refactor: finalize updates

src/capture.luau

@@ -0,0 +1,25 @@
+local store = require(script.Parent.store)
+local types = require(script.Parent.types)
+type Atom<T> = types.Atom<T>
+type Source<T> = types.Source<T>
+
+local function capture<T>(source: Source<T>): ({ [Atom<any>]: true }, T)
+	if store.listeners[source] then
+		return { [source] = true }, source()
+	end
+
+	store.setCapturing(true)
+	local success, result = pcall(source)
+	store.setCapturing(false)
+
+	local dependencies = table.clone(store.captured)
+	table.clear(store.captured)
+
+	if not success then
+		warn("An error occurred while calling an atom:", result)
+	end
+
+	return dependencies, result
+end
+
+return capture