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How I ended up with a 2.9 kB GZip reactive UI engine that runs from a static file

A few weeks ago, I was working on a side project. Nothing fancy — just a small dashboard with a form, a list, and a few buttons. The kind of thing that should take an afternoon.

  • Engineer creates 2.9 kB GZip reactive UI engine
  • Uses vanilla JavaScript with DOMParser, Proxy, and Child index paths
  • Operates by registering dynamic elements and mapping state changes

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