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import * as React from 'react';
import { IApplicationStoreState } from '../../store/applicationStore';
import { Connect, connect, IDispatcher } from '../../flux/connect';
import { RemoveSnackbarNotification } from '../../actions/snackbarActions';
import { InjectedNotistackProps, withSnackbar } from 'notistack';
const mapProps = (state: IApplicationStoreState) => ({
notifications: state.framework.applicationState.snackBars
});
const mapDispatch = (dispatcher: IDispatcher) => ({
removeSnackbar: (key: number) => {
dispatcher.dispatch(new RemoveSnackbarNotification(key));
}
});
type DisplaySnackbarsComponentProps = Connect<typeof mapProps, typeof mapDispatch> & InjectedNotistackProps;
class DisplaySnackbarsComponent extends React.Component<DisplaySnackbarsComponentProps> {
private displayed: number[] = [];
private storeDisplayed = (id: number) => {
this.displayed = [...this.displayed, id];
};
public shouldComponentUpdate({ notifications: newSnacks = [] }: DisplaySnackbarsComponentProps) {
const { notifications: currentSnacks } = this.props;
let notExists = false;
for (let i = 0; i < newSnacks.length; i++) {
if (notExists) continue;
notExists = notExists || !currentSnacks.filter(({ key }) => newSnacks[i].key === key).length;
}
return notExists;
}
componentDidUpdate() {
const { notifications = [] } = this.props;
notifications.forEach(notification => {
if (this.displayed.includes(notification.key)) return;
const options = notification.options || {};
this.props.enqueueSnackbar(notification.message, options);
this.storeDisplayed(notification.key);
this.props.removeSnackbar(notification.key);
});
}
render() {
return null;
}
}
const DisplayStackbars = withSnackbar(connect(mapProps, mapDispatch)(DisplaySnackbarsComponent));
export default DisplayStackbars;
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