ionic-framework/tooling/generators/pipe/pipe.tmpl.js

The ionic-framework package comes with both Javascript and Sass frontend dependencies, located in the root of the package, and a Node API, located in `tooling/`.

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

/*
  Generated class for the <%= jsClassName %> pipe.

  See https://angular.io/docs/ts/latest/guide/pipes.html for more info on
  Angular 2 Pipes.
*/
@Pipe({
  name: '<%= fileName %>'
})
@Injectable()
export class <%= jsClassName %> {
  /*
    Takes a value and makes it lowercase.
   */
  transform(value, args) {
    value = value + ''; // make sure it's a string
    return value.toLowerCase();
  }
}