TypeScript project setup

.mocharc.js

'use strict';

module.exports = {
  spec: ['test/**/*.spec.ts'],
};

.prettierignore

/dist

.prettierrc

{
    "printWidth": 150,
    "tabWidth": 2,
    "singleQuote": true,
    "trailingComma": "none",
    "semi": true,
    "arrowParens": "always"
}

launch.json

{
    "version": "0.2.0",
    "configurations": [
        {
            "type": "node",
            "request": "launch",
            "name": "Launch TS-Demo",
            "skipFiles": [
                "<node_internals>/**"
            ],
            "program": "${workspaceFolder}/dist/index.js",
            "preLaunchTask": "tsc: build - tsconfig.json",
            "cwd": "${workspaceFolder/dist}",
            "console": "integratedTerminal",
            "outFiles": [
                "${workspaceFolder}/dist/**/*.js"
            ]
        },
        {
            "name": "Run with Watch",
            "command": "npm run dev",
            "request": "launch",
            "type": "node-terminal"
        }
    ]
}

package.json

{
  "name": "ts-demo",
  "version": "1.0.0",
  "description": "Minimal ExpressJS with TypeScript",
  "main": "dist/index.js",
  "scripts": {
    "build": "npx tsc",
    "postbuild": "npm run test",
    "dev": "ts-node-dev --respawn --pretty --transpile-only src/index.ts",
    "prestart": "npm run build",
    "start": "node .",
    "test" : "./node_modules/.bin/mocha -r ts-node/register test/**/*.spec.ts"
  },
  "keywords": [
    "typescript",
    "express"
  ],
  "author": "notessensei",
  "license": "Apache-2.0",
  "dependencies": {
    "express": "^4.18.2"
  },
  "devDependencies": {
    "@types/chai": "^4.3.5",
    "@types/chai-as-promised": "^7.1.5",
    "@types/express": "^4.17.17",
    "@types/mocha": "^10.0.1",
    "@types/node": "^20.2.5",
    "chai": "^4.3.7",
    "chai-as-promised": "^7.1.1",
    "mocha": "^10.2.0",
    "ts-node": "^10.9.1",
    "ts-node-dev": "^2.0.0",
    "typescript": "^5.1.3"
  }
}

settings.json

{
    "cmake.configureOnOpen": false,
    "editor.renderWhitespace": "all",
    "editor.fontFamily": "'Jetbrains Mono', Menlo, Monaco, 'Courier New', monospace",
    "editor.fontLigatures": true,
    "editor.formatOnSave": true,
    "editor.suggestSelection": "first",
    "editor.tabCompletion": "on",
    "editor.wordWrap": "on",
    "mochaExplorer.files": "test/**/*.ts",
    "mochaExplorer.require": "ts-node/register",
    "mochaExplorer.logpanel": true,
    "mocha-snippets.function-type": "arrow"
}

tsconfig.json

{
  "compilerOptions": {
    "target": "ES2020",
    "module": "NodeNext",
    "moduleResolution": "nodenext",
    "resolveJsonModule": true,
    "sourceMap": true,
    "outDir": "./dist",
    "esModuleInterop": true,
    "forceConsistentCasingInFileNames": true,
    "strict": true,
    "strictNullChecks": true,
    "noUnusedLocals": true,
    "noImplicitReturns": true,
    "skipLibCheck": true
  },
  "include": ["src/**/*.ts", "src/**/*.json",".env"],
  "exclude": ["node_modules","**/*spec.ts"],
  "ts-node": {
    "files": true
  }
}