Function onError

packages/cli/src/util/events.ts:128–162

(err: Error)

            let onErrorCalled = false;
            const onError = (err: Error) => {
              if (finishCalled || onErrorCalled) return;
              if (err.name === 'AbortError') {
                finish();
                return;
              }
              onErrorCalled = true;
              o++;

              const errorMessage = `Deployment event stream error: ${err.message}`;
              if (!findOpts.follow) {
                log(errorMessage);
                return;
              }

              debug(errorMessage);
              clearTimeout(poller);
              stream.destroy(err);

              const retryFindOpts = {
                ...findOpts,
                since: latestLogDate,
              };

              setTimeout(() => {
                if (abortController?.signal.aborted) return;
                // retry without maximum amount nor clear past logs etc
                printEvents(client, urlOrDeploymentId, {
                  mode,
                  onEvent,
                  quiet,
                  findOpts: retryFindOpts,
                }).then(resolve, reject);
              }, 2000);
            };

            stream.on('end', finish);
            stream.on('data', onData);