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This SPFx web part demonstrates how to use the React useReducer hook with the PnPjs library to fetch items from a SharePoint list. By using useReducer, developers can better manage complex state within their React components, making it easier to handle asynchronous data fetching, loading states, and error handling.
Open this sample in the gallery (popup panel): Open in gallery
Source: https://github.com/pnp/sp-dev-fx-webparts/tree/main/samples/react-use-reducer-hook