tsconfig.json

{
    "files": [
        "src/index.ts"
    ],
    "compilerOptions": {
        "target": "es2015",
        "module": "es2015",
        "declaration": true,
        "outDir": "./dist",
        "noEmit": false,
        "strict": true,
        "noImplicitAny": true,
        "strictNullChecks": true,
        "strictFunctionTypes": true,
        "strictBindCallApply": true,
        "strictPropertyInitialization": true,
        "noImplicitThis": true,
        "alwaysStrict": true,
        "noUnusedLocals": true,
        "noUnusedParameters": true,
        "noImplicitReturns": true,
        "noFallthroughCasesInSwitch": true,
        "noUncheckedIndexedAccess": true,
        "noImplicitOverride": true,
        "noPropertyAccessFromIndexSignature": true,
        "esModuleInterop": true,
        "forceConsistentCasingInFileNames": true,
        "skipLibCheck": true
    }
}