only deduplicate non-primitives #44
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Currently, all values are deduplicated, meaning that input like
[null, null]will result in this output:In very simple cases like the one above, this creates overhead. In very complex cases, it can result in an IIFE with too many function arguments (sveltejs/kit#6672). With this change, it would still be possible to reach that threshold, but it's far less likely.
In some cases this will result in larger payloads, but gzip/brotli compression will take care of it in all the places that it matters.