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wechat_v2/miniprogram_npm/@vant/weapp/collapse/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');
+component_1.VantComponent({
+  relation: relation_1.useChildren('collapse-item'),
+  props: {
+    value: {
+      type: null,
+      observer: 'updateExpanded',
+    },
+    accordion: {
+      type: Boolean,
+      observer: 'updateExpanded',
+    },
+    border: {
+      type: Boolean,
+      value: true,
+    },
+  },
+  methods: {
+    updateExpanded: function () {
+      this.children.forEach(function (child) {
+        child.updateExpanded();
+      });
+    },
+    switch: function (name, expanded) {
+      var _a = this.data,
+        accordion = _a.accordion,
+        value = _a.value;
+      var changeItem = name;
+      if (!accordion) {
+        name = expanded
+          ? (value || []).concat(name)
+          : (value || []).filter(function (activeName) {
+              return activeName !== name;
+            });
+      } else {
+        name = expanded ? name : '';
+      }
+      if (expanded) {
+        this.$emit('open', changeItem);
+      } else {
+        this.$emit('close', changeItem);
+      }
+      this.$emit('change', name);
+      this.$emit('input', name);
+    },
+  },
+});