Function launchServerFileModule

lib/serve.js:20–41

(server, port, publicPath, serverConfig)

const longCallbackTime = 4000; // ms.

function launchServerFileModule(server, port, publicPath, serverConfig) {
  const launcher = (() => {
    if (typeof server === 'function') {
      return server;
    } else if (server && typeof server.startServer === 'function') {
      return server.startServer.bind(server);
    }
    throw new Error('Brunch server file needs to export server function');
  })();

  switch (launcher.length) {
    // new case
    case 0:
      return launcher();
    case 1:
      return promisify(launcher)();
    case 2:
      return promisify(launcher)(serverConfig);
    default:
      return promisify(launcher)(port, publicPath);
  }
}


class BrunchServer {