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e399b472e9
This makes the way we've implemented the CSS `revert` keyword a lot less expensive. Until now, we were making a deep copy of all property values at the start of each cascade origin. (Those are the values that `revert` would bring us back to if encountered.) With this patch, the revert property set becomes a shallow copy, and we only clone the property set if the cascade ends up writing something. This knocks a 5% profile item down to 1.3% on https://tailwindcss.com |
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