docusaurus/packages/docusaurus-theme-classic/tsconfig.json

{
  "extends": "../../tsconfig.json",
  "compilerOptions": {
    "lib": ["DOM", "ES2019"],
    "module": "esnext",
    "noEmit": true,
    "jsx": "react",
    "baseUrl": "src"
  },
  "include": ["src/"]
}