Enable isolatedModules: true

packages/docusaurus-theme-classic/src/theme/hooks/useDocs.ts

@@ -11,18 +11,22 @@
 // TODO this is not ideal and produce a warning!
 // see https://github.com/webpack/webpack/issues/7713#issuecomment-467888437
 // note: warning can be filtered: https://github.com/facebook/docusaurus/pull/3382#issuecomment-684966924
+function getExport() {
   try {
     // eslint-disable-next-line global-require
-  module.exports = require('@theme-init/hooks/useDocs');
+    return require('@theme-init/hooks/useDocs');
   } catch (e) {
     // In case the docs plugin is not available, might be useful to stub some methods here
     // https://github.com/facebook/docusaurus/issues/3947
     const Empty = {};
-  module.exports = {
+    return {
       useAllDocsData: () => Empty,
       useActivePluginAndVersion: () => undefined,
     };
   }
+}
+
+export default getExport();
 
 /*
 throw new Error(

tsconfig.json

@@ -28,6 +28,7 @@
     "moduleResolution": "node",
     "allowSyntheticDefaultImports": true,
     "esModuleInterop": true,
+    "isolatedModules": true,
 
     /* Advanced Options */
     "resolveJsonModule": true,