Bump to v4.1.0.

_basePullAt.js

@@ -0,0 +1,49 @@
+var baseToPath = require('./_baseToPath'),
+    isIndex = require('./_isIndex'),
+    isKey = require('./_isKey'),
+    last = require('./last'),
+    parent = require('./_parent');
+
+/** Used for built-in method references. */
+var arrayProto = global.Array.prototype;
+
+/** Built-in value references. */
+var splice = arrayProto.splice;
+
+/**
+ * The base implementation of `_.pullAt` without support for individual
+ * indexes or capturing the removed elements.
+ *
+ * @private
+ * @param {Array} array The array to modify.
+ * @param {number[]} indexes The indexes of elements to remove.
+ * @returns {Array} Returns `array`.
+ */
+function basePullAt(array, indexes) {
+  var length = array ? indexes.length : 0,
+      lastIndex = length - 1;
+
+  while (length--) {
+    var index = indexes[length];
+    if (lastIndex == length || index != previous) {
+      var previous = index;
+      if (isIndex(index)) {
+        splice.call(array, index, 1);
+      }
+      else if (!isKey(index, array)) {
+        var path = baseToPath(index),
+            object = parent(array, path);
+
+        if (object != null) {
+          delete object[last(path)];
+        }
+      }
+      else {
+        delete array[index];
+      }
+    }
+  }
+  return array;
+}
+
+module.exports = basePullAt;