From 5eeebbf71324f3b2830c973f91a558f682946833 Mon Sep 17 00:00:00 2001
From: wangfupeng <wangfupeng1988@163.com>
Date: Fri, 13 May 2022 15:59:00 +0800
Subject: [PATCH] refactor: isLastNode

---
 .../src/modules/code-block/plugin.ts          |  9 ++---
 .../src/modules/divider/plugin.ts             |  9 ++---
 packages/core/src/editor/dom-editor.ts        | 11 ++++++
 packages/table-module/src/module/plugin.ts    | 38 ++-----------------
 packages/video-module/src/module/plugin.ts    |  9 ++---
 5 files changed, 23 insertions(+), 53 deletions(-)

diff --git a/packages/basic-modules/src/modules/code-block/plugin.ts b/packages/basic-modules/src/modules/code-block/plugin.ts
index 999bbf2c3..83f90ea67 100644
--- a/packages/basic-modules/src/modules/code-block/plugin.ts
+++ b/packages/basic-modules/src/modules/code-block/plugin.ts
@@ -61,12 +61,9 @@ function withCodeBlock<T extends IDomEditor>(editor: T): T {
     }
 
     if (type === 'pre') {
-      const editorChildren = newEditor.children
-      const editorChildrenLength = editorChildren.length
-      const isLastNode = editorChildren[editorChildrenLength - 1] === node
-
-      if (isLastNode) {
-        // -------------- pre 是 editor 最后一个节点，需要后面插入 p --------------
+      // -------------- pre 是 editor 最后一个节点，需要后面插入 p --------------
+      const isLast = DomEditor.isLastNode(newEditor, node)
+      if (isLast) {
         Transforms.insertNodes(newEditor, genEmptyP(), { at: [path[0] + 1] })
       }
 
diff --git a/packages/basic-modules/src/modules/divider/plugin.ts b/packages/basic-modules/src/modules/divider/plugin.ts
index 32d1df07e..5ef40f4ba 100644
--- a/packages/basic-modules/src/modules/divider/plugin.ts
+++ b/packages/basic-modules/src/modules/divider/plugin.ts
@@ -33,12 +33,9 @@ function withDivider<T extends IDomEditor>(editor: T): T {
       return normalizeNode([node, path])
     }
 
-    const editorChildren = newEditor.children
-    const editorChildrenLength = editorChildren.length
-    const isLastNode = editorChildren[editorChildrenLength - 1] === node
-
-    if (isLastNode) {
-      // -------------- divider 是 editor 最后一个节点，需要后面插入 p --------------
+    // -------------- divider 是 editor 最后一个节点，需要后面插入 p --------------
+    const isLast = DomEditor.isLastNode(newEditor, node)
+    if (isLast) {
       Transforms.insertNodes(newEditor, genEmptyP(), { at: [path[0] + 1] })
     }
   }
diff --git a/packages/core/src/editor/dom-editor.ts b/packages/core/src/editor/dom-editor.ts
index 35c63d48b..3aa98f96d 100644
--- a/packages/core/src/editor/dom-editor.ts
+++ b/packages/core/src/editor/dom-editor.ts
@@ -738,4 +738,15 @@ export const DomEditor = {
       }
     }
   },
+
+  /**
+   * 是否是编辑器里最后一个元素
+   * @param editor editor
+   * @param node node
+   */
+  isLastNode(editor: IDomEditor, node: Node) {
+    const editorChildren = editor.children || []
+    const editorChildrenLength = editorChildren.length
+    return editorChildren[editorChildrenLength - 1] === node
+  },
 }
diff --git a/packages/table-module/src/module/plugin.ts b/packages/table-module/src/module/plugin.ts
index 3a0cf0868..f3b785ab8 100644
--- a/packages/table-module/src/module/plugin.ts
+++ b/packages/table-module/src/module/plugin.ts
@@ -125,44 +125,12 @@ function withTable<T extends IDomEditor>(editor: T): T {
       // 未命中 table ，执行默认的 normalizeNode
       return normalizeNode([node, path])
     }
-    const topLevelNodes = newEditor.children || []
-    const topLevelNodesLength = topLevelNodes.length
-    const isLastNode = topLevelNodes[topLevelNodesLength - 1] === node
 
-    if (isLastNode) {
-      // -------------- table 是 editor 最后一个节点，需要后面插入 p --------------
+    // -------------- table 是 editor 最后一个节点，需要后面插入 p --------------
+    const isLast = DomEditor.isLastNode(newEditor, node)
+    if (isLast) {
       Transforms.insertNodes(newEditor, genEmptyParagraph(), { at: [path[0] + 1] })
     }
-
-    // --------------------- table 后面必须跟一个 p header blockquote（否则后面无法继续输入文字） ---------------------
-    const nextNode = topLevelNodes[path[0] + 1] || {}
-    if (SlateElement.isElement(nextNode)) {
-      const { type: nextNodeType = '' } = nextNode
-      if (
-        nextNodeType !== 'paragraph' &&
-        nextNodeType !== 'blockquote' &&
-        !nextNodeType.startsWith('header')
-      ) {
-        // table node 后面不是 p 或 header ，则插入一个空 p
-        const p = genEmptyParagraph()
-        const insertPath = [path[0] + 1]
-        Transforms.insertNodes(newEditor, p, {
-          at: insertPath, // 在表格后面插入
-        })
-      }
-    }
-
-    // --------------------- table 前面不能是 table 或者 void（否则前面插入 p） ---------------------
-    const prevNode = topLevelNodes[path[0] - 1] || {}
-    if (SlateElement.isElement(prevNode)) {
-      const prevNodeType = DomEditor.getNodeType(prevNode)
-      if (prevNodeType === 'table' || newEditor.isVoid(prevNode)) {
-        const p = genEmptyParagraph()
-        Transforms.insertNodes(newEditor, p, {
-          at: path, // 在表格前面插入
-        })
-      }
-    }
   }
 
   // 重写 insertData - 粘贴文本
diff --git a/packages/video-module/src/module/plugin.ts b/packages/video-module/src/module/plugin.ts
index 9b3257915..b3aaf422b 100644
--- a/packages/video-module/src/module/plugin.ts
+++ b/packages/video-module/src/module/plugin.ts
@@ -32,12 +32,9 @@ function withVideo<T extends IDomEditor>(editor: T): T {
 
     // ----------------- video 后面必须跟一个 p header blockquote -----------------
     if (type === 'video') {
-      const editorChildren = newEditor.children
-      const editorChildrenLength = editorChildren.length
-      const isLastNode = editorChildren[editorChildrenLength - 1] === node
-
-      if (isLastNode) {
-        // -------------- video 是 editor 最后一个节点，需要后面插入 p --------------
+      // -------------- video 是 editor 最后一个节点，需要后面插入 p --------------
+      const isLast = DomEditor.isLastNode(newEditor, node)
+      if (isLast) {
         Transforms.insertNodes(newEditor, genEmptyP(), { at: [path[0] + 1] })
       }
     }