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