14685,14687,14689,14691,14693,14695],{"class":5224,"line":6053},[5222,14672,5900],{"class":5487},[5222,14674,6704],{"class":5483},[5222,14676,6009],{"class":5487},[5222,14678,6012],{"class":5476},[5222,14680,5892],{"class":5809},[5222,14682,6018],{"class":5487},[5222,14684,6882],{"class":5809},[5222,14686,5520],{"class":5487},[5222,14688,6012],{"class":5476},[5222,14690,6889],{"class":5809},[5222,14692,5209],{"class":5487},[5222,14694,9718],{"class":5809},[5222,14696,6036],{"class":5487},[5222,14698,14699,14701,14703,14705,14707,14709],{"class":5224,"line":6067},[5222,14700,6900],{"class":5809},[5222,14702,6585],{"class":5487},[5222,14704,6588],{"class":5839},[5222,14706,5157],{"class":5487},[5222,14708,7259],{"class":5839},[5222,14710,9985],{"class":5487},[5222,14712,14713],{"class":5224,"line":6073},[5222,14714,6070],{"class":5487},[5222,14716,14717,14719,14721,14723],{"class":5224,"line":6085},[5222,14718,6916],{"class":5809},[5222,14720,5913],{"class":5487},[5222,14722,6207],{"class":5891},[5222,14724,6923],{"class":5487},[5222,14726,14727],{"class":5224,"line":6090},[5222,14728,5557],{"emptyLinePlaceholder":5556},[5222,14730,14731,14733,14735],{"class":5224,"line":6099},[5222,14732,5900],{"class":5487},[5222,14734,5830],{"class":5483},[5222,14736,5905],{"class":5487},[5222,14738,14739,14741,14743,14745],{"class":5224,"line":6112},[5222,14740,6102],{"class":5809},[5222,14742,5913],{"class":5487},[5222,14744,6107],{"class":5891},[5222,14746,5843],{"class":5487},[5222,14748,14750],{"class":5224,"line":14749},25,[5222,14751,6115],{"class":5487},[5214,14753,14755],{"className":5792,"code":14754,"filename":5794,"language":5795,"meta":5218,"style":5218},"import { Entity, PrimaryGeneratedColumn, Column, ManyToOne, JoinColumn, CreateDateColumn, UpdateDateColumn } from 'typeorm';\nimport { User } from '.\u002Fuser.entity';\n\n@Entity('posts')\nexport class Post {\n  @PrimaryGeneratedColumn()\n  id: number;\n\n  @Column({ type: 'varchar', length: 255 })\n  title: string;\n\n  @Column({ type: 'text' })\n  content: string;\n\n  @Column({ type: 'varchar', length: 50, default: 'draft' })\n  status: string;  \u002F\u002F draft, published, archived\n\n  @ManyToOne(() => User, (user) => user.posts, {\n    nullable: false,\n    onDelete: 'CASCADE',\n  })\n  @JoinColumn({ name: 'author_id' })\n  author: User;\n\n  @CreateDateColumn()\n  createdAt: Date;\n\n  @UpdateDateColumn()\n  updatedAt: Date;\n}\n",[5102,14756,14757,14798,14814,14818,14830,14840,14848,14858,14862,14882,14892,14896,14910,14920,14924,14953,14967,14971,14999,15007,15015,15019,15033,15043,15047,15055,15066,15071,15080,15092],{"__ignoreMap":5218},[5222,14758,14759,14761,14763,14765,14767,14769,14771,14773,14775,14777,14779,14781,14783,14785,14787,14790,14792,14794,14796],{"class":5224,"line":5225},[5222,14760,5803],{"class":5802},[5222,14762,5806],{"class":5487},[5222,14764,5810],{"class":5809},[5222,14766,5157],{"class":5487},[5222,14768,5815],{"class":5809},[5222,14770,5157],{"class":5487},[5222,14772,5820],{"class":5809},[5222,14774,5157],{"class":5487},[5222,14776,5825],{"class":5809},[5222,14778,5157],{"class":5487},[5222,14780,7523],{"class":5809},[5222,14782,5157],{"class":5487},[5222,14784,5830],{"class":5809},[5222,14786,5157],{"class":5487},[5222,14788,14789],{"class":5809},"UpdateDateColumn",[5222,14791,5833],{"class":5487},[5222,14793,5836],{"class":5802},[5222,14795,5840],{"class":5839},[5222,14797,5843],{"class":5487},[5222,14799,14800,14802,14804,14806,14808,14810,14812],{"class":5224,"line":5231},[5222,14801,5803],{"class":5802},[5222,14803,5806],{"class":5487},[5222,14805,5852],{"class":5809},[5222,14807,5833],{"class":5487},[5222,14809,5836],{"class":5802},[5222,14811,5859],{"class":5839},[5222,14813,5843],{"class":5487},[5222,14815,14816],{"class":5224,"line":5237},[5222,14817,5557],{"emptyLinePlaceholder":5556},[5222,14819,14820,14822,14824,14826,14828],{"class":5224,"line":5243},[5222,14821,5870],{"class":5487},[5222,14823,5810],{"class":5483},[5222,14825,5513],{"class":5487},[5222,14827,5877],{"class":5839},[5222,14829,5880],{"class":5487},[5222,14831,14832,14834,14836,14838],{"class":5224,"line":5249},[5222,14833,5885],{"class":5802},[5222,14835,5888],{"class":5476},[5222,14837,5892],{"class":5891},[5222,14839,5895],{"class":5487},[5222,14841,14842,14844,14846],{"class":5224,"line":5255},[5222,14843,5900],{"class":5487},[5222,14845,5815],{"class":5483},[5222,14847,5905],{"class":5487},[5222,14849,14850,14852,14854,14856],{"class":5224,"line":5261},[5222,14851,5910],{"class":5809},[5222,14853,5913],{"class":5487},[5222,14855,5916],{"class":5891},[5222,14857,5843],{"class":5487},[5222,14859,14860],{"class":5224,"line":5267},[5222,14861,5557],{"emptyLinePlaceholder":5556},[5222,14863,14864,14866,14868,14870,14872,14874,14876,14878,14880],{"class":5224,"line":5273},[5222,14865,5900],{"class":5487},[5222,14867,5820],{"class":5483},[5222,14869,5931],{"class":5487},[5222,14871,5934],{"class":5809},[5222,14873,5937],{"class":5839},[5222,14875,5157],{"class":5487},[5222,14877,5942],{"class":5809},[5222,14879,5945],{"class":5516},[5222,14881,5948],{"class":5487},[5222,14883,14884,14886,14888,14890],{"class":5224,"line":5278},[5222,14885,5953],{"class":5809},[5222,14887,5913],{"class":5487},[5222,14889,5958],{"class":5891},[5222,14891,5843],{"class":5487},[5222,14893,14894],{"class":5224,"line":5284},[5222,14895,5557],{"emptyLinePlaceholder":5556},[5222,14897,14898,14900,14902,14904,14906,14908],{"class":5224,"line":5290},[5222,14899,5900],{"class":5487},[5222,14901,5820],{"class":5483},[5222,14903,5931],{"class":5487},[5222,14905,5934],{"class":5809},[5222,14907,5977],{"class":5839},[5222,14909,5948],{"class":5487},[5222,14911,14912,14914,14916,14918],{"class":5224,"line":5296},[5222,14913,5984],{"class":5809},[5222,14915,5913],{"class":5487},[5222,14917,5958],{"class":5891},[5222,14919,5843],{"class":5487},[5222,14921,14922],{"class":5224,"line":5651},[5222,14923,5557],{"emptyLinePlaceholder":5556},[5222,14925,14926,14928,14930,14932,14934,14936,14938,14940,14943,14945,14948,14951],{"class":5224,"line":5660},[5222,14927,5900],{"class":5487},[5222,14929,5820],{"class":5483},[5222,14931,5931],{"class":5487},[5222,14933,5934],{"class":5809},[5222,14935,5937],{"class":5839},[5222,14937,5157],{"class":5487},[5222,14939,5942],{"class":5809},[5222,14941,14942],{"class":5516}," 50",[5222,14944,5157],{"class":5487},[5222,14946,14947],{"class":5809},"default:",[5222,14949,14950],{"class":5839}," 'draft'",[5222,14952,5948],{"class":5487},[5222,14954,14955,14958,14960,14962,14964],{"class":5224,"line":5669},[5222,14956,14957],{"class":5809},"  status",[5222,14959,5913],{"class":5487},[5222,14961,5958],{"class":5891},[5222,14963,7376],{"class":5487},[5222,14965,14966],{"class":5999},"\u002F\u002F draft, published, archived\n",[5222,14968,14969],{"class":5224,"line":5675},[5222,14970,5557],{"emptyLinePlaceholder":5556},[5222,14972,14973,14975,14977,14979,14981,14983,14985,14987,14989,14991,14993,14995,14997],{"class":5224,"line":6053},[5222,14974,5900],{"class":5487},[5222,14976,5825],{"class":5483},[5222,14978,6009],{"class":5487},[5222,14980,6012],{"class":5476},[5222,14982,6015],{"class":5809},[5222,14984,6018],{"class":5487},[5222,14986,6021],{"class":5809},[5222,14988,5520],{"class":5487},[5222,14990,6012],{"class":5476},[5222,14992,6028],{"class":5809},[5222,14994,5209],{"class":5487},[5222,14996,6033],{"class":5809},[5222,14998,6036],{"class":5487},[5222,15000,15001,15003,15005],{"class":5224,"line":6067},[5222,15002,6041],{"class":5809},[5222,15004,6044],{"class":5476},[5222,15006,5502],{"class":5487},[5222,15008,15009,15011,15013],{"class":5224,"line":6073},[5222,15010,6056],{"class":5809},[5222,15012,6059],{"class":5839},[5222,15014,5502],{"class":5487},[5222,15016,15017],{"class":5224,"line":6085},[5222,15018,6070],{"class":5487},[5222,15020,15021,15023,15025,15027,15029,15031],{"class":5224,"line":6090},[5222,15022,5900],{"class":5487},[5222,15024,7523],{"class":5483},[5222,15026,5931],{"class":5487},[5222,15028,7574],{"class":5809},[5222,15030,7577],{"class":5839},[5222,15032,5948],{"class":5487},[5222,15034,15035,15037,15039,15041],{"class":5224,"line":6099},[5222,15036,7433],{"class":5809},[5222,15038,5913],{"class":5487},[5222,15040,5852],{"class":5891},[5222,15042,5843],{"class":5487},[5222,15044,15045],{"class":5224,"line":6112},[5222,15046,5557],{"emptyLinePlaceholder":5556},[5222,15048,15049,15051,15053],{"class":5224,"line":14749},[5222,15050,5900],{"class":5487},[5222,15052,5830],{"class":5483},[5222,15054,5905],{"class":5487},[5222,15056,15058,15060,15062,15064],{"class":5224,"line":15057},26,[5222,15059,6102],{"class":5809},[5222,15061,5913],{"class":5487},[5222,15063,6107],{"class":5891},[5222,15065,5843],{"class":5487},[5222,15067,15069],{"class":5224,"line":15068},27,[5222,15070,5557],{"emptyLinePlaceholder":5556},[5222,15072,15074,15076,15078],{"class":5224,"line":15073},28,[5222,15075,5900],{"class":5487},[5222,15077,14789],{"class":5483},[5222,15079,5905],{"class":5487},[5222,15081,15083,15086,15088,15090],{"class":5224,"line":15082},29,[5222,15084,15085],{"class":5809},"  updatedAt",[5222,15087,5913],{"class":5487},[5222,15089,6107],{"class":5891},[5222,15091,5843],{"class":5487},[5222,15093,15095],{"class":5224,"line":15094},30,[5222,15096,6115],{"class":5487},[5197,15098,15099],{},[5132,15100,15101],{},"Крок 2 — NestJS сервіс для CRUD операцій:",[5214,15103,15106],{"className":5792,"code":15104,"filename":15105,"language":5795,"meta":5218,"style":5218},"import { Injectable, NotFoundException, BadRequestException } from '@nestjs\u002Fcommon';\nimport { InjectRepository } from '@nestjs\u002Ftypeorm';\nimport { Repository } from 'typeorm';\nimport { Post } from '..\u002Fentities\u002Fpost.entity';\nimport { User } from '..\u002Fentities\u002Fuser.entity';\n\n@Injectable()\nexport class PostsService {\n  constructor(\n    @InjectRepository(Post)\n    private readonly postRepository: Repository\u003CPost>,\n    @InjectRepository(User)\n    private readonly userRepository: Repository\u003CUser>,\n  ) {}\n\n  \u002F\u002F Створення поста для користувача\n  async createPost(userId: number, dto: { title: string; content: string }): Promise\u003CPost> {\n    \u002F\u002F Перевірка існування користувача (опціонально — можна використати stub)\n    const userExists = await this.userRepository.existsBy({ id: userId });\n    if (!userExists) {\n      throw new NotFoundException(`Користувача з ID ${userId} не знайдено`);\n    }\n\n    const post = this.postRepository.create({\n      title: dto.title,\n      content: dto.content,\n      author: { id: userId } as User,  \u002F\u002F Stub для оптимізації\n      status: 'draft',\n    });\n\n    return this.postRepository.save(post);\n  }\n\n  \u002F\u002F Отримання всіх постів користувача\n  async getUserPosts(userId: number): Promise\u003CPost[]> {\n    return this.postRepository.find({\n      where: { author: { id: userId } },\n      order: { createdAt: 'DESC' },\n    });\n  }\n\n  \u002F\u002F Отримання поста з автором (уникнення N+1)\n  async getPostWithAuthor(postId: number): Promise\u003CPost> {\n    const post = await this.postRepository.findOne({\n      where: { id: postId },\n      relations: ['author'],  \u002F\u002F JOIN з users\n    });\n\n    if (!post) {\n      throw new NotFoundException(`Пост з ID ${postId} не знайдено`);\n    }\n\n    return post;\n  }\n\n  \u002F\u002F Публікація поста\n  async publishPost(postId: number, userId: number): Promise\u003CPost> {\n    const post = await this.postRepository.findOne({\n      where: { id: postId, author: { id: userId } },\n    });\n\n    if (!post) {\n      throw new NotFoundException('Пост не знайдено або ви не є автором');\n    }\n\n    post.status = 'published';\n    return this.postRepository.save(post);\n  }\n\n  \u002F\u002F Видалення поста (тільки автор)\n  async deletePost(postId: number, userId: number): Promise\u003Cvoid> {\n    const result = await this.postRepository.delete({\n      id: postId,\n      author: { id: userId },\n    });\n\n    if (result.affected === 0) {\n      throw new NotFoundException('Пост не знайдено або ви не є автором');\n    }\n  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publishPost",[5222,15850,5513],{"class":5487},[5222,15852,15693],{"class":5809},[5222,15854,5913],{"class":5487},[5222,15856,5916],{"class":5891},[5222,15858,5157],{"class":5487},[5222,15860,6226],{"class":5809},[5222,15862,5913],{"class":5487},[5222,15864,5916],{"class":5891},[5222,15866,15597],{"class":5487},[5222,15868,8710],{"class":5891},[5222,15870,8713],{"class":5487},[5222,15872,6207],{"class":5891},[5222,15874,15364],{"class":5487},[5222,15876,15878,15880,15882,15884,15886,15888,15890,15892,15894,15896],{"class":5224,"line":15877},58,[5222,15879,15374],{"class":5476},[5222,15881,6889],{"class":8453},[5222,15883,8456],{"class":5487},[5222,15885,8459],{"class":5802},[5222,15887,15384],{"class":5476},[5222,15889,5209],{"class":5487},[5222,15891,15466],{"class":5809},[5222,15893,5209],{"class":5487},[5222,15895,8467],{"class":5483},[5222,15897,7726],{"class":5487},[5222,15899,15901,15903,15905,15907,15909,15911,15913,15915,15917,15919],{"class":5224,"line":15900},59,[5222,15902,15629],{"class":5809},[5222,15904,5806],{"class":5487},[5222,15906,8477],{"class":5809},[5222,15908,15742],{"class":5809},[5222,15910,5157],{"class":5487},[5222,15912,15634],{"class":5809},[5222,15914,5806],{"class":5487},[5222,15916,8477],{"class":5809},[5222,15918,15401],{"class":5809},[5222,15920,15643],{"class":5487},[5222,15922,15924],{"class":5224,"line":15923},60,[5222,15925,15536],{"class":5487},[5222,15927,15929],{"class":5224,"line":15928},61,[5222,15930,5557],{"emptyLinePlaceholder":5556},[5222,15932,15934,15936,15938,15940],{"class":5224,"line":15933},62,[5222,15935,15408],{"class":5802},[5222,15937,15411],{"class":5487},[5222,15939,6882],{"class":5809},[5222,15941,10120],{"class":5487},[5222,15943,15945,15947,15949,15951,15953,15956],{"class":5224,"line":15944},63,[5222,15946,15421],{"class":5802},[5222,15948,9499],{"class":5476},[5222,15950,15426],{"class":5483},[5222,15952,5513],{"class":5487},[5222,15954,15955],{"class":5839},"'Пост не знайдено або ви не є автором'",[5222,15957,5551],{"class":5487},[5222,15959,15961],{"class":5224,"line":15960},64,[5222,15962,5264],{"class":5487},[5222,15964,15966],{"class":5224,"line":15965},65,[5222,15967,5557],{"emptyLinePlaceholder":5556},[5222,15969,15971,15974,15976,15979,15981,15984],{"class":5224,"line":15970},66,[5222,15972,15973],{"class":5809},"    post",[5222,15975,5209],{"class":5487},[5222,15977,15978],{"class":5809},"status",[5222,15980,8456],{"class":5487},[5222,15982,15983],{"class":5839},"'published'",[5222,15985,5843],{"class":5487},[5222,15987,15989,15991,15993,15995,15997,15999,16001,16003,16005],{"class":5224,"line":15988},67,[5222,15990,15546],{"class":5802},[5222,15992,15384],{"class":5476},[5222,15994,5209],{"class":5487},[5222,15996,15466],{"class":5809},[5222,15998,5209],{"class":5487},[5222,16000,10896],{"class":5483},[5222,16002,5513],{"class":5487},[5222,16004,6882],{"class":5809},[5222,16006,5551],{"class":5487},[5222,16008,16010],{"class":5224,"line":16009},68,[5222,16011,12843],{"class":5487},[5222,16013,16015],{"class":5224,"line":16014},69,[5222,16016,5557],{"emptyLinePlaceholder":5556},[5222,16018,16020],{"class":5224,"line":16019},70,[5222,16021,16022],{"class":5999},"  \u002F\u002F Видалення поста (тільки автор)\n",[5222,16024,16026,16028,16031,16033,16035,16037,16039,16041,16043,16045,16047,16049,16051,16053,16056],{"class":5224,"line":16025},71,[5222,16027,15318],{"class":5476},[5222,16029,16030],{"class":5483}," deletePost",[5222,16032,5513],{"class":5487},[5222,16034,15693],{"class":5809},[5222,16036,5913],{"class":5487},[5222,16038,5916],{"class":5891},[5222,16040,5157],{"class":5487},[5222,16042,6226],{"class":5809},[5222,16044,5913],{"class":5487},[5222,16046,5916],{"class":5891},[5222,16048,15597],{"class":5487},[5222,16050,8710],{"class":5891},[5222,16052,8713],{"class":5487},[5222,16054,16055],{"class":5891},"void",[5222,16057,15364],{"class":5487},[5222,16059,16061,16063,16066,16068,16070,16072,16074,16076,16078,16080],{"class":5224,"line":16060},72,[5222,16062,15374],{"class":5476},[5222,16064,16065],{"class":8453}," result",[5222,16067,8456],{"class":5487},[5222,16069,8459],{"class":5802},[5222,16071,15384],{"class":5476},[5222,16073,5209],{"class":5487},[5222,16075,15466],{"class":5809},[5222,16077,5209],{"class":5487},[5222,16079,6481],{"class":5483},[5222,16081,7726],{"class":5487},[5222,16083,16085,16088,16090],{"class":5224,"line":16084},73,[5222,16086,16087],{"class":5809},"      id:",[5222,16089,15742],{"class":5809},[5222,16091,5502],{"class":5487},[5222,16093,16095,16097,16099,16101,16103],{"class":5224,"line":16094},74,[5222,16096,15505],{"class":5809},[5222,16098,5806],{"class":5487},[5222,16100,8477],{"class":5809},[5222,16102,15401],{"class":5809},[5222,16104,9123],{"class":5487},[5222,16106,16108],{"class":5224,"line":16107},75,[5222,16109,15536],{"class":5487},[5222,16111,16113],{"class":5224,"line":16112},76,[5222,16114,5557],{"emptyLinePlaceholder":5556},[5222,16116,16118,16120,16122,16125,16127,16130,16132,16134],{"class":5224,"line":16117},77,[5222,16119,15408],{"class":5802},[5222,16121,5341],{"class":5487},[5222,16123,16124],{"class":5809},"result",[5222,16126,5209],{"class":5487},[5222,16128,16129],{"class":5809},"affected",[5222,16131,12812],{"class":5487},[5222,16133,9324],{"class":5516},[5222,16135,10120],{"class":5487},[5222,16137,16139,16141,16143,16145,16147,16149],{"class":5224,"line":16138},78,[5222,16140,15421],{"class":5802},[5222,16142,9499],{"class":5476},[5222,16144,15426],{"class":5483},[5222,16146,5513],{"class":5487},[5222,16148,15955],{"class":5839},[5222,16150,5551],{"class":5487},[5222,16152,16154],{"class":5224,"line":16153},79,[5222,16155,5264],{"class":5487},[5222,16157,16159],{"class":5224,"line":16158},80,[5222,16160,12843],{"class":5487},[5222,16162,16164],{"class":5224,"line":16163},81,[5222,16165,6115],{"class":5487},[5197,16167,16168],{},[5132,16169,16170],{},"Крок 3 — NestJS контролер:",[5214,16172,16175],{"className":5792,"code":16173,"filename":16174,"language":5795,"meta":5218,"style":5218},"import { Controller, Get, Post, Delete, Body, Param, ParseIntPipe, UseGuards, Request } from '@nestjs\u002Fcommon';\nimport { PostsService } from '.\u002Fposts.service';\n\n@Controller('posts')\nexport class PostsController {\n  constructor(private readonly postsService: PostsService) {}\n\n  @Post()\n  async create(\n    @Body() dto: { title: string; content: string },\n    @Request() req,  \u002F\u002F З JWT guard отримуємо req.user\n  ) {\n    const userId = req.user.id;\n    return this.postsService.createPost(userId, dto);\n  }\n\n  @Get('my')\n  async getMyPosts(@Request() req) {\n    return this.postsService.getUserPosts(req.user.id);\n  }\n\n  @Get(':id')\n  async getPost(@Param('id', ParseIntPipe) id: number) {\n    return this.postsService.getPostWithAuthor(id);\n  }\n\n  @Post(':id\u002Fpublish')\n  async publish(@Param('id', ParseIntPipe) id: number, @Request() req) {\n    return this.postsService.publishPost(id, req.user.id);\n  }\n\n  @Delete(':id')\n  async delete(@Param('id', ParseIntPipe) id: number, @Request() req) {\n    await this.postsService.deletePost(id, req.user.id);\n    return { message: 'Пост успішно видалено' };\n  }\n}\n","src\u002Fposts\u002Fposts.controller.ts",[5102,16176,16177,16233,16251,16255,16267,16278,16299,16303,16311,16320,16349,16365,16370,16390,16416,16420,16424,16437,16455,16484,16488,16492,16505,16535,16556,16560,16564,16577,16615,16648,16652,16656,16668,16705,16739,16754,16758],{"__ignoreMap":5218},[5222,16178,16179,16181,16183,16186,16188,16191,16193,16195,16197,16200,16202,16205,16207,16210,16212,16215,16217,16220,16222,16225,16227,16229,16231],{"class":5224,"line":5225},[5222,16180,5803],{"class":5802},[5222,16182,5806],{"class":5487},[5222,16184,16185],{"class":5809},"Controller",[5222,16187,5157],{"class":5487},[5222,16189,16190],{"class":5809},"Get",[5222,16192,5157],{"class":5487},[5222,16194,6207],{"class":5809},[5222,16196,5157],{"class":5487},[5222,16198,16199],{"class":5809},"Delete",[5222,16201,5157],{"class":5487},[5222,16203,16204],{"class":5809},"Body",[5222,16206,5157],{"class":5487},[5222,16208,16209],{"class":5809},"Param",[5222,16211,5157],{"class":5487},[5222,16213,16214],{"class":5809},"ParseIntPipe",[5222,16216,5157],{"class":5487},[5222,16218,16219],{"class":5809},"UseGuards",[5222,16221,5157],{"class":5487},[5222,16223,16224],{"class":5809},"Request",[5222,16226,5833],{"class":5487},[5222,16228,5836],{"class":5802},[5222,16230,15133],{"class":5839},[5222,16232,5843],{"class":5487},[5222,16234,16235,16237,16239,16242,16244,16246,16249],{"class":5224,"line":5231},[5222,16236,5803],{"class":5802},[5222,16238,5806],{"class":5487},[5222,16240,16241],{"class":5809},"PostsService",[5222,16243,5833],{"class":5487},[5222,16245,5836],{"class":5802},[5222,16247,16248],{"class":5839}," 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{}\n",[5222,16300,16301],{"class":5224,"line":5261},[5222,16302,5557],{"emptyLinePlaceholder":5556},[5222,16304,16305,16307,16309],{"class":5224,"line":5267},[5222,16306,5900],{"class":5487},[5222,16308,6207],{"class":5483},[5222,16310,5905],{"class":5487},[5222,16312,16313,16315,16318],{"class":5224,"line":5273},[5222,16314,15318],{"class":5476},[5222,16316,16317],{"class":5483}," create",[5222,16319,15235],{"class":5487},[5222,16321,16322,16324,16326,16329,16331,16333,16335,16337,16339,16341,16343,16345,16347],{"class":5224,"line":5278},[5222,16323,15240],{"class":5487},[5222,16325,16204],{"class":5483},[5222,16327,16328],{"class":5487},"() 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};\n",[5222,16755,16756],{"class":5224,"line":15609},[5222,16757,12843],{"class":5487},[5222,16759,16760],{"class":5224,"line":15626},[5222,16761,6115],{"class":5487},[5192,16763,16765],{"id":16764},"category-products-звязок","Category → Products зв'язок",[5197,16767,16768],{},[5132,16769,16770],{},"Entities:",[5214,16772,16775],{"className":5792,"code":16773,"filename":16774,"language":5795,"meta":5218,"style":5218},"import { Entity, PrimaryGeneratedColumn, Column, OneToMany } from 'typeorm';\nimport { Product } from '.\u002Fproduct.entity';\n\n@Entity('categories')\nexport class Category {\n  @PrimaryGeneratedColumn()\n  id: number;\n\n  @Column({ type: 'varchar', length: 100, unique: true })\n  name: string;\n\n  @Column({ type: 'varchar', length: 100, unique: true })\n  slug: string;\n\n  @OneToMany(() => Product, (product) => product.category, {\n    cascade: ['insert', 'update'],\n  })\n  products: Product[];\n}\n","src\u002Fentities\u002Fcategory.entity.ts",[5102,16776,16777,16805,16823,16827,16840,16850,16858,16868,16872,16898,16908,16912,16938,16949,16953,16984,16998,17002,17013],{"__ignoreMap":5218},[5222,16778,16779,16781,16783,16785,16787,16789,16791,16793,16795,16797,16799,16801,16803],{"class":5224,"line":5225},[5222,16780,5803],{"class":5802},[5222,16782,5806],{"class":5487},[5222,16784,5810],{"class":5809},[5222,16786,5157],{"class":5487},[5222,16788,5815],{"class":5809},[5222,16790,5157],{"class":5487},[5222,16792,5820],{"class":5809},[5222,16794,5157],{"class":5487},[5222,16796,6704],{"class":5809},[5222,16798,5833],{"class":5487},[5222,16800,5836],{"class":5802},[5222,16802,5840],{"class":5839},[5222,16804,5843],{"class":5487},[5222,16806,16807,16809,16811,16814,16816,16818,16821],{"class":5224,"line":5231},[5222,16808,5803],{"class":5802},[5222,16810,5806],{"class":5487},[5222,16812,16813],{"class":5809},"Product",[5222,16815,5833],{"class":5487},[5222,16817,5836],{"class":5802},[5222,16819,16820],{"class":5839}," 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'.\u002Fcategory.entity';\n\n@Entity('products')\nexport class Product {\n  @PrimaryGeneratedColumn()\n  id: number;\n\n  @Column({ type: 'varchar', length: 255 })\n  name: string;\n\n  @Column({ type: 'decimal', precision: 10, scale: 2 })\n  price: number;\n\n  @Column({ type: 'int', default: 0 })\n  stock: number;\n\n  @ManyToOne(() => Category, (category) => category.products, {\n    nullable: true,\n    onDelete: 'SET NULL',  \u002F\u002F При видаленні категорії товари залишаються без категорії\n  })\n  @JoinColumn({ name: 'category_id' })\n  category: Category;\n}\n","src\u002Fentities\u002Fproduct.entity.ts",[5102,17022,17023,17055,17072,17076,17089,17099,17107,17117,17121,17141,17151,17155,17185,17196,17200,17222,17233,17237,17266,17274,17285,17289,17303,17313],{"__ignoreMap":5218},[5222,17024,17025,17027,17029,17031,17033,17035,17037,17039,17041,17043,17045,17047,17049,17051,17053],{"class":5224,"line":5225},[5222,17026,5803],{"class":5802},[5222,17028,5806],{"class":5487},[5222,17030,5810],{"class":5809},[5222,17032,5157],{"class":5487},[5222,17034,5815],{"class":5809},[5222,17036,5157],{"class":5487},[5222,17038,5820],{"class":5809},[5222,17040,5157],{"class":5487},[5222,17042,5825],{"class":5809},[5222,17044,5157],{"class":5487},[5222,17046,7523],{"class":5809},[5222,17048,5833],{"class":5487},[5222,17050,5836],{"class":5802},[5222,17052,5840],{"class":5839},[5222,17054,5843],{"class":5487},[5222,17056,17057,17059,17061,17063,17065,17067,17070],{"class":5224,"line":5231},[5222,17058,5803],{"class":5802},[5222,17060,5806],{"class":5487},[5222,17062,8130],{"class":5809},[5222,17064,5833],{"class":5487},[5222,17066,5836],{"class":5802},[5222,17068,17069],{"class":5839}," 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stock",[5222,17228,5913],{"class":5487},[5222,17230,5916],{"class":5891},[5222,17232,5843],{"class":5487},[5222,17234,17235],{"class":5224,"line":5675},[5222,17236,5557],{"emptyLinePlaceholder":5556},[5222,17238,17239,17241,17243,17245,17247,17249,17251,17253,17255,17257,17259,17261,17264],{"class":5224,"line":6053},[5222,17240,5900],{"class":5487},[5222,17242,5825],{"class":5483},[5222,17244,6009],{"class":5487},[5222,17246,6012],{"class":5476},[5222,17248,8067],{"class":5809},[5222,17250,6018],{"class":5487},[5222,17252,8072],{"class":5809},[5222,17254,5520],{"class":5487},[5222,17256,6012],{"class":5476},[5222,17258,8079],{"class":5809},[5222,17260,5209],{"class":5487},[5222,17262,17263],{"class":5809},"products",[5222,17265,6036],{"class":5487},[5222,17267,17268,17270,17272],{"class":5224,"line":6067},[5222,17269,6041],{"class":5809},[5222,17271,6531],{"class":5476},[5222,17273,5502],{"class":5487},[5222,17275,17276,17278,17280,17282],{"class":5224,"line":6073},[5222,17277,6056],{"class":5809},[5222,17279,6545],{"class":5839},[5222,17281,6047],{"class":5487},[5222,17283,17284],{"class":5999},"\u002F\u002F При видаленні категорії товари залишаються без категорії\n",[5222,17286,17287],{"class":5224,"line":6085},[5222,17288,6070],{"class":5487},[5222,17290,17291,17293,17295,17297,17299,17301],{"class":5224,"line":6090},[5222,17292,5900],{"class":5487},[5222,17294,7523],{"class":5483},[5222,17296,5931],{"class":5487},[5222,17298,7574],{"class":5809},[5222,17300,8118],{"class":5839},[5222,17302,5948],{"class":5487},[5222,17304,17305,17307,17309,17311],{"class":5224,"line":6099},[5222,17306,8125],{"class":5809},[5222,17308,5913],{"class":5487},[5222,17310,8130],{"class":5891},[5222,17312,5843],{"class":5487},[5222,17314,17315],{"class":5224,"line":6112},[5222,17316,6115],{"class":5487},[5197,17318,17319],{},[5132,17320,17321],{},"Сервіс з фільтрацією:",[5214,17323,17326],{"className":5792,"code":17324,"filename":17325,"language":5795,"meta":5218,"style":5218},"import { Injectable } from '@nestjs\u002Fcommon';\nimport { InjectRepository } from '@nestjs\u002Ftypeorm';\nimport { Repository } from 'typeorm';\nimport { Product } from '..\u002Fentities\u002Fproduct.entity';\nimport { Category } from '..\u002Fentities\u002Fcategory.entity';\n\n@Injectable()\nexport class ProductsService {\n  constructor(\n    @InjectRepository(Product)\n    private readonly productRepository: Repository\u003CProduct>,\n    @InjectRepository(Category)\n    private readonly categoryRepository: Repository\u003CCategory>,\n  ) {}\n\n  \u002F\u002F Отримання товарів категорії (з пагінацією)\n  async getProductsByCategory(categorySlug: string, page = 1, limit = 20): Promise\u003C{ items: Product[]; total: number }> {\n    const [items, total] = await this.productRepository.findAndCount({\n      where: { category: { slug: categorySlug } },\n      relations: ['category'],\n      order: { name: 'ASC' },\n      skip: (page - 1) * limit,\n      take: limit,\n    });\n\n    return { items, total };\n  }\n\n  \u002F\u002F Отримання категорій з підрахунком товарів (через QueryBuilder)\n  async getCategoriesWithProductCount(): Promise\u003CArray\u003C{ category: Category; productCount: number }>> {\n    const results = await this.categoryRepository\n      .createQueryBuilder('category')\n      .leftJoin('category.products', 'product')\n      .select('category.id', 'id')\n      .addSelect('category.name', 'name')\n      .addSelect('category.slug', 'slug')\n      .addSelect('COUNT(product.id)', 'productCount')\n      .groupBy('category.id')\n      .getRawMany();\n\n    return results.map(row => ({\n      category: { id: row.id, name: row.name, slug: row.slug } as Category,\n      productCount: parseInt(row.productCount, 10),\n    }));\n  }\n\n  \u002F\u002F Переміщення товару в іншу категорію\n  async moveProductToCategory(productId: number, categoryId: number | null): Promise\u003CProduct> {\n    const product = await this.productRepository.findOne({ where: { id: productId } });\n    if (!product) {\n      throw new NotFoundException('Товар не знайдено');\n    }\n\n    if (categoryId === null) {\n      product.category = null;\n    } else {\n      const category = await this.categoryRepository.findOne({ where: { id: categoryId } });\n      if (!category) {\n        throw new NotFoundException('Категорія не знайдена');\n      }\n      product.category = category;\n    }\n\n    return this.productRepository.save(product);\n  }\n}\n","src\u002Fproducts\u002Fproducts.service.ts",[5102,17327,17328,17344,17360,17376,17393,17410,17414,17422,17433,17439,17451,17470,17482,17501,17505,17509,17514,17576,17607,17626,17637,17650,17671,17681,17685,17689,17703,17707,17711,17716,17753,17771,17784,17802,17820,17839,17857,17875,17888,17897,17901,17922,17967,17990,17995,17999,18003,18008,18048,18081,18091,18106,18110,18114,18128,18143,18153,18188,18199,18215,18220,18234,18238,18242,18262,18266],{"__ignoreMap":5218},[5222,17329,17330,17332,17334,17336,17338,17340,17342],{"class":5224,"line":5225},[5222,17331,5803],{"class":5802},[5222,17333,5806],{"class":5487},[5222,17335,15116],{"class":5809},[5222,17337,5833],{"class":5487},[5222,17339,5836],{"class":5802},[5222,17341,15133],{"class":5839},[5222,17343,5843],{"class":5487},[5222,17345,17346,17348,17350,17352,17354,17356,17358],{"class":5224,"line":5231},[5222,17347,5803],{"class":5802},[5222,17349,5806],{"class":5487},[5222,17351,15144],{"class":5809},[5222,17353,5833],{"class":5487},[5222,17355,5836],{"class":5802},[5222,17357,15151],{"class":5839},[5222,17359,5843],{"class":5487},[5222,17361,17362,17364,17366,17368,17370,17372,17374],{"class":5224,"line":5237},[5222,17363,5803],{"class":5802},[5222,17365,5806],{"class":5487},[5222,17367,15162],{"class":5809},[5222,17369,5833],{"class":5487},[5222,17371,5836],{"class":5802},[5222,17373,5840],{"class":5839},[5222,17375,5843],{"class":5487},[5222,17377,17378,17380,17382,17384,17386,17388,17391],{"class":5224,"line":5243},[5222,17379,5803],{"class":5802},[5222,17381,5806],{"class":5487},[5222,17383,16813],{"class":5809},[5222,17385,5833],{"class":5487},[5222,17387,5836],{"class":5802},[5222,17389,17390],{"class":5839}," '..\u002Fentities\u002Fproduct.entity'",[5222,17392,5843],{"class":5487},[5222,17394,17395,17397,17399,17401,17403,17405,17408],{"class":5224,"line":5249},[5222,17396,5803],{"class":5802},[5222,17398,5806],{"class":5487},[5222,17400,8130],{"class":5809},[5222,17402,5833],{"class":5487},[5222,17404,5836],{"class":5802},[5222,17406,17407],{"class":5839}," '..\u002Fentities\u002Fcategory.entity'",[5222,17409,5843],{"class":5487},[5222,17411,17412],{"class":5224,"line":5255},[5222,17413,5557],{"emptyLinePlaceholder":5556},[5222,17415,17416,17418,17420],{"class":5224,"line":5261},[5222,17417,5870],{"class":5487},[5222,17419,15116],{"class":5483},[5222,17421,5905],{"class":5487},[5222,17423,17424,17426,17428,17431],{"class":5224,"line":5267},[5222,17425,5885],{"class":5802},[5222,17427,5888],{"class":5476},[5222,17429,17430],{"class":5891}," ProductsService",[5222,17432,5895],{"class":5487},[5222,17434,17435,17437],{"class":5224,"line":5273},[5222,17436,15232],{"class":5476},[5222,17438,15235],{"class":5487},[5222,17440,17441,17443,17445,17447,17449],{"class":5224,"line":5278},[5222,17442,15240],{"class":5487},[5222,17444,15144],{"class":5483},[5222,17446,5513],{"class":5487},[5222,17448,16813],{"class":5809},[5222,17450,5880],{"class":5487},[5222,17452,17453,17455,17457,17460,17462,17464,17466,17468],{"class":5224,"line":5284},[5222,17454,15253],{"class":5476},[5222,17456,15256],{"class":5476},[5222,17458,17459],{"class":5809}," productRepository",[5222,17461,5913],{"class":5487},[5222,17463,15162],{"class":5891},[5222,17465,8713],{"class":5487},[5222,17467,16813],{"class":5891},[5222,17469,15269],{"class":5487},[5222,17471,17472,17474,17476,17478,17480],{"class":5224,"line":5290},[5222,17473,15240],{"class":5487},[5222,17475,15144],{"class":5483},[5222,17477,5513],{"class":5487},[5222,17479,8130],{"class":5809},[5222,17481,5880],{"class":5487},[5222,17483,17484,17486,17488,17491,17493,17495,17497,17499],{"class":5224,"line":5296},[5222,17485,15253],{"class":5476},[5222,17487,15256],{"class":5476},[5222,17489,17490],{"class":5809}," categoryRepository",[5222,17492,5913],{"class":5487},[5222,17494,15162],{"class":5891},[5222,17496,8713],{"class":5487},[5222,17498,8130],{"class":5891},[5222,17500,15269],{"class":5487},[5222,17502,17503],{"class":5224,"line":5651},[5222,17504,15304],{"class":5487},[5222,17506,17507],{"class":5224,"line":5660},[5222,17508,5557],{"emptyLinePlaceholder":5556},[5222,17510,17511],{"class":5224,"line":5669},[5222,17512,17513],{"class":5999},"  \u002F\u002F Отримання товарів категорії (з пагінацією)\n",[5222,17515,17516,17518,17521,17523,17526,17528,17530,17532,17535,17537,17539,17541,17544,17546,17549,17551,17553,17556,17559,17561,17563,17566,17569,17571,17573],{"class":5224,"line":5675},[5222,17517,15318],{"class":5476},[5222,17519,17520],{"class":5483}," getProductsByCategory",[5222,17522,5513],{"class":5487},[5222,17524,17525],{"class":5809},"categorySlug",[5222,17527,5913],{"class":5487},[5222,17529,5958],{"class":5891},[5222,17531,5157],{"class":5487},[5222,17533,17534],{"class":5809},"page",[5222,17536,8456],{"class":5487},[5222,17538,8573],{"class":5516},[5222,17540,5157],{"class":5487},[5222,17542,17543],{"class":5809},"limit",[5222,17545,8456],{"class":5487},[5222,17547,17548],{"class":5516},"20",[5222,17550,15597],{"class":5487},[5222,17552,8710],{"class":5891},[5222,17554,17555],{"class":5487},"\u003C{ ",[5222,17557,17558],{"class":5809},"items",[5222,17560,5913],{"class":5487},[5222,17562,16813],{"class":5891},[5222,17564,17565],{"class":5487},"[]; ",[5222,17567,17568],{"class":5809},"total",[5222,17570,5913],{"class":5487},[5222,17572,5916],{"class":5891},[5222,17574,17575],{"class":5487}," }> {\n",[5222,17577,17578,17580,17582,17584,17586,17588,17591,17593,17595,17597,17600,17602,17605],{"class":5224,"line":6053},[5222,17579,15374],{"class":5476},[5222,17581,6585],{"class":5487},[5222,17583,17558],{"class":8453},[5222,17585,5157],{"class":5487},[5222,17587,17568],{"class":8453},[5222,17589,17590],{"class":5487},"] = ",[5222,17592,8459],{"class":5802},[5222,17594,15384],{"class":5476},[5222,17596,5209],{"class":5487},[5222,17598,17599],{"class":5809},"productRepository",[5222,17601,5209],{"class":5487},[5222,17603,17604],{"class":5483},"findAndCount",[5222,17606,7726],{"class":5487},[5222,17608,17609,17611,17613,17616,17618,17621,17624],{"class":5224,"line":6067},[5222,17610,15629],{"class":5809},[5222,17612,5806],{"class":5487},[5222,17614,17615],{"class":5809},"category:",[5222,17617,5806],{"class":5487},[5222,17619,17620],{"class":5809},"slug:",[5222,17622,17623],{"class":5809}," categorySlug",[5222,17625,15643],{"class":5487},[5222,17627,17628,17630,17632,17635],{"class":5224,"line":6073},[5222,17629,15750],{"class":5809},[5222,17631,6585],{"class":5487},[5222,17633,17634],{"class":5839},"'category'",[5222,17636,9985],{"class":5487},[5222,17638,17639,17641,17643,17645,17648],{"class":5224,"line":6085},[5222,17640,15649],{"class":5809},[5222,17642,5806],{"class":5487},[5222,17644,7574],{"class":5809},[5222,17646,17647],{"class":5839}," 'ASC'",[5222,17649,9123],{"class":5487},[5222,17651,17652,17655,17657,17659,17662,17664,17667,17669],{"class":5224,"line":6090},[5222,17653,17654],{"class":5809},"      skip:",[5222,17656,5341],{"class":5487},[5222,17658,17534],{"class":5809},[5222,17660,17661],{"class":5487}," - ",[5222,17663,8573],{"class":5516},[5222,17665,17666],{"class":5487},") * ",[5222,17668,17543],{"class":5809},[5222,17670,5502],{"class":5487},[5222,17672,17673,17676,17679],{"class":5224,"line":6099},[5222,17674,17675],{"class":5809},"      take:",[5222,17677,17678],{"class":5809}," limit",[5222,17680,5502],{"class":5487},[5222,17682,17683],{"class":5224,"line":6112},[5222,17684,15536],{"class":5487},[5222,17686,17687],{"class":5224,"line":14749},[5222,17688,5557],{"emptyLinePlaceholder":5556},[5222,17690,17691,17693,17695,17697,17699,17701],{"class":5224,"line":15057},[5222,17692,15546],{"class":5802},[5222,17694,5806],{"class":5487},[5222,17696,17558],{"class":5809},[5222,17698,5157],{"class":5487},[5222,17700,17568],{"class":5809},[5222,17702,16753],{"class":5487},[5222,17704,17705],{"class":5224,"line":15068},[5222,17706,12843],{"class":5487},[5222,17708,17709],{"class":5224,"line":15073},[5222,17710,5557],{"emptyLinePlaceholder":5556},[5222,17712,17713],{"class":5224,"line":15082},[5222,17714,17715],{"class":5999},"  \u002F\u002F Отримання категорій з підрахунком товарів (через QueryBuilder)\n",[5222,17717,17718,17720,17723,17726,17728,17730,17733,17735,17737,17739,17741,17743,17746,17748,17750],{"class":5224,"line":15094},[5222,17719,15318],{"class":5476},[5222,17721,17722],{"class":5483}," getCategoriesWithProductCount",[5222,17724,17725],{"class":5487},"(): ",[5222,17727,8710],{"class":5891},[5222,17729,8713],{"class":5487},[5222,17731,17732],{"class":5891},"Array",[5222,17734,17555],{"class":5487},[5222,17736,8072],{"class":5809},[5222,17738,5913],{"class":5487},[5222,17740,8130],{"class":5891},[5222,17742,15346],{"class":5487},[5222,17744,17745],{"class":5809},"productCount",[5222,17747,5913],{"class":5487},[5222,17749,5916],{"class":5891},[5222,17751,17752],{"class":5487}," }>> {\n",[5222,17754,17755,17757,17760,17762,17764,17766,17768],{"class":5224,"line":15543},[5222,17756,15374],{"class":5476},[5222,17758,17759],{"class":8453}," results",[5222,17761,8456],{"class":5487},[5222,17763,8459],{"class":5802},[5222,17765,15384],{"class":5476},[5222,17767,5209],{"class":5487},[5222,17769,17770],{"class":5809},"categoryRepository\n",[5222,17772,17773,17776,17778,17780,17782],{"class":5224,"line":15565},[5222,17774,17775],{"class":5487},"      .",[5222,17777,9428],{"class":5483},[5222,17779,5513],{"class":5487},[5222,17781,17634],{"class":5839},[5222,17783,5880],{"class":5487},[5222,17785,17786,17788,17790,17792,17795,17797,17800],{"class":5224,"line":15570},[5222,17787,17775],{"class":5487},[5222,17789,9636],{"class":5483},[5222,17791,5513],{"class":5487},[5222,17793,17794],{"class":5839},"'category.products'",[5222,17796,5157],{"class":5487},[5222,17798,17799],{"class":5839},"'product'",[5222,17801,5880],{"class":5487},[5222,17803,17804,17806,17809,17811,17814,17816,17818],{"class":5224,"line":15575},[5222,17805,17775],{"class":5487},[5222,17807,17808],{"class":5483},"select",[5222,17810,5513],{"class":5487},[5222,17812,17813],{"class":5839},"'category.id'",[5222,17815,5157],{"class":5487},[5222,17817,16520],{"class":5839},[5222,17819,5880],{"class":5487},[5222,17821,17822,17824,17827,17829,17832,17834,17837],{"class":5224,"line":15581},[5222,17823,17775],{"class":5487},[5222,17825,17826],{"class":5483},"addSelect",[5222,17828,5513],{"class":5487},[5222,17830,17831],{"class":5839},"'category.name'",[5222,17833,5157],{"class":5487},[5222,17835,17836],{"class":5839},"'name'",[5222,17838,5880],{"class":5487},[5222,17840,17841,17843,17845,17847,17850,17852,17855],{"class":5224,"line":15609},[5222,17842,17775],{"class":5487},[5222,17844,17826],{"class":5483},[5222,17846,5513],{"class":5487},[5222,17848,17849],{"class":5839},"'category.slug'",[5222,17851,5157],{"class":5487},[5222,17853,17854],{"class":5839},"'slug'",[5222,17856,5880],{"class":5487},[5222,17858,17859,17861,17863,17865,17868,17870,17873],{"class":5224,"line":15626},[5222,17860,17775],{"class":5487},[5222,17862,17826],{"class":5483},[5222,17864,5513],{"class":5487},[5222,17866,17867],{"class":5839},"'COUNT(product.id)'",[5222,17869,5157],{"class":5487},[5222,17871,17872],{"class":5839},"'productCount'",[5222,17874,5880],{"class":5487},[5222,17876,17877,17879,17882,17884,17886],{"class":5224,"line":15646},[5222,17878,17775],{"class":5487},[5222,17880,17881],{"class":5483},"groupBy",[5222,17883,5513],{"class":5487},[5222,17885,17813],{"class":5839},[5222,17887,5880],{"class":5487},[5222,17889,17890,17892,17895],{"class":5224,"line":15662},[5222,17891,17775],{"class":5487},[5222,17893,17894],{"class":5483},"getRawMany",[5222,17896,9520],{"class":5487},[5222,17898,17899],{"class":5224,"line":15667},[5222,17900,5557],{"emptyLinePlaceholder":5556},[5222,17902,17903,17905,17907,17909,17912,17914,17917,17919],{"class":5224,"line":15672},[5222,17904,15546],{"class":5802},[5222,17906,17759],{"class":5809},[5222,17908,5209],{"class":5487},[5222,17910,17911],{"class":5483},"map",[5222,17913,5513],{"class":5487},[5222,17915,17916],{"class":5809},"row",[5222,17918,14088],{"class":5476},[5222,17920,17921],{"class":5487}," ({\n",[5222,17923,17924,17927,17929,17931,17934,17936,17938,17940,17942,17944,17946,17948,17950,17952,17954,17956,17959,17961,17963,17965],{"class":5224,"line":15677},[5222,17925,17926],{"class":5809},"      category:",[5222,17928,5806],{"class":5487},[5222,17930,8477],{"class":5809},[5222,17932,17933],{"class":5809}," row",[5222,17935,5209],{"class":5487},[5222,17937,5348],{"class":5809},[5222,17939,5157],{"class":5487},[5222,17941,7574],{"class":5809},[5222,17943,17933],{"class":5809},[5222,17945,5209],{"class":5487},[5222,17947,10184],{"class":5809},[5222,17949,5157],{"class":5487},[5222,17951,17620],{"class":5809},[5222,17953,17933],{"class":5809},[5222,17955,5209],{"class":5487},[5222,17957,17958],{"class":5809},"slug",[5222,17960,5833],{"class":5487},[5222,17962,11906],{"class":5802},[5222,17964,8067],{"class":5891},[5222,17966,5502],{"class":5487},[5222,17968,17969,17972,17975,17977,17979,17981,17983,17985,17988],{"class":5224,"line":15683},[5222,17970,17971],{"class":5809},"      productCount:",[5222,17973,17974],{"class":5483}," parseInt",[5222,17976,5513],{"class":5487},[5222,17978,17916],{"class":5809},[5222,17980,5209],{"class":5487},[5222,17982,17745],{"class":5809},[5222,17984,5157],{"class":5487},[5222,17986,17987],{"class":5516},"10",[5222,17989,7636],{"class":5487},[5222,17991,17992],{"class":5224,"line":15710},[5222,17993,17994],{"class":5487},"    }));\n",[5222,17996,17997],{"class":5224,"line":15733},[5222,17998,12843],{"class":5487},[5222,18000,18001],{"class":5224,"line":15747},[5222,18002,5557],{"emptyLinePlaceholder":5556},[5222,18004,18005],{"class":5224,"line":15763},[5222,18006,18007],{"class":5999},"  \u002F\u002F Переміщення товару в іншу категорію\n",[5222,18009,18010,18012,18015,18017,18020,18022,18024,18026,18029,18031,18033,18036,18038,18040,18042,18044,18046],{"class":5224,"line":15768},[5222,18011,15318],{"class":5476},[5222,18013,18014],{"class":5483}," moveProductToCategory",[5222,18016,5513],{"class":5487},[5222,18018,18019],{"class":5809},"productId",[5222,18021,5913],{"class":5487},[5222,18023,5916],{"class":5891},[5222,18025,5157],{"class":5487},[5222,18027,18028],{"class":5809},"categoryId",[5222,18030,5913],{"class":5487},[5222,18032,5916],{"class":5891},[5222,18034,18035],{"class":5487}," | ",[5222,18037,12598],{"class":5891},[5222,18039,15597],{"class":5487},[5222,18041,8710],{"class":5891},[5222,18043,8713],{"class":5487},[5222,18045,16813],{"class":5891},[5222,18047,15364],{"class":5487},[5222,18049,18050,18052,18054,18056,18058,18060,18062,18064,18066,18068,18070,18072,18074,18076,18079],{"class":5224,"line":15773},[5222,18051,15374],{"class":5476},[5222,18053,16977],{"class":8453},[5222,18055,8456],{"class":5487},[5222,18057,8459],{"class":5802},[5222,18059,15384],{"class":5476},[5222,18061,5209],{"class":5487},[5222,18063,17599],{"class":5809},[5222,18065,5209],{"class":5487},[5222,18067,8467],{"class":5483},[5222,18069,5931],{"class":5487},[5222,18071,8472],{"class":5809},[5222,18073,5806],{"class":5487},[5222,18075,8477],{"class":5809},[5222,18077,18078],{"class":5809}," productId",[5222,18080,8483],{"class":5487},[5222,18082,18083,18085,18087,18089],{"class":5224,"line":15784},[5222,18084,15408],{"class":5802},[5222,18086,15411],{"class":5487},[5222,18088,16970],{"class":5809},[5222,18090,10120],{"class":5487},[5222,18092,18093,18095,18097,18099,18101,18104],{"class":5224,"line":15808},[5222,18094,15421],{"class":5802},[5222,18096,9499],{"class":5476},[5222,18098,15426],{"class":5483},[5222,18100,5513],{"class":5487},[5222,18102,18103],{"class":5839},"'Товар не знайдено'",[5222,18105,5551],{"class":5487},[5222,18107,18108],{"class":5224,"line":15813},[5222,18109,5264],{"class":5487},[5222,18111,18112],{"class":5224,"line":15818},[5222,18113,5557],{"emptyLinePlaceholder":5556},[5222,18115,18116,18118,18120,18122,18124,18126],{"class":5224,"line":15827},[5222,18117,15408],{"class":5802},[5222,18119,5341],{"class":5487},[5222,18121,18028],{"class":5809},[5222,18123,12812],{"class":5487},[5222,18125,12598],{"class":5476},[5222,18127,10120],{"class":5487},[5222,18129,18130,18133,18135,18137,18139,18141],{"class":5224,"line":15832},[5222,18131,18132],{"class":5809},"      product",[5222,18134,5209],{"class":5487},[5222,18136,8072],{"class":5809},[5222,18138,8456],{"class":5487},[5222,18140,12598],{"class":5476},[5222,18142,5843],{"class":5487},[5222,18144,18145,18148,18151],{"class":5224,"line":15837},[5222,18146,18147],{"class":5487},"    } ",[5222,18149,18150],{"class":5802},"else",[5222,18152,5895],{"class":5487},[5222,18154,18155,18158,18160,18162,18164,18166,18168,18171,18173,18175,18177,18179,18181,18183,18186],{"class":5224,"line":15843},[5222,18156,18157],{"class":5476},"      const",[5222,18159,8079],{"class":8453},[5222,18161,8456],{"class":5487},[5222,18163,8459],{"class":5802},[5222,18165,15384],{"class":5476},[5222,18167,5209],{"class":5487},[5222,18169,18170],{"class":5809},"categoryRepository",[5222,18172,5209],{"class":5487},[5222,18174,8467],{"class":5483},[5222,18176,5931],{"class":5487},[5222,18178,8472],{"class":5809},[5222,18180,5806],{"class":5487},[5222,18182,8477],{"class":5809},[5222,18184,18185],{"class":5809}," categoryId",[5222,18187,8483],{"class":5487},[5222,18189,18190,18193,18195,18197],{"class":5224,"line":15877},[5222,18191,18192],{"class":5802},"      if",[5222,18194,15411],{"class":5487},[5222,18196,8072],{"class":5809},[5222,18198,10120],{"class":5487},[5222,18200,18201,18204,18206,18208,18210,18213],{"class":5224,"line":15900},[5222,18202,18203],{"class":5802},"        throw",[5222,18205,9499],{"class":5476},[5222,18207,15426],{"class":5483},[5222,18209,5513],{"class":5487},[5222,18211,18212],{"class":5839},"'Категорія не знайдена'",[5222,18214,5551],{"class":5487},[5222,18216,18217],{"class":5224,"line":15923},[5222,18218,18219],{"class":5487},"      }\n",[5222,18221,18222,18224,18226,18228,18230,18232],{"class":5224,"line":15928},[5222,18223,18132],{"class":5809},[5222,18225,5209],{"class":5487},[5222,18227,8072],{"class":5809},[5222,18229,8456],{"class":5487},[5222,18231,8072],{"class":5809},[5222,18233,5843],{"class":5487},[5222,18235,18236],{"class":5224,"line":15933},[5222,18237,5264],{"class":5487},[5222,18239,18240],{"class":5224,"line":15944},[5222,18241,5557],{"emptyLinePlaceholder":5556},[5222,18243,18244,18246,18248,18250,18252,18254,18256,18258,18260],{"class":5224,"line":15960},[5222,18245,15546],{"class":5802},[5222,18247,15384],{"class":5476},[5222,18249,5209],{"class":5487},[5222,18251,17599],{"class":5809},[5222,18253,5209],{"class":5487},[5222,18255,10896],{"class":5483},[5222,18257,5513],{"class":5487},[5222,18259,16970],{"class":5809},[5222,18261,5551],{"class":5487},[5222,18263,18264],{"class":5224,"line":15965},[5222,18265,12843],{"class":5487},[5222,18267,18268],{"class":5224,"line":15970},[5222,18269,6115],{"class":5487},[5192,18271,18273],{"id":18272},"фільтрація-за-звязаними-даними","Фільтрація за зв'язаними даними",[5197,18275,18276],{},[5132,18277,18278],{},"Приклад 1 — пошук постів за ім'ям автора:",[5214,18280,18282],{"className":5792,"code":18281,"language":5795,"meta":5218,"style":5218},"\u002F\u002F Через find() з relations\nconst posts = await postRepository.find({\n  where: { author: { name: Like('%Олександр%') } },\n  relations: ['author'],\n});\n\n\u002F\u002F Через QueryBuilder (більш гнучко)\nconst posts = await postRepository\n  .createQueryBuilder('post')\n  .innerJoinAndSelect('post.author', 'author')\n  .where('author.name ILIKE :name', { name: '%Олександр%' })\n  .getMany();\n",[5102,18283,18284,18289,18307,18329,18339,18343,18347,18352,18365,18377,18394,18414],{"__ignoreMap":5218},[5222,18285,18286],{"class":5224,"line":5225},[5222,18287,18288],{"class":5999},"\u002F\u002F Через find() з relations\n",[5222,18290,18291,18293,18295,18297,18299,18301,18303,18305],{"class":5224,"line":5231},[5222,18292,8450],{"class":5476},[5222,18294,5566],{"class":8453},[5222,18296,8456],{"class":5487},[5222,18298,8459],{"class":5802},[5222,18300,10134],{"class":5809},[5222,18302,5209],{"class":5487},[5222,18304,10091],{"class":5483},[5222,18306,7726],{"class":5487},[5222,18308,18309,18311,18313,18315,18317,18319,18321,18323,18326],{"class":5224,"line":5237},[5222,18310,9114],{"class":5809},[5222,18312,5806],{"class":5487},[5222,18314,15634],{"class":5809},[5222,18316,5806],{"class":5487},[5222,18318,7574],{"class":5809},[5222,18320,9794],{"class":5483},[5222,18322,5513],{"class":5487},[5222,18324,18325],{"class":5839},"'%Олександр%'",[5222,18327,18328],{"class":5487},") } },\n",[5222,18330,18331,18333,18335,18337],{"class":5224,"line":5243},[5222,18332,9128],{"class":5809},[5222,18334,6585],{"class":5487},[5222,18336,15755],{"class":5839},[5222,18338,9985],{"class":5487},[5222,18340,18341],{"class":5224,"line":5249},[5222,18342,9142],{"class":5487},[5222,18344,18345],{"class":5224,"line":5255},[5222,18346,5557],{"emptyLinePlaceholder":5556},[5222,18348,18349],{"class":5224,"line":5261},[5222,18350,18351],{"class":5999},"\u002F\u002F Через QueryBuilder (більш гнучко)\n",[5222,18353,18354,18356,18358,18360,18362],{"class":5224,"line":5267},[5222,18355,8450],{"class":5476},[5222,18357,5566],{"class":8453},[5222,18359,8456],{"class":5487},[5222,18361,8459],{"class":5802},[5222,18363,18364],{"class":5809}," postRepository\n",[5222,18366,18367,18369,18371,18373,18375],{"class":5224,"line":5273},[5222,18368,9425],{"class":5487},[5222,18370,9428],{"class":5483},[5222,18372,5513],{"class":5487},[5222,18374,9452],{"class":5839},[5222,18376,5880],{"class":5487},[5222,18378,18379,18381,18383,18385,18388,18390,18392],{"class":5224,"line":5278},[5222,18380,9425],{"class":5487},[5222,18382,9596],{"class":5483},[5222,18384,5513],{"class":5487},[5222,18386,18387],{"class":5839},"'post.author'",[5222,18389,5157],{"class":5487},[5222,18391,15755],{"class":5839},[5222,18393,5880],{"class":5487},[5222,18395,18396,18398,18400,18402,18405,18407,18409,18412],{"class":5224,"line":5284},[5222,18397,9425],{"class":5487},[5222,18399,9465],{"class":5483},[5222,18401,5513],{"class":5487},[5222,18403,18404],{"class":5839},"'author.name ILIKE :name'",[5222,18406,7710],{"class":5487},[5222,18408,7574],{"class":5809},[5222,18410,18411],{"class":5839}," '%Олександр%'",[5222,18413,5948],{"class":5487},[5222,18415,18416,18418,18420],{"class":5224,"line":5290},[5222,18417,9425],{"class":5487},[5222,18419,9517],{"class":5483},[5222,18421,9520],{"class":5487},[5197,18423,18424],{},[5132,18425,18426],{},"Приклад 2 — пошук користувачів, які мають опубліковані пости:",[5214,18428,18430],{"className":5792,"code":18429,"language":5795,"meta":5218,"style":5218},"const activeAuthors = await userRepository\n  .createQueryBuilder('user')\n  .innerJoin('user.posts', 'post', 'post.status = :status', { status: 'published' })\n  .select('user.id', 'id')\n  .addSelect('user.name', 'name')\n  .addSelect('user.email', 'email')\n  .distinct(true)\n  .getRawMany();\n",[5102,18431,18432,18445,18457,18483,18500,18517,18535,18548],{"__ignoreMap":5218},[5222,18433,18434,18436,18439,18441,18443],{"class":5224,"line":5225},[5222,18435,8450],{"class":5476},[5222,18437,18438],{"class":8453}," activeAuthors",[5222,18440,8456],{"class":5487},[5222,18442,8459],{"class":5802},[5222,18444,9420],{"class":5809},[5222,18446,18447,18449,18451,18453,18455],{"class":5224,"line":5231},[5222,18448,9425],{"class":5487},[5222,18450,9428],{"class":5483},[5222,18452,5513],{"class":5487},[5222,18454,9433],{"class":5839},[5222,18456,5880],{"class":5487},[5222,18458,18459,18461,18463,18465,18467,18469,18471,18473,18475,18477,18479,18481],{"class":5224,"line":5237},[5222,18460,9425],{"class":5487},[5222,18462,9640],{"class":5483},[5222,18464,5513],{"class":5487},[5222,18466,9447],{"class":5839},[5222,18468,5157],{"class":5487},[5222,18470,9452],{"class":5839},[5222,18472,5157],{"class":5487},[5222,18474,9609],{"class":5839},[5222,18476,7710],{"class":5487},[5222,18478,9614],{"class":5809},[5222,18480,9617],{"class":5839},[5222,18482,5948],{"class":5487},[5222,18484,18485,18487,18489,18491,18494,18496,18498],{"class":5224,"line":5243},[5222,18486,9425],{"class":5487},[5222,18488,17808],{"class":5483},[5222,18490,5513],{"class":5487},[5222,18492,18493],{"class":5839},"'user.id'",[5222,18495,5157],{"class":5487},[5222,18497,16520],{"class":5839},[5222,18499,5880],{"class":5487},[5222,18501,18502,18504,18506,18508,18511,18513,18515],{"class":5224,"line":5249},[5222,18503,9425],{"class":5487},[5222,18505,17826],{"class":5483},[5222,18507,5513],{"class":5487},[5222,18509,18510],{"class":5839},"'user.name'",[5222,18512,5157],{"class":5487},[5222,18514,17836],{"class":5839},[5222,18516,5880],{"class":5487},[5222,18518,18519,18521,18523,18525,18528,18530,18533],{"class":5224,"line":5255},[5222,18520,9425],{"class":5487},[5222,18522,17826],{"class":5483},[5222,18524,5513],{"class":5487},[5222,18526,18527],{"class":5839},"'user.email'",[5222,18529,5157],{"class":5487},[5222,18531,18532],{"class":5839},"'email'",[5222,18534,5880],{"class":5487},[5222,18536,18537,18539,18542,18544,18546],{"class":5224,"line":5261},[5222,18538,9425],{"class":5487},[5222,18540,18541],{"class":5483},"distinct",[5222,18543,5513],{"class":5487},[5222,18545,6395],{"class":5476},[5222,18547,5880],{"class":5487},[5222,18549,18550,18552,18554],{"class":5224,"line":5267},[5222,18551,9425],{"class":5487},[5222,18553,17894],{"class":5483},[5222,18555,9520],{"class":5487},[5197,18557,18558],{},[5132,18559,18560],{},"Приклад 3 — пошук товарів з фільтрацією по категорії та ціні:",[5214,18562,18564],{"className":5792,"code":18563,"language":5795,"meta":5218,"style":5218},"const products = await productRepository\n  .createQueryBuilder('product')\n  .leftJoinAndSelect('product.category', 'category')\n  .where('category.slug = :categorySlug', { categorySlug: 'electronics' })\n  .andWhere('product.price BETWEEN :minPrice AND :maxPrice', { minPrice: 100, maxPrice: 500 })\n  .andWhere('product.stock > :minStock', { minStock: 0 })\n  .orderBy('product.price', 'ASC')\n  .getMany();\n",[5102,18565,18566,18580,18592,18609,18630,18658,18678,18696],{"__ignoreMap":5218},[5222,18567,18568,18570,18573,18575,18577],{"class":5224,"line":5225},[5222,18569,8450],{"class":5476},[5222,18571,18572],{"class":8453}," products",[5222,18574,8456],{"class":5487},[5222,18576,8459],{"class":5802},[5222,18578,18579],{"class":5809}," productRepository\n",[5222,18581,18582,18584,18586,18588,18590],{"class":5224,"line":5231},[5222,18583,9425],{"class":5487},[5222,18585,9428],{"class":5483},[5222,18587,5513],{"class":5487},[5222,18589,17799],{"class":5839},[5222,18591,5880],{"class":5487},[5222,18593,18594,18596,18598,18600,18603,18605,18607],{"class":5224,"line":5237},[5222,18595,9425],{"class":5487},[5222,18597,9442],{"class":5483},[5222,18599,5513],{"class":5487},[5222,18601,18602],{"class":5839},"'product.category'",[5222,18604,5157],{"class":5487},[5222,18606,17634],{"class":5839},[5222,18608,5880],{"class":5487},[5222,18610,18611,18613,18615,18617,18620,18622,18625,18628],{"class":5224,"line":5243},[5222,18612,9425],{"class":5487},[5222,18614,9465],{"class":5483},[5222,18616,5513],{"class":5487},[5222,18618,18619],{"class":5839},"'category.slug = :categorySlug'",[5222,18621,7710],{"class":5487},[5222,18623,18624],{"class":5809},"categorySlug:",[5222,18626,18627],{"class":5839}," 'electronics'",[5222,18629,5948],{"class":5487},[5222,18631,18632,18634,18636,18638,18641,18643,18646,18648,18650,18653,18656],{"class":5224,"line":5249},[5222,18633,9425],{"class":5487},[5222,18635,9486],{"class":5483},[5222,18637,5513],{"class":5487},[5222,18639,18640],{"class":5839},"'product.price BETWEEN :minPrice AND :maxPrice'",[5222,18642,7710],{"class":5487},[5222,18644,18645],{"class":5809},"minPrice:",[5222,18647,6843],{"class":5516},[5222,18649,5157],{"class":5487},[5222,18651,18652],{"class":5809},"maxPrice:",[5222,18654,18655],{"class":5516}," 500",[5222,18657,5948],{"class":5487},[5222,18659,18660,18662,18664,18666,18669,18671,18674,18676],{"class":5224,"line":5255},[5222,18661,9425],{"class":5487},[5222,18663,9486],{"class":5483},[5222,18665,5513],{"class":5487},[5222,18667,18668],{"class":5839},"'product.stock > :minStock'",[5222,18670,7710],{"class":5487},[5222,18672,18673],{"class":5809},"minStock:",[5222,18675,17219],{"class":5516},[5222,18677,5948],{"class":5487},[5222,18679,18680,18682,18684,18686,18689,18691,18694],{"class":5224,"line":5261},[5222,18681,9425],{"class":5487},[5222,18683,9541],{"class":5483},[5222,18685,5513],{"class":5487},[5222,18687,18688],{"class":5839},"'product.price'",[5222,18690,5157],{"class":5487},[5222,18692,18693],{"class":5839},"'ASC'",[5222,18695,5880],{"class":5487},[5222,18697,18698,18700,18702],{"class":5224,"line":5267},[5222,18699,9425],{"class":5487},[5222,18701,9517],{"class":5483},[5222,18703,9520],{"class":5487},[5197,18705,18706],{},[5132,18707,18708],{},"Приклад 4 — підрахунок статистики (агрегація):",[5214,18710,18712],{"className":5792,"code":18711,"language":5795,"meta":5218,"style":5218},"\u002F\u002F Підрахунок кількості постів кожного користувача\nconst userStats = await userRepository\n  .createQueryBuilder('user')\n  .leftJoin('user.posts', 'post')\n  .select('user.id', 'userId')\n  .addSelect('user.name', 'userName')\n  .addSelect('COUNT(post.id)', 'postCount')\n  .addSelect('MAX(post.createdAt)', 'lastPostDate')\n  .groupBy('user.id')\n  .having('COUNT(post.id) > :minPosts', { minPosts: 5 })\n  .getRawMany();\n\nconsole.log(userStats);\n\u002F\u002F [\n\u002F\u002F   { userId: 1, userName: 'Олександр', postCount: '12', lastPostDate: '2026-09-05' },\n\u002F\u002F   { userId: 3, userName: 'Марія', postCount: '8', lastPostDate: '2026-09-04' }\n\u002F\u002F ]\n",[5102,18713,18714,18719,18732,18744,18760,18777,18794,18812,18830,18842,18864,18872,18876,18891,18896,18901,18906],{"__ignoreMap":5218},[5222,18715,18716],{"class":5224,"line":5225},[5222,18717,18718],{"class":5999},"\u002F\u002F Підрахунок кількості постів кожного користувача\n",[5222,18720,18721,18723,18726,18728,18730],{"class":5224,"line":5231},[5222,18722,8450],{"class":5476},[5222,18724,18725],{"class":8453}," userStats",[5222,18727,8456],{"class":5487},[5222,18729,8459],{"class":5802},[5222,18731,9420],{"class":5809},[5222,18733,18734,18736,18738,18740,18742],{"class":5224,"line":5237},[5222,18735,9425],{"class":5487},[5222,18737,9428],{"class":5483},[5222,18739,5513],{"class":5487},[5222,18741,9433],{"class":5839},[5222,18743,5880],{"class":5487},[5222,18745,18746,18748,18750,18752,18754,18756,18758],{"class":5224,"line":5243},[5222,18747,9425],{"class":5487},[5222,18749,9636],{"class":5483},[5222,18751,5513],{"class":5487},[5222,18753,9447],{"class":5839},[5222,18755,5157],{"class":5487},[5222,18757,9452],{"class":5839},[5222,18759,5880],{"class":5487},[5222,18761,18762,18764,18766,18768,18770,18772,18775],{"class":5224,"line":5249},[5222,18763,9425],{"class":5487},[5222,18765,17808],{"class":5483},[5222,18767,5513],{"class":5487},[5222,18769,18493],{"class":5839},[5222,18771,5157],{"class":5487},[5222,18773,18774],{"class":5839},"'userId'",[5222,18776,5880],{"class":5487},[5222,18778,18779,18781,18783,18785,18787,18789,18792],{"class":5224,"line":5255},[5222,18780,9425],{"class":5487},[5222,18782,17826],{"class":5483},[5222,18784,5513],{"class":5487},[5222,18786,18510],{"class":5839},[5222,18788,5157],{"class":5487},[5222,18790,18791],{"class":5839},"'userName'",[5222,18793,5880],{"class":5487},[5222,18795,18796,18798,18800,18802,18805,18807,18810],{"class":5224,"line":5261},[5222,18797,9425],{"class":5487},[5222,18799,17826],{"class":5483},[5222,18801,5513],{"class":5487},[5222,18803,18804],{"class":5839},"'COUNT(post.id)'",[5222,18806,5157],{"class":5487},[5222,18808,18809],{"class":5839},"'postCount'",[5222,18811,5880],{"class":5487},[5222,18813,18814,18816,18818,18820,18823,18825,18828],{"class":5224,"line":5267},[5222,18815,9425],{"class":5487},[5222,18817,17826],{"class":5483},[5222,18819,5513],{"class":5487},[5222,18821,18822],{"class":5839},"'MAX(post.createdAt)'",[5222,18824,5157],{"class":5487},[5222,18826,18827],{"class":5839},"'lastPostDate'",[5222,18829,5880],{"class":5487},[5222,18831,18832,18834,18836,18838,18840],{"class":5224,"line":5273},[5222,18833,9425],{"class":5487},[5222,18835,17881],{"class":5483},[5222,18837,5513],{"class":5487},[5222,18839,18493],{"class":5839},[5222,18841,5880],{"class":5487},[5222,18843,18844,18846,18849,18851,18854,18856,18859,18862],{"class":5224,"line":5278},[5222,18845,9425],{"class":5487},[5222,18847,18848],{"class":5483},"having",[5222,18850,5513],{"class":5487},[5222,18852,18853],{"class":5839},"'COUNT(post.id) > :minPosts'",[5222,18855,7710],{"class":5487},[5222,18857,18858],{"class":5809},"minPosts:",[5222,18860,18861],{"class":5516}," 5",[5222,18863,5948],{"class":5487},[5222,18865,18866,18868,18870],{"class":5224,"line":5284},[5222,18867,9425],{"class":5487},[5222,18869,17894],{"class":5483},[5222,18871,9520],{"class":5487},[5222,18873,18874],{"class":5224,"line":5290},[5222,18875,5557],{"emptyLinePlaceholder":5556},[5222,18877,18878,18880,18882,18884,18886,18889],{"class":5224,"line":5296},[5222,18879,8488],{"class":5809},[5222,18881,5209],{"class":5487},[5222,18883,8493],{"class":5483},[5222,18885,5513],{"class":5487},[5222,18887,18888],{"class":5809},"userStats",[5222,18890,5551],{"class":5487},[5222,18892,18893],{"class":5224,"line":5651},[5222,18894,18895],{"class":5999},"\u002F\u002F [\n",[5222,18897,18898],{"class":5224,"line":5660},[5222,18899,18900],{"class":5999},"\u002F\u002F   { userId: 1, userName: 'Олександр', postCount: '12', lastPostDate: '2026-09-05' },\n",[5222,18902,18903],{"class":5224,"line":5669},[5222,18904,18905],{"class":5999},"\u002F\u002F   { userId: 3, userName: 'Марія', postCount: '8', lastPostDate: '2026-09-04' }\n",[5222,18907,18908],{"class":5224,"line":5675},[5222,18909,18910],{"class":5999},"\u002F\u002F ]\n",[5353,18912,18913,18918,18931],{},[5197,18914,18915],{},[5132,18916,18917],{},"Важливість INNER JOIN vs LEFT JOIN:",[5092,18919,18920,18925],{},[5095,18921,18922,18924],{},[5132,18923,8553],{}," — завантажує батьківські entities навіть якщо зв'язаних дочірніх немає (наприклад, користувачі без постів).",[5095,18926,18927,18930],{},[5132,18928,18929],{},"INNER JOIN"," — завантажує лише батьківські entities, які мають хоча б одну дочірню (лише користувачі з постами).",[5197,18932,18933],{},"Вибір типу JOIN впливає на результат запиту, тому завжди продумуйте логіку фільтрації.",[5184,18935],{},[5187,18937,18939],{"id":18938},"підсумки","Підсумки",[5084,18941,18942,19014,19061],{},[5087,18943,18946],{"icon":18944,"title":18945},"i-lucide-check-circle","✅ Що ми опанували",[5092,18947,18948,18954,18964,18978,18984,18995,19008],{},[5095,18949,18950,18953],{},[5132,18951,18952],{},"Концепцію One-to-Many та Many-to-One:"," Зрозуміли двосторонню природу зв'язків та роль foreign keys у забезпеченні референційної цілісності.",[5095,18955,18956,18963],{},[5132,18957,18958,18959,5105,18961,7301],{},"Декоратори ",[5102,18960,5104],{},[5102,18962,5108],{}," Навчилися оголошувати зв'язки на обох сторонах entity для двонаправленої навігації.",[5095,18965,18966,18969,18970,18972,18973,5105,18975,18977],{},[5132,18967,18968],{},"Налаштування foreign keys:"," Освоїли ",[5102,18971,6343],{},", стратегії ",[5102,18974,6403],{},[5102,18976,6424],{}," для контролю поведінки при видаленні\u002Fоновленні.",[5095,18979,18980,18983],{},[5132,18981,18982],{},"Eager vs Lazy loading:"," Зрозуміли різницю між автоматичним та відкладеним завантаженням зв'язків, їх вплив на продуктивність.",[5095,18985,18986,18989,18990,5105,18992,18994],{},[5132,18987,18988],{},"Уникнення N+1 проблеми:"," Навчилися використовувати ",[5102,18991,8290],{},[5102,18993,9055],{}," для оптимізації запитів.",[5095,18996,18997,19000,19001,5157,19003,5157,19005,19007],{},[5132,18998,18999],{},"Cascade operations:"," Освоїли каскадні операції ",[5102,19002,5156],{},[5102,19004,5160],{},[5102,19006,5163],{}," та їх безпечне використання.",[5095,19009,19010,19013],{},[5132,19011,19012],{},"CRUD операції зі зв'язками:"," Реалізували повний цикл створення, читання, оновлення та видалення зв'язаних entities.",[5087,19015,19018],{"icon":19016,"title":19017},"i-lucide-alert-triangle","⚠️ Важливі застереження",[5092,19019,19020,19031,19040,19048],{},[5095,19021,19022,19027,19028,19030],{},[5132,19023,19024,19026],{},[5102,19025,6640],{}," — небезпечна опція:"," Може призвести до масового видалення даних. Використовуйте ",[5102,19029,6179],{}," на рівні БД замість TypeORM cascade.",[5095,19032,19033,19039],{},[5132,19034,19035,19036,19038],{},"Eager loading на ",[5102,19037,5108],{}," — антипаттерн:"," Завантаження всіх дочірніх entities при кожному запиті погіршує продуктивність. Використовуйте явне завантаження.",[5095,19041,19042,19044,19045,19047],{},[5132,19043,8973],{}," Завжди перевіряйте SQL-запити через ",[5102,19046,10460],{}," у DataSource налаштуваннях.",[5095,19049,19050,19053,19054,19057,19058,19060],{},[5132,19051,19052],{},"Foreign key constraints:"," Обробляйте помилки ",[5102,19055,19056],{},"QueryFailedError"," з кодом ",[5102,19059,13025],{}," для діагностики порушень референційної цілісності.",[5087,19062,19064,19067],{"icon":15,"title":19063},"📚 Що далі",[5197,19065,19066],{},"У наступній лекції ми розглянемо інші типи зв'язків:",[5092,19068,19069,19075,19081,19087],{},[5095,19070,19071,19074],{},[5132,19072,19073],{},"One-to-One:"," зв'язок один-до-одного (наприклад, User → Profile).",[5095,19076,19077,19080],{},[5132,19078,19079],{},"Many-to-Many:"," зв'язок багато-до-багатьох через проміжну таблицю (наприклад, Students ↔ Courses).",[5095,19082,19083,19086],{},[5132,19084,19085],{},"Self-referencing relations:"," зв'язки entity сама з собою (наприклад, ієрархія категорій).",[5095,19088,19089,19092],{},[5132,19090,19091],{},"Polymorphic relations:"," гнучкі зв'язки з різними типами entities (advanced pattern).",[5184,19094],{},[5187,19096,19098],{"id":19097},"запитання-для-самоконтролю","Запитання для самоконтролю",[19100,19101,19102,19124,19154,19224,19424],"accordion",{},[19103,19104,19107,19118],"accordion-item",{"icon":19105,"label":19106},"i-lucide-help-circle","❓ Чому декоратор @OneToMany не створює колонку у базі даних?",[5197,19108,5766,19109,19111,19112,19115,19116,6396],{},[5102,19110,5108],{}," використовується на батьківській entity для зручного доступу до колекції дочірніх entities через TypeScript властивість. Проте сама колонка foreign key зберігається у ",[5132,19113,19114],{},"дочірній"," таблиці (там, де декоратор ",[5102,19117,5104],{},[5197,19119,19120,19121,19123],{},"Батьківська таблиця не потребує додаткової колонки, оскільки зв'язок вже встановлений через foreign key у дочірній таблиці. ",[5102,19122,5108],{}," лише надає TypeORM метадані для побудови JOIN запитів при завантаженні зв'язків.",[19103,19125,19127,19139,19148],{"icon":19105,"label":19126},"❓ Що станеться, якщо забути вказати зворотній callback у @ManyToOne?",[5197,19128,19129,19130,19132,19133,19135,19136,5209],{},"Якщо ви оголосите лише ",[5102,19131,7139],{}," без другого параметра ",[5102,19134,6144],{},", TypeORM не зможе правильно налаштувати ",[5132,19137,19138],{},"двонаправлений зв'язок",[5197,19140,19141,19142,19144,19145,19147],{},"Це призведе до помилок при спробі завантажити зв'язок через ",[5102,19143,6989],{}," на батьківській entity, оскільки TypeORM не знатиме, яка властивість у ",[5102,19146,5852],{}," відповідає за цей зв'язок.",[5197,19149,19150,19153],{},[5132,19151,19152],{},"Правило:"," Завжди вказуйте зворотній callback для двонаправлених зв'язків.",[19103,19155,19157,19164,19188,19195,19214],{"icon":19105,"label":19156},"❓ У чому різниця між onDelete: 'CASCADE' (БД) та cascade: ['remove'] (TypeORM)?",[5197,19158,19159],{},[5132,19160,19161,19163],{},[5102,19162,6179],{}," (на рівні БД):",[5092,19165,19166,19173,19176,19179],{},[5095,19167,19168,19169,19172],{},"Виконується ",[5132,19170,19171],{},"базою даних"," автоматично при видаленні батьківського запису.",[5095,19174,19175],{},"Швидше, оскільки працює на рівні SQL без завантаження entities у TypeORM.",[5095,19177,19178],{},"Атомарно у рамках транзакції БД.",[5095,19180,19181,19182,5157,19185,6396],{},"Не тригерить TypeORM lifecycle hooks (наприклад, ",[5102,19183,19184],{},"@BeforeRemove",[5102,19186,19187],{},"@AfterRemove",[5197,19189,19190],{},[5132,19191,19192,19194],{},[5102,19193,6640],{}," (на рівні TypeORM):",[5092,19196,19197,19205,19208,19211],{},[5095,19198,19168,19199,19202,19203,5209],{},[5132,19200,19201],{},"TypeORM"," у коді застосунку — спочатку завантажуються всі дочірні entities, потім для кожної викликається ",[5102,19204,10483],{},[5095,19206,19207],{},"Повільніше, оскільки потрібно завантажити дані з БД та виконати N додаткових запитів.",[5095,19209,19210],{},"Тригерить lifecycle hooks, що дозволяє додати бізнес-логіку (логування, відправка email).",[5095,19212,19213],{},"Ризик масового видалення великих обсягів даних у циклі.",[5197,19215,19216,11435,19218,19220,19221,19223],{},[5132,19217,9035],{},[5102,19219,6179],{}," на рівні БД для продуктивності, а ",[5102,19222,6640],{}," лише якщо вам потрібні lifecycle hooks.",[19103,19225,19227,19232,19313,19320,19360,19365,19417],{"icon":19105,"label":19226},"❓ Як уникнути N+1 проблеми при завантаженні списку користувачів з їх постами?",[5197,19228,19229],{},[5132,19230,19231],{},"Поганий підхід (N+1 problem):",[5214,19233,19235],{"className":5792,"code":19234,"language":5795,"meta":5218,"style":5218},"const users = await userRepository.find();  \u002F\u002F 1 запит\nfor (const user of users) {\n  const posts = await postRepository.find({ where: { userId: user.id } });  \u002F\u002F N запитів\n}\n",[5102,19236,19237,19258,19274,19309],{"__ignoreMap":5218},[5222,19238,19239,19241,19243,19245,19247,19249,19251,19253,19255],{"class":5224,"line":5225},[5222,19240,8450],{"class":5476},[5222,19242,5484],{"class":8453},[5222,19244,8456],{"class":5487},[5222,19246,8459],{"class":5802},[5222,19248,8462],{"class":5809},[5222,19250,5209],{"class":5487},[5222,19252,10091],{"class":5483},[5222,19254,10094],{"class":5487},[5222,19256,19257],{"class":5999},"\u002F\u002F 1 запит\n",[5222,19259,19260,19262,19264,19266,19268,19270,19272],{"class":5224,"line":5231},[5222,19261,10106],{"class":5802},[5222,19263,5341],{"class":5487},[5222,19265,8450],{"class":5476},[5222,19267,6028],{"class":8453},[5222,19269,10115],{"class":5476},[5222,19271,5484],{"class":5809},[5222,19273,10120],{"class":5487},[5222,19275,19276,19278,19280,19282,19284,19286,19288,19290,19292,19294,19296,19298,19300,19302,19304,19306],{"class":5224,"line":5237},[5222,19277,10125],{"class":5476},[5222,19279,5566],{"class":8453},[5222,19281,8456],{"class":5487},[5222,19283,8459],{"class":5802},[5222,19285,10134],{"class":5809},[5222,19287,5209],{"class":5487},[5222,19289,10091],{"class":5483},[5222,19291,5931],{"class":5487},[5222,19293,8472],{"class":5809},[5222,19295,5806],{"class":5487},[5222,19297,10147],{"class":5809},[5222,19299,6028],{"class":5809},[5222,19301,5209],{"class":5487},[5222,19303,5348],{"class":5809},[5222,19305,10156],{"class":5487},[5222,19307,19308],{"class":5999},"\u002F\u002F N запитів\n",[5222,19310,19311],{"class":5224,"line":5243},[5222,19312,6115],{"class":5487},[5197,19314,19315],{},[5132,19316,19317,19318,7301],{},"Правильний підхід 1 — через ",[5102,19319,8290],{},[5214,19321,19323],{"className":5792,"code":19322,"language":5795,"meta":5218,"style":5218},"const users = await userRepository.find({\n  relations: ['posts'],  \u002F\u002F Один запит з LEFT JOIN\n});\n",[5102,19324,19325,19343,19356],{"__ignoreMap":5218},[5222,19326,19327,19329,19331,19333,19335,19337,19339,19341],{"class":5224,"line":5225},[5222,19328,8450],{"class":5476},[5222,19330,5484],{"class":8453},[5222,19332,8456],{"class":5487},[5222,19334,8459],{"class":5802},[5222,19336,8462],{"class":5809},[5222,19338,5209],{"class":5487},[5222,19340,10091],{"class":5483},[5222,19342,7726],{"class":5487},[5222,19344,19345,19347,19349,19351,19353],{"class":5224,"line":5231},[5222,19346,9128],{"class":5809},[5222,19348,6585],{"class":5487},[5222,19350,5877],{"class":5839},[5222,19352,7262],{"class":5487},[5222,19354,19355],{"class":5999},"\u002F\u002F Один запит з LEFT JOIN\n",[5222,19357,19358],{"class":5224,"line":5237},[5222,19359,9142],{"class":5487},[5197,19361,19362],{},[5132,19363,19364],{},"Правильний підхід 2 — через QueryBuilder:",[5214,19366,19367],{"className":5792,"code":10383,"language":5795,"meta":5218,"style":5218},[5102,19368,19369,19381,19393,19409],{"__ignoreMap":5218},[5222,19370,19371,19373,19375,19377,19379],{"class":5224,"line":5225},[5222,19372,8450],{"class":5476},[5222,19374,5484],{"class":8453},[5222,19376,8456],{"class":5487},[5222,19378,8459],{"class":5802},[5222,19380,9420],{"class":5809},[5222,19382,19383,19385,19387,19389,19391],{"class":5224,"line":5231},[5222,19384,9425],{"class":5487},[5222,19386,9428],{"class":5483},[5222,19388,5513],{"class":5487},[5222,19390,9433],{"class":5839},[5222,19392,5880],{"class":5487},[5222,19394,19395,19397,19399,19401,19403,19405,19407],{"class":5224,"line":5237},[5222,19396,9425],{"class":5487},[5222,19398,9442],{"class":5483},[5222,19400,5513],{"class":5487},[5222,19402,9447],{"class":5839},[5222,19404,5157],{"class":5487},[5222,19406,9452],{"class":5839},[5222,19408,5880],{"class":5487},[5222,19410,19411,19413,19415],{"class":5224,"line":5243},[5222,19412,9425],{"class":5487},[5222,19414,9517],{"class":5483},[5222,19416,9520],{"class":5487},[5197,19418,19419,19420,19423],{},"Обидва підходи виконують ",[5132,19421,19422],{},"один SQL-запит з JOIN"," замість N+1 окремих запитів, що значно покращує продуктивність.",[19103,19425,19427,19437,19458,19462,19481,19487],{"icon":19105,"label":19426},"❓ Коли використовувати nullable: false на @ManyToOne зв'язку?",[5197,19428,19429,19430,19432,19433,19436],{},"Встановлюйте ",[5102,19431,6162],{},", коли ",[5132,19434,19435],{},"дочірня entity не може існувати без батьківської",". Наприклад:",[5092,19438,19439,19446,19452],{},[5095,19440,19441,19442,19445],{},"Пост завжди має автора (",[5102,19443,19444],{},"Post.author"," не може бути NULL).",[5095,19447,19448,19449,19445],{},"Товар завжди належить магазину (",[5102,19450,19451],{},"Product.store",[5095,19453,19454,19455,19445],{},"Коментар завжди прив'язаний до поста (",[5102,19456,19457],{},"Comment.post",[5197,19459,19460],{},[5132,19461,8920],{},[5684,19463,19464,19469,19478],{},[5095,19465,19466,19467,6396],{},"Гарантія референційної цілісності на рівні БД (колонка має constraint ",[5102,19468,5594],{},[5095,19470,19471,19472,19475,19476,5209],{},"Type safety у TypeScript — ",[5102,19473,19474],{},"user.author"," завжди визначений, не потрібні перевірки на ",[5102,19477,12598],{},[5095,19479,19480],{},"Спрощення бізнес-логіки — не потрібно обробляти випадок відсутності зв'язку.",[5197,19482,19483],{},[5132,19484,7787,19485,7301],{},[5102,19486,7868],{},[5092,19488,19489,19492],{},[5095,19490,19491],{},"Якщо зв'язок опціональний (наприклад, пост може існувати без категорії).",[5095,19493,19494,19495,19498],{},"Якщо ви використовуєте ",[5102,19496,19497],{},"onDelete: 'SET NULL'"," (при видаленні батьківської entity foreign key встановлюється у NULL).",[19500,19501,19502],"style",{},"html .light .shiki span {color: var(--shiki-light);background: var(--shiki-light-bg);font-style: var(--shiki-light-font-style);font-weight: var(--shiki-light-font-weight);text-decoration: var(--shiki-light-text-decoration);}html.light .shiki span {color: var(--shiki-light);background: var(--shiki-light-bg);font-style: var(--shiki-light-font-style);font-weight: var(--shiki-light-font-weight);text-decoration: var(--shiki-light-text-decoration);}html .default .shiki span {color: var(--shiki-default);background: var(--shiki-default-bg);font-style: 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.s5IvJ{--shiki-light:#000000;--shiki-default:#C8C8C8;--shiki-dark:#C8C8C8}html pre.shiki code .s-QsJ, html code.shiki .s-QsJ{--shiki-light:#0070C1;--shiki-default:#4FC1FF;--shiki-dark:#4FC1FF}html pre.shiki code .sD7JJ, html code.shiki .sD7JJ{--shiki-light:#000000FF;--shiki-default:#D4D4D4;--shiki-dark:#D4D4D4}",{"title":5218,"searchDepth":5231,"depth":5231,"links":19504},[19505,19510,19518,19526,19533,19539,19547,19557,19564,19571,19576,19577],{"id":5189,"depth":5231,"text":5190,"children":19506},[19507,19508,19509],{"id":5194,"depth":5237,"text":5195},{"id":5370,"depth":5237,"text":5371},{"id":5443,"depth":5237,"text":5444},{"id":5765,"depth":5231,"text":19511,"children":19512},"Декоратор @ManyToOne",[19513,19515,19516],{"id":5771,"depth":5237,"text":19514},"Синтаксис: @ManyToOne(() => ParentEntity)",{"id":6216,"depth":5237,"text":6217},{"id":6347,"depth":5237,"text":19517},"Опції декоратора @ManyToOne",{"id":6649,"depth":5231,"text":19519,"children":19520},"Декоратор @OneToMany",[19521,19523,19524],{"id":6654,"depth":5237,"text":19522},"Синтаксис: @OneToMany(() => ChildEntity, child => child.parent)",{"id":7004,"depth":5237,"text":7005},{"id":7146,"depth":5237,"text":19525},"Опції декоратора @OneToMany",{"id":7323,"depth":5231,"text":7324,"children":19527},[19528,19529,19531],{"id":7327,"depth":5237,"text":7328},{"id":7486,"depth":5237,"text":19530},"Декоратор @JoinColumn() для кастомізації",{"id":7815,"depth":5237,"text":19532},"Опції onDelete та onUpdate",{"id":8272,"depth":5231,"text":8273,"children":19534},[19535,19536,19537,19538],{"id":8276,"depth":5237,"text":8277},{"id":8578,"depth":5237,"text":8579},{"id":8908,"depth":5237,"text":8909},{"id":8990,"depth":5237,"text":8991},{"id":9061,"depth":5231,"text":9062,"children":19540},[19541,19543,19545,19546],{"id":9065,"depth":5237,"text":19542},"Опція relations у find()",{"id":9396,"depth":5237,"text":19544},"leftJoinAndSelect() у QueryBuilder",{"id":9655,"depth":5237,"text":9656},{"id":10052,"depth":5237,"text":10053},{"id":10466,"depth":5231,"text":10467,"children":19548},[19549,19550,19551,19553,19555],{"id":10470,"depth":5237,"text":10471},{"id":10549,"depth":5237,"text":10550},{"id":10615,"depth":5237,"text":19552},"Налаштування cascade: true",{"id":10999,"depth":5237,"text":19554},"Вибірковий cascade: cascade: ['insert', 'update']",{"id":11265,"depth":5237,"text":19556},"Обережність з cascade: ['remove']",{"id":11659,"depth":5231,"text":11660,"children":19558},[19559,19560,19561,19563],{"id":11663,"depth":5237,"text":11664},{"id":11944,"depth":5237,"text":11945},{"id":12302,"depth":5237,"text":19562},"Використання save() для зв'язків",{"id":12651,"depth":5237,"text":12652},{"id":13047,"depth":5231,"text":13048,"children":19565},[19566,19568,19569,19570],{"id":13051,"depth":5237,"text":19567},"Стратегії onDelete",{"id":13517,"depth":5237,"text":13518},{"id":13999,"depth":5237,"text":14000},{"id":14310,"depth":5237,"text":14311},{"id":14448,"depth":5231,"text":14449,"children":19572},[19573,19574,19575],{"id":14452,"depth":5237,"text":14453},{"id":16764,"depth":5237,"text":16765},{"id":18272,"depth":5237,"text":18273},{"id":18938,"depth":5231,"text":18939},{"id":19097,"depth":5231,"text":19098},"md",null,{},{"title":4551,"description":5218},"ToCtLwrSYK_AMNZTzV-P9yVYHxNre6iWn-zO1s-HPog",[19584,19585],{"title":4541,"path":4542,"stem":4543,"description":5218,"children":-1},{"title":4555,"path":4556,"stem":4557,"description":5218,"children":-1},1790366151031]