docs(API): 翻译 ng_module
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Zhicheng Wang
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f7541dda47
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4fc343f796
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@ -16,11 +16,17 @@ import {TypeDecorator, makeDecorator} from '../util/decorators';
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/**
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* Represents the expansion of an `NgModule` into its scopes.
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*
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* 表示要将 `NgModule` 扩展到其范围中。
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*
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* A scope is a set of directives and pipes that are visible in a particular context. Each
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* `NgModule` has two scopes. The `compilation` scope is the set of directives and pipes that will
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* be recognized in the templates of components declared by the module. The `exported` scope is the
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* set of directives and pipes exported by a module (that is, module B's exported scope gets added
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* to module A's compilation scope when module A imports B).
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*
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* 范围是指一组在特定上下文中可见的指令和管道。每个 `NgModule` 具有两种范围。
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* `compilation` 范围是指能在当前模块的组件模板中识别的指令和管道。
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* `exported` 范围是指当前模块中导出的指令和管道（也就是说，如果模块 A 引入了模块 B，那么模块 B 的范围就会合并到模块 A 的编译范围中）。
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*/
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export interface NgModuleTransitiveScopes {
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compilation: {directives: Set<any>; pipes: Set<any>;};
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@ -30,42 +36,68 @@ export interface NgModuleTransitiveScopes {
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/**
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* A version of {@link NgModuleDef} that represents the runtime type shape only, and excludes
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* metadata parameters.
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*
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* 一个 {@link NgModuleDef} 版本只表示其运行时形态，而不包括元数据中的各个参数。
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*/
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export type NgModuleDefInternal<T> = NgModuleDef<T, any, any, any>;
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/**
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* Runtime link information for NgModules.
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*
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* NgModule 的运行时链接信息。
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*
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* This is the internal data structure used by the runtime to assemble components, directives,
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* pipes, and injectors.
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*
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* 这是在运行期间装配组件、指令、管道和注入器时所需的内部数据结构。
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*
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* NOTE: Always use `defineNgModule` function to create this object,
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* never create the object directly since the shape of this object
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* can change between versions.
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*
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* 注意：总是使用 `defineNgModule` 函数来创建该对象，永远不要直接创建它，因为该对象的结构在不同版本间可能会不一样。
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*/
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export interface NgModuleDef<T, Declarations, Imports, Exports> {
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/** Token representing the module. Used by DI. */
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/** Token representing the module. Used by DI.
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*
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* 用于表示该模块的一个令牌。供 DI 系统使用。
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*/
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type: T;
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/** List of components to bootstrap. */
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/** List of components to bootstrap.
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*
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* 列出用于引导的组件。
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*/
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bootstrap: Type<any>[];
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/** List of components, directives, and pipes declared by this module. */
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/** List of components, directives, and pipes declared by this module.
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*
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* 列出本模块中声明的组件、指令和管道。
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*/
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declarations: Type<any>[];
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/** List of modules or `ModuleWithProviders` imported by this module. */
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/** List of modules or `ModuleWithProviders` imported by this module.
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*
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* 列出被本模块导入的模块或 `ModuleWithProviders`。
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*/
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imports: Type<any>[];
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/**
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* List of modules, `ModuleWithProviders`, components, directives, or pipes exported by this
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* module.
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*
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* 列出本模块导出的模块、`ModuleWithProviders`、组件、指令或管道。
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*/
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exports: Type<any>[];
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/**
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* Cached value of computed `transitiveCompileScopes` for this module.
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*
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* 本模块的 `transitiveCompileScopes` 计算结果的缓存值。
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*
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* This should never be read directly, but accessed via `transitiveScopesFor`.
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*
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* 永远不要直接使用它，而是通过 `transitiveScopesFor` 来访问。
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*/
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transitiveCompileScopes: NgModuleTransitiveScopes|null;
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}
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@ -73,8 +105,12 @@ export interface NgModuleDef<T, Declarations, Imports, Exports> {
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/**
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* A wrapper around an NgModule that associates it with the providers.
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*
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* 对 NgModule 及其相关 providers 的包装。
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*
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* @param T the module type. In Ivy applications, this must be explicitly
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* provided.
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*
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* 模块类型。在 Ivy 应用中，它必须显式提供。
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*/
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export interface ModuleWithProviders<T = any> {
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ngModule: Type<T>;
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@ -83,21 +119,35 @@ export interface ModuleWithProviders<T = any> {
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/**
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* A schema definition associated with an NgModule.
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*
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*
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* 与 NgModule 相关的 schema（HTML架构）定义。
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*
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* @see `@NgModule`, `CUSTOM_ELEMENTS_SCHEMA`, `NO_ERRORS_SCHEMA`
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*
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*
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* @param name The name of a defined schema.
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*
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* 已定义的 schema 的名字。
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*
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* @experimental
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*/
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export interface SchemaMetadata { name: string; }
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/**
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* Defines a schema that allows an NgModule to contain the following:
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*
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* 定义一个 schema，它允许 NgModule 包含下列内容：
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*
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* - Non-Angular elements named with dash case (`-`).
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*
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* 中线格式（`-`）的非 Angular 元素名。
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*
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* - Element properties named with dash case (`-`).
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*
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* 中线格式（`-`）的元素属性名。
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*
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* Dash case is the naming convention for custom elements.
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*
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* 中线格式是对自定义元素的命名约定。
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*
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*/
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export const CUSTOM_ELEMENTS_SCHEMA: SchemaMetadata = {
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@ -107,6 +157,8 @@ export const CUSTOM_ELEMENTS_SCHEMA: SchemaMetadata = {
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/**
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* Defines a schema that allows any property on any element.
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*
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* 定义了一个允许任何元素上的任何属性的 schema。
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*
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* @experimental
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*/
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export const NO_ERRORS_SCHEMA: SchemaMetadata = {
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@ -118,10 +170,13 @@ export const NO_ERRORS_SCHEMA: SchemaMetadata = {
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* Type of the NgModule decorator / constructor function.
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*
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*
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* NgModule 装饰器和构造函数的类型。
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*/
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export interface NgModuleDecorator {
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/**
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* Marks a class as an NgModule and supplies configuration metadata.
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*
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* 把一个类标记为 NgModule，并提供配置元数据。
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*/
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(obj?: NgModule): TypeDecorator;
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new (obj?: NgModule): NgModule;
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@ -130,13 +185,16 @@ export interface NgModuleDecorator {
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/**
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* Type of the NgModule metadata.
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*
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* NgModule 元数据的类型。
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*
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*/
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export interface NgModule {
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/**
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* The set of injectable objects that are available in the injector
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* of this module.
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*
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*
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* 在当前模块的注入器中可用的一组可注入对象。
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*
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* @see [Dependency Injection guide](guide/dependency-injection)
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* @see [NgModule guide](guide/providers)
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*
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@ -146,19 +204,32 @@ export interface NgModule {
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* into any component, directive, pipe or service that is a child of this injector.
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* The NgModule used for bootstrapping uses the root injector, and can provide dependencies
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* to any part of the app.
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*
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*
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* 在这里列出了提供商的依赖项可用于注入到任何组件、指令、管道或该注入器下的服务。
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* 引导用的 NgModule 使用的是根注入器，可以为应用中的任何部件提供依赖。
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*
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* A lazy-loaded module has its own injector, typically a child of the app root injector.
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* Lazy-loaded services are scoped to the lazy-loaded module's injector.
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* If a lazy-loaded module also provides the `UserService`, any component created
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* within that module's context (such as by router navigation) gets the local instance
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* of the service, not the instance in the root injector.
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* of the service, not the instance in the root injector.
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* Components in external modules continue to receive the instance provided by their injectors.
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*
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*
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* 惰性加载的模块有自己的注入器，通常它是根注入器的一个子注入器。
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* 惰性加载的服务，其作用范围局限于这个惰性加载模块的注入器。
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* 如果惰性加载模块也提供了 `UserService`，则任何在该模块的上下文中创建的组件（比如通过路由导航）都会获得该服务的一个局部实例，
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* 而不是根注入器中的全局实例。
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* 而外部模块中的组件仍然会使用由它们的注入器提供的实例。
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*
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* ### Example
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*
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* ### 范例
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*
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* The following example defines a class that is injected in
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* the HelloWorld NgModule:
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*
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* 下面的例子定义了一个类，它被注册在 HelloWorld 这个 NgModule 的注入器下：
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*
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* ```
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* class Greeter {
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* greet(name:string) {
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@ -186,20 +257,32 @@ export interface NgModule {
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* The set of components, directives, and pipes ([declarables](guide/glossary#declarable))
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* that belong to this module.
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*
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* 属于该模块的一组组件、指令和管道（统称[可声明对象](guide/glossary#declarable)）。
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*
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* @usageNotes
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*
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* The set of selectors that are available to a template include those declared here, and
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* those that are exported from imported NgModules.
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*
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* 在模板中可用的选择器（selector）包括那些直接声明在这里的可声明对象和导入的那些 NgModule 中所导出的可声明对象。
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*
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* Declarables must belong to exactly one module.
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* The compiler emits an error if you try to declare the same class in more than one module.
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* Be careful not to declare a class that is imported from another module.
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*
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* 可声明对象必须属于也只能属于一个模块。
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* 如果你尝试把同一个类声明在多个模块中，那么编译器就会报错。
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* 要注意不能声明那些从其它模块中导入的类。
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*
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* ### Example
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*
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* ### 范例
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*
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* The following example allows the CommonModule to use the `NgFor`
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* directive.
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*
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* 下面的例子允许 CommonModule 使用 `NgFor` 指令。
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*
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* ```javascript
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* @NgModule({
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* declarations: [NgFor]
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@ -214,6 +297,8 @@ export interface NgModule {
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* The set of NgModules whose exported [declarables](guide/glossary#declarable)
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* are available to templates in this module.
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*
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* 这里列出的 NgModule 所导出的[可声明对象](guide/glossary#declarable)可用在当前模块内的模板中。
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*
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* @usageNotes
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*
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* A template can use exported declarables from any
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@ -223,11 +308,18 @@ export interface NgModule {
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* it, which makes the declarables from `ModuleB` available
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* wherever `ModuleA` is imported.
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*
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* 模板可以使用来自任何导入模块中所导出的可声明对象，包括它们从别的模块导入后重新导出的。
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* 例如，`ModuleA` 导入了 `ModuleB` 并导出了它，就会让 `ModuleB` 中的可声明对象也同样在那些导入了 `ModuleA` 的模块中可用。
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*
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* ### Example
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*
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* ### 范例
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*
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* The following example allows MainModule to use anthing exported by
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* `CommonModule`:
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*
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* 下列例子允许 `MainModule` 使用 `CommonModule` 中导入的任意可声明对象：
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*
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* ```javascript
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* @NgModule({
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* imports: [CommonModule]
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@ -244,23 +336,37 @@ export interface NgModule {
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* NgModule that can be used in the template of any component that is part of an
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* NgModule that imports this NgModule. Exported declarations are the module's public API.
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*
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* 此 NgModule 中声明的一组组件、指令和管道可以在导入了本模块的模块下任何组件的模板中使用。
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* 导出的这些可声明对象就是该模块的公共 API。
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*
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* A declarable belongs to one and only one NgModule.
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* A module can list another module among its exports, in which case all of that module's
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* public declaration are exported.
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*
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* 可声明对象应该且只能属于一个 NgModule。
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* 一个模块可以列出在它的 `exports` 中列出一些其它模块，这些模块中所有公开的可声明对象也同样会导出。
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*
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* @usageNotes
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*
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* Declarations are private by default.
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* If this ModuleA does not export UserComponent, then only the components within this
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* ModuleA can use UserComponent.
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*
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* 默认情况下，可声明对象是私有的。
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*
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* ModuleA can import ModuleB and also export it, making exports from ModuleB
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* available to an NgModule that imports ModuleA.
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*
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* 导出具有传递性。ModuleA 可以导入 ModuleB 并将其导出，这会让所有 ModuleB 中的导出同样可用在导入了 ModuleA 的那些模块中。
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*
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* ### Example
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*
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* ### 范例
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*
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* The following example exports the `NgFor` directive from CommonModule.
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*
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* 下面的例子导出了来自 `CommonModule` 的 `NgFor` 指令。
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*
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* ```javascript
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* @NgModule({
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* exports: [NgFor]
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@ -275,14 +381,21 @@ export interface NgModule {
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* The set of components to compile when this NgModule is defined,
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* so that they can be dynamically loaded into the view.
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*
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* 定义此 NgModule 中要编译的组件集，这样它们才可以动态加载到视图中。
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*
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* For each component listed here, Angular creates a `ComponentFactory`
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* and stores it in the `ComponentFactoryResolver`.
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*
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* 对于在这里列出的每个组件，Angular 都会为其创建一个 `ComponentFactory`，并将其保存到 `ComponentFactoryResolver` 中。
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*
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* Angular automatically adds components in the module's bootstrap
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* and route definitions into the `entryComponents` list. Use this
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* option to add components that are bootstrapped
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* using one of the imperative techniques, such as `ViewContainerRef.createComponent()`.
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*
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* Angular 会自动把模块的 `bootstrap`（引导模块）和路由定义中引用的组件添加到 `entryComponents` 列表中。
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* 该选项用于添加那些需要写代码来创建的组件，比如 `ViewContainerRef.createComponent()`。
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*
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* @see [Entry Components](guide/entry-components)
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*/
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entryComponents?: Array<Type<any>|any[]>;
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@ -291,6 +404,8 @@ export interface NgModule {
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* The set of components that are bootstrapped when
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* this module is bootstrapped. The components listed here
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* are automatically added to `entryComponents`.
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*
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* 当该模块引导时需要进行引导的组件。列在这里的所有组件都会自动添加到 `entryComponents` 中。
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*/
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bootstrap?: Array<Type<any>|any[]>;
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@ -299,10 +414,17 @@ export interface NgModule {
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* Elements and properties that are neither Angular components nor directives
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* must be declared in a schema.
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*
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* 该 NgModule 中允许使用的声明元素的 schema（HTML 架构）。
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* 元素和属性（无论是 Angular 组件还是指令）都必须声明在 schema 中。
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*
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* Allowed value are `NO_ERRORS_SCHEMA` and `CUSTOM_ELEMENTS_SCHEMA`.
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*
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* 允许的取值包括 `NO_ERRORS_SCHEMA` 和 `CUSTOM_ELEMENTS_SCHEMA`。
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*
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* @security When using one of `NO_ERRORS_SCHEMA` or `CUSTOM_ELEMENTS_SCHEMA`
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* you must ensure that allowed elements and properties securely escape inputs.
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*
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* 当使用 `NO_ERRORS_SCHEMA` 或 `CUSTOM_ELEMENTS_SCHEMA` 之一时，你必须确保所允许的元素和属性的所有输入都经过了安全转义。
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*/
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schemas?: Array<SchemaMetadata|any[]>;
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@ -310,6 +432,9 @@ export interface NgModule {
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* A name or path that uniquely identifies this NgModule in `getModuleFactory`.
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* If left `undefined`, the NgModule is not registered with
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* `getModuleFactory`.
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*
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* 当前 NgModule 在 `getModuleFactory` 中的名字或唯一标识符。
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* 如果为 `undefined`，则该模块不会被注册进 `getModuleFactory` 中。
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*/
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id?: string;
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@ -317,7 +442,11 @@ export interface NgModule {
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* If true, this module will be skipped by the AOT compiler and so will always be compiled
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* using JIT.
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*
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* 如果为 `true`，则该模块将会被 AOT 编译器忽略，因此永远不会用 JIT 编译它。
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*
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* This exists to support future Ivy work and has no effect currently.
|
||||
*
|
||||
* 这是为了支持未来的 Ivy 渲染器，目前没什么用。
|
||||
*/
|
||||
jit?: true;
|
||||
}
|
||||
|
|
@ -339,16 +468,27 @@ function preR3NgModuleCompile(moduleType: InjectorType<any>, metadata: NgModule)
|
|||
* @Annotation
|
||||
*/
|
||||
export const NgModule: NgModuleDecorator = makeDecorator(
|
||||
'NgModule', (ngModule: NgModule) => ngModule, undefined, undefined,
|
||||
/**
|
||||
* Decorator that marks the following class as an NgModule, and supplies
|
||||
* configuration metadata for it.
|
||||
*
|
||||
* * The `declarations` and `entryComponents` options configure the compiler
|
||||
* with information about what belongs to the NgModule.
|
||||
* * The `providers` options configures the NgModule's injector to provide
|
||||
* dependencies the NgModule members.
|
||||
* * The `imports` and `exports` options bring in members from other modules, and make
|
||||
* this module's members available to others.
|
||||
*/
|
||||
(type: Type<any>, meta: NgModule) => (R3_COMPILE_NGMODULE || preR3NgModuleCompile)(type, meta));
|
||||
'NgModule', (ngModule: NgModule) => ngModule, undefined, undefined,
|
||||
/**
|
||||
* Decorator that marks the following class as an NgModule, and supplies
|
||||
* configuration metadata for it.
|
||||
*
|
||||
* 一个装饰器，用于把当前类标记为一个 NgModule，并为之提供配置元数据。
|
||||
*
|
||||
* * The `declarations` and `entryComponents` options configure the compiler
|
||||
* with information about what belongs to the NgModule.
|
||||
*
|
||||
* `declarations` 和 `entryComponents` 选项告诉编译器，哪些东西是属于本 NgModule 的。
|
||||
*
|
||||
* * The `providers` options configures the NgModule's injector to provide
|
||||
* dependencies the NgModule members.
|
||||
*
|
||||
* `providers` 选项会配置该 NgModule 的注入器，以便为该 NgModule 的所有成员提供依赖项。
|
||||
*
|
||||
* * The `imports` and `exports` options bring in members from other modules, and make
|
||||
* this module's members available to others.
|
||||
*
|
||||
* `imports` 选项用于从其它模块中带入成员，`exports` 选项用于把本模块的成员带给其它模块。
|
||||
*
|
||||
*/
|
||||
(type: Type<any>, meta: NgModule) => (R3_COMPILE_NGMODULE || preR3NgModuleCompile)(type, meta));
|
||||
|
|
|
|||
Loading…
Reference in New Issue