[add] Prototype based on Koa, TS-Node & VS Code debugger

Author: TechQuery

.gitignore

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+node_modules/
+package-lock.json
+.vscode/settings.json

.vscode/launch.json

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+{
+  "version": "0.2.0",
+  "configurations": [
+    {
+      "name": "Launch Server",
+      "type": "node",
+      "request": "launch",
+      "runtimeExecutable": "npm",
+      "runtimeArgs": ["run", "dev"]
+    }
+]
+}

package.json

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+{
+  "name": "@idea2app/rest-node-ts",
+  "version": "0.1.0",
+  "license": "LGPL-3.0",
+  "author": "shiy2008@gmail.com",
+  "description": "",
+  "homepage": "https://github.com/idea2app/REST-Node-ts#readme",
+  "repository": {
+    "type": "git",
+    "url": "git+https://github.com/idea2app/REST-Node-ts.git"
+  },
+  "bugs": {
+    "url": "https://github.com/idea2app/REST-Node-ts/issues"
+  },
+  "source": "source/index.ts",
+  "main": "dist/index.js",
+  "engines": {
+    "node": "^14.0.0"
+  },
+  "dependencies": {
+    "koa": "^2.13.4"
+  },
+  "devDependencies": {
+    "@types/koa": "^2.13.4",
+    "ts-node-dev": "^1.1.8",
+    "typescript": "^4.6.3"
+  },
+  "scripts": {
+    "dev": "ts-node-dev source/",
+    "test": "echo \"Error: no test specified\" && exit 1"
+  }
+}

source/index.ts

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+import Koa from "koa";
+
+const { PORT = 8080 } = process.env;
+
+const HOST = `http://localhost:${PORT}`,
+  app = new Koa();
+
+console.time("HTTP boot");
+
+app.listen(PORT, () => {
+  console.log(`
+HTTP served at ${HOST}
+`);
+  console.timeEnd("HTTP boot");
+});

tsconfig.json

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+{
+  "compilerOptions": {
+    "target": "ES2017",
+    "module": "CommonJS",
+    "moduleResolution": "Node",
+    "esModuleInterop": true
+  }
+}