Function baseFind

lib/web/jshint.js:3483–3492

* The base implementation of `_.find`, `_.findLast`, `_.findKey`, and `_.findLastKey`, * without support for callback shorthands and `this` binding, which iterates * over `collection` using the provided `eachFunc`. * * @private * @param {Array|Object|string} collection The c

(collection, predicate, eachFunc, retKey)

     * @returns {*} Returns the found element or its key, else `undefined`.
     */
    function baseFind(collection, predicate, eachFunc, retKey) {
      var result;
      eachFunc(collection, function(value, key, collection) {
        if (predicate(value, key, collection)) {
          result = retKey ? key : value;
          return false;
        }
      });
      return result;
    }

    /**
     * The base implementation of `_.flatten` with added support for restricting