Styles and colors for CLIs in TypeScript. Try it on https://replit.com/@pushkine/ColdTautSpools#index.ts

colors.cli.ts

/** MIT License github.com/pushkine */
export const color = (function <C extends readonly any[], M extends {}>(colors: C, mods: M) {
    const fn = (c1: number, c2: number, str: string) => `\x1b[${c1}m${str}\x1b[${c2}m`;
    const fnc = (c1: number, str: string) => fn(c1, 39, str.replace(/\x1b\[39m/g, `\x1b[${c1}m`));
    const obj = { unstyle: (str: string) => str.replace(/\x1b\[[0-9]{1,2}m/g, ""), grey: fnc.bind(null, 90) };
    for (let i = 0; i < colors.length; i++) obj[colors[i]] = fnc.bind(null, 30 + i);
    for (const key in mods) obj["" + key] = fn.bind(null, mods[key][0], mods[key][1]);
    return obj as { [K in C[any] | keyof M | keyof typeof obj]: (str: string) => string };
})(
    ["black", "red", "green", "yellow", "blue", "magenta", "cyan", "white"] as const,
    { bold: [1, 22], italic: [3, 23], underline: [4, 24], hidden: [8, 28] } as const
);

// Usage

console.log(
	color.yellow(
		[
			color.cyan("[info]"),
			color.bold(color.underline("Easy")),
			color.magenta(`~Fancy~`),
			color.blue(color.italic("type") + "safe"),
			color.green("dependency-free"),
			color.italic("logs!"),
			color.grey(`+ more on ${color.underline("gist.github.com/pushkine")}`),
		].join(" "),
	),
);