Difference between revisions of "Module:No globals"
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mediawiki>Minorax m (7 revisions imported from meta:Module:No_globals) |
(Undid revision 948472525 by [[Special:Contributions/w>DiBabelYurikBot|w>DiBabelYurikBot]] ([[User talk:w>DiBabelYurikBot|talk]])) |
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| Line 2: | Line 2: | ||
function mt.__index (t, k) |
function mt.__index (t, k) |
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if k ~= 'arg' then |
if k ~= 'arg' then |
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| + | error('Tried to read nil global ' .. tostring(k), 2) |
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| − | -- perf optimization here and below: do not load Module:TNT unless there is an error |
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| − | error(require('Module:TNT').format('I18n/No globals', 'err-read', tostring(k)), 2) |
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end |
end |
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return nil |
return nil |
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| Line 9: | Line 8: | ||
function mt.__newindex(t, k, v) |
function mt.__newindex(t, k, v) |
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if k ~= 'arg' then |
if k ~= 'arg' then |
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| − | error |
+ | error('Tried to write global ' .. tostring(k), 2) |
end |
end |
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rawset(t, k, v) |
rawset(t, k, v) |
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Revision as of 06:28, 1 April 2020
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
error('Tried to read nil global ' .. tostring(k), 2)
end
return nil
end
function mt.__newindex(t, k, v)
if k ~= 'arg' then
error('Tried to write global ' .. tostring(k), 2)
end
rawset(t, k, v)
end
setmetatable(_G, mt)