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This fix for an O(n^2) -> O(n) is just moving a reduce() out of a map(), but it took years to diagnose (thanks to showsubmit.com for being the reproduction case).

Hugo

@codewithhugo.com

Quadratic runtime complexity (nested loops) is really nasty since it's fast over small datasets/test cases but under real-world usage it breaks. In this case, the Alpine.js Devtools data panel would freeze.

25/2/26, 11:19 am0 reposts0 likes

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