import fastify from 'fastify'
import fastifyPlugin from 'fastify-plugin'

const server = fastify()

const pluginCallback = (server, options, done) => {
    done()
}
const pluginName = 'awesome-plugin'
const plugin = fastifyPlugin(pluginCallback, {name: pluginName})

await server.register(plugin)

await server.register(async (server) => {
    const hasPlugin = server.hasPlugin(pluginName)
    console.log(hasPlugin) // prints: false

    const hasPluginWorkaround =
    server[Symbol.for('registered-plugin')]
        .includes(pluginName)
    console.log(hasPluginWorkaround) // prints: true
})