convert-to-async

cta-fs-promises.js

export function readFilePromise(filePath) {
  return new Promise((resolve, reject) => {
    fs.readFile(filePath, (err, buffer) => {
      return err ? reject(err) : resolve(buffer);
    });
  });
}

export function writeFilePromise(filePath, data) {
  return new Promise((resolve, reject) => {
    fs.writeFile(filePath, data, (err, buffer) => {
      return err ? reject(err) : resolve(buffer);
    });
  });
}