Fonts_Info.jsx

var resultText;

function run(){
    var layerSets = app.activeDocument.layerSets;
    dumpLayerSets(layerSets);
    dumpLayers(app.activeDocument.layers);
}

function dumpLayerSets(layerSets){
    var len = layerSets.length;
    for(var i=0;i<len;i++){
         var layerSet = layerSets[i];
         dumpLayers(layerSet.artLayers);
    }

alert (resultText)
}

function dumpLayers(layers){
    var len = layers.length;
    for(var i=0;i<len;i++){
         var layer = layers[i];
         if(layer.kind==undefined){
                continue;
         }
        if(layer.kind == LayerKind.TEXT){
            var rowText = 'Text: '+ layer.textItem.contents +'  ->  ' + ', font: '+ layer.textItem.font +', font-size: ' + layer.textItem.size + ', color (RGB): ' + Math.round(layer.textItem.color.rgb.red)+', ' +  Math.round(layer.textItem.color.rgb.green)+ ', ' +  Math.round(layer.textItem.color.rgb.blue);
resultText = resultText + '\n' + rowText;           
           $.writeln(rowText);
        }
    }
}
run();