Add the noProxy option. Will be usefull for yarn to support the noProxy in the .npmrc

README.md

@@ -833,6 +833,7 @@ The first argument can be either a `url` or an `options` object. The only requir
 
 - `localAddress` - local interface to bind for network connections.
 - `proxy` - an HTTP proxy to be used. Supports proxy Auth with Basic Auth, identical to support for the `url` parameter (by embedding the auth info in the `uri`)
+- `noProxy` - no_proxy option
 - `strictSSL` - if `true`, requires SSL certificates be valid. **Note:** to use your own certificate authority, you need to specify an agent that was created with that CA as an option.
 - `tunnel` - controls the behavior of
   [HTTP `CONNECT` tunneling](https://en.wikipedia.org/wiki/HTTP_tunnel#HTTP_CONNECT_tunneling)

lib/getProxyFromURI.js

@@ -1,41 +1,6 @@
 'use strict'
 
-function formatHostname (hostname) {
-  // canonicalize the hostname, so that 'oogle.com' won't match 'google.com'
-  return hostname.replace(/^\.*/, '.').toLowerCase()
-}
-
-function parseNoProxyZone (zone) {
-  zone = zone.trim().toLowerCase()
-
-  var zoneParts = zone.split(':', 2)
-  var zoneHost = formatHostname(zoneParts[0])
-  var zonePort = zoneParts[1]
-  var hasPort = zone.indexOf(':') > -1
-
-  return {hostname: zoneHost, port: zonePort, hasPort: hasPort}
-}
-
-function uriInNoProxy (uri, noProxy) {
-  var port = uri.port || (uri.protocol === 'https:' ? '443' : '80')
-  var hostname = formatHostname(uri.hostname)
-  var noProxyList = noProxy.split(',')
-
-  // iterate through the noProxyList until it finds a match.
-  return noProxyList.map(parseNoProxyZone).some(function (noProxyZone) {
-    var isMatchedAt = hostname.indexOf(noProxyZone.hostname)
-    var hostnameMatched = (
-      isMatchedAt > -1 &&
-        (isMatchedAt === hostname.length - noProxyZone.hostname.length)
-    )
-
-    if (noProxyZone.hasPort) {
-      return (port === noProxyZone.port) && hostnameMatched
-    }
-
-    return hostnameMatched
-  })
-}
+var uriInNoProxy = require('./uriInNoProxy')
 
 function getProxyFromURI (uri) {
   // Decide the proper request proxy to use based on the request URI object and the
@@ -44,15 +9,9 @@ function getProxyFromURI (uri) {
 
   var noProxy = process.env.NO_PROXY || process.env.no_proxy || ''
 
-  // if the noProxy is a wildcard then return null
-
-  if (noProxy === '*') {
-    return null
-  }
-
-  // if the noProxy is not empty and the uri is found return null
+  // if the uri uri is found in the noProxy return null
 
-  if (noProxy !== '' && uriInNoProxy(uri, noProxy)) {
+  if (uriInNoProxy(uri, noProxy)) {
     return null
   }
 

lib/uriInNoProxy.js

@@ -0,0 +1,52 @@
+'use strict'
+
+function formatHostname (hostname) {
+  // canonicalize the hostname, so that 'oogle.com' won't match 'google.com'
+  return hostname.replace(/^\.*/, '.').toLowerCase()
+}
+
+function parseNoProxyZone (zone) {
+  zone = zone.trim().toLowerCase()
+
+  var zoneParts = zone.split(':', 2)
+  var zoneHost = formatHostname(zoneParts[0])
+  var zonePort = zoneParts[1]
+  var hasPort = zone.indexOf(':') > -1
+
+  return {hostname: zoneHost, port: zonePort, hasPort: hasPort}
+}
+
+function uriInNoProxy (uri, noProxy) {
+  // if noProxy is empty, null of undefined, return false
+
+  if (!noProxy) {
+    return false
+  }
+
+  // if the noProxy is a wildcard then return true
+
+  if (noProxy === '*') {
+    return true
+  }
+
+  var port = uri.port || (uri.protocol === 'https:' ? '443' : '80')
+  var hostname = formatHostname(uri.hostname)
+  var noProxyList = noProxy.split(',')
+
+  // iterate through the noProxyList until it finds a match.
+  return noProxyList.map(parseNoProxyZone).some(function (noProxyZone) {
+    var isMatchedAt = hostname.indexOf(noProxyZone.hostname)
+    var hostnameMatched = (
+      isMatchedAt > -1 &&
+      (isMatchedAt === hostname.length - noProxyZone.hostname.length)
+    )
+
+    if (noProxyZone.hasPort) {
+      return (port === noProxyZone.port) && hostnameMatched
+    }
+
+    return hostnameMatched
+  })
+}
+
+module.exports = uriInNoProxy

request.js

@@ -19,6 +19,7 @@ var isTypedArray = require('is-typedarray').strict
 var helpers = require('./lib/helpers')
 var cookies = require('./lib/cookies')
 var getProxyFromURI = require('./lib/getProxyFromURI')
+var uriInNoProxy = require('./lib/uriInNoProxy')
 var Querystring = require('./lib/querystring').Querystring
 var Har = require('./lib/har').Har
 var Auth = require('./lib/auth').Auth
@@ -275,6 +276,9 @@ Request.prototype.init = function (options) {
 
   if (!self.hasOwnProperty('proxy')) {
     self.proxy = getProxyFromURI(self.uri)
+  } else if (uriInNoProxy(self.uri, self.noProxy)) {
+    // noProxy option only operate over the proxy option, not over env vars
+    self.proxy = null
   }
 
   self.tunnel = self._tunnel.isEnabled()

tests/test-proxy.js

@@ -264,6 +264,16 @@ function addTests () {
       }
     }, true)
 
+    runTest('noProxy used with explicit proxy passed', {
+      proxy: s.url,
+      noProxy: '*'
+    }, false)
+
+    runTest('noProxy used with explicit proxy passed', {
+      proxy: s.url,
+      noProxy: 'google.com'
+    }, false)
+
     // misc
 
     // this fails if the check 'isMatchedAt > -1' in lib/getProxyFromURI.js is