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

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

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

local data = mw.loadData('Module:Icon/data')

local p = {}

function p._main(args)
	local code = args.class or args[1]
	local iconData
	if code then
		code = code:match('^%s*(.-)%s*$'):lower() -- trim whitespace and put in lower case
		iconData = data[code]
	end
	if not iconData then
		iconData = data._DEFAULT
	end
	return string.format(
		'[[File:%s%s|%s|link=]]',
		iconData.image,
		iconData.tooltip and '|' .. iconData.tooltip or '',
		args.size or '16x16px'
	)
end

function p.main(frame)
	local args = {}
	for k, v in pairs(frame:getParent().args) do
		args[k] = v
	end
	return p._main(args)
end

return p