50:I[707087,["/_next/static/immutable/chunks/2985g-hklwiee.js","/_next/static/immutable/chunks/0qkc3dps_9x_i.js","/_next/static/immutable/chunks/2nvof3-29tvc3.js","/_next/static/immutable/chunks/3thksmxn95rly.js","/_next/static/immutable/chunks/15bpbjna9-vr3.js","/_next/static/immutable/chunks/3tjobt77z_9dj.js","/_next/static/immutable/chunks/0agonoz1szsjm.js","/_next/static/immutable/chunks/1ynd3dcge2kn1.js","/_next/static/immutable/chunks/0krdn-21gkgjt.js","/_next/static/immutable/chunks/0n9w9riw96l80.js","/_next/static/immutable/chunks/0w75qangey2ys.js","/_next/static/immutable/chunks/1tge7vcvsb70s.js","/_next/static/immutable/chunks/35ju_ac0ysz07.js"],"RegistryDependencies"] 51:I[512940,["/_next/static/immutable/chunks/2985g-hklwiee.js","/_next/static/immutable/chunks/0qkc3dps_9x_i.js","/_next/static/immutable/chunks/2nvof3-29tvc3.js","/_next/static/immutable/chunks/3thksmxn95rly.js","/_next/static/immutable/chunks/15bpbjna9-vr3.js","/_next/static/immutable/chunks/3tjobt77z_9dj.js","/_next/static/immutable/chunks/0agonoz1szsjm.js","/_next/static/immutable/chunks/1ynd3dcge2kn1.js","/_next/static/immutable/chunks/0krdn-21gkgjt.js","/_next/static/immutable/chunks/0n9w9riw96l80.js","/_next/static/immutable/chunks/0w75qangey2ys.js","/_next/static/immutable/chunks/1tge7vcvsb70s.js","/_next/static/immutable/chunks/35ju_ac0ysz07.js"],"Installation"] 52:I[314491,["/_next/static/immutable/chunks/2985g-hklwiee.js","/_next/static/immutable/chunks/0qkc3dps_9x_i.js","/_next/static/immutable/chunks/2nvof3-29tvc3.js","/_next/static/immutable/chunks/3thksmxn95rly.js","/_next/static/immutable/chunks/15bpbjna9-vr3.js","/_next/static/immutable/chunks/3tjobt77z_9dj.js","/_next/static/immutable/chunks/0agonoz1szsjm.js","/_next/static/immutable/chunks/1ynd3dcge2kn1.js","/_next/static/immutable/chunks/0krdn-21gkgjt.js","/_next/static/immutable/chunks/0n9w9riw96l80.js","/_next/static/immutable/chunks/0w75qangey2ys.js","/_next/static/immutable/chunks/1tge7vcvsb70s.js","/_next/static/immutable/chunks/35ju_ac0ysz07.js"],"FilesView"] 53:T2b28,'use client'; import React, { useState, useRef, useEffect, Children, cloneElement, ReactElement, useCallback, useMemo, } from 'react'; import { cn } from '@/lib/utils'; interface CardProps { className?: string; children: React.ReactNode; x?: number; y?: number; } export const Card: React.FC = ({ className = '', children, x = 0, y = 0, }) => { return (

{children}

); }; interface InfiniteCanvasProps { className?: string; children: React.ReactNode; cardWidth?: number; cardHeight?: number; spacing?: number; showControls?: boolean; showZoom?: boolean; showStatus?: boolean; showInstructions?: boolean; } interface VisibleCard { id: string; x: number; y: number; childIndex: number; } const InfiniteCanvas: React.FC = ({ className = '', children, cardWidth = 280, cardHeight = 220, spacing = 30, showControls = true, showZoom = true, showStatus = true, showInstructions = true, }) => { const [position, setPosition] = useState({ x: 0, y: 0 }); const [zoom, setZoom] = useState(1); const [isDragging, setIsDragging] = useState(false); const [dragStart, setDragStart] = useState({ x: 0, y: 0 }); const [lastTouchDistance, setLastTouchDistance] = useState(0); const [isActive, setIsActive] = useState(true); const [visibleCards, setVisibleCards] = useState([]); const canvasRef = useRef(null); const rafRef = useRef(undefined); const cellWidth = cardWidth + spacing; const cellHeight = cardHeight + spacing; const childArray = useMemo(() => { const array = Children.toArray(children); return array; }, [children]); const childCount = childArray.length; const getVisibleCards = useCallback( ( currentPosition: { x: number; y: number }, currentZoom: number, canvasElement: HTMLDivElement | null, ): VisibleCard[] => { const viewportWidth = canvasElement ? canvasElement.offsetWidth : window.innerWidth; const viewportHeight = canvasElement ? canvasElement.offsetHeight : window.innerHeight; const buffer = Math.ceil(3 / currentZoom); const startCol = Math.floor( (-currentPosition.x / currentZoom - viewportWidth / 2) / cellWidth, ) - buffer; const endCol = Math.ceil( (-currentPosition.x / currentZoom + viewportWidth / 2) / cellWidth, ) + buffer; const startRow = Math.floor( (-currentPosition.y / currentZoom - viewportHeight / 2) / cellHeight, ) - buffer; const endRow = Math.ceil( (-currentPosition.y / currentZoom + viewportHeight / 2) / cellHeight, ) + buffer; const cards: VisibleCard[] = []; for (let j = startRow; j <= endRow; j++) { for (let i = startCol; i <= endCol; i++) { const index = Math.abs(i * 7 + j * 13) % childCount; cards.push({ id: `${i}-${j}`, x: i * cellWidth + spacing / 2, y: j * cellHeight + spacing / 2, childIndex: index, }); } } return cards; }, [childCount, cellWidth, cellHeight, spacing], ); useEffect(() => { const updateVisibleCards = () => { const cards = getVisibleCards(position, zoom, canvasRef.current); setVisibleCards(cards); }; updateVisibleCards(); }, [position, zoom, getVisibleCards]); const handleMouseDown = useCallback( (e: React.MouseEvent) => { if (!isActive) return; setIsDragging(true); setDragStart({ x: e.clientX - position.x, y: e.clientY - position.y }); }, [isActive, position.x, position.y], ); const handleMouseMove = useCallback( (e: React.MouseEvent) => { if (!isActive || !isDragging) return; const newX = e.clientX - dragStart.x; const newY = e.clientY - dragStart.y; if (rafRef.current !== undefined) { cancelAnimationFrame(rafRef.current); } rafRef.current = requestAnimationFrame(() => { setPosition({ x: newX, y: newY }); }); }, [isActive, isDragging, dragStart.x, dragStart.y], ); const handleMouseUp = useCallback(() => { setIsDragging(false); }, []); const getTouchDistance = useCallback((touches: React.TouchList) => { const dx = touches[0].clientX - touches[1].clientX; const dy = touches[0].clientY - touches[1].clientY; return Math.sqrt(dx * dx + dy * dy); }, []); const handleTouchStart = useCallback( (e: React.TouchEvent) => { if (!isActive) return; if (e.touches.length === 2) { setLastTouchDistance(getTouchDistance(e.touches)); } else if (e.touches.length === 1) { setIsDragging(true); setDragStart({ x: e.touches[0].clientX - position.x, y: e.touches[0].clientY - position.y, }); } }, [isActive, position.x, position.y, getTouchDistance], ); const handleTouchMove = useCallback( (e: TouchEvent) => { if (!isActive) return; if (e.touches.length === 2) { e.preventDefault(); const newDistance = getTouchDistance( e.touches as unknown as React.TouchList, ); if (lastTouchDistance > 0) { const delta = newDistance - lastTouchDistance; const zoomSpeed = 0.01; const newZoom = Math.max(0.3, Math.min(3, zoom + delta * zoomSpeed)); if (rafRef.current !== undefined) { cancelAnimationFrame(rafRef.current); } rafRef.current = requestAnimationFrame(() => { setZoom(newZoom); }); } setLastTouchDistance(newDistance); } else if (e.touches.length === 1 && isDragging) { const newX = e.touches[0].clientX - dragStart.x; const newY = e.touches[0].clientY - dragStart.y; if (rafRef.current !== undefined) { cancelAnimationFrame(rafRef.current); } rafRef.current = requestAnimationFrame(() => { setPosition({ x: newX, y: newY }); }); } }, [ isActive, isDragging, dragStart.x, dragStart.y, lastTouchDistance, zoom, getTouchDistance, ], ); const handleTouchEnd = useCallback(() => { setIsDragging(false); setLastTouchDistance(0); }, []); const handleWheel = useCallback( (e: WheelEvent) => { if (!isActive) return; e.preventDefault(); const delta = e.deltaY; const zoomSpeed = 0.001; const newZoom = Math.max(0.3, Math.min(3, zoom - delta * zoomSpeed)); if (rafRef.current !== undefined) { cancelAnimationFrame(rafRef.current); } rafRef.current = requestAnimationFrame(() => { setZoom(newZoom); }); }, [isActive, zoom], ); useEffect(() => { const canvas = canvasRef.current; if (canvas && isActive) { canvas.addEventListener('wheel', handleWheel, { passive: false }); canvas.addEventListener('touchmove', handleTouchMove, { passive: false }); return () => { canvas.removeEventListener('wheel', handleWheel); canvas.removeEventListener('touchmove', handleTouchMove); }; } }, [handleWheel, handleTouchMove, isActive]); useEffect(() => { if (isActive) { const originalOverflow = document.body.style.overflow; const originalHtmlOverflow = document.documentElement.style.overflow; document.body.style.overflow = 'hidden'; document.documentElement.style.overflow = 'hidden'; return () => { document.body.style.overflow = originalOverflow; document.documentElement.style.overflow = originalHtmlOverflow; }; } }, [isActive]); const transformStyle = useMemo( () => ({ transform: `translate(${position.x}px, ${position.y}px) scale(${zoom})`, position: 'absolute' as const, left: '50%', top: '50%', width: 0, height: 0, willChange: 'transform', }), [position.x, position.y, zoom], ); return (

{visibleCards.map((card) => { const child = childArray[card.childIndex]; return (

{React.isValidElement(child) ? cloneElement( child as ReactElement<{ x?: number; y?: number }>, { x: card.x, y: card.y, }, ) : child}

); })}

{showInstructions && (

Drag to pan • Scroll to zoom

)} {showZoom && (

{Math.round(zoom * 100)}%

)} {showStatus && (

)} {showControls && ( )}

); }; export { InfiniteCanvas }; 4c:["$","div",null,{"className":"flex flex-col gap-12","children":[["$","div",null,{"className":"pt-10 flex flex-col gap-4","children":[["$","ul",null,{"className":"flex gap-2 flex-wrap","children":[["$","li","clsx",{"children":["$","a",null,{"href":"https://www.npmjs.com/package/clsx","target":"_blank","rel":"noopener noreferrer","className":"rounded-md border p-2 text-sm flex items-center gap-1 ","children":[["$","svg",null,{"viewBox":"0 0 24 24","className":"size-3","children":["$","path",null,{"d":"M1.763 0C.786 0 0 .786 0 1.763v20.474C0 23.214.786 24 1.763 24h20.474c.977 0 1.763-.786 1.763-1.763V1.763C24 .786 23.214 0 22.237 0zM5.13 5.323l13.837.019-.009 13.836h-3.464l.01-10.382h-3.456L12.04 19.17H5.113z","fill":"currentColor"}]}],["$","span",null,{"className":"text-xs font-medium","children":"clsx"}]]}]}],["$","li","tailwind-merge",{"children":["$","a",null,{"href":"https://www.npmjs.com/package/tailwind-merge","target":"_blank","rel":"noopener noreferrer","className":"rounded-md border p-2 text-sm flex items-center gap-1 ","children":[["$","svg",null,{"viewBox":"0 0 24 24","className":"size-3","children":["$","path",null,{"d":"M1.763 0C.786 0 0 .786 0 1.763v20.474C0 23.214.786 24 1.763 24h20.474c.977 0 1.763-.786 1.763-1.763V1.763C24 .786 23.214 0 22.237 0zM5.13 5.323l13.837.019-.009 13.836h-3.464l.01-10.382h-3.456L12.04 19.17H5.113z","fill":"currentColor"}]}],["$","span",null,{"className":"text-xs font-medium","children":"tailwind-merge"}]]}]}]]}],["$","$L50",null,{"registryDependencies":[]}]]}],["$","$L51",null,{"sourceUrl":"https://www.scrollxui.dev/registry/infinite-canvas.json","proxyUrl":"https://shadcnregistry.com/r/scrollxui/infinite-canvas","itemId":"@scrollxui/infinite-canvas"}],["$","section",null,{"className":"flex flex-col gap-4","id":"files","children":[["$","h2",null,{"className":"text-lg md:text-2xl font-bold font-mono","children":"Files"}],["$","$L52",null,{"files":[{"path":"components/ui/infinite-canvas.tsx","content":"$53","type":"registry:ui"},{"path":"lib/utils.ts","content":"import { clsx, type ClassValue } from \"clsx\";\nimport { twMerge } from \"tailwind-merge\";\n\nexport function cn(...inputs: ClassValue[]) {\n return twMerge(clsx(inputs));\n}","type":"registry:lib"}]}]]}],"$L54"]}]

Infinite Canvas

Installation

Files

components

lib

Styles