tsconfig.json

{
    "compilerOptions": {
        "lib": [
            "dom",
            "es5",
            "es2015.collection",
            "es2015.iterable",
            "es2015.promise",
            "es2017"
        ],
        "rootDirs": [
            ".",
            "../dist/bin"
        ],
        "experimentalDecorators": true
    }
}