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Sortable List

React.js
medium
mins

Create a React component called SortableList that allows users to add new items to a list and sort the list either in ascending or descending order. The sorting action should be optimized using the useCallback hook to avoid unnecessary re-renders of the sorting function when the list or the order is updated.

You need to:

  1. Implement an input field with the placeholder "Add a new item".
  2. A button labelled "Add Item" to add new items to the list.
  3. Ensure each item in the list has a unique id in the format item-<index>.
  4. Implement two buttons labelled "Sort Ascending" and "Sort Descending" to sort the list in ascending or descending order.
  5. Use JavaScript’s built-in .sort() method to sort the list items alphabetically.
  6. Use useCallback to memoize the sorting function to avoid unnecessary re-creation of the function during re-renders.
  7. The list should dynamically update after each operation (adding items or sorting).

Reference UI

sortableList

Preview what you need to build

Companies:

airbnb
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