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feat(@vant/use): useParent always return index (#8120)

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neverland 2021-02-10 11:03:36 +08:00 committed by GitHub
parent faab7c03f0
commit 4ba646f2b6
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1 changed files with 16 additions and 15 deletions
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31
packages/vant-use/src/useRelation/useParent.ts
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@ -1,4 +1,5 @@
import {
ref,
inject,
computed,
onUnmounted,
@ -18,25 +19,25 @@ export function useParent<T>(key: string | symbol) {
const parent = inject<ParentProvide<T> | null>(key, null);
if (parent) {
const instance = getCurrentInstance();
const instance = getCurrentInstance()!;
const { link, unlink, internalChildren, ...rest } = parent;
if (instance) {
const { link, unlink, internalChildren, ...rest } = parent;
link(instance);
link(instance);
onUnmounted(() => {
unlink(instance);
});
onUnmounted(() => {
unlink(instance);
});
const index = computed(() => internalChildren.indexOf(instance));
const index = computed(() => internalChildren.indexOf(instance));
return {
parent: rest,
index,
};
}
return {
parent: rest,
index,
};
}
return {};
return {
parent: null,
index: ref(-1),
};
}