144 lines
3.1 KiB
Vue
144 lines
3.1 KiB
Vue
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<script lang="ts" setup>
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import { ref, watchPostEffect } from 'vue'
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import { disableBodyScroll, clearAllBodyScrollLocks } from 'body-scroll-lock'
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import { useSidebar } from '../composables/sidebar'
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import VPSidebarItem from './VPSidebarItem.vue'
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const { sidebarGroups, hasSidebar } = useSidebar()
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const props = defineProps<{
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open: boolean
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}>()
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// a11y: focus Nav element when menu has opened
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let navEl = ref<HTMLElement | null>(null)
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function lockBodyScroll() {
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disableBodyScroll(navEl.value!, { reserveScrollBarGap: true })
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}
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function unlockBodyScroll() {
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clearAllBodyScrollLocks()
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}
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watchPostEffect(async () => {
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if (props.open) {
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lockBodyScroll()
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navEl.value?.focus()
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} else {
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unlockBodyScroll()
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}
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})
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</script>
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<template>
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<aside
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v-if="hasSidebar"
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class="VPSidebar"
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:class="{ open }"
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ref="navEl"
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@click.stop
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>
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<div class="curtain" />
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<nav class="nav" id="VPSidebarNav" aria-labelledby="sidebar-aria-label" tabindex="-1">
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<span class="visually-hidden" id="sidebar-aria-label">
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Sidebar Navigation
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</span>
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<slot name="sidebar-nav-before" />
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<div v-for="item in sidebarGroups" :key="item.text" class="group">
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<VPSidebarItem :item="item" :depth="0" />
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</div>
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<slot name="sidebar-nav-after" />
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</nav>
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</aside>
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</template>
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<style scoped>
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.VPSidebar {
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position: fixed;
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top: var(--vp-layout-top-height, 0px);
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bottom: 0;
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left: 0;
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z-index: var(--vp-z-index-sidebar);
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padding: 32px 32px 96px;
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width: calc(100vw - 64px);
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max-width: 320px;
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background-color: var(--vp-sidebar-bg-color);
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opacity: 0;
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box-shadow: var(--vp-c-shadow-3);
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overflow-x: hidden;
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overflow-y: auto;
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transform: translateX(-100%);
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transition: opacity 0.5s, transform 0.25s ease;
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overscroll-behavior: contain;
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}
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.VPSidebar.open {
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opacity: 1;
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visibility: visible;
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transform: translateX(0);
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transition: opacity 0.25s,
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transform 0.5s cubic-bezier(0.19, 1, 0.22, 1);
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}
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.dark .VPSidebar {
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box-shadow: var(--vp-shadow-1);
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}
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@media (min-width: 960px) {
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.VPSidebar {
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z-index: 1;
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padding-top: var(--vp-nav-height);
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padding-bottom: 128px;
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width: var(--vp-sidebar-width);
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max-width: 100%;
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background-color: var(--vp-sidebar-bg-color);
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opacity: 1;
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visibility: visible;
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box-shadow: none;
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transform: translateX(0);
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}
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}
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@media (min-width: 1440px) {
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.VPSidebar {
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padding-left: max(32px, calc((100% - (var(--vp-layout-max-width) - 64px)) / 2));
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width: calc((100% - (var(--vp-layout-max-width) - 64px)) / 2 + var(--vp-sidebar-width) - 32px);
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}
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}
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@media (min-width: 960px) {
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.curtain {
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position: sticky;
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top: -64px;
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left: 0;
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z-index: 1;
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margin-top: calc(var(--vp-nav-height) * -1);
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margin-right: -32px;
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margin-left: -32px;
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height: var(--vp-nav-height);
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background-color: var(--vp-sidebar-bg-color);
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}
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}
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.nav {
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outline: 0;
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}
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.group + .group {
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border-top: 1px solid var(--vp-c-divider);
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padding-top: 10px;
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}
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@media (min-width: 960px) {
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.group {
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padding-top: 10px;
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width: calc(var(--vp-sidebar-width) - 64px);
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}
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}
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</style>
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