Bump to v3.0.0.

internal/baseAt.js

@@ -0,0 +1,32 @@
+import isIndex from './isIndex';
+import isLength from './isLength';
+
+/**
+ * The base implementation of `_.at` without support for strings and individual
+ * key arguments.
+ *
+ * @private
+ * @param {Array|Object} collection The collection to iterate over.
+ * @param {number[]|string[]} [props] The property names or indexes of elements to pick.
+ * @returns {Array} Returns the new array of picked elements.
+ */
+function baseAt(collection, props) {
+  var index = -1,
+      length = collection.length,
+      isArr = isLength(length),
+      propsLength = props.length,
+      result = Array(propsLength);
+
+  while(++index < propsLength) {
+    var key = props[index];
+    if (isArr) {
+      key = parseFloat(key);
+      result[index] = isIndex(key, length) ? collection[key] : undefined;
+    } else {
+      result[index] = collection[key];
+    }
+  }
+  return result;
+}
+
+export default baseAt;