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Allow untrack() in non-reactive scopes

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Closes #17
This commit is contained in:
Aaron Smith 2023-09-26 14:11:33 +01:00
parent 71bbaa2092
commit d1f86a3f9e
2 changed files with 13 additions and 11 deletions
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23
src/untrack.luau
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@ -7,21 +7,22 @@ local get_scope = graph.get_scope
local function untrack<T>(source: () -> T): T
local scope = get_scope()
if not scope then
throw("cannot untrack in non-reactive scope")
end; assert(scope)
if scope then
-- sources are only tracked if the node in scope has an effect
local effect = scope.effect
scope.effect = false
-- sources are only tracked if the node in scope has an effect
local effect = scope.effect
scope.effect = false
local ok, result = pcall(source)
local ok, result = pcall(source)
scope.effect = effect :: () -> ()
scope.effect = effect :: () -> ()
if not ok then error(result, 0) end
if not ok then error(result, 0) end
return result
return result
else
return source()
end
end
return untrack