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fix(tabs): tabRect could be undefined #5767

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fix(tabs): tabRect could be undefined #5767

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10 changes: 6 additions & 4 deletions packages/tabs/index.ts
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Original file line number Diff line number Diff line change
Expand Up @@ -276,13 +276,15 @@ VantComponent({
getRect(this, '.van-tabs__nav'),
]).then(([tabRects, navRect]) => {
const tabRect = tabRects[currentIndex];
const offsetLeft = tabRects
if (tabRect) {
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什么情况下 tabRect 不存在？

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@landluck 小程序错误统计里有的

const offsetLeft = tabRects
.slice(0, currentIndex)
.reduce((prev, curr) => prev + curr.width, 0);

this.setData({
scrollLeft: offsetLeft - (navRect.width - tabRect.width) / 2,
});
this.setData({
scrollLeft: offsetLeft - (navRect.width - tabRect.width) / 2,
});
}

if (!scrollWithAnimation) {
nextTick(() => {
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