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perf: fallback to module level registry in browser #768

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merged 4 commits into from Dec 22, 2021
Merged

perf: fallback to module level registry in browser #768

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c0b8639
perf: fallback to module level registry in browser
huozhi Dec 20, 2021
f584ee5
preeval registry at top level
huozhi Dec 20, 2021
2bd917a
simplify cond
huozhi Dec 20, 2021
aa0703e
use typeof for conditions
huozhi Dec 20, 2021
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7 changes: 5 additions & 2 deletions src/style.js
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@@ -1,12 +1,15 @@
import React from 'react'
import { useStyleRegistry } from './stylesheet-registry'
import { useStyleRegistry, createStyleRegistry } from './stylesheet-registry'
import { computeId } from './lib/hash'

// Opt-into the new `useInsertionEffect` API in React 18, fallback to `useLayoutEffect`.
// https://github.com/reactwg/react-18/discussions/110
const useInsertionEffect = React.useInsertionEffect || React.useLayoutEffect

const defaultRegistry =
typeof window !== 'undefined' ? createStyleRegistry() : undefined
export default function JSXStyle(props) {
const registry = useStyleRegistry()
const registry = defaultRegistry ? defaultRegistry : useStyleRegistry()

// If `registry` does not exist, we do nothing here.
if (!registry) {
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