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c4a0180a2f
There seemed to be confusion over reactive-scoping (likely due to incomplete docs), so I've added more explicit error messages when deriving in non-reactive scopes to warn the user to use `root()` or `mount()`.
24 lines
582 B
Lua
24 lines
582 B
Lua
if not game then script = require "test/relative-string" end
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local graph = require(script.Parent.graph)
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local create_node = graph.create_node
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local set_owner = graph.set_owner
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local track = graph.track
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local get_owning_scope = graph.get_owning_scope
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local evaluate_node = graph.evaluate_node
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local function derive<T>(source: () -> T): () -> T
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local owner = get_owning_scope()
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local node = create_node(false :: any, source)
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set_owner(node, owner)
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evaluate_node(node)
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return function()
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track(node)
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return node.cache
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end
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end
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return derive
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