How to use the hashAsync function from bcrypt-nodejs

User.js

GitHub: codyseibert/tab-tracker

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    return
  }

  return bcrypt
    .genSaltAsync(SALT_FACTOR)
    .then(salt => bcrypt.hashAsync(user.password, salt, null))
    .then(hash => {
      user.setDataValue('password', hash)
    })
}

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User.js

GitHub: FlipSideHR/FlyptoX

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// normalize email address
self.set('email', self.get('email').toLowerCase().trim());

// salt and hash
return bcrypt.genSaltAsync(10).then(function(salt){
  return bcrypt.hashAsync(self.get('password'), salt, null).then(function(hash){
      self.set('password', hash);
      self.set('salt', salt);
      return;
  });

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user.js

GitHub: Foodujour/Foodujour

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// generates hash async
User.generateHash = function(password) {
  return bcrypt.genSaltAsync(8)
    .then(function(salt) {
      return bcrypt.hashAsync(password, salt, null);
    });
};

// checks password async with stored password

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user.js

GitHub: npoling/scratch-track

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// generates hash async
User.generateHash = function(password) {
  // Use a work factor of 12 for hashing
  return bcrypt.genSaltAsync(12)
    .then(function(salt) {
      return bcrypt.hashAsync(password, salt, null)
      .then(function (passHash) {
        console.log('Salt:', salt, 'Passhash:', passHash);
        return passHash;
      });

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auth.js

GitHub: filmedin/filmedin

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  next(new Error('Failed to connect to database'));
}
if (rows.length !== 0) {
  next(new Error('User already exists'));
} else {
   bcrypt.hashAsync(password, null, null)
    .then(function(hash) {
      db.user.post(username, hash, function (err, rows) {
        if (err) {
          next(new Error('Failed to create user'));

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password_util.js

GitHub: billxiong24/node-chat

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            callback(err, hash);
        });
    }
    else {
        //no idea why empty callback has to be used, but its necessary for promise to work
        return bcrypt.hashAsync(password, null, function() {});
    }
}

function retrievePassword(password, hash, callback, async=false) {

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users.js

GitHub: shelleywang/partyof4

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var instanceMethods = {};
instanceMethods.hashPassword = function (newUser) {
  return bcrypt.genSaltAsync(10)
  .then(function (salt) {
    return bcrypt.hashAsync(newUser.password, salt, null);
  })
  .then(function (hash) {
    return newUser.set('password', hash);
  })

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Member.js

GitHub: kincjf/ankroom

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  return sequelize.Promise.reject("not modified");
}

// bcrypt가 async이기 때문에 promise
return bcrypt.genSaltAsync(SALT_FACTOR).then(function(salt) {
  return bcrypt.hashAsync(member.password, salt, null);
}).then(function(hash) {
  member.setDataValue('password', hash);
}).catch(function(err) {
  return sequelize.Promise.reject(err);

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User.js

GitHub: lucklegend/tabtracker_squel

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function hashPassword (password) {
  const SALT_FACTOR = 8

  return bcrypt
  .genSaltAsync(SALT_FACTOR)
  .then(salt => bcrypt.hashAsync(password, salt, null))
  .then(hash => hash)
}

const User = {

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