Photoshop Rastirize All

//#target photoshop

app.bringToFront();
activeDocument.suspendHistory('Raster SOs', 'main()');

function main() {
    if(!documents.length) return;

    selectAllLayers();
    var selectedLayers = getSelectedLayersIdx();

    for(var a in selectedLayers) {
        if (hasSmartObject(Number(selectedLayers[a]))) {
            makeActiveByIndex(Number(selectedLayers[a]),false);
            executeAction(stringIDToTypeID("rasterizePlaced"), undefined, DialogModes.NO);
        }
    }
}


function hasSmartObject(idx) {
    var ref = new ActionReference(); 
    ref.putProperty( charIDToTypeID("Prpr") , stringIDToTypeID("smartObject")); 
    ref.putIndex(charIDToTypeID("Lyr "), idx);

    var desc = executeActionGet(ref);
    if(desc.hasKey(stringIDToTypeID('smartObject')))  return true; else return false;
}


function makeActiveByIndex(idx, visible) { 
    var desc = new ActionDescriptor(); 
    var ref = new ActionReference(); 

    ref.putIndex(charIDToTypeID("Lyr "), idx) 
    desc.putReference(charIDToTypeID("null"), ref); 
    desc.putBoolean(charIDToTypeID("MkVs"), visible); 
    executeAction(charIDToTypeID("slct"), desc, DialogModes.NO); 
};



function getSelectedLayersIdx() {
    var selectedLayers = new Array;
    var ref = new ActionReference();

    ref.putEnumerated( charIDToTypeID("Dcmn"), charIDToTypeID("Ordn"), charIDToTypeID("Trgt") );
    var desc = executeActionGet(ref);

    if (desc.hasKey(stringIDToTypeID('targetLayers'))) {
        desc = desc.getList(stringIDToTypeID('targetLayers'));

        var c = desc.count 
        var selectedLayers = new Array();

        for (var i=0; i<c; i++) {
            try { 
                activeDocument.backgroundLayer;
                selectedLayers.push(desc.getReference(i).getIndex());
            } catch(e) {
                selectedLayers.push(desc.getReference(i).getIndex() + 1);
            }
        }

    } else {
        var ref = new ActionReference(); 
        ref.putProperty( charIDToTypeID("Prpr") , charIDToTypeID("ItmI")); 
        ref.putEnumerated( charIDToTypeID("Lyr "), charIDToTypeID("Ordn"), charIDToTypeID("Trgt") );

        try { 
            activeDocument.backgroundLayer;
            selectedLayers.push(executeActionGet(ref).getInteger(charIDToTypeID("ItmI")) - 1);
        } catch(e) {
            selectedLayers.push(executeActionGet(ref).getInteger(charIDToTypeID("ItmI")));
        }
    }

    return selectedLayers;
};


function selectAllLayers() {
    var desc29 = new ActionDescriptor();
    var ref23 = new ActionReference();

    ref23.putEnumerated(
        charIDToTypeID('Lyr '),
        charIDToTypeID('Ordn'),
        charIDToTypeID('Trgt')
    );
    desc29.putReference(charIDToTypeID('null'), ref23);
    executeAction(stringIDToTypeID('selectAllLayers'), desc29, DialogModes.NO);
}