Grabbed dndbeyond's source code

```
~/go/bin/sourcemapper -output ddb -jsurl https://media.dndbeyond.com/character-app/static/js/main.90aa78c5.js
```

ddb_main/hooks/usePdfExport.ts

@@ -0,0 +1,58 @@
+import { useCallback, useState } from "react";
+import { useDispatch, useSelector } from "react-redux";
+
+import {
+  ApiAdapterUtils,
+  ApiRequests,
+  characterActions,
+  rulesEngineSelectors,
+  syncTransactionActions,
+} from "@dndbeyond/character-rules-engine";
+
+import { toastMessageActions } from "~/tools/js/Shared/actions";
+
+export interface ExportPdfData {
+  exportPdf: () => void;
+  pdfUrl: string | null;
+  isLoading: boolean;
+  isFinished: boolean;
+}
+export const usePdfExport = (): ExportPdfData => {
+  const [isFinished, setIsFinished] = useState(false);
+  const [isLoading, setIsLoading] = useState(false);
+  const [pdfUrl, setPdfUrl] = useState<string | null>(null);
+  const pdfData = useSelector(rulesEngineSelectors.getPdfExportData);
+
+  const dispatch = useDispatch();
+
+  const exportPdf = useCallback(async () => {
+    try {
+      setIsLoading(true);
+
+      let syncActivationId: string = "PDF-SYNC";
+      dispatch(syncTransactionActions.activate(syncActivationId));
+
+      //This will update the character's spell data before export is created
+      //(in case a user is in the builder and has not updated their class spells)
+      dispatch(characterActions.loadLazyCharacterData());
+
+      const response = await ApiRequests.postCharacterPdf({
+        exportData: JSON.stringify(pdfData),
+      });
+      const pdfUrl = ApiAdapterUtils.getResponseData(response);
+
+      if (pdfUrl) {
+        setPdfUrl(pdfUrl);
+        dispatch(syncTransactionActions.deactivate());
+      }
+    } catch (error) {
+      dispatch(
+        toastMessageActions.toastError("Error", "An unexpected error occurred.")
+      );
+    } finally {
+      setIsLoading(false);
+      setIsFinished(true);
+    }
+  }, []);
+  return { exportPdf, pdfUrl, isLoading, isFinished };
+};