52 lines
1.5 KiB
TypeScript
52 lines
1.5 KiB
TypeScript
import {
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Map,
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MapWrapper,
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StringMap,
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StringMapWrapper,
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List,
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ListWrapper
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} from 'angular2/src/facade/collection';
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import {isPresent, isBlank, normalizeBlank} from 'angular2/src/facade/lang';
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import {PathRecognizer} from './path_recognizer';
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export class RouteParams {
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constructor(public params: StringMap<string, string>) {}
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get(param: string): string { return normalizeBlank(StringMapWrapper.get(this.params, param)); }
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}
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/**
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* An `Instruction` represents the component hierarchy of the application based on a given route
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*/
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export class Instruction {
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// "capturedUrl" is the part of the URL captured by this instruction
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// "accumulatedUrl" is the part of the URL captured by this instruction and all children
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accumulatedUrl: string;
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reuse: boolean = false;
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specificity: number;
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constructor(public component: any, public capturedUrl: string,
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private _recognizer: PathRecognizer, public child: Instruction = null,
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private _params: StringMap<string, any> = null) {
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this.accumulatedUrl = capturedUrl;
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this.specificity = _recognizer.specificity;
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if (isPresent(child)) {
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this.child = child;
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this.specificity += child.specificity;
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var childUrl = child.accumulatedUrl;
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if (isPresent(childUrl)) {
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this.accumulatedUrl += childUrl;
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}
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}
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}
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params(): StringMap<string, string> {
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if (isBlank(this._params)) {
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this._params = this._recognizer.parseParams(this.capturedUrl);
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}
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return this._params;
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}
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}
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