Module:Purge

From David's Wiki
\( \newcommand{\P}[]{\unicode{xB6}} \newcommand{\AA}[]{\unicode{x212B}} \newcommand{\empty}[]{\emptyset} \newcommand{\O}[]{\emptyset} \newcommand{\Alpha}[]{Α} \newcommand{\Beta}[]{Β} \newcommand{\Epsilon}[]{Ε} \newcommand{\Iota}[]{Ι} \newcommand{\Kappa}[]{Κ} \newcommand{\Rho}[]{Ρ} \newcommand{\Tau}[]{Τ} \newcommand{\Zeta}[]{Ζ} \newcommand{\Mu}[]{\unicode{x039C}} \newcommand{\Chi}[]{Χ} \newcommand{\Eta}[]{\unicode{x0397}} \newcommand{\Nu}[]{\unicode{x039D}} \newcommand{\Omicron}[]{\unicode{x039F}} \DeclareMathOperator{\sgn}{sgn} \def\oiint{\mathop{\vcenter{\mathchoice{\huge\unicode{x222F}\,}{\unicode{x222F}}{\unicode{x222F}}{\unicode{x222F}}}\,}\nolimits} \def\oiiint{\mathop{\vcenter{\mathchoice{\huge\unicode{x2230}\,}{\unicode{x2230}}{\unicode{x2230}}{\unicode{x2230}}}\,}\nolimits} \)

Documentation for this module may be created at Module:Purge/doc

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

local p = {}

local function makeUrlLink(url, display)
	return string.format('[%s %s]', url, display)
end

function p._main(args)
	-- Make the URL
	local url
	do
		local title
		if args.page then
			title = mw.title.new(args.page)
			if not title then
				error(string.format(
					"'%s' is not a valid page name",
					args.page
				), 2)
			end
		else
			title = mw.title.getCurrentTitle()
		end
		if args.anchor then
			title.fragment = args.anchor
		end
		url = title:fullUrl{action = 'purge'}
	end
	
	-- Make the display
	local display
	if args.page then
		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
	local root = mw.html.create('span')
	root
		:addClass('noprint')
		:addClass('plainlinks')
		:addClass('purgelink')
		:wikitext(makeUrlLink(url, display))
	
	return tostring(root)
end

function p.main(frame)
	local args = frame:getParent().args
	return p._main(args)
end

return p