database expansion prior to creating on server - also error cleanup, some logging

src/utils/pdfConverter.ts

@@ -1,12 +1,5 @@
-/**
- * This interface defines the shape of the pdf.js page object that we use.
- * Since pdf.js is loaded from a CDN, we don't have its types available
- * at build time, so we define the parts we need here for type safety.
- */
-interface PDFPageProxy {
-  getViewport: (options: { scale: number }) => { width: number; height: number };
-  render: (options: { canvasContext: CanvasRenderingContext2D; viewport: { width: number; height: number } }) => { promise: Promise<void> };
-}
+import * as pdfjsLib from 'pdfjs-dist';
+import type { PDFDocumentProxy, PDFPageProxy, PageViewport } from 'pdfjs-dist';
 
 /**
  * Renders a single PDF page to a canvas and returns it as a JPEG File object.
@@ -33,7 +26,7 @@ const renderPageToImageFile = async (
     throw new Error('Could not get canvas context');
   }
 
-  await pdfPage.render({ canvasContext: context, viewport: viewport }).promise;
+  await pdfPage.render({ canvas, canvasContext: context, viewport: viewport as PageViewport }).promise;
 
   // Promisify canvas.toBlob for async/await usage
   const blob = await new Promise<Blob | null>((resolve) => {
@@ -54,13 +47,8 @@ const renderPageToImageFile = async (
  * @returns A promise that resolves to the pdf.js document object.
  */
 const getPdfDocument = async (pdfFile: File) => {
-  // @ts-expect-error - pdfjsLib is globally available from the script tag in index.html
-  if (typeof pdfjsLib === 'undefined') {
-    throw new Error('pdf.js library is not loaded. Please check the script tag in index.html.');
-  }
   const arrayBuffer = await pdfFile.arrayBuffer();
-  // @ts-expect-error - pdfjsLib is globally available
-  const pdf = await pdfjsLib.getDocument(arrayBuffer).promise;
+  const pdf: PDFDocumentProxy = await pdfjsLib.getDocument(arrayBuffer).promise;
   return pdf;
 };