feat(theme): add animation to mobile page outline dropdown

pull/2104/head
Evan You 2 years ago
parent 8370abc258
commit a6b18a8b9a

@ -1,5 +1,5 @@
<script setup lang="ts"> <script setup lang="ts">
import { ref } from 'vue' import { ref, nextTick } from 'vue'
import { useData } from '../composables/data.js' import { useData } from '../composables/data.js'
import { getHeaders, resolveTitle } from '../composables/outline.js' import { getHeaders, resolveTitle } from '../composables/outline.js'
import VPDocOutlineItem from './VPDocOutlineItem.vue' import VPDocOutlineItem from './VPDocOutlineItem.vue'
@ -9,6 +9,7 @@ import VPIconChevronRight from './icons/VPIconChevronRight.vue'
const { frontmatter, theme } = useData() const { frontmatter, theme } = useData()
const open = ref(false) const open = ref(false)
const vh = ref(0) const vh = ref(0)
const items = ref<HTMLDivElement>()
onContentUpdated(() => { onContentUpdated(() => {
open.value = false open.value = false
@ -21,7 +22,13 @@ function toggle() {
function onItemClick(e: Event) { function onItemClick(e: Event) {
if ((e.target as HTMLElement).classList.contains('outline-link')) { if ((e.target as HTMLElement).classList.contains('outline-link')) {
// disable animation on hash navigation when page jumps
if (items.value) {
items.value.style.transition = 'none'
}
nextTick(() => {
open.value = false open.value = false
})
} }
} }
@ -37,12 +44,18 @@ function scrollToTop() {
{{ resolveTitle(theme) }} {{ resolveTitle(theme) }}
<VPIconChevronRight class="icon" /> <VPIconChevronRight class="icon" />
</button> </button>
<div class="items" v-if="open" @click="onItemClick"> <Transition name="flyout">
<div v-if="open"
ref="items"
class="items"
@click="onItemClick"
>
<a class="top-link" href="#" @click="scrollToTop"> <a class="top-link" href="#" @click="scrollToTop">
{{ theme.returnToTopLabel || 'Return to top' }} {{ theme.returnToTopLabel || 'Return to top' }}
</a> </a>
<VPDocOutlineItem :headers="getHeaders(frontmatter.outline ?? theme.outline)" /> <VPDocOutlineItem :headers="getHeaders(frontmatter.outline ?? theme.outline)" />
</div> </div>
</Transition>
</div> </div>
</template> </template>
@ -110,4 +123,18 @@ function scrollToTop() {
margin: 0 13px 10px; margin: 0 13px 10px;
border-bottom: 1px solid var(--vp-c-divider); border-bottom: 1px solid var(--vp-c-divider);
} }
.flyout-enter-active {
transition: all .2s ease-out;
}
.flyout-leave-active {
transition: all .15s ease-in;
}
.flyout-enter-from,
.flyout-leave-to {
opacity: 0;
transform: translateY(-16px);
}
</style> </style>

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