logging2file

Logging to file synchronized.

• install

npm install --save logging2file

• demo

const filePath = '/tmp/logging2file.log'
// create logging file: /tmp/logging2file.log
const logger = require('logging2file').createLogger(filePath);

// set logging level. (default: info)
logger.debug('This', 'is', 'debug', 'message');
logger.info('End logging.');

// reopen logging file when using linux's logrotate command.
logger.reloadLog();

/*
// reopen logging file and truncate the content.
logger.truncateLog();

// register pm2 action "reloadLoggingFile" when running with pm2
logger.reloadLogOnPm2Action();

// register pm2 action "truncateLoggingFile" when running with pm2
logger.truncateLogOnPm2Action();
*/

// check the content
console.log(`cat ${ filePath }`);
require('child_process').exec(`cat ${ filePath }`, (err, out) => {
    if (err) { console.error(err); }
    if (out) { console.log(out); }
});

• Reload logging file with pm2-trigger-action
  (LoggingFile method: reloadLogOnPm2Action)

pm2 trigger <id> action reloadLoggingFile [ <message> ]

• Truncate logging file with pm2-trigger-action
  (LoggingFile methods: truncateLogOnPm2Action)

pm2 trigger <id> action truncateLoggingFile [ <message> ]