19 lines
493 B
TypeScript
19 lines
493 B
TypeScript
// #docregion
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import {Pipe, PipeTransform} from 'angular2/core';
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/*
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* Raise the value exponentially
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* Takes an exponent argument that defaults to 1.
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* Usage:
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* value | exponentialStrength:exponent
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* Example:
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* {{ 2 | exponentialStrength:10}}
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* formats to: 1024
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*/
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@Pipe({name: 'exponentialStrength'})
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export class ExponentialStrengthPipe implements PipeTransform {
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transform(value:number, args:string[]) : any {
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return Math.pow(value, parseInt(args[0] || '1', 10));
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}
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}
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