1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
|
import { handleLocationHash } from '~/lib/utils/common_utils';
export default {
inject: ['vscrollParent'],
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);
setTimeout(() => {
handleLocationHash();
});
},
},
render(h) {
return h(null);
},
};
|