I would like to duplicate a layer set and all it's contents (layers + layersets) via Photoshop scripting (JS).
Is it possible to completely clone a layer set out of the box, or does anyone known of a known script that suits that purpose?
Just in case, if you don't want the dialog window when you duplicate a layer it can be done this way:
var _ = displayDialogs; // save original prefs
app.displayDialogs = DialogModes.NO; // disable dialogs
activeDocument.activeLayer.duplicate();
app.displayDialogs = _; // restore original prefs