index.js
1.1 KB
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
'use strict';
Object.defineProperty(exports, '__esModule', { value: true });
var component_1 = require('../common/component');
component_1.VantComponent({
relation: {
name: 'sidebar-item',
type: 'descendant',
current: 'sidebar',
linked: function () {
this.setActive(this.data.activeKey);
},
unlinked: function () {
this.setActive(this.data.activeKey);
},
},
props: {
activeKey: {
type: Number,
value: 0,
observer: 'setActive',
},
},
beforeCreate: function () {
this.currentActive = -1;
},
methods: {
setActive: function (activeKey) {
var _a = this,
children = _a.children,
currentActive = _a.currentActive;
if (!children.length) {
return Promise.resolve();
}
this.currentActive = activeKey;
var stack = [];
if (currentActive !== activeKey && children[currentActive]) {
stack.push(children[currentActive].setActive(false));
}
if (children[activeKey]) {
stack.push(children[activeKey].setActive(true));
}
return Promise.all(stack);
},
},
});