express-middleware-elapsedtime

Record each express middleware elapsed time.

Install

npm i --save express-middleware-elapsedtime

Usage

var express = require('express')
var app = express()

var expressMiddlewareElapsedtime = require('express-middleware-elapsedtime')

// it's truly recommend enable this middleware only in developing envrionment
if (process.env.NODE_ENV !== 'production') {
  app.use(expressMiddlewareElapsedtime())
}

API

var expressMiddlewareElapsedtime = require('express-middleware-elapsedtime')

expressMiddlewareElapsedtime(options)

Options

Options for this middleware.

key

The key for data saved, defaults to _elapsedtimes.

hanlder (err, req, res)

When a request done, this handler will called.

All middleware elapsed time will save at req._elapsedtimes by default.

app.use(expressMiddlewareElapsedtime({
  key: 'yourCustomkey',
  hanlder: function (err, req, res) {
    console.log(req.yourCustomkey)
  }
}))