basic setup

composables/useLenis.js

@@ -0,0 +1,14 @@
+import { inject, onBeforeUnmount } from 'vue'
+
+export default (callback = () => {}, instanceId) => {
+    const instanceKey = `lenis${instanceId ? `-${instanceId}` : ''}`
+    const lenis = inject(instanceKey)
+
+    if (lenis.value) {
+        lenis.value.on('scroll', callback)
+    }
+
+    onBeforeUnmount(() => lenis.value?.off('scroll', callback))
+
+    return lenis
+}