riku
2026-04-02 3282e95db0207ee133d1e98d9771dec9d83b0fc4
miniprogram_npm/tdesign-miniprogram/sticky/sticky.js
@@ -1,116 +1 @@
var __decorate = (this && this.__decorate) || function (decorators, target, key, desc) {
    var c = arguments.length, r = c < 3 ? target : desc === null ? desc = Object.getOwnPropertyDescriptor(target, key) : desc, d;
    if (typeof Reflect === "object" && typeof Reflect.decorate === "function") r = Reflect.decorate(decorators, target, key, desc);
    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;
    return c > 3 && r && Object.defineProperty(target, key, r), r;
};
import { SuperComponent, wxComponent } from '../common/src/index';
import props from './props';
import config from '../common/config';
import pageScrollMixin from '../mixins/page-scroll';
import { getRect } from '../common/utils';
const { prefix } = config;
const name = `${prefix}-sticky`;
const ContainerClass = `.${name}`;
let Sticky = class Sticky extends SuperComponent {
    constructor() {
        super(...arguments);
        this.externalClasses = [`${prefix}-class`, `${prefix}-class-content`];
        this.properties = props;
        this.behaviors = [pageScrollMixin()];
        this.observers = {
            'offsetTop, disabled, container'() {
                this.onScroll();
            },
        };
        this.data = {
            prefix,
            classPrefix: name,
            containerStyle: '',
            contentStyle: '',
        };
        this.methods = {
            onScroll(event) {
                const { scrollTop } = event || {};
                const { container, offsetTop, disabled } = this.properties;
                if (disabled) {
                    this.setDataAfterDiff({
                        isFixed: false,
                        transform: 0,
                    });
                    return;
                }
                this.scrollTop = scrollTop || this.scrollTop;
                if (typeof container === 'function') {
                    Promise.all([getRect(this, ContainerClass), this.getContainerRect()]).then(([root, container]) => {
                        if (!root || !container)
                            return;
                        if (offsetTop + root.height > container.height + container.top) {
                            this.setDataAfterDiff({
                                isFixed: false,
                                transform: container.height - root.height,
                            });
                        }
                        else if (offsetTop >= root.top) {
                            this.setDataAfterDiff({
                                isFixed: true,
                                height: root.height,
                                transform: 0,
                            });
                        }
                        else {
                            this.setDataAfterDiff({ isFixed: false, transform: 0 });
                        }
                    });
                    return;
                }
                getRect(this, ContainerClass).then((root) => {
                    if (!root)
                        return;
                    if (offsetTop >= root.top) {
                        this.setDataAfterDiff({ isFixed: true, height: root.height });
                        this.transform = 0;
                    }
                    else {
                        this.setDataAfterDiff({ isFixed: false });
                    }
                });
            },
            setDataAfterDiff(data) {
                const { offsetTop } = this.properties;
                const { containerStyle: prevContainerStyle, contentStyle: prevContentStyle } = this.data;
                const { isFixed, height, transform } = data;
                wx.nextTick(() => {
                    let containerStyle = '';
                    let contentStyle = '';
                    if (isFixed) {
                        containerStyle += `height:${height}px;`;
                        contentStyle += `position:fixed;top:${offsetTop}px;left:0;right:0;`;
                    }
                    if (transform) {
                        const translate = `translate3d(0, ${transform}px, 0)`;
                        contentStyle += `-webkit-transform:${translate};transform:${translate};`;
                    }
                    if (prevContainerStyle !== containerStyle || prevContentStyle !== contentStyle) {
                        this.setData({ containerStyle, contentStyle });
                    }
                    this.triggerEvent('scroll', {
                        scrollTop: this.scrollTop,
                        isFixed,
                    });
                });
            },
            getContainerRect() {
                const nodesRef = this.properties.container();
                return new Promise((resolve) => nodesRef.boundingClientRect(resolve).exec());
            },
        };
    }
    ready() {
        this.onScroll();
    }
};
Sticky = __decorate([
    wxComponent()
], Sticky);
export default Sticky;
import{__decorate}from"tslib";import{SuperComponent,wxComponent}from"../common/src/index";import props from"./props";import config from"../common/config";import pageScrollMixin from"../mixins/page-scroll";import{getRect}from"../common/utils";const{prefix:prefix}=config,name=`${prefix}-sticky`,ContainerClass=`.${name}`;let Sticky=class extends SuperComponent{constructor(){super(...arguments),this.externalClasses=[`${prefix}-class`,`${prefix}-class-content`],this.properties=props,this.behaviors=[pageScrollMixin()],this.observers={"offsetTop, disabled, container"(){this.onScroll()}},this.data={prefix:prefix,classPrefix:name,containerStyle:"",contentStyle:""},this.methods={onScroll(t){const{scrollTop:e}=t||{},{container:i,offsetTop:o,disabled:s}=this.properties;s?this.setDataAfterDiff({isFixed:!1,transform:0}):(this.scrollTop=e||this.scrollTop,"function"!=typeof i?getRect(this,ContainerClass).then(t=>{t&&(o>=t.top?(this.setDataAfterDiff({isFixed:!0,height:t.height}),this.transform=0):this.setDataAfterDiff({isFixed:!1}))}):Promise.all([getRect(this,ContainerClass),this.getContainerRect()]).then(([t,e])=>{t&&e&&(o+t.height>e.height+e.top?this.setDataAfterDiff({isFixed:!1,transform:e.height-t.height}):o>=t.top?this.setDataAfterDiff({isFixed:!0,height:t.height,transform:0}):this.setDataAfterDiff({isFixed:!1,transform:0}))}))},setDataAfterDiff(t){const{offsetTop:e}=this.properties,{containerStyle:i,contentStyle:o}=this.data,{isFixed:s,height:r,transform:n}=t;wx.nextTick(()=>{let t="",a="";if(s&&(t+=`height:${r}px;`,a+=`position:fixed;top:${e}px;left:0;right:0;`),n){const t=`translate3d(0, ${n}px, 0)`;a+=`-webkit-transform:${t};transform:${t};`}i===t&&o===a||this.setData({containerStyle:t,contentStyle:a}),this.triggerEvent("scroll",{scrollTop:this.scrollTop,isFixed:s})})},getContainerRect(){const t=this.properties.container();return new Promise(e=>t.boundingClientRect(e).exec())}}}ready(){this.onScroll()}};Sticky=__decorate([wxComponent()],Sticky);export default Sticky;