{"$schema":"https://ui.shadcn.com/schema/registry-item.json","name":"button-base","type":"registry:component","title":"Button Button","description":"Press scale, hover lift, variants and sizes.","author":"Saurabh <saurabh10102@gmail.com>","dependencies":["clsx","motion","tailwind-merge"],"registryDependencies":[],"files":[{"path":"components/motion/button/base.tsx","type":"registry:component","target":"@components/motion/button/base.tsx","content":"\"use client\";\n// beui.dev/components/motion/button\n\nimport {\n  AnimatePresence,\n  type HTMLMotionProps,\n  motion,\n  useReducedMotion,\n} from \"motion/react\";\nimport {\n  forwardRef,\n  type PointerEvent,\n  type ReactNode,\n  useCallback,\n  useRef,\n  useState,\n} from \"react\";\nimport { EASE_OUT, SPRING_PRESS } from \"@/lib/ease\";\nimport { useHoverCapable } from \"@/lib/hooks/use-hover-capable\";\nimport { cn } from \"@/lib/utils\";\n\nexport type ButtonVariant = \"primary\" | \"secondary\" | \"ghost\" | \"outline\";\nexport type ButtonSize = \"sm\" | \"md\" | \"lg\" | \"icon\";\n\nexport interface ButtonProps extends Omit<\n  HTMLMotionProps<\"button\">,\n  \"children\"\n> {\n  variant?: ButtonVariant;\n  size?: ButtonSize;\n  pressScale?: number;\n  /** Spawn a Material-style ripple from the press point. Off by default. */\n  ripple?: boolean;\n  children?: ReactNode;\n}\n\nexport interface ButtonLinkProps extends Omit<\n  HTMLMotionProps<\"a\">,\n  \"children\"\n> {\n  variant?: ButtonVariant;\n  size?: ButtonSize;\n  pressScale?: number;\n  children?: ReactNode;\n}\n\ntype Ripple = { id: number; x: number; y: number; size: number };\n\nconst VARIANT_CLASS: Record<ButtonVariant, string> = {\n  primary: \"bg-primary text-primary-foreground hover:bg-primary/90\",\n  secondary: \"border border-border bg-card text-foreground hover:border-border\",\n  ghost: \"text-muted-foreground hover:text-foreground hover:bg-primary/5\",\n  outline:\n    \"border border-border bg-transparent text-foreground hover:bg-primary/5\",\n};\n\nconst SIZE_CLASS: Record<ButtonSize, string> = {\n  sm: \"h-8 px-3 text-xs gap-1.5 rounded-full\",\n  md: \"h-10 px-5 text-sm gap-2 rounded-full\",\n  lg: \"h-12 px-6 text-base gap-2 rounded-full\",\n  icon: \"h-8 w-8 rounded-lg\",\n};\n\nexport const Button = forwardRef<HTMLButtonElement, ButtonProps>(\n  function Button(\n    {\n      variant = \"primary\",\n      size = \"md\",\n      pressScale = 0.93,\n      ripple = false,\n      className,\n      children,\n      onPointerDown,\n      ...rest\n    },\n    ref,\n  ) {\n    const reduce = useReducedMotion();\n    const canHover = useHoverCapable();\n    const [ripples, setRipples] = useState<Ripple[]>([]);\n    const nextId = useRef(0);\n\n    const handlePointerDown = useCallback(\n      (event: PointerEvent<HTMLButtonElement>) => {\n        if (ripple && !reduce) {\n          const rect = event.currentTarget.getBoundingClientRect();\n          const size = Math.max(rect.width, rect.height) * 2;\n          const id = nextId.current++;\n          setRipples((prev) => [\n            ...prev,\n            {\n              id,\n              x: event.clientX - rect.left,\n              y: event.clientY - rect.top,\n              size,\n            },\n          ]);\n        }\n        onPointerDown?.(event);\n      },\n      [ripple, reduce, onPointerDown],\n    );\n\n    return (\n      <motion.button\n        ref={ref}\n        type=\"button\"\n        whileTap={reduce ? undefined : { scale: pressScale }}\n        whileHover={reduce || !canHover ? undefined : { scale: 1.02 }}\n        transition={SPRING_PRESS}\n        onPointerDown={handlePointerDown}\n        className={cn(\n          \"inline-flex items-center justify-center font-medium select-none\",\n          \"transition-colors\",\n          \"disabled:pointer-events-none disabled:opacity-50\",\n          ripple && \"relative overflow-hidden\",\n          VARIANT_CLASS[variant],\n          SIZE_CLASS[size],\n          className,\n        )}\n        {...rest}\n      >\n        {ripple && !reduce ? (\n          <span className=\"pointer-events-none absolute inset-0 overflow-hidden rounded-[inherit]\">\n            <AnimatePresence>\n              {ripples.map((r) => (\n                <motion.span\n                  key={r.id}\n                  className=\"absolute rounded-full bg-current\"\n                  style={{\n                    left: r.x,\n                    top: r.y,\n                    width: r.size,\n                    height: r.size,\n                    x: \"-50%\",\n                    y: \"-50%\",\n                  }}\n                  initial={{ scale: 0.05, opacity: 0.3 }}\n                  animate={{ scale: 1, opacity: 0 }}\n                  exit={{ opacity: 0 }}\n                  transition={{ duration: 1.6, ease: EASE_OUT }}\n                  onAnimationComplete={() =>\n                    setRipples((prev) => prev.filter((x) => x.id !== r.id))\n                  }\n                />\n              ))}\n            </AnimatePresence>\n          </span>\n        ) : null}\n        {children}\n      </motion.button>\n    );\n  },\n);\n\nexport const ButtonLink = forwardRef<HTMLAnchorElement, ButtonLinkProps>(\n  function ButtonLink(\n    {\n      variant = \"primary\",\n      size = \"md\",\n      pressScale = 0.93,\n      className,\n      children,\n      ...rest\n    },\n    ref,\n  ) {\n    const reduce = useReducedMotion();\n    const canHover = useHoverCapable();\n\n    return (\n      <motion.a\n        ref={ref}\n        whileTap={reduce ? undefined : { scale: pressScale }}\n        whileHover={reduce || !canHover ? undefined : { scale: 1.02 }}\n        transition={SPRING_PRESS}\n        className={cn(\n          \"inline-flex items-center justify-center font-medium select-none\",\n          \"transition-colors\",\n          VARIANT_CLASS[variant],\n          SIZE_CLASS[size],\n          className,\n        )}\n        {...rest}\n      >\n        {children}\n      </motion.a>\n    );\n  },\n);\n"},{"path":"lib/ease.ts","type":"registry:lib","target":"@lib/ease.ts","content":"// Shared motion tokens. Easing curves mirror the CSS custom properties in\n// globals.css; springs are the canonical physics used across components.\n// Strong custom variants — defaults like `ease-in`/`ease-out` feel weak.\n\nexport const EASE_OUT = [0.16, 1, 0.3, 1] as const;\nexport const EASE_IN_OUT = [0.77, 0, 0.175, 1] as const;\nexport const EASE_DRAWER = [0.32, 0.72, 0, 1] as const;\n\n/** CSS string form of EASE_OUT for inline style transitions. */\nexport const EASE_OUT_CSS = \"cubic-bezier(0.16, 1, 0.3, 1)\";\n\n/** Press feedback on buttons and other tappable surfaces. */\nexport const SPRING_PRESS = {\n  type: \"spring\",\n  stiffness: 500,\n  damping: 30,\n  mass: 0.6,\n} as const;\n\n/** Content swaps — label/icon slots trading places inside a control. */\nexport const SPRING_SWAP = {\n  type: \"spring\",\n  stiffness: 460,\n  damping: 30,\n  mass: 0.55,\n} as const;\n\n/** Overlay panel entrances — modals and sheets summoned by pointer. */\nexport const SPRING_PANEL = {\n  type: \"spring\",\n  stiffness: 420,\n  damping: 40,\n  mass: 0.5,\n} as const;\n\n/** Shared-layout glides — pills, indicators and panels morphing between positions. */\nexport const SPRING_LAYOUT = {\n  type: \"spring\",\n  stiffness: 360,\n  damping: 32,\n  mass: 0.6,\n} as const;\n\n/** Cursor-follow physics for decorative mouse tracking (magnetic, tilt, dock). */\nexport const SPRING_MOUSE = {\n  stiffness: 200,\n  damping: 15,\n  mass: 0.3,\n} as const;\n\n/** Dragged handles and fills (sliders) — critically damped `useSpring` config,\n * so the value follows the pointer butterily and never rebounds off an end. */\nexport const SPRING_GLIDE = {\n  stiffness: 700,\n  damping: 50,\n  mass: 0.5,\n} as const;\n"},{"path":"lib/hooks/use-hover-capable.ts","type":"registry:hook","target":"@lib/hooks/use-hover-capable.ts","content":"\"use client\";\n\nimport { useEffect, useState } from \"react\";\n\n/**\n * Returns true only on devices that have a true hover (mouse / trackpad).\n * Touch devices fire phantom `:hover` on tap that sticks until tap-elsewhere\n * — gate hover-only effects (scale lifts, magnetic pulls) behind this.\n */\nexport function useHoverCapable() {\n  const [canHover, setCanHover] = useState(false);\n\n  useEffect(() => {\n    if (typeof window === \"undefined\" || !window.matchMedia) return;\n    const mq = window.matchMedia(\"(hover: hover) and (pointer: fine)\");\n    const update = () => setCanHover(mq.matches);\n    update();\n    mq.addEventListener?.(\"change\", update);\n    return () => mq.removeEventListener?.(\"change\", update);\n  }, []);\n\n  return canHover;\n}\n"},{"path":"lib/utils.ts","type":"registry:lib","target":"@lib/utils.ts","content":"import { clsx, type ClassValue } from \"clsx\"\nimport { twMerge } from \"tailwind-merge\"\n\nexport function cn(...inputs: ClassValue[]) {\n  return twMerge(clsx(inputs))\n}\n"}]}