'use strict' const { promisify } = require('util') const sleep = promisify(setTimeout) const templates = 'templates' const fastify = require('fastify')({ logger: true }) fastify.register(require('.'), { engine: { nunjucks: require('nunjucks') }, templates }) async function something () { await sleep(1000) return new Date() } fastify.get('/', async (req, reply) => { const t = await something() return reply.view('/index.njk', { text: t }) }) fastify.listen(3000, err => { if (err) throw err console.log(`server listening on ${fastify.server.address().port}`) })