index.vue
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<template>
<uni-shadow-root class="vant-dist-sidebar-index"><view class="van-sidebar custom-class">
<slot></slot>
</view></uni-shadow-root>
</template>
<script>
global['__wxRoute'] = 'vant/dist/sidebar/index'
import { VantComponent } from '../common/component';
VantComponent({
relation: {
name: 'sidebar-item',
type: 'descendant',
current: 'sidebar',
linked() {
this.setActive(this.data.activeKey);
},
unlinked() {
this.setActive(this.data.activeKey);
},
},
props: {
activeKey: {
type: Number,
value: 0,
observer: 'setActive',
},
},
beforeCreate() {
this.currentActive = -1;
},
methods: {
setActive(activeKey) {
const { children, currentActive } = this;
if (!children.length) {
return Promise.resolve();
}
this.currentActive = activeKey;
const 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);
},
},
});
export default global['__wxComponents']['vant/dist/sidebar/index']
</script>
<style platform="mp-weixin">
@import '../common/index.css';.van-sidebar{width:80px;width:var(--sidebar-width,80px)}
</style>