greeter-fetch.js

async fetch(request) {
  await this.hydrate()
  const url = new URL(request.url)
  if (url.search === '') {
    return new Response(this.greeting)
  } else {
    this.name = url.searchParams.get('name')
    this.state.storage.put('name', this.name)
    this.greeting = `${this.state.id.toString()}: `
      + `Your name is ${this.name}. HELLO ${this.name.toUpperCase()}!`
    this.state.storage.put('greeting', this.greeting)
    return new Response(this.greeting)
  }
}