uppy/packages/@uppy/utils/tsconfig.build.json

{
  "extends": "../../../tsconfig.shared",
  "compilerOptions": {
    "outDir": "./lib",
    "rootDir": "./src",
    "allowJs": true
  },
  "include": ["./src/**/*.*"],
  "exclude": ["./src/**/*.test.ts"],
  "references": []
}