14 lines
455 B
JavaScript
14 lines
455 B
JavaScript
export function getScrollParent(node) {
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const isElement = node instanceof HTMLElement;
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const overflowY = isElement && window.getComputedStyle(node).overflowY;
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const isScrollable = overflowY !== "visible" && overflowY !== "hidden";
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if (!node || node === document.documentElement) {
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return null;
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} else if (isScrollable && node.scrollHeight >= node.clientHeight) {
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return node;
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}
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return getScrollParent(node.parentNode) || window;
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}
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