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metu.life/app/javascript/themes/glitch/util/get_rect_from_entry.js

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// Get the bounding client rect from an IntersectionObserver entry.
// This is to work around a bug in Chrome: https://crbug.com/737228
let hasBoundingRectBug;
function getRectFromEntry(entry) {
if (typeof hasBoundingRectBug !== 'boolean') {
const boundingRect = entry.target.getBoundingClientRect();
const observerRect = entry.boundingClientRect;
hasBoundingRectBug = boundingRect.height !== observerRect.height ||
boundingRect.top !== observerRect.top ||
boundingRect.width !== observerRect.width ||
boundingRect.bottom !== observerRect.bottom ||
boundingRect.left !== observerRect.left ||
boundingRect.right !== observerRect.right;
}
return hasBoundingRectBug ? entry.target.getBoundingClientRect() : entry.boundingClientRect;
}
export default getRectFromEntry;