tsconfig.json

{
  "compilerOptions": {
    "module": "commonjs",
    "target": "es6",
    "sourceMap": true,
    "outDir": "dist",
    "lib": ["es5",
      "es6",
      "dom",
      "es2015.core",
      "es2015.collection",
      "es2015.generator",
      "es2015.iterable",
      "es2015.promise",
      "es2015.proxy",
      "es2015.reflect",
      "es2015.symbol",
      "es2015.symbol.wellknown",
      "esnext.asynciterable"]
  },
  "exclude": [
    "node_modules"
  ]
}