Module:Sort

local getArgs = require('Module:Arguments').getArgs

local p = {}

local demo = function(s) return '<' .. string.sub(s,2,-8) .. '</span>' end

-- Protect against sortkey nesting.

-- Example: {{sort|{{dts|2013|07|07}}|{{dts|1990|12|01}}}}

local encode = function(s) return (string.find(s, "sortkey") or string.find(s, "data-sort-value"))

and "" or mw.text.encode(s) end

function p._name(args)

local sortkey = encode( ((args[4] or args.sort or ) ~= )

and (args[4] or args.sort)

or ((args[2] or args.last or '{{{last}}}')..', '..(args[1] or args.first or '{{{first}}}')))

local span = (args[1] or args.first or '{{{first}}}')..' '..(args[2] or args.last or '{{{last}}}')

if ((args.nolink or ) == ) and ((args[1] or args.first or )..(args[2] or args.last or )..(args.dab or '') ~= '-') then

if (args[3] or args.link or ) ~= then

span = (args[3] or args.link) .. '|' .. span

elseif (args.dab or ) ~= then

span = span .. ' (' .. args.dab .. ')|' .. span

end

end

local cat = (mw.title.getCurrentTitle().namespace == 0 and not args.demo)

span = '' .. span ..

return (args.demo and demo(span) or span) .. cat

end

function p._sort(args)

local span = '' ..

return args.demo and demo(span) or span

end

-- {{sortname}}

p.name = function (frame) return p._name( getArgs(frame, {removeBlanks = false}) ) end

-- {{sort}}

p.sort = function (frame) return p._sort( getArgs(frame, {removeBlanks = false}) ) end

return p