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30:T188b,"use client"; import { useEffect, useRef, useState } from "react"; import { motion, useReducedMotion } from "motion/react"; import { cn } from "@/lib/utils"; export type GridRevealProps = { /** Image to show after generation; use null while it is being created. */ src: string | null; alt: string; /** Current generation status, shown below the frame. */ caption?: string; /** Approximate placeholder duration in milliseconds. */ estimatedDuration?: number; onRevealComplete?: () => void; rows?: number; columns?: number; className?: string; }; export function GridReveal(props: GridRevealProps) { return ; } function GridRevealStage({ src, alt, caption, estimatedDuration = 2400, onRevealComplete, rows = 8, columns = 8, className, }: GridRevealProps) { const reduceMotion = useReducedMotion(); const [progress, setProgress] = useState(0); const [imageReady, setImageReady] = useState(false); const [revealStarted, setRevealStarted] = useState(false); const [revealed, setRevealed] = useState(false); const completeRef = useRef(onRevealComplete); const rowCount = Math.max(1, Math.floor(rows)); const columnCount = Math.max(1, Math.floor(columns)); const cells = Array.from({ length: rowCount * columnCount }, (_, index) => ({ row: Math.floor(index / columnCount), column: index % columnCount, })); useEffect(() => { completeRef.current = onRevealComplete; }, [onRevealComplete]); useEffect(() => { if (src !== null) return; let frame = 0; const startedAt = performance.now(); const duration = Math.max(1, estimatedDuration); const update = (now: number) => { setProgress(Math.min(0.92, ((now - startedAt) / duration) * 0.92)); frame = requestAnimationFrame(update); }; frame = requestAnimationFrame(update); return () => cancelAnimationFrame(frame); }, [estimatedDuration, src]); useEffect(() => { if (!revealStarted) return; const timer = window.setTimeout(() => { setRevealed(true); completeRef.current?.(); }, reduceMotion ? 180 : 880); return () => window.clearTimeout(timer); }, [reduceMotion, revealStarted]); const gridStyle = { gridTemplateColumns: "repeat(" + columnCount + ", minmax(0, 1fr))", gridTemplateRows: "repeat(" + rowCount + ", minmax(0, 1fr))", }; const imageBackground = src ? "url(" + JSON.stringify(src) + ")" : undefined; return (

{src ? ( { setImageReady(true); setProgress(1); setRevealStarted(true); }} className="absolute inset-0 size-full object-cover" initial={{ opacity: 0 }} animate={{ opacity: reduceMotion ? (imageReady ? 1 : 0) : revealed ? 1 : 0 }} transition={{ duration: reduceMotion ? 0.18 : 0.28, ease: "easeOut" }} /> ) : null} {src && imageReady && !revealed && !reduceMotion ? ( ) : null} {!src ? ( ) : null}

{caption || src === null ? (

{caption ?

{caption}

: null} {src === null ? (

) : null}

); } 31:Taf1,"use client"; import { useEffect, useRef, useState } from "react"; import { Button } from "@/components/ui/button"; import { Card } from "@/components/ui/card"; import { demoProduct } from "../../../lib/commerce/fixtures"; import { DemoPage, DemoSection } from "../../_shared/variant-frame"; import { GridReveal } from "./grid-reveal"; const productImage = demoProduct.images.find((image) => image.src.includes("/mockups/")) ?? demoProduct.images[0]; const captions = ["Starting to generate", "Creating image", "Adding detail"]; export function GridRevealDemo({ brand }: { brand?: string }) { const [src, setSrc] = useState(productImage?.src ?? null); const [caption, setCaption] = useState(); const timers = useRef([]); const [completed, setCompleted] = useState(0); useEffect(() => () => timers.current.forEach((timer) => window.clearTimeout(timer)), []); const generate = () => { timers.current.forEach((timer) => window.clearTimeout(timer)); timers.current = []; setSrc(null); setCaption(captions[0]); timers.current.push(window.setTimeout(() => setCaption(captions[1]), 700)); timers.current.push(window.setTimeout(() => setCaption(captions[2]), 1500)); timers.current.push( window.setTimeout(() => { setSrc(productImage?.src ?? null); setCaption(undefined); }, 2700), ); }; return (

setCompleted((count) => count + 1)} />

{completed ? "Design ready · " + completed + (completed === 1 ? " reveal" : " reveals") : "Product: " + demoProduct.title}

); } 32:T528,import type { BlockMeta } from "../../../lib/block-meta"; export const gridRevealMeta: BlockMeta = { slug: "grid-reveal", title: "Grid reveal", description: "A generation placeholder made from a pulsing grid that resolves into an image one cell at a time.", group: "effects", kobraDeps: ["button", "card"], files: [ "blocks/effects/grid-reveal/grid-reveal.tsx", "blocks/effects/grid-reveal/demo.tsx", ], props: [ { name: "src", type: "string | null", description: "Image source; null keeps the generation placeholder visible." }, { name: "alt", type: "string", description: "Accessible image description." }, { name: "caption", type: "string", description: "Generation status shown below the frame." }, { name: "estimatedDuration", type: "number", default: "2400", description: "Approximate placeholder duration in milliseconds." }, { name: "onRevealComplete", type: "() => void", description: "Called after the image tile reveal finishes." }, { name: "rows / columns", type: "number", default: "8", description: "Tile density for the placeholder and reveal." }, ], tags: ["image", "generation", "reveal", "motion"], status: "ready", origin: { name: "Original (behavior reference: rareui.com)", url: "https://rareui.com", license: "Original implementation" }, }; 23:["$","article",null,{"className":"grid gap-6","children":[["$","header",null,{"className":"grid gap-3","children":[["$","nav",null,{"aria-label":"breadcrumb","data-slot":"breadcrumb","className":"","children":["$","ol",null,{"data-slot":"breadcrumb-list","className":"flex flex-wrap items-center gap-1.5 text-sm wrap-break-word text-muted-foreground","children":[["$","li",null,{"data-slot":"breadcrumb-item","className":"inline-flex items-center gap-1","children":["$","$L2c",null,{"href":"/","data-slot":"breadcrumb-link","className":"transition-colors hover:text-foreground","children":"Kobra Commerce"}]}],["$","li",null,{"data-slot":"breadcrumb-separator","role":"presentation","aria-hidden":"true","className":"[&>svg]:size-3.5","children":["$","svg",null,{"ref":"$undefined","xmlns":"http://www.w3.org/2000/svg","width":24,"height":24,"viewBox":"0 0 24 24","fill":"none","stroke":"currentColor","strokeWidth":2,"strokeLinecap":"round","strokeLinejoin":"round","className":"tabler-icon tabler-icon-chevron-right rtl:-scale-x-100","children":["$undefined",["$","path","svg-0",{"d":"M9 6l6 6l-6 6"}],"$undefined"]}]}],["$","li",null,{"data-slot":"breadcrumb-item","className":"inline-flex items-center gap-1","children":["$","$L2c",null,{"href":"/#effects","data-slot":"breadcrumb-link","className":"transition-colors hover:text-foreground","children":"Effects"}]}],["$","li",null,{"data-slot":"breadcrumb-separator","role":"presentation","aria-hidden":"true","className":"[&>svg]:size-3.5","children":["$","svg",null,{"ref":"$undefined","xmlns":"http://www.w3.org/2000/svg","width":24,"height":24,"viewBox":"0 0 24 24","fill":"none","stroke":"currentColor","strokeWidth":2,"strokeLinecap":"round","strokeLinejoin":"round","className":"tabler-icon tabler-icon-chevron-right rtl:-scale-x-100","children":["$undefined",["$","path","svg-0",{"d":"M9 6l6 6l-6 6"}],"$undefined"]}]}],["$","li",null,{"data-slot":"breadcrumb-item","className":"inline-flex items-center gap-1","children":["$","span",null,{"data-slot":"breadcrumb-page","role":"link","aria-disabled":"true","aria-current":"page","className":"font-normal text-foreground","children":"Grid reveal"}]}]]}]}],["$","div",null,{"className":"flex flex-wrap items-center gap-3","children":[["$","h1",null,{"className":"text-2xl font-bold","children":"Grid reveal"}],["$","span",null,{"data-slot":"badge","data-variant":"green","className":"group/badge t-label relative isolate inline-flex w-fit shrink-0 items-center justify-center gap-1 rounded-full border border-transparent py-0.5 font-medium [--surface-calm:0.5] whitespace-nowrap transition-ring before:pointer-events-none before:absolute before:inset-0 before:-z-10 before:rounded-[inherit] before:border before:border-transparent before:transition-[scale,background-color,border-color] before:duration-150 before:ease-out focus-visible:border-ring focus-visible:ring-[3px] focus-visible:ring-ring/50 motion-reduce:before:transition-none has-data-[icon=inline-end]:pe-1.5 has-data-[icon=inline-start]:ps-1.5 aria-invalid:border-destructive aria-invalid:ring-destructive/20 dark:aria-invalid:ring-destructive/40 [a,button]:active:before:scale-[0.97] motion-reduce:[a,button]:active:before:scale-100 [&>svg]:pointer-events-none [&>svg]:size-3! t-surface t-surface-success text-[var(--badge-green-fg)] h-5 px-1.5 text-xs","children":"Ready"}]]}],["$","p",null,{"className":"max-w-[65ch] text-sm text-muted-foreground","children":"A generation placeholder made from a pulsing grid that resolves into an image one cell at a time."}]]}],["$","$L2d",null,{"preview":["$","$L2e",null,{"slug":"grid-reveal","group":"effects","minHeight":480,"fixedHeight":"$undefined"}],"code":["$","$L2f",null,{"files":[{"path":"blocks/effects/grid-reveal/grid-reveal.tsx","code":"$30"},{"path":"blocks/effects/grid-reveal/demo.tsx","code":"$31"},{"path":"blocks/effects/grid-reveal/meta.ts","code":"$32"}]}],"props":"$L33"}],"$L34"]}]