tsconfig.json

{
    "compilerOptions": {
        "lib": [
            "es6"
        ],
        "noImplicitAny": true,
        "noImplicitThis": true,
        "strict": true,
        "noEmit": true,
        "allowJs": true
    },
    "files": [
        "index.d.ts",
        "typings-test.js"
    ]
}