JSON schema validation

validation.js

const Validator = require('jsonschema').Validator;
const v = new Validator();

// Address, to be embedded on Person
const addressSchema = {
	id: '/SimpleAddress',
	type: 'object',
	properties: {
		lines: {
			type: 'array',
			items: { type: 'string' },
		},
		zip: { type: 'string' },
		city: { type: 'string' },
		country: { type: 'string' },
	},
	required: ['country'],
};

// Person
const schema = {
	id: '/SimplePerson',
	type: 'object',
	properties: {
		name: { type: 'string' },
		address: { $ref: '/SimpleAddress' },
		votes: { type: 'integer', minimum: 1 },
	},
};

const p = {
	name: 'Barack Obama',
	address: {
		lines: ['1600 Pennsylvania Avenue Northwest'],
		zip: 'DC 20500',
		city: 'Washington',
		country: 'USA',
	},
	votes: 3,
};

v.addSchema(addressSchema, '/SimpleAddress');
console.log(v.validate(p, schema));