53 lines
1.7 KiB
TypeScript
53 lines
1.7 KiB
TypeScript
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export default function useScrollHeight(){
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const getScrollTop = () => {
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if(process.client){
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let scrollTop: number = 0,
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bodyScrollTop: number = 0,
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documentScrollTop: number = 0
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if (document.body) {
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bodyScrollTop = document.body.scrollTop
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}
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if (document.documentElement) {
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documentScrollTop = document.documentElement.scrollTop
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}
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scrollTop = bodyScrollTop - documentScrollTop > 0 ? bodyScrollTop : documentScrollTop
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return scrollTop
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}
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}
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//浏览器视口滚动的高度
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const getScrollHeight = () => {
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if(process.client){
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let scrollHeight: number = 0,
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bodyScrollHeight: number = 0,
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documentScrollHeight: number = 0
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if (document.body) {
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bodyScrollHeight = document.body.scrollHeight
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}
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if (document.documentElement) {
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documentScrollHeight = document.documentElement.scrollHeight
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}
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scrollHeight = bodyScrollHeight - documentScrollHeight > 0 ? bodyScrollHeight : documentScrollHeight
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return scrollHeight
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}
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}
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//浏览器视口的高度
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const getWindowHeight = () => {
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if(process.client){
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let windowHeight: number = 0
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if (document.compatMode == 'CSS1Compat') {
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windowHeight = document.documentElement.clientHeight
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} else {
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windowHeight = document.body.clientHeight
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}
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return windowHeight
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}
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}
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return {
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getScrollTop,
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getScrollHeight,
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getWindowHeight,
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}
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}
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