forked from AkkomaGang/akkoma-fe
handle multiple body scroll lockers
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8db1fa506c
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1 changed files with 33 additions and 22 deletions
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@ -2,42 +2,53 @@ import * as bodyScrollLock from 'body-scroll-lock'
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let previousNavPaddingRight
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let previousAppBgWrapperRight
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let lockerEls = []
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const disableBodyScroll = (el) => {
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const scrollBarGap = window.innerWidth - document.documentElement.clientWidth
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bodyScrollLock.disableBodyScroll(el, {
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reserveScrollBarGap: true
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})
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if (!lockerEls.includes(el)) {
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lockerEls.push(el)
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}
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setTimeout(() => {
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// If previousNavPaddingRight is already set, don't set it again.
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if (previousNavPaddingRight === undefined) {
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const navEl = document.getElementById('nav')
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previousNavPaddingRight = window.getComputedStyle(navEl).getPropertyValue('padding-right')
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navEl.style.paddingRight = previousNavPaddingRight ? `calc(${previousNavPaddingRight} + ${scrollBarGap}px)` : `${scrollBarGap}px`
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if (lockerEls.length <= 1) {
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// If previousNavPaddingRight is already set, don't set it again.
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if (previousNavPaddingRight === undefined) {
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const navEl = document.getElementById('nav')
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previousNavPaddingRight = window.getComputedStyle(navEl).getPropertyValue('padding-right')
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navEl.style.paddingRight = previousNavPaddingRight ? `calc(${previousNavPaddingRight} + ${scrollBarGap}px)` : `${scrollBarGap}px`
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}
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// If previousAppBgWrapeprRight is already set, don't set it again.
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if (previousAppBgWrapperRight === undefined) {
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const appBgWrapperEl = document.getElementById('app_bg_wrapper')
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previousAppBgWrapperRight = window.getComputedStyle(appBgWrapperEl).getPropertyValue('right')
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appBgWrapperEl.style.right = previousAppBgWrapperRight ? `calc(${previousAppBgWrapperRight} + ${scrollBarGap}px)` : `${scrollBarGap}px`
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}
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document.body.classList.add('scroll-locked')
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}
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// If previousAppBgWrapeprRight is already set, don't set it again.
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if (previousAppBgWrapperRight === undefined) {
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const appBgWrapperEl = document.getElementById('app_bg_wrapper')
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previousAppBgWrapperRight = window.getComputedStyle(appBgWrapperEl).getPropertyValue('right')
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appBgWrapperEl.style.right = previousAppBgWrapperRight ? `calc(${previousAppBgWrapperRight} + ${scrollBarGap}px)` : `${scrollBarGap}px`
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}
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document.body.classList.add('scroll-locked')
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})
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}
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const enableBodyScroll = (el) => {
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if (lockerEls.includes(el)) {
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lockerEls = lockerEls.filter(e => e !== el)
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}
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setTimeout(() => {
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if (previousNavPaddingRight !== undefined) {
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document.getElementById('nav').style.paddingRight = previousNavPaddingRight
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// Restore previousNavPaddingRight to undefined so disableBodyScroll knows it can be set again.
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previousNavPaddingRight = undefined
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if (!lockerEls.length) {
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if (previousNavPaddingRight !== undefined) {
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document.getElementById('nav').style.paddingRight = previousNavPaddingRight
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// Restore previousNavPaddingRight to undefined so disableBodyScroll knows it can be set again.
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previousNavPaddingRight = undefined
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}
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if (previousAppBgWrapperRight !== undefined) {
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document.getElementById('app_bg_wrapper').style.right = previousAppBgWrapperRight
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// Restore previousAppBgWrapperRight to undefined so disableBodyScroll knows it can be set again.
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previousAppBgWrapperRight = undefined
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}
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document.body.classList.remove('scroll-locked')
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}
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if (previousAppBgWrapperRight !== undefined) {
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document.getElementById('app_bg_wrapper').style.right = previousAppBgWrapperRight
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// Restore previousAppBgWrapperRight to undefined so disableBodyScroll knows it can be set again.
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previousAppBgWrapperRight = undefined
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}
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document.body.classList.remove('scroll-locked')
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})
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bodyScrollLock.enableBodyScroll(el)
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}
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