angular2
Version:
Angular 2 - a web framework for modern web apps
45 lines (44 loc) • 1.72 kB
JavaScript
import { EventEmitter, ObservableWrapper } from 'angular2/src/facade/async';
import { LocationStrategy } from 'angular2/src/router/location_strategy';
export class MockLocationStrategy extends LocationStrategy {
constructor() {
super();
this.internalBaseHref = '/';
this.internalPath = '/';
this.internalTitle = '';
this.urlChanges = [];
/** @internal */
this._subject = new EventEmitter();
}
simulatePopState(url) {
this.internalPath = url;
ObservableWrapper.callEmit(this._subject, null);
}
path() { return this.internalPath; }
prepareExternalUrl(internal) {
if (internal.startsWith('/') && this.internalBaseHref.endsWith('/')) {
return this.internalBaseHref + internal.substring(1);
}
return this.internalBaseHref + internal;
}
simulateUrlPop(pathname) {
ObservableWrapper.callEmit(this._subject, { 'url': pathname });
}
pushState(ctx, title, path, query) {
this.internalTitle = title;
var url = path + (query.length > 0 ? ('?' + query) : '');
this.internalPath = url;
var external = this.prepareExternalUrl(url);
this.urlChanges.push(external);
}
onPopState(fn) { ObservableWrapper.subscribe(this._subject, fn); }
getBaseHref() { return this.internalBaseHref; }
back() {
if (this.urlChanges.length > 0) {
this.urlChanges.pop();
var nextUrl = this.urlChanges.length > 0 ? this.urlChanges[this.urlChanges.length - 1] : '';
this.simulatePopState(nextUrl);
}
}
forward() { throw 'not implemented'; }
}