提交初始版本，使用vant ui库

miniprogram_npm/@vant/weapp/sidebar-item/index.js

@@ -0,0 +1,32 @@
+"use strict";
+Object.defineProperty(exports, "__esModule", { value: true });
+var component_1 = require("../common/component");
+var relation_1 = require("../common/relation");
+(0, component_1.VantComponent)({
+    classes: ['active-class', 'disabled-class'],
+    relation: (0, relation_1.useParent)('sidebar'),
+    props: {
+        dot: Boolean,
+        badge: null,
+        info: null,
+        title: String,
+        disabled: Boolean,
+    },
+    methods: {
+        onClick: function () {
+            var _this = this;
+            var parent = this.parent;
+            if (!parent || this.data.disabled) {
+                return;
+            }
+            var index = parent.children.indexOf(this);
+            parent.setActive(index).then(function () {
+                _this.$emit('click', index);
+                parent.$emit('change', index);
+            });
+        },
+        setActive: function (selected) {
+            return this.setData({ selected: selected });
+        },
+    },
+});