refact, please ignore

.c8rc.json

@@ -0,0 +1,7 @@
+{
+  "reporter": [
+    "lcov",
+    "text",
+    "html"
+  ]
+}

.github/workflows/main.yml

@@ -0,0 +1,23 @@
+name: Node.js CI
+
+on: ["push", "pull_request"]
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+
+    steps:
+      - uses: actions/checkout@v4
+      - name: Use Node.js
+        uses: actions/setup-node@v3
+        with:
+          node-version: "20.x"
+      - run: npm install
+      - run: npm test
+      - run: npm run test:coverage
+      - name: Upload coverage reports to Codecov
+        uses: codecov/codecov-action@v3
+        env:
+          CODECOV_TOKEN: ${{ secrets.CODECOV_TOKEN }}
+        with:
+          file: ./coverage/lcov.info

.vscode/extensions.json

@@ -0,0 +1,6 @@
+{
+  "recommendations": [
+    "connor4312.nodejs-testing",
+    "yoavbls.pretty-ts-errors"
+  ]
+}

.vscode/launch.json

@@ -4,6 +4,20 @@
   // 欲了解更多信息，请访问: https://go.microsoft.com/fwlink/?linkid=830387
   "version": "0.2.0",
   "configurations": [
+    {
+      "type": "node",
+      "request": "launch",
+      "name": "Unit test",
+      "skipFiles": [
+        "<node_internals>/**"
+      ],
+      "program": "${file}",
+      "args": [
+        "--loader",
+        "tsx",
+        "--test"
+      ]
+    },
     {
       "name": "Attach to tsx",
       "port": 9229,

README.md

@@ -1,5 +1,11 @@
 # Your first Node.js Helloworld with TypeScript
 
+![build status](https://github.com/npmstudy/node-v20-helloworld/actions/workflows/main.yml/badge.svg) [![codecov](https://codecov.io/github/npmstudy/node-v20-helloworld/graph/badge.svg?token=CSMN20E3W4)](https://codecov.io/github/npmstudy/node-v20-helloworld)
+
+- use Node.js v20 test runner
+- use c8 for coverage
+
+
 ## What is in this repository?
 
 - use [tsx](https://github.com/esbuild-kit/tsx) as typescript register & executor

index.d.ts

@@ -1,3 +1,3 @@
 export interface IPerson {
-  say(name: string): void;
+  sayHi(name?: string): Promise<void>;
 }

index.test-d.ts

@@ -5,4 +5,4 @@ import { HelloWorld } from "./src/helloworld";
 
 const cli: IPerson = new HelloWorld();
 
-expectType<void>(cli.say("use TypeScript to write Node.js"));
+expectType<Promise<void>>(cli.sayHi("use TypeScript to write Node.js"));