vanilla javascript version of lodash get

get.js

/**
 * The behaves the same as the lodash version https://www.npmjs.com/package/lodash.get
 *
 * Source: https://github.com/you-dont-need/You-Dont-Need-Lodash-Underscore#_get
 */
const get = (obj, path, defaultValue = undefined) => {
  const travel = regexp =>
    String.prototype.split
      .call(path, regexp)
      .filter(Boolean)
      .reduce((res, key) => (res !== null && res !== undefined ? res[key] : res), obj);
  const result = travel(/[,[\]]+?/) || travel(/[,[\].]+?/);
  return result === undefined || result === obj ? defaultValue : result;
};