Add undo/redo keys

2019-07-11 22:43:18 +00:00
parent 498d1cbb1e
commit 7274886d76
4 changed files with 24 additions and 2 deletions
--- a/Editor.js
+++ b/Editor.js
@@ -194,6 +194,18 @@ class Editor extends List {
        }
        return;

+      case 'u':
+        history.back();
+        e.stopPropagation();
+        e.preventDefault();
+        return;
+
+      case 'U':
+        history.forward();
+        e.stopPropagation();
+        e.preventDefault();
+        return;
+
      case '?':
        if (this.addHelpAfter()) {
          e.stopPropagation();