Generate UUID for request and add it to headers. 

floatdrop

express-request-id

Generate UUID for request and add it to headers

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    options.uuidVersion = options.uuidVersion || 'v4';

    options.setHeader = options.setHeader !== false;

    options.setHeader = options.setHeader === undefined || !!options.setHeader;

        req.id = uuid[options.uuidVersion](options, options.buffer, options.offset);

            res.setHeader('X-Request-Id', req.id);

  "description": "Generate UUID for request and add it to headers",

    "url": "https://github.com/floatdrop/express-request-id"

  "author": "Vsevolod Strukchinsky <floatdrop@gmail.com>",

    "url": "https://github.com/floatdrop/express-request-id/issues"

  "homepage": "https://github.com/floatdrop/express-request-id",

# express-request-id [![NPM version][npm-image]][npm-url] [![Build Status][travis-image]][travis-url]

> Generate UUID for request and add it to headers

Generate UUID for request and add it to `X-Request-Id` header.

var addRequestId = require('express-request-id')();

    console.log('Listening on port %d', server.address().port);

Returns middleware function, that appends request id to req object.

 * `uuidVersion` - version of uuid to use (defaults to `v4`). Can be one of methods from [node-uuid](https://github.com/broofa/node-uuid).

 * `setHeader` - boolean, indicates that header should be added to response (defaults to `true`).

This options fields are passed to node-uuid functions directly:

 * Whole `options` object, that can contain fields like: `node`, `clockseq`, `msecs`, `nsecs`.

 * `options.buffer` and `options.offset` to uuid function as second and third parameters.

[npm-url]: https://npmjs.org/package/express-request-id

[npm-image]: http://img.shields.io/npm/v/express-request-id.svg

[travis-url]: https://travis-ci.org/floatdrop/express-request-id

[travis-image]: http://img.shields.io/travis/floatdrop/express-request-id.svg

		{
		"name": "express-request-id",
		"version": "1.0.0",
		"version": "1.1.0",
		"description": "Generate UUID for request and add it to headers",
		@@ -5,0 +5,0 @@ "main": "index.js",

		# express-request-id [![NPM version][npm-image]][npm-url] [![Build Status][travis-image]][travis-url]
		> Generate UUID for request and add it to headers

		Generate UUID for request and add it to `X-Request-Id` header.

		```js
		@@ -42,3 +43,3 @@

		MIT (c) 2013 Vsevolod Strukchinsky (floatdrop@gmail.com)
		MIT (c) 2014 Vsevolod Strukchinsky (floatdrop@gmail.com)

		@@ -45,0 +46,0 @@ [npm-url]: https://npmjs.org/package/express-request-id

Improved metrics

Worsened metrics

		@@ -8,3 +8,3 @@ 'use strict';
		options.uuidVersion = options.uuidVersion \|\| 'v4';
		options.setHeader = options.setHeader !== false;
		options.setHeader = options.setHeader === undefined \|\| !!options.setHeader;

		@@ -11,0 +11,0 @@ return function (req, res, next) {