build(spf): build26 from 45504a2b

dist/dev/core/signals/effect.js

@@ -0,0 +1,41 @@
+import { Signal } from "signal-polyfill";
+//#region src/core/signals/effect.ts
+const pending = /* @__PURE__ */ new Set();
+const watcher = new Signal.subtle.Watcher(() => {
+	queueMicrotask(runPending);
+});
+function runPending() {
+	for (const c of watcher.getPending()) pending.add(c);
+	watcher.watch();
+	for (const c of pending) {
+		pending.delete(c);
+		c.get();
+	}
+}
+/**
+* Run a side effect whenever its signal dependencies change.
+*
+* Executes immediately (synchronous initial run), then re-runs on the next
+* microtask after any dependency changes. If the callback returns a function,
+* it is called before each re-run and when the effect is stopped — the same
+* cleanup contract as Preact Signals, Maverick Signals, and Svelte 5 $effect.
+*
+* Returns a cleanup function that stops the effect.
+*/
+function effect(fn) {
+	let cleanup;
+	const c = new Signal.Computed(() => {
+		if (typeof cleanup === "function") cleanup();
+		cleanup = fn();
+	});
+	watcher.watch(c);
+	c.get();
+	return () => {
+		watcher.unwatch(c);
+		if (typeof cleanup === "function") cleanup();
+	};
+}
+//#endregion
+export { effect };
+
+//# sourceMappingURL=effect.js.map