Batch Outline stroke all SVG files in folder using Adobe Illustrator

BatchOutline.js

/**
 * Batch Outline stroke all SVG files in folder using Adobe Illustrator.
 *
 * Usage: 
 * 1) Adjust location and outputLocation variables and save as BatchOutline.js anywhere
 * 2) File > Scripts > Other script (CMD + F12) and open BatchOutline.js
 *
 * @credits https://forums.adobe.com/thread/2395503
 * @version 1.1
 */
var location = '/path/to/svg/folder';
var outputLocation = '/path/to/svg/folder/output';
  
function getFiles() {  
  var folder = new Folder(location);  
  if (folder.exists) {  
    return folder.getFiles('*.svg');  
  } else {  
    alert('Folder ' + folder + ' does not exist');  
  }  
}  

function openFiles(files) {  
  var documents = [];  
  for (var i = 0; i < files.length; i++) {  
    var file = files[i];  
    documents.push(app.open(file));  
  }  
  return documents;  
}  

function saveFile(destination, name, document) {  
  var folder = new Folder(destination);  
  if (!folder.exists) folder.create();  
  var destFile = new File(destination + name);  
  
  
  var options = new ExportOptionsSVG();  
  document.exportFile(destFile, ExportType.SVG, options);  
}

function openAndExpand() {  
  try {  
    var files = getFiles();  
    if (files.length > 0) {  
      var documents = openFiles(files);  
      if (documents.length > 0) {  

        for (var i = 0; i < documents.length; i++) {  
          var document = documents[i];  
          document.activate();  
          expandFile();  
          saveFile(outputLocation, document.name, document);  
        }  

        for (var i = 0; i < documents.length; i++) {  
            documents[i].close();  
        }  
      }  
    }  
  } catch(e) {  
    alert('Error Processing:');  
    alert(e);  
  }  
}  
  
  
function expandFile() {  
  app.executeMenuCommand('selectall');  
  app.executeMenuCommand('Live Outline Stroke');  
  app.executeMenuCommand('expandStyle');  
}

// Execute
openAndExpand();