angular2
Version:
Angular 2 - a web framework for modern web apps
32 lines (31 loc) • 894 B
TypeScript
/**
* To create a Pipe, you must implement this interface.
*
* Angular invokes the `transform` method with the value of a binding
* as the first argument, and any parameters as the second argument in list form.
*
* ## Syntax
*
* `value | pipeName[:arg0[:arg1...]]`
*
* ### Example ([live demo](http://plnkr.co/edit/f5oyIked9M2cKzvZNKHV?p=preview))
*
* The `RepeatPipe` below repeats the value as many times as indicated by the first argument:
*
* ```
* import {Pipe, PipeTransform} from 'angular2/core';
*
* @Pipe({name: 'repeat'})
* export class RepeatPipe implements PipeTransform {
* transform(value: any, times: number) {
* return value.repeat(times);
* }
* }
* ```
*
* Invoking `{{ 'ok' | repeat:3 }}` in a template produces `okokok`.
*
*/
export interface PipeTransform {
transform(value: any, ...args: any[]): any;
}