LibStub = LibStub or {libs = {}, minors = {} } |
_G[LIBSTUB_MAJOR] = LibStub |
LibStub.minor = LIBSTUB_MINOR |
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function LibStub:NewLibrary(major, minor) |
assert(type(major) == "string", "Bad argument #2 to `NewLibrary' (string expected)") |
minor = assert(tonumber(strmatch(minor, "%d+")), "Minor version must either be a number or contain a number.") |
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local oldminor = self.minors[major] |
if oldminor and oldminor >= minor then return nil end |
self.minors[major], self.libs[major] = minor, self.libs[major] or {} |
return self.libs[major], oldminor |
end |
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function LibStub:GetLibrary(major, silent) |
if not self.libs[major] and not silent then |
error(("Cannot find a library instance of %q."):format(tostring(major)), 2) |
end |
return self.libs[major], self.minors[major] |
end |
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function LibStub:IterateLibraries() return pairs(self.libs) end |
setmetatable(LibStub, { __call = LibStub.GetLibrary }) |
end |
end |