Module:Error

-- This module implements.

local p = {}

local HtmlBuilder = require('Module:HtmlBuilder')

local function _error(args) local message = args.message or args[1] or error('no message specified', 2) message = mw.ustring.match(tostring(message), '^%s*(.*%S)') or '' -- Convert message to string and trim whitespace. local tag = mw.ustring.lower(tostring(args.tag))

-- Work out what html tag we should use. if not (tag == 'p' or tag == 'span' or tag == 'div') then tag = 'strong' end

-- Generate the html. local root = HtmlBuilder.create(tag) root .addClass('error') .wikitext(message)

return tostring(root) end

function p.error(frame) local origArgs if frame == mw.getCurrentFrame then -- We're being called via #invoke. The args are passed through to the module -- from the template page, so use the args that were passed into the template. origArgs = frame.args 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 whitespace to be false, so to preserve the previous -- behavior of the template, change any arguments consisting only of whitespace -- to nil, so Lua will consider them false too. local args = {} for k, v in pairs(origArgs) do       if mw.ustring.match(v, '%S') then args[k] = v       end end

return _error(args) end

return p