website/src/app/_components/ansi.tsx
2025-11-25 15:28:23 -08:00

114 lines
3.3 KiB
TypeScript

import Anser, { type AnserJsonEntry } from "anser";
import { escapeCarriageReturn } from "escape-carriage";
import React, { memo, useMemo } from "react";
const colorMap: Record<string, string> = {
"ansi-black": "text-[var(--black)]",
"ansi-red": "text-[var(--red)]",
"ansi-green": "text-[var(--green)]",
"ansi-yellow": "text-[var(--brown)]",
"ansi-blue": "text-[var(--blue)]",
"ansi-magenta": "text-[var(--magenta)]",
"ansi-cyan": "text-[var(--cyan)]",
"ansi-white": "text-[var(--light-gray)]",
"ansi-bright-black": "text-[var(--dark-gray)]",
"ansi-bright-red": "text-[var(--light-red)]",
"ansi-bright-green": "text-[var(--light-green)]",
"ansi-bright-yellow": "text-[var(--yellow)]",
"ansi-bright-blue": "text-[var(--light-blue)]",
"ansi-bright-magenta": "text-[var(--light-magenta)]",
"ansi-bright-cyan": "text-[var(--light-cyan)]",
"ansi-bright-white": "text-[var(--white)]",
} as const;
const bgColorMap: Record<string, string> = {
"ansi-black": "bg-transparent",
"ansi-red": "bg-[var(--red)]",
"ansi-green": "bg-[var(--green)]",
"ansi-yellow": "bg-[var(--brown)]",
"ansi-blue": "bg-[var(--blue)]",
"ansi-magenta": "bg-[var(--magenta)]",
"ansi-cyan": "bg-[var(--cyan)]",
"ansi-white": "bg-[var(--light-gray)]",
"ansi-bright-black": "bg-[var(--dark-gray)]",
"ansi-bright-red": "bg-[var(--light-red)]",
"ansi-bright-green": "bg-[var(--light-green)]",
"ansi-bright-yellow": "bg-[var(--yellow)]",
"ansi-bright-blue": "bg-[var(--light-blue)]",
"ansi-bright-magenta": "bg-[var(--light-magenta)]",
"ansi-bright-cyan": "bg-[var(--light-cyan)]",
"ansi-bright-white": "bg-[var(--white)]",
} as const;
const decorationMap: Record<string, string> = {
bold: "font-bold",
dim: "opacity-50",
italic: "italic",
hidden: "invisible",
strikethrough: "line-through",
underline: "underline",
blink: "animate-pulse",
} as const;
function fixBackspace(txt: string): string {
let tmp = txt;
do {
txt = tmp;
tmp = txt.replace(/[^\n]\x08/gm, "");
} while (tmp.length < txt.length);
return txt;
}
function createClass(bundle: AnserJsonEntry): string | null {
const classes: string[] = [];
if (bundle.bg && bgColorMap[bundle.bg]) {
classes.push(bgColorMap[bundle.bg]!);
}
if (bundle.fg && colorMap[bundle.fg]) {
classes.push(colorMap[bundle.fg]!);
}
if (bundle.decoration && decorationMap[bundle.decoration]) {
classes.push(decorationMap[bundle.decoration]!);
}
return classes.length ? classes.join(" ") : null;
}
interface Props {
children?: string;
className?: string;
}
const Ansi = memo(function Ansi({ className, children = "" }: Props) {
const bundles = useMemo(() => {
const input = escapeCarriageReturn(fixBackspace(children));
return Anser.ansiToJson(input, {
json: true,
remove_empty: true,
use_classes: true,
});
}, [children]);
const renderedContent = useMemo(
() =>
bundles.map((bundle, key) => {
const bundleClassName = createClass(bundle);
return (
<span key={key} className={bundleClassName ?? undefined}>
{bundle.content}
</span>
);
}),
[bundles],
);
return (
<div className="flex justify-center">
<pre className={className ?? ""} style={{ textAlign: "left" }}>
<code>{renderedContent}</code>
</pre>
</div>
);
});
export default Ansi;