View source for Module:Tabber

local p = {}

--- Helper function to get table length
--- @param table
--- @return int
local function getTableLength( t )
	local length = 0
    for _, __ in pairs(t) do
        length = length + 1
    end
    return length
end

--- Render Tabber
--- @param table data { label = content }
--- @return string wikitext of Tabber
function p.renderTabber( data )
	local tabberContent = {}

	for i = 1, getTableLength( data ) / 2 do
		local label = data[ 'label' .. i ]
		if label ~= nil or label ~= '' then
			table.insert( tabberContent, table.concat( { '|-|', label, '=', data[ 'content' .. i ] } ) )
		end
	end
	
	return table.concat( tabberContent )

	--return mw.getCurrentFrame():extensionTag{
    --    name = 'tabber', content = table.concat( tabberContent )
    --}
end

return p
Description	What you type	What you get
Italic	''Italic text''	Italic text
Bold	'''Bold text'''	Bold text
Bold & italic	'''''Bold & italic text'''''	*Bold & italic text*