fix: resolve all TypeScript errors

- Add undefined checks for tool content
- Remove duplicate property definitions in filetype-categories
- Fix type mismatches in video converter
- Handle SharedArrayBuffer conversion properly

Author: devinschumacher

app/tools/avif-to-jpg/page.tsx

@@ -6,6 +6,10 @@ import { toolContent } from '@/lib/tool-content';
 export default function Page() {
   const content = toolContent["avif-to-jpg"];
 
+  if (!content) {
+    return <div>Tool content not found</div>;
+  }
+  
   return (
     <ToolPageTemplate
       tool={content.tool}

lib/convert/video.ts

@@ -43,8 +43,12 @@ export async function convertVideo(
 
   // Set up progress callback
   if (options.onProgress) {
-    ff.on('progress', (event) => {
-      options.onProgress?.(event);
+    ff.on('progress', (event: any) => {
+      // Convert FFmpeg progress event to expected format
+      options.onProgress?.({
+        ratio: event.progress || 0,
+        time: event.time || 0
+      });
     });
   }
 
@@ -128,6 +132,11 @@ export async function convertVideo(
   // Read output file
   const data = await ff.readFile(outputName);
 
+  // Ensure we have a Uint8Array
+  if (!(data instanceof Uint8Array)) {
+    throw new Error('Unexpected output format from FFmpeg');
+  }
+  
   console.log(`Output file size: ${data.length} bytes`);
 
   // Cleanup
@@ -141,8 +150,18 @@ export async function convertVideo(
     console.warn('Cleanup error:', cleanupErr);
   }
 
-  // Return the Uint8Array buffer
-  return data instanceof Uint8Array ? data.buffer : data;
+  // Return the ArrayBuffer (handle both ArrayBuffer and SharedArrayBuffer)
+  const buffer = data.buffer.slice(data.byteOffset, data.byteOffset + data.byteLength);
+  
+  // Ensure we return an ArrayBuffer, not SharedArrayBuffer
+  if (buffer instanceof SharedArrayBuffer) {
+    const ab = new ArrayBuffer(buffer.byteLength);
+    const view = new Uint8Array(ab);
+    view.set(new Uint8Array(buffer));
+    return ab;
+  }
+  
+  return buffer;
 }
 
 export async function cleanupFFmpeg() {

lib/filetype-categories.ts

@@ -309,7 +309,6 @@ export const extensionToCategory: Record<string, FileCategory> = {
   'stl': 'cad',
   'obj': 'cad',
   'fbx': 'cad',
-  '3ds': 'cad',
   'dae': 'cad',
   'blend': 'cad',
   'max': 'cad',
@@ -332,13 +331,11 @@ export const extensionToCategory: Record<string, FileCategory> = {
   'topojson': 'gis',
   'osm': 'gis',
   'gml': 'gis',
-  'gdb': 'gis',
   'mxd': 'gis',
   'qgs': 'gis',
   'qgz': 'gis',
   'tab': 'gis',
   'shx': 'gis',
-  'dbf': 'gis',
   'prj': 'gis',
   'sbn': 'gis',
   'sbx': 'gis',
@@ -350,7 +347,6 @@ export const extensionToCategory: Record<string, FileCategory> = {
   'dylib': 'plugin',
   'vst': 'plugin',
   'vst3': 'plugin',
-  'au': 'plugin',
   'aax': 'plugin',
   'component': 'plugin',
   'plugin': 'plugin',
@@ -454,8 +450,6 @@ export const extensionToCategory: Record<string, FileCategory> = {
   'toast': 'disk',
   'sparseimage': 'disk',
   'sparsebundle': 'disk',
-  'dmg': 'disk',
-  'cdr': 'disk',
   'wim': 'disk',
   'swm': 'disk',
   'esd': 'disk',
@@ -485,12 +479,10 @@ export const extensionToCategory: Record<string, FileCategory> = {
   // Data Files
   'dat': 'data',
   'data': 'data',
-  'sav': 'data',
   'save': 'data',
   'rdata': 'data',
   'mat': 'data',
   'sas7bdat': 'data',
-  'sav': 'data',
   'dta': 'data',
   'por': 'data',
   'sas': 'data',