refactor(frontend): boot分割したり副作用減らしたりとか

#10838

packages/frontend/src/stream.ts

@@ -3,6 +3,14 @@ import { markRaw } from 'vue';
 import { $i } from '@/account';
 import { url } from '@/config';
 
-export const stream = markRaw(new Misskey.Stream(url, $i ? {
-	token: $i.token,
-} : null));
+let stream: Misskey.Stream | null = null;
+
+export function useStream(): Misskey.Stream {
+	if (stream) return stream;
+
+	stream = markRaw(new Misskey.Stream(url, $i ? {
+		token: $i.token,
+	} : null));
+
+	return stream;
+}