Update table-element.js

k-utsumi · web-flow · commit 1db5c2a74a4e · 2018-10-25T19:51:00.000+09:00
diff --git a/lib/table-element.js b/lib/table-element.js
@@ -1355,8 +1355,10 @@ class TableElement extends HTMLElement {
       this.editorElement.focus()
       this.editor.setText(this.columnUnderEdit.name != null ? this.columnUnderEdit.name : columnName(columnIndex))
 
-      this.editor.getBuffer().history.clearUndoStack()
-      this.editor.getBuffer().history.clearRedoStack()
+      if (this.editor.getBuffer().history != undefined) {
+        this.editor.getBuffer().history.clearUndoStack()
+        this.editor.getBuffer().history.clearRedoStack()
+      }
     }
   }
 

Original file line number	Diff line number	Diff line change
`@@ -1355,8 +1355,10 @@ class TableElement extends HTMLElement {`
`1355`	`1355`	`this.editorElement.focus()`
`1356`	`1356`	`this.editor.setText(this.columnUnderEdit.name != null ? this.columnUnderEdit.name : columnName(columnIndex))`
`1357`	`1357`
`1358`		`- this.editor.getBuffer().history.clearUndoStack()`
`1359`		`- this.editor.getBuffer().history.clearRedoStack()`
	`1358`	`+ if (this.editor.getBuffer().history != undefined) {`
	`1359`	`+ this.editor.getBuffer().history.clearUndoStack()`
	`1360`	`+ this.editor.getBuffer().history.clearRedoStack()`
	`1361`	`+ }`
`1360`	`1362`	`}`
`1361`	`1363`	`}`
`1362`	`1364`