<template>
    <view :class="utils.bem('tabbar-item', { active }) + ' custom-class'" :style="'color: ' + (active ? activeColor : inactiveColor)" @tap="onClick">
        <view class="van-tabbar-item__icon">
            <van-icon v-if="icon" :name="icon" :class-prefix="iconPrefix" custom-class="van-tabbar-item__icon__inner" />
            <block v-else>
                <slot v-if="active" name="icon-active" />
                <slot v-else name="icon" />
            </block>
            <van-info :dot="dot" :info="info" custom-class="van-tabbar-item__info" />
        </view>
        <view class="van-tabbar-item__text">
            <slot />
        </view>
    </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');
var relation_1 = require('../common/relation');
export default {
    data() {
        return {
            active: false,
            activeColor: '',
            inactiveColor: ''
        };
    },
    props: {
        info: null,
        name: null,
        icon: String,
        dot: Boolean,
        url: {
            type: String,
            default: ''
        },
        linkType: {
            type: String,
            default: 'redirectTo'
        },
        iconPrefix: {
            type: String,
            default: 'van-icon'
        }
    },
    relation: (0, relation_1.useParent)('tabbar'),
    methods: {
        onClick: function () {
            var parent = this.parent;
            if (parent) {
                var index = parent.children.indexOf(this);
                var active = this.name || index;
                if (active !== this.active) {
                    parent.$emit('change', active);
                }
            }
            var _a = this;
            var url = _a.url;
            var linkType = _a.linkType;
            if (url && uni[linkType]) {
                return uni[linkType]({
                    url: url
                });
            }
            this.$emit('click');
        },
        updateFromParent: function () {
            var parent = this.parent;
            if (!parent) {
                return;
            }
            var index = parent.children.indexOf(this);
            var parentData = parent.data;
            var data = this;
            var active = (data.name || index) === parentData.active;
            var patch = {};
            if (active !== data.active) {
                patch.active = active;
            }
            if (parentData.activeColor !== data.activeColor) {
                patch.activeColor = parentData.activeColor;
            }
            if (parentData.inactiveColor !== data.inactiveColor) {
                patch.inactiveColor = parentData.inactiveColor;
            }
            if (Object.keys(patch).length > 0) {
                this.setData(patch);
            }
        }
    }
};
</script>
<style>
@import '../common/index.css';
:host {
    flex: 1;
}
.van-tabbar-item {
    align-items: center;
    color: var(--tabbar-item-text-color, #646566);
    display: flex;
    flex-direction: column;
    font-size: var(--tabbar-item-font-size, 12px);
    height: 100%;
    justify-content: center;
    line-height: var(--tabbar-item-line-height, 1);
}
.van-tabbar-item__icon {
    font-size: var(--tabbar-item-icon-size, 22px);
    margin-bottom: var(--tabbar-item-margin-bottom, 4px);
    position: relative;
}
.van-tabbar-item__icon__inner {
    display: block;
    min-width: 1em;
}
.van-tabbar-item--active {
    color: var(--tabbar-item-active-color, #1989fa);
}
.van-tabbar-item__info {
    margin-top: 2px;
}
</style>
