Check it out. Globally not tested.
var cnt = 0;
try { if (app.documents.length) { app.activeDocument.suspendHistory("Del hidden", "process_doc(app.activeDocument)"); } } catch(e) { alert(e); }
app.refresh();
alert(cnt + " layers have been removed", "");
function process_doc(doc, close)
{
try {
app.activeDocument = doc;
var doc_len = app.documents.length;
var i0 = get_layer_count();
try {
var d = new ActionDescriptor();
var r = new ActionReference();
r.putEnumerated(stringIDToTypeID("layer"), stringIDToTypeID("ordinal"), stringIDToTypeID("hidden"));
d.putReference(stringIDToTypeID("null"), r);
executeAction(stringIDToTypeID("delete"), d, DialogModes.NO);
}
catch (e) { }
var i = get_layer_count();
cnt += i0-i;
var ok = true;
while (ok && i >= 1 && process_layer(i)) { --i; }
if (ok && close) doc.close(SaveOptions.SAVECHANGES);
return ok;
function get_layer_count()
{
try
{
var r = new ActionReference();
r.putEnumerated(stringIDToTypeID("layer"), stringIDToTypeID("ordinal"), stringIDToTypeID("targetEnum"));
var n = executeActionGet(r).getInteger(stringIDToTypeID("count"));
try { app.activeDocument.backgroundLayer; } catch(e) { return n; }
return n-1;
}
catch (e) { alert(e); ok = false; return 0; }
}
function process_layer(n)
{
try {
var r = new ActionReference();
r.putIndex(stringIDToTypeID("layer"), n);
var d = executeActionGet(r);
if (!d.hasKey(stringIDToTypeID("smartObject"))) return true;
var id = d.getInteger(stringIDToTypeID("layerID"));
var r = new ActionReference();
r.putIdentifier(stringIDToTypeID("layer"), id);
var d = new ActionDescriptor();
d.putReference(stringIDToTypeID("null"), r);
executeAction(stringIDToTypeID("select"), d, DialogModes.NO);
executeAction(stringIDToTypeID("placedLayerEditContents"), undefined, DialogModes.ERROR);
if (doc_len == app.documents.length) { alert("SmartObject edit error!"); ok = false; return false; }
ok = process_doc(app.activeDocument, true);
app.activeDocument = doc;
return ok;
}
catch (e) { alert(e); ok = false; return false; }
}
}
catch (e) { alert(e); return false; }
}
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