Removed new state pdfDocs

- update reverse-pages function
- updated test-case

src/js/handlers/fileHandler.ts

@@ -25,9 +25,9 @@ async function handleSinglePdfUpload(toolId, file) {
   showLoader('Loading PDF...');
   try {
     const pdfBytes = await readFileAsArrayBuffer(file);
-    const pdfDoc = await PDFLibDocument.load(pdfBytes as ArrayBuffer, { ignoreEncryption: true });
-    state.pdfDocs = [pdfDoc];
-    state.pdfDoc = pdfDoc;
+    state.pdfDoc = await PDFLibDocument.load(pdfBytes as ArrayBuffer, { 
+      ignoreEncryption: true 
+    });
     hideLoader();
 
     if (
@@ -324,7 +324,6 @@ async function handleSinglePdfUpload(toolId, file) {
 }
 
 async function handleMultiFileUpload(toolId) {
-  console.log(toolId);
   if (toolId === 'merge' || toolId === 'alternate-merge' || toolId === 'reverse-pages') {
     const pdfFilesUnloaded: File[] = [];
 
@@ -347,7 +346,7 @@ async function handleMultiFileUpload(toolId) {
         };
       })
     );
-    state.pdfDocs = pdfFilesLoaded.map(p => p.pdfDoc);
+
     const foundEncryptedPDFs = pdfFilesLoaded.filter(
       (pdf) => pdf.pdfDoc.isEncrypted
     );

src/js/logic/reverse-pages.ts

@@ -6,7 +6,7 @@ import { PDFDocument as PDFLibDocument } from 'pdf-lib';
 import JSZip from 'jszip';
 
 export async function reversePages() {
-  const pdfDocs = Array.isArray(state.pdfDocs) ? state.pdfDocs : state.pdfDoc ? [state.pdfDoc] : [];
+  const pdfDocs = state.files.filter((file: File) => file.type === 'application/pdf');
   if (!pdfDocs.length) {
     showAlert('Error', 'PDF not loaded.');
     return;
@@ -15,7 +15,9 @@ export async function reversePages() {
   try {
     const zip = new JSZip();
     for (let j = 0; j < pdfDocs.length; j++) {
-      const pdfDoc = pdfDocs[j];
+      const file = pdfDocs[j];
+      const arrayBuffer = await file.arrayBuffer(); 
+      const pdfDoc = await PDFLibDocument.load(arrayBuffer);
       const newPdf = await PDFLibDocument.create();
       const pageCount = pdfDoc.getPageCount();
       const reversedIndices = Array.from(
@@ -27,7 +29,8 @@ export async function reversePages() {
       copiedPages.forEach((page: any) => newPdf.addPage(page));
 
       const newPdfBytes = await newPdf.save();
-      const fileName = pdfDocs.length > 1 ? `reversed_${j + 1}.pdf` : 'reversed.pdf';
+      const originalName = file.name.replace(/\.pdf$/i, '');
+      const fileName = `${originalName}_reversed.pdf`;
       zip.file(fileName, newPdfBytes);
     }
     const zipBlob = await zip.generateAsync({ type: 'blob' });

src/js/state.ts

@@ -1,7 +1,6 @@
 export const state = {
   activeTool: null,
   files: [],
-  pdfDocs: [],
   pdfDoc: null,
   pdfPages: [],
   currentPdfUrl: null,
@@ -11,7 +10,6 @@ export const state = {
 export function resetState() {
   state.activeTool = null;
   state.files = [];
-  state.pdfDocs = [];
   state.pdfDoc = null;
   state.pdfPages = [];
   state.currentPdfUrl = null;