1 files changed, 45 insertions, 0 deletions
diff --git a/tools/lint/eslint/eslint-plugin-mozilla/lib/rules/use-services.js b/tools/lint/eslint/eslint-plugin-mozilla/lib/rules/use-services.js
new file mode 100644
index 0000000000..1235cd0f99
--- /dev/null
+++ b/tools/lint/eslint/eslint-plugin-mozilla/lib/rules/use-services.js
@@ -0,0 +1,45 @@
+/**
+ * @fileoverview Require use of Services.* rather than getService.
+ *
+ * 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";
+const helpers = require("../helpers");
+
+let servicesInterfaceMap = helpers.servicesData;
+
+// -----------------------------------------------------------------------------
+// Rule Definition
+// -----------------------------------------------------------------------------
+module.exports = function(context) {
+  // ---------------------------------------------------------------------------
+  // Public
+  //  --------------------------------------------------------------------------
+  return {
+    CallExpression(node) {
+      if (
+        !node.callee ||
+        !node.callee.property ||
+        node.callee.property.type != "Identifier" ||
+        node.callee.property.name != "getService" ||
+        node.arguments.length != 1 ||
+        !node.arguments[0].property ||
+        node.arguments[0].property.type != "Identifier" ||
+        !node.arguments[0].property.name ||
+        !(node.arguments[0].property.name in servicesInterfaceMap)
+      ) {
+        return;
+      }
+
+      let serviceName = servicesInterfaceMap[node.arguments[0].property.name];
+
+      context.report(
+        node,
+        `Use Services.${serviceName} rather than getService().`
+      );
+    },
+  };
+};