Module: Blog post

local p = {}

-- --
-- Format a list of authors from the author or author parameters.
-- Testing:
--   =p.authorList({args={author='Foo'}})
--   =p.authorList({args={authors='Foo; Bar', format='plain'}})
p.authorList = function( frame )
	-- Gather and normalise authors.
	local authors = {}
	if frame.args.author ~= nil and frame.args.author ~= '' then
		authors[1] = frame.args.author
	elseif frame.args.authors ~= nil and frame.args.authors ~= '' then
		authors = mw.text.split( frame.args.authors, ';', true )
	end
	if #authors == 0 then
		return ''
	end
	for i, a in pairs( authors ) do
		authors[i] = mw.text.trim( a )
	end

	-- Format output.	
	if frame.args.format == 'plain' then
		return table.concat( authors, ' / ' )
	else
		return ', <strong>[[' .. table.concat( authors, ']] / [[' ) .. ']]</strong>'
	end
end

return p