main repo

node_modules/framer-motion/dist/es/value/use-combine-values.mjs

@@ -0,0 +1,38 @@
+"use client";
+import { cancelFrame, frame } from 'motion-dom';
+import { useIsomorphicLayoutEffect } from '../utils/use-isomorphic-effect.mjs';
+import { useMotionValue } from './use-motion-value.mjs';
+
+function useCombineMotionValues(values, combineValues) {
+    /**
+     * Initialise the returned motion value. This remains the same between renders.
+     */
+    const value = useMotionValue(combineValues());
+    /**
+     * Create a function that will update the template motion value with the latest values.
+     * This is pre-bound so whenever a motion value updates it can schedule its
+     * execution in Framesync. If it's already been scheduled it won't be fired twice
+     * in a single frame.
+     */
+    const updateValue = () => value.set(combineValues());
+    /**
+     * Synchronously update the motion value with the latest values during the render.
+     * This ensures that within a React render, the styles applied to the DOM are up-to-date.
+     */
+    updateValue();
+    /**
+     * Subscribe to all motion values found within the template. Whenever any of them change,
+     * schedule an update.
+     */
+    useIsomorphicLayoutEffect(() => {
+        const scheduleUpdate = () => frame.preRender(updateValue, false, true);
+        const subscriptions = values.map((v) => v.on("change", scheduleUpdate));
+        return () => {
+            subscriptions.forEach((unsubscribe) => unsubscribe());
+            cancelFrame(updateValue);
+        };
+    });
+    return value;
+}
+
+export { useCombineMotionValues };