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fix(tabs): fixed the tab content cannot be loaded. #3920

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Merged
zzcr merged 1 commit into from
Dec 19, 2025
Merged

fix(tabs): fixed the tab content cannot be loaded. #3920

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28 changes: 24 additions & 4 deletions packages/renderless/src/tabs-mf/vue.ts
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Original file line number Diff line number Diff line change
Expand Up @@ -91,12 +91,32 @@ export const renderless = (props, hooks, { vm, emit, nextTick }) => {
(name) => name && api.setActive(name)
)

// 监听 cacheCurrentItem 变化，确保 currentItem 及时更新
watch(
() => state.cacheCurrentItem,
(newItem) => {
if (newItem && newItem !== state.currentItem) {
state.currentItem = newItem
}
},
{ immediate: true }
)

onMounted(() => {
// 在 vue2 类似 tabSwipe0 这些动态的 ref 只能在 nextTick 中拿到
nextTick(() => api.observeTabSwipeSize())
state.currentItem = state.cacheCurrentItem
props.activeName && api.scrollTo(props.activeName)
props.modelValue && api.scrollTo(props.modelValue)
nextTick(() => {
api.observeTabSwipeSize()
// 确保 currentItem 已设置，如果还没有则使用 cacheCurrentItem
if (!state.currentItem && state.cacheCurrentItem) {
state.currentItem = state.cacheCurrentItem
}
// 如果没有 activeName 或 modelValue，且没有选中的 item，则设置第一个 item 为选中
if (!props.activeName && !props.modelValue && state.items.length > 0 && !state.cacheCurrentItem) {
api.changeCurrentName(state.items[0].name)
}
props.activeName && api.scrollTo(props.activeName)
props.modelValue && api.scrollTo(props.modelValue)
})
})

onBeforeUnmount(() => {
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