Adds hostname configuration

lib/provider.jsx

@@ -20,6 +20,11 @@ export default class RecurlyProvider extends React.Component {
      * [API Access](https://app.recurly.com/go/developer/api_access).
      */
     publicKey: PropTypes.string,
+
+    /**
+     * Register the current hostname
+     */
+    hostname: PropTypes.string,
     /**
      * Sets a default currency
      */
@@ -56,7 +61,7 @@ export default class RecurlyProvider extends React.Component {
   constructor (props) {
     super(props);
 
-    if (!this.props.publicKey) {
+    if (!(this.props.publicKey || this.props.hostname)) {
       throw new Error(`
         Please pass your 'publicKey' value to this RecurlyProvider.
         Example: <RecurlyProvider publicKey="MY_PUBLIC_KEY">
@@ -82,7 +87,7 @@ export default class RecurlyProvider extends React.Component {
     }
   }
 
-  render() {
+  render () {
     return (
       <Provider value={{ recurly: this._recurly }}>{this.props.children}</Provider>
     );

test/provider.test.jsx

@@ -122,4 +122,12 @@ describe('<RecurlyProvider />', function () {
       }
     });
   });
+
+  describe('with a hostname', function () {
+    it('does not throw an error', function () {
+      expect(() => {
+        render(<RecurlyProvider hostname="test-hostname" api={api} />);
+      }).not.toThrow();
+    });
+  });
 });