1 files changed, 10 insertions, 0 deletions
diff --git a/dom/indexedDB/test/service_worker.js b/dom/indexedDB/test/service_worker.js
new file mode 100644
index 000000000..eb8fd7f66
--- /dev/null
+++ b/dom/indexedDB/test/service_worker.js
@@ -0,0 +1,10 @@
+onmessage = function(e) {
+  self.clients.matchAll().then(function(res) {
+    if (!res.length) {
+      dump("Error: no clients are currently controlled.\n");
+      return;
+    }
+    res[0].postMessage(indexedDB ? { available: true } :
+                                   { available: false });
+  });
+};