ESLint + Prettier

pnpm add -D eslint prettier eslint-config-prettier eslint-plugin-prettier @typescript-eslint/parser @typescript-eslint/eslint-plugin

{
  "parser": "@typescript-eslint/parser",
  "plugins": ["@typescript-eslint", "prettier"],
  "extends": ["eslint:recommended", "plugin:@typescript-eslint/recommended", "plugin:prettier/recommended"],
  "env": {
    "node": true,
    "es2020": true
  },
  "rules": {
    "prettier/prettier": "error"
  }
}

{
  "semi": true,
  "singleQuote": true,
  "printWidth": 100,
  "tabWidth": 2,
  "trailingComma": "es5"
}

"scripts": {
  "lint": "eslint . --ext .ts",
  "format": "prettier --write ."
}