is-undo-redo
Check if a key event is undo or redo. This uses Cmd+Z or Ctrl+Z for undo, and Cmd+Shift+Z or Ctrl+Shift+Z for redo.
var events = var isUndo = undovar isRedo = redo events
Usage
isUndoRedo.undo(event[, style])
isUndoRedo.redo(event[, style])
You can specify a style
string to explicitly allow one keystroke or the other:
"mac"
only allows Cmd+Z and Cmd+Shift+Z"windows"
only allows Ctrl+Z and Ctrl+Shift+Z
If no style is specified, both will be accepted.
isUndoRedo(event[, style])
Returns true if the key event was either undo or redo.
License
MIT, see LICENSE.md for details.