tav-ui/es/packages/hooks/event/useIntersectionObserver2.mjs

Tav UI

import { ref, watchEffect } from 'vue';

function useIntersectionObserver({
  target,
  root,
  onIntersect,
  rootMargin = "0px",
  threshold = 0.1
}) {
  let cleanup = () => {
  };
  const observer = ref(null);
  const stopEffect = watchEffect(() => {
    cleanup();
    observer.value = new IntersectionObserver(onIntersect, {
      root: root ? root.value : null,
      rootMargin,
      threshold
    });
    const current = target.value;
    current && observer.value.observe(current);
    cleanup = () => {
      if (observer.value) {
        observer.value.disconnect();
        target.value && observer.value.unobserve(target.value);
      }
    };
  });
  return {
    observer,
    stop: () => {
      cleanup();
      stopEffect();
    }
  };
}

export { useIntersectionObserver };
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