Bump to v4.0.0.

isMatch.js

@@ -0,0 +1,30 @@
+var baseIsMatch = require('./internal/baseIsMatch'),
+    getMatchData = require('./internal/getMatchData');
+
+/**
+ * Performs a deep comparison between `object` and `source` to determine if
+ * `object` contains equivalent property values.
+ *
+ * **Note:** This method supports comparing the same values as `_.isEqual`.
+ *
+ * @static
+ * @memberOf _
+ * @category Lang
+ * @param {Object} object The object to inspect.
+ * @param {Object} source The object of property values to match.
+ * @returns {boolean} Returns `true` if `object` is a match, else `false`.
+ * @example
+ *
+ * var object = { 'user': 'fred', 'age': 40 };
+ *
+ * _.isMatch(object, { 'age': 40 });
+ * // => true
+ *
+ * _.isMatch(object, { 'age': 36 });
+ * // => false
+ */
+function isMatch(object, source) {
+  return object === source || baseIsMatch(object, source, getMatchData(source));
+}
+
+module.exports = isMatch;