Module:Error: Difference between revisions

Revision as of 11:49, 4 April 2013

Latest revision as of 11:11, 21 November 2016

(10 intermediate revisions by 2 users not shown)

Line 2:

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))

Line 16 ⟶ 12:

-- Generate the html.

localreturn root = HtmlBuildertostring(mw.html.create(tag)

.:addClass('error')

root

local message = :wikitext(tostring(args.message or args[1] or error('no message specified', 2)))

.addClass('error')

root)

.wikitext(message)

return tostring(root)

end

function p.error(frame)

local origArgsargs

if type(frame.args) == mw.getCurrentFrame()'table' 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.

origArgsargs = frame.args

else

-- We're being called from another module or from the debug console, so assume

-- the args are passed in directly.

origArgsargs = frame

end

-- if the message parameter is present but blank, change it to nil so that Lua will

-- to nil, so Lua will consider themit false too.

-- ParserFunctions considers whitespace to be false, so to preserve the previous

if args.message == "" then

-- behavior of the template, change any arguments consisting only of whitespace

args.wikitext(message) = nil

-- 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