logger

Generic logger with intergrations for e.g. Sentry

import makeLogger from '@trojs/logger';

const logger = makeLogger({
  level: 'info', 
  service: 'user-service',
  loggers: [
    {
      type: 'console'
    },
    {
      type: 'sentry',
      level: 'error',
      location: 'https://[email protected]/1234567'
    }
  ]
})

try {
  throw new Error('example')
} catch(error) {
  logger.error(error, { whatever: "is sent as extra" });
}

level

default: info

Log only if info.level less than or equal to this level

More info see: https://www.npmjs.com/package/winston#logging-levels

service

default: user-service

Loggers:

Set of logging targets for info messages

default:

[
  {
    type: 'console'
  }
]

Types:

• sentry
• errorFile
• combinedFile
• console

The default loggers are overruled by the loggers in the loggers array.

It use winston transports for all logger types. More info see: https://www.npmjs.com/package/winston#transports

sentry

• location (sentry.dsn)
• environment (default: production, sentry.environment)
• serverName (default: localhost, sentry.serverName)
• release (default: unknown, sentry.release)
• debug (default: false, sentry.debug)
• sampleRate (default: 1, sentry.sampleRate)
• tracesSampleRate (default: 1, senty.tracesSampleRate)
• level (default: info)

DSN:

The DSN tells the SDK where to send the events. If this value is not provided, the SDK will try to read it from the SENTRY_DSN environment variable. If that variable also does not exist, the SDK will just not send any events.

More info:

• https://github.com/aandrewww/winston-transport-sentry-node
• https://docs.sentry.io/platforms/node/
• https://docs.sentry.io/platforms/javascript/

errorFile

• location (default: error.log)
• level (default: error)

combinedFile

• location (default: combined.log)

console

• level (default: trace)
• debug (default: false, stacktrace in console)
• format (default: simple, also possible to set to json which is useful for different log systems)