logary

Logary JS 🦋

A library for unified logging, metrics and tracing.

npm add logary

Usage

See the ./examples folder. Here is an example with NextJS:

import { RuttaTarget, getLogary, LogLevel, ConsoleTarget } from 'logary'
import browser from '@logary/plugin-browser'
import nextjs from '@logary/plugin-nextjs'
import react from '@logary/plugin-react'
 
const instance = getLogary({
  minLevel: LogLevel.debug,
  serviceName: 'with-nextjs',
  targets: [
    new ConsoleTarget(),
    new RuttaTarget({ endpoint: 'https://i.logary.tech' })
  ],
  accountId: 'open-source',
  debug: false
})
 
browser(instance)
nextjs(instance)
react(instance)
// more plugins here
 
export default instance

API

Logger

Plain logging:

• verbose
• debug
• info
• warn
• error

Structured events:

• event

Users / UTM tags:

• identify
• setUserProperty

Tracing:

• getTracer