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feat(router): update router to support lazy loading

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This commit is contained in:
vsavkin
2016-05-03 16:45:30 -07:00
parent c0cfd3c6ed
commit 0f1465b899
5 changed files with 43 additions and 24 deletions
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14
modules/@angular/core/src/linker/component_resolver.ts
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@ -1,4 +1,4 @@
import {Type, isBlank, stringify} from '../../src/facade/lang';
import {Type, isBlank, isString, stringify} from '../../src/facade/lang';
import {BaseException} from '../../src/facade/exceptions';
import {PromiseWrapper} from '../../src/facade/async';
import {reflector} from '../reflection/reflection';
@ -10,7 +10,7 @@ import {Injectable} from '../di/decorators';
* can later be used to create and render a Component instance.
*/
export abstract class ComponentResolver {
abstract resolveComponent(componentType: Type): Promise<ComponentFactory<any>>;
abstract resolveComponent(component: Type|string): Promise<ComponentFactory<any>>;
abstract clearCache();
}
@ -20,12 +20,16 @@ function _isComponentFactory(type: any): boolean {
@Injectable()
export class ReflectorComponentResolver extends ComponentResolver {
resolveComponent(componentType: Type): Promise<ComponentFactory<any>> {
var metadatas = reflector.annotations(componentType);
resolveComponent(component: Type|string): Promise<ComponentFactory<any>> {
if (isString(component)) {
return PromiseWrapper.reject(new BaseException(`Cannot resolve component using '${component}'.`), null);
}
var metadatas = reflector.annotations(<Type>component);
var componentFactory = metadatas.find(_isComponentFactory);
if (isBlank(componentFactory)) {
throw new BaseException(`No precompiled component ${stringify(componentType)} found`);
throw new BaseException(`No precompiled component ${stringify(component)} found`);
}
return PromiseWrapper.resolve(componentFactory);
}