react-code-dataset / next.js /packages /next /src /next-devtools /dev-overlay /components /overlay /body-locker.ts
| let previousBodyPaddingRight: string | undefined | |
| let previousBodyOverflowSetting: string | undefined | |
| let activeLocks = 0 | |
| export function lock() { | |
| setTimeout(() => { | |
| if (activeLocks++ > 0) { | |
| return | |
| } | |
| const scrollBarGap = | |
| window.innerWidth - document.documentElement.clientWidth | |
| if (scrollBarGap > 0) { | |
| previousBodyPaddingRight = document.body.style.paddingRight | |
| document.body.style.paddingRight = `${scrollBarGap}px` | |
| } | |
| previousBodyOverflowSetting = document.body.style.overflow | |
| document.body.style.overflow = 'hidden' | |
| }) | |
| } | |
| export function unlock() { | |
| setTimeout(() => { | |
| if (activeLocks === 0 || --activeLocks !== 0) { | |
| return | |
| } | |
| if (previousBodyPaddingRight !== undefined) { | |
| document.body.style.paddingRight = previousBodyPaddingRight | |
| previousBodyPaddingRight = undefined | |
| } | |
| if (previousBodyOverflowSetting !== undefined) { | |
| document.body.style.overflow = previousBodyOverflowSetting | |
| previousBodyOverflowSetting = undefined | |
| } | |
| }) | |
| } | |