perf: fallback to module level registry in browser #768
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Fallback to module level local registry on client side, so we don't have to include a registry there.
StyleRegistry
is only required for server render for safe concurrent renderingUse
typeof window
(instead ofprocess.browser
) for determine envrionment which we can optimize later on bundler side.Tested with next.js styled-jsx example
x-ref: vercel/next.js#32417
x-ref: vercel/next.js#30377