wrappers express.js

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  import Promise from 'bluebird';
import util from 'util';
 
export default function wrapper(middlewares, ctrl) {
  if (!util.isArray(middlewares)) {
    middlewares = [middlewares];
  }
  return (...args) =>
    Promise.mapSeries(middlewares, (m) => m(...args))
      .then(async () => {
        if (!ctrl) {
          return args[2]();
        }
        return ctrl(...args);
      })
      .catch(args[2]);
}