Improve performance of response encoding for jsoniter #2330
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GraphQL field names (which are used as keys in the JSON object) need to be one of the following:
_0-9A-Za-z. Since none of these characters require escaping, we can use the much more efficientwriteNonEscapedAsciiKeymethod when writing object keys.This seems to improve performance by ~5-10% for encoding responses based on our benchmarks. Weirdly enough, it seems that Scala 3 benefits much more than Scala 2 from this improvement 🤔