setup i18n and ported all tools to standalone pages

src/js/utils/full-width.ts

@@ -14,10 +14,10 @@ export function applyFullWidthMode(enabled: boolean) {
     const pageUploaders = document.querySelectorAll('#tool-uploader');
     pageUploaders.forEach((uploader) => {
         if (enabled) {
-            uploader.classList.remove('max-w-2xl', 'max-w-5xl');
+            uploader.classList.remove('max-w-2xl', 'max-w-4xl', 'max-w-5xl');
         } else {
             // Restore original max-width if not already present
-            if (!uploader.classList.contains('max-w-2xl') && !uploader.classList.contains('max-w-5xl')) {
+            if (!uploader.classList.contains('max-w-2xl') && !uploader.classList.contains('max-w-4xl') && !uploader.classList.contains('max-w-5xl')) {
                 uploader.classList.add('max-w-2xl');
             }
         }

src/js/utils/helpers.ts

@@ -69,7 +69,7 @@ export const formatBytes = (bytes: any, decimals = 1) => {
   return parseFloat((bytes / Math.pow(k, i)).toFixed(dm)) + ' ' + sizes[i];
 };
 
-export const downloadFile = (blob: any, filename: any) => {
+export const downloadFile = (blob: Blob, filename: string): void => {
   const url = URL.createObjectURL(blob);
   const a = document.createElement('a');
   a.href = url;
@@ -89,12 +89,12 @@ export const readFileAsArrayBuffer = (file: any) => {
   });
 };
 
-export function parsePageRanges(rangeString: any, totalPages: any) {
+export function parsePageRanges(rangeString: string, totalPages: number): number[] {
   if (!rangeString || rangeString.trim() === '') {
     return Array.from({ length: totalPages }, (_, i) => i);
   }
 
-  const indices = new Set();
+  const indices = new Set<number>();
   const parts = rangeString.split(',');
 
   for (const part of parts) {
@@ -128,10 +128,11 @@ export function parsePageRanges(rangeString: any, totalPages: any) {
     }
   }
 
-  // @ts-expect-error TS(2362) FIXME: The left-hand side of an arithmetic operation must... Remove this comment to see the full error message
+
   return Array.from(indices).sort((a, b) => a - b);
 }
 
+
 /**
  * Formats an ISO 8601 date string (e.g., "2008-02-21T17:15:56-08:00")
  * into a localized, human-readable string.

src/js/utils/rotation-state.ts

@@ -0,0 +1,23 @@
+// Rotation state management for PDF pages
+const rotationState: number[] = [];
+
+export function getRotationState(): readonly number[] {
+    return rotationState;
+}
+
+export function updateRotationState(pageIndex: number, rotation: number) {
+    if (pageIndex >= 0 && pageIndex < rotationState.length) {
+        rotationState[pageIndex] = rotation;
+    }
+}
+
+export function resetRotationState() {
+    rotationState.length = 0;
+}
+
+export function initializeRotationState(pageCount: number) {
+    rotationState.length = 0;
+    for (let i = 0; i < pageCount; i++) {
+        rotationState.push(0);
+    }
+}