Joi: "tel" n'est pas autorisé à être vide

Question

Joi renvoie l'erreur suivante même si tel est défini sur en option. Comment réparons nous ça?

Merci.

Error: Joi Failed: ValidationError: child "tel" fails because ["tel" is not allowed to be empty]

---

//Define Joi schema 
const schema = { 
    email: Joi.string().required().email({ 
     errorLevel: 64, 
     minDomainAtoms: 2 
    }).min(6), 
    tel: Joi.string().optional().min(10).max(10), 
    password: Joi.string().required().min(8).max(64) 
} 

//Check inputs 
const { error, value } = Joi.validate({ 
    email: args.email, 
    tel: tel, 
    password: args.password 
}, schema) 

Answer 1

...empty strings are not allowed by default and must be enabled with allow('') . However, if you want to specify a default value in case of empty string you have to use a different pattern: Joi.string().empty('').default('default value') . This tells Joi that the empty string should be considered as an empty value (instead of invalid) and which value to use as default.

Référence: Joi v10.6.0 Documetations

Dans votre cas:

tel: Joi.string().optional().allow('').min(10).max(10)