tsconfig.json

{
  "compilerOptions": {
    "outDir": "./dist/",
    "sourceMap": true,
    "noImplicitAny": true,
    "module": "commonjs",
    "target": "es6",
    "lib": ["esnext", "esnext.asynciterable", "es2015"],
    "experimentalDecorators": true,
    "declaration": true,
    "removeComments": false
  },
  "include": ["./src/**/*.ts"],
  "exclude": ["node_modules"]
}