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Viewing file:     rtrim.js (935 B)      -rw-r--r--

"use strict";

Object.defineProperty(exports, "__esModule", {
  value: true
});
exports.default = rtrim;

var _assertString = _interopRequireDefault(require("./util/assertString"));

function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }

function rtrim(str, chars) {
  (0, _assertString.default)(str);

  if (chars) {
    // https://developer.mozilla.org/en-US/docs/Web/JavaScript/Guide/Regular_Expressions#Escaping
    var pattern = new RegExp("[".concat(chars.replace(/[.*+?^${}()|[\]\\]/g, '\\$&'), "]+$"), 'g');
    return str.replace(pattern, '');
  } // Use a faster and more safe than regex trim method https://blog.stevenlevithan.com/archives/faster-trim-javascript


  var strIndex = str.length - 1;

  while (/\s/.test(str.charAt(strIndex))) {
    strIndex -= 1;
  }

  return str.slice(0, strIndex + 1);
}

module.exports = exports.default;
module.exports.default = exports.default;