INNER CODE UNIT · TypeScript

StartCommandExit

lidge-jun/opencodex · src/cli/index.ts:260

class StartCommandExit extends Error {
  constructor(readonly exitCode: number) {
    super(`start command exited with code ${exitCode}`);
    this.name = "StartCommandExit";
  }
}

async function chooseListenPort(
  requestedPort?: number,
  options: { sibling?: boolean } = {},
): Promise<number> {
  const config = loadConfig();
  const preferred = requestedPort ?? config.port ?? 10100;
  const hardPin = requestedPort !== undefined && requestedPort > 0;
  // Only an EXPLICITLY ported listener reserves a port. The companion form (`{enabled:true}`
  // with no port) deliberately shares the public port on 127.0.0.1, so treating it as a
  // reservation — via `effectiveLoopbackListenerPort` — would refuse every start on a
  // one-port hub and hop the public listener onto an ephemeral port (#4236).

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