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I am a beginner and currently working my way through a node.js API authentication tutorial. All going well until having to refactor code into separate files and now I keep getting the following error "TypeError: schema.validate is not a function" when sending a JSON request via Postman, regardless if the request should fail the validation or not.
Here is my code for validation.js
//Validation
const Joi = require('@hapi/joi');
//Register Validation - wrap it in a function as there will be multiple schemas
const registerValidation = data => {
const schema = {
name: Joi.string().min(6).required(),
email: Joi.string().min(6).required().email(),
password: Joi.string().min(6).required()
}
return Joi.assert(data, schema);
}
// Login Validation
const loginValidation = data => {
const schema = {
email: Joi.string().min(6).required().email(),
password: Joi.string().min(6).required()
}
return Joi.assert(data, schema);
}
module.exports.registerValidation = registerValidation;
module.exports.loginValidation = loginValidation;
My auth.js code is like so
const router = require('express').Router();
const User = require('../model/User');
const { registerValidation } = require('../validation');
router.post('/register', async (req, res) => {
//Validate data before creating user
// const { error } = schema.validate(req.body);
const { error } = registerValidation(req.body);
if(error) return res.status(400).send(error.details[0].message);
const user = new User({
name: req.body.name,
email: req.body.email,
password: req.body.password,
date: req.body.date
});
try {
const savedUser = await user.save();
res.send(savedUser);
}catch(err){
res.status(400).send(err);
}
});
router.post('/login')
module.exports = router;
Can someone assist at all? The only thing I have changed is that I was using Joi.validate which is no longer valid according to the docs so I have updated it to Joi.assert.
Many thanks
I am a beginner and currently working my way through a node.js API authentication tutorial. All going well until having to refactor code into separate files and now I keep getting the following error "TypeError: schema.validate is not a function" when sending a JSON request via Postman, regardless if the request should fail the validation or not.
Here is my code for validation.js
//Validation
const Joi = require('@hapi/joi');
//Register Validation - wrap it in a function as there will be multiple schemas
const registerValidation = data => {
const schema = {
name: Joi.string().min(6).required(),
email: Joi.string().min(6).required().email(),
password: Joi.string().min(6).required()
}
return Joi.assert(data, schema);
}
// Login Validation
const loginValidation = data => {
const schema = {
email: Joi.string().min(6).required().email(),
password: Joi.string().min(6).required()
}
return Joi.assert(data, schema);
}
module.exports.registerValidation = registerValidation;
module.exports.loginValidation = loginValidation;
My auth.js code is like so
const router = require('express').Router();
const User = require('../model/User');
const { registerValidation } = require('../validation');
router.post('/register', async (req, res) => {
//Validate data before creating user
// const { error } = schema.validate(req.body);
const { error } = registerValidation(req.body);
if(error) return res.status(400).send(error.details[0].message);
const user = new User({
name: req.body.name,
email: req.body.email,
password: req.body.password,
date: req.body.date
});
try {
const savedUser = await user.save();
res.send(savedUser);
}catch(err){
res.status(400).send(err);
}
});
router.post('/login')
module.exports = router;
Can someone assist at all? The only thing I have changed is that I was using Joi.validate which is no longer valid according to the docs so I have updated it to Joi.assert.
Many thanks
Share Improve this question edited Jul 25, 2020 at 12:28 Ju_ asked Jul 25, 2020 at 12:21 Ju_Ju_ 751 gold badge1 silver badge9 bronze badges 2- Where did you refer to see that joi.validate is not valid? – Deekshith Hegde Commented Jul 25, 2020 at 12:36
- I think I read it on GitHub which referred to the documents for version 16. I was getting “joi.validate is not a function” – Ju_ Commented Jul 25, 2020 at 12:45
3 Answers
Reset to default 14For anyone still getting "schema.validate is not a function":
When you declare the schema, make sure you declare Joi.object, like so:
const schema = Joi.object({
username: Joi.string().etc
})
Use the below approach for validation as joi.validate is no longer supported
const schema = Joi.object({
name: Joi.string().min(6).required(),
email: Joi.string().min(6).required().email(),
password: Joi.string().min(6).required()
})
return schema.validate(data)
Declare like this
const schema = Joi.object({username: Joi.string().etc })
This thing works!!
Normally you are declaring like this:-
const schema = {username: Joi.string().etc }
Instead of that declare like that
const schema = Joi.object({username: Joi.string().etc })
Note: In the above version of 17.0.0, there is no Joi.validate function so with above thing you have to use schema.validate(req.body)
It will work.
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