markdown-text.tsx•4.92 kB
"use client";
import "@assistant-ui/react-markdown/styles/dot.css";
import {
CodeHeaderProps,
MarkdownTextPrimitive,
unstable_memoizeMarkdownComponents as memoizeMarkdownComponents,
useIsMarkdownCodeBlock,
} from "@assistant-ui/react-markdown";
import remarkGfm from "remark-gfm";
import { FC, memo, useState } from "react";
import { CheckIcon, CopyIcon } from "lucide-react";
import { TooltipIconButton } from "@/components/assistant-ui/tooltip-icon-button";
import { cn } from "@repo/ui/lib/utils";
const MarkdownTextImpl = () => {
return (
<MarkdownTextPrimitive
remarkPlugins={[remarkGfm]}
className="aui-md"
components={defaultComponents}
/>
);
};
export const MarkdownText = memo(MarkdownTextImpl);
const CodeHeader: FC<CodeHeaderProps> = ({ language, code }) => {
const { isCopied, copyToClipboard } = useCopyToClipboard();
const onCopy = () => {
if (!code || isCopied) return;
copyToClipboard(code);
};
return (
<div className="flex items-center justify-between gap-4 rounded-t-lg bg-zinc-900 px-4 py-2 text-sm font-semibold text-white">
<span className="lowercase [&>span]:text-xs">{language}</span>
<TooltipIconButton tooltip="Copy" onClick={onCopy}>
{!isCopied && <CopyIcon />}
{isCopied && <CheckIcon />}
</TooltipIconButton>
</div>
);
};
const useCopyToClipboard = ({
copiedDuration = 3000,
}: {
copiedDuration?: number;
} = {}) => {
const [isCopied, setIsCopied] = useState<boolean>(false);
const copyToClipboard = (value: string) => {
if (!value) return;
navigator.clipboard.writeText(value).then(() => {
setIsCopied(true);
setTimeout(() => setIsCopied(false), copiedDuration);
});
};
return { isCopied, copyToClipboard };
};
const defaultComponents = memoizeMarkdownComponents({
h1: ({ className, ...props }) => (
<h1 className={cn("mb-8 scroll-m-20 text-4xl font-extrabold tracking-tight last:mb-0", className)} {...props} />
),
h2: ({ className, ...props }) => (
<h2 className={cn("mb-4 mt-8 scroll-m-20 text-3xl font-semibold tracking-tight first:mt-0 last:mb-0", className)} {...props} />
),
h3: ({ className, ...props }) => (
<h3 className={cn("mb-4 mt-6 scroll-m-20 text-2xl font-semibold tracking-tight first:mt-0 last:mb-0", className)} {...props} />
),
h4: ({ className, ...props }) => (
<h4 className={cn("mb-4 mt-6 scroll-m-20 text-xl font-semibold tracking-tight first:mt-0 last:mb-0", className)} {...props} />
),
h5: ({ className, ...props }) => (
<h5 className={cn("my-4 text-lg font-semibold first:mt-0 last:mb-0", className)} {...props} />
),
h6: ({ className, ...props }) => (
<h6 className={cn("my-4 font-semibold first:mt-0 last:mb-0", className)} {...props} />
),
p: ({ className, ...props }) => (
<p className={cn("mb-5 mt-5 leading-7 first:mt-0 last:mb-0", className)} {...props} />
),
a: ({ className, ...props }) => (
<a className={cn("text-primary font-medium underline underline-offset-4", className)} {...props} />
),
blockquote: ({ className, ...props }) => (
<blockquote className={cn("border-l-2 pl-6 italic", className)} {...props} />
),
ul: ({ className, ...props }) => (
<ul className={cn("my-5 ml-6 list-disc [&>li]:mt-2", className)} {...props} />
),
ol: ({ className, ...props }) => (
<ol className={cn("my-5 ml-6 list-decimal [&>li]:mt-2", className)} {...props} />
),
hr: ({ className, ...props }) => (
<hr className={cn("my-5 border-b", className)} {...props} />
),
table: ({ className, ...props }) => (
<table className={cn("my-5 w-full border-separate border-spacing-0 overflow-y-auto", className)} {...props} />
),
th: ({ className, ...props }) => (
<th className={cn("bg-muted px-4 py-2 text-left font-bold first:rounded-tl-lg last:rounded-tr-lg [&[align=center]]:text-center [&[align=right]]:text-right", className)} {...props} />
),
td: ({ className, ...props }) => (
<td className={cn("border-b border-l px-4 py-2 text-left last:border-r [&[align=center]]:text-center [&[align=right]]:text-right", className)} {...props} />
),
tr: ({ className, ...props }) => (
<tr className={cn("m-0 border-b p-0 first:border-t [&:last-child>td:first-child]:rounded-bl-lg [&:last-child>td:last-child]:rounded-br-lg", className)} {...props} />
),
sup: ({ className, ...props }) => (
<sup className={cn("[&>a]:text-xs [&>a]:no-underline", className)} {...props} />
),
pre: ({ className, ...props }) => (
<pre className={cn("overflow-x-auto rounded-b-lg bg-black p-4 text-white", className)} {...props} />
),
code: function Code({ className, ...props }) {
const isCodeBlock = useIsMarkdownCodeBlock();
return (
<code
className={cn(!isCodeBlock && "bg-muted rounded border font-semibold", className)}
{...props}
/>
);
},
CodeHeader,
});