Function invert

MathBox/mathbox-bundle.js:37333–37344

* Creates an object composed of the inverted keys and values of the given object. * * @static * @memberOf _ * @category Objects * @param {Object} object The object to invert. * @returns {Object} Returns the created inverted object. * @example * * _.invert

(object)

     * // => { 'fred': 'first', 'barney': 'second' }
     */
    function invert(object) {
      var index = -1,
          props = keys(object),
          length = props.length,
          result = {};

      while (++index < length) {
        var key = props[index];
        result[object[key]] = key;
      }
      return result;
    }

    /**
     * Checks if `value` is a boolean value.