NodeTS snippets to copy & paste

Useful snippets to initialize Typescript Node projects.

Next React

install.sh
npm install --save react react-dom next typescript @types/react @types/react-dom @types/node

TypeScript Node Core + Hot Reload

install.sh
npm install --save ts-node typescript @types/node ts-node-dev

package.json
...
"start": "ts-node-dev --respawn --watch main main/index.ts"
...

tsconfig.json
{
  "compilerOptions": {
    "target": "es6",
    "outDir": ".dist",
    "sourceMap": true,
    "module": "commonjs",
    "strict": true,
    "moduleResolution": "node",
    "removeComments": true,
    "emitDecoratorMetadata": true,
    "esModuleInterop": false,
    "experimentalDecorators": true,
    "forceConsistentCasingInFileNames": true
  }
}

express

install.sh
@types/express express

# websocket
@types/express-ws express-ws

# typeorm
mysql typeorm reflect-metadata typeorm-routing-controllers-extensions routing-controllers

prettier

install.sh
prettier husky lint-staged

package.json
...
"husky": {
  "hooks": {
    "pre-commit": "lint-staged"
  }
},
"lint-staged": {
  "*.{ts,tsx}": [
    "prettier --write"
  ]
},
...

prettier.config.js
module.exports = {
  trailingComma: 'es5',
  singleQuote: true,
  jsxSingleQuote: false,
  printWidth: 100,
}

jest

install.sh
npm install --save jest ts-jest @types/jest

package.json
...
"test": "jest --runInBand --silent=false --verbose false"
...

jest.config.js
module.exports = {
  "moduleFileExtensions": ["ts", "tsx", "js"],
  "transform": {
    "^.+\\.ts$": "ts-jest"
  },
  "globals": {
    "ts-jest": {
      "tsConfig": "tsconfig.server.json"
    }
  },
  "testMatch": [
    "**/tests/**/*.test.ts"
  ]
};