import {
  SUPPORTS_INTERSECTION
} from "./chunk-LZ5T2ERG.js";
import {
  onScopeDispose,
  ref,
  shallowRef,
  watch
} from "./chunk-2MKFL3BX.js";

// node_modules/vuetify/lib/composables/intersectionObserver.js
function useIntersectionObserver(callback, options) {
  const intersectionRef = ref();
  const isIntersecting = shallowRef(false);
  if (SUPPORTS_INTERSECTION) {
    const observer = new IntersectionObserver((entries) => {
      callback?.(entries, observer);
      isIntersecting.value = !!entries.find((entry) => entry.isIntersecting);
    }, options);
    onScopeDispose(() => {
      observer.disconnect();
    });
    watch(intersectionRef, (newValue, oldValue) => {
      if (oldValue) {
        observer.unobserve(oldValue);
        isIntersecting.value = false;
      }
      if (newValue) observer.observe(newValue);
    }, {
      flush: "post"
    });
  }
  return {
    intersectionRef,
    isIntersecting
  };
}

export {
  useIntersectionObserver
};
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