function waitFor()

in lib/cmds/start.ts [349:380]

• 32 lines of code
• 5 McCabe index (conditional complexity)

  function waitFor(
      getStatus: () => Promise<string>, testStatus: (status: string) => boolean, desc?: string) {
    const checkInterval = 100;
    return new Promise<void>((resolve, reject) => {
      let waited = 0;
      (function recursiveCheck() {
        setTimeout(() => {
          getStatus()
              .then<void>((status: string) => {
                if (!testStatus(status)) {
                  return Promise.reject(
                      'Invalid status' + (desc ? ' for ' + desc : '') + ': ' + status);
                }
              })
              .then(
                  () => {
                    resolve();
                  },
                  (error: any) => {
                    waited += checkInterval;
                    if (waited < maxWait) {
                      recursiveCheck();
                    } else {
                      reject(
                          'Timed out' + (desc ? ' wating for' + desc : '') +
                          '.  Final rejection reason: ' + JSON.stringify(error));
                    }
                  });
        }, checkInterval);
      })();
    });
  };