potree-sdk/libs/npyjs/tsconfig.json

{
  // Change this to match your project
  "include": ["index.js"],
  "compilerOptions": {
    // Tells TypeScript to read JS files, as
    // normally they are ignored as source files
    "allowJs": true,
    // Generate d.ts files
    "declaration": true,
    // This compiler run should
    // only output d.ts files
    "emitDeclarationOnly": true,
    "target": "ES6"
  }
}