Sha256: 7c6b5cd952a66b63645e0e6cb32a5392b3ac82e804054a5c468df1058ce6ffa7
Contents?: true
Size: 875 Bytes
Versions: 17
Compression:
Stored size: 875 Bytes
Contents
/*!
* response-time
* Copyright(c) 2011 TJ Holowaychuk
* Copyright(c) 2014 Jonathan Ong
* Copyright(c) 2014 Douglas Christopher Wilson
* MIT Licensed
*/
/**
* Module dependencies
*/
var onHeaders = require('on-headers')
/**
* Reponse time:
*
* Adds the `X-Response-Time` header displaying the response
* duration in milliseconds.
*
* @param {number} [digits=3]
* @return {function}
* @api public
*/
module.exports = function responseTime(digits) {
digits = digits === undefined
? 3
: digits
return function responseTime(req, res, next) {
var startAt = process.hrtime()
onHeaders(res, function () {
if (this.getHeader('X-Response-Time')) return;
var diff = process.hrtime(startAt)
var ms = diff[0] * 1e3 + diff[1] * 1e-6
this.setHeader('X-Response-Time', ms.toFixed(digits) + 'ms')
})
next()
}
}
Version data entries
17 entries across 17 versions & 2 rubygems