1 files changed, 44 insertions, 0 deletions
diff --git a/tools/lint/eslint/eslint-plugin-mozilla/lib/rules/use-console-createInstance.js b/tools/lint/eslint/eslint-plugin-mozilla/lib/rules/use-console-createInstance.js
new file mode 100644
index 0000000000..72add0ab24
--- /dev/null
+++ b/tools/lint/eslint/eslint-plugin-mozilla/lib/rules/use-console-createInstance.js
@@ -0,0 +1,44 @@
+/**
+ * @fileoverview Reject use of Console.sys.mjs and Log.sys.mjs.
+ *
+ * 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 = {
+  meta: {
+    docs: {
+      url: "https://firefox-source-docs.mozilla.org/code-quality/lint/linters/eslint-plugin-mozilla/rules/use-console-createInstance.html",
+    },
+    messages: {
+      useConsoleRatherThanModule:
+        "Use console.createInstance rather than {{module}}",
+    },
+    schema: [],
+    type: "suggestion",
+  },
+
+  create(context) {
+    return {
+      Literal(node) {
+        if (typeof node.value != "string") {
+          return;
+        }
+        /* eslint-disable mozilla/use-console-createInstance */
+        if (
+          node.value == "resource://gre/modules/Console.sys.mjs" ||
+          node.value == "resource://gre/modules/Log.sys.mjs"
+        ) {
+          context.report({
+            node,
+            messageId: "useConsoleRatherThanModule",
+            data: { module: node.value.split("/").at(-1) },
+          });
+        }
+      },
+    };
+  },
+};