@jovan158/vantage/dist/banner.js

See and control what your coding agent does

// The logo shown by `vantage`, `vantage --help` and `vantage doctor`.
//
// Only in a terminal wide enough for it: piped or redirected output, and
// narrow windows, get the one-line form instead. Plain ASCII, so it renders
// the same in every console and font.
import fs from "node:fs";
import path from "node:path";
import { fileURLToPath } from "node:url";
export const SLOGAN = "See and control what your coding agent does";
const ART = [
    "                    __                          _",
    " _   ______ _____  / /_____ _____ ____   ____ _(_)",
    "| | / / __ `/ __ \\/ __/ __ `/ __ `/ _ \\ / __ `/ /",
    "| |/ / /_/ / / / / /_/ /_/ / /_/ /  __// /_/ / /",
    "|___/\\__,_/_/ /_/\\__/\\__,_/\\__, /\\___(_)__,_/_/",
    "                          /____/",
];
const ART_WIDTH = Math.max(...ART.map((l) => l.length));
export function packageVersion() {
    try {
        const file = path.join(path.dirname(fileURLToPath(import.meta.url)), "..", "package.json");
        return JSON.parse(fs.readFileSync(file, "utf8")).version ?? "";
    }
    catch {
        return "";
    }
}
export function banner(opts) {
    const version = opts.version ?? packageVersion();
    const v = version ? ` · v${version}` : "";
    // The terminal's own text color (white on a dark background, black on a
    // light one), the logo in bold.
    const bold = opts.color ? "\x1b[1m" : "";
    const reset = opts.color ? "\x1b[0m" : "";
    const tagline = `${SLOGAN}${v}`;
    const fits = !opts.columns || opts.columns >= Math.max(ART_WIDTH, tagline.length); // 0: width unknown
    if (!opts.art || !fits)
        return `${bold}vantage.ai${reset} · ${tagline}`;
    return [...ART.map((line) => `${bold}${line}${reset}`), tagline].join("\n");
}
// For stdout as it is now: the logo in a terminal, one line otherwise;
// color unless NO_COLOR is set.
export function bannerForStdout() {
    const tty = Boolean(process.stdout.isTTY);
    return banner({ art: tty, color: tty && !process.env.NO_COLOR, columns: process.stdout.columns });
}