format stripe currency.ts

/* eslint-disable @typescript-eslint/ban-ts-comment */
function number_format(number, decimals, decPoint, thousandsSep) {
  // eslint-disable-line camelcase
  number = (number + '').replace(/[^0-9+\-Ee.]/g, '');
  const n = !isFinite(+number) ? 0 : +number;
  const prec = !isFinite(+decimals) ? 0 : Math.abs(decimals);
  const sep = typeof thousandsSep === 'undefined' ? ',' : thousandsSep;
  const dec = typeof decPoint === 'undefined' ? '.' : decPoint;
  let s = '';

  const toFixedFix = function (n, prec) {
    if (('' + n).indexOf('e') === -1) {
      //@ts-ignore
      return +(Math.round(n + 'e+' + prec) + 'e-' + prec);
    } else {
      const arr = ('' + n).split('e');
      let sig = '';
      if (+arr[1] + prec > 0) {
        sig = '+';
      }
      return (
        (+(
          //@ts-ignore
          (Math.round(+arr[0] + 'e' + sig + (+arr[1] + prec)) + 'e-' + prec)
        )).toFixed(prec)
      );
    }
  };

  // @todo: for IE parseFloat(0.55).toFixed(0) = 0;
  //@ts-ignore
  s = (prec ? toFixedFix(n, prec).toString() : '' + Math.round(n)).split('.');
  if (s[0].length > 3) {
    //@ts-ignore
    s[0] = s[0].replace(/\B(?=(?:\d{3})+(?!\d))/g, sep);
  }
  if ((s[1] || '').length < prec) {
    //@ts-ignore
    s[1] = s[1] || '';
    //@ts-ignore
    s[1] += new Array(prec - s[1].length + 1).join('0');
  }
  //@ts-ignore
  return s.join(dec);
}

export function formatCurrency(value, currency) {
  let result = 0.0;
  if (
    ['bif', 'clp', 'djf', 'gnf', 'jpy', 'kmf', 'krw', 'vnd'].includes(currency)
  ) {
    result = number_format(Math.ceil(value), 0, '', '');
  } else {
    result = number_format(value * 100, 0, '', '');
  }
  return result;
}