# 名前空間の作成。パスワードも適当に設定しておく。
 $ curl -X POST 'https://eba.razokulover.workers.dev/' -H 'X-REQUEST-TYPE:register' -d '{"password": "xxxxxxxx"}'
 {"namespace": "your-unique-namespace", "password": "xxxxxxxx"}

 # エンドポイントの作成
 # GET /hoge で {"msg": "Hello"} をjsonレスポンスで返してくれるエンドポイントを作る。
 # ついでにmy-original-headerというカスタムヘッダーも返してくれるようにしてみる。
 $ curl -X POST 'https://eba.razokulover.workers.dev/' \
   -H 'X-NAMESPACE:your-unique-namespace' \
   -H 'X-PASSWORD:xxxxxxxx' \
   -H 'X-REQUEST-TYPE:create' \
   -d '{"url": "/https/zenn.dev/hoge", "method": "GET", "statusCode": 200, "responseHeader": {"content-type": "application/json", "my-original-header": "XXX"}, "responseBody": {"msg": "Hello"}}'
 {"message": "ok"}

 $ curl -X GET -H 'X-NAMESPACE:your-unique-namespace' -D - 'https://eba.razokulover.workers.dev/hoge'
 HTTP/2 200
 content-type: application/json
 my-original-header: XXX

 {"msg": "Hello"}

 $ npm install -g wrangler

 $ wrangler init my-worker

 $ wrangler kv:namespace create "MY_KV"
 $ wrangler kv:namespace create --preview "MY_KV"

 // wrangler.toml
 name = "my-worker"
 main = "src/index.ts"
 compatibility_date = "2022-05-15"
 kv_namespaces = [
   { binding = "MY_KV", id = "yyyyyyyyyyyyyyyy", preview_id = "xxxxxxxxxxxxxxxxx" }
 ]

 $ npm i -D miniflare
 $ npm i -D jest jest-environment-miniflare
 $ npm i -D esbuild esbuild-jest
 $ npm i -D @types/jest

 // jest.config.js
 module.exports = {
   testEnvironment: "miniflare",
   testMatch: [
     "**/test/**/*.+(ts|tsx|js)",
     "**/src/**/(*.)+(spec|test).+(ts|tsx|js)",
   ],
   transform: {
     "^.+\\.(ts|tsx)$": "esbuild-jest",
   },
 };

 // tsconfig.json
 {
 	"compilerOptions": {
 		...
 		"types": [
 			"@cloudflare/workers-types",
 			"@types/jest"　// <- 追記
 		]
 		...
 	}
 }

 // package.json
 {
 	...
 	"scripts": {
 		"start": "wrangler dev",
 		"publish": "wrangler publish",
 		"build": "esbuild --bundle --outdir=dist ./src/index.ts", // <- 追加
 		"dev": "wrangler dev --local", // <- 追加
 		"test": "npx jest --verbose"　 // <- 追加
 	},
 	...
 }

$ npm run dev

 declare const MY_KV: KVNamespace;

 addEventListener('fetch', (event: FetchEvent): void => {
   event.respondWith(this.handleEvent(event))
 })

 async function handleRequest(request) {
   const key = `${request.method}`
   await MY_KV.put(key, `Hello, ${request.method}`)
   const value = await MY_KV.get(key)
   return new Response(`message: ${value}`, {
     headers: { 'content-type': 'text/plain' },
   });
 }

 name: Deploy

 on:
   push:
     branches:
       - main

 jobs:
   deploy:
     runs-on: ubuntu-latest
     name: Deploy
     steps:
       - uses: actions/checkout@v2
       - uses: actions/setup-node@v2
         with:
           node-version: "14"
           cache: "npm"
       - name: Install Dependencies
         run: npm ci
       - name: Build
         run: npm run build
       - name: Publish
         uses: cloudflare/wrangler-action@2.0.0
         with:
           apiToken: ${{ secrets.CF_API_TOKEN }}
         env:
           CLOUDFLARE_ACCOUNT_ID: ${{ secrets.CF_ACCOUNT_ID }}