'use strict';

const log4js = require('log4js');

const opts = {
  appenders: {
    customized: {
      type: 'stdout',
      layout: {
        type: 'pattern',
        pattern: '%[[%d] [%5p] [%c](%3l)%] %m',
      },
    },
  },
  categories: {
    default: {
      appenders: ['customized'],
      level: 'debug',
      enableCallStack: true,
    },
  },
};

const logger = log4js.configure(opts).getLogger('TEST');

logger.error('before set level');
logger.level = 'info';
logger.error('after set level');