enhance(client): better sticky-container component

This commit is contained in:
syuilo 2022-07-02 21:28:55 +09:00 committed by Chloe Kudryavtsev
parent ba6f0cd91d
commit d42325e108
3 changed files with 24 additions and 34 deletions

View file

@ -174,9 +174,6 @@ onUnmounted(() => {
.fdidabkb { .fdidabkb {
--height: 60px; --height: 60px;
display: flex; display: flex;
position: sticky;
top: var(--stickyTop, 0);
z-index: 1000;
width: 100%; width: 100%;
-webkit-backdrop-filter: var(--blur, blur(15px)); -webkit-backdrop-filter: var(--blur, blur(15px));
backdrop-filter: var(--blur, blur(15px)); backdrop-filter: var(--blur, blur(15px));

View file

@ -1,6 +1,8 @@
<template> <template>
<div ref="rootEl"> <div ref="rootEl">
<slot name="header"></slot> <div ref="headerEl">
<slot name="header"></slot>
</div>
<div ref="bodyEl" :data-sticky-container-header-height="headerHeight"> <div ref="bodyEl" :data-sticky-container-header-height="headerHeight">
<slot></slot> <slot></slot>
</div> </div>
@ -8,39 +10,25 @@
</template> </template>
<script lang="ts" setup> <script lang="ts" setup>
import { onMounted, onUnmounted } from 'vue'; import { onMounted, onUnmounted, provide, inject, Ref, ref, watch } from 'vue';
const props = withDefaults(defineProps<{ const CURRENT_STICKY_TOP = Symbol('CURRENT_STICKY_TOP');
autoSticky?: boolean;
}>(), {
autoSticky: false,
});
const rootEl = $ref<HTMLElement>(); const rootEl = $ref<HTMLElement>();
const headerEl = $ref<HTMLElement>();
const bodyEl = $ref<HTMLElement>(); const bodyEl = $ref<HTMLElement>();
let headerHeight = $ref<string | undefined>(); let headerHeight = $ref<string | undefined>();
let childStickyTop = $ref(0);
const parentStickyTop = inject<Ref<number>>(CURRENT_STICKY_TOP, ref(0));
provide(CURRENT_STICKY_TOP, $$(childStickyTop));
const calc = () => { const calc = () => {
const currentStickyTop = getComputedStyle(rootEl).getPropertyValue('--stickyTop') || '0px'; childStickyTop = parentStickyTop.value + headerEl.offsetHeight;
headerHeight = headerEl.offsetHeight.toString();
const header = rootEl.children[0] as HTMLElement;
if (header === bodyEl) {
bodyEl.style.setProperty('--stickyTop', currentStickyTop);
} else {
bodyEl.style.setProperty('--stickyTop', `calc(${currentStickyTop} + ${header.offsetHeight}px)`);
headerHeight = header.offsetHeight.toString();
if (props.autoSticky) {
header.style.setProperty('--stickyTop', currentStickyTop);
header.style.position = 'sticky';
header.style.top = 'var(--stickyTop)';
header.style.zIndex = '1';
}
}
}; };
const observer = new MutationObserver(() => { const observer = new ResizeObserver(() => {
window.setTimeout(() => { window.setTimeout(() => {
calc(); calc();
}, 100); }, 100);
@ -49,11 +37,19 @@ const observer = new MutationObserver(() => {
onMounted(() => { onMounted(() => {
calc(); calc();
observer.observe(rootEl, { watch(parentStickyTop, calc);
attributes: false,
childList: true, watch($$(childStickyTop), () => {
subtree: false, bodyEl.style.setProperty('--stickyTop', `${childStickyTop}px`);
}, {
immediate: true,
}); });
headerEl.style.position = 'sticky';
headerEl.style.top = 'var(--stickyTop, 0)';
headerEl.style.zIndex = '1000';
observer.observe(headerEl);
}); });
onUnmounted(() => { onUnmounted(() => {

View file

@ -152,9 +152,6 @@ onUnmounted(() => {
.fdidabkc { .fdidabkc {
--height: 60px; --height: 60px;
display: flex; display: flex;
position: sticky;
top: var(--stickyTop, 0);
z-index: 1000;
width: 100%; width: 100%;
-webkit-backdrop-filter: var(--blur, blur(15px)); -webkit-backdrop-filter: var(--blur, blur(15px));
backdrop-filter: var(--blur, blur(15px)); backdrop-filter: var(--blur, blur(15px));