uses-proxy
Check if a url shall be proxied through a http(s) proxy
Implements the recommendations from https://about.gitlab.com/blog/2021/01/27/we-need-to-talk-no-proxy/
Detects and uses http(s)_proxy and no_proxy environment variables.
- Environment variables lowercase precedence.
no_proxycomes beforeNO_PROXY - Matches suffixes
- Does not strip leading
. -
*matches all hosts - No support for regexes.
- Supports CIDR Blocks
- Does not match loopback IPs
usage
npm i uses-proxy
import { usesProxy, shouldProxy } from 'uses-proxy'
const {
proxyUri, // proxy uri from https_proxy, http_proxy, ...
protocol, // used protocol of proxy
noProxy // no_proxy env var content
} = usesProxy()
const matcher = shouldProxy({
proxyUri,
noProxy: noProxy || 'localhost,.tempuri.org'
})
matcher('localhost') // >> false
matcher('test.com') // >> true
matcher('test.tempuri.org') // >> false
matcher('tempuri.org') // >> truelicense
MIT licensed