1 files changed, 30 insertions, 0 deletions
diff --git a/tools/lint/eslint/.eslintrc.js b/tools/lint/eslint/.eslintrc.js
new file mode 100644
index 0000000000..4a245d9de2
--- /dev/null
+++ b/tools/lint/eslint/.eslintrc.js
@@ -0,0 +1,30 @@
+/* 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";
+
+module.exports = {
+  plugins: ["eslint-plugin"],
+  extends: ["plugin:eslint-plugin/recommended"],
+  // eslint-plugin-mozilla runs under node, so we need a more restrictive
+  // environment / parser setup here than the rest of mozilla-central.
+  env: {
+    browser: false,
+    node: true,
+  },
+  parser: "espree",
+  parserOptions: {
+    ecmaVersion: 12,
+  },
+
+  rules: {
+    camelcase: ["error", { properties: "never" }],
+    "handle-callback-err": ["error", "er"],
+    "no-shadow": "error",
+    "no-undef-init": "error",
+    "one-var": ["error", "never"],
+    strict: ["error", "global"],
+    "eslint-plugin/prefer-message-ids": "off",
+  },
+};