[Indesign]EventListener AutosaveACopy

autosaveACopy.jsx

#targetengine "autosaveACopy"
(function () {
	var f = new Folder("/E/autosave"),
		doc = app.documents.item(0);
	!f.exists && f.create();
	doc.isValid && doc.addEventListener("beforeSave", backUp);
	function backUp(docEvent) {
		var doc = docEvent.parent,
			ver = Number(doc.extractLabel('version'));
		doc.insertLabel('version', ++ver + '');
		app.idleTasks.add({sleep: 100}).addEventListener(IdleEvent.ON_IDLE, saveCopy);
		function saveCopy(ev) {
			var fn = f + '/' + doc.name.replace(/\.indd$/, '') + '_存档_' + ver + ".indd";
			doc.saveACopy(File(fn));
			ev.target.sleep = 0;
		}
	}
})();

gistfile1.js

#targetengine "disableSave"
app.activeDocument.addEventListener('beforeSave', function(ev) {
   alert('不准直接保存');
   ev.stopPropagation();
   ev.preventDefault();
})