fix: Backspace does not work properly behind list (#5102)

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#### What type of PR is this?
/kind bug
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#### What this PR does / why we need it:
增加 `@tiptap/extension-list-keymap` 扩展，优化列表的键盘操作

#### Which issue(s) this PR fixes:
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Fixes #5065

#### Special notes for your reviewer:
测试方法：
1. 测试无序列表中和无序列表后对于删除键 `Delete` 和退格键 `backspace` 的支持是否符合预期
2. 测试有序列表中和有序列表后对于删除键 `Delete` 和退格键 `backspace` 的支持是否符合预期
![2023-12-22](https://github.com/halo-dev/halo/assets/50261327/ebdc1364-bfd6-4e2f-acf0-444a03f40299)
3. 测试选择部分列表项后对于删除键 `Delete` 和退格键 `backspace` 的支持是否符合预期
4. 测试 `Ctrl-A` 全选后对于删除键 `Delete` 和退格键 `backspace` 的支持是否符合预期
![selectAll](https://github.com/halo-dev/halo/assets/50261327/c9a69c7a-b8d7-4532-8931-16fa2bc0b41a)

#### Does this PR introduce a user-facing change?

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```release-note
修复无法删除有序/无序列表后空行的问题
```

console/packages/editor/package.json

@@ -61,6 +61,7 @@
     "@tiptap/extension-italic": "^2.1.10",
     "@tiptap/extension-link": "^2.1.10",
     "@tiptap/extension-list-item": "^2.1.10",
+    "@tiptap/extension-list-keymap": "^2.1.10",
     "@tiptap/extension-ordered-list": "^2.1.10",
     "@tiptap/extension-paragraph": "^2.1.10",
     "@tiptap/extension-placeholder": "^2.1.10",

console/packages/editor/src/dev/App.vue

@@ -43,6 +43,7 @@ import {
   ExtensionColumn,
   ExtensionNodeSelected,
   ExtensionTrailingNode,
+  ExtensionListKeymap,
 } from "../index";
 
 const content = useLocalStorage("content", "");
@@ -107,6 +108,7 @@ const editor = useEditor({
     ExtensionColumn,
     ExtensionNodeSelected,
     ExtensionTrailingNode,
+    ExtensionListKeymap,
   ],
   onUpdate: () => {
     content.value = editor.value?.getHTML() + "";

console/packages/editor/src/extensions/index.ts

@@ -13,6 +13,7 @@ import ExtensionSubscript from "./subscript";
 import ExtensionBulletList from "./bullet-list";
 import ExtensionOrderedList from "./ordered-list";
 import ExtensionTaskList from "./task-list";
+import ExtensionListKeymap from "./list-keymap";
 import ExtensionTable from "./table";
 import ExtensionTextAlign from "./text-align";
 import ExtensionTextStyle from "@tiptap/extension-text-style";
@@ -142,4 +143,5 @@ export {
   ExtensionColumn,
   ExtensionNodeSelected,
   ExtensionTrailingNode,
+  ExtensionListKeymap,
 };

console/packages/editor/src/extensions/list-keymap/index.ts

@@ -0,0 +1,48 @@
+import {
+  listHelpers,
+  ListKeymap,
+  type ListKeymapOptions,
+} from "@tiptap/extension-list-keymap";
+import { Editor } from "@tiptap/core";
+
+/**
+ *  Optimize the listKeymap extension until the issue with @tiptap/extension-list-keymap is resolved.
+ *  https://github.com/ueberdosis/tiptap/issues/4395
+ */
+const ExtensionListKeymap = ListKeymap.extend<ListKeymapOptions>({
+  addKeyboardShortcuts() {
+    const backspaceHandle = (editor: Editor) => {
+      let handled = false;
+
+      if (!editor.state.selection.empty) {
+        editor.commands.deleteSelection();
+        return true;
+      }
+
+      this.options.listTypes.forEach(
+        ({
+          itemName,
+          wrapperNames,
+        }: {
+          itemName: string;
+          wrapperNames: string[];
+        }) => {
+          if (listHelpers.handleBackspace(editor, itemName, wrapperNames)) {
+            handled = true;
+          }
+        }
+      );
+
+      return handled;
+    };
+
+    return {
+      Backspace: ({ editor }: { editor: Editor }) => backspaceHandle(editor),
+
+      "Mod-Backspace": ({ editor }: { editor: Editor }) =>
+        backspaceHandle(editor),
+    };
+  },
+});
+
+export default ExtensionListKeymap;

console/src/components/editor/DefaultEditor.vue

@@ -48,6 +48,7 @@ import {
   Plugin,
   PluginKey,
   DecorationSet,
+  ExtensionListKeymap,
 } from "@halo-dev/richtext-editor";
 import {
   IconCalendar,
@@ -318,6 +319,7 @@ onMounted(() => {
           ];
         },
       }),
+      ExtensionListKeymap,
     ],
     autofocus: "start",
     onUpdate: () => {