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fix: 修正getScrollParent逻辑 (#141)

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* Create const.ts

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* docs:修改注释中错别字

* fix: 修正getScrollParent逻辑
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i33 2022-06-21 12:51:35 +08:00 committed by GitHub
parent b751621488
commit f72b8c7614
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1 changed files with 6 additions and 4 deletions
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packages/stage/src/util.ts
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@ -118,15 +118,17 @@ export const getMode = (el: HTMLElement): Mode => {
export const getScrollParent = (element: HTMLElement, includeHidden = false): HTMLElement | null => { export const getScrollParent = (element: HTMLElement, includeHidden = false): HTMLElement | null => {
let style = getComputedStyle(element); let style = getComputedStyle(element);
const excludeStaticParent = style.position === 'absolute';
const overflowRegex = includeHidden ? /(auto|scroll|hidden)/ : /(auto|scroll)/; const overflowRegex = includeHidden ? /(auto|scroll|hidden)/ : /(auto|scroll)/;
if (isFixed(element)) return null; if (style.position === 'fixed') return null;
for (let parent = element; parent.parentElement; ) { for (let parent = element; parent.parentElement; ) {
parent = parent.parentElement; parent = parent.parentElement;
style = getComputedStyle(parent); style = getComputedStyle(parent);
if (isAbsolute(element) && isStatic(element)) {
continue; if (excludeStaticParent && style.position === 'static') continue;
}
if (overflowRegex.test(style.overflow + style.overflowY + style.overflowX)) return parent; if (overflowRegex.test(style.overflow + style.overflowY + style.overflowX)) return parent;
} }