enhance(client): better sticky-container component

This commit is contained in:
syuilo 2022-07-02 21:28:55 +09:00
parent ef83670716
commit f9ba35d928
3 changed files with 24 additions and 34 deletions

View File

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

View File

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

View File

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