perf!: monorepo setup + fully static + webp images

BREAKING CHANGE: minimum supported Node.js >= 22.0.0 and pnpm >= 9.5.0

packages/ui/src/design/Section/RevealFade.tsx

@@ -0,0 +1,39 @@
+"use client"
+
+import { useEffect, useRef } from "react"
+
+export interface RevealFadeProps extends React.PropsWithChildren {}
+
+export const RevealFade: React.FC<RevealFadeProps> = (props) => {
+  const { children } = props
+
+  const htmlElement = useRef<HTMLDivElement | null>(null)
+
+  const className =
+    "opacity-100 visible translate-y-0 transition-all duration-700 ease-in-out"
+
+  useEffect(() => {
+    const observer = new window.IntersectionObserver(
+      (entries, observer) => {
+        for (const entry of entries) {
+          if (entry.isIntersecting) {
+            entry.target.className = className
+            observer.unobserve(entry.target)
+          }
+        }
+      },
+      {
+        root: null,
+        rootMargin: "0px",
+        threshold: 0.28,
+      },
+    )
+    observer.observe(htmlElement.current as HTMLDivElement)
+  }, [])
+
+  return (
+    <div ref={htmlElement} className="invisible -translate-y-7 opacity-0">
+      {children}
+    </div>
+  )
+}