Module:Purge

 -- This module implements [[Template:Purge]].

 localp={}

 localfunctionmakeUrlLink(url,display)
 returnstring.format('[%s %s]',url,display)
 end

 functionp._main(args)
 -- Make the URL
 localurl
 do
 localtitle
 ifargs.pagethen
 title=mw.title.new(args.page)
 ifnottitlethen
 error(string.format(
 "'%s' is not a valid page name",
 args.page
 ),2)
 end
 else
 title=mw.title.getCurrentTitle()
 end
 ifargs.anchorthen
 title.fragment=args.anchor
 end
 url=title:fullUrl{action='purge'}
 end

 -- Make the display
 localdisplay
 ifargs.pagethen
 display=args[1]or'Purge'
 else
 display=mw.html.create('span')
 display
 :attr('title','Purge this page')
 :wikitext(args[1]or'Purge')
 display=tostring(display)
 end

 -- Output the HTML
 localroot=mw.html.create('span')
 root
 :addClass('noprint')
 :addClass('plainlinks')
 :addClass('purgelink')
 :wikitext(makeUrlLink(url,display))

 returntostring(root)
 end

 functionp.main(frame)
 localargs=frame:getParent().args
 returnp._main(args)
 end

 returnp