Module:Lua banner

 -- This module implements the {{lua}} template.
 localyesno=require('Module:Yesno')
 localmList=require('Module:List')
 localmTableTools=require('Module:TableTools')
 localmMessageBox=require('Module:Message box')

 localp={}

 functionp.main(frame)
 localorigArgs=frame:getParent().args
 localargs={}
 fork,vinpairs(origArgs)do
 v=v:match('^%s*(.-)%s*$')
 ifv~=''then
 args[k]=v
 end
 end
 returnp._main(args)
 end

 functionp._main(args)
 localmodules=mTableTools.compressSparseArray(args)
 localbox=p.renderBox(modules)
 localtrackingCategories=p.renderTrackingCategories(args,modules)
 returnbox..trackingCategories
 end

 functionp.renderBox(modules)
 localboxArgs={}
 if#modules<1then
 boxArgs.text='<strong class="error">Error: no modules specified</strong>'
 else
 localmoduleLinks={}
 fori,moduleinipairs(modules)do
 moduleLinks[i]=string.format('[[:%s]]',module)
 localmaybeSandbox=mw.title.new(module..'/sandbox')
 ifmaybeSandboxandmaybeSandbox.existsthen
 moduleLinks[i]=moduleLinks[i]..string.format(' ([[:%s|sandbox]])',maybeSandbox.fullText)
 end
 end
 localmoduleList=mList.makeList('bulleted',moduleLinks)
 localtitle=mw.title.getCurrentTitle()
 iftitle.subpageText=="doc"then
 title=title.basePageTitle
 end
 iftitle.contentModel=="Scribunto"then
 boxArgs.text='This module depends on the following other modules:'..moduleList
 else
 boxArgs.text='This template uses [[Wikipedia:Lua|Lua]]:\n'..moduleList
 end
 end
 boxArgs.type='notice'
 boxArgs.small=true
 boxArgs.image='[[File:Lua-Logo.svg|30px|alt=|link=]]'
 returnmMessageBox.main('mbox',boxArgs)
 end

 functionp.renderTrackingCategories(args,modules,titleObj)
 ifyesno(args.nocat)then
 return''
 end

 localcats={}

 -- Error category
 if#modules<1then
 cats[#cats+1]='Lua templates with errors'
 end

 -- Lua templates category
 titleObj=titleObjormw.title.getCurrentTitle()
 localsubpageBlacklist={
 doc=true,
 sandbox=true,
 sandbox2=true,
 testcases=true
 }
 ifnotsubpageBlacklist[titleObj.subpageText]then
 localprotCatName
 iftitleObj.namespace==10then
 localcategory=args.category
 ifnotcategorythen
 localcategories={
 ['Module:String']='Templates based on the String Lua module',
 ['Module:Math']='Templates based on the Math Lua module',
 ['Module:BaseConvert']='Templates based on the BaseConvert Lua module',
 ['Module:Citation/CS1']='Templates based on the Citation/CS1 Lua module'
 }
 category=modules[1]andcategories[modules[1]]
 category=categoryor'Lua-based templates'
 end
 cats[#cats+1]=category
 protCatName="Templates using under-protected Lua modules"
 elseiftitleObj.namespace==828then
 protCatName="Modules depending on under-protected modules"
 end
 ifnotargs.noprotcatandprotCatNamethen
 localprotLevels={
 autoconfirmed=1,
 extendedconfirmed=2,
 templateeditor=3,
 sysop=4
 }
 localcurrentProt
 iftitleObj.id~=0then
 -- id is 0 (page does not exist) if am previewing before creating a template.
 currentProt=titleObj.protectionLevels["edit"][1]
 end
 ifcurrentProt==nilthencurrentProt=0elsecurrentProt=protLevels[currentProt]end
 fori,moduleinipairs(modules)do
 ifmodule~="WP:libraryUtil"then
 localmoduleTitle=mw.title.new(module)
 localmoduleProt=moduleTitleandmoduleTitle.protectionLevels["edit"][1]
 ifmoduleProt==nilthenmoduleProt=0elsemoduleProt=protLevels[moduleProt]end
 ifmoduleProt<currentProtthen
 cats[#cats+1]=protCatName
 break
 end
 end
 end
 end
 end
 fori,catinipairs(cats)do
 cats[i]=string.format('[[Category:%s]]',cat)
 end
 returntable.concat(cats)
 end

 returnp