Performance (datatable): limiting re-render for only radiobutton/checkbox cells at row selection #7425
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…odyCell should re-render.
…y avoiding unnecessary re-render of cells. CAREFUL: some bugs detected related to MetaKey which are still not yet fixed.
…and getNestedValue from BodyCell.js to ObjectUtils and ran prettier to avoid pull request errors
… are only created once. Wrapped several of them in useCallback.
…a RadioCheckCell. The latter is used for the checkbox and radio buttons. This is to avoid re-rendering all cells when a row is selected. Now, only the RadioCheckCell is re-rendered.
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Type: Performance
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Status: Pending Review
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…ns of BodyCell.js from usecallback - they would get re-created anyway since they depend on functions.
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Defect Fixes
Fix #2979.
Main change was the split of the BodyCell into two separate components: one for the Radio buttons and Checkboxes, and another for the rest of the cells. In this way, it is now possible to define different dependencies for them in React.memo, which create a performance gain when selecting row -> only the radio buttons/checkboxes cells are now re-rendered.
This is quite significant mainly when making a "select all rows" operation with a large dataset.
Also some smaller performance improvements by taking out parameters and functions of the BodyCells and placing in the BodyRow and wrapping them in useCallback.
There is still room for performance improvements in future contributions by implementing priority loading and meaningful prop comparison for BodyRow component. Sorting/Filtering operations are still quite inneficient and should also be worked on in the future (will try to do it in the next weeks/months).