Photoshop script for retrieving object's positions and saving it to JSON

source

#target photoshop 

/*--------------------------------------------------------
   
Config

-------------------------------------------------------*/

var originalRulerUnits = preferences.rulerUnits;
preferences.rulerUnits = Units.PIXELS;
 
/*--------------------------------------------------------
 	
Functions
 	
-------------------------------------------------------*/

function doCheck() {
    if(!documents.length) {
        alert('There are no documents open.');
        return; 
    }
 }
 
 function traverseLayer(layers) {

    for(var i = 0; i < layers.length; i++) {
        
        var typename = layers[i].typename;
        
        if(typename == "ArtLayer" || typename == "LayerSet") {
              
            getLayerAttribute (layers[i]);
          
        }
    }
 }

function getLayerAttribute(layer) {
        
    var name = layer.name.split(".");
    
    if(name[1] == "png" || name[1] == "jpg") {
        
        
        if(firstRead < 1) {
            
            jsonStr += "\n\t\t"
            
        } else {
            
            jsonStr += ",\n\t\t"
            
        }
    
        firstRead = 1;
        
        jsonStr += '"' +name[0] + '": {\n';
        jsonStr += '\t\t\t"x": ' + layer.bounds[0].value + ',\n';
        jsonStr += '\t\t\t"y": ' + layer.bounds[1].value + ',\n';
        jsonStr += '\t\t\t"width": ' + layer.bounds[2].value + ',\n';    
        jsonStr += '\t\t\t"height": ' + layer.bounds[3].value + '\n';    
        jsonStr += '\t\t}';
        
     } else {

        if(layer.layers.length > 0) {
            
            traverseLayer(layer.layers);
            
        }
         
     }
    
}
 
/*--------------------------------------------------------
 	
Start
 	
--------------------------------------------------------*/


var doc                 = app.activeDocument;
var docWidth         = doc.width.value;
var docHeight        = doc.height.value;
var docFilePath      = doc.fullName.path + "/";
var docFileName    = doc.name.match(/([^\.]+)/)[1];

var firstRead         = 0;
var jsonFileName   =  docFilePath.toString().match(/([^\.]+)/)[1] + "../json/" + docFileName + ".json";
var jsonStr            = "{\n";
jsonStr += '\t"' + docFileName + '": {';

doCheck();
traverseLayer (doc.layers);

// create a reference to a file for output
var csvFile = new File(jsonFileName);

// open the file, write the data, then close the file
csvFile.open('w');
csvFile.writeln(jsonStr + "\n\t}\n}");
csvFile.close();
preferences.rulerUnits = originalRulerUnits;

// Confirm that operation has completed
alert("JSON Complete!\n" + jsonFileName);