build(#10336): mock assets

packages/frontend/.storybook/mocks.ts

@@ -0,0 +1,16 @@
+import { type SharedOptions, rest } from 'msw';
+
+export const onUnhandledRequest = ((req, print) => {
+	if (req.url.hostname !== 'localhost' || /^\/(?:client-assets\/|fluent-emojis?\/|iframe.html$|node_modules\/|sb-|static-assets\/|vite\/)/.test(req.url.pathname)) {
+		return
+	}
+	print.warning()
+}) satisfies SharedOptions['onUnhandledRequest'];
+
+export const commonHandlers = [
+	rest.get('/twemoji/:codepoints.svg', async (req, res, ctx) => {
+		const { codepoints } = req.params;
+		const file = await import(`../node_modules/@discordapp/twemoji/dist/svg/${codepoints}.svg?raw`);
+		return res(ctx.set('Content-Type', 'image/svg+xml'), ctx.body(file.default));
+	}),
+];