<script lang="ts" setup>
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import { ref, watch } from 'vue';
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import { cn } from '@vben-core/shared/utils';
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interface Props {
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class?: string;
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/**
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* @zh_CN 最小加载时间
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* @en_US Minimum loading time
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*/
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minLoadingTime?: number;
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/**
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* @zh_CN loading状态开启
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*/
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spinning?: boolean;
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}
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defineOptions({
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name: 'VbenSpinner',
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});
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const props = withDefaults(defineProps<Props>(), {
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minLoadingTime: 50,
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});
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// const startTime = ref(0);
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const showSpinner = ref(false);
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const renderSpinner = ref(false);
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const timer = ref<ReturnType<typeof setTimeout>>();
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watch(
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() => props.spinning,
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(show) => {
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if (!show) {
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showSpinner.value = false;
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clearTimeout(timer.value);
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return;
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}
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// startTime.value = performance.now();
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timer.value = setTimeout(() => {
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// const loadingTime = performance.now() - startTime.value;
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showSpinner.value = true;
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if (showSpinner.value) {
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renderSpinner.value = true;
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}
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}, props.minLoadingTime);
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},
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{
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immediate: true,
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},
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);
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function onTransitionEnd() {
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if (!showSpinner.value) {
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renderSpinner.value = false;
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}
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}
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</script>
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<template>
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<div
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:class="
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cn(
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'flex-center z-100 bg-overlay-content absolute left-0 top-0 size-full backdrop-blur-sm transition-all duration-500',
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{
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'invisible opacity-0': !showSpinner,
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},
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props.class,
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)
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"
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@transitionend="onTransitionEnd"
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>
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<div
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:class="{ paused: !renderSpinner }"
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v-if="renderSpinner"
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class="loader before:bg-primary/50 after:bg-primary relative size-12 before:absolute before:left-0 before:top-[60px] before:h-[5px] before:w-12 before:rounded-[50%] before:content-[''] after:absolute after:left-0 after:top-0 after:h-full after:w-full after:rounded after:content-['']"
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></div>
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</div>
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</template>
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<style scoped>
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.paused {
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&::before {
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animation-play-state: paused !important;
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}
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&::after {
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animation-play-state: paused !important;
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}
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}
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.loader {
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&::before {
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animation: loader-shadow-ani 0.5s linear infinite;
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}
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&::after {
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animation: loader-jump-ani 0.5s linear infinite;
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}
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}
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@keyframes loader-jump-ani {
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15% {
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border-bottom-right-radius: 3px;
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}
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25% {
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transform: translateY(9px) rotate(22.5deg);
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}
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50% {
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border-bottom-right-radius: 40px;
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transform: translateY(18px) scale(1, 0.9) rotate(45deg);
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}
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75% {
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transform: translateY(9px) rotate(67.5deg);
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}
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100% {
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transform: translateY(0) rotate(90deg);
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}
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}
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@keyframes loader-shadow-ani {
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0%,
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100% {
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transform: scale(1, 1);
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}
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50% {
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transform: scale(1.2, 1);
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}
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}
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</style>
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