Killing a webview bridge component

MyBridgedComponent.js

class MyBridgedComponent extends Component {
  
  constructor(props) {
    super(props);
    this.state = {
      isLoaded: false
    };
  }
  
  onBridgeMessage(message) {
    message = JSON.parse(message);
    this.setState({
      isLoaded: true
    });
  }
  
  render() {
    if (this.state.isLoaded) {
      return false;
    }
    
    const injectScript = `
    if (window.WebViewBridge) {
      var message = {
        data: "myData"
      }
      webViewBridge.send(JSON.stringify(message));
    }`
    
    return (
      <View style={{width:0, height:0}}>
      <WebViewBridge
      ref="webviewbridge"
      onBridgeMessage={this.onBridgeMessage.bind(this)}
      injectedJavaScript={injectScript}
      javaScriptEnabled={true}
      source={{uri: "example.com"}}/>
      </View>
    );
  }
}