for loop bluebird promise

promiseForLoop.js

var userPromises = [];
    
// For loop instead of forEach to maintain `this` value
for (var i = 0; i < users.length; i++) {
  userPromises.push(this.client.queryAsync('INSERT INTO invites (customerNo, email, name)' +
    ' VALUES ($1, $2, $3)', [req.user.id, users[i].email, users[i].name]));
}

return bluebird.all(userPromises);