Utils

Documentation for this module may be created at ModuleDoc:Utils
local utils = {}

function utils.error( ... )
	-- Collect necessary information to display error
	local args = select( 1, ... )[ 'args' ]
	local message = args[1] or 'There was an error with a template. Are the parameters all correct?'
	local etype = args[2] or 'Template'
	local category = args[3] or 'Pages containing template errors'
	local template = args[4] or nil
	
	-- Style data 
	etype = string.upper( etype )
	
	-- Add a warning to the edit preview
	if template == nil then
		mw.addWarning( "'''" .. etype .. " ERROR:''' " .. message )
	else
		mw.addWarning( "'''" .. etype .. " ERROR:''' " .. message .. ' (Template name: "' .. template .. ')' )
	end
	
	-- Create and return the text to display on the page itself
	return [[<span class="template-error" style="color: red;">''']]
		.. etype
		.. [[ ERROR:''' ]]
		.. message
		.. '</span> [[Category:'
		.. category
		.. ']]'
end

return utils
Module:Utils
