UIAction

MMO.core.history · 1 symbol · generated 30 Sep 2026

class

This action is used to encapsulate Update/Delete/Insert action and do something when the action has been executed or undoed.

class MMO.core.history.UIAction

	constructor(action, thenFn, catchFn, args)
	execute()	Run the wrapped action, push it on the history, then report the outcome to the ui.
	undo()	Roll the wrapped action back, then report the outcome to the ui.

constructor(action, thenFn, catchFn, ...args)

Run the wrapped action, push it on the history, then report the outcome to the ui.

execute()

returns Promise<*> whatever the then callback returns

Roll the wrapped action back, then report the outcome to the ui.

undo()

returns Promise<*> whatever the then callback returns