50:I[707087,["/_next/static/immutable/chunks/3arlv5bvukoo2.js","/_next/static/immutable/chunks/39v64hmfyo-sr.js","/_next/static/immutable/chunks/2nvof3-29tvc3.js","/_next/static/immutable/chunks/3tjobt77z_9dj.js","/_next/static/immutable/chunks/04j_o97cgxn2x.js","/_next/static/immutable/chunks/3upr08c9vtj8w.js","/_next/static/immutable/chunks/1ww0328si-u8x.js","/_next/static/immutable/chunks/11mfl5ymqld9-.js","/_next/static/immutable/chunks/2xxcqy6ppds3l.js","/_next/static/immutable/chunks/3j06ow7w40nxu.js","/_next/static/immutable/chunks/31nn7jwsjvqii.js","/_next/static/immutable/chunks/43_s7jweyypoh.js","/_next/static/immutable/chunks/0p6vao205o1jc.js","/_next/static/immutable/chunks/1_kyvgkyokw92.js","/_next/static/immutable/chunks/1lo-zn37dolb5.js","/_next/static/immutable/chunks/1v8k6yxw1rg0u.js"],"RegistryDependencies"] 51:I[314491,["/_next/static/immutable/chunks/3arlv5bvukoo2.js","/_next/static/immutable/chunks/39v64hmfyo-sr.js","/_next/static/immutable/chunks/2nvof3-29tvc3.js","/_next/static/immutable/chunks/3tjobt77z_9dj.js","/_next/static/immutable/chunks/04j_o97cgxn2x.js","/_next/static/immutable/chunks/3upr08c9vtj8w.js","/_next/static/immutable/chunks/1ww0328si-u8x.js","/_next/static/immutable/chunks/11mfl5ymqld9-.js","/_next/static/immutable/chunks/2xxcqy6ppds3l.js","/_next/static/immutable/chunks/3j06ow7w40nxu.js","/_next/static/immutable/chunks/31nn7jwsjvqii.js","/_next/static/immutable/chunks/43_s7jweyypoh.js","/_next/static/immutable/chunks/0p6vao205o1jc.js","/_next/static/immutable/chunks/1_kyvgkyokw92.js","/_next/static/immutable/chunks/1lo-zn37dolb5.js","/_next/static/immutable/chunks/1v8k6yxw1rg0u.js"],"FilesView"] 52:T4a18,"use client"; /** * @author: @kokonutui * @description: AI Diff Review * @version: 1.0.0 * @date: 2026-10-15 * @license: MIT * @website: https://kokonutui.com * @github: https://github.com/kokonut-labs/kokonutui */ import { Check, ChevronRight, Undo2, X } from "lucide-react"; import { AnimatePresence, MotionConfig, motion } from "motion/react"; import { useEffect, useId, useRef, useState } from "react"; import { cn } from "@/lib/utils"; export interface DiffLine { type: "add" | "remove" | "context"; text: string; } export interface DiffHunk { /** First line number of the hunk in the new file. */ start: number; lines: DiffLine[]; } export type FileDecision = "pending" | "accepted" | "rejected"; export interface FileChange { path: string; hunks: DiffHunk[]; /** True for a file the agent created. */ created?: boolean; } interface AIDiffReviewProps { /** * The agent's edits. When omitted, a demo edit streams in, file by file, * then waits for review. */ files?: FileChange[]; /** Called when a file is accepted, rejected or put back to pending. */ onDecision?: (path: string, decision: FileDecision) => void; className?: string; } const EASE_OUT = [0.23, 1, 0.32, 1] as const; const DEMO_LINE_MS = 90; const DEMO_FILES: FileChange[] = [ { path: "lib/validate.ts", created: true, hunks: [ { start: 1, lines: [ { type: "add", text: "const POSTCODE = /^[A-Z]{1,2}\\d[A-Z\\d]? ?\\d[A-Z]{2}$/i;", }, { type: "add", text: "" }, { type: "add", text: "export function isPostcode(value: string) {" }, { type: "add", text: " return POSTCODE.test(value.trim());" }, { type: "add", text: "}" }, ], }, ], }, { path: "app/checkout/form.tsx", hunks: [ { start: 18, lines: [ { type: "context", text: " const onSubmit = (data: Address) => {" }, { type: "remove", text: " if (!data.postcode) {" }, { type: "remove", text: ' return setError("Required");' }, { type: "add", text: " if (!isPostcode(data.postcode)) {" }, { type: "add", text: ' return setError("Enter a valid postcode");', }, { type: "context", text: " }" }, { type: "context", text: " submit(data);" }, ], }, ], }, { path: "app/checkout/form.test.ts", hunks: [ { start: 31, lines: [ { type: "context", text: ' it("rejects an empty postcode", () => {', }, { type: "remove", text: ' expect(errorFor("")).toBe("Required");', }, { type: "add", text: ' expect(errorFor("")).toBe("Enter a valid postcode");', }, { type: "add", text: " });" }, { type: "add", text: "" }, { type: "add", text: ' it("accepts a spaced postcode", () => {' }, { type: "add", text: ' expect(errorFor("SW1A 1AA")).toBeNull();' }, { type: "context", text: " });" }, ], }, ], }, ]; const countLines = (hunks: DiffHunk[]) => { let added = 0; let removed = 0; for (const hunk of hunks) { for (const line of hunk.lines) { if (line.type === "add") { added += 1; } else if (line.type === "remove") { removed += 1; } } } return { added, removed }; }; /** Cuts the files down to their first `shown` lines, in order. */ const takeLines = (files: FileChange[], shown: number) => { let left = shown; const out: FileChange[] = []; for (const file of files) { if (left <= 0) { break; } const hunks: DiffHunk[] = []; for (const hunk of file.hunks) { if (left <= 0) { break; } hunks.push({ ...hunk, lines: hunk.lines.slice(0, left) }); left -= hunk.lines.length; } out.push({ ...file, hunks }); } return out; }; const TOTAL_DEMO_LINES = DEMO_FILES.reduce( (sum, file) => sum + file.hunks.reduce((lines, hunk) => lines + hunk.lines.length, 0), 0 ); /** Streams the demo edit in a line at a time, pausing offscreen. */ function useDemoStream( enabled: boolean, rootRef: React.RefObject ) { const [shown, setShown] = useState(0); const [visible, setVisible] = useState(false); const [run, setRun] = useState(0); useEffect(() => { const element = rootRef.current; if (!(enabled && element)) { return; } const observer = new IntersectionObserver(([entry]) => setVisible(entry.isIntersecting) ); observer.observe(element); return () => observer.disconnect(); }, [enabled, rootRef]); const writing = enabled && shown < TOTAL_DEMO_LINES; useEffect(() => { if (!(writing && visible)) { return; } const id = setInterval( () => setShown((value) => Math.min(TOTAL_DEMO_LINES, value + 1)), DEMO_LINE_MS ); return () => clearInterval(id); }, [writing, visible]); return { files: takeLines(DEMO_FILES, shown), writing, run, replay: () => { setShown(0); setRun((value) => value + 1); }, }; } const blockColor = (index: number, green: number, total: number) => { if (total === 0) { return "bg-gray-200 dark:bg-gray-700"; } return index < green ? "bg-emerald-500" : "bg-red-500"; }; /** GitHub-style five-block bar: how much of the change adds vs. removes. */ function ChangeBar({ added, removed }: { added: number; removed: number }) { const total = added + removed; const green = total === 0 ? 0 : Math.round((added / total) * 5); return ( {Array.from({ length: 5 }, (_, i) => ( ))} ); } const LINE_STYLES: Record = { add: "bg-emerald-500/10 text-emerald-900 dark:text-emerald-200", remove: "bg-red-500/10 text-red-900 dark:text-red-200", context: "text-gray-600 dark:text-gray-400", }; const LINE_SIGNS: Record = { add: "+", remove: "−", context: " ", }; function Hunk({ hunk }: { hunk: DiffHunk }) { let number = hunk.start; return (

{hunk.lines.map((line, index) => { const lineNumber = line.type === "remove" ? null : number; if (line.type !== "remove") { number += 1; } return ( {lineNumber} {LINE_SIGNS[line.type]} {line.text || " "} ); })}

); } function FileRow({ file, decision, writing, onDecide, }: { file: FileChange; decision: FileDecision; writing: boolean; onDecide: (decision: FileDecision) => void; }) { const [open, setOpen] = useState(false); const diffId = useId(); const { added, removed } = countLines(file.hunks); const slash = file.path.lastIndexOf("/"); const dir = file.path.slice(0, slash + 1); const name = file.path.slice(slash + 1); const isOpen = (open || writing) && decision === "pending"; return (

{decision === "pending" ? ( +{added} {" "} −{removed} {!writing && ( )} ) : ( {decision === "accepted" ? "Accepted" : "Reverted"} )}

{isOpen && (

{file.hunks.map((hunk) => ( ))}

)}

); } export default function AIDiffReview({ files: filesProp, onDecision, className, }: AIDiffReviewProps) { const rootRef = useRef(null); const demo = useDemoStream(filesProp === undefined, rootRef); const files = filesProp ?? demo.files; const writing = filesProp === undefined && demo.writing; const [decisions, setDecisions] = useState>({}); // A replayed demo starts with a clean slate. useEffect(() => { if (demo.run > 0) { setDecisions({}); } }, [demo.run]); const decide = (path: string, decision: FileDecision) => { setDecisions((current) => ({ ...current, [path]: decision })); onDecision?.(path, decision); }; const decisionOf = (path: string) => decisions[path] ?? "pending"; const totals = files.reduce( (sum, file) => { const { added, removed } = countLines(file.hunks); return { added: sum.added + added, removed: sum.removed + removed }; }, { added: 0, removed: 0 } ); const pending = files.filter((file) => decisionOf(file.path) === "pending"); const accepted = files.filter( (file) => decisionOf(file.path) === "accepted" ).length; const allDecided = !writing && files.length > 0 && pending.length === 0; // While streaming, only the file being written is open. const writingPath = writing ? files.at(-1)?.path : undefined; let title = `${files.length} ${files.length === 1 ? "file" : "files"} changed`; if (writing) { title = "Editing files"; } else if (allDecided) { title = `${accepted} of ${files.length} kept`; } return (

{title} +{totals.added} {" "} −{totals.removed}

{!(writing || allDecided) && ( <> )} {allDecided && filesProp === undefined && ( )}

decide(file.path, decision)} writing={file.path === writingPath} /> ))} {files.length === 0 && (

Waiting for edits…

)}

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