makemehapi/exercises/validation_using_joi_object/solution/solution.js

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

(async () => {
  try {
    const server = Hapi.Server({
      host: 'localhost',
      port: Number(process.argv[2] || 8080)
    });

    server.route({
      method: 'POST',
      path: '/login',
      config: {
        handler: (request, h) => 'login successful',
        validate: {
          payload: Joi.object({
            isGuest: Joi.boolean().required(),
            username: Joi.string().when('isGuest', { is: false, then: Joi.required() }),
            password: Joi.string().alphanum(),
            accessToken: Joi.string().alphanum()
          }).options({ allowUnknown: true }).without('password', 'accessToken')
        }
      }
    });

    await server.start();
  } catch (error) {
    console.log(error);
  }
})();