Add proxy-agent

package.json

@@ -24,8 +24,9 @@
   "dependencies": {
     "bluebird": "2",
     "create-error": "0.3",
+    "lodash": "2",
     "needle": "1.6.0",
-    "lodash": "2"
+    "proxy-agent": "2.0.0"
   },
   "devDependencies": {
     "chai": "1",

src/client.js

@@ -7,6 +7,7 @@ var Promise     = require('bluebird');
 var createError = require('create-error');
 var http        = require('http');
 var needle      = Promise.promisifyAll(require('needle'));
+var ProxyAgent  = require('proxy-agent');
 var pkg         = require('../package.json');
 
 function ClearbitClient (config) {
@@ -18,6 +19,11 @@ function ClearbitClient (config) {
 
   this.proxy = config.proxy || null;
 
+  this.agent = null;
+  if (this.proxy) {
+    this.agent = new ProxyAgent(this.proxy);
+  }
+
   this.Company = require('./enrichment/company').Company(this);
   this.Person = require('./enrichment/person').Person(this);
   this.Enrichment = require('./enrichment').Enrichment(this);
@@ -63,19 +69,24 @@ ClearbitClient.prototype.request = function (options) {
 
   var timeout = options.timeout || options.stream && 60000 || 10000;
 
+  var needleOptions = {
+    json: options.json,
+    headers: options.headers,
+    timeout: timeout,
+    username: this.key,
+    password: '',
+    user_agent: 'ClearbitNode/v' + pkg.version,
+  };
+
+  if (this.agent) {
+    needleOptions.agent = this.agent;
+  }
+
   return needle.requestAsync(
     options.method,
     this.url(options),
     options.body || options.query,
-    {
-      json: options.json,
-      headers: options.headers,
-      timeout: timeout,
-      username: this.key,
-      password: '',
-      user_agent: 'ClearbitNode/v' + pkg.version,
-      proxy: this.proxy
-    }
+    needleOptions
   )
   .bind(this)
   .spread(function (response, body) {