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baseLocationService.ts
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baseLocationService.ts
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import { deregAll, isDefined, LocationServices, removeFrom, root } from '../common';
import { Disposable } from '../interface';
import { UIRouter } from '../router';
import { HistoryLike, LocationLike } from './interface';
import { buildUrl, getParams, parseUrl } from './utils';
/** A base `LocationServices` */
export abstract class BaseLocationServices implements LocationServices, Disposable {
private _listeners: Function[] = [];
_location: LocationLike;
_history: HistoryLike;
_listener = (evt) => this._listeners.forEach((cb) => cb(evt));
constructor(router: UIRouter, public fireAfterUpdate: boolean) {
this._location = root.location;
this._history = root.history;
}
/**
* This should return the current internal URL representation.
*
* The internal URL includes only the portion that UI-Router matches.
* It does not include:
* - protocol
* - server
* - port
* - base href or hash
*/
protected abstract _get(): string;
/**
* This should set the current URL.
*
* The `url` param should include only the portion that UI-Router matches on.
* It should not include:
* - protocol
* - server
* - port
* - base href or hash
*
* However, after this function completes, the browser URL should reflect the entire (fully qualified)
* HREF including those data.
*/
protected abstract _set(state: any, title: string, url: string, replace: boolean);
hash = () => parseUrl(this._get()).hash;
path = () => parseUrl(this._get()).path;
search = () => getParams(parseUrl(this._get()).search);
url(url?: string, replace = true): string {
if (isDefined(url) && url !== this._get()) {
this._set(null, null, url, replace);
if (this.fireAfterUpdate) {
this._listeners.forEach((cb) => cb({ url }));
}
}
return buildUrl(this);
}
onChange(cb: EventListener) {
this._listeners.push(cb);
return () => removeFrom(this._listeners, cb);
}
dispose(router: UIRouter) {
deregAll(this._listeners);
}
}