index.js
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'use strict';
Object.defineProperty(exports, '__esModule', { value: true });
var component_1 = require('../common/component');
component_1.VantComponent({
classes: ['title-class', 'content-class'],
relation: {
name: 'collapse',
type: 'ancestor',
current: 'collapse-item',
},
props: {
name: null,
title: null,
value: null,
icon: String,
label: String,
disabled: Boolean,
clickable: Boolean,
border: {
type: Boolean,
value: true,
},
isLink: {
type: Boolean,
value: true,
},
},
data: {
expanded: false,
},
created: function () {
this.animation = wx.createAnimation({
duration: 0,
timingFunction: 'ease-in-out',
});
},
mounted: function () {
this.updateExpanded();
this.inited = true;
},
methods: {
updateExpanded: function () {
if (!this.parent) {
return Promise.resolve();
}
var _a = this.parent.data,
value = _a.value,
accordion = _a.accordion;
var _b = this.parent.children,
children = _b === void 0 ? [] : _b;
var name = this.data.name;
var index = children.indexOf(this);
var currentName = name == null ? index : name;
var expanded = accordion
? value === currentName
: (value || []).some(function (name) {
return name === currentName;
});
if (expanded !== this.data.expanded) {
this.updateStyle(expanded);
}
this.setData({ index: index, expanded: expanded });
},
updateStyle: function (expanded) {
var _this = this;
var inited = this.inited;
this.getRect('.van-collapse-item__content')
.then(function (rect) {
return rect.height;
})
.then(function (height) {
var animation = _this.animation;
if (expanded) {
if (height === 0) {
animation.height('auto').top(1).step();
} else {
animation
.height(height)
.top(1)
.step({
duration: inited ? 300 : 1,
})
.height('auto')
.step();
}
_this.setData({
animation: animation.export(),
});
return;
}
animation.height(height).top(0).step({ duration: 1 }).height(0).step({
duration: 300,
});
_this.setData({
animation: animation.export(),
});
});
},
onClick: function () {
if (this.data.disabled) {
return;
}
var _a = this.data,
name = _a.name,
expanded = _a.expanded;
var index = this.parent.children.indexOf(this);
var currentName = name == null ? index : name;
this.parent.switch(currentName, !expanded);
},
},
});