import { VantComponent } from '../common/component'; import { useParent } from '../common/relation'; VantComponent({ classes: ['active-class', 'disabled-class'], relation: useParent('sidebar'), props: { dot: Boolean, badge: null, info: null, title: String, disabled: Boolean, }, methods: { onClick() { const { parent } = this; if (!parent || this.data.disabled) { return; } const index = parent.children.indexOf(this); parent.setActive(index).then(() => { this.$emit('click', index); parent.$emit('change', index); }); }, setActive(selected) { return this.setData({ selected }); }, }, });