feat(clerk-react,nextjs): Speed up clerk-js loading by using a <script/> tag
#3156
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🦋 Changeset detectedLatest commit: 897e5b8 The changes in this PR will be included in the next version bump. This PR includes changesets to release 6 packages
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panteliselef
requested review from
nikosdouvlis,
dimkl and
BRKalow
and removed request for
nikosdouvlis
…e the next package
panteliselef
commented
Apr 10, 2024
Comment on lines
+25
to
+38
| const existingScript = document.querySelector<HTMLScriptElement>('script[data-clerk-js-script]'); | ||
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| if (existingScript) { | ||
| return new Promise((resolve, reject) => { | ||
| existingScript.addEventListener('load', () => { | ||
| resolve(existingScript); | ||
| }); | ||
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| existingScript.addEventListener('error', () => { | ||
| reject(FAILED_TO_LOAD_ERROR); | ||
| }); | ||
| }); | ||
| } | ||
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This also allows anyone to add a script without waiting for an official support.
BRKalow
reviewed
Apr 11, 2024
BRKalow
approved these changes
Apr 11, 2024
nikosdouvlis
approved these changes
Apr 11, 2024
| async | ||
| crossOrigin='anonymous' | ||
| {...buildClerkJsScriptAttributes(options)} | ||
| {...(props.router === 'pages' ? { strategy: 'beforeInteractive' } : {})} |
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Suggested change
| {...(props.router === 'pages' ? { strategy: 'beforeInteractive' } : {})} | |
| strategy: props.router === 'pages' ? 'beforeInteractive' : undefined |
dimkl
approved these changes
Apr 11, 2024
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Description
Metrics (Fast 3G)
Previous 4120ms
New Nextjs 2907ms
-30% in loading time
Metrics (Cable)
Previous 613ms
New Nextjs 617ms
Almost no change
Nextjs
Benefits of using the
next/scriptis that it moves scripts inside<head/>in Pages router. It also has build it cache to avoid loading 2 scripts at the same time.Using
next/scriptwith our ClerkProvide that targets the App Router was not possible asnext/scriptneed to be used inside the "document" which means inside<html/>.More SSR Frameworks
<head/>.For these I would offer a dedicated
<ClerkJSScript/>.CSR React
Checklist
npm testruns as expected.npm run buildruns as expected.Type of change