@vllnt/typescript

Shared TypeScript configurations for vllnt projects. Strict, modern, Node 22+.

Install

npm install -D @vllnt/typescript

Presets

Preset	Use case	Module	Target
base.json	Foundation (extended by others)	-	-
nodejs.json	Node.js applications	NodeNext	ES2024
node-library.json	Publishable npm packages	NodeNext	ES2024
react.json	React apps (Vite, CRA, etc.)	ESNext	ES2022
nextjs.json	Next.js applications	ESNext	ES2022

Usage

Extend a preset in your tsconfig.json:

Node.js application

{
  "extends": "@vllnt/typescript/nodejs.json",
  "compilerOptions": {
    "outDir": "dist",
    "rootDir": "src"
  },
  "include": ["src"]
}

Node library (npm package)

{
  "extends": "@vllnt/typescript/node-library.json",
  "compilerOptions": {
    "outDir": "dist",
    "rootDir": "src"
  },
  "include": ["src"]
}

React

{
  "extends": "@vllnt/typescript/react.json",
  "compilerOptions": {
    "outDir": "dist",
    "rootDir": "src"
  },
  "include": ["src"]
}

Next.js

{
  "extends": "@vllnt/typescript/nextjs.json",
  "include": ["next-env.d.ts", "**/*.ts", "**/*.tsx", ".next/types/**/*.ts"],
  "exclude": ["node_modules"]
}

What's included

All presets extend base.json which enforces:

• strict: true
• isolatedModules: true
• noUncheckedIndexedAccess: true
• skipLibCheck: true
• esModuleInterop: true
• resolveJsonModule: true

Requirements

• Node.js >= 22
• TypeScript >= 5.0

License

MIT