Provide a client constructor as the base export

src/index.js

+'use strict';
+
+var Client = require('./client');
+
+module.exports = function (key) {
+  return new Client({
+    key: key
+  });
+};
+
+module.exports.Client = Client;

test/client.js

 'use strict';
 
-var expect         = require('chai').expect;
-var nock           = require('nock');
-var ClearbitClient = require('../src/client');
-var pkg            = require('../package.json');
+var expect   = require('chai').expect;
+var nock     = require('nock');
+var clearbit = require('../');
+var Client   = clearbit.Client;
+var pkg      = require('../package.json');
 
-describe('ClearbitClient', function () {
+describe('Client', function () {
 
   var client;
   beforeEach(function () {
-    client = new ClearbitClient({
-      key: 'k'
-    });
+    client = clearbit('k');
   });
 
   describe('Constructor', function () {
 
     it('must be called with new', function () {
-      expect(ClearbitClient).to.throw(/called with new/);
+      expect(Client).to.throw(/called with new/);
     });
 
     it('must provide an API key', function () {
       expect(function () {
-        return new ClearbitClient();
+        return new Client();
       })
       .to.throw(/API key/);
     });
 
     it('configures the API key', function () {
-      expect(new ClearbitClient({key: 'k'})).to.have.property('key', 'k');
+      expect(new Client({key: 'k'})).to.have.property('key', 'k');
     });
 
   });
@@ -123,4 +122,4 @@ describe('ClearbitClient', function () {
 
   });
 
-});
+});
\ No newline at end of file

test/company.js

@@ -2,8 +2,7 @@
 
 var expect  = require('chai').expect;
 var nock    = require('nock');
-var Client  = require('../src/client');
-var Company = new Client({key: 'k'}).Company;
+var Company = require('../')('k').Company;
 
 describe('Company', function () {
 

test/person.js

@@ -2,8 +2,7 @@
 
 var expect = require('chai').expect;
 var nock   = require('nock');
-var Client = require('../src/client');
-var Person = new Client({key: 'k'}).Person;
+var Person = require('../')('k').Person;
 
 describe('Person', function () {