1 files changed, 8 insertions, 0 deletions
diff --git a/testing/xpcshell/node-ws/browser.js b/testing/xpcshell/node-ws/browser.js
new file mode 100644
index 0000000000..ca4f628ac1
--- /dev/null
+++ b/testing/xpcshell/node-ws/browser.js
@@ -0,0 +1,8 @@
+'use strict';
+
+module.exports = function () {
+  throw new Error(
+    'ws does not work in the browser. Browser clients must use the native ' +
+      'WebSocket object'
+  );
+};