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<template>
<span class="zjobosdg">
<span v-text="hh"></span>
<span class="colon" :class="{ showColon }">:</span>
<span v-text="mm"></span>
<span v-if="showS" class="colon" :class="{ showColon }">:</span>
<span v-if="showS" v-text="ss"></span>
<span v-if="showMs" class="colon" :class="{ showColon }">:</span>
<span v-if="showMs" v-text="ms"></span>
</span>
</template>
<script lang="ts" setup>
import { onUnmounted, ref, watch } from 'vue';
const props = withDefaults(defineProps<{
showS?: boolean;
showMs?: boolean;
offset?: number;
}>(), {
showS: true,
showMs: false,
offset: 0 - new Date().getTimezoneOffset(),
});
let intervalId;
const hh = ref('');
const mm = ref('');
const ss = ref('');
const ms = ref('');
const showColon = ref(false);
let prevSec: number | null = null;
watch(showColon, (v) => {
if (v) {
window.setTimeout(() => {
showColon.value = false;
}, 30);
}
});
const tick = () => {
const now = new Date();
now.setMinutes(now.getMinutes() + (new Date().getTimezoneOffset() + props.offset));
hh.value = now.getHours().toString().padStart(2, '0');
mm.value = now.getMinutes().toString().padStart(2, '0');
ss.value = now.getSeconds().toString().padStart(2, '0');
ms.value = Math.floor(now.getMilliseconds() / 10).toString().padStart(2, '0');
if (now.getSeconds() !== prevSec) showColon.value = true;
prevSec = now.getSeconds();
};
tick();
watch(() => props.showMs, () => {
if (intervalId) window.clearInterval(intervalId);
intervalId = window.setInterval(tick, props.showMs ? 10 : 1000);
}, { immediate: true });
onUnmounted(() => {
window.clearInterval(intervalId);
});
</script>
<style lang="scss" scoped>
.zjobosdg {
> .colon {
opacity: 0;
transition: opacity 1s ease;
&.showColon {
opacity: 1;
transition: opacity 0s;
}
}
}
</style>
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