Bump to v4.0.0.

omit.js

@@ -0,0 +1,30 @@
+define(['./internal/arrayMap', './internal/baseDifference', './internal/baseFlatten', './internal/basePick', './keysIn', './rest'], function(arrayMap, baseDifference, baseFlatten, basePick, keysIn, rest) {
+
+  /**
+   * The opposite of `_.pick`; this method creates an object composed of the
+   * own and inherited enumerable properties of `object` that are not omitted.
+   *
+   * @static
+   * @memberOf _
+   * @category Object
+   * @param {Object} object The source object.
+   * @param {...(string|string[])} [props] The property names to omit, specified
+   *  individually or in arrays..
+   * @returns {Object} Returns the new object.
+   * @example
+   *
+   * var object = { 'a': 1, 'b': '2', 'c': 3 };
+   *
+   * _.omit(object, ['a', 'c']);
+   * // => { 'b': '2' }
+   */
+  var omit = rest(function(object, props) {
+    if (object == null) {
+      return {};
+    }
+    props = arrayMap(baseFlatten(props), String);
+    return basePick(object, baseDifference(keysIn(object), props));
+  });
+
+  return omit;
+});