mdtm.js

// bluebird & moment removed, using native Date

module.exports = {
  directive: 'MDTM',
  handler: function ({log, command} = {}) {
    if (!this.fs) return this.reply(550, 'File system not instantiated');
    if (!this.fs.get) return this.reply(402, 'Not supported by file system');

    return Promise.resolve().then(() => this.fs.get(command.arg))
    .then((fileStat) => {
      const d = new Date(fileStat.mtime);
      const pad = (n, l=2) => String(n).padStart(l,'0');
      const modificationTime = `${d.getUTCFullYear()}${pad(d.getUTCMonth()+1)}${pad(d.getUTCDate())}${pad(d.getUTCHours())}${pad(d.getUTCMinutes())}${pad(d.getUTCSeconds())}.${pad(d.getUTCMilliseconds(),3)}`;
      return this.reply(213, modificationTime);
    })
  .catch((err) => {
      log.error(err);
      return this.reply(550, err.message);
    });
  },
  syntax: '{{cmd}} <path>',
  description: 'Return the last-modified time of a specified file',
  flags: {
    feat: 'MDTM'
  }
};