express-request-id


> Generates UUID for request and add it to header.

Install

``sh
npm install express-request-id
`

Usage

`js
import express from 'express';
import requestID from 'express-request-id';

app.use(requestID());

app.get('/', function (req, res, next) {
res.send(req.id);
next();
});

app.listen(3000, function() {
console.log('Listening on port %d', server.address().port);
});

// curl localhost:3000
// d7c32387-3feb-452b-8df1-2d8338b3ea22
`

API

$3

#### options

Type: object

##### generator

Type: function
Default: func(req) { return uuidv4(); }

Defines function, that generated ID from request. By default used uuid module, that generated UUID V4 for every request.

##### headerName

Type: string
Default: X-Request-Id

Defines name of header, that should be used for request ID checking and setting.

##### setHeader

Type: bool
Default: true

If false` – header will not be set.