feat: 代码片段功能与 Markdown 内嵌片段渲染、文档截图等
This commit is contained in:
239
frontend/components/SnippetVersionModal.tsx
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239
frontend/components/SnippetVersionModal.tsx
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@@ -0,0 +1,239 @@
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"use client";
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import { useState, useEffect, useCallback } from "react";
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import { History, X } from "lucide-react";
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import { apiSnippetHistory } from "@/lib/api";
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import type { SnippetVersionItem } from "@/lib/api";
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import { toast } from "@/lib/toast";
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import { formatRelative } from "@/lib/format";
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import { smartDiff, toFoldedRows, type FoldedRow } from "@/lib/smartDiff";
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import Modal from "@/components/Modal";
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function DiffLineRow({ row }: { row: FoldedRow }) {
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if (row.kind === "fold") {
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return (
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<div
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className="text-center py-1 text-[11px] select-none"
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style={{ color: "var(--ink-3)", background: "var(--panel-2)" }}
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>
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⋯ 折叠 {row.count} 行 ⋯
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</div>
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);
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}
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const bg =
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row.op === "del"
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? "color-mix(in srgb, var(--danger) 8%, transparent)"
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: row.op === "ins"
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? "color-mix(in srgb, var(--ok) 8%, transparent)"
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: "transparent";
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const color =
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row.op === "del"
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? "var(--danger)"
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: row.op === "ins"
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? "var(--ok)"
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: "var(--ink)";
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const prefix = row.op === "del" ? "- " : row.op === "ins" ? "+ " : " ";
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if (row.segments && row.segments.length > 0) {
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// 行内细分高亮
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const parts: Array<{ text: string; changed: boolean }> = [];
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let last = 0;
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for (const seg of row.segments) {
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if (seg.start > last) parts.push({ text: row.text.slice(last, seg.start), changed: false });
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parts.push({ text: row.text.slice(seg.start, seg.end), changed: true });
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last = seg.end;
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}
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if (last < row.text.length) parts.push({ text: row.text.slice(last), changed: false });
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return (
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<div
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className="flex gap-2 px-3 py-0.5 text-[12.5px] font-mono whitespace-pre-wrap break-all"
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style={{ background: bg, color }}
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>
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<span className="shrink-0 w-4 select-none" style={{ color: "var(--ink-3)" }}>
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{prefix}
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</span>
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<span>
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{parts.map((p, i) =>
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p.changed ? (
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<mark
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key={i}
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style={{
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background:
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row.op === "del"
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? "color-mix(in srgb, var(--danger) 25%, transparent)"
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: "color-mix(in srgb, var(--ok) 25%, transparent)",
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color: "inherit",
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}}
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>
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{p.text}
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</mark>
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) : (
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<span key={i}>{p.text}</span>
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)
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)}
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</span>
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</div>
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);
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}
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return (
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<div
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className="flex gap-2 px-3 py-0.5 text-[12.5px] font-mono whitespace-pre-wrap break-all"
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style={{ background: bg, color }}
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>
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<span className="shrink-0 w-4 select-none" style={{ color: "var(--ink-3)" }}>
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{prefix}
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</span>
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<span>{row.text || " "}</span>
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</div>
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);
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}
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function VersionDiff({ oldText, newText }: { oldText: string; newText: string }) {
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const result = smartDiff(oldText, newText);
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const rows = toFoldedRows(result.blocks, 3);
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return (
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<div
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className="rounded-lg overflow-hidden"
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style={{ border: "1px solid var(--line)", background: "var(--bg)" }}
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>
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<div
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className="px-3 py-1.5 text-[11px] font-medium flex items-center gap-3"
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style={{ background: "var(--panel-2)", borderBottom: "1px solid var(--line)", color: "var(--ink-3)" }}
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>
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<span style={{ color: "var(--ok)" }}>+{result.stats.adds}</span>
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<span style={{ color: "var(--danger)" }}>-{result.stats.dels}</span>
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</div>
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<div className="max-h-[320px] overflow-y-auto">
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{rows.map((row, i) => (
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<DiffLineRow key={i} row={row} />
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))}
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</div>
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</div>
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);
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}
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export default function SnippetVersionModal({
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open,
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onClose,
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snippetId,
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currentCode,
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currentTitle,
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currentLanguage,
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currentDescription,
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}: {
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open: boolean;
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onClose: () => void;
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snippetId: number;
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currentCode: string;
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currentTitle: string;
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currentLanguage: string;
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currentDescription: string;
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}) {
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const [items, setItems] = useState<SnippetVersionItem[]>([]);
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const [loading, setLoading] = useState(false);
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const [expandedId, setExpandedId] = useState<number | null>(null);
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const load = useCallback(async () => {
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setLoading(true);
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try {
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const res = await apiSnippetHistory(snippetId, 1, 50);
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setItems(res.items);
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} catch (e) {
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toast(e instanceof Error ? e.message : "加载历史失败");
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} finally {
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setLoading(false);
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}
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}, [snippetId]);
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useEffect(() => {
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if (open) load();
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}, [open, load]);
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const toggleExpand = (id: number) => {
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setExpandedId((prev) => (prev === id ? null : id));
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};
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return (
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<Modal
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open={open}
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title="版本历史"
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description="每次编辑前的旧值快照"
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onClose={onClose}
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dismissOnOverlay
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maxWidthClass="max-w-3xl"
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panelClassName="p-5 sm:p-6"
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>
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<div className="max-h-[60vh] overflow-y-auto">
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{loading ? (
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<p className="meta text-[13px] text-center py-8">加载中…</p>
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) : items.length === 0 ? (
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<p className="meta text-[13px] text-center py-8">暂无编辑历史</p>
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) : (
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<div className="flex flex-col gap-3">
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{items.map((v) => {
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const isExpanded = expandedId === v.id;
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const diffRows = isExpanded
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? toFoldedRows(smartDiff(v.old_code, currentCode).blocks, 3)
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: null;
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return (
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<div
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key={v.id}
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className="rounded-lg overflow-hidden"
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style={{ border: "1px solid var(--line)", background: "var(--panel)" }}
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>
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<button
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type="button"
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onClick={() => toggleExpand(v.id)}
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className="w-full flex items-center justify-between px-4 py-3 text-left hover:bg-[var(--panel-2)] transition-colors"
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>
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<div className="min-w-0">
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<p className="text-[13px] font-medium truncate" style={{ color: "var(--ink)" }}>
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{v.old_title || currentTitle}
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</p>
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<p className="meta text-[11px] mt-0.5">
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{formatRelative(v.created_at)} · {v.old_language || currentLanguage}
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</p>
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</div>
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<span className="meta text-[11px] shrink-0 ml-3">
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{isExpanded ? "收起" : "查看差异"}
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</span>
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</button>
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{isExpanded && diffRows && (
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<div className="px-4 pb-4">
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<div
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className="rounded-lg overflow-hidden"
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style={{ border: "1px solid var(--line)", background: "var(--bg)" }}
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>
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<div
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className="px-3 py-1.5 text-[11px] font-medium flex items-center gap-3"
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style={{
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background: "var(--panel-2)",
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borderBottom: "1px solid var(--line)",
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color: "var(--ink-3)",
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}}
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>
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<span style={{ color: "var(--ok)" }}>
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+{smartDiff(v.old_code, currentCode).stats.adds}
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</span>
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<span style={{ color: "var(--danger)" }}>
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-{smartDiff(v.old_code, currentCode).stats.dels}
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</span>
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</div>
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<div className="max-h-[320px] overflow-y-auto">
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{diffRows.map((row, i) => (
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<DiffLineRow key={i} row={row} />
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))}
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</div>
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</div>
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</div>
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)}
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</div>
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);
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})}
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</div>
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)}
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</div>
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</Modal>
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);
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}
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