node/deps/npm/node_modules/make-fetch-happen/warning.js
Myles Borins 2e54524955
deps: update npm to 7.0.0-rc.3
PR-URL: https://github.com/nodejs/node/pull/35474
Reviewed-By: Ruy Adorno <ruyadorno@github.com>
Reviewed-By: Ujjwal Sharma <ryzokuken@disroot.org>
Reviewed-By: Ben Coe <bencoe@gmail.com>
Reviewed-By: Geoffrey Booth <webmaster@geoffreybooth.com>
Reviewed-By: Rich Trott <rtrott@gmail.com>
Reviewed-By: Shelley Vohr <codebytere@gmail.com>
Reviewed-By: Guy Bedford <guybedford@gmail.com>
Reviewed-By: Matteo Collina <matteo.collina@gmail.com>
2020-10-07 09:59:49 -04:00

25 lines
864 B
JavaScript

const url = require('url')
module.exports = setWarning
function setWarning (reqOrRes, code, message, replace) {
// Warning = "Warning" ":" 1#warning-value
// warning-value = warn-code SP warn-agent SP warn-text [SP warn-date]
// warn-code = 3DIGIT
// warn-agent = ( host [ ":" port ] ) | pseudonym
// ; the name or pseudonym of the server adding
// ; the Warning header, for use in debugging
// warn-text = quoted-string
// warn-date = <"> HTTP-date <">
// (https://tools.ietf.org/html/rfc2616#section-14.46)
const host = new url.URL(reqOrRes.url).host
const jsonMessage = JSON.stringify(message)
const jsonDate = JSON.stringify(new Date().toUTCString())
const header = replace ? 'set' : 'append'
reqOrRes.headers[header](
'Warning',
`${code} ${host} ${jsonMessage} ${jsonDate}`
)
}