feat: added jump to source referencing of citations

This commit is contained in:
DESKTOP-RTLN3BA\$punk 2025-08-23 18:48:18 -07:00
parent 9b91bea51d
commit 76732c36ba
8 changed files with 818 additions and 559 deletions

View file

@ -1,7 +1,7 @@
import { Check, Copy } from "lucide-react";
import Image from "next/image";
import { useTheme } from "next-themes";
import React, { useEffect, useMemo, useRef, useState } from "react";
import { useEffect, useMemo, useRef, useState } from "react";
import ReactMarkdown from "react-markdown";
import { Prism as SyntaxHighlighter } from "react-syntax-highlighter";
import { oneDark, oneLight } from "react-syntax-highlighter/dist/cjs/styles/prism";
@ -10,105 +10,51 @@ import rehypeSanitize from "rehype-sanitize";
import remarkGfm from "remark-gfm";
import { Button } from "@/components/ui/button";
import { cn } from "@/lib/utils";
import { Citation } from "./chat/Citation";
import type { Source } from "./chat/types";
import CopyButton from "./copy-button";
interface MarkdownViewerProps {
content: string;
className?: string;
getCitationSource?: (id: number) => Source | null;
type?: "user" | "ai";
}
export function MarkdownViewer({
content,
className,
getCitationSource,
type = "user",
}: MarkdownViewerProps) {
export function MarkdownViewer({ content, className }: MarkdownViewerProps) {
const ref = useRef<HTMLDivElement>(null);
// Memoize the markdown components to prevent unnecessary re-renders
const components = useMemo(() => {
return {
// Define custom components for markdown elements
p: ({ node, children, ...props }: any) => {
// If there's no getCitationSource function, just render normally
if (!getCitationSource) {
return (
<p className="my-2" {...props}>
{children}
</p>
);
}
// Process citations within paragraph content
return (
<p className="my-2" {...props}>
{processCitationsInReactChildren(children, getCitationSource)}
</p>
);
},
a: ({ node, children, ...props }: any) => {
// Process citations within link content if needed
const processedChildren = getCitationSource
? processCitationsInReactChildren(children, getCitationSource)
: children;
return (
<a className="text-primary hover:underline" {...props}>
{processedChildren}
</a>
);
},
li: ({ node, children, ...props }: any) => {
// Process citations within list item content
const processedChildren = getCitationSource
? processCitationsInReactChildren(children, getCitationSource)
: children;
return <li {...props}>{processedChildren}</li>;
},
p: ({ node, children, ...props }: any) => (
<p className="my-2" {...props}>
{children}
</p>
),
a: ({ node, children, ...props }: any) => (
<a className="text-primary hover:underline" {...props}>
{children}
</a>
),
li: ({ node, children, ...props }: any) => <li {...props}>{children}</li>,
ul: ({ node, ...props }: any) => <ul className="list-disc pl-5 my-2" {...props} />,
ol: ({ node, ...props }: any) => <ol className="list-decimal pl-5 my-2" {...props} />,
h1: ({ node, children, ...props }: any) => {
const processedChildren = getCitationSource
? processCitationsInReactChildren(children, getCitationSource)
: children;
return (
<h1 className="text-2xl font-bold mt-6 mb-2" {...props}>
{processedChildren}
</h1>
);
},
h2: ({ node, children, ...props }: any) => {
const processedChildren = getCitationSource
? processCitationsInReactChildren(children, getCitationSource)
: children;
return (
<h2 className="text-xl font-bold mt-5 mb-2" {...props}>
{processedChildren}
</h2>
);
},
h3: ({ node, children, ...props }: any) => {
const processedChildren = getCitationSource
? processCitationsInReactChildren(children, getCitationSource)
: children;
return (
<h3 className="text-lg font-bold mt-4 mb-2" {...props}>
{processedChildren}
</h3>
);
},
h4: ({ node, children, ...props }: any) => {
const processedChildren = getCitationSource
? processCitationsInReactChildren(children, getCitationSource)
: children;
return (
<h4 className="text-base font-bold mt-3 mb-1" {...props}>
{processedChildren}
</h4>
);
},
h1: ({ node, children, ...props }: any) => (
<h1 className="text-2xl font-bold mt-6 mb-2" {...props}>
{children}
</h1>
),
h2: ({ node, children, ...props }: any) => (
<h2 className="text-xl font-bold mt-5 mb-2" {...props}>
{children}
</h2>
),
h3: ({ node, children, ...props }: any) => (
<h3 className="text-lg font-bold mt-4 mb-2" {...props}>
{children}
</h3>
),
h4: ({ node, children, ...props }: any) => (
<h4 className="text-base font-bold mt-3 mb-1" {...props}>
{children}
</h4>
),
blockquote: ({ node, ...props }: any) => (
<blockquote className="border-l-4 border-muted pl-4 italic my-2" {...props} />
),
@ -154,7 +100,7 @@ export function MarkdownViewer({
);
},
};
}, [getCitationSource]);
}, []);
return (
<div className={cn("prose prose-sm dark:prose-invert max-w-none", className)} ref={ref}>
@ -165,7 +111,6 @@ export function MarkdownViewer({
>
{content}
</ReactMarkdown>
{type === "ai" && <CopyButton ref={ref} />}
</div>
);
}
@ -267,77 +212,3 @@ const CodeBlock = ({ children, language }: { children: string; language: string
</div>
);
};
// Helper function to process citations within React children
const processCitationsInReactChildren = (
children: React.ReactNode,
getCitationSource: (id: number) => Source | null
): React.ReactNode => {
// If children is not an array or string, just return it
if (!children || (typeof children !== "string" && !Array.isArray(children))) {
return children;
}
// Handle string content directly - this is where we process citation references
if (typeof children === "string") {
return processCitationsInText(children, getCitationSource);
}
// Handle arrays of children recursively
if (Array.isArray(children)) {
return React.Children.map(children, (child) => {
if (typeof child === "string") {
return processCitationsInText(child, getCitationSource);
}
return child;
});
}
return children;
};
// Process citation references in text content
const processCitationsInText = (
text: string,
getCitationSource: (id: number) => Source | null
): React.ReactNode[] => {
// Use improved regex to catch citation numbers more reliably
// This will match patterns like [1], [42], etc. including when they appear at the end of a line or sentence
const citationRegex = /\[(\d+)\]/g;
const parts: React.ReactNode[] = [];
let lastIndex = 0;
let match: RegExpExecArray | null = citationRegex.exec(text);
let position = 0;
while (match !== null) {
// Add text before the citation
if (match.index > lastIndex) {
parts.push(text.substring(lastIndex, match.index));
}
// Add the citation component
const citationId = parseInt(match[1], 10);
const source = getCitationSource(citationId);
parts.push(
<Citation
key={`citation-${citationId}-${position}`}
citationId={citationId}
citationText={match[0]}
position={position}
source={source}
/>
);
lastIndex = match.index + match[0].length;
position++;
match = citationRegex.exec(text);
}
// Add any remaining text after the last citation
if (lastIndex < text.length) {
parts.push(text.substring(lastIndex));
}
return parts;
};