nomorobo.js

nomorobo.js

const client = require('twilio')(process.env.TWILIO_ACCOUNT_SID, process.env.TWILIO_AUTH_TOKEN);

/**
 * Detect whether a number is a robo caller.
 *
 * @param {string} phoneNumber - The number the call is coming from. in e.164 format
 * @return {Promise<boolean>} true if the number belongs to a robocaller
 *
 */
async function isRoboCaller(phoneNumber) {
  try {
    const response = await client
      .lookups.phoneNumbers(phoneNumber)
      .fetch({addOns: 'nomorobo_spamscore'});
    const score = response.addOns.results.nomorobo_spamscore.result.score;
    return score === 1;
  } catch (error) {
    console.log(error);
    return null;
  }
};

if (process.argv.length < 3) {
  console.log('Please provide a phone number in E.164 format like this: +19892008374');
  return;
}

const number = process.argv[2];
isRoboCaller(number).then(result => {
  if (result !== null) {
    console.log(`${number} is a robocaller: ${result}`);
  }
})