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<!--
SPDX-FileCopyrightText: syuilo and misskey-project
SPDX-License-Identifier: AGPL-3.0-only
-->
<template>
<div :class="$style.wrap">
<span
ref="contentEl"
:class="[$style.content, {
[$style.paused]: paused,
[$style.reverse]: reverse,
}]"
>
<span v-for="key in repeat" :key="key" :class="$style.text">
<slot></slot>
</span>
</span>
</div>
</template>
<script lang="ts" setup>
import { onMounted, useTemplateRef, watch } from 'vue';
const props = withDefaults(defineProps<{
duration?: number;
repeat?: number;
paused?: boolean;
reverse?: boolean;
}>(), {
duration: 15,
repeat: 2,
paused: false,
reverse: false,
});
const contentEl = useTemplateRef('contentEl');
function calcDuration() {
if (contentEl.value == null) return;
const eachLength = contentEl.value.offsetWidth / props.repeat;
const factor = 3000;
const duration = props.duration / ((1 / eachLength) * factor);
contentEl.value.style.animationDuration = `${duration}s`;
}
watch(() => props.duration, calcDuration);
onMounted(calcDuration);
</script>
<style lang="scss" module>
.wrap {
overflow: clip;
animation-play-state: running;
&:hover {
animation-play-state: paused;
}
}
.content {
display: inline-block;
white-space: nowrap;
animation-play-state: inherit;
}
.text {
display: inline-block;
animation-name: marquee;
animation-timing-function: linear;
animation-iteration-count: infinite;
animation-duration: inherit;
animation-play-state: inherit;
}
.paused .text {
animation-play-state: paused;
}
.reverse .text {
animation-direction: reverse;
}
@keyframes marquee {
0% { transform: translateX(0); }
100% { transform: translateX(-100%); }
}
</style>
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