message: [improvement] build-lib when task fail
diff: @@ -21,6 +21,10 @@ tasks.forEach(task => {
  const interactive = new Signale({ interactive: true });
  interactive.pending(task);
  - shell.exec(`${task} --silent`);
  + const result = shell.exec(`${task} --silent`);
  + if (result.code !== 0) {
  + interactive.error(task);
  + } else {
  interactive.success(task);
  + }
  });
  