Module:Error

-- This module functions a lot like, but uses fancier css.

local p = {}

local HtmlBuilder = require('Module:HtmlBuilder')

local function _error(args) local s = args.message or args[1] or error('no message specified', 2) local tag = mw.ustring.lower(tostring(args.tag))

local t   if tag == 'p' or tag == 'span' or tag == 'div' then t = tag else t = 'strong' end local root = HtmlBuilder.create(t)

root .addClass('error') .css('float', 'left') .css('white-space', 'nowrap') .wikitext('Error: ' .. tostring(s))

return tostring(root) end

function p.error(frame) local origArgs if frame == mw.getCurrentFrame then -- We're being called via #invoke. If the invoking template passed any args, use -- them. Otherwise, use the args that were passed into the template. origArgs = frame:getParent.args for k, v in pairs(frame.args) do           origArgs = frame.args break end else -- We're being called from another module or from the debug console, so assume -- the args are passed in directly. origArgs = frame end -- ParserFunctions considers the empty string to be false, so to preserve the previous -- behavior of the template, change any empty arguments to nil, so Lua will consider -- them false too.

local args = {} for k, v in pairs(origArgs) do       if v ~= '' then args[k] = v       end end

local args = origArgs return _error(args) end

return p