tsconfig.json

{
  "compilerOptions": {
    "module": "commonjs",
    "target": "es5",
    "moduleResolution": "node",
    "sourceMap": true,
    "outDir": "dist",
    "lib": ["es6", "dom"],
    "strictNullChecks": false,
    "pretty": true,
    "rootDir": ".",
    "forceConsistentCasingInFileNames": true
  },
  "exclude": ["node_modules", "node_modules/**", "dist"],
  "include": ["./src/**/*.ts", "./examples/**/*.ts"]
}