Function plugin

test/plugin.3.test.js:27–34

(instance, opts, done)

  t.after(() => fastify.close())

  function plugin (instance, opts, done) {
    instance.decorateRequest(class="st">'check', null)
    instance.addHook(class="st">'onRequest', (req, reply, done) => {
      req.check = {}
      done()
    })
    setImmediate(done)
  }
  fastify.register(fp(plugin))

  fastify.register((instance, options, done) => {