feat: Claude Code Monitor — lanes, pipelines and a merged workspace
Internal SmartGift build of a Claude Code monitoring dashboard. Lanes: a durable unit of parallel agent work, one per working directory, tracked across session restarts. Managed lanes are git worktrees the dashboard provisions and can reset or remove behind a three-check destroy guard and a counted preflight; adopted lanes are directories you already own and are never destroyable. Pipelines: a lane moves through pipeline stages. A stage the agent declares with evidence renders green; a stage inferred from the tool-event stream renders dashed amber and never counts as done. Detection is forward-only within a 30-minute window, and never writes the declared stage. Workspace: one page at /run with a lane grid, the selected lane's pipeline, and a full Claude console behind a disclosure.
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/**
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* @file CodeBlock.tsx
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* @description Reusable, syntax-highlighted code block with a chrome bar (language pill,
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* optional filename, copy-to-clipboard, line count) and optional gutter line numbers.
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* Used by MarkdownContent for fenced code blocks and by ToolCallBlock for tool I/O.
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* @author Nguyễn Ngọc Trí Vĩ <vinnt@smartgift.vn>
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*/
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/* =============================================================================
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* MODULE_GUIDE — extended in-file reference (comments only; safe to read, never executed)
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* =============================================================================
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* **Purpose:** Renders Claude transcript rows (user, assistant, tool calls) inside Session Detail with markdown, syntax highlighting, and TUI-style segments.
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*
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* ## Design constraints
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* - Local-first: no telemetry leaves the machine unless the user configures webhooks.
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* - Fail-safe hooks path on the server must never block Claude Code; UI mirrors that
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* philosophy by degrading gracefully (empty states, stale badges, reconnect loops).
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* - Destructive flows stay behind explicit confirmation modals and server-side gates.
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* - Internationalization: user-visible strings belong in i18n JSON, not literals here.
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*
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* ## Remote data & SSH
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* Remote Data Sources let operators aggregate multiple machines. SSH entries describe
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* how to reach a peer dashboard; the global data scope (`dataScope.ts`) narrows every
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* scoped GET via `?sources=`. Health checks and import history surface in Settings.
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*
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* ## Observability
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* Prometheus scrapes `GET /api/metrics` (see `monitoring/`). Grafana ships four
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* provisioned boards (overview, sessions, tools, alerts). Native npm scripts and
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* Docker Compose profiles are documented in `monitoring/README.md`.
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*
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* ## Internal dependencies
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* - `../../lib/highlight`
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*
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* ## Public surface
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* - `CodeBlock` — exported API; see TSDoc on the symbol for behavior.
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*
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* ## Testing pointers
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* - Prefer colocated `__tests__` with Vitest + Testing Library for UI.
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* - Server contract changes require `npm run test:server` and OpenAPI sync.
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* - MCP edits: `npm run mcp:typecheck` and `npm run mcp:build`.
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*
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* ## Related docs
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* - `ARCHITECTURE.md` — hooks → API → SQLite → WebSocket → UI pipeline.
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* - `docs/API.md` — REST reference.
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* - `.claude/skills/file-headers/` — mandatory `@author` header policy.
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* ============================================================================= */
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/* -----------------------------------------------------------------------------
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* EXPORT CATALOG — quick index of symbols defined below (documentation only).
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* -----------------------------------------------------------------------------
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* **CodeBlock**
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* Part of this module's public contract. Downstream imports should treat
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* the signature and return type as stable unless release notes say otherwise.
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* When behavior changes, update the `@file` overview and relevant tests.
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*
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* ----------------------------------------------------------------------------- */
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import { useMemo, useState } from "react";
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import { Check, Copy, FileCode } from "lucide-react";
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import { canonicalLang, highlight, tokenClass, type Token } from "../../lib/highlight";
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interface CodeBlockProps {
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code: string;
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lang?: string;
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/** Optional filename to display in the chrome bar. */
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filename?: string;
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/** Render compact (no chrome bar). */
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compact?: boolean;
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/** Override for the right-side label (e.g. "Output", "Error"). */
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label?: string;
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/** Tone - "default" matches the surface, "danger" tints red, "success" tints emerald. */
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tone?: "default" | "danger" | "success";
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/** Cap the rendered height; pass null to disable. Default 24rem. */
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maxHeight?: string | null;
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/** Show a left gutter with line numbers. Default true for >= 4 lines. */
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showLineNumbers?: boolean;
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}
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const LANG_DISPLAY: Record<string, string> = {
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js: "JavaScript",
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ts: "TypeScript",
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python: "Python",
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json: "JSON",
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bash: "Shell",
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html: "HTML",
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css: "CSS",
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sql: "SQL",
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yaml: "YAML",
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diff: "Diff",
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plain: "Text",
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};
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function langDisplay(lang: string): string {
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const canon = canonicalLang(lang);
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return LANG_DISPLAY[canon] ?? (lang || "Text");
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}
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/**
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* Split tokens that span multiple lines so we can render one line at a time
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* (necessary for the gutter line-number column to align).
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*/
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function splitTokensByLine(tokens: Token[]): Token[][] {
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const lines: Token[][] = [[]];
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for (const t of tokens) {
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const parts = t.text.split("\n");
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for (let i = 0; i < parts.length; i++) {
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if (i > 0) lines.push([]);
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const piece = parts[i]!;
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if (piece.length > 0) {
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lines[lines.length - 1]!.push({ type: t.type, text: piece });
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}
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}
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}
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return lines;
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}
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export function CodeBlock({
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code,
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lang = "",
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filename,
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compact = false,
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label,
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tone = "default",
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maxHeight = "24rem",
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showLineNumbers,
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}: CodeBlockProps) {
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const [copied, setCopied] = useState(false);
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const tokens = useMemo(() => highlight(code, lang), [code, lang]);
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const lineTokens = useMemo(() => splitTokensByLine(tokens), [tokens]);
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const totalLines = lineTokens.length;
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const gutter = showLineNumbers ?? totalLines >= 4;
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const handleCopy = async () => {
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try {
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await navigator.clipboard.writeText(code);
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setCopied(true);
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window.setTimeout(() => setCopied(false), 1500);
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} catch {
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// Clipboard may be unavailable in some contexts - fail silently.
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}
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};
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const palette =
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tone === "danger"
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? {
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wrapper: "border-red-500/30 bg-red-500/5",
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chrome: "bg-red-500/10 border-b border-red-500/20",
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label: "text-red-300",
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}
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: tone === "success"
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? {
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wrapper: "border-emerald-500/30 bg-emerald-500/5",
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chrome: "bg-emerald-500/10 border-b border-emerald-500/20",
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label: "text-emerald-300",
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}
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: {
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wrapper: "border-surface-3 bg-surface-4/50",
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chrome: "bg-surface-3/70 border-b border-surface-3",
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label: "text-gray-400",
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};
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const preStyle: React.CSSProperties = {};
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if (maxHeight) preStyle.maxHeight = maxHeight;
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return (
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<div
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className={`group/code rounded-md border overflow-hidden shadow-[0_1px_0_rgba(255,255,255,0.02)_inset,0_2px_8px_-4px_rgba(0,0,0,0.4)] ${palette.wrapper}`}
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>
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{!compact && (
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<div className={`flex items-center gap-2 px-3 py-1.5 text-[11px] ${palette.chrome}`}>
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{/* Language pill */}
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<span
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className={`inline-flex items-center gap-1 font-mono uppercase tracking-wider ${palette.label}`}
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>
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{filename ? <FileCode className="w-3 h-3 opacity-70" /> : null}
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{filename ?? label ?? langDisplay(lang)}
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</span>
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{/* Filename + lang together when both are set */}
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{filename && !label && (
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<span className="text-gray-600 font-mono lowercase">{langDisplay(lang)}</span>
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)}
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{filename && label && (
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<span className={`font-mono uppercase tracking-wider ${palette.label}`}>· {label}</span>
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)}
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{/* Right side: line count + copy */}
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<div className="ml-auto flex items-center gap-3">
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{totalLines > 1 && (
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<span className="text-gray-600 font-mono">
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{totalLines} {totalLines === 1 ? "line" : "lines"}
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</span>
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)}
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<button
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type="button"
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onClick={handleCopy}
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className={`inline-flex items-center gap-1 transition-colors ${
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copied ? "text-emerald-300" : "text-gray-500 hover:text-gray-200"
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}`}
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aria-label="Copy code"
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>
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{copied ? (
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<>
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<Check className="w-3 h-3" /> Copied
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</>
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) : (
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<>
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<Copy className="w-3 h-3" /> Copy
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</>
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)}
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</button>
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</div>
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</div>
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)}
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<div className="overflow-auto" style={preStyle}>
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<pre className="font-mono text-[12.5px] leading-[1.6]">
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<code>
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{gutter ? (
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<table className="border-collapse" style={{ width: "max-content", minWidth: "100%" }}>
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<tbody>
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{lineTokens.map((line, i) => (
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<tr key={i} className="align-top">
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<td
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className="select-none text-right pl-3 pr-3 text-gray-600 font-mono text-[11px] leading-[1.6] sticky left-0 bg-inherit"
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style={{ width: "1%", whiteSpace: "nowrap" }}
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>
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{i + 1}
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</td>
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<td className="pl-0 pr-3 whitespace-pre">
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{line.length === 0 ? (
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<span> </span>
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) : (
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line.map((t, j) => (
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<span key={j} className={tokenClass(t.type)}>
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{t.text}
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</span>
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))
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)}
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</td>
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</tr>
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))}
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</tbody>
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</table>
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) : (
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<div className="px-3 py-2 whitespace-pre">
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{tokens.map((t, i) => (
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<span key={i} className={tokenClass(t.type)}>
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{t.text}
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</span>
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))}
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</div>
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)}
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</code>
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</pre>
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</div>
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</div>
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);
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}
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Reference in New Issue
Block a user