{
  "compilerOptions": {
    "outDir": "lib"
  },
  "files": [
    "src/index.ts"
   ]
}

{
  "compilerOptions": {
    "outDir": "lib",
    "sourceMap": true
  },
  "files": [
    "src/index.ts"
   ]
}

Include source maps in npm package
Include source maps in npm package
