Files
clawdbot/src/cli/banner.ts
Peter Steinberger c379191f80 chore: migrate to oxlint and oxfmt
Co-authored-by: Christoph Nakazawa <christoph.pojer@gmail.com>
2026-01-14 15:02:19 +00:00

96 lines
3.4 KiB
TypeScript

import { resolveCommitHash } from "../infra/git-commit.js";
import { isRich, theme } from "../terminal/theme.js";
import { pickTagline, type TaglineOptions } from "./tagline.js";
type BannerOptions = TaglineOptions & {
argv?: string[];
commit?: string | null;
richTty?: boolean;
};
let bannerEmitted = false;
const graphemeSegmenter =
typeof Intl !== "undefined" && "Segmenter" in Intl
? new Intl.Segmenter(undefined, { granularity: "grapheme" })
: null;
function splitGraphemes(value: string): string[] {
if (!graphemeSegmenter) return Array.from(value);
try {
return Array.from(graphemeSegmenter.segment(value), (seg) => seg.segment);
} catch {
return Array.from(value);
}
}
const hasJsonFlag = (argv: string[]) =>
argv.some((arg) => arg === "--json" || arg.startsWith("--json="));
const hasVersionFlag = (argv: string[]) =>
argv.some((arg) => arg === "--version" || arg === "-V" || arg === "-v");
export function formatCliBannerLine(version: string, options: BannerOptions = {}): string {
const commit = options.commit ?? resolveCommitHash({ env: options.env });
const commitLabel = commit ?? "unknown";
const tagline = pickTagline(options);
const rich = options.richTty ?? isRich();
const title = "🦞 Clawdbot";
if (rich) {
return `${theme.heading(title)} ${theme.info(version)} ${theme.muted(
`(${commitLabel})`,
)} ${theme.muted("—")} ${theme.accentDim(tagline)}`;
}
return `${title} ${version} (${commitLabel}) — ${tagline}`;
}
const LOBSTER_ASCII = [
"░████░█░░░░░█████░█░░░█░███░░████░░████░░▀█▀",
"█░░░░░█░░░░░█░░░█░█░█░█░█░░█░█░░░█░█░░░█░░█░",
"█░░░░░█░░░░░█████░█░█░█░█░░█░████░░█░░░█░░█░",
"█░░░░░█░░░░░█░░░█░█░█░█░█░░█░█░░█░░█░░░█░░█░",
"░████░█████░█░░░█░░█░█░░███░░████░░░███░░░█░",
" 🦞 FRESH DAILY 🦞",
];
export function formatCliBannerArt(options: BannerOptions = {}): string {
const rich = options.richTty ?? isRich();
if (!rich) return LOBSTER_ASCII.join("\n");
const colorChar = (ch: string) => {
if (ch === "█") return theme.accentBright(ch);
if (ch === "░") return theme.accentDim(ch);
if (ch === "▀") return theme.accent(ch);
return theme.muted(ch);
};
const colored = LOBSTER_ASCII.map((line) => {
if (line.includes("FRESH DAILY")) {
return (
theme.muted(" ") +
theme.accent("🦞") +
theme.info(" FRESH DAILY ") +
theme.accent("🦞")
);
}
return splitGraphemes(line).map(colorChar).join("");
});
return colored.join("\n");
}
export function emitCliBanner(version: string, options: BannerOptions = {}) {
if (bannerEmitted) return;
const argv = options.argv ?? process.argv;
if (!process.stdout.isTTY) return;
if (hasJsonFlag(argv)) return;
if (hasVersionFlag(argv)) return;
const line = formatCliBannerLine(version, options);
process.stdout.write(`\n${line}\n\n`);
bannerEmitted = true;
}
export function hasEmittedCliBanner(): boolean {
return bannerEmitted;
}