src/browser/cdp-timeouts.ts

export const CDP_HTTP_REQUEST_TIMEOUT_MS = 1500;
export const CDP_WS_HANDSHAKE_TIMEOUT_MS = 5000;
export const CDP_JSON_NEW_TIMEOUT_MS = 1500;

export const CHROME_REACHABILITY_TIMEOUT_MS = 500;
export const CHROME_WS_READY_TIMEOUT_MS = 800;
export const CHROME_BOOTSTRAP_PREFS_TIMEOUT_MS = 10_000;
export const CHROME_BOOTSTRAP_EXIT_TIMEOUT_MS = 5000;
export const CHROME_LAUNCH_READY_WINDOW_MS = 15_000;
export const CHROME_LAUNCH_READY_POLL_MS = 200;
export const CHROME_STOP_TIMEOUT_MS = 2500;
export const CHROME_STOP_PROBE_TIMEOUT_MS = 200;
export const CHROME_STDERR_HINT_MAX_CHARS = 2000;

export const PROFILE_HTTP_REACHABILITY_TIMEOUT_MS = 300;
export const PROFILE_WS_REACHABILITY_MIN_TIMEOUT_MS = 200;
export const PROFILE_WS_REACHABILITY_MAX_TIMEOUT_MS = 2000;
export const PROFILE_ATTACH_RETRY_TIMEOUT_MS = 1200;
export const PROFILE_POST_RESTART_WS_TIMEOUT_MS = 600;

function normalizeTimeoutMs(value: number | undefined): number | undefined {
  if (typeof value !== "number" || !Number.isFinite(value)) {
    return undefined;
  }
  return Math.max(1, Math.floor(value));
}

export function resolveCdpReachabilityTimeouts(params: {
  profileIsLoopback: boolean;
  timeoutMs?: number;
  remoteHttpTimeoutMs: number;
  remoteHandshakeTimeoutMs: number;
}): { httpTimeoutMs: number; wsTimeoutMs: number } {
  const normalized = normalizeTimeoutMs(params.timeoutMs);
  if (params.profileIsLoopback) {
    const httpTimeoutMs = normalized ?? PROFILE_HTTP_REACHABILITY_TIMEOUT_MS;
    const wsTimeoutMs = Math.max(
      PROFILE_WS_REACHABILITY_MIN_TIMEOUT_MS,
      Math.min(PROFILE_WS_REACHABILITY_MAX_TIMEOUT_MS, httpTimeoutMs * 2),
    );
    return { httpTimeoutMs, wsTimeoutMs };
  }

  if (normalized !== undefined) {
    return {
      httpTimeoutMs: Math.max(normalized, params.remoteHttpTimeoutMs),
      wsTimeoutMs: Math.max(normalized * 2, params.remoteHandshakeTimeoutMs),
    };
  }
  return {
    httpTimeoutMs: params.remoteHttpTimeoutMs,
    wsTimeoutMs: params.remoteHandshakeTimeoutMs,
  };
}