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
52
53
54
55
56
57
58
59
60
61
| import { VantComponent } from '../common/component';
| VantComponent({
| relation: {
| name: 'tabbar-item',
| type: 'descendant',
| current: 'tabbar',
| linked(target) {
| target.parent = this;
| target.updateFromParent();
| },
| unlinked() {
| this.updateChildren();
| },
| },
| props: {
| active: {
| type: null,
| observer: 'updateChildren',
| },
| activeColor: {
| type: String,
| observer: 'updateChildren',
| },
| inactiveColor: {
| type: String,
| observer: 'updateChildren',
| },
| fixed: {
| type: Boolean,
| value: true,
| },
| border: {
| type: Boolean,
| value: true,
| },
| zIndex: {
| type: Number,
| value: 1,
| },
| safeAreaInsetBottom: {
| type: Boolean,
| value: true,
| },
| },
| methods: {
| updateChildren() {
| const { children } = this;
| if (!Array.isArray(children) || !children.length) {
| return Promise.resolve();
| }
| return Promise.all(children.map((child) => child.updateFromParent()));
| },
| onChange(child) {
| const index = this.children.indexOf(child);
| const active = child.data.name || index;
| if (active !== this.data.active) {
| this.$emit('change', active);
| }
| },
| },
| });
|
|
