joi arrays validation

request.json

{
	"cart_id": 56,
	"drugs": [
		{
			"id": 8,
			"count": 2
		},
		{
			"id": 456,
			"count": 0
		}
	]
}

validation.js

const joi = require("joi");

module.exports = {
  batchUpdate: {
    body: {
      cart_id: joi
        .number()
        .integer()
        .min(1),
      drugs: joi.array().items(
        joi.object().keys({
          id: joi
            .number()
            .integer()
            .min(1),
          count: joi
            .number()
            .integer()
            .min(0)
        })
      )
    }
  }
};