AngularJS (ES6) filter wrapper for NumberStrings (https://www.npmjs.com/package/numberstrings)

index.js

'use strict';

// Import class
import NumberStrings from 'path/to/numberstrings.filter';

angular.module('appName', [])
  .filter('NumberStrings', () => new NumberStrings()) // Add filter

numberstrings.filter.js

'use strict';

// Require module
var NumberStringsModule = require('numberstrings');

// Setup NumberStrings class
class NumberStrings {
  constructor () {
    // Load module
    var ns = new NumberStringsModule();
    
    return function(input) {
      // Replace commas in input
      input = parseInt(input.replace(/\,/g,''), 10);
      
      // Return formatted number
      return ns.format(input);
    }
  }
}

// Export class
export default NumberStrings;