Send WhatsApp message via Terminal

send-wa-msg.js

const { Client, LocalAuth } = require('whatsapp-web.js');
const qrcode = require('qrcode-terminal');

const [, , jid, message] = process.argv;

if (!jid || !message) {
  console.error('❌ Usage: node send.js <jid> "<message>"');
  process.exit(1);
}

const client = new Client({
  authStrategy: new LocalAuth({
    clientId: 'default',
    dataPath: './.wwebjs_auth'
  }),
  puppeteer: {
    args: ['--no-sandbox', '--disable-setuid-sandbox']
  }
});

let qrCodeGenerated = false;
client.on('qr', (qr) => {
  qrCodeGenerated = true;
  console.log('\n📱 QR code required. Please scan it using your phone.\n');
  console.log('QR Code:', qr);
  qrcode.generate(qr, { small: true });
});

client.on('authenticated', () => {
  console.log('🔐 Session authenticated.');
});

client.on('auth_failure', (msg) => {
  console.error('❌ Authentication failed:', msg);
});

client.on('ready', async () => {
  if (qrCodeGenerated) {
    console.log('⏳ Waiting for the session to be saved...');
    await new Promise(resolve => setTimeout(resolve, 65000));
    console.log('✅ Session saved.');
  }

  console.log(`✅ WhatsApp client ready. Sending message to ${jid}...`);

  try {
    const msg = await client.sendMessage(jid, message);
    console.log(`✅ Message ${msg.id.id} sent to ${msg.to} with content: "${msg.body}"`);
  } catch (err) {
    console.error('❌ Failed to send message:', err);
    process.exit(1);
  }

  await new Promise(resolve => setTimeout(resolve, 3000));
  await client.destroy();
  console.log('👋 Client destroyed. Exiting.');
  process.exit(0);
});

client.initialize().catch((err) => {
  console.error('❌ Failed to initialize client:', err);
  process.exit(1);
});