angular2
Version:
Angular 2 - a web framework for modern web apps
40 lines • 5.04 kB
JavaScript
var __decorate = (this && this.__decorate) || function (decorators, target, key, desc) {
var c = arguments.length, r = c < 3 ? target : desc === null ? desc = Object.getOwnPropertyDescriptor(target, key) : desc, d;
if (typeof Reflect === "object" && typeof Reflect.decorate === "function") r = Reflect.decorate(decorators, target, key, desc);
else for (var i = decorators.length - 1; i >= 0; i--) if (d = decorators[i]) r = (c < 3 ? d(r) : c > 3 ? d(target, key, r) : d(target, key)) || r;
return c > 3 && r && Object.defineProperty(target, key, r), r;
};
var __metadata = (this && this.__metadata) || function (k, v) {
if (typeof Reflect === "object" && typeof Reflect.metadata === "function") return Reflect.metadata(k, v);
};
import { Injectable } from 'angular2/src/core/di';
import { isBlank, stringify } from 'angular2/src/facade/lang';
import { BaseException } from 'angular2/src/facade/exceptions';
import { PromiseWrapper } from 'angular2/src/facade/async';
import { reflector } from 'angular2/src/core/reflection/reflection';
import { ComponentFactory } from './component_factory';
/**
* Low-level service for loading {@link ComponentFactory}s, which
* can later be used to create and render a Component instance.
*/
export class ComponentResolver {
}
function _isComponentFactory(type) {
return type instanceof ComponentFactory;
}
export let ReflectorComponentResolver = class ReflectorComponentResolver extends ComponentResolver {
resolveComponent(componentType) {
var metadatas = reflector.annotations(componentType);
var componentFactory = metadatas.find(_isComponentFactory);
if (isBlank(componentFactory)) {
throw new BaseException(`No precompiled component ${stringify(componentType)} found`);
}
return PromiseWrapper.resolve(componentFactory);
}
clearCache() { }
};
ReflectorComponentResolver = __decorate([
Injectable(),
__metadata('design:paramtypes', [])
], ReflectorComponentResolver);
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