angular2
Version:
Angular 2 - a web framework for modern web apps
20 lines • 3.22 kB
JavaScript
import { isPresent } from 'angular2/src/facade/lang';
import { RouteData, BLANK_ROUTE_DATA } from './instruction';
export class AsyncRouteHandler {
constructor(_loader, data = null) {
this._loader = _loader;
/** @internal */
this._resolvedComponent = null;
this.data = isPresent(data) ? new RouteData(data) : BLANK_ROUTE_DATA;
}
resolveComponentType() {
if (isPresent(this._resolvedComponent)) {
return this._resolvedComponent;
}
return this._resolvedComponent = this._loader().then((componentType) => {
this.componentType = componentType;
return componentType;
});
}
}
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