Function performLogin

packages/cli/src/commands/auth.ts:111–190

(openBrowser = true)

}

export async function performLogin(openBrowser = true): Promise<string | null> {
  const spinner = ora("Preparing login...").start();

  let authorization;
  try {
    authorization = await startDeviceAuthorization(baseUrl, CLI_CLIENT_ID);
  } catch (error) {
    spinner.fail(pc.red("Login failed"));
    if (error instanceof Error) console.error(pc.red(error.message));
    return null;
  }

  spinner.stop();

  console.log(
    renderDeviceCodeBox(
      authorization.user_code,
      authorization.verification_uri,
      authorization.verification_uri_complete
    )
  );

  const target = authorization.verification_uri_complete ?? authorization.verification_uri;
  if (openBrowser) {
    await waitForEnter("Press Enter to open the browser, or Ctrl-C to quit...");
    try {
      await open(target);
    } catch {
      console.log(pc.dim(`  Couldn't open a browser — visit the link above manually.`));
    }
  } else {
    console.log(pc.dim("  Open the link above in any browser to continue."));
    console.log("");
  }

  const waitingSpinner = ora({ text: "Waiting for authorization...", indent: 2 }).start();

  const deadline = Date.now() + authorization.expires_in * 1000;
  let intervalMs = (authorization.interval ?? DEFAULT_DEVICE_POLL_INTERVAL_SECONDS) * 1000;

  while (Date.now() < deadline) {
    await new Promise((resolve) => setTimeout(resolve, intervalMs));
    try {
      const result = await pollDeviceToken(baseUrl, CLI_CLIENT_ID, authorization.device_code);
      if (result.status === "approved" && result.tokens) {
        saveTokens(result.tokens);
        const successText = await announceIdentity(result.tokens.access_token);
        waitingSpinner.succeed(pc.green(successText));
        return result.tokens.access_token;
      }
      if (result.status === "slow_down") {
        intervalMs += 5000;
        continue;
      }
      if (result.status === "denied") {
        waitingSpinner.fail(pc.red("Authorization denied."));
        return null;
      }