Enable isolatedModules: true

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

@@ -11,19 +11,23 @@
 // 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
-try {
-  // eslint-disable-next-line global-require
-  module.exports = 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 = {
-    useAllDocsData: () => Empty,
-    useActivePluginAndVersion: () => undefined,
-  };
+function getExport() {
+  try {
+    // eslint-disable-next-line global-require
+    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 = {};
+    return {
+      useAllDocsData: () => Empty,
+      useActivePluginAndVersion: () => undefined,
+    };
+  }
 }
 
+export default getExport();
+
 /*
 throw new Error(
   "The docs plugin is not used, so you can't require the useDocs hooks. ",

tsconfig.json

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