1 files changed, 26 insertions, 0 deletions
diff --git a/browser/components/newtab/lib/PersonalityProvider/PersonalityProvider.worker.mjs b/browser/components/newtab/lib/PersonalityProvider/PersonalityProvider.worker.mjs
new file mode 100644
index 0000000000..49797f4f2b
--- /dev/null
+++ b/browser/components/newtab/lib/PersonalityProvider/PersonalityProvider.worker.mjs
@@ -0,0 +1,26 @@
+/* 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/. */
+
+import { PersonalityProviderWorker } from "resource://activity-stream/lib/PersonalityProvider/PersonalityProviderWorkerClass.mjs";
+
+import { PromiseWorker } from "resource://gre/modules/workers/PromiseWorker.mjs";
+
+const personalityProviderWorker = new PersonalityProviderWorker();
+
+// This is boiler plate worker stuff that connects it to the main thread PromiseWorker.
+const worker = new PromiseWorker.AbstractWorker();
+worker.dispatch = function (method, args = []) {
+  return personalityProviderWorker[method](...args);
+};
+worker.postMessage = function (message, ...transfers) {
+  self.postMessage(message, ...transfers);
+};
+worker.close = function () {
+  self.close();
+};
+
+self.addEventListener("message", msg => worker.handleMessage(msg));
+self.addEventListener("unhandledrejection", function (error) {
+  throw error.reason;
+});