// less 主题文件#theme() {--dark:#000;--darken:0,0,0;--light:#fff;--lighten:255,255,255;--yellow:#ff9500;--green:#34c759;--blue:#007aff;--indigo:#048;--red:#ff3b30;}#dark-theme() {--dark:#fff;--darken:255,255,255;--light:#000;--lighten:0,0,0;--yellow:#ff9500;--green:#30d158;--blue:#0a84ff;--indigo:#bce;--red:#ff453a;}page {#theme();}@media (prefers-color-scheme:dark) {page {#dark-theme();  }}

// 核心代码（省略了工具函数）constonTouchStart=useCallback((event)=>{if(stopClose)return;const{ pageX, pageY}=event.changedTouches[0];startX.current=pageX;startY.current=pageY;startTime.current=Date.now();},[stopClose],);constonTouchMove=useCallback((event)=>{if(stopClose)return;constdiffY=getDiffY(event.changedTouches[0]);if(!diffY)return;setBottomRef.current(diffY);},[stopClose],);constonTouchEnd=useCallback((event)=>{if(stopClose)return;constdiffY=getDiffY(event.changedTouches[0]);if(!diffY){setBottomRef.current(0);return;}if(diffY>200||(diffY>10&&Date.now()-startTime.current<200)){onClose();setTimeout(()=>setBottomRef.current(0),200);return;}setBottomRef.current(0);},[onClose,stopClose],);

.tab-bar {  --lighten: 255, 255, 255;  position: fixed;  right: 0;  bottom: 0;  left: 0;  display: flex;  align-items: center;  backdrop-filter: blur(24px);}.tab {  position: relative;  display: flex;  flex: 1;  flex-direction: column;  align-items: center;  justify-content: center;  height: calc(96px + constant(safe-area-inset-bottom));  height: calc(96px + env(safe-area-inset-bottom));  padding-bottom: constant(safe-area-inset-bottom);  padding-bottom: env(safe-area-inset-bottom);}.icon {  width: 44px;  height: 44px;  opacity: 0.2;}.tab.active .icon,.tab.hover .icon {  opacity: 1;}@media (prefers-color-scheme: dark) {  .tab-bar {    --lighten: 0, 0, 0;  }  .icon {    filter: invert(1);  }}

// React Hooks（省略了工具函数）constuseMoveX=({ toLeft, toRight, disable})=>{conststartX=useRef(0);conststartY=useRef(0);conststartTime=useRef(0);constonTouchStart=useCallback((event)=>{if(disable)return;const{ pageX, pageY}=event.changedTouches[0];startX.current=pageX;startY.current=pageY;startTime.current=Date.now();},[disable],);constgetAbsAngle=useCallback((diffX,pageY)=>{constdiffY=pageY-startY.current;constangle=getAngle(diffX,diffY);returnMath.abs(angle);},[]);constonTouchEnd=useCallback((event)=>{if(disable)return;const{ pageX, pageY}=event.changedTouches[0];constdiffX=pageX-startX.current;if(diffX>0){if(!toRight||getAbsAngle(diffX,pageY)>20)return;if(diffX>70||(diffX>10&&Date.now()-startTime.current<200))toRight();}else{if(!toLeft||getAbsAngle(diffX,pageY)<160)return;if(diffX<-70||(diffX<-10&&Date.now()-startTime.current<200))toLeft();}},[disable,getAbsAngle,toLeft,toRight],);return{ onTouchStart, onTouchEnd};};

// 部分核心代码（省略了相关组件）constSTART=40;constEND=100;constuseBlurLoading=({ hasTabBar})=>{const[blur,setBlur]=useState(0);const[dots,setDots]=useState(false);constblurStyle=useMemo(()=>{if(blur<START)returnundefined;return{'--blur':`blur(${Math.floor((blur-START)/3)}px)`};},[blur]);conststartLoading=useCallback((reqFn)=>{setBlur(60);setDots(true);constonEnd=()=>{setTimeout(()=>{setBlur(0);setDots(false);},300);};reqFn().then(shakePhone).finally(onEnd);},[]);constdiffY=useRef(0);constmaxDiffY=useRef(0);consthasLoading=useRef(false);consthasReq=useRef(false);constreqRef=useRef(null);// changeconstonTouchMoveChange=useCallback((absDiffY,onReq)=>{if(absDiffY<START||absDiffY>END+20)return;// 记录 diffYdiffY.current=absDiffY;if(absDiffY>maxDiffY.current)maxDiffY.current=absDiffY;// 记录请求函数if(!reqRef.current)reqRef.current=onReq;// 显示 blurrequestAnimationFrame(()=>setBlur(absDiffY));// 显示 dots 动画if(!hasLoading.current&&absDiffY>END){hasLoading.current=true;setDots(true);shakePhone();return;}// 若未触发请求，停止 dots 动画if(hasLoading.current&&absDiffY<END&&!hasReq.current){hasLoading.current=false;setDots(false);}},[]);// endconstonTouchEnd=useCallback(()=>{if(!reqRef.current)return;// 应触发请求constshouldReq=hasLoading.current&&Math.abs(diffY.current-maxDiffY.current)<5;if(shouldReq){// 发送请求hasReq.current=true;reqRef.current().finally(()=>{setTimeout(()=>{hasReq.current=false;hasLoading.current=false;setDots(false);setBlur(0);diffY.current=0;maxDiffY.current=0;reqRef.current=null;},300);});return;}// 不触发请求setTimeout(()=>{setBlur(0);diffY.current=0;maxDiffY.current=0;},200);},[setBlur,setDots]);constloadingEl=blur>0&&(<BlurLoadingdots={dots}blurStyle={blurStyle}hasTabBar={hasTabBar}/>);return{ loadingEl, startLoading, onTouchMoveChange, onTouchEnd};};

// React Hooks（省略了工具函数）exportconstuseDynamicList=(list,index,count=5)=>{returnuseMemo(()=>{constlen=list.length;if(len<=count)returnlist;const[before,after]=splitCount(count);letstart=index-before;letend=index+after;if(start<0)start=0;if(end>len-1)end=len-1;constres=[...Array(len)];for(leti=start;i<=end;i++){res[i]=list[i];}returnres;},[index,count,list]);};

constLikeWrapper=({ isLiked, likeRequest})=>{constprevTime=useRef(0);const[iconVisible,setIconVisible]=useState(false);const[isRed,setIsRed]=useState(!isLiked);// 双击喜欢constonClick=useCallback(async(event)=>{conststartTime=event.timeStamp;if(startTime-prevTime.current<300){if(iconVisible)return;setIsRed(!isLiked);setIconVisible(true);likeRequest({ isLiked}).finally(()=>{consttimeLeft=550-(Date.now()-startTime);consthideIcon=()=>setIconVisible(false);timeLeft>0 ?setTimeout(hideIcon,timeLeft) :hideIcon();});}prevTime.current=startTime;},[iconVisible,isLiked,likeRequest],);return(<ViewclassName="like-wrapper"onClick={onClick}>{iconVisible&&<LikeIconisRed={isRed}/>}</View>);};