51 lines
1.3 KiB
JavaScript
51 lines
1.3 KiB
JavaScript
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import { VantComponent } from '../common/component';
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VantComponent({
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relation: {
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name: 'collapse-item',
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type: 'descendant',
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linked(child) {
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this.children.push(child);
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},
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unlinked(child) {
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this.children = this.children.filter((item) => item !== child);
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}
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},
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props: {
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value: {
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type: null,
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observer: 'updateExpanded'
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},
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accordion: {
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type: Boolean,
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observer: 'updateExpanded'
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},
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border: {
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type: Boolean,
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value: true
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}
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},
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beforeCreate() {
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this.children = [];
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},
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methods: {
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updateExpanded() {
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this.children.forEach((child) => {
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child.updateExpanded();
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});
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},
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switch(name, expanded) {
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const { accordion, value } = this.data;
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if (!accordion) {
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name = expanded
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? (value || []).concat(name)
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: (value || []).filter((activeName) => activeName !== name);
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}
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else {
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name = expanded ? name : '';
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}
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this.$emit('change', name);
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this.$emit('input', name);
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}
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}
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});
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