rudeshark.net/packages/client/src/components/MkUrlPreviewPopup.vue

<template>
	<div
		class="fgmtyycl"
		:style="{ zIndex, top: top + 'px', left: left + 'px' }"
	>
		<transition
			:name="$store.state.animation ? 'zoom' : ''"
			@after-leave="emit('closed')"
		>
			<MkUrlPreview v-if="showing" class="_popup _shadow" :url="url" />
		</transition>
	</div>
</template>

<script lang="ts" setup>
import { onMounted } from "vue";
import MkUrlPreview from "@/components/MkUrlPreview.vue";
import * as os from "@/os";

const props = defineProps<{
	showing: boolean;
	url: string;
	source: HTMLElement;
}>();

const emit = defineEmits<{
	(ev: "closed"): void;
}>();

const zIndex = os.claimZIndex("middle");
let top = $ref(0);
let left = $ref(0);

onMounted(() => {
	const rect = props.source.getBoundingClientRect();
	const x =
		Math.max(rect.left + props.source.offsetWidth / 2 - 300 / 2, 6) +
		window.pageXOffset;
	const y = rect.top + props.source.offsetHeight + window.pageYOffset;

	top = y;
	left = x;
});
</script>

<style lang="scss" scoped>
.fgmtyycl {
	position: absolute;
	width: 500px;
	max-width: calc(90vw - 12px);
	pointer-events: none;
}
</style>