526fa8bf3f
* perf(frontend): use setInterval instead of setTimeout chain in MkTime * fix * props.origin * props.origin 2 * fix * add comment * setIntervalを再設定する * refactor
72 lines
2.6 KiB
Vue
72 lines
2.6 KiB
Vue
<template>
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<time :title="absolute">
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<template v-if="invalid">{{ i18n.ts._ago.invalid }}</template>
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<template v-else-if="mode === 'relative'">{{ relative }}</template>
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<template v-else-if="mode === 'absolute'">{{ absolute }}</template>
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<template v-else-if="mode === 'detail'">{{ absolute }} ({{ relative }})</template>
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</time>
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</template>
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<script lang="ts" setup>
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import isChromatic from 'chromatic/isChromatic';
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import { onMounted, onUnmounted } from 'vue';
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import { i18n } from '@/i18n';
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import { dateTimeFormat } from '@/scripts/intl-const';
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const props = withDefaults(defineProps<{
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time: Date | string | number | null;
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origin?: Date | null;
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mode?: 'relative' | 'absolute' | 'detail';
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}>(), {
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origin: isChromatic() ? new Date('2023-04-01T00:00:00Z') : null,
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mode: 'relative',
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});
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const _time = props.time == null ? NaN :
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typeof props.time === 'number' ? props.time :
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(props.time instanceof Date ? props.time : new Date(props.time)).getTime();
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const invalid = Number.isNaN(_time);
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const absolute = !invalid ? dateTimeFormat.format(_time) : i18n.ts._ago.invalid;
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let now = $ref((props.origin ?? new Date()).getTime());
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const ago = $computed(() => (now - _time) / 1000/*ms*/);
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const relative = $computed<string>(() => {
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if (props.mode === 'absolute') return ''; // absoluteではrelativeを使わないので計算しない
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if (invalid) return i18n.ts._ago.invalid;
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return (
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ago >= 31536000 ? i18n.t('_ago.yearsAgo', { n: Math.round(ago / 31536000).toString() }) :
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ago >= 2592000 ? i18n.t('_ago.monthsAgo', { n: Math.round(ago / 2592000).toString() }) :
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ago >= 604800 ? i18n.t('_ago.weeksAgo', { n: Math.round(ago / 604800).toString() }) :
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ago >= 86400 ? i18n.t('_ago.daysAgo', { n: Math.round(ago / 86400).toString() }) :
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ago >= 3600 ? i18n.t('_ago.hoursAgo', { n: Math.round(ago / 3600).toString() }) :
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ago >= 60 ? i18n.t('_ago.minutesAgo', { n: (~~(ago / 60)).toString() }) :
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ago >= 10 ? i18n.t('_ago.secondsAgo', { n: (~~(ago % 60)).toString() }) :
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ago >= -1 ? i18n.ts._ago.justNow :
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i18n.ts._ago.future);
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});
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let tickId: number;
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let currentInterval: number;
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function tick() {
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now = (new Date()).getTime();
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const nextInterval = ago < 60 ? 10000 : ago < 3600 ? 60000 : 180000;
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if (currentInterval !== nextInterval) {
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if (tickId) window.clearInterval(tickId);
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currentInterval = nextInterval;
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tickId = window.setInterval(tick, nextInterval);
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}
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}
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if (!invalid && props.origin === null && (props.mode === 'relative' || props.mode === 'detail')) {
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onMounted(() => {
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tick();
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});
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onUnmounted(() => {
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if (tickId) window.clearInterval(tickId);
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});
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}
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</script>
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