// @target "indesign"
function scrollToNext (spread, pause, cont) {
$.sleep(pause * 1000);
app.activeWindow.activeSpread = spread;
app.activeWindow.zoom(ZoomOptions.FIT_SPREAD);
const nextSpread = app.activeDocument.spreads.nextItem(spread)
if (nextSpread.isValid && cont) {
scrollToNext(nextSpread, pause, nextSpread.isValid && cont);
}
}
if (app.activeWindow.activeSpread.isValid && app.activeWindow.activeSpread.constructor.name === 'Spread') {
app.activeWindow.zoom(ZoomOptions.FIT_SPREAD);
scrollToNext(app.activeWindow.activeSpread, 3, true);
}