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import { handleLocationHash } from '~/lib/utils/common_utils';
export default {
inject: ['vscrollParent'],
model: {
prop: 'index',
},
props: {
index: {
type: Number,
required: true,
},
},
watch: {
index: {
handler() {
const { index } = this;
if (index < 0) return;
if (this.vscrollParent.itemsWithSize[index].size) {
this.scrollToIndex(index);
} else {
this.$_itemsWithSizeWatcher = this.$watch('vscrollParent.itemsWithSize', async () => {
await this.$nextTick();
if (this.vscrollParent.itemsWithSize[index].size) {
this.$_itemsWithSizeWatcher();
this.scrollToIndex(index);
await this.$nextTick();
}
});
}
},
immediate: true,
},
},
beforeDestroy() {
if (this.$_itemsWithSizeWatcher) this.$_itemsWithSizeWatcher();
},
methods: {
scrollToIndex(index) {
this.vscrollParent.scrollToItem(index);
this.$emit('update', -1);
setTimeout(() => {
handleLocationHash();
});
},
},
render(h) {
return h(null);
},
};
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