refactor: move deleteTableWhenAllCellsSelected to its own file

packages/extension-table/src/utilities/deleteTableWhenAllCellsSelected.ts

@@ -0,0 +1,35 @@
+import { KeyboardShortcutCommand, findParentNodeClosestToPos } from '@tiptap/core'
+import { isCellSelection } from './isCellSelection'
+
+export const deleteTableWhenAllCellsSelected: KeyboardShortcutCommand = ({ editor }) => {
+  const { selection } = editor.state
+
+  if (!isCellSelection(selection)) {
+    return false
+  }
+
+  let cellCount = 0
+  const table = findParentNodeClosestToPos(selection.ranges[0].$from, node => {
+    return node.type.name === 'table'
+  })
+
+  table?.node.descendants(node => {
+    if (node.type.name === 'table') {
+      return false
+    }
+
+    if (['tableCell', 'tableHeader'].includes(node.type.name)) {
+      cellCount += 1
+    }
+  })
+
+  const allCellsSelected = cellCount === selection.ranges.length
+
+  if (!allCellsSelected) {
+    return false
+  }
+
+  editor.commands.deleteTable()
+
+  return true
+}