@rnmkeshav/mock-api/v1/src/server/middlewares/set_headers.js

A fake API server for all type of frontend development

const setHeader = route => (req, res, next) => {
  let { response: { headers } = {} } = route;
  let localResponseData = res.locals;

  headers = Object.assign({}, headers, localResponseData.headers);
  let headerStatus = headers.status || 200;
  res.status(headerStatus);
  delete headers.status;

  for (let key in headers) {
    if (headers.hasOwnProperty(key)) {
      res.setHeader(key, headers[key]);
    }
  }

  next();
};

module.exports = setHeader;