next.js/turbopack/crates/turbopack-ecmascript-runtime/js/src/shared/tsconfig.json

{
  "extends": "../tsconfig.base.json",
  "compilerOptions": {
    // environment, we need WebWorker for WebAssembly types
    "lib": ["ESNext", "WebWorker"]
  },
  "include": ["*.ts"]
}