lodash/internal/toPath.js

define(['./baseToString', '../lang/isArray'], function(baseToString, isArray) {

  /** Used to match property names within property paths. */
  var rePropName = /[^.[\]]+|\[(?:(-?\d+(?:\.\d+)?)|(["'])((?:(?!\2)[^\n\\]|\\.)*?)\2)\]/g;

  /** Used to match backslashes in property paths. */
  var reEscapeChar = /\\(\\)?/g;

  /**
   * Converts `value` to property path array if it's not one.
   *
   * @private
   * @param {*} value The value to process.
   * @returns {Array} Returns the property path array.
   */
  function toPath(value) {
    if (isArray(value)) {
      return value;
    }
    var result = [];
    baseToString(value).replace(rePropName, function(match, number, quote, string) {
      result.push(quote ? string.replace(reEscapeChar, '$1') : (number || match));
    });
    return result;
  }

  return toPath;
});