Using bcrypt inside async

 

 

Example code

app.post("/register", (req, res) => {
    User.findOne({username: req.body.username}, async(err, doc) => {
        if(err) throw err;
        if(doc) res.send('User already exist');
        if(!doc){
            const hashedPassword = await bcrypt.hash(req.body.password, 10);
            const newUser = new User({
                username: req.body.username,
                password: hashedPassword,
            });
            await newUser.save();
            res.send('User Created')
        }
    })
})

 

 

bcrypt 가 promise를 return하기에 async/await을 붙여야 error가 나지 않는다. 

난 await을 빼먹어서 계속 에러가 났던 것...

 

 

 

Reference

stackoverflow.com/questions/48799894/trying-to-hash-a-password-using-bcrypt-inside-an-async-function

Trying to hash a password using bcrypt inside an async function

medium.com/dev-bits/writing-neat-asynchronous-node-js-code-with-promises-32ed3a4fd098

Writing neat asynchronous Node JS code with Promises