Improved validation to prevent Cypress (and manual triggers) failing

Author: oscar-escire

.gitignore

@@ -35,9 +35,9 @@ package-lock.json
 
 .java-version
 
-.env
 /nbproject/
 
 junit.xml
 
 /src/mirador-viewer/config.local.js
+config.bat

postcss.config.js

@@ -64,7 +64,9 @@ export class FileDropzoneNoUploaderComponent implements OnInit {
   @HostListener('window:dragover', ['$event'])
   onDragOver(event: any) {
     // Only show drop area when dragging files, not text selections (fixes Firefox bug)
-    if (!event.dataTransfer?.types?.includes('Files')) {
+    const hasFiles = event.dataTransfer?.types ? Array.from(event.dataTransfer.types).includes('Files') : true;
+
+    if (!hasFiles) {
       return;
     }
     // Show drop area on the page

src/app/shared/upload/file-dropzone-no-uploader/file-dropzone-no-uploader.component.ts

@@ -88,7 +88,9 @@ export class UploaderComponent {
 
     if (this.enableDragOverDocument && this.dragService.isAllowedDragOverPage()) {
       // Only show drop area when dragging files, not text selections (fixes Firefox bug)
-      if (!event.dataTransfer?.types?.includes('Files')) {
+      const hasFiles = event.dataTransfer?.types ? Array.from(event.dataTransfer.types).includes('Files') : true;
+
+      if (!hasFiles) {
         return;
       }
       // Show drop area on the page