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loglevel-colored-level-prefix

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loglevel-colored-level-prefix

loglevel plugin that adds colored level prefix (node only)

  • 1.0.0
  • latest
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  • npm
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830K
decreased by-5.2%
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What is loglevel-colored-level-prefix?

The loglevel-colored-level-prefix package is an extension for the loglevel logging library that adds colored level prefixes to log messages. This helps in distinguishing log levels visually, making it easier to read and debug logs.

What are loglevel-colored-level-prefix's main functionalities?

Colored Level Prefixes

This feature adds colored prefixes to log messages based on their level (info, warn, error, etc.). The colors help in quickly identifying the severity of the messages.

const log = require('loglevel');
const prefix = require('loglevel-colored-level-prefix');

prefix.apply(log);

log.info('This is an info message');
log.warn('This is a warning message');
log.error('This is an error message');

Custom Prefix Format

This feature allows you to customize the format of the log message prefixes. You can define a template that includes the log level, timestamp, and message.

const log = require('loglevel');
const prefix = require('loglevel-colored-level-prefix');

prefix.apply(log, {
  template: '[%l] %t: %m',
  level: 'info'
});

log.info('This is an info message');
log.warn('This is a warning message');
log.error('This is an error message');

Custom Colors

This feature allows you to customize the colors used for different log levels. You can use any color supported by the chalk library.

const log = require('loglevel');
const prefix = require('loglevel-colored-level-prefix');

prefix.apply(log, {
  level: 'info',
  format: {
    info: chalk.blue,
    warn: chalk.yellow,
    error: chalk.red
  }
});

log.info('This is an info message');
log.warn('This is a warning message');
log.error('This is an error message');

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Package last updated on 27 Feb 2017

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