Bump to v4.0.0.

internal/baseConforms.js

@@ -0,0 +1,36 @@
+define(['../keys'], function(keys) {
+
+  /** Used as a safe reference for `undefined` in pre-ES5 environments. */
+  var undefined;
+
+  /**
+   * The base implementation of `_.conforms` which doesn't clone `source`.
+   *
+   * @private
+   * @param {Object} source The object of property predicates to conform to.
+   * @returns {Function} Returns the new function.
+   */
+  function baseConforms(source) {
+    var props = keys(source),
+        length = props.length;
+
+    return function(object) {
+      if (object == null) {
+        return !length;
+      }
+      var index = length;
+      while (index--) {
+        var key = props[index],
+            predicate = source[key],
+            value = object[key];
+
+        if ((value === undefined && !(key in Object(object))) || !predicate(value)) {
+          return false;
+        }
+      }
+      return true;
+    };
+  }
+
+  return baseConforms;
+});