25 lines
		
	
	
		
			596 B
		
	
	
	
		
			TypeScript
		
	
	
	
	
	
			
		
		
	
	
			25 lines
		
	
	
		
			596 B
		
	
	
	
		
			TypeScript
		
	
	
	
	
	
import {Component} from 'angular2/core';
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import {Pipe, PipeTransform} from 'angular2/core';
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// #docregion pipe
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// Pure pipe
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@Pipe({ name: 'randomizer' })
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export class RandomizerPipe implements PipeTransform {
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  // Impure function
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  transform() { return Math.random() * 10 ;}
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}
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// #enddocregion pipe
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@Component({
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  selector: 'random-pipe',
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  template: `
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  <h2>Random Pipe (pure pipe/impure function)</h2>
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  <input #box (input)="0">
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  <p>Input value: {{box.value}}</p>
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  <p>Random pipe output: {{box.value | randomizer}}</p>
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  `,
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  pipes: [RandomizerPipe]
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})
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export class RandomPipeComponent {
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}
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