fixes

Author: timsuchanek

packages/graphql-playground/src/components/Playground/TopBar/TopBar.tsx

@@ -48,7 +48,7 @@ export default class TopBar extends React.Component<Props, {}> {
         </CopyToClipboard>
         {this.props.sharing && (
           <Share {...this.props.sharing}>
-            <Button onClick={this.props.onClickShare}>Share Playground</Button>
+            <Button>Share Playground</Button>
           </Share>
         )}
       </TopBarWrapper>

packages/graphql-playground/src/components/PlaygroundStorage.ts

@@ -30,6 +30,9 @@ export default class PlaygroundStorage {
     }
     function mapHeaders(session) {
       let headers = session.headers
+      if (!headers) {
+        headers = ''
+      }
       if (Array.isArray(headers)) {
         headers = convertArray(headers)
       }