From 5b7ccf0b671e2999b62befc729a3e517a0433728 Mon Sep 17 00:00:00 2001
From: Bertrand Yuan <bert.yuan@outlook.com>
Date: Mon, 15 Dec 2025 23:48:10 +0800
Subject: initial commit -- the front-end prototype

The initial code is base on Anirudh's work.

More to see at:

    https://github.com/techwithanirudh/shadcn-blog

Therefore, the code in this commit is under MIT license.
---
 src/components/icons/animated/upload.tsx | 102 +++++++++++++++++++++++++++++++
 1 file changed, 102 insertions(+)
 create mode 100644 src/components/icons/animated/upload.tsx

(limited to 'src/components/icons/animated/upload.tsx')

diff --git a/src/components/icons/animated/upload.tsx b/src/components/icons/animated/upload.tsx
new file mode 100644
index 0000000..19ac51e
--- /dev/null
+++ b/src/components/icons/animated/upload.tsx
@@ -0,0 +1,102 @@
+'use client';
+
+import { cn } from '@/lib/utils';
+import type { Variants } from 'motion/react';
+import { motion, useAnimation } from 'motion/react';
+import type { HTMLAttributes } from 'react';
+import { forwardRef, useCallback, useImperativeHandle, useRef } from 'react';
+
+export interface UploadIconHandle {
+  startAnimation: () => void;
+  stopAnimation: () => void;
+}
+
+interface UploadIconProps extends HTMLAttributes<HTMLDivElement> {
+  size?: number;
+}
+
+const arrowVariants: Variants = {
+  normal: { y: 0 },
+  animate: {
+    y: -2,
+    transition: {
+      type: 'spring',
+      stiffness: 200,
+      damping: 10,
+      mass: 1,
+    },
+  },
+};
+
+const UploadIcon = forwardRef<UploadIconHandle, UploadIconProps>(
+  ({ onMouseEnter, onMouseLeave, className, size = 28, ...props }, ref) => {
+    const controls = useAnimation();
+    const isControlledRef = useRef(false);
+
+    useImperativeHandle(ref, () => {
+      isControlledRef.current = true;
+
+      return {
+        startAnimation: () => controls.start('animate'),
+        stopAnimation: () => controls.start('normal'),
+      };
+    });
+
+    const handleMouseEnter = useCallback(
+      (e: React.MouseEvent<HTMLDivElement>) => {
+        if (!isControlledRef.current) {
+          controls.start('animate');
+        } else {
+          onMouseEnter?.(e);
+        }
+      },
+      [controls, onMouseEnter],
+    );
+
+    const handleMouseLeave = useCallback(
+      (e: React.MouseEvent<HTMLDivElement>) => {
+        if (!isControlledRef.current) {
+          controls.start('normal');
+        } else {
+          onMouseLeave?.(e);
+        }
+      },
+      [controls, onMouseLeave],
+    );
+
+    return (
+      <div
+        className={cn(
+          'flex cursor-pointer select-none items-center justify-center rounded-md p-2 transition-colors duration-200 hover:bg-accent',
+          className,
+        )}
+        onMouseEnter={handleMouseEnter}
+        onMouseLeave={handleMouseLeave}
+        {...props}
+      >
+        {/* biome-ignore lint/a11y/noSvgWithoutTitle: <explanation> */}
+        <svg
+          xmlns='http://www.w3.org/2000/svg'
+          width={size}
+          height={size}
+          viewBox='0 0 24 24'
+          fill='none'
+          stroke='currentColor'
+          strokeWidth='2'
+          strokeLinecap='round'
+          strokeLinejoin='round'
+        >
+          <path d='M21 15v4a2 2 0 0 1-2 2H5a2 2 0 0 1-2-2v-4' />
+          <motion.g variants={arrowVariants} animate={controls}>
+            <polyline points='17 8 12 3 7 8' />
+            <line x1='12' x2='12' y1='3' y2='15' />
+          </motion.g>
+        </svg>
+      </div>
+    );
+  },
+);
+
+UploadIcon.displayName = 'UploadIcon';
+
+export { UploadIcon };
-- 
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