Module:Error

Documentation for this module may be created at Module:Error/doc

local p = {}

-- Call this in modules
function p.error(message, tagname)
    -- message shouldn't be nil nor empty
    if message == nil then
        error("no message specified", 2)
    else
        message = mw.text.trim(tostring(message))
        if message == "" then
            error("empty message", 2)
        end
    end

    if type(tagname) ~= "string" then
        tagname = "strong"
    else
        tagname = mw.ustring.lower(tagname)
        if tagname ~= "span" and tagname ~= "p" and tagname ~= "div" then
            tagname = "strong"
        end
    end

    return tostring(mw.html.create(tagname)
        :addClass("error")
        :wikitext(message))
end

-- Call this in templates
function p.main(frame)
    return p.error(
        frame.args[1] or frame:getParent().args[1],
        frame.args.tag or frame:getParent().args.tag
    )
end

return p