<template>
	<a :class="{ active: isActive }">
		<slot />
	</a>
</template>

<script lang="ts" setup>
import { useAttrs, computed } from 'vue'
import { usePageContext } from '../renderer/usePageContext'

const pageContext = usePageContext()
const { href } = useAttrs() as { href: string }
const isActive = computed(() => {
	const { urlPathname } = pageContext.value
	return href === '/' ? urlPathname === href : urlPathname.startsWith(href)
})
</script>

<style scoped>
a {
	padding: 2px 10px;
	margin-left: -10px;
}
a.active {
	background-color: #eee;
}
</style>
