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fix(Tabs): can not render line when wrapper is fixed (#5496)

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neverland 2020-01-07 17:03:21 +08:00 committed by GitHub
parent 31c94472b1
commit c89d5ee096
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1 changed files with 9 additions and 3 deletions
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12
src/utils/dom/style.ts
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@ -1,5 +1,11 @@
export function isHidden(element: HTMLElement) {
return (
window.getComputedStyle(element).display === 'none' || element.offsetParent === null
);
const style = window.getComputedStyle(element);
const isHidden = style.display === 'none';
// offsetParent returns null in the following situations:
// 1. The element or its parent element has the display property set to none.
// 2. The element has the position property set to fixed
const isParentHidden = element.offsetParent === null && style.position !== 'fixed';
return isHidden || isParentHidden;
}