nitro-react/src/views/catalog/CatalogMessageHandler.tsx

import { CatalogPageEvent, CatalogPagesEvent } from 'nitro-renderer';
import { FC, useCallback } from 'react';
import { CreateMessageHook } from '../../hooks/messages/message-event';
import { CatalogMessageHandlerProps } from './CatalogMessageHandler.types';
import { useCatalogContext } from './context/CatalogContext';
import { CatalogActions } from './reducers/CatalogReducer';

export const CatalogMessageHandler: FC<CatalogMessageHandlerProps> = props =>
{
    const { dispatchCatalogState = null } = useCatalogContext();

    const onCatalogPagesEvent = useCallback((event: CatalogPagesEvent) =>
    {
        const parser = event.getParser();

        dispatchCatalogState({
            type: CatalogActions.SET_CATALOG_ROOT,
            payload: {
                root: parser.root
            }
        });
    }, [ dispatchCatalogState ]);

    const onCatalogPageEvent = useCallback((event: CatalogPageEvent) =>
    {
        const parser = event.getParser();

        dispatchCatalogState({
            type: CatalogActions.SET_CATALOG_PAGE_PARSER,
            payload: {
                pageParser: parser
            }
        });
    }, [ dispatchCatalogState ]);

    CreateMessageHook(CatalogPagesEvent, onCatalogPagesEvent);
    CreateMessageHook(CatalogPageEvent, onCatalogPageEvent);

    return null;
}