drop-in node.js chalk replacement using util.styleText. < 2k bytes unminified, 600 bytes minified, 394 min + gzip

minichalk.mjs

import util from 'node:util';

/** @typedef {Extract<Parameters<typeof util.styleText>[0], string>} TextStyle */
// prettier-ignore
const baseColors = /** @type {const} */ (
  ['black', 'blue', 'cyan', 'green', 'gray', 'grey', 'magenta', 'red', 'white', 'yellow']
);
/** @typedef {typeof baseColors[number]} BaseColor */
const colorsAndBg = /** @type {const} */ (['bg', '']).flatMap(
  /** @template T @param {T} p @returns {p extends '' ? BaseColor : `${p}${Capitalize<BaseColor>}`} */ (
    p
  ) => baseColors.map((b) => `${p}${p ? b[0].toUpperCase() + b.slice(1) : b}`)
);
/** @type {(c: typeof colorsAndBg[number]) => c is Extract<typeof c, `${string}y`>} */
const isGrey = (c) => /y$/.test(c);
const allColors = colorsAndBg.flatMap((c) =>
  isGrey(c) ? c : /** @type {const} */ ([c, `${c}Bright`])
);
// prettier-ignore
const modifiers = /** @type {const} */ ([
  'reset', 'bold', 'italic', 'dim', 'blink', 'inverse', 'hidden', 'none',
  'underline', 'doubleunderline', 'strikethrough', 'framed', 'overlined',
]);
/** @typedef {typeof allColors[number] | typeof modifiers[number]} KnownColor */
/** @typedef {{[K in KnownColor]: MiniChalk} & {styles: TextStyle[]} & (text: string) => string} MiniChalk */
const chalkProperties = Object.fromEntries(
  [...allColors, ...modifiers].map(
    /** @returns {[KnownColor, PropertyDescriptor]} */ (color) => [
      color,
      // prettier-ignore
      { enumerable: true, get() { return createChalk([...this.styles, color]) } },
    ]
  )
);
/**
 * @param {TextStyle[]} styles
 * @returns {MiniChalk}
 */
const createChalk = (styles) => {
  const chalk = (text) => util.styleText(styles, text);
  Object.defineProperties(chalk, chalkProperties);
  chalk.styles = styles;
  return chalk;
};
export const chalk = createChalk([]);
export default chalk;