TypeScript 97.4%
SQL 1%
JavaScript 0.9%
CSS 0.6%
1"use client";2import * as React from "react";3import { Brain, Check, ChevronDown, ChevronRight, Coins, Copy, ExternalLink, Eye, Globe, Loader2, Trophy, Wrench, X, Zap } from "lucide-react";4import type { PolyModel } from "@/lib/client/types";5import { Markdown } from "@/components/markdown/markdown";6import { ProviderIcon } from "@/components/brand/provider-icon";7import { Badge } from "@/components/ui/badge";8import { Tooltip } from "@/components/ui/tooltip";9import { PROVIDERS } from "@/lib/client/providers";10import { liveMetrics } from "@/lib/arena/metrics";11import { blindLabel, type Criterion } from "@/lib/arena/scoring";12import { cn, formatMs, formatTokens } from "@/lib/utils";13import { isFinal, type ColumnState } from "./types";14import { MetricsStrip, STATUS_META, StatusDot } from "./metrics-strip";15import { VotePanel } from "./vote-panel";16import { BlindAvatar, Flip } from "./blind";1718export { STATUS_META, StatusDot };1920interface Props {21 column: ColumnState;22 model?: PolyModel;23 /** Display position (0-based) — drives the Blind Arena letter. */24 index: number;25 /** Blind Arena with identity still hidden. */26 hidden?: boolean;27 /** Reveal flip in progress. */28 flipping?: boolean;29 onReveal?: () => void;30 winners: { fastest: string | null; cheapest: string | null };31 isWinner?: boolean;32 criteria: Criterion[];33 /** Criterion ids this response has won. */34 won: ReadonlySet<string>;35 onVote: (responseId: string, criterionId: string, on: boolean) => void;36 onAddCriterion?: (label: string) => void;37 onRemoveCriterion?: (id: string) => void;38 voteBusy?: boolean;39 /** Prompt (+ system prompt, attachments) token estimate for live cost. */40 inputTokens: number;41 /** Shared clock from the parent (`useTick`). */42 now: number;43 wrapCode?: boolean;44 showReasoning?: boolean;45 showCosts?: boolean;46 /** Sync-scroll plumbing (optional). */47 bodyRef?: (el: HTMLDivElement | null) => void;48 onBodyScroll?: (el: HTMLDivElement) => void;49 className?: string;50 style?: React.CSSProperties;51}5253export const ArenaColumn = React.memo(function ArenaColumn({ column: c, model, index, hidden, flipping, onReveal, winners, isWinner, criteria, won, onVote, onAddCriterion, onRemoveCriterion, voteBusy, inputTokens, now, wrapCode, showReasoning = true, showCosts = true, bodyRef, onBodyScroll, className, style }: Props) {54 const provider = model?.provider ?? c.response?.provider ?? c.modelKey.split("/")[0];55 const realName = model?.displayName ?? c.modelKey.split("/").slice(1).join("/");56 const name = hidden ? blindLabel(index) : realName;57 const live = c.status === "waiting" || c.status === "thinking" || c.status === "streaming";58 const final = isFinal(c.status);59 const metrics = React.useMemo(() => liveMetrics(c, model, inputTokens, now), [c, model, inputTokens, now]);60 const [copied, setCopied] = React.useState(false);6162 // Keep the body pinned to the bottom while streaming unless the user scrolled up.63 const scrollEl = React.useRef<HTMLDivElement | null>(null);64 const pinned = React.useRef(true);65 React.useEffect(() => {66 const el = scrollEl.current;67 if (el && live && pinned.current) el.scrollTop = el.scrollHeight;68 }, [c.text, c.reasoning, live]);6970 const copy = async () => {71 await navigator.clipboard.writeText(c.text).catch(() => {});72 setCopied(true);73 setTimeout(() => setCopied(false), 1400);74 };7576 const status = STATUS_META[c.status];7778 return (79 <section className={cn("flex min-w-0 flex-col overflow-hidden rounded-xl border bg-bg-elevated transition-[border-color,box-shadow]", isWinner ? "border-accent/60 shadow-glow" : "border-border", className)} style={style} aria-label={`${name} response`}>80 {/* Header */}81 <header className="flex items-center gap-2 border-b border-border px-3 py-2">82 <Flip flipping={Boolean(flipping)}>83 <span className="flex size-7 shrink-0 items-center justify-center rounded-md border border-border bg-bg-subtle">{hidden ? <BlindAvatar index={index} size={18} /> : <ProviderIcon provider={provider} size={15} />}</span>84 </Flip>85 <div className="min-w-0 flex-1">86 <Flip flipping={Boolean(flipping)} className="flex w-full">87 <div className="flex min-w-0 items-center gap-1.5">88 <span className="truncate text-[13px] font-semibold leading-5">{name}</span>89 {!hidden && model?.capabilities.reasoning ? <Brain className="size-3.5 shrink-0 text-fg-subtle" aria-label="Reasoning model" /> : null}90 </div>91 </Flip>92 <div className="flex items-center gap-1.5 text-[11.5px] text-fg-muted">93 <StatusDot status={c.status} />94 <span>{status.label}</span>95 {live ? <span className="tabular-nums text-fg-subtle">· {(metrics.elapsedMs / 1000).toFixed(1)} s</span> : null}96 {!hidden ? <span className="truncate text-fg-subtle">· {PROVIDERS[provider as keyof typeof PROVIDERS]?.shortName ?? provider}</span> : <span className="text-fg-subtle">· identity hidden</span>}97 </div>98 </div>99 <div className="flex shrink-0 items-center gap-1">100 {isWinner ? (101 <Badge variant="accent" className="gap-1">102 <Trophy /> Winner103 </Badge>104 ) : null}105 {winners.fastest === c.modelKey ? (106 <Tooltip content="Fastest time to first token">107 <Badge variant="success" className="hidden gap-1 sm:inline-flex">108 <Zap /> Fastest109 </Badge>110 </Tooltip>111 ) : null}112 {winners.cheapest === c.modelKey && showCosts ? (113 <Tooltip content="Lowest estimated cost">114 <Badge variant="info" className="hidden gap-1 sm:inline-flex">115 <Coins /> Cheapest116 </Badge>117 </Tooltip>118 ) : null}119 {hidden && onReveal && final ? (120 <Tooltip content="Reveal this model">121 <button onClick={onReveal} className="tap rounded p-1 text-fg-subtle transition-colors hover:bg-bg-muted hover:text-fg [&_svg]:size-3.5" aria-label="Reveal model identity">122 <Eye />123 </button>124 </Tooltip>125 ) : null}126 {c.text ? (127 <Tooltip content={copied ? "Copied" : "Copy response"}>128 <button onClick={copy} className="tap rounded p-1 text-fg-subtle transition-colors hover:bg-bg-muted hover:text-fg [&_svg]:size-3.5" aria-label="Copy response">129 {copied ? <Check className="text-success" /> : <Copy />}130 </button>131 </Tooltip>132 ) : null}133 </div>134 </header>135136 {/* Body */}137 <div138 ref={(el) => {139 scrollEl.current = el;140 bodyRef?.(el);141 }}142 onScroll={(e) => {143 const el = e.currentTarget;144 pinned.current = el.scrollHeight - el.scrollTop - el.clientHeight < 48;145 onBodyScroll?.(el);146 }}147 className="min-h-[140px] max-h-[min(58dvh,720px)] flex-1 space-y-2.5 overflow-y-auto overscroll-contain px-3.5 py-3 scrollbar-thin md:max-h-[min(62vh,720px)]"148 >149 {(c.reasoning || c.status === "thinking") && showReasoning ? <ReasoningBlock text={c.reasoning} streaming={live && !c.text} /> : null}150151 {c.serverTools.length ? (152 <div className="flex flex-wrap gap-1.5">153 {dedupe(c.serverTools).map((t, i) => (154 <Badge key={i} variant="info" className="gap-1">155 {t.name === "web_search" ? <Globe /> : <Wrench />} {t.name.replace(/_/g, " ")} {t.status === "started" ? <Loader2 className="animate-spin" /> : null}156 </Badge>157 ))}158 </div>159 ) : null}160161 {c.status === "waiting" ? (162 <div className="flex items-center gap-2 py-1 text-[13px] text-fg-muted">163 <span className="inline-flex gap-1">164 <i className="size-1.5 animate-pulse-soft rounded-full bg-fg-subtle" />165 <i className="size-1.5 animate-pulse-soft rounded-full bg-fg-subtle [animation-delay:200ms]" />166 <i className="size-1.5 animate-pulse-soft rounded-full bg-fg-subtle [animation-delay:400ms]" />167 </span>168 Waiting for {name}…169 </div>170 ) : null}171172 {c.text ? <Markdown content={c.text} wrap={wrapCode} streaming={c.status === "streaming"} /> : null}173174 {final && !c.text && !c.error ? <p className="text-[13px] italic text-fg-subtle">{c.status === "stopped" ? "Stopped before any output." : "The model returned an empty response."}</p> : null}175176 {c.error ? (177 <div className="flex items-start gap-2 rounded-lg border border-danger/30 bg-danger-soft px-3 py-2 text-[13px] text-danger">178 <X className="mt-0.5 size-4 shrink-0" />179 <div className="min-w-0">180 <div className="font-medium break-words">{c.error.message}</div>181 <div className="font-mono text-[11px] opacity-80">{c.error.code}</div>182 </div>183 </div>184 ) : null}185186 {c.citations.length ? <Citations items={c.citations} /> : null}187 </div>188189 {/* Footer: live metrics + votes */}190 {c.status !== "idle" ? (191 <footer className="border-t border-border bg-bg-subtle/50 px-3 py-2">192 <MetricsStrip metrics={metrics} showCosts={showCosts} fastest={winners.fastest === c.modelKey} cheapest={winners.cheapest === c.modelKey} />193 {final && c.responseId ? <VotePanel className="mt-2" criteria={criteria} won={won} busy={voteBusy} onToggle={(id, on) => onVote(c.responseId!, id, on)} onAddCriterion={onAddCriterion} onRemoveCriterion={onRemoveCriterion} /> : null}194 {final && c.status === "error" && !c.responseId ? <p className="mt-1.5 text-[11.5px] text-fg-subtle">Latency {formatMs(metrics.elapsedMs)}</p> : null}195 </footer>196 ) : null}197 </section>198 );199});200201function ReasoningBlock({ text, streaming }: { text: string; streaming: boolean }) {202 const [open, setOpen] = React.useState(streaming);203 React.useEffect(() => {204 if (!streaming) {205 // collapse automatically once the answer starts206 // eslint-disable-next-line react-hooks/set-state-in-effect207 setOpen(false);208 }209 }, [streaming]);210 const ref = React.useRef<HTMLDivElement>(null);211 React.useEffect(() => {212 if (open && streaming && ref.current) ref.current.scrollTop = ref.current.scrollHeight;213 }, [text, open, streaming]);214 return (215 <div className="rounded-lg border border-border bg-bg-subtle/60">216 <button onClick={() => setOpen((o) => !o)} className="flex min-h-9 w-full items-center gap-2 px-3 py-1.5 text-left text-[12.5px] text-fg-muted hover:text-fg" aria-expanded={open}>217 <Brain className={cn("size-3.5", streaming && "animate-pulse-soft text-accent")} />218 <span className="font-medium">{streaming ? "Thinking…" : "Reasoning"}</span>219 {!streaming && text ? <span className="text-fg-subtle">· ≈ {formatTokens(Math.round(text.length / 4))} tok</span> : null}220 <span className="ml-auto">{open ? <ChevronDown className="size-3.5" /> : <ChevronRight className="size-3.5" />}</span>221 </button>222 {open ? (223 <div ref={ref} className="max-h-56 overflow-y-auto border-t border-border px-3 py-2 text-[13px] leading-relaxed text-fg-muted scrollbar-thin">224 {text ? <Markdown content={text} className="text-[13px] text-fg-muted [&_p]:text-fg-muted" /> : <span className="text-fg-subtle">Reasoning summary will appear here when the provider exposes it.</span>}225 </div>226 ) : null}227 </div>228 );229}230231function Citations({ items }: { items: { url?: string; title?: string; snippet?: string }[] }) {232 const unique = React.useMemo(() => {233 const seen = new Set<string>();234 return items.filter((c) => {235 const k = c.url ?? c.title ?? "";236 if (!k || seen.has(k)) return false;237 seen.add(k);238 return true;239 });240 }, [items]);241 if (!unique.length) return null;242 return (243 <div className="flex flex-wrap gap-1.5 pt-1">244 {unique.slice(0, 10).map((c, i) => (245 <a key={i} href={c.url} target="_blank" rel="noopener noreferrer nofollow" className="inline-flex max-w-[240px] items-center gap-1 rounded-md border border-border bg-bg-subtle px-2 py-1 text-[11.5px] text-fg-muted hover:border-border-strong hover:text-fg" title={c.snippet}>246 <ExternalLink className="size-3 shrink-0" />247 <span className="truncate">{c.title || safeHost(c.url)}</span>248 </a>249 ))}250 </div>251 );252}253254function safeHost(url?: string): string {255 try {256 return url ? new URL(url).hostname : "source";257 } catch {258 return "source";259 }260}261262function dedupe(list: { name: string; status: string }[]) {263 const map = new Map<string, { name: string; status: string }>();264 for (const t of list) map.set(t.name, t);265 return [...map.values()];266}267