La documentación para este módulo puede ser creada en Módulo:Synchronizer/doc

local Synchronizer = {}

-- Error handling function
-- @return Wiki friendly error message
function Synchronizer.error( message )
	return mw.html.create( 'div' ):addClass( 'error' ):wikitext( 'Synchronizer error: ' .. message )
end

function Synchronizer.main( frame )

	-- Get the arguments
	local args = frame:getParent().args
	for key, value in pairs( frame.args ) do
		args[ key ] = value -- args from Lua calls have priority over parent args from template
	end

	-- Get the entity
	local entity
	local id = args[1]
	if id then
		entity = mw.wikibase.getEntity( id ) -- Throws an error if an invalid or non-existent ID is given
	else
		entity = mw.wikibase.getEntity()
		if not entity then
			return Synchronizer.error( 'No Wikidata entity is associated to this page' )
		end
		id = entity:getId()
	end
	local label = entity:getLabel()

	-- Build the button
	local title = mw.title.getCurrentTitle()
	local url = title:fullUrl( 'withJS=MediaWiki:Synchronizer.js' ) .. '#' .. id
	local message = args['text'] or 'Synchronize $1';
	local text = mw.message.newRawMessage( message, label ):plain()
	local link = '[' .. url .. ' <span class="mw-ui-button" style="max-width:none;">' .. text .. '</span>]';
	local master = args['master']
	local div = mw.html.create( 'div' )
		:attr( 'id', id )
		:attr( 'data-entity', id )
		:attr( 'data-master', master )
		:addClass( 'plainlinks' )
		:css( 'margin', '.5em 0' )
		:wikitext( link )
	return div
end

return Synchronizer