How to Export JPG files Scripting Automatically

// if group of same name as layer exists save jpg of combinations of layer with each layer in group except if the layer is situated in the group;

// 2017, use it at your own risk;

#target photoshop

if (app.documents.length > 0) {

// jpg options;

var jpegOptions = new JPEGSaveOptions();

jpegOptions.quality = 9;

jpegOptions.embedColorProfile = true;

jpegOptions.matte = MatteType.NONE;

var myDocument = activeDocument;

var theName= myDocument.name.match(/(.*)\.[^\.]+$/)[1];

var thePath = myDocument.path;

// get layers and groupd;

var theArrays = getLayerAndGroupsNamesAndIDs();

var theLayers = theArrays[0];

var theGroups = theArrays[1];

// hide layers;

showHideByIdentifier (theLayers, false);

// show groups;

showHideByIdentifier (theGroups, true);

// compare layer names to group names;

for (var m = 0; m < theLayers.length; m++) {

var thisName = theLayers[0];

selectLayerByID(theLayers[1], false);

var thisLayer = myDocument.activeLayer;

thisLayer.visible = true;

for (var n = 0; n < theGroups.length; n++) {

// if group has same name as layer;

if (thisName == theGroups[0]) {

  selectLayerByID(theGroups[1],false);

  var thisGroup = myDocument.activeLayer;

// save one copy per layer in group;

  for (var o = 0; o < thisGroup.layers.length; o++) {

  thisGroup.layers.visible = true;

  myDocument.saveAs((new File(thePath+"/"+theName+"_"+theGroups[0]+"_"+String(o)+".jpg")),jpegOptions,true);

  thisGroup.layers.visible = false;

  }

  }

}

myDocument.activeLayer = thisLayer;

thisLayer.visible = false;

};

};

////////////////////////////////////

function getLayerAndGroupsNamesAndIDs () {

// the file;

var myDocument = app.activeDocument;

// get number of layers;

var ref = new ActionReference();

ref.putEnumerated( charIDToTypeID("Dcmn"), charIDToTypeID("Ordn"), charIDToTypeID("Trgt") );

var applicationDesc = executeActionGet(ref);

var theNumber = applicationDesc.getInteger(stringIDToTypeID("numberOfLayers"));

// process the layers;

var theLayers = new Array;

var theGroups = new Array;

for (var m = 0; m <= theNumber; m++) {

try {

var ref = new ActionReference();

ref.putIndex( charIDToTypeID( "Lyr " ), m);

var layerDesc = executeActionGet(ref);

var layerSet = typeIDToStringID(layerDesc.getEnumerationValue(stringIDToTypeID("layerSection")));

var isBackground = layerDesc.getBoolean(stringIDToTypeID("background"));

// if not layer group collect values;

if (layerSet != "layerSectionEnd" && layerSet != "layerSectionStart" && isBackground != true) {

var theName = layerDesc.getString(stringIDToTypeID('name'));

var theID = layerDesc.getInteger(stringIDToTypeID('layerID'));

theLayers.push([theName, theID])

};

// if  layer group start;

if (layerSet == "layerSectionStart") {

var theName = layerDesc.getString(stringIDToTypeID('name'));

var theID = layerDesc.getInteger(stringIDToTypeID('layerID'));

theGroups.push([theName, theID])

};

}

catch (e) {};

};

/*alert (theLayers.join("\n"));

alert (theGroups.join("\n"));*/

return [theLayers, theGroups]

};

// based on code by mike hale, via paul riggott;

function selectLayerByID(id,add){

add = undefined ? add = false:add

var ref = new ActionReference();

    ref.putIdentifier(charIDToTypeID("Lyr "), id);

    var desc = new ActionDescriptor();

    desc.putReference(charIDToTypeID("null"), ref );

       if(add) desc.putEnumerated( stringIDToTypeID( "selectionModifier" ), stringIDToTypeID( "selectionModifierType" ), stringIDToTypeID( "addToSelection" ) );

      desc.putBoolean( charIDToTypeID( "MkVs" ), false );

   try{

    executeAction(charIDToTypeID("slct"), desc, DialogModes.NO );

}catch(e){

alert(e.message);

}

};

// by mike hale, via paul riggott;

// http://forums.adobe.com/message/1944754#1944754

function selectLayerByIndex(index,add){

add = undefined ? add = false:add

var ref = new ActionReference();

    ref.putIndex(charIDToTypeID("Lyr "), index);

    var desc = new ActionDescriptor();

    desc.putReference(charIDToTypeID("null"), ref );

       if(add) desc.putEnumerated( stringIDToTypeID( "selectionModifier" ), stringIDToTypeID( "selectionModifierType" ), stringIDToTypeID( "addToSelection" ) );

      desc.putBoolean( charIDToTypeID( "MkVs" ), false );

   try{

    executeAction(charIDToTypeID("slct"), desc, DialogModes.NO );

}catch(e){

alert(e.message);

}

};

////// show or hide layers by id //////

function showHideByIdentifier (theLayers, show) {

for (var x = 0; x < theLayers.length; x++) {

if (show == true) {var idShw = charIDToTypeID( "Shw " )}

else {var idShw = charIDToTypeID( "Hd  " )};

    var desc3 = new ActionDescriptor();

        var list2 = new ActionList();

            var ref2 = new ActionReference();

            ref2.putIdentifier( charIDToTypeID( "Lyr " ), theLayers[1] );

        list2.putReference( ref2 );

    desc3.putList( charIDToTypeID( "null" ), list2 );

executeAction( idShw, desc3, DialogModes.NO );

};

};