tsconfig.json

{
  "compilerOptions": {
    "allowJs": false,
    "allowSyntheticDefaultImports": false,
    "declaration": true,
    "esModuleInterop": true,
    "forceConsistentCasingInFileNames": true,
    "lib": ["es2015", "esnext"],
    "module": "es2015",
    "moduleResolution": "node",
    "noImplicitAny": true,
    "noImplicitReturns": true,
    "noImplicitThis": true,
    "noUnusedParameters": true,
    "noUnusedLocals": true,
    "outDir": "dist",
    "pretty": true,
    "removeComments": true,
    "rootDir": ".",
    "skipLibCheck": false,
    "sourceMap": false,
    "strictNullChecks": true,
    "target": "es2015"
  },
  "exclude": ["node_modules", "dist", "test"]
}