What is the purpose of Reselect’s createSelector in a Redux application?

React Developer Hard

React Developer — Hard

What is the purpose of Reselect’s createSelector in a Redux application?

Key points

  • Reselect's createSelector creates memoized selector functions
  • Memoization helps avoid unnecessary re-renders
  • Input selector changes trigger recalculation of derived state
  • Improves performance by optimizing state updates

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