Usage no npm install needed!

<script type="module">
  import log4Nodejs from 'https://cdn.skypack.dev/log4-nodejs';
</script>

README

log4-nodejs

Printf-like message formatting
Configure log level visbility threshold through LOG_LEVEL env variable (defaults to notice)
Extra debug output can be controlled via LOG_DEBUG env variable (fallbacks to DEBUG if provided)
Outputs colored logs if terminal supports it (can overriden through DEBUG_COLORS env variable)
Object inspection depth defaults to 4, but can be overriden via LOG_INSPECT_DEPTH (fallbacks to DEBUG_DEPTH if provided)
Writes to stderr stream.

At beginning of main module of your program invoke:

require("log4-nodejs")();

$ npm test