164 lines
6.5 KiB
TypeScript
164 lines
6.5 KiB
TypeScript
import {COMMON_DIRECTIVES, COMMON_PIPES} from '@angular/common';
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import {COMPILER_PROVIDERS, CompilerConfig, XHR} from '@angular/compiler';
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import {ApplicationRef, ComponentRef, PLATFORM_DIRECTIVES, PLATFORM_PIPES, ReflectiveInjector, Type, coreLoadAndBootstrap} from '@angular/core';
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import {BROWSER_APP_PROVIDERS, WORKER_APP_APPLICATION_PROVIDERS, WORKER_SCRIPT, WORKER_UI_APPLICATION_PROVIDERS, browserPlatform, workerAppPlatform, workerUiPlatform} from '@angular/platform-browser';
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import {ReflectionCapabilities, reflector} from './core_private';
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import {PromiseWrapper} from './src/facade/async';
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import {isPresent} from './src/facade/lang';
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import {CachedXHR} from './src/xhr/xhr_cache';
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import {XHRImpl} from './src/xhr/xhr_impl';
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export const BROWSER_APP_COMPILER_PROVIDERS: Array<any /*Type | Provider | any[]*/> = [
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COMPILER_PROVIDERS, {
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provide: CompilerConfig,
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useFactory: (platformDirectives: any[], platformPipes: any[]) => {
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return new CompilerConfig({platformDirectives, platformPipes});
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},
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deps: [PLATFORM_DIRECTIVES, PLATFORM_PIPES]
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},
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{provide: XHR, useClass: XHRImpl},
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{provide: PLATFORM_DIRECTIVES, useValue: COMMON_DIRECTIVES, multi: true},
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{provide: PLATFORM_PIPES, useValue: COMMON_PIPES, multi: true}
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];
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export const CACHED_TEMPLATE_PROVIDER: Array<any /*Type | Provider | any[]*/> =
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[{provide: XHR, useClass: CachedXHR}];
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/**
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* Bootstrapping for Angular applications.
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*
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* You instantiate an Angular application by explicitly specifying a component to use
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* as the root component for your application via the `bootstrap()` method.
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*
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* ## Simple Example
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*
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* Assuming this `index.html`:
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*
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* ```html
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* <html>
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* <!-- load Angular script tags here. -->
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* <body>
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* <my-app>loading...</my-app>
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* </body>
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* </html>
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* ```
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*
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* An application is bootstrapped inside an existing browser DOM, typically `index.html`.
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* Unlike Angular 1, Angular 2 does not compile/process providers in `index.html`. This is
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* mainly for security reasons, as well as architectural changes in Angular 2. This means
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* that `index.html` can safely be processed using server-side technologies such as
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* providers. Bindings can thus use double-curly `{{ syntax }}` without collision from
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* Angular 2 component double-curly `{{ syntax }}`.
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*
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* We can use this script code:
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*
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* {@example core/ts/bootstrap/bootstrap.ts region='bootstrap'}
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*
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* When the app developer invokes `bootstrap()` with the root component `MyApp` as its
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* argument, Angular performs the following tasks:
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*
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* 1. It uses the component's `selector` property to locate the DOM element which needs
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* to be upgraded into the angular component.
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* 2. It creates a new child injector (from the platform injector). Optionally, you can
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* also override the injector configuration for an app by invoking `bootstrap` with the
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* `componentInjectableBindings` argument.
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* 3. It creates a new `Zone` and connects it to the angular application's change detection
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* domain instance.
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* 4. It creates an emulated or shadow DOM on the selected component's host element and loads the
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* template into it.
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* 5. It instantiates the specified component.
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* 6. Finally, Angular performs change detection to apply the initial data providers for the
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* application.
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*
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*
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* ## Bootstrapping Multiple Applications
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*
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* When working within a browser window, there are many singleton resources: cookies, title,
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* location, and others. Angular services that represent these resources must likewise be
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* shared across all Angular applications that occupy the same browser window. For this
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* reason, Angular creates exactly one global platform object which stores all shared
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* services, and each angular application injector has the platform injector as its parent.
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*
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* Each application has its own private injector as well. When there are multiple
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* applications on a page, Angular treats each application injector's services as private
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* to that application.
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*
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* ## API
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*
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* - `appComponentType`: The root component which should act as the application. This is
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* a reference to a `Type` which is annotated with `@Component(...)`.
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* - `customProviders`: An additional set of providers that can be added to the
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* app injector to override default injection behavior.
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*
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* Returns a `Promise` of {@link ComponentRef}.
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*/
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export function bootstrap(
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appComponentType: Type,
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customProviders?: Array<any /*Type | Provider | any[]*/>): Promise<ComponentRef<any>> {
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reflector.reflectionCapabilities = new ReflectionCapabilities();
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let providers = [
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BROWSER_APP_PROVIDERS, BROWSER_APP_COMPILER_PROVIDERS,
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isPresent(customProviders) ? customProviders : []
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];
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var appInjector = ReflectiveInjector.resolveAndCreate(providers, browserPlatform().injector);
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return coreLoadAndBootstrap(appComponentType, appInjector);
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}
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/**
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* @experimental
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*/
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export function bootstrapWorkerUi(
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workerScriptUri: string,
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customProviders?: Array<any /*Type | Provider | any[]*/>): Promise<ApplicationRef> {
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var app = ReflectiveInjector.resolveAndCreate(
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[
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WORKER_UI_APPLICATION_PROVIDERS, BROWSER_APP_COMPILER_PROVIDERS,
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{provide: WORKER_SCRIPT, useValue: workerScriptUri},
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isPresent(customProviders) ? customProviders : []
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],
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workerUiPlatform().injector);
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// Return a promise so that we keep the same semantics as Dart,
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// and we might want to wait for the app side to come up
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// in the future...
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return PromiseWrapper.resolve(app.get(ApplicationRef));
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}
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/**
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* @experimental
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*/
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const WORKER_APP_COMPILER_PROVIDERS: Array<any /*Type | Provider | any[]*/> = [
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COMPILER_PROVIDERS, {
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provide: CompilerConfig,
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useFactory: (platformDirectives: any[], platformPipes: any[]) => {
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return new CompilerConfig({platformDirectives, platformPipes});
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},
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deps: [PLATFORM_DIRECTIVES, PLATFORM_PIPES]
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},
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{provide: XHR, useClass: XHRImpl},
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{provide: PLATFORM_DIRECTIVES, useValue: COMMON_DIRECTIVES, multi: true},
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{provide: PLATFORM_PIPES, useValue: COMMON_PIPES, multi: true}
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];
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/**
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* @experimental
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*/
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export function bootstrapWorkerApp(
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appComponentType: Type,
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customProviders?: Array<any /*Type | Provider | any[]*/>): Promise<ComponentRef<any>> {
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var appInjector = ReflectiveInjector.resolveAndCreate(
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[
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WORKER_APP_APPLICATION_PROVIDERS, WORKER_APP_COMPILER_PROVIDERS,
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isPresent(customProviders) ? customProviders : []
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],
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workerAppPlatform().injector);
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return coreLoadAndBootstrap(appComponentType, appInjector);
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}
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