74 lines
2.5 KiB
JavaScript
74 lines
2.5 KiB
JavaScript
var __decorate = (this && this.__decorate) || function (decorators, target, key, desc) {
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var c = arguments.length, r = c < 3 ? target : desc === null ? desc = Object.getOwnPropertyDescriptor(target, key) : desc, d;
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if (typeof Reflect === "object" && typeof Reflect.decorate === "function") r = Reflect.decorate(decorators, target, key, desc);
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else for (var i = decorators.length - 1; i >= 0; i--) if (d = decorators[i]) r = (c < 3 ? d(r) : c > 3 ? d(target, key, r) : d(target, key)) || r;
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return c > 3 && r && Object.defineProperty(target, key, r), r;
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};
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import { SuperComponent, wxComponent } from '../common/src/index';
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import config from '../common/config';
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import props from './props';
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import { calcIcon } from '../common/utils';
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const { prefix } = config;
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const name = `${prefix}-back-top`;
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let BackTop = class BackTop extends SuperComponent {
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constructor() {
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super(...arguments);
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this.externalClasses = [`${prefix}-class`, `${prefix}-class-icon`, `${prefix}-class-text`];
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this.options = {
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multipleSlots: true,
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};
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this.properties = props;
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this.relations = {
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'../pull-down-refresh/pull-down-refresh': {
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type: 'ancestor',
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},
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};
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this.data = {
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prefix,
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classPrefix: name,
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_icon: null,
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hidden: true,
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};
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this.observers = {
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icon() {
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this.setIcon();
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},
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scrollTop(value) {
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const { visibilityHeight } = this.properties;
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this.setData({ hidden: value < visibilityHeight });
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},
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};
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this.lifetimes = {
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ready() {
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const { icon } = this.properties;
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this.setIcon(icon);
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},
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};
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this.methods = {
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setIcon(v) {
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this.setData({
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_icon: calcIcon(v, 'backtop'),
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});
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},
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toTop() {
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var _a;
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this.triggerEvent('to-top');
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if (this.$parent) {
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(_a = this.$parent) === null || _a === void 0 ? void 0 : _a.setScrollTop(0);
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this.setData({ hidden: true });
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}
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else {
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wx.pageScrollTo({
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scrollTop: 0,
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duration: 300,
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});
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}
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},
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};
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}
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};
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BackTop = __decorate([
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wxComponent()
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], BackTop);
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export default BackTop;
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