mux-fetch/tsconfig.json

{
  "compilerOptions": {
    "target": "esnext",
    "moduleResolution": "node",
    "experimentalDecorators": true,
    "jsx": "react",
    "esModuleInterop": true,
    "module": "esnext",
    "declaration": true,
    "declarationDir": "./types"
  },
  "include": ["src/**/*"],
  "exclude": ["node_modules"]
}