FTP with TLS

const fs = require('fs');

async function example() {
    const client = new ftp.Client()
    client.ftp.verbose = true
    try {
    const secureOptions = {
  // Necessary only if the server requires client certificate authentication.
  key: fs.readFileSync('client-key.pem'),
  cert: fs.readFileSync('client-cert.pem'),

  // Necessary only if the server uses a self-signed certificate.
  ca: [ fs.readFileSync('server-cert.pem') ],

  // Necessary only if the server's cert isn't for "localhost".
  checkServerIdentity: () => { return null; },
};
        await client.access({
            host: "ftp.xxxx.xxxxx",
            user: "[email protected]",
            password: "xxxxxxx",
            secure :true,
secureOptions : secureOptions
        })
        await client.ensureDir("/my/remote/directory")
        console.log(await client.list())
        await client.uploadFrom("temp/readme.txt", "readme.txt")
       // await client.downloadTo("README_COPY.md", "README_FTP.md")
    }
    catch(err) {
        console.log(err)
    }
    client.close()
}