这个问题与函数未定义有关,Bookshelf.js模型函数未被识别为函数
我使用Bookshelf.js
来处理用户注册/登录API-endpoints,它是用NodeJS和ExpressJS构建的。然而,当POST到登录路由时,Bookshelf抛出以下错误:
Unhandled rejection TypeError: undefined is not a function
at routesindex.js:217:36
at Strategy.strategy.success (node_modulespassportlibmiddlewareauthenticate.js:194:18)
at verified (node_modulespassport-locallibstrategy.js:83:10)
at null.<anonymous> (configpassport.js:17:20)
...
以下是routes/index.js
var User = require('./models/User');
router.post('/login', function(req, res, next){
if(!req.body.username || !req.body.password){
return res.status(400).json({message: 'Please fill out all fields'});
}
passport.authenticate('local', function(err, user, info){
if(err){ return next(err); }
if(user){
return res.json({token: user.generateJWT()});
} else {
return res.status(401).json(info);
}
})(req, res, next);
});
以下是型号/Users.js
var jwt = require('jsonwebtoken');
var bcrypt = require('bcrypt');
var bookshelf = require('../config/bookshelf');
var User = bookshelf.Model.extend({
tableName: 'users',
validPassword: function(password, encryptedPass) {
return new Promise(function (resolve, reject) {
bcrypt.compare(password, encryptedPass, function (err, match) {
if(err) return reject(err);
resolve(match);
});
});
},
generateJWT: function() {
// set expiration to 60 days
var today = new Date();
var exp = new Date(today);
exp.setDate(today.getDate() + 60);
return jwt.sign({
_id: this._id,
email: this.email,
exp: parseInt(exp.getTime() / 1000),
}, 'SECRET');
}
}, {
createPassword: function (password) {
return new Promise(function (resolve, reject) {
bcrypt.genSalt(10, function (err, salt) {
if (err) return reject(err);
bcrypt.hash(password, salt, function (err, hash) {
if (err) return reject(err);
resolve(hash);
});
});
});
}
});
module.exports = User;
这是config/passport.js
var passport = require('passport');
var LocalStrategy = require('passport-local').Strategy;
var User = require('../models/Users');
passport.use(new LocalStrategy(
function(email, password, done) {
new User({email: email}).fetch().then(function(data) {
var user = data;
var curr_user = this;
if(user === null) {
return done(null, false, {message: 'Invalid username or password'});
} else {
user = data.toJSON();
if (!curr_user.validPassword(password)) {
return done(null, false, {message: 'Invalid username or password'});
} else {
return done(null, user);
}
}
});
}
));
这是异步/承诺问题吗?还是我在别的地方出了问题?
看不到at routesindex.js:217:36
,很难开始尝试回答这个问题。
编辑:然而,at Strategy.strategy.success
确实表明这是一个没有返回Promise的问题。换句话说,你可能正在做类似的事情
ThinkingYouAreReturningAPromiseInThisFunction
.success(function(result) {
// stuff
});
但实际上并没有在CCD_ 4中返回Promise对象。换句话说,success()
不是一个函数。一般来说,Promise对象会有一个类似success()
的方法。但是如果没有返回这样的对象,那么undefined is not a function
。我会在那里开始故障排除。