Unsubscribe App Registry

button.jsx

class TextWriteButton extends React.Component {

  /**
   * Instantiate the component.
   *
   * @param {Object} props - The properties.
   */
  constructor(props) {
    super(props);
    this.boundNamespaceChanged = this.namespaceChanged.bind(this);
  }

  /**
   * Subscribe to the state changing stores.
   */
  componentDidMount() {
    global.hadronApp.appRegistry.on('namespace-changed', this.boundNamespaceChanged);
    this.unsubscribeWriteState = WriteStateStore.listen(this.writeStateChanged.bind(this));
  }

  /**
   * Unsubscribe from the stores.
   */
  componentWillUnmount() {
    global.hadronApp.appRegistry.off('namespace-changed', this.boundNamespaceChanged);
    this.unsubscribeWriteState();
  }
}