Is there any angular date ago pipe?

I'm trying to create post sharing web site. I want to create date ago pipe in angular.

import {Pipe, PipeTransform} from 'angular2/core';

@Pipe({
name: 'messageTime',
pure: false
})
export class MessageTimePipe implements PipeTransform {
transform(value: Date, []): string {
var result: string;

// current time
let now = new Date().getTime();

// time since message was sent in seconds
let delta = (now - value.getTime()) / 1000;

// format string
if (delta < 10) {
result = 'jetzt';
} else if (delta < 60) { // sent in last minute
result = 'vor ' + Math.floor(delta) + ' Sekunden';
} else if (delta < 3600) { // sent in last hour
result = 'vor ' + Math.floor(delta / 60) + ' Minuten';
} else if (delta < 86400) { // sent on last day
result = 'vor ' + Math.floor(delta / 3600) + ' Stunden';
} else { // sent more than one day ago
result = 'vor ' + Math.floor(delta / 86400) + ' Tagen';
}

return result;
}enter code here
}


I trying like above code in my project. But it doesn't work corectly.

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