Module:Protect: Difference between revisions

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meta>Petr Matas
(New module)
 
meta>Petr Matas
(Tweak errFormat behavior)
Line 1: Line 1:
local function wrapMessage(errMessage)
return '<span class="error">' .. errMessage .. '</span>'
end
local defaultFormat = wrapMessage('Error: %s')
local function processResult(errFormat, success, ...)
local function processResult(errFormat, success, ...)
if not success then
if not success then
Line 13: Line 7:


local function protect(func, errFormat, raw)
local function protect(func, errFormat, raw)
if not errFormat then
errFormat = errFormat or 'Error: %s'
errFormat = defaultFormat
if not raw then
elseif not raw then
errFormat = '<strong class="error">' .. errFormat .. '</strong>'
errFormat = wrapMessage(errFormat)
end
end

Revision as of 15:21, 19 August 2018

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

local function processResult(errFormat, success, ...)
	if not success then
		return string.format(errFormat, tostring(... or '(no message)'))
	end
	return ...
end

local function protect(func, errFormat, raw)
	errFormat = errFormat or 'Error: %s'
	if not raw then
		errFormat = '<strong class="error">' .. errFormat .. '</strong>'
	end
	
	return function (...)
		return processResult(errFormat, pcall(func, ...))
	end
end

return protect