docs: function read(path) {
    if (isEmpty(path) === true) {
      return Promise.reject(new Error("path is null"));
    }
  
    let promise = new Promise((resolve, reject) => {
      fs.readFile(path, "utf-8", (err, data) => {
        if (err) {
          reject(err);
          return;
        }
        resolve(data);
      });
    });
    return promise;
  }