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fix: popup doesn't reposition when scrolling in Firefox (#427)

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This commit is contained in:
mengxiong10
2020-03-02 13:55:23 +08:00
parent be26d2a046
commit 2d50e75ea8
1 changed files with 10 additions and 5 deletions
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src/util/dom.js
+10 -5
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@@ -53,13 +53,18 @@ export function getRelativePosition(el, targetWidth, targetHeight, fixed) {
return { left: `${left}px`, top: `${top}px` }; return { left: `${left}px`, top: `${top}px` };
} }
export function getScrollParent(node, until = document) { export function getScrollParent(node, until = document.body) {
if (!node || node === until) { if (!node || node === until) {
return null; return null;
} }
if (node.scrollHeight > node.clientHeight) { const style = (value, prop) => getComputedStyle(value, null).getPropertyValue(prop);
return node;
} const regex = /(auto|scroll)/;
return getScrollParent(node.parentNode, until);
const scroll = regex.test(
style(node, 'overflow') + style(node, 'overflow-y') + style(node, 'overflow-x')
);
return scroll ? node : getScrollParent(node.parentNode, until);
} }