Add support for giving name and features to the new window

Author: Minishlink

README.md

@@ -42,8 +42,10 @@ Supported props are:
 - onMessage
 
 Additional props are:
-- `newWindow`: this will open the source in a new window.
-Useful when your target has X-Frame-Options or a no-CORS policy.
+- `newWindow`: (*boolean*|*{ name: string, features: string}*)
+This will open the source in a new window, optionally giving it an [internal name and custom features](https://developer.mozilla.org/en-US/docs/Web/API/Window/open).
+By default, the name is `webview` and there are no features set.
+This is useful when your target has X-Frame-Options or a no-CORS policy.
 It currently only supports a `source` prop with a `method` set to `POST`.
 Please feel free to do a PR to support more request types!
 

src/index.js

@@ -14,7 +14,7 @@ export default class extends Component {
     if (!source.method) return;
 
     if (newWindow) {
-      this.handleSourceInNewWindow(source);
+      this.handleSourceInNewWindow(source, newWindow);
     } else {
       this.handleSourceInIFrame(source);
     }
@@ -28,7 +28,7 @@ export default class extends Component {
       .then(html => this.setState({ html: `<base href="${baseUrl}" />` + html }));
   };
 
-  handleSourceInNewWindow = source => {
+  handleSourceInNewWindow = (source, newWindow) => {
     if (source.method === 'POST') {
       const contentType = source.headers['Content-Type'];
       let body = '';
@@ -48,7 +48,9 @@ export default class extends Component {
           Qs.stringify({
             uri: source.uri,
             body: JSON.stringify(body),
-          })
+          }),
+        newWindow.name || 'webview',
+        newWindow.features || undefined
       );
     } else {
       console.warn(