Six Data Grid Implementations Later, I Finally Learned to Build Components Right
Plain JavaScript. Then Angular. Then React. Then Vue. Then Blazor. Now Svelte. Same component every time: a data grid. Rows, columns, click to sort, drag to resize, select a range, keyboard arrows that do the thing people expect, virtual scrolling so it does not die at 100k rows. Six implementations, six reactivity models, six sets of idioms I had to learn well enough to argue about.
You would think by the third one I had it figured out. I did not. Each port taught me something, but the thing that actually stuck, the lesson that survived across all six, did not show up until I was deep into the Svelte version (svgrid, if it matters, though it really does not for this story). And it was a little embarrassing when it landed, because it had nothing to do with grids and nothing to do with any particular framework. It was...
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