1 files changed, 39 insertions, 0 deletions
diff --git a/tools/lint/eslint/eslint-plugin-mozilla/lib/rules/no-single-arg-cu-import.js b/tools/lint/eslint/eslint-plugin-mozilla/lib/rules/no-single-arg-cu-import.js
new file mode 100644
index 000000000..b295f3555
--- /dev/null
+++ b/tools/lint/eslint/eslint-plugin-mozilla/lib/rules/no-single-arg-cu-import.js
@@ -0,0 +1,39 @@
+/**
+ * @fileoverview Reject use of single argument Cu.import
+ *
+ * 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";
+
+// -----------------------------------------------------------------------------
+// Rule Definition
+// -----------------------------------------------------------------------------
+
+var helpers = require("../helpers");
+
+module.exports = function(context) {
+
+  // ---------------------------------------------------------------------------
+  // Public
+  //  --------------------------------------------------------------------------
+
+  return {
+    "CallExpression": function(node) {
+      if (node.callee.type === "MemberExpression") {
+        let memexp = node.callee;
+        if (memexp.object.type === "Identifier" &&
+            // Only Cu, not Components.utils; see bug 1230369.
+            memexp.object.name === "Cu" &&
+            memexp.property.type === "Identifier" &&
+            memexp.property.name === "import" &&
+            node.arguments.length === 1) {
+          context.report(node, "Single argument Cu.import exposes new " +
+                               "globals to all modules");
+        }
+      }
+    }
+  };
+};