Module:No globals: Difference between revisions

From ihaveahax's Site
Jump to navigationJump to search
m (7 revisions imported from meta:Module:No_globals)
 
m (1 revision imported: Importing mediawiki:Template:Mbox without documentation (not needed))
 
(No difference)

Latest revision as of 04:22, 8 March 2021

Documentation for this module may be created at Module:No globals/doc

local mt = getmetatable(_G) or {}
function mt.__index (t, k)
	if k ~= 'arg' then
		-- perf optimization here and below: do not load Module:TNT unless there is an error
		error(require('Module:TNT').format('I18n/No globals', 'err-read', tostring(k)), 2)
	end
	return nil
end
function mt.__newindex(t, k, v)
	if k ~= 'arg' then
		error(require('Module:TNT').format('I18n/No globals', 'err-write', tostring(k)), 2)
	end
	rawset(t, k, v)
end
setmetatable(_G, mt)