function resize() {
    if (app.documents.length > 0) {
         var docRef = app.activeDocument;
         if (docRef.artboards.length > 1) 
         {
              alert('Need exactly one artboard');
              quit;
              }
         // Found 1 artboard
         var current = docRef.artboards[0].artboardRect;
         current[2] = current[0] + 595.2756;
         current[3] = current[1] - 841.8898;

         docRef.artboards[0].artboardRect = current;
    }
    else {
         alert('Open a document before running this script', 'Error running FitArtboardToArt.jsx');
    }
}


var sourceFolder = Folder("C:\\Users\\Moritz\\Syncbox\\svgs");
var destFolder = Folder("C:\\Users\\Moritz\\Syncbox\\ais"); // optional: destFolder = Folder.selectDialog( 'Select the folder where you want to save the converted SVG files.', '~' );

function getNewName(sourceDoc)
{
	var ext, docName, newName, saveInFile, docName;
	docName = sourceDoc.name;
	ext = '.ai'; // new extension
	newName = "";
		
	for ( var i = 0 ; docName[i] != "." ; i++ )
	{
		newName += docName[i];
	}
	newName += ext; // full svg name of the file
	
	// Create a file object to save the svg
	saveInFile = new File( destFolder + "\\" + newName );
	
	return saveInFile;
}


if ( sourceFolder != null )
{
  var files = new Array();
    //What kind of file in the source folder are you seeking?
    var fileType = "*.svg";
    // Get all files matching that file type
    files = sourceFolder.getFiles( fileType );

    if ( files.length > 0 )
    {
        for ( i = 0; i < files.length; i++ )
        {
            //Open a file
            var sourceDoc = app.open(files[i]);
            resize();
            app.activeDocument.saveAs(getNewName(sourceDoc));
            app.activeDocument.close(SaveOptions.DONOTSAVECHANGES);
        }
    }
    alert( 'Complete' );
}
else
{
    alert( 'No matching files found' );
}