npm i -D wrangler @cloudflare/workers-types
npx wrangler types

wrangler.toml

name = 'my-worker'
main = 'src/index.ts'
account_id = '1234'
compatibility_date = '2023-07-01'
compatibility_flags = [ 'nodejs_compat', 'web_socket_compression' ]
workers_dev = false
# logpush = true

routes = [
  { pattern = 'www.example.com/*', zone_name = 'example.com' },
  { pattern = 'example.com/*', zone_name = 'example.com' }
]

# bindings

# [[migrations]]
# tag = ''
# new_classes = []
# renamed_classes = [{from = '', to = '' }]
# deleted_classes = []

tsconfig.json

{
  "compilerOptions": {
    "alwaysStrict": true,
    "baseUrl": "./",
    "esModuleInterop": true,
    "lib": [ "esnext" ],
    "module": "esnext",
    "moduleResolution": "node",
    "noEmit": true,
    "outDir": "./dist",
    "preserveConstEnums": true,
    "skipLibCheck": true,
    "strict": true,
    "target": "esnext",
    "types": [ "@cloudflare/workers-types/2022-11-30" ]
  },
  "include": [
    "src/**/*",
    "worker-configuration.d.ts"
  ]
}

src/index.ts

export default <ExportedHandler>{
  async email(message, env, ctx) {
    
  },
  async fetch(request, env, ctx) {
    
  },
  async queue(batch, env, ctx) {
    
  },
  async scheduled(event, env, ctx) {
    
  },
  async test(controller, env, ctx) {
    
  },
  async trace(traces, env, ctx) {
    
  }
}