27 lines
757 B
JavaScript
27 lines
757 B
JavaScript
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import {List, ListWrapper} from 'angular2/src/facade/collection';
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import {isBlank, isPresent, BaseException, CONST} from 'angular2/src/facade/lang';
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import {Pipe} from './pipe';
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export class PipeRegistry {
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config;
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constructor(config){
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this.config = config;
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}
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get(type:string, obj):Pipe {
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var listOfConfigs = this.config[type];
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if (isBlank(listOfConfigs)) {
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throw new BaseException(`Cannot find a pipe for type '${type}' object '${obj}'`);
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}
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var matchingConfig = ListWrapper.find(listOfConfigs,
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(pipeConfig) => pipeConfig["supports"](obj));
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if (isBlank(matchingConfig)) {
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throw new BaseException(`Cannot find a pipe for type '${type}' object '${obj}'`);
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}
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return matchingConfig["pipe"]();
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}
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}
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