Node Logger

Very basic reusable node logging package. For use in node scripts only, not for browser use. A way to standardize log output for your users.

Features:

• Colored Log Output
• Warning Style
• Error Style
• Unordered list (from array)
• Ordered list (from array)
• Memory Usage
• Time Duration
• Configurable

Usage

Fake example of basic usage below.

  // Pass options to create a new logger instance
  const logger = require("@ulu/node-logger")({
    title: "File Remover", // The title prefix for all log outputs
  });
  
  logger.warn("You are missing your configuration file, using defualts");

  const filesRemoved = removeFiles(); // Example

  logger.list("The following files were removed:", filesRemoved);

Methods

• log(...messages)** - Output standard style log
• required(...messages) - Always output messages (regardless of options.enabled)
• error(...messages) - Output always output error styled log
• warn(...messages) - Output warning styled log
• list(title, array) - Output bullet list styled log with a title
• listOrdered(title, array) - Output ordered (1, 2, 3) list styled log with a title
• devLog(...messages) - Output standard style log for developer, Uses the 'options.devEnabled' flag for output condition. Adds options.devTitle prefix
• memory(scriptProcess, ...messages) - Display a dev log of the passed processes memory usage, plus any additional messages, process should be the process you want the memory output from ie process
• time(label) | Start a timer, optional label if using multiple at once
• timeEnd(label, ...messages) | Stop timer and output duration, plus any other messages a timer, optional label if using multiple at once

Options

For color settings see Chalk library for available colors.

• enabled {Boolean|Function} - Whether to output logs (default true),
• title {String} - Title to prefix the log
• subtitle {String} - Secondary title prefix (default false)
• devTitle {String} - Dev log title prefix
• devEnabled {Boolean|Function} - Whether to output dev type logs
• colorTitle {String} - (default green)
• colorSubtitle {String} - default green)
• colorError {String} - (default red)
• colorWarning {String} - (default yellow)
• colorDev {String} - (default magenata)