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Module documentation
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This Lua module is used in system messages, and on approximately 5,150,000 pages, or roughly 8% of all pages.
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To avoid major disruption and server load, any changes should be tested in the module's /sandbox or /testcases subpages, or in your own module sandbox. The tested changes can be added to this page in a single edit. Please discuss changes on the talk page before implementing them.
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This module is rated as ready for general use. It has reached a mature state, is considered relatively stable and bug-free, and may be used wherever appropriate. It can be mentioned on help pages and other Wikipedia resources as an option for new users. To minimise server load and avoid disruptive output, improvements should be developed through sandbox testing rather than repeated trial-and-error editing.
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This module depends on the following other modules:
👁 CSS
This module uses TemplateStyles:

This is a Lua implementation of {{Navbar}}. It is used in Module:Navbox.

localp={}
localcfg=mw.loadData('Module:Navbar/configuration')
localfunctionget_title_arg(is_collapsible,template)
localtitle_arg=1
ifis_collapsiblethentitle_arg=2end
iftemplatethentitle_arg='template'end
returntitle_arg
end
localfunctionchoose_links(template,args)
-- The show table indicates the default displayed items.
-- view, talk, edit, hist, move, watch
-- TODO: Move to configuration.
localshow={true,true,true,false,false,false}
iftemplatethen
show[2]=false
show[3]=false
localindex={t=2,d=2,e=3,h=4,m=5,w=6,
talk=2,edit=3,hist=4,move=5,watch=6}
-- TODO: Consider removing TableTools dependency.
for_,vinipairs(require('Module:TableTools').compressSparseArray(args))do
localnum=index[v]
ifnumthenshow[num]=trueend
end
end
localremove_edit_link=args.noedit
ifremove_edit_linkthenshow[3]=falseend
returnshow
end
localfunctionadd_link(link_description,ul,is_mini,font_style)
locall
iflink_description.urlthen
l={'[','',']'}
else
l={'[[','|',']]'}
end
ul:tag('li')
:addClass('nv-'..link_description.full)
:wikitext(l[1]..link_description.link..l[2])
:tag(is_miniand'abbr'or'span')
:attr('title',link_description.html_title)
:cssText(font_style)
:wikitext(is_miniandlink_description.miniorlink_description.full)
:done()
:wikitext(l[3])
:done()
end
localfunctionmake_list(title_text,has_brackets,displayed_links,is_mini,font_style)
localtitle=mw.title.new(mw.text.trim(title_text),cfg.title_namespace)
ifnottitlethen
error(cfg.invalid_title..title_text)
end
localtalkpage=title.talkPageTitleandtitle.talkPageTitle.fullTextor''
-- TODO: Get link_descriptions and show into the configuration module.
-- link_descriptions should be easier...
locallink_descriptions={
{['mini']='v',['full']='view',['html_title']='View this template',
['link']=title.fullText,['url']=false},
{['mini']='t',['full']='talk',['html_title']='Discuss this template',
['link']=talkpage,['url']=false},
{['mini']='e',['full']='edit',['html_title']='Edit this template',
['link']='Special:EditPage/'..title.fullText,['url']=false},
{['mini']='h',['full']='hist',['html_title']='History of this template',
['link']='Special:PageHistory/'..title.fullText,['url']=false},
{['mini']='m',['full']='move',['html_title']='Move this template',
['link']=mw.title.new('Special:Movepage'):fullUrl('target='..title.fullText),['url']=true},
{['mini']='w',['full']='watch',['html_title']='Watch this template',
['link']=title:fullUrl('action=watch'),['url']=true}
}
localul=mw.html.create('ul')
ifhas_bracketsthen
ul:addClass(cfg.classes.brackets)
:cssText(font_style)
end
fori,_inipairs(displayed_links)do
ifdisplayed_links[i]thenadd_link(link_descriptions[i],ul,is_mini,font_style)end
end
returnul:done()
end
functionp._navbar(args)
-- TODO: We probably don't need both fontstyle and fontcolor...
localfont_style=args.fontstyle
localfont_color=args.fontcolor
localis_collapsible=args.collapsible
localis_mini=args.mini
localis_plain=args.plain
localcollapsible_class=nil
ifis_collapsiblethen
collapsible_class=cfg.classes.collapsible
ifnotis_plainthenis_mini=1end
iffont_colorthen
font_style=(font_styleor'')..'; color: '..font_color..';'
end
end
localnavbar_style=args.style
localdiv=mw.html.create():tag('div')
div
:addClass(cfg.classes.navbar)
:addClass(cfg.classes.plainlinks)
:addClass(cfg.classes.horizontal_list)
:addClass(collapsible_class)-- we made the determination earlier
:cssText(navbar_style)
ifis_minithendiv:addClass(cfg.classes.mini)end
localbox_text=(args.textorcfg.box_text)..' '
-- the concatenated space guarantees the box text is separated
ifnot(is_minioris_plain)then
div
:tag('span')
:addClass(cfg.classes.box_text)
:cssText(font_style)
:wikitext(box_text)
end
localtemplate=args.template
localdisplayed_links=choose_links(template,args)
localhas_brackets=args.brackets
localtitle_arg=get_title_arg(is_collapsible,template)
localtitle_text=args[title_arg]or(':'..mw.getCurrentFrame():getParent():getTitle())
locallist=make_list(title_text,has_brackets,displayed_links,is_mini,font_style)
div:node(list)
ifis_collapsiblethen
localtitle_text_class
ifis_minithen
title_text_class=cfg.classes.collapsible_title_mini
else
title_text_class=cfg.classes.collapsible_title_full
end
div:done()
:tag('div')
:addClass(title_text_class)
:cssText(font_style)
:wikitext(args[1])
end
localframe=mw.getCurrentFrame()
-- hlist -> navbar is best-effort to preserve old Common.css ordering.
returnframe:extensionTag{
name='templatestyles',args={src=cfg.hlist_templatestyles}
}..frame:extensionTag{
name='templatestyles',args={src=cfg.templatestyles}
}..tostring(div:done())
end
functionp.navbar(frame)
returnp._navbar(require('Module:Arguments').getArgs(frame))
end
returnp