智慧宿舍系统小程序

wechat/miniprogram/node_modules/@vant/weapp/dist/tabbar/index.js

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+import { VantComponent } from '../common/component';
+import { useChildren } from '../common/relation';
+import { getRect } from '../common/utils';
+VantComponent({
+  relation: 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() {
+      const { children } = this;
+      if (!Array.isArray(children) || !children.length) {
+        return;
+      }
+      children.forEach((child) => child.updateFromParent());
+    },
+    setHeight() {
+      if (!this.data.fixed || !this.data.placeholder) {
+        return;
+      }
+      wx.nextTick(() => {
+        getRect(this, '.van-tabbar').then((res) => {
+          this.setData({ height: res.height });
+        });
+      });
+    },
+  },
+});