_log.ts

import type util from "node:util";

export const log = (...args: any[]) => {
  console.log(...args);
};

export const debuglog: typeof util.debuglog = (section, _cb) => {
  const fn = (msg: string, ...params: any[]) => {
    if (fn.enabled) {
      console.debug(`[${section}] ${msg}`, ...params);
    }
  };
  fn.enabled = true;
  return fn;
};

export const debug: typeof util.debug = debuglog;

// @ts-ignore
export const inspect: typeof util.inspect = (object) =>
  JSON.stringify(object, null, 2);

export const format: typeof util.format = (...args) => _format(...args);

export const formatWithOptions: typeof util.formatWithOptions = (
  _options,
  ...args
) => _format(...args);

// Source: https://github.com/tmpfs/format-util/blob/0c989942c959b179eec294a4e725afd63e743f18/format.js
function _format(fmt: string, ...args: any[]) {
  const re = /(%?)(%([djos]))/g;
  if (args.length > 0) {
    fmt = fmt.replace(re, (match, escaped, ptn, flag) => {
      let arg = args.shift();
      switch (flag) {
        case "o":
          if (Array.isArray(arg)) {
            arg = JSON.stringify(arg);
            break;
          }
          break;
        case "s":
          arg = "" + arg;
          break;
        case "d":
          arg = Number(arg);
          break;
        case "j":
          arg = JSON.stringify(arg);
          break;
      }
      if (!escaped) {
        return arg;
      }
      args.unshift(arg);
      return match;
    });
  }

  // arguments remain after formatting
  if (args.length > 0) {
    fmt += " " + args.join(" ");
  }

  // update escaped %% values
  fmt = fmt.replace(/%{2}/g, "%");

  return "" + fmt;
}