Files
paperclip/ui/src/components/MarkdownBody.tsx

76 lines
2.5 KiB
TypeScript

import type { CSSProperties } from "react";
import Markdown from "react-markdown";
import remarkGfm from "remark-gfm";
import { parseProjectMentionHref } from "@paperclipai/shared";
import { cn } from "../lib/utils";
import { useTheme } from "../context/ThemeContext";
interface MarkdownBodyProps {
children: string;
className?: string;
}
function hexToRgb(hex: string): { r: number; g: number; b: number } | null {
const match = /^#([0-9a-f]{6})$/i.exec(hex.trim());
if (!match) return null;
const value = match[1];
return {
r: parseInt(value.slice(0, 2), 16),
g: parseInt(value.slice(2, 4), 16),
b: parseInt(value.slice(4, 6), 16),
};
}
function mentionChipStyle(color: string | null): CSSProperties | undefined {
if (!color) return undefined;
const rgb = hexToRgb(color);
if (!rgb) return undefined;
const luminance = (0.299 * rgb.r + 0.587 * rgb.g + 0.114 * rgb.b) / 255;
return {
borderColor: color,
backgroundColor: `rgba(${rgb.r}, ${rgb.g}, ${rgb.b}, 0.22)`,
color: luminance > 0.55 ? "#111827" : "#f8fafc",
};
}
export function MarkdownBody({ children, className }: MarkdownBodyProps) {
const { theme } = useTheme();
return (
<div
className={cn(
"prose prose-sm max-w-none prose-p:my-2 prose-p:leading-[1.4] prose-ul:my-1.5 prose-ol:my-1.5 prose-li:my-0.5 prose-li:leading-[1.4] prose-pre:my-2 prose-pre:whitespace-pre-wrap prose-pre:break-words prose-headings:my-2 prose-headings:text-sm prose-blockquote:leading-[1.4] prose-table:my-2 prose-th:px-3 prose-th:py-1.5 prose-td:px-3 prose-td:py-1.5 prose-code:break-all [&_ul]:list-disc [&_ul]:pl-5 [&_ol]:list-decimal [&_ol]:pl-5 [&_li]:list-item",
theme === "dark" && "prose-invert",
className,
)}
>
<Markdown
remarkPlugins={[remarkGfm]}
components={{
a: ({ href, children: linkChildren }) => {
const parsed = href ? parseProjectMentionHref(href) : null;
if (parsed) {
const label = linkChildren;
return (
<a
href={`/projects/${parsed.projectId}`}
className="paperclip-project-mention-chip"
style={mentionChipStyle(parsed.color)}
>
{label}
</a>
);
}
return (
<a href={href} rel="noreferrer">
{linkChildren}
</a>
);
},
}}
>
{children}
</Markdown>
</div>
);
}