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-rw-r--r--tools/lint/eslint/eslint-plugin-mozilla/lib/rules/no-single-arg-cu-import.js39
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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
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index 000000000..b295f3555
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+++ 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");
+ }
+ }
+ }
+ };
+};