[6.x] Only remove Bard set when backspace key is hit (#14189)

Author: duncanmcclean

resources/js/components/fieldtypes/bard/Set.js

@@ -1,5 +1,5 @@
 import { Node } from '@tiptap/core';
-import { Plugin, PluginKey } from '@tiptap/pm/state';
+import { Plugin, PluginKey, NodeSelection } from '@tiptap/pm/state';
 import { Slice, Fragment } from '@tiptap/pm/model';
 import { Decoration, DecorationSet } from '@tiptap/pm/view';
 import { VueNodeViewRenderer } from '@tiptap/vue-3';
@@ -86,6 +86,21 @@ export const Set = Node.create({
             return found;
         };
         return [
+            new Plugin({
+                key: new PluginKey('setBlockCharacterInput'),
+                props: {
+                    handleKeyDown(view, event) {
+                        const { selection } = view.state;
+                        if (!(selection instanceof NodeSelection) || selection.node.type !== type) return false;
+
+                        const key = event.key;
+                        if (['Backspace', 'Delete', 'Enter', 'Escape', 'Tab'].includes(key)) return false;
+                        if (key.length === 1) return true;
+
+                        return false;
+                    },
+                },
+            }),
             new Plugin({
                 key: new PluginKey('setSelectionDecorator'),
                 props: {