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Fix issue in IOS 15 Safari that bottom blank bar will show up #242

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Fix issue in IOS 15 Safari that bottom blank bar will show up #242

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5 changes: 4 additions & 1 deletion src/bodyScrollLock.js
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Original file line number Diff line number Diff line change
Expand Up @@ -113,14 +113,16 @@ const setPositionFixed = () => window.requestAnimationFrame(() => {
previousBodyPosition = {
position: document.body.style.position,
top: document.body.style.top,
left: document.body.style.left
left: document.body.style.left,
height: document.documentElement.style.height
};

// Update the dom inside an animation frame
const { scrollY, scrollX, innerHeight } = window;
document.body.style.position = 'fixed';
document.body.style.top = `${-scrollY}px`;
document.body.style.left = `${-scrollX}px`;
document.documentElement.style.height = '100vh';

setTimeout(() => window.requestAnimationFrame(() => {
// Attempt to check if the bottom bar appeared due to the position change
Expand All @@ -143,6 +145,7 @@ const restorePositionSetting = () => {
document.body.style.position = previousBodyPosition.position;
document.body.style.top = previousBodyPosition.top;
document.body.style.left = previousBodyPosition.left;
document.documentElement.style.height = previousBodyPosition.height;

// Restore scroll
window.scrollTo(x, y);
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