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express-mw-correlation-id
Advanced tools
Readme
Correlates HTTP requests between a client and server
const setCorrelationId = require('express-mw-correlation-id')
**setCorrelationId([string, defaults to X-Request-ID], [formatter=identity])
X-Request-ID
header but to use a custom header instead just pass the name in the first parameterreq.id now is expose to be used internally by the api/service is using the express-mw-correlation-id
middleware
const express = require('express')
const setCorrelationId = require('express-mw-correlation-id')
const app = express()
app.use(setCorrelationId())
// `req.id` hold the correlation/request id
app.get('/', (req, res) => { res.send(req.id) })
app.listen(3000)
app.use(setCorrelationId('X-Custom-ID'))
app.use(setCorrelationId('X-Custom-ID', (id) => id))
app.use(setCorrelationId((id) => id))
client
curl -v http://localhost:3000
* Rebuilt URL to: http://localhost:3000/
* Trying ::1...
* Connected to localhost (::1) port 3000 (#0)
> GET / HTTP/1.1
> Host: localhost:3000
> User-Agent: Mozilla/5.0 (compatible; MSIE 9.0; Windows NT 6.1; Trident/5.0)
> Accept: */*
> Referer:
>
< HTTP/1.1 200 OK
< X-Powered-By: Express
< X-Request-ID: 825efe65-a27d-4dca-936b-e74249095fb7
< Content-Type: text/html; charset=utf-8
< Content-Length: 11
< ETag: W/"b-sQqNsWTgdUEFt6mb5y4/5Q"
< Date: Thu, 08 Dec 2016 10:22:44 GMT
< Connection: keep-alive
<
* Connection #0 to host localhost left intact
825efe65-a27d-4dca-936b-e74249095fb7
X-Request-ID should come with the headers
FAQs
express middleware that correlates HTTP requests between a client and server
The npm package express-mw-correlation-id receives a total of 386 weekly downloads. As such, express-mw-correlation-id popularity was classified as not popular.
We found that express-mw-correlation-id demonstrated a not healthy version release cadence and project activity because the last version was released a year ago. It has 3 open source maintainers collaborating on the project.
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