add event clear-cell-area-selection

package.json

@@ -1,6 +1,6 @@
 {
   "name": "vxe-table",
-  "version": "4.7.33",
+  "version": "4.7.34",
   "description": "一个基于 vue 的 PC 端表格组件，支持增删改查、虚拟树、列拖拽，懒加载、快捷菜单、数据校验、树形结构、打印、导入导出、自定义模板、渲染器、JSON 配置式...",
   "scripts": {
     "update": "npm install --legacy-peer-deps",
@@ -28,7 +28,7 @@
   "style": "lib/style.css",
   "typings": "types/index.d.ts",
   "dependencies": {
-    "vxe-pc-ui": "^4.0.31"
+    "vxe-pc-ui": "^4.0.33"
   },
   "devDependencies": {
     "@types/resize-observer-browser": "^0.1.11",

packages/table/src/emits.ts

@@ -64,6 +64,7 @@ export default [
   'cell-area-cut',
   'cell-area-paste',
   'cell-area-merge',
+  'clear-cell-area-selection',
   'clear-cell-area-merge',
   'header-cell-area-selection',
   'cell-area-selection-invalid',

packages/table/src/table.ts

@@ -4773,10 +4773,12 @@ export default defineComponent({
           }
           if (areaOpts.autoClear) {
             if ($xeTable.clearCellAreas) {
-              if (!getEventTargetNode(evnt, document.body, 'vxe-table--ignore-areas-clear').flag) {
+              const cellAreas = $xeTable.getCellAreas()
+              if (cellAreas.length && !getEventTargetNode(evnt, document.body, 'vxe-table--ignore-areas-clear').flag) {
                 tablePrivateMethods.preventEvent(evnt, 'event.clearAreas', {}, () => {
                   $xeTable.clearCellAreas()
                   $xeTable.clearCopyCellArea()
+                  $xeTable.dispatchEvent('clear-cell-area-selection', { cellAreas }, evnt)
                 })
               }
             }