--- /dev/null
+var LazyWrapper = require('./_LazyWrapper'),
+ LodashWrapper = require('./_LodashWrapper'),
+ baseAt = require('./_baseAt'),
+ baseFlatten = require('./_baseFlatten'),
+ isIndex = require('./_isIndex'),
+ rest = require('./rest'),
+ thru = require('./thru');
+
+/**
+ * This method is the wrapper version of `_.at`.
+ *
+ * @name at
+ * @memberOf _
+ * @category Seq
+ * @param {...(string|string[])} [paths] The property paths of elements to pick,
+ * specified individually or in arrays.
+ * @returns {Object} Returns the new `lodash` wrapper instance.
+ * @example
+ *
+ * var object = { 'a': [{ 'b': { 'c': 3 } }, 4] };
+ *
+ * _(object).at(['a[0].b.c', 'a[1]']).value();
+ * // => [3, 4]
+ *
+ * _(['a', 'b', 'c']).at(0, 2).value();
+ * // => ['a', 'c']
+ */
+var wrapperAt = rest(function(paths) {
+ paths = baseFlatten(paths);
+ var length = paths.length,
+ start = length ? paths[0] : 0,
+ value = this.__wrapped__,
+ interceptor = function(object) { return baseAt(object, paths); };
+
+ if (length > 1 || this.__actions__.length || !(value instanceof LazyWrapper) || !isIndex(start)) {
+ return this.thru(interceptor);
+ }
+ value = value.slice(start, +start + (length ? 1 : 0));
+ value.__actions__.push({ 'func': thru, 'args': [interceptor], 'thisArg': undefined });
+ return new LodashWrapper(value, this.__chain__).thru(function(array) {
+ if (length && !array.length) {
+ array.push(undefined);
+ }
+ return array;
+ });
+});
+
+module.exports = wrapperAt;