Function flushSync

packages/cli/src/telemetry/client.ts:151–170

()

 * so the parent process exits immediately without waiting.
 */
export function flushSync(): void {
  const payload = drainQueueToPayload();
  if (payload == null) return;

  try {
    const { spawn } = require("node:child_process") as typeof import("node:child_process");
    const child = spawn(
      process.execPath,
      [
        "-e",
        `fetch(${JSON.stringify(`${POSTHOG_HOST}/batch/`)},{method:"POST",headers:{"Content-Type":"application/json"},body:${JSON.stringify(payload)},signal:AbortSignal.timeout(${FLUSH_TIMEOUT_MS})}).catch(()=>{})`,
      ],
      { detached: true, stdio: "ignore" },
    );
    // Let the parent exit without waiting for the child
    child.unref();
  } catch {
    // Silently ignore
  }
}

/**
 * Show the first-run telemetry notice if it hasn't been shown yet.