1 files changed, 46 insertions, 0 deletions
diff --git a/devtools/client/shared/components/reps/null.js b/devtools/client/shared/components/reps/null.js
new file mode 100644
index 000000000..5de00f026
--- /dev/null
+++ b/devtools/client/shared/components/reps/null.js
@@ -0,0 +1,46 @@
+/* -*- indent-tabs-mode: nil; js-indent-level: 2 -*- */
+/* vim: set ft=javascript ts=2 et sw=2 tw=80: */
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+"use strict";
+
+// Make this available to both AMD and CJS environments
+define(function (require, exports, module) {
+  // Dependencies
+  const React = require("devtools/client/shared/vendor/react");
+
+  // Shortcuts
+  const { span } = React.DOM;
+
+  /**
+   * Renders null value
+   */
+  const Null = React.createClass({
+    displayName: "NullRep",
+
+    render: function () {
+      return (
+        span({className: "objectBox objectBox-null"},
+          "null"
+        )
+      );
+    },
+  });
+
+  function supportsObject(object, type) {
+    if (object && object.type && object.type == "null") {
+      return true;
+    }
+
+    return (object == null);
+  }
+
+  // Exports from this module
+
+  exports.Null = {
+    rep: Null,
+    supportsObject: supportsObject
+  };
+});