mirror of
https://github.com/pengzhanbo/vuepress-theme-plume.git
synced 2026-04-23 10:58:13 +08:00
72 lines
1.3 KiB
Vue
72 lines
1.3 KiB
Vue
<script lang="ts" setup>
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import { ref, watch } from 'vue'
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import { useRoute } from 'vuepress/client'
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const route = useRoute()
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const backToTop = ref()
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watch(
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() => route.path,
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() => backToTop.value.focus(),
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)
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function focusOnTargetAnchor({ target }: Event) {
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const el = document.getElementById(
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decodeURIComponent((target as HTMLAnchorElement).hash).slice(1),
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)
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if (el) {
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const removeTabIndex = () => {
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el.removeAttribute('tabindex')
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el.removeEventListener('blur', removeTabIndex)
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}
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el.setAttribute('tabindex', '-1')
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el.addEventListener('blur', removeTabIndex)
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el.focus()
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window.scrollTo(0, 0)
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}
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}
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</script>
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<template>
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<span ref="backToTop" tabindex="-1" />
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<a
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href="#LayoutContent"
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class="skip-link visually-hidden"
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@click="focusOnTargetAnchor"
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>
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Skip to content
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</a>
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</template>
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<style scoped>
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.skip-link {
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top: 8px;
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left: 8px;
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z-index: 999;
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padding: 8px 16px;
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font-size: 12px;
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font-weight: bold;
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color: var(--vp-c-brand-1);
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text-decoration: none;
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background-color: var(--vp-c-bg);
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border-radius: 8px;
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box-shadow: var(--vp-shadow-3);
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}
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.skip-link:focus {
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width: auto;
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height: auto;
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clip: auto;
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clip-path: none;
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}
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@media (min-width: 1280px) {
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.skip-link {
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top: 14px;
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left: 16px;
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}
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}
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</style>
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