1 files changed, 50 insertions, 0 deletions
diff --git a/tools/lint/eslint/eslint-plugin-mozilla/lib/rules/import-browser-window-globals.js b/tools/lint/eslint/eslint-plugin-mozilla/lib/rules/import-browser-window-globals.js
new file mode 100644
index 0000000000..5ab19a2b0a
--- /dev/null
+++ b/tools/lint/eslint/eslint-plugin-mozilla/lib/rules/import-browser-window-globals.js
@@ -0,0 +1,50 @@
+/**
+ * @fileoverview For scripts included in browser-window, this will automatically
+ *               inject the browser-window global scopes into the file.
+ *
+ * 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";
+
+var path = require("path");
+var helpers = require("../helpers");
+var browserWindowEnv = require("../environments/browser-window");
+
+module.exports = {
+  // This rule currently has no messages.
+  // eslint-disable-next-line eslint-plugin/prefer-message-ids
+  meta: {
+    docs: {
+      url: "https://firefox-source-docs.mozilla.org/code-quality/lint/linters/eslint-plugin-mozilla/import-browser-window-globals.html",
+    },
+    schema: [],
+    type: "problem",
+  },
+
+  create(context) {
+    return {
+      Program(node) {
+        let filePath = helpers.getAbsoluteFilePath(context);
+        let relativePath = path.relative(helpers.rootDir, filePath);
+        // We need to translate the path on Windows, due to the change
+        // from \ to /, and browserjsScripts assumes Posix.
+        if (path.win32) {
+          relativePath = relativePath.split(path.sep).join("/");
+        }
+
+        if (browserWindowEnv.browserjsScripts?.includes(relativePath)) {
+          for (let global in browserWindowEnv.globals) {
+            helpers.addVarToScope(
+              global,
+              context.getScope(),
+              browserWindowEnv.globals[global]
+            );
+          }
+        }
+      },
+    };
+  },
+};