vide/src/sibling.luau
2024-11-05 22:30:05 +00:00

32 lines
791 B
Text

if not game then script = require "test/relative-string" end
local graph = require(script.Parent.graph)
type Node<T> = graph.Node<T>
export type Source<T> = (() -> T) & ((value: T) -> T)
local function sibling<T>(fn: () -> T): (() -> (), T)
local node = graph.get_scope()
if not node then error("") end
local parent_node = node.owner
if not parent_node then error("") end
local sibling = graph.create_node(parent_node :: Node<unknown>, false, false)
graph.push_scope(sibling)
local ok, result = pcall(fn)
graph.pop_scope()
if not ok then error(result, 0) end
local function destroy()
graph.destroy(sibling)
end
return destroy, result
end
return sibling :: (<T>(fn: () -> T) -> (() -> (), T)) & ((fn: () -> ()) -> () -> ())