Merge pull request #919 from kelseyjmw/fix-crop-scroll

Fix crop scroll

src/js/logic/crop-pdf-page.ts

@@ -424,7 +424,7 @@ async function performFlatteningCrop(
   return newPdfDoc.save();
 }
 
-function resetState() {
+export function resetState() {
   if (cropperState.cropper) {
     cropperState.cropper.destroy();
     cropperState.cropper = null;
@@ -447,4 +447,6 @@ function resetState() {
 
   const cropBtn = document.getElementById('crop-button') as HTMLButtonElement;
   if (cropBtn) cropBtn.disabled = true;
+
+  window.scrollTo({ top: 0, behavior: 'smooth' });
 }

src/tests/crop-pdf-page.test.ts

@@ -0,0 +1,18 @@
+import { describe, it, expect, vi, beforeEach } from 'vitest';
+import { resetState } from '../js/logic/crop-pdf-page.ts';
+
+// Test resetState function for cropping
+describe('resetState', () => {
+  beforeEach(() => {
+    vi.spyOn(window, 'scrollTo').mockImplementation(() => {});
+  });
+
+  it('scrolls the page to the top after resetting', () => {
+    resetState();
+
+    expect(window.scrollTo).toHaveBeenCalledWith({
+      top: 0,
+      behavior: 'smooth',
+    });
+  });
+});