Initial commit

src/watch.luau

@@ -0,0 +1,25 @@
+if not game then script = (require :: any) "test/wrap-require" end
+
+local graph = require(script.Parent.graph)
+local set_effect = graph.set_effect
+local capture = graph.capture
+
+local function watch(effect: () -> ()): () -> ()
+    local nodes = capture(effect :: () -> nil)
+
+    nodes = table.clone(nodes)
+
+    for _, node in next, nodes do
+        set_effect(node, effect, true)  
+    end
+
+    local function unwatch()
+        for _, node in next, nodes do
+            set_effect(node, effect, nil)    
+        end
+    end
+
+    return unwatch
+end
+
+return watch