feat: add WebView support for extension (#1359)

pkg/download/engine/polyfill/src/abort/index.js

@@ -0,0 +1,2 @@
+import "../event/index.js";
+import "abortcontroller-polyfill/dist/abortcontroller-polyfill-only.js";

pkg/download/engine/polyfill/src/event/index.js

@@ -0,0 +1,9 @@
+import { Event, EventTarget } from "event-target-shim";
+
+if (typeof globalThis.Event !== "function") {
+  globalThis.Event = Event;
+}
+
+if (typeof globalThis.EventTarget !== "function") {
+  globalThis.EventTarget = EventTarget;
+}

pkg/download/engine/polyfill/src/index.js

@@ -1,5 +1,7 @@
+import "./event/index.js"
+import "./abort/index.js"
 import "./blob/index.js"
 import "./crypto/index.js"
 // polyfill TextEncoder
 import 'fastestsmallesttextencoderdecoder';
-import "./fetch/index.js"
+import "./fetch/index.js"