javascript - How to ignore one of the fields from a Joi schema? - Stack Overflow

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I have the following Joi schema for a User:

const userRules = Joi.object({
    name: Joi.string().pattern(new RegExp('^[A-Za-zÁÉÍÓÚáéíóúãõÃÕâêôÂÊÔ ]+$')).required(),
    email: Joi.string().email().required(),
    password: Joi.string().min(8).max(40).required()
});

But for authentication purposes, I only want to validate email and password, ignoring name. Is it possible to do this without having to create a different schema?

I have the following Joi schema for a User:

const userRules = Joi.object({
    name: Joi.string().pattern(new RegExp('^[A-Za-zÁÉÍÓÚáéíóúãõÃÕâêôÂÊÔ ]+$')).required(),
    email: Joi.string().email().required(),
    password: Joi.string().min(8).max(40).required()
});

But for authentication purposes, I only want to validate email and password, ignoring name. Is it possible to do this without having to create a different schema?

• javascript
• joi

Share Improve this question Follow asked Sep 3, 2020 at 14:35 Allan JuanAllan Juan 2,57433 gold badges2626 silver badges5454 bronze badges

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2 Answers 2

Sorted by: Reset to default 7

This will ignore name:

const userRules = Joi.object({
    email: Joi.string().email().required(),
    password: Joi.string().min(8).max(40).required()
})
.options({allowUnknown: true});

You can use Joi.fork() to create a derived schema from a base one.

const userRules = Joi.object({
    name: Joi.string().pattern(new RegExp('^[A-Za-zÁÉÍÓÚáéíóúãõÃÕâêôÂÊÔ ]+$')).required(),
    email: Joi.string().email().required(),
    password: Joi.string().min(8).max(40).required()
});
const authSchema = userRules.fork(['name'], (schema) => schema.optional())

Now, in authSchema, the name attribute is optional and can be ignored.

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