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daytona
cli: handle light terminal theme
+50
-1
+50
-1
apps/cli/src/theme.ts
+50
-1
apps/cli/src/theme.ts
···
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1
import chalk from "chalk";
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import { execSync } from "child_process";
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import * as fs from "fs";
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function detectLightTerminal(): boolean {
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// VS Code terminal
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const vscodeTheme = process.env.VSCODE_THEME_KIND;
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if (vscodeTheme) {
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return vscodeTheme === "vscode-light" || vscodeTheme === "vscode-high-contrast-light";
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}
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// COLORFGBG — set by xterm, iTerm2, etc. ("fg;bg", bg >= 8 = light)
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const colorfgbg = process.env.COLORFGBG;
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if (colorfgbg) {
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const parts = colorfgbg.split(";");
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const bg = parseInt(parts[parts.length - 1] ?? "", 10);
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if (!isNaN(bg)) return bg >= 8;
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}
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// OSC 11 background color query — works with Apple Terminal, iTerm2, etc.
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// stty is redirected from /dev/tty explicitly because execSync pipes stdio,
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// which means stty would otherwise fail to find the terminal.
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if (process.stdout.isTTY) {
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try {
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const savedState = execSync("stty -g </dev/tty 2>/dev/null", { encoding: "utf8" }).trim();
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try {
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const tty = fs.openSync("/dev/tty", "r+");
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execSync("stty raw -echo min 0 time 5 </dev/tty 2>/dev/null");
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fs.writeSync(tty, "\x1b]11;?\x07");
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const buf = Buffer.alloc(64);
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const n = fs.readSync(tty, buf, 0, 64, null);
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fs.closeSync(tty);
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const resp = buf.slice(0, n).toString();
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const m = resp.match(/rgb:([0-9a-f]+)\/([0-9a-f]+)\/([0-9a-f]+)/i);
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if (m?.[1] && m[2] && m[3]) {
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// Components can be 2 or 4 hex digits; normalize to 0-255
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const norm = (h: string) => parseInt(h.slice(0, 2), 16);
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const r = norm(m[1]), g = norm(m[2]), b = norm(m[3]);
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return 0.299 * r + 0.587 * g + 0.114 * b > 127;
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}
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} finally {
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execSync(`stty ${savedState} </dev/tty 2>/dev/null`);
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}
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} catch {}
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}
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return false;
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}
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const isLightTerminal = detectLightTerminal();
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export const c = {
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primary: (s: string | number) => chalk.rgb(0, 232, 198)(s),
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secondary: (s: string | number) => chalk.rgb(0, 198, 232)(s),
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accent: (s: string | number) => chalk.rgb(130, 100, 255)(s),
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highlight: (s: string | number) => chalk.rgb(100, 232, 130)(s),
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-
muted: (s: string | number) => chalk.rgb(200, 210, 220)(s),
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muted: (s: string | number) => isLightTerminal ? chalk.black(s) : chalk.rgb(200, 210, 220)(s),
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link: (s: string | number) => chalk.rgb(255, 160, 100)(s),
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sky: (s: string | number) => chalk.rgb(0, 210, 255)(s),
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error: (s: string | number) => chalk.rgb(255, 100, 100)(s),