Function sleep

test/proxyGeminiE2E.test.js:22–22

(ms)

const enc = new TextEncoder();
const sse = (parts) => new ReadableStream({ start(c) { for (const p of parts) c.enqueue(enc.encode(p)); c.close(); } });
const sleep = (ms) => new Promise((r) => setTimeout(r, ms));

// Mock Gemini upstream, faithful to Google's behavior:
//  - :streamGenerateContent?alt=sse  -> SSE (text/event-stream)