2026.4.2 新增专题管理功能

riku

2026-04-02 3282e95db0207ee133d1e98d9771dec9d83b0fc4

 miniprogram_npm/tdesign-miniprogram/tabs/tabs.js

@@ -1,266 +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;
};
var __awaiter = (this && this.__awaiter) || function (thisArg, _arguments, P, generator) {
    function adopt(value) { return value instanceof P ? value : new P(function (resolve) { resolve(value); }); }
    return new (P || (P = Promise))(function (resolve, reject) {
        function fulfilled(value) { try { step(generator.next(value)); } catch (e) { reject(e); } }
        function rejected(value) { try { step(generator["throw"](value)); } catch (e) { reject(e); } }
        function step(result) { result.done ? resolve(result.value) : adopt(result.value).then(fulfilled, rejected); }
        step((generator = generator.apply(thisArg, _arguments || [])).next());
    });
};
import { SuperComponent, wxComponent } from '../common/src/index';
import props from './props';
import config from '../common/config';
import touch from '../mixins/touch';
import { getRect, uniqueFactory } from '../common/utils';
const { prefix } = config;
const name = `${prefix}-tabs`;
const getUniqueID = uniqueFactory('tabs');
let Tabs = class Tabs extends SuperComponent {
    constructor() {
        super(...arguments);
        this.behaviors = [touch];
        this.externalClasses = [
            `${prefix}-class`,
            `${prefix}-class-item`,
            `${prefix}-class-active`,
            `${prefix}-class-track`,
            `${prefix}-class-content`,
        ];
        this.relations = {
            '../tab-panel/tab-panel': {
                type: 'descendant',
                linked(target) {
                    this.children.push(target);
                    this.initChildId();
                    target.index = this.children.length - 1;
                    this.updateTabs();
                },
                unlinked(target) {
                    this.children = this.children.filter((item) => item.index !== target.index);
                    this.updateTabs(() => this.setTrack());
                    this.initChildId();
                },
            },
        };
        this.properties = props;
        this.controlledProps = [
            {
                key: 'value',
                event: 'change',
            },
        ];
        this.observers = {
            value(name) {
                if (name !== this.getCurrentName()) {
                    this.setCurrentIndexByName(name);
                }
            },
        };
        this.data = {
            prefix,
            classPrefix: name,
            tabs: [],
            currentIndex: -1,
            trackStyle: '',
            offset: 0,
            tabID: '',
            placement: 'top',
        };
        this.lifetimes = {
            created() {
                this.children = this.children || [];
            },
            attached() {
                wx.nextTick(() => {
                    this.setTrack();
                });
                getRect(this, `.${name}`).then((rect) => {
                    this.containerWidth = rect.width;
                });
                this.setData({
                    tabID: getUniqueID(),
                });
            },
        };
        this.methods = {
            onScroll(e) {
                const { scrollLeft } = e.detail;
                this.setData({
                    offset: scrollLeft,
                });
            },
            updateTabs(cb) {
                const { children } = this;
                const tabs = children.map((child) => child.data);
                tabs.forEach((item) => {
                    if (typeof item.icon === 'string') {
                        item.icon = { name: item.icon };
                    }
                });
                this.setData({ tabs }, cb);
                this.setCurrentIndexByName(this.properties.value);
            },
            setCurrentIndexByName(name) {
                const { children } = this;
                const index = children.findIndex((child) => child.getComputedName() === `${name}`);
                if (index > -1) {
                    this.setCurrentIndex(index);
                }
            },
            setCurrentIndex(index) {
                if (index <= -1 || index >= this.children.length)
                    return;
                this.children.forEach((child, idx) => {
                    const isActive = index === idx;
                    if (isActive !== child.data.active) {
                        child.render(isActive, this);
                    }
                });
                if (this.data.currentIndex === index)
                    return;
                this.setData({
                    currentIndex: index,
                });
                this.setTrack();
            },
            getCurrentName() {
                if (this.children) {
                    const activeTab = this.children[this.data.currentIndex];
                    if (activeTab) {
                        return activeTab.getComputedName();
                    }
                }
            },
            calcScrollOffset(containerWidth, targetLeft, targetWidth, offset) {
                return offset + targetLeft - (1 / 2) * containerWidth + targetWidth / 2;
            },
            getTrackSize() {
                return new Promise((resolve, reject) => {
                    if (this.trackWidth) {
                        resolve(this.trackWidth);
                        return;
                    }
                    getRect(this, `.${prefix}-tabs__track`)
                        .then((res) => {
                        if (res) {
                            this.trackWidth = res.width;
                            resolve(this.trackWidth);
                        }
                    })
                        .catch(reject);
                });
            },
            setTrack() {
                return __awaiter(this, void 0, void 0, function* () {
                    if (!this.properties.showBottomLine)
                        return;
                    const { children } = this;
                    if (!children)
                        return;
                    const { currentIndex } = this.data;
                    if (currentIndex <= -1)
                        return;
                    try {
                        const res = yield getRect(this, `.${prefix}-tabs__item`, true);
                        const rect = res[currentIndex];
                        if (!rect)
                            return;
                        let count = 0;
                        let distance = 0;
                        let totalSize = 0;
                        res.forEach((item) => {
                            if (count < currentIndex) {
                                distance += item.width;
                                count += 1;
                            }
                            totalSize += item.width;
                        });
                        if (this.containerWidth) {
                            const offset = this.calcScrollOffset(this.containerWidth, rect.left, rect.width, this.data.offset);
                            const maxOffset = totalSize - this.containerWidth;
                            this.setData({
                                offset: Math.min(Math.max(offset, 0), maxOffset),
                            });
                        }
                        if (this.data.theme === 'line') {
                            const trackLineWidth = yield this.getTrackSize();
                            distance += (rect.width - trackLineWidth) / 2;
                        }
                        this.setData({
                            trackStyle: `-webkit-transform: translateX(${distance}px);
            transform: translateX(${distance}px);
          `,
                        });
                    }
                    catch (err) {
                        this.triggerEvent('error', err);
                    }
                });
            },
            onTabTap(event) {
                const { index } = event.currentTarget.dataset;
                this.changeIndex(index);
            },
            onTouchStart(event) {
                if (!this.properties.swipeable)
                    return;
                this.touchStart(event);
            },
            onTouchMove(event) {
                if (!this.properties.swipeable)
                    return;
                this.touchMove(event);
            },
            onTouchEnd() {
                if (!this.properties.swipeable)
                    return;
                const { direction, deltaX, offsetX } = this;
                const minSwipeDistance = 50;
                if (direction === 'horizontal' && offsetX >= minSwipeDistance) {
                    const index = this.getAvailableTabIndex(deltaX);
                    if (index !== -1) {
                        this.changeIndex(index);
                    }
                }
            },
            onTouchScroll(event) {
                this._trigger('scroll', event.detail);
            },
            changeIndex(index) {
                const currentTab = this.data.tabs[index];
                const { value, label } = currentTab;
                if (!(currentTab === null || currentTab === void 0 ? void 0 : currentTab.disabled) && index !== this.data.currentIndex) {
                    this._trigger('change', { value, label });
                }
                this._trigger('click', { value, label });
            },
            getAvailableTabIndex(deltaX) {
                const step = deltaX > 0 ? -1 : 1;
                const { currentIndex, tabs } = this.data;
                const len = tabs.length;
                for (let i = step; currentIndex + step >= 0 && currentIndex + step < len; i += step) {
                    const newIndex = currentIndex + i;
                    if (newIndex >= 0 && newIndex < len && tabs[newIndex] && !tabs[newIndex].disabled) {
                        return newIndex;
                    }
                }
                return -1;
            },
        };
    }
    initChildId() {
        this.children.forEach((item, index) => {
            item.setId(`${this.data.tabID}_panel_${index}`);
        });
    }
};
Tabs = __decorate([
    wxComponent()
], Tabs);
export default Tabs;
import{__awaiter,__decorate}from"tslib";import{SuperComponent,wxComponent}from"../common/src/index";import props from"./props";import config from"../common/config";import touch from"../mixins/touch";import{getRect,uniqueFactory}from"../common/utils";import{getObserver}from"../common/wechat";const{prefix:prefix}=config,name=`${prefix}-tabs`,getUniqueID=uniqueFactory("tabs");let Tabs=class extends SuperComponent{constructor(){super(...arguments),this.options={pureDataPattern:/^currentLabels$/},this.behaviors=[touch],this.externalClasses=[`${prefix}-class`,`${prefix}-class-item`,`${prefix}-class-active`,`${prefix}-class-track`,`${prefix}-class-content`],this.relations={"../tab-panel/tab-panel":{type:"descendant",linked(t){this.children.push(t),this.initChildId(),t.index=this.children.length-1,this.updateTabs()},unlinked(t){this.children=this.children.filter(e=>e.index!==t.index),this.updateTabs(()=>this.setTrack()),this.initChildId()}}},this.properties=props,this.controlledProps=[{key:"value",event:"change"}],this.observers={value(t){t!==this.getCurrentName()&&this.setCurrentIndexByName(t)}},this.data={prefix:prefix,classPrefix:name,tabs:[],currentLabels:[],currentIndex:-1,trackOption:{lineWidth:0,distance:0,isInit:!0},offset:0,scrollLeft:0,tabID:"",placement:"top"},this.lifetimes={created(){this.children=this.children||[]},attached(){wx.nextTick(()=>{this.setTrack()}),getRect(this,`.${name}`).then(t=>{this.containerWidth=t.width}),this.setData({tabID:getUniqueID()})}},this.methods={onScroll(t){const{scrollLeft:e}=t.detail;this.setData({scrollLeft:e})},updateTabs(t){const{children:e}=this,i=e.map(t=>t.data);i.forEach(t=>{"string"==typeof t.icon&&(t.icon={name:t.icon})}),this.setData({tabs:i},t),this.setCurrentIndexByName(this.properties.value)},setCurrentIndexByName(t){const{children:e}=this,i=e.findIndex(e=>e.getComputedName()===`${t}`);i>-1&&this.setCurrentIndex(i)},setCurrentIndex(t){if(t<=-1||t>=this.children.length)return;const e=[];this.children.forEach((i,s)=>{const r=t===s;r===i.data.active&&i.initialized||i.render(r,this),e.push(i.data.label)});const{currentIndex:i,currentLabels:s}=this.data;i===t&&s.join("")===e.join("")||this.setData({currentIndex:t,currentLabels:e},()=>{this.setTrack()})},getCurrentName(){if(this.children){const t=this.children[this.data.currentIndex];if(t)return t.getComputedName()}},calcScrollOffset:(t,e,i,s)=>s+e-.5*t+i/2,getTabHeight(){return getRect(this,`.${name}`)},getTrackSize(){const{bottomLineMode:t}=this.properties,e={fixed:`.${prefix}-tabs__track`,auto:`.${prefix}-tabs__item--active .${prefix}-tabs__item-inner`,full:`.${prefix}-tabs__item--active`};return new Promise((i,s)=>{this.trackWidth?i(this.trackWidth):getRect(this,e[t]||e.fixed).then(t=>{t&&i(t.width)}).catch(s)})},setTrack(){return __awaiter(this,void 0,void 0,function*(){const{children:t}=this;if(!t)return;const{currentIndex:e}=this.data;if(!(e<=-1))try{const t=yield getRect(this,`.${prefix}-tabs__item`,!0),i=t[e];if(!i)return;let s=0,r=0,n=0;if(t.forEach(t=>{s<e&&(r+=t.width,s+=1),n+=t.width}),this.containerWidth){const t=this.calcScrollOffset(this.containerWidth,i.left,i.width,this.data.scrollLeft),e=n-this.containerWidth;this.setData({offset:Math.min(Math.max(t,0),e)})}else this._hasObserved||(this._hasObserved=!0,getObserver(this,`.${name}`).then(()=>this.setTrack()));const a=yield this.getTrackSize();"line"===this.data.theme&&(r+=(i.width-a)/2);const h=void 0===this.previousIndex;(h||this.previousIndex!==e)&&(this.previousIndex=e,this.setData({trackOption:{lineWidth:a,distance:r,isInit:h}}))}catch(t){this.triggerEvent("error",t)}})},onTabTap(t){const{index:e}=t.currentTarget.dataset;this.changeIndex(e)},onTouchStart(t){this.properties.swipeable&&this.touchStart(t)},onTouchMove(t){this.properties.swipeable&&this.touchMove(t)},onTouchEnd(){if(!this.properties.swipeable)return;const{direction:t,deltaX:e,offsetX:i}=this;if("horizontal"===t&&i>=50){const t=this.getAvailableTabIndex(e);-1!==t&&this.changeIndex(t)}},onTouchScroll(t){this._trigger("scroll",t.detail)},changeIndex(t){const e=this.data.tabs[t],{value:i,label:s}=e;(null==e?void 0:e.disabled)||t===this.data.currentIndex||this._trigger("change",{value:i,label:s}),this._trigger("click",{value:i,label:s})},getAvailableTabIndex(t){const e=t>0?-1:1,{currentIndex:i,tabs:s}=this.data,r=s.length;for(let t=e;i+e>=0&&i+e<r;t+=e){const e=i+t;if(!(e>=0&&e<r&&s[e]))return i;if(!s[e].disabled)return e}return-1}}}initChildId(){this.children.forEach((t,e)=>{t.setId(`${this.data.tabID}_panel_${e}`)})}};Tabs=__decorate([wxComponent()],Tabs);export default Tabs;