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fix(Tab): fix prop active not work in init (#2395)

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fix #2390
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rex 2019-11-26 21:33:21 +08:00 committed by GitHub
parent 0d95eae0ed
commit ef1e747869
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2 changed files with 5 additions and 3 deletions
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2
example/pages/tab/index.wxml
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@ -13,7 +13,7 @@
</demo-block> </demo-block>
<demo-block title="通过名称匹配"> <demo-block title="通过名称匹配">
<van-tabs active="a"> <van-tabs active="b">
<van-tab <van-tab
wx:for="{{ tabsWithName }}" wx:for="{{ tabsWithName }}"
wx:key="index" wx:key="index"

6
packages/tabs/index.ts
View File

@ -173,8 +173,10 @@ VantComponent({
const matched = children.filter( const matched = children.filter(
(child: TrivialInstance) => child.getComputedName() === name (child: TrivialInstance) => child.getComputedName() === name
); );
const defaultIndex = (children[0] || {}).index || 0;
this.setCurrentIndex(matched.length ? matched[0].index : defaultIndex); if (matched.length) {
this.setCurrentIndex(matched[0].index);
}
}, },
setCurrentIndex(currentIndex) { setCurrentIndex(currentIndex) {