flow-bro/to-promise.js

Your personal flow type helper with features like coverage and watch mode

module.exports = function toPromise(fn, ...args) {
  return new Promise((resolve, reject) => {
    fn(...args, (error, stdout, stderr) => {
      if (error) {
        reject({ error, stdout, stderr });
      }

      resolve(stdout);
    });
  });
};