29 lines
945 B
TypeScript
29 lines
945 B
TypeScript
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import {isBlank, isPresent, BaseException, CONST, Type} from 'angular2/src/facade/lang';
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import {Injectable, OptionalMetadata, SkipSelfMetadata, Binding, Injector, bind} from 'angular2/di';
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import {PipeBinding} from './pipe_binding';
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import * as cd from 'angular2/src/change_detection/pipes';
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export class ProtoPipes {
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/**
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* Map of {@link Pipe} names to {@link Pipe} implementations.
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*/
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config: StringMap<string, PipeBinding> = {};
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constructor(bindings: PipeBinding[]) { bindings.forEach(b => this.config[b.name] = b); }
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get(name: string): PipeBinding {
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var binding = this.config[name];
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if (isBlank(binding)) throw new BaseException(`Cannot find pipe '${name}'.`);
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return binding;
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}
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}
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export class Pipes implements cd.Pipes {
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constructor(public proto: ProtoPipes, public injector: Injector) {}
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get(name: string): any {
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var b = this.proto.get(name);
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return this.injector.instantiateResolved(b);
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}
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}
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