{
  "$schema": "https://ui.shadcn.com/schema/registry-item.json",
  "name": "primitive-page-transition",
  "type": "registry:ui",
  "title": "Page transition",
  "description": "Preserve continuity across page or view changes with a safe fallback.",
  "dependencies": [
    "motion"
  ],
  "categories": [
    "primitive",
    "scroll"
  ],
  "docs": "https://motion-lexicon.pages.dev/en/primitives/page-transition/",
  "files": [
    {
      "path": "src/registry/primitives/page-transition.tsx",
      "type": "registry:ui",
      "target": "components/motion-lexicon/primitives/page-transition.tsx",
      "content": "\"use client\";\n\nimport { AnimatePresence, motion, useReducedMotion, type Transition } from \"motion/react\";\nimport type { ReactNode } from \"react\";\n\nconst EASE_OUT = [0.23, 1, 0.32, 1] as const;\n\nexport type PageTransitionDirection = \"up\" | \"down\" | \"left\" | \"right\";\n\nexport type PageTransitionPrimitiveProps = {\n  pageKey: string | number;\n  children: ReactNode;\n  direction?: PageTransitionDirection;\n  distance?: number;\n  duration?: number;\n  easing?: Transition[\"ease\"];\n  className?: string;\n};\n\nfunction travel(direction: PageTransitionDirection, distance: number, reverse = false) {\n  const sign = reverse ? -1 : 1;\n  if (direction === \"left\") return `translate3d(${distance * sign}px, 0, 0)`;\n  if (direction === \"right\") return `translate3d(${-distance * sign}px, 0, 0)`;\n  if (direction === \"down\") return `translate3d(0, ${-distance * sign}px, 0)`;\n  return `translate3d(0, ${distance * sign}px, 0)`;\n}\n\nexport function PageTransitionPrimitive({\n  pageKey,\n  children,\n  direction = \"left\",\n  distance = 32,\n  duration = 0.28,\n  easing = EASE_OUT,\n  className,\n}: PageTransitionPrimitiveProps) {\n  const reduceMotion = useReducedMotion();\n\n  return (\n    <AnimatePresence initial={false} mode=\"wait\">\n      <motion.section\n        className={className}\n        key={pageKey}\n        initial={reduceMotion ? { opacity: 0 } : { opacity: 0, transform: travel(direction, distance) }}\n        animate={{ opacity: 1, transform: \"translate3d(0, 0, 0)\" }}\n        exit={reduceMotion ? { opacity: 0 } : { opacity: 0, transform: travel(direction, distance, true) }}\n        transition={reduceMotion ? { duration: 0.12 } : { duration, ease: easing }}\n      >\n        {children}\n      </motion.section>\n    </AnimatePresence>\n  );\n}\n"
    }
  ]
}