Adobe Illustator -> PDF -> XCode 6+ workflow

slice.js

/**
 * Poor man's Slicy for Adobe Illustator -> PDF -> XCode 6+ workflow
 *
 * This niave script scans the current document for any GroupItem or
 * CompoundPathItem who's name matches "@2x" in anyway. Once found, it
 * will attempt to export them as PDF to `~/Desktop`.
 *
 * verboseMode {Bool=false} - When enabled, the script will alert information
 * about each layer it attempts to scan.
 *
 * http://wwwimages.adobe.com/content/dam/Adobe/en/devnet/illustrator/sdk/CC2014/Illustrator%20Scripting%20Reference%20-%20JavaScript.pdf
 */

var verboseMode = false;

function descriptionForLayer(layer) {
  var layerName = (typeof layer.name !== "undefined" || layer.name !== null) ?
    layer.name : "unnamed layer";
  var numberOfLayers = (typeof layer.layers !== "undefined" || layer.layers !== null) ?
    layer.layers.length : 0;
  var numberOfGroupItems = (typeof layer.groupItems !== "undefined" || layer.groupItems !== null) ?
    layer.groupItems.length : 0;
  var numberOfCompoundPaths = (typeof layer.compoundPathItems !== "undefined" || layer.compoundPathItems !== null) ?
    layer.compoundPathItems.length : 0;

  return "Scanning layer " + layerName +
         " with " + numberOfLayers + " layers" +
         " , " + numberOfGroupItems + " groupItems ";
         " and " + numberOfCompoundPaths + " compoundPathItems.";
}

function findElementsToExport(parent) {
  if (verboseMode) alert(descriptionForLayer(parent));

  var elements = [];
  var layers = parent.layers;
  for (var i = 0; i < parent.layers.length; i++) {
    var layer = layers[i];

    var compoundPathItems = layer.compoundPathItems;
    for (var _i = 0; _i < compoundPathItems; _i++) {
      var compoundPathItem = compoundPathItems[_i];
      if (compoundPathItem.name.match("@2x") !== null) elements.push(compoundPathItem);
    }

    var groupItems = layer.groupItems;
    for (var __i = 0; __i < groupItems.length; __i++) {
      var groupItem = groupItems[__i];
      if (groupItem.name.match("@2x") !== null) elements.push(groupItem);
    }

    elements.concat(findElementsToExport(layer));
  }

  return elements;
}

function newDocumentWithFrom(item) {
  var newDoc = app.documents.add(DocumentColorSpace.RGB);
  var newItem = item.duplicate(newDoc, ElementPlacement.PLACEATEND);

  var artboard = newDoc.artboards[0];
  artboard.artboardRect = newItem.visibleBounds;

  return newDoc;
}

function saveDocumentToPDF(doc, dest) {
  var saveName = new File(dest);
  saveOpts = new PDFSaveOptions();
  saveOpts.compatibility = PDFCompatibility.ACROBAT5;
  saveOpts.generateThumbnails = true;
  saveOpts.preserveEditability = true;
  doc.saveAs(saveName, saveOpts);
}

function main() {
  var elementsToExport = findElementsToExport(app.activeDocument);
  if (elementsToExport.length === 0) return alert("Did not find any layers to export");
  for (var i = 0; i < elementsToExport.length; i++) {
    var element = elementsToExport[i];
    var filename = element.name;
    var newDoc = newDocumentWithFrom(element);
    saveDocumentToPDF(newDoc, "~/Desktop/" + filename + ".pdf");
    newDoc.close();
  }
}

main();