Bump to v4.0.0.

internal/baseInvoke.js

@@ -0,0 +1,28 @@
+define(['./apply', './baseToPath', './isKey', '../last', './parent'], function(apply, baseToPath, isKey, last, parent) {
+
+  /** Used as a safe reference for `undefined` in pre-ES5 environments. */
+  var undefined;
+
+  /**
+   * The base implementation of `_.invoke` without support for individual
+   * method arguments.
+   *
+   *
+   * @private
+   * @param {Object} object The object to query.
+   * @param {Array|string} path The path of the method to invoke.
+   * @param {Array} args The arguments to invoke the method with.
+   * @returns {*} Returns the result of the invoked method.
+   */
+  function baseInvoke(object, path, args) {
+    if (!isKey(path, object)) {
+      path = baseToPath(path);
+      object = parent(object, path);
+      path = last(path);
+    }
+    var func = object == null ? object : object[path];
+    return func == null ? undefined : apply(func, object, args);
+  }
+
+  return baseInvoke;
+});