Editing Module:Helper module

-- Helps [[RuneScape:Lua/Helper modules]] format its table with dynamic documentation
-- See [[Template:Helper module]] for documentation and usage
require('Module:Mw.html extension')
local p = {}

function p.main(frame)
	local args = frame:getParent().args
	local function_list = {}
	-- Let there be no limit to number of parameters
	local i = 1
	while args['fname'..i] do
		local funcname = args['fname'..i] or ''
		local functype = args['ftype'..i] or ''
		local funcuse = args['fuse'..i] or ''
		function_list[i] = {
			fname = funcname,
			ftype = functype,
			fdesc = funcuse
		}
		i = i + 1
	end
	local title = mw.title.getCurrentTitle()
	if title.namespace == 828 and (title.text == args.name or title.text == args.name..'/doc') then
		local t = mw.html.create('table')
		t	:addClass('wikitable')
			:tr()
				:th('Function')
				:th('Type')
				:th('Use')
			:done()
			:node(p._main(args.name, function_list, nil, false))

		local category = ''
		if not (title.isSubpage and title.subpageText == 'doc') then
			category = '[[Category:Helper modules]][[Category:Modules required by modules]]'
		end
		local reqby = ''
		if not (title.isSubpage and title.subpageText == 'doc') then
			local uri = mw.uri.canonicalUrl('Special:WhatLinksHere', 'target=Module:'..args.name..'&namespace=828')
			reqby = 'For a full list of modules using this helper <span class="plainlinks">[' .. tostring(uri) .. ' click here]</span>\n'
		end
		local example = ''
		if args.example then
			example = "'''Example:'''\n" .. args.example
		end
		return 'This module is a helper module to be used by other modules; it may not designed to be invoked directly. See [[RuneScape:Lua/Helper modules]] for a full list and more information.\n' .. reqby .. tostring(t) .. example .. category
	else
		return p._main(args.name, function_list, args.example or '', true)
	end
end

local function formatFuncNames(list)
	list = mw.text.split(list or '', ';;')
	local res = {}

	for _, v in ipairs(list) do
		v = mw.text.trim(v)
		table.insert(res, string.format("<code>%s</code>", v))
	end

	return table.concat(res, '<br>')
end

function p._main(modn, func_list, example, showModuleName)
	local ret = mw.html.create('tr')
	ret :IF(showModuleName)
			:td{'[[Module:'..modn..'|'..modn..']]', attr={'rowspan', #func_list}} -- Name will group together with all functions once
		:END()
		:td(formatFuncNames(func_list[1].fname))
		:td(func_list[1].ftype)
		:td(func_list[1].fdesc)

	for i = 2, #func_list do
		ret:tr()
			:td(formatFuncNames(func_list[i].fname))
			:td(func_list[i].ftype)
			:td(func_list[i].fdesc)
	end
	return ret
end

return p