Andreas Kling 0710b24f2d LibJS: Optimize JSON.stringify with single StringBuilder ...

This patch improves JSON.stringify performance through three changes:

1. Use a single StringBuilder for the entire operation instead of
   building up intermediate strings and concatenating them.

2. Format numbers directly into the StringBuilder via a new public
   number_to_string(StringBuilder&, ...) overload, avoiding temporary
   String allocations.

3. Track indentation as a depth counter instead of repeatedly
   concatenating the gap string.

2026-01-12 13:53:28 -05:00

1.8 KiB

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