删除无用文件夹

wechat/miniprogram_npm/@vant/weapp/tabbar/index.js

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+'use strict';
+Object.defineProperty(exports, '__esModule', { value: true });
+var component_1 = require('../common/component');
+var relation_1 = require('../common/relation');
+var utils_1 = require('../common/utils');
+component_1.VantComponent({
+  relation: relation_1.useChildren('tabbar-item', function () {
+    this.updateChildren();
+  }),
+  props: {
+    active: {
+      type: null,
+      observer: 'updateChildren',
+    },
+    activeColor: {
+      type: String,
+      observer: 'updateChildren',
+    },
+    inactiveColor: {
+      type: String,
+      observer: 'updateChildren',
+    },
+    fixed: {
+      type: Boolean,
+      value: true,
+      observer: 'setHeight',
+    },
+    placeholder: {
+      type: Boolean,
+      observer: 'setHeight',
+    },
+    border: {
+      type: Boolean,
+      value: true,
+    },
+    zIndex: {
+      type: Number,
+      value: 1,
+    },
+    safeAreaInsetBottom: {
+      type: Boolean,
+      value: true,
+    },
+  },
+  data: {
+    height: 50,
+  },
+  methods: {
+    updateChildren: function () {
+      var children = this.children;
+      if (!Array.isArray(children) || !children.length) {
+        return;
+      }
+      children.forEach(function (child) {
+        return child.updateFromParent();
+      });
+    },
+    setHeight: function () {
+      var _this = this;
+      if (!this.data.fixed || !this.data.placeholder) {
+        return;
+      }
+      wx.nextTick(function () {
+        utils_1.getRect(_this, '.van-tabbar').then(function (res) {
+          _this.setData({ height: res.height });
+        });
+      });
+    },
+  },
+});

wechat/miniprogram_npm/@vant/weapp/tabbar/index.json

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+{
+  "component": true
+}

wechat/miniprogram_npm/@vant/weapp/tabbar/index.wxml

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+<wxs src="../wxs/utils.wxs" module="utils" />
+
+<view
+  class="{{ border ? 'van-hairline--top-bottom' : '' }} {{ utils.bem('tabbar', { fixed, safe: safeAreaInsetBottom }) }} custom-class"
+  style="{{ zIndex ? 'z-index: ' + zIndex : '' }}"
+>
+  <slot />
+</view>
+
+<view wx:if="{{ fixed && placeholder }}" style="height: {{ height }}px;"></view>

wechat/miniprogram_npm/@vant/weapp/tabbar/index.wxss

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+@import '../common/index.wxss';.van-tabbar{display:flex;box-sizing:initial;width:100%;height:50px;height:var(--tabbar-height,50px);background-color:#fff;background-color:var(--tabbar-background-color,#fff)}.van-tabbar--fixed{position:fixed;bottom:0;left:0}.van-tabbar--safe{padding-bottom:env(safe-area-inset-bottom)}