clrsole/dist/index.mjs

Colorful `console.log` for structured logging.

import { inspect } from "node:util";
import { PatternLayout, LogFactory, Level } from "base-log-factory";
import { Level as Level2 } from "base-log-factory";
import { DebugAppender } from "blf-debug-appender";
import pc from "picocolors";
function colorText(color, root, messages, depth) {
  for (let i = 0, len = messages.length, tmp; i < len; i++) {
    tmp = messages[i];
    switch (typeof tmp) {
      case "object":
        tmp = inspect(tmp, { depth });
        break;
      case "symbol":
        tmp = tmp.toString();
        break;
    }
    root += ` ${tmp}`;
  }
  return pc[color](root);
}
const clrsole = {};
Object.entries(pc).forEach(([color, fn]) => {
  if (typeof fn === "function") {
    clrsole[color] = (...messages) => {
      console.log(colorText(color, "", messages, Infinity));
    };
  }
});
function createConverter(specifier) {
  if (specifier === "m") {
    return (event) => {
      return event.message.map((msg) => {
        switch (typeof msg) {
          case "object":
            return inspect(msg);
          case "symbol":
            return msg.toString();
          default:
            return msg;
        }
      }).join(" ");
    };
  }
}
const debugAppender = new DebugAppender({
  layout: new PatternLayout(
    "%d{HH:mm:ss} [%p] - %m",
    createConverter
  )
});
const factory = new LogFactory({
  level: Level.WARN,
  appenders: [debugAppender]
});
export {
  Level2 as Level,
  clrsole,
  factory
};