tsconfig.json

{
    "compilerOptions": {
        "module": "commonjs",
        "moduleResolution": "node",
        "pretty": true,
        "sourceMap": true,
        "target": "es5",
        "outDir": "./dist",
        "experimentalDecorators": true,
        "declaration": true,
        "typeRoots": [
            "node_modules/@types"
        ]
    },
    "include": [
        "./src/**/*.ts"
    ]
}