adonis logger

logger.js

'use strict'

const colors = use('colors/safe')

const Env = use('Env')

const colorStatus = function (status) {
  let colorFn = status >= 500 ? colors.red // red
    : status >= 400 ? colors.yellow // yellow
    : status >= 300 ? colors.cyan // cyan
    : status >= 200 ? colors.green // green
    : null // no color

  return colorFn ? colorFn(status) : status
}

class Logger {

  async handle ({ request, response }, next) {
    // Get high resolution real time at the start of the request
    let t = process.hrtime()

    // Pass to next middleware
    await next()

    // Get time difference to request start time
    t = process.hrtime(t)

    // Color status, output method, url, status and time
    const status = colorStatus(response.response.statusCode)
    const ms = colors.yellow(`${ ( (t[ 0 ] * 1000 + t[ 1 ] / 1000) / 1000).toFixed(2) } ms`)
    const params = colors.gray( JSON.stringify( request.all() ) )
    console.log(`[${request.method()} - ${status}] [${ms}] ${request.url()} | ${params}`)
  }
}

module.exports = Logger