tsconfig.json

{
  "compilerOptions": {
    "target": "es2016",
    "module": "commonjs",
    "esModuleInterop": true,
    "forceConsistentCasingInFileNames": true,
    "strict": true,
    "skipLibCheck": true,
    "isolatedModules": true,
    "allowSyntheticDefaultImports": true,
    "experimentalDecorators": true,
    "sourceMap": true,
    "resolveJsonModule": true,
    "rootDir": ".",
    "noEmitOnError": true,
    "noImplicitAny": true,
    "strictNullChecks": true,
    "strictFunctionTypes": true,
    "strictPropertyInitialization": true,
    "noImplicitThis": true,
    "alwaysStrict": true,
    "noUncheckedIndexedAccess": true,
    "strictBindCallApply": true,
    "noUnusedLocals": false,
    "noUnusedParameters": false,
    "noImplicitReturns": true,
    "noFallthroughCasesInSwitch": true,
    "declaration": false,
    "plugins": [{ "name": "typescript-eslint-language-service" }]
  },
  "ts-node": { "files": true },
  "includes": ["index.ts", "src/**/.ts", "test/**/.ts"]
}