zx_bms_uni/miniprogram_npm/@vant/weapp/tabbar/index.vue

<template>
    <view
        :class="'custom-class ' + (border ? 'van-hairline--top-bottom' : '') + ' ' + utils.bem('tabbar', { fixed, safe: safeAreaInsetBottom })"
        :style="zIndex ? 'z-index: ' + zIndex : ''"
    >
        <slot />
    </view>
</template>
<script module="utils" lang="wxs" src="@/miniprogram_npm/@vant/weapp/wxs/utils.wxs"></script>
<script>
'use strict';
Object.defineProperty(exports, '__esModule', {
    value: true
});
var component_1 = require('../common/component');
component_1.VantComponent({
    relation: {
        name: 'tabbar-item',
        type: 'descendant',
        current: 'tabbar',
        linked: function (target) {
            target.parent = this;
            target.updateFromParent();
        },
        unlinked: function () {
            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: function () {
            var children = this.children;
            if (!Array.isArray(children) || !children.length) {
                return Promise.resolve();
            }
            return Promise.all(
                children.map(function (child) {
                    return child.updateFromParent();
                })
            );
        },
        onChange: function (child) {
            var index = this.children.indexOf(child);
            var active = child.data.name || index;
            if (active !== this.active) {
                this.$emit('change', active);
            }
        }
    }
});
</script>
<style>
@import './index.css';
</style>