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Answers for "Joi validation"

Javascript
1

joi.js

const Joi = require('@hapi/joi');

const joiSchema = Joi.object({
  a: Joi.string()
    .min(2)
    .max(10)
    .required()
    .messages({
      'string.base': `"a" should be a type of 'text'`,
      'string.empty': `"a" cannot be an empty field`,
      'string.min': `"a" should have a minimum length of {#limit}`,
      'any.required': `"a" is a required field`
    })
});

const validationResult = joiSchema.validate({ a: 2 }, { abortEarly: false });
console.log(validationResult.error); // expecting ValidationError: "a" should be a type of 'text'
Posted by: Guest on January-30-2021
0

Joi validation

const joi = require("joi");

const validation = joi.object({
     userName: joi.string().alphanum().min(3).max(25).trim(true).required(),
     email: joi.string().email().trim(true).required(),
     password: joi.string().min(8).trim(true).required(),
     mobileNumber: joi.string().length(10).pattern(/[6-9]{1}[0-9]{9}/).required(),
     birthYear: joi.number().integer().min(1920).max(2000),
     skillSet: joi.array().items(joi.string().alphanum().trim(true)).default([]),
     is_active: joi.boolean().default(true),
});
Posted by: Guest on September-23-2021
0

joi validation required

const Joi = require('joi');

const schema = Joi.object({
    username: Joi.string()
        .alphanum()
        .min(3)
        .max(30)
        .required(),

    password: Joi.string()
        .pattern(new RegExp('^[a-zA-Z0-9]{3,30}$')),

    repeat_password: Joi.ref('password'),

    access_token: [
        Joi.string(),
        Joi.number()
    ],

    birth_year: Joi.number()
        .integer()
        .min(1900)
        .max(2013),

    email: Joi.string()
        .email({ minDomainSegments: 2, tlds: { allow: ['com', 'net'] } })
})
    .with('username', 'birth_year')
    .xor('password', 'access_token')
    .with('password', 'repeat_password');


schema.validate({ username: 'abc', birth_year: 1994 });
// -> { value: { username: 'abc', birth_year: 1994 } }

schema.validate({});
// -> { value: {}, error: '"username" is required' }

// Also -

try {
    const value = await schema.validateAsync({ username: 'abc', birth_year: 1994 });
}
catch (err) { }
Posted by: Guest on September-07-2021
0

Joi validation "Joi.when()"

Joi.object().keys({
    contact: Joi.object().keys({
        first_name: Joi.string(),
        last_name: Joi.string(),
        phone: Joi.string(),
    }),
    address: Joi.object().keys({
        place: Joi.string(),
        city: Joi.string().min(2).max(30),
        street: Joi.string(),
        house_number: Joi.string()
    }).when('contact', {
        is: Joi.object().keys({
            first_name: Joi.exist(),
            last_name: Joi.exist(),
            phone: Joi.exist(),
        }),
        then: Joi.object({ place: Joi.required() }).required(),
        otherwise: Joi.object({ place: Joi.forbidden() })
    }),
    passengers_amount: Joi.number(),
    notes: Joi.string()
});
Posted by: Guest on September-24-2021
-1

Joi.validate

function responseValidate(response) {
  const schema = {
    id: Joi.objectId().required(),
    response: Joi.string().min(3).max(512).required()
  };

  return schema.validate(response);
}
Posted by: Guest on August-09-2021

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