angular-cn/modules/@angular/router/src/shared.ts

70 lines
1.6 KiB
TypeScript

/**
* @license
* Copyright Google Inc. All Rights Reserved.
*
* Use of this source code is governed by an MIT-style license that can be
* found in the LICENSE file at https://angular.io/license
*/
import {Route, UrlMatchResult} from './config';
import {UrlSegment, UrlSegmentGroup} from './url_tree';
/**
* @whatItDoes Name of the primary outlet.
*
* @stable
*/
export const PRIMARY_OUTLET = 'primary';
/**
* A collection of parameters.
*
* @stable
*/
export type Params = {
[key: string]: any
};
export class NavigationCancelingError extends Error {
public stack: any;
constructor(public message: string) {
super(message);
this.stack = (<any>new Error(message)).stack;
}
toString(): string { return this.message; }
}
export function defaultUrlMatcher(
segments: UrlSegment[], segmentGroup: UrlSegmentGroup, route: Route): UrlMatchResult {
const path = route.path;
const parts = path.split('/');
const posParams: {[key: string]: UrlSegment} = {};
const consumed: UrlSegment[] = [];
let currentIndex = 0;
for (let i = 0; i < parts.length; ++i) {
if (currentIndex >= segments.length) return null;
const current = segments[currentIndex];
const p = parts[i];
const isPosParam = p.startsWith(':');
if (!isPosParam && p !== current.path) return null;
if (isPosParam) {
posParams[p.substring(1)] = current;
}
consumed.push(current);
currentIndex++;
}
if (route.pathMatch === 'full' &&
(segmentGroup.hasChildren() || currentIndex < segments.length)) {
return null;
} else {
return {consumed, posParams};
}
}