js/tsconfig.json

{
  "compilerOptions": {
    "module": "commonjs",
    "target": "es5",
    "lib": ["es2015", "dom"],
    "outDir": "lib",
    "moduleResolution": "node",
    "sourceMap": true,
    "declaration": true
  },
  "include": [
    "src/*.ts"
  ]
}