"use strict";
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var _interopRequireDefault = require("@babel/runtime/helpers/interopRequireDefault");
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exports.__esModule = true;
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exports.default = void 0;
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var _extends2 = _interopRequireDefault(require("@babel/runtime/helpers/extends"));
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var _utils = require("../utils");
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var _raf = require("../utils/dom/raf");
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var _relation = require("../mixins/relation");
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var _cell = _interopRequireDefault(require("../cell"));
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var _shared = require("../cell/shared");
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// Utils
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// Mixins
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// Components
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var _createNamespace = (0, _utils.createNamespace)('collapse-item'),
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createComponent = _createNamespace[0],
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bem = _createNamespace[1];
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var CELL_SLOTS = ['title', 'icon', 'right-icon'];
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var _default = createComponent({
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mixins: [(0, _relation.ChildrenMixin)('vanCollapse')],
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props: (0, _extends2.default)({}, _shared.cellProps, {
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name: [Number, String],
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disabled: Boolean,
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lazyRender: {
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type: Boolean,
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default: true
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},
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isLink: {
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type: Boolean,
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default: true
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}
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}),
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data: function data() {
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return {
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show: null,
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inited: null
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};
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},
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computed: {
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currentName: function currentName() {
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var _this$name;
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return (_this$name = this.name) != null ? _this$name : this.index;
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},
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expanded: function expanded() {
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var _this = this;
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if (!this.parent) {
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return null;
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}
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var _this$parent = this.parent,
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value = _this$parent.value,
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accordion = _this$parent.accordion;
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if (process.env.NODE_ENV === 'development' && !accordion && !Array.isArray(value)) {
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console.error('[Vant] Collapse: type of prop "value" should be Array');
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return;
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}
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return accordion ? value === this.currentName : value.some(function (name) {
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return name === _this.currentName;
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});
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}
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},
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created: function created() {
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this.show = this.expanded;
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this.inited = this.expanded;
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},
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watch: {
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expanded: function expanded(_expanded, prev) {
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var _this2 = this;
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if (prev === null) {
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return;
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}
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if (_expanded) {
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this.show = true;
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this.inited = true;
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} // Use raf: flick when opened in safari
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// Use nextTick: closing animation failed when set `user-select: none`
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var nextTick = _expanded ? this.$nextTick : _raf.raf;
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nextTick(function () {
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var _this2$$refs = _this2.$refs,
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content = _this2$$refs.content,
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wrapper = _this2$$refs.wrapper;
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if (!content || !wrapper) {
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return;
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}
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var offsetHeight = content.offsetHeight;
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if (offsetHeight) {
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var contentHeight = offsetHeight + "px";
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wrapper.style.height = _expanded ? 0 : contentHeight; // use double raf to ensure animation can start
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(0, _raf.doubleRaf)(function () {
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wrapper.style.height = _expanded ? contentHeight : 0;
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});
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} else {
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_this2.onTransitionEnd();
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}
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});
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}
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},
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methods: {
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onClick: function onClick() {
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if (!this.disabled) {
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this.toggle();
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}
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},
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// @exposed-api
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toggle: function toggle(expanded) {
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if (expanded === void 0) {
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expanded = !this.expanded;
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}
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var parent = this.parent,
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currentName = this.currentName;
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var close = parent.accordion && currentName === parent.value;
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var name = close ? '' : currentName;
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this.parent.switch(name, expanded);
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},
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onTransitionEnd: function onTransitionEnd() {
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if (!this.expanded) {
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this.show = false;
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} else {
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this.$refs.wrapper.style.height = '';
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}
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},
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genTitle: function genTitle() {
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var _this3 = this;
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var h = this.$createElement;
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var border = this.border,
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disabled = this.disabled,
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expanded = this.expanded;
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var titleSlots = CELL_SLOTS.reduce(function (slots, name) {
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if (_this3.slots(name)) {
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slots[name] = function () {
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return _this3.slots(name);
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};
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}
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return slots;
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}, {});
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if (this.slots('value')) {
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titleSlots.default = function () {
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return _this3.slots('value');
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};
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}
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return h(_cell.default, {
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"attrs": {
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"role": "button",
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"tabindex": disabled ? -1 : 0,
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"aria-expanded": String(expanded)
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},
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"class": bem('title', {
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disabled: disabled,
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expanded: expanded,
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borderless: !border
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}),
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"on": {
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"click": this.onClick
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},
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"scopedSlots": titleSlots,
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"props": (0, _extends2.default)({}, this.$props)
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});
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},
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genContent: function genContent() {
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var h = this.$createElement;
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if (this.inited || !this.lazyRender) {
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return h("div", {
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"directives": [{
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name: "show",
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value: this.show
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}],
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"ref": "wrapper",
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"class": bem('wrapper'),
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"on": {
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"transitionend": this.onTransitionEnd
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}
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}, [h("div", {
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"ref": "content",
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"class": bem('content')
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}, [this.slots()])]);
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}
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}
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},
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render: function render() {
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var h = arguments[0];
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return h("div", {
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"class": [bem({
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border: this.index && this.border
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})]
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}, [this.genTitle(), this.genContent()]);
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}
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});
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exports.default = _default;
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