Paste As New Artboard.sketchplugin

// Paste as new Artboard
// Takes whatever is on the clipboard, pastes it, and makes a new Artboard around it

var doc = context.document,
    page = doc.currentPage(),
    artboardName = "Pasted from Clipboard"

// If you want to be asked for the artboard name before pasting it, uncomment the following line
// artboardName = [doc askForUserInput:"New artboard name" initialValue:""]

[NSApp sendAction:"paste:" to:nil from:doc]

var pastedRect = sumOfRects(page.selectedLayers())

var artboard = MSArtboardGroup.alloc().initWithFrame(pastedRect)
artboard.name = artboardName
page.addLayers([artboard])
[page moveLayersToArtboards]
[artboard select:true byExpandingSelection:false]

function sumOfRects(layers){
  var result = [[layers firstObject] rect];
  var count = [layers count];
  for (var i=1; i<count; i++) {
    result = NSUnionRect(result, layers.objectAtIndex(i).rect())
  }
  return result
}