74 lines
1.6 KiB
Vue
74 lines
1.6 KiB
Vue
<template>
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<div ref="root" class="infinte-loader">
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<div class="spinner" v-show="isLoading">
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<div class="bounce1"></div>
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<div class="bounce2"></div>
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<div class="bounce3"></div>
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</div>
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</div>
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</template>
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<script lang="ts" setup>
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const { onLoadMore = () => {}, enabled } = defineProps<{
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onLoadMore: () => void;
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enabled: boolean;
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}>();
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const isLoading = ref(false);
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const root = ref<HTMLElement>();
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const observer = new IntersectionObserver(async (entries) => {
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if (entries[0].intersectionRatio <= 0) return;
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if (onLoadMore && enabled) {
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const scrollingParent = root.value?.closest("[data-scrolling]") || document.documentElement;
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const previousHeight = scrollingParent.scrollHeight;
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isLoading.value = true;
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await onLoadMore();
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isLoading.value = false;
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await nextTick();
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scrollingParent.scrollTop += scrollingParent.scrollHeight - previousHeight;
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}
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});
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onMounted(() => observer.observe(root.value!));
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onUnmounted(() => observer.disconnect());
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</script>
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<style scoped lang="scss">
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.infinte-loader {
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min-height: 1px;
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}
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.spinner {
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margin: 10px auto 0;
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width: 70px;
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text-align: center;
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& > div {
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width: 12px;
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height: 12px;
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background-color: var(--primary-color);
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border-radius: 100%;
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display: inline-block;
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animation: sk-bouncedelay 0.8s infinite ease-in-out both;
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}
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& .bounce1 {
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animation-delay: -0.32s;
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}
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& .bounce2 {
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animation-delay: -0.16s;
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}
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}
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@keyframes sk-bouncedelay {
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0%,
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80%,
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100% {
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transform: scale(0);
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}
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40% {
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transform: scale(1);
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}
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}
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</style>
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