1 files changed, 33 insertions, 0 deletions
diff --git a/tools/lint/eslint/eslint-plugin-mozilla/lib/rules/no-task.js b/tools/lint/eslint/eslint-plugin-mozilla/lib/rules/no-task.js
new file mode 100644
index 0000000000..2bab6e8742
--- /dev/null
+++ b/tools/lint/eslint/eslint-plugin-mozilla/lib/rules/no-task.js
@@ -0,0 +1,33 @@
+/**
+ * @fileoverview Reject common XPCOM methods called with useless optional
+ *               parameters, or non-existent parameters.
+ *
+ * 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
+// -----------------------------------------------------------------------------
+
+module.exports = function(context) {
+  // ---------------------------------------------------------------------------
+  // Public
+  //  --------------------------------------------------------------------------
+
+  return {
+    CallExpression(node) {
+      let callee = node.callee;
+      if (
+        callee.type === "MemberExpression" &&
+        callee.object.type === "Identifier" &&
+        callee.object.name === "Task"
+      ) {
+        context.report({ node, message: "Task.jsm is deprecated." });
+      }
+    },
+  };
+};