aws-sdk SNS on NodeJs don't catches error - node.js

Question

I try to implement a phone number verification by SMS with aws-sdk SNS and Mongoose,
But when I test it with a wrong phone number, like, some gibberish instead of real phone,
the error goes to the console, but then it won't get caught by catch and just crashes it all.
Here is my code
// requires, etc is above here
const verifyPhone = async (req, res) => {
const { phoneNumber } = req.body;
const { userId } = req.user;
let code = generateCode(6);
const session1 = await mongoose.startSession();
try {
session1.startTransaction();
const newCode = await PhoneCode.create(
[
{
userId,
code,
},
],
{ session: session1 }
);
sns.publish(
{
MessageAttributes: {
"AWS.SNS.SMS.SenderID": {
DataType: "String",
StringValue: "Testing",
},
"AWS.SNS.SMS.SMSType": {
DataType: "String",
StringValue: "Promotional",
},
},
Message: "Your code: " + code,
PhoneNumber: "65f76fguyg",
},
(err, result) => {
if (!err) {
session1.commitTransaction().then(() => {
console.log("transaction committed");
res.status(200).json({ message: "SMS sent", result });
});
} else {
console.log(err);
throw new Error(err);
}
}
);
} catch (e) {
await session1.abortTransaction();
res.status(500).json({ message: "Something went wrong!", e });
} finally {
session1.endSession();
}
};
module.exports = verifyPhone;
I suspect that the issue is in throwing the error from inside of sns.publish 's callback, but I don't understand, how else I could do that
Also, if I enter right phone number, the SMS gets delivered, I get the response, but then
mongoose crashes, saying
UnhandledPromiseRejectionWarning: MongoTransactionError: Cannot call commitTransaction after calling abortTransaction

Answer 1

I've just got to a solution. The solution for me was to promisify the sns.publish, after that all went like a charm.
const promisifySNS = (args) => {
return new Promise((resolve, reject) => {
sns.publish(args, (err, result) => {
if (err) {
return reject(err);
}
resolve(result);
});
});
};
Funny enough, if you use more generic promisify, for any function
const promisify = (fn, ...args) => {
return new Promise((resolve, reject) => {
fn(...args, (err, result) => {
if (err) {
return reject(err);
}
resolve(result);
});
});
};
await promisify(sns.publish, opts);
that wouldn't work for some reason.