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

    options.headerName = options.headerName || 'X-Request-Id';

    options.attributeName = options.attributeName || 'id';

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

        req[options.attributeName] = req.header(options.headerName) || uuid[options.uuidVersion](options, options.buffer, options.offset);

            res.setHeader(options.headerName, req.id);

            res.setHeader(options.headerName, req[options.attributeName]);

  "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 `X-Request-Id` header. In case request contains `X-Request-Id` header, uses its value instead.

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`).

 * `headerName` - string, indicates the header name to use (defaults to `X-Request-Id`).

 * `attributeName` - string, indicates the attribute name used for the identifier on the request object (defaults to `id`)

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": "1.3.0",
		"version": "1.4.0",
		"description": "Generate UUID for request and add it to headers",
		@@ -5,0 +5,0 @@ "main": "index.js",

		@@ -10,7 +10,8 @@ 'use strict';
		options.headerName = options.headerName \|\| 'X-Request-Id';
		options.attributeName = options.attributeName \|\| 'id';

		return function (req, res, next) {
		req.id = req.header(options.headerName) \|\| uuid[options.uuidVersion](options, options.buffer, options.offset);
		req[options.attributeName] = req.header(options.headerName) \|\| uuid[options.uuidVersion](options, options.buffer, options.offset);
		if (options.setHeader) {
		res.setHeader(options.headerName, req.id);
		res.setHeader(options.headerName, req[options.attributeName]);
		}
		@@ -17,0 +18,0 @@ next();

		@@ -36,2 +36,3 @@ # express-request-id [![NPM version][npm-image]][npm-url] [![Build Status][travis-image]][travis-url]
		* `headerName` - string, indicates the header name to use (defaults to `X-Request-Id`).
		* `attributeName` - string, indicates the attribute name used for the identifier on the request object (defaults to `id`)

		@@ -38,0 +39,0 @@ This options fields are passed to node-uuid functions directly:

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