first commit

src/components/ScrollableRow.tsx

@@ -0,0 +1,169 @@
+import { ChevronLeft, ChevronRight } from 'lucide-react';
+import { useEffect, useRef, useState } from 'react';
+
+interface ScrollableRowProps {
+  children: React.ReactNode;
+  scrollDistance?: number;
+}
+
+export default function ScrollableRow({
+  children,
+  scrollDistance = 1000,
+}: ScrollableRowProps) {
+  const containerRef = useRef<HTMLDivElement>(null);
+  const [showLeftScroll, setShowLeftScroll] = useState(false);
+  const [showRightScroll, setShowRightScroll] = useState(false);
+  const [isHovered, setIsHovered] = useState(false);
+
+  const checkScroll = () => {
+    if (containerRef.current) {
+      const { scrollWidth, clientWidth, scrollLeft } = containerRef.current;
+
+      // 计算是否需要左右滚动按钮
+      const threshold = 1; // 容差值，避免浮点误差
+      const canScrollRight =
+        scrollWidth - (scrollLeft + clientWidth) > threshold;
+      const canScrollLeft = scrollLeft > threshold;
+
+      setShowRightScroll(canScrollRight);
+      setShowLeftScroll(canScrollLeft);
+    }
+  };
+
+  useEffect(() => {
+    // 多次延迟检查，确保内容已完全渲染
+    checkScroll();
+
+    // 监听窗口大小变化
+    window.addEventListener('resize', checkScroll);
+
+    // 创建一个 ResizeObserver 来监听容器大小变化
+    const resizeObserver = new ResizeObserver(() => {
+      // 延迟执行检查
+      checkScroll();
+    });
+
+    if (containerRef.current) {
+      resizeObserver.observe(containerRef.current);
+    }
+
+    return () => {
+      window.removeEventListener('resize', checkScroll);
+      resizeObserver.disconnect();
+    };
+  }, [children]); // 依赖 children，当子组件变化时重新检查
+
+  // 添加一个额外的效果来监听子组件的变化
+  useEffect(() => {
+    if (containerRef.current) {
+      // 监听 DOM 变化
+      const observer = new MutationObserver(() => {
+        setTimeout(checkScroll, 100);
+      });
+
+      observer.observe(containerRef.current, {
+        childList: true,
+        subtree: true,
+        attributes: true,
+        attributeFilter: ['style', 'class'],
+      });
+
+      return () => observer.disconnect();
+    }
+  }, []);
+
+  const handleScrollRightClick = () => {
+    if (containerRef.current) {
+      containerRef.current.scrollBy({
+        left: scrollDistance,
+        behavior: 'smooth',
+      });
+    }
+  };
+
+  const handleScrollLeftClick = () => {
+    if (containerRef.current) {
+      containerRef.current.scrollBy({
+        left: -scrollDistance,
+        behavior: 'smooth',
+      });
+    }
+  };
+
+  return (
+    <div
+      className='relative'
+      onMouseEnter={() => {
+        setIsHovered(true);
+        // 当鼠标进入时重新检查一次
+        checkScroll();
+      }}
+      onMouseLeave={() => setIsHovered(false)}
+    >
+      <div
+        ref={containerRef}
+        className='flex space-x-6 overflow-x-auto scrollbar-hide py-1 sm:py-2 pb-12 sm:pb-14 px-4 sm:px-6'
+        onScroll={checkScroll}
+      >
+        {children}
+      </div>
+      {showLeftScroll && (
+        <div
+          className={`hidden sm:flex absolute left-0 top-0 bottom-0 w-16 items-center justify-center z-[600] transition-opacity duration-200 ${
+            isHovered ? 'opacity-100' : 'opacity-0'
+          }`}
+          style={{
+            background: 'transparent',
+            pointerEvents: 'none', // 允许点击穿透
+          }}
+        >
+          <div
+            className='absolute inset-0 flex items-center justify-center'
+            style={{
+              top: '40%',
+              bottom: '60%',
+              left: '-4.5rem',
+              pointerEvents: 'auto',
+            }}
+          >
+            <button
+              onClick={handleScrollLeftClick}
+              className='w-12 h-12 bg-white/95 rounded-full shadow-lg flex items-center justify-center hover:bg-white border border-gray-200 transition-transform hover:scale-105 dark:bg-gray-800/90 dark:hover:bg-gray-700 dark:border-gray-600'
+            >
+              <ChevronLeft className='w-6 h-6 text-gray-600 dark:text-gray-300' />
+            </button>
+          </div>
+        </div>
+      )}
+
+      {showRightScroll && (
+        <div
+          className={`hidden sm:flex absolute right-0 top-0 bottom-0 w-16 items-center justify-center z-[600] transition-opacity duration-200 ${
+            isHovered ? 'opacity-100' : 'opacity-0'
+          }`}
+          style={{
+            background: 'transparent',
+            pointerEvents: 'none', // 允许点击穿透
+          }}
+        >
+          <div
+            className='absolute inset-0 flex items-center justify-center'
+            style={{
+              top: '40%',
+              bottom: '60%',
+              right: '-4.5rem',
+              pointerEvents: 'auto',
+            }}
+          >
+            <button
+              onClick={handleScrollRightClick}
+              className='w-12 h-12 bg-white/95 rounded-full shadow-lg flex items-center justify-center hover:bg-white border border-gray-200 transition-transform hover:scale-105 dark:bg-gray-800/90 dark:hover:bg-gray-700 dark:border-gray-600'
+            >
+              <ChevronRight className='w-6 h-6 text-gray-600 dark:text-gray-300' />
+            </button>
+          </div>
+        </div>
+      )}
+    </div>
+  );
+}