Module:No globals/sandbox: Difference between revisions

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[[mw:]]>Yurik
(added a comment to explain why require is done inline)
 
m (1 revision imported: Module Import)
 
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Latest revision as of 18:20, 12 November 2022

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