logger in node(v22+)

logger.mjs

import { styleText } from 'node:util';

/** @typedef {Extract<keyof typeof console, 'error' | 'info' | 'log' | 'warn'>} LogLevel */
/** @typedef {Parameters<typeof styleText>[0]} Format */

/** @type {Record<LogLevel, Format>} */
const LOG_COLORS = {
  error: 'red',
  info: 'cyan',
  log: 'reset',
  warn: 'yellow',
};

/**
 * Logs a message to the console with a specified type and optional formatting.
 * @param {LogLevel} type The type of log message.
 * @param {Array<[string, Format?]>} args A tuple containing the text to be written to the log and an optional format string.
 * @returns {void}
 * @example
 * ```
 * logger('error', ['error', 'green'], ['error', ['underline', 'blue']]);
 * ```
 *
 */
export function logger(type, ...args) {
  let msg = '';
  for (const [text, format] of args) {
    const logFormat = format && format.length > 0 ? format : LOG_COLORS[type];
    msg += (msg && ' ') + styleText(logFormat, text);
  }
  console[type](msg);
}