tsconfig.json

{
    "compilerOptions": {
        "target": "es5",
        "lib": [
            "esnext",
            "esnext.asynciterable",
            "dom"
        ],
        "moduleResolution": "node",
        "esModuleInterop": true,
        "resolveJsonModule": true,
        "downlevelIteration": true,
        "declaration": true,
        "skipLibCheck": true,
        "outDir": "dist"
    },
    "include": [
        "index.ts",
        "builder"
    ]
}