index.js

export default function (Vue) {
  Vue.nF = {

    /* Add Commas */
    numberToFormat(number, decimals, decPoint, thousandsSep) {
      number = (number + '').replace(/[^0-9+\-Ee.]/g, '');
      let n = !isFinite(+number) ? 0 : +number;
      let prec = !isFinite(+decimals) ? 0 : Math.abs(decimals);
      let sep = (typeof thousandsSep === 'undefined') ? ',' : thousandsSep;
      let dec = (typeof decPoint === 'undefined') ? '.' : decPoint;
      let s = '';
      let toFixedFix = function (n, prec) {
        let k = Math.pow(10, prec);
        return '' + (Math.round(n * k) / k)
            .toFixed(prec)
      };
      // @todo: for IE parseFloat(0.55).toFixed(0) = 0;
      s = (prec ? toFixedFix(n, prec) : '' + Math.round(n)).split('.');
      if (s[0].length > 3) {
        s[0] = s[0].replace(/\B(?=(?:\d{3})+(?!\d))/g, sep)
      }
      if ((s[1] || '').length < prec) {
        s[1] = s[1] || '';
        s[1] += new Array(prec - s[1].length + 1).join('0')
      }
      return s.join(dec)
    },

    /* Remove Commas */
    removeCommasAmount(number) {
      return number.replace(/,/g,'')
    }

  };

  Object.defineProperties(Vue.prototype, {
    $nF : {
      get() {
        return Vue.nF;
      }
    }
  })

}