feat(cli): use JSON file for connecting

cli/device/connect.ts

@@ -62,10 +62,9 @@ export const connect = async ({
  console.log(chalk.blue('endpoint: '), chalk.yellow(endpoint))
  console.log(chalk.blue('deviceUiUrl: '), chalk.yellow(deviceUiUrl))
  console.log(chalk.blue('CA cert: '), chalk.yellow(caCert))
- console.log(chalk.blue('Private key: '), chalk.yellow(deviceFiles.key))
- console.log(chalk.blue('Certificate: '), chalk.yellow(deviceFiles.certWithCA))
+ console.log(chalk.blue('Certificate: '), chalk.yellow(deviceFiles.json))
 
- const certFiles = [deviceFiles.certWithCA, deviceFiles.key, caCert]
+ const certFiles = [deviceFiles.json, caCert]
 
  try {
  await Promise.all(
@@ -96,9 +95,13 @@ export const connect = async ({
  console.timeLog(note)
  }, 5000)
 
+ const { privateKey, clientCert } = JSON.parse(
+ await fs.readFile(deviceFiles.json, 'utf-8'),
+ )
+
  const connection = new thingShadow({
- privateKey: deviceFiles.key,
- clientCert: deviceFiles.certWithCA,
+ privateKey: Buffer.from(privateKey),
+ clientCert: Buffer.from(clientCert),
  caCert,
  clientId: deviceId,
  host: endpoint,