first commit

node_modules/motion-dom/dist/es/effects/utils/create-effect.mjs

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+import { MotionValueState } from '../MotionValueState.mjs';
+
+function createEffect(addValue) {
+    const stateCache = new WeakMap();
+    const subscriptions = [];
+    return (subject, values) => {
+        const state = stateCache.get(subject) ?? new MotionValueState();
+        stateCache.set(subject, state);
+        for (const key in values) {
+            const value = values[key];
+            const remove = addValue(subject, state, key, value);
+            subscriptions.push(remove);
+        }
+        return () => {
+            for (const cancel of subscriptions)
+                cancel();
+        };
+    };
+}
+
+export { createEffect };