feat: comfy dev env (ts, jest, prettier, eslint)

backend/.editorconfig

+root = true
+
+[*]
+charset = utf-8
+end_of_line = lf
+insert_final_newline = true
+trim_trailing_whitespace = true
+
+[*.{js,ts,json}]
+indent_size = 2
+indent_style = space

backend/.eslintignore

+coverage
+dist
+node_modules

backend/.eslintrc.json

+{
+  "root": true,
+  "parser": "@typescript-eslint/parser",
+  "plugins": ["@typescript-eslint", "prettier", "jest"],
+  "extends": [
+    "eslint:recommended",
+    "plugin:@typescript-eslint/recommended",
+    "prettier"
+  ],
+  "rules": {
+    "no-console": 1,
+    "prettier/prettier": 2
+  },
+  "env": {
+    "browser": true,
+    "node": true,
+    "jest/globals": true
+  }
+}

backend/.prettierignore

+coverage
+dist
+node_modules

backend/.prettierrc.json

+{
+  "trailingComma": "all",
+  "printWidth": 80
+}

backend/jest.config.json

+{
+  "transform": {
+    "^.+\\.ts$": "ts-jest"
+  },
+  "collectCoverage": false,
+  "collectCoverageFrom": ["src/**/*.ts", "!src/**/*.spec.ts"],
+  "notify": true,
+  "testEnvironment": "node",
+  "testRegex": "/src/.+\\.spec\\.ts$",
+  "roots": ["<rootDir>/src"]
+}

backend/package.json

@@ -4,12 +4,38 @@
   "description": "Ötzi game backend.",
   "main": "src/index.js",
   "scripts": {
-    "start": "node src/index.js",
-    "watch": "nodemon src/index.js"
+    "start": "ts-node src/index.ts",
+    "watch": "nodemon src/index.ts",
+    "build": "tsc",
+    "lint:check": "eslint .",
+    "lint:fix": "eslint . --fix",
+    "format:check": "prettier . --check",
+    "format:fix": "prettier . --write",
+    "style:check": "npm-run-all --serial format:check lint:check",
+    "style:fix": "npm-run-all --serial format:fix lint:fix",
+    "test": "jest",
+    "coverage": "jest --coverage",
+    "watch:test": "jest --watch"
   },
   "dependencies": {
-    "fastify": "^3.27.1",
-    "nodemon": "^2.0.15"
+    "fastify": "^3.27.1"
+  },
+  "devDependencies": {
+    "@types/jest": "^27.0.3",
+    "@types/node": "^16.11.11",
+    "@typescript-eslint/eslint-plugin": "^5.5.0",
+    "@typescript-eslint/parser": "^5.5.0",
+    "eslint": "^8.3.0",
+    "eslint-config-prettier": "^8.3.0",
+    "eslint-plugin-jest": "^25.3.0",
+    "eslint-plugin-prettier": "^4.0.0",
+    "jest": "^27.4.2",
+    "node-notifier": "^10.0.1",
+    "nodemon": "^2.0.15",
+    "prettier": "^2.5.1",
+    "ts-jest": "^27.0.7",
+    "ts-node": "^10.5.0",
+    "typescript": "^4.5.2"
   },
   "engines": {
     "node": "16.x"

backend/src/index.spec.ts

+describe("test", () => {
+  test("true is true", async () => {
+    expect(true).toEqual(true);
+  });
+});

backend/src/index.js → backend/src/index.ts

-const server = require("fastify")({
+import fastify from "fastify";
+
+const server = fastify({
   logger: false,
 });
 
@@ -6,7 +8,7 @@ server.get("/", function (request, reply) {
   reply.code(200).send("Hello, World!");
 });
 
-server.listen(process.env.PORT, "0.0.0.0", function (err, address) {
+server.listen(process.env.PORT as string, "0.0.0.0", function (err, address) {
   if (err) {
     server.log.error(err);
     process.exit(1);

backend/tsconfig.json

+{
+  "compilerOptions": {
+    "module": "commonjs",
+    "target": "es6",
+    "declaration": true,
+    "lib": ["ES6", "DOM"],
+    "outDir": "dist",
+    "rootDir": "src",
+    "strict": true,
+    "typeRoots": ["./node_modules/@types"]
+  },
+  "include": ["src/**/*"],
+  "exclude": ["src/**/*.spec.ts"]
+}