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fix: fix bug
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huanghong1125 committed Apr 2, 2022
1 parent 46133b3 commit 179ca06
Showing 1 changed file with 41 additions and 34 deletions.
75 changes: 41 additions & 34 deletions src/components/Sticky/src/Sticky.vue
Original file line number Diff line number Diff line change
@@ -1,7 +1,8 @@
<script setup lang="ts">
import { propTypes } from '@/utils/propTypes'
import { ref, onMounted, onActivated, shallowRef } from 'vue'
import { useEventListener, useWindowSize } from '@vueuse/core'
import { useEventListener, useWindowSize, isClient } from '@vueuse/core'
import type { CSSProperties } from 'vue'
const props = defineProps({
// 距离顶部或者底部的距离(单位px)
offset: propTypes.number.def(0),
Expand All @@ -19,16 +20,16 @@ const props = defineProps({
}
})
const active = ref(false)
const positionStyle = ref('' as any)
const width = ref(undefined as any)
const height = ref(undefined as any)
const width = ref('auto' as string)
const height = ref('auto' as string)
const isSticky = ref(false)
const refSticky = ref()
const scrollContainer = shallowRef()
const refSticky = shallowRef<HTMLElement>()
const scrollContainer = shallowRef<HTMLElement | Window>()
const { height: windowHeight } = useWindowSize()
onMounted(() => {
height.value = refSticky.value.getBoundingClientRect().height
scrollContainer.value = getScrollContainer(refSticky.value, true)
height.value = refSticky.value?.getBoundingClientRect().height + 'px'
scrollContainer.value = getScrollContainer(refSticky.value!, true)
useEventListener(scrollContainer, 'scroll', handleScroll)
useEventListener('resize', handleReize)
handleScroll()
Expand All @@ -37,96 +38,102 @@ onActivated(() => {
handleScroll()
})
const camelize = (str) => {
const camelize = (str: string): string => {
return str.replace(/-(\w)/g, (_, c) => (c ? c.toUpperCase() : ''))
}
const getStyle = (element, styleName) => {
let _a
const getStyle = (element: HTMLElement, styleName: keyof CSSProperties): string => {
if (!isClient || !element || !styleName) return ''
let key = camelize(styleName)
if (key === 'float') key = 'cssFloat'
try {
const style = element.style[styleName]
if (style) return style
const computed = (_a = document.defaultView) == null ? void 0 : _a.getComputedStyle(element, '')
const computed = document.defaultView?.getComputedStyle(element, '')
return computed ? computed[styleName] : ''
} catch (e) {
} catch {
return element.style[styleName]
}
}
const isScroll = (el, isVertical) => {
const key = {
undefined: 'overflow',
true: 'overflow-y',
false: 'overflow-x'
}[String(isVertical)]
const isScroll = (el: HTMLElement, isVertical?: boolean): boolean => {
if (!isClient) return false
const key = (
{
undefined: 'overflow',
true: 'overflow-y',
false: 'overflow-x'
} as const
)[String(isVertical)]!
const overflow = getStyle(el, key)
return ['scroll', 'auto', 'overlay'].some((s) => overflow.includes(s))
}
const getScrollContainer = (el, isVertical) => {
const getScrollContainer = (
el: HTMLElement,
isVertical: boolean
): Window | HTMLElement | undefined => {
if (!isClient) return
let parent = el
while (parent) {
if ([window, document, document.documentElement].includes(parent)) return window
if (isScroll(parent, isVertical)) return parent
parent = parent.parentNode
parent = parent.parentNode as HTMLElement
}
return parent
}
const handleScroll = () => {
width.value = refSticky.value.getBoundingClientRect().width
width.value = refSticky.value!.getBoundingClientRect().width! + 'px'
if (props.position === 'top') {
const offsetTop = refSticky.value.getBoundingClientRect().top
if (offsetTop < props.offset) {
const offsetTop = refSticky.value?.getBoundingClientRect().top
if (offsetTop !== undefined && offsetTop < props.offset) {
sticky()
return
}
reset()
} else {
const offsetBottom = refSticky.value.getBoundingClientRect().bottom
if (offsetBottom > windowHeight.value - props.offset) {
const offsetBottom = refSticky.value?.getBoundingClientRect().bottom
if (offsetBottom !== undefined && offsetBottom > windowHeight.value - props.offset) {
sticky()
return
}
reset()
}
}
const handleReize = () => {
if (isSticky.value) {
if (isSticky.value && refSticky.value) {
width.value = refSticky.value.getBoundingClientRect().width + 'px'
}
}
const sticky = () => {
if (active.value) {
return
}
positionStyle.value = 'fixed'
active.value = true
width.value = width.value + 'px'
isSticky.value = true
}
const reset = () => {
if (!active.value) {
return
}
positionStyle.value = ''
width.value = 'auto'
active.value = false
isSticky.value = false
}
</script>
<template>
<div :style="{ height: height + 'px', zIndex: zIndex }" ref="refSticky">
<div :style="{ height: height, zIndex: zIndex }" ref="refSticky">
<div
:class="className"
:style="{
top: position === 'top' ? offset + 'px' : '',
bottom: position !== 'top' ? offset + 'px' : '',
zIndex: zIndex,
position: positionStyle,
position: active ? 'fixed' : 'static',
width: width,
height: height + 'px'
height: height
}"
>
<slot>
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