Reselect Quick And Dirty
The tl;dr reminder of how Reselect works for Redux state memoization.
On this page
Quick and dirty implementation of reselect. This assumes you already have the requirements for Redux installed and in operation.
Links
This link below is a great reference for indepth if you need more than a friendly reminder.
Installing Reselect
yarn install reselect
Basic Implementation
// Reducer file
import { createSelector } from "reselect";
/* Creating the Selector in reducer file */
const getElementsUi = (state) => state.sidebarReducer.elementsUi;
export const getElementsUiState = createSelector(
[getElementsUi],
(elementsUi) => elementsUi
);
// In file calling mapStateToProps
const mapStateToProps = (state) => ({
elementsUi: reducers.getElementsUiState(state),
});
const mapDispatchToProps = (dispatch) => ({ dispatch: dispatch });
export default connect(mapStateToProps, mapDispatchToProps)(Component);