Add guide "Migrating from Create React App" #21212
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leerob
requested review from
chibicode,
ijjk,
lfades,
Timer and
timneutkens
as code owners
Stats from current PRDefault Server Mode (Increase detected
|
| vercel/next.js canary | leerob/next.js cra | Change | |
|---|---|---|---|
| buildDuration | 10.8s | 10.9s | |
| nodeModulesSize | 77.5 MB | 77.5 MB | ✓ |
Page Load Tests Overall increase ✓
| vercel/next.js canary | leerob/next.js cra | Change | |
|---|---|---|---|
| / failed reqs | 0 | 0 | ✓ |
| / total time (seconds) | 2.085 | 2.081 | 0 |
| / avg req/sec | 1199.1 | 1201.52 | +2.42 |
| /error-in-render failed reqs | 0 | 0 | ✓ |
| /error-in-render total time (seconds) | 1.403 | 1.34 | -0.06 |
| /error-in-render avg req/sec | 1782.36 | 1865.18 | +82.82 |
Client Bundles (main, webpack, commons)
| vercel/next.js canary | leerob/next.js cra | Change | |
|---|---|---|---|
| 677f882d2ed8..43e3.js gzip | 13.1 kB | 13.1 kB | ✓ |
| framework.HASH.js gzip | 39 kB | 39 kB | ✓ |
| main-712e20f..aa05.js gzip | 6.63 kB | 6.63 kB | ✓ |
| webpack-50be..df5b.js gzip | 751 B | 751 B | ✓ |
| Overall change | 59.4 kB | 59.4 kB | ✓ |
Legacy Client Bundles (polyfills)
| vercel/next.js canary | leerob/next.js cra | Change | |
|---|---|---|---|
| polyfills-af..9390.js gzip | 31.3 kB | 31.3 kB | ✓ |
| Overall change | 31.3 kB | 31.3 kB | ✓ |
Client Pages
| vercel/next.js canary | leerob/next.js cra | Change | |
|---|---|---|---|
| _app-2a09aa2..4a98.js gzip | 1.28 kB | 1.28 kB | ✓ |
| _error-8b758..aef6.js gzip | 3.46 kB | 3.46 kB | ✓ |
| hooks-c71ae4..70cd.js gzip | 887 B | 887 B | ✓ |
| index-bbee2f..528b.js gzip | 227 B | 227 B | ✓ |
| link-7faf09b..eba4.js gzip | 1.64 kB | 1.64 kB | ✓ |
| routerDirect..bf84.js gzip | 303 B | 303 B | ✓ |
| withRouter-a..5826.js gzip | 302 B | 302 B | ✓ |
| Overall change | 8.09 kB | 8.09 kB | ✓ |
Client Build Manifests
| vercel/next.js canary | leerob/next.js cra | Change | |
|---|---|---|---|
| _buildManifest.js gzip | 321 B | 321 B | ✓ |
| Overall change | 321 B | 321 B | ✓ |
Rendered Page Sizes
| vercel/next.js canary | leerob/next.js cra | Change | |
|---|---|---|---|
| index.html gzip | 615 B | 615 B | ✓ |
| link.html gzip | 620 B | 620 B | ✓ |
| withRouter.html gzip | 608 B | 608 B | ✓ |
| Overall change | 1.84 kB | 1.84 kB | ✓ |
Serverless Mode
General
| vercel/next.js canary | leerob/next.js cra | Change | |
|---|---|---|---|
| buildDuration | 12.9s | 12.7s | -233ms |
| nodeModulesSize | 77.5 MB | 77.5 MB | ✓ |
Client Bundles (main, webpack, commons)
| vercel/next.js canary | leerob/next.js cra | Change | |
|---|---|---|---|
| 677f882d2ed8..43e3.js gzip | 13.1 kB | 13.1 kB | ✓ |
| framework.HASH.js gzip | 39 kB | 39 kB | ✓ |
| main-712e20f..aa05.js gzip | 6.63 kB | 6.63 kB | ✓ |
| webpack-50be..df5b.js gzip | 751 B | 751 B | ✓ |
| Overall change | 59.4 kB | 59.4 kB | ✓ |
Legacy Client Bundles (polyfills)
| vercel/next.js canary | leerob/next.js cra | Change | |
|---|---|---|---|
| polyfills-af..9390.js gzip | 31.3 kB | 31.3 kB | ✓ |
| Overall change | 31.3 kB | 31.3 kB | ✓ |
Client Pages
| vercel/next.js canary | leerob/next.js cra | Change | |
|---|---|---|---|
| _app-2a09aa2..4a98.js gzip | 1.28 kB | 1.28 kB | ✓ |
| _error-8b758..aef6.js gzip | 3.46 kB | 3.46 kB | ✓ |
| hooks-c71ae4..70cd.js gzip | 887 B | 887 B | ✓ |
| index-bbee2f..528b.js gzip | 227 B | 227 B | ✓ |
| link-7faf09b..eba4.js gzip | 1.64 kB | 1.64 kB | ✓ |
| routerDirect..bf84.js gzip | 303 B | 303 B | ✓ |
| withRouter-a..5826.js gzip | 302 B | 302 B | ✓ |
| Overall change | 8.09 kB | 8.09 kB | ✓ |
Client Build Manifests
| vercel/next.js canary | leerob/next.js cra | Change | |
|---|---|---|---|
| _buildManifest.js gzip | 321 B | 321 B | ✓ |
| Overall change | 321 B | 321 B | ✓ |
Serverless bundles
| vercel/next.js canary | leerob/next.js cra | Change | |
|---|---|---|---|
| _error.js | 1 MB | 1 MB | ✓ |
| 404.html | 2.67 kB | 2.67 kB | ✓ |
| hooks.html | 1.92 kB | 1.92 kB | ✓ |
| index.js | 1 MB | 1 MB | ✓ |
| link.js | 1.06 MB | 1.06 MB | ✓ |
| routerDirect.js | 1.05 MB | 1.05 MB | ✓ |
| withRouter.js | 1.05 MB | 1.05 MB | ✓ |
| Overall change | 5.18 MB | 5.18 MB | ✓ |
Stats from current PRDefault Server Mode (Increase detected
|
| vercel/next.js canary | leerob/next.js cra | Change | |
|---|---|---|---|
| buildDuration | 8.7s | 8.5s | -206ms |
| nodeModulesSize | 77.5 MB | 77.5 MB | ✓ |
Page Load Tests Overall increase ✓
| vercel/next.js canary | leerob/next.js cra | Change | |
|---|---|---|---|
| / failed reqs | 0 | 0 | ✓ |
| / total time (seconds) | 1.712 | 1.701 | -0.01 |
| / avg req/sec | 1460.26 | 1469.89 | +9.63 |
| /error-in-render failed reqs | 0 | 0 | ✓ |
| /error-in-render total time (seconds) | 1.103 | 1.088 | -0.01 |
| /error-in-render avg req/sec | 2266.14 | 2297.72 | +31.58 |
Client Bundles (main, webpack, commons)
| vercel/next.js canary | leerob/next.js cra | Change | |
|---|---|---|---|
| 677f882d2ed8..43e3.js gzip | 13.1 kB | 13.1 kB | ✓ |
| framework.HASH.js gzip | 39 kB | 39 kB | ✓ |
| main-712e20f..aa05.js gzip | 6.63 kB | 6.63 kB | ✓ |
| webpack-50be..df5b.js gzip | 751 B | 751 B | ✓ |
| Overall change | 59.4 kB | 59.4 kB | ✓ |
Legacy Client Bundles (polyfills)
| vercel/next.js canary | leerob/next.js cra | Change | |
|---|---|---|---|
| polyfills-af..9390.js gzip | 31.3 kB | 31.3 kB | ✓ |
| Overall change | 31.3 kB | 31.3 kB | ✓ |
Client Pages
| vercel/next.js canary | leerob/next.js cra | Change | |
|---|---|---|---|
| _app-2a09aa2..4a98.js gzip | 1.28 kB | 1.28 kB | ✓ |
| _error-8b758..aef6.js gzip | 3.46 kB | 3.46 kB | ✓ |
| hooks-c71ae4..70cd.js gzip | 887 B | 887 B | ✓ |
| index-bbee2f..528b.js gzip | 227 B | 227 B | ✓ |
| link-7faf09b..eba4.js gzip | 1.64 kB | 1.64 kB | ✓ |
| routerDirect..bf84.js gzip | 303 B | 303 B | ✓ |
| withRouter-a..5826.js gzip | 302 B | 302 B | ✓ |
| Overall change | 8.09 kB | 8.09 kB | ✓ |
Client Build Manifests
| vercel/next.js canary | leerob/next.js cra | Change | |
|---|---|---|---|
| _buildManifest.js gzip | 321 B | 321 B | ✓ |
| Overall change | 321 B | 321 B | ✓ |
Rendered Page Sizes
| vercel/next.js canary | leerob/next.js cra | Change | |
|---|---|---|---|
| index.html gzip | 615 B | 615 B | ✓ |
| link.html gzip | 620 B | 620 B | ✓ |
| withRouter.html gzip | 608 B | 608 B | ✓ |
| Overall change | 1.84 kB | 1.84 kB | ✓ |
Serverless Mode
General
| vercel/next.js canary | leerob/next.js cra | Change | |
|---|---|---|---|
| buildDuration | 10.2s | 10.4s | |
| nodeModulesSize | 77.5 MB | 77.5 MB | ✓ |
Client Bundles (main, webpack, commons)
| vercel/next.js canary | leerob/next.js cra | Change | |
|---|---|---|---|
| 677f882d2ed8..43e3.js gzip | 13.1 kB | 13.1 kB | ✓ |
| framework.HASH.js gzip | 39 kB | 39 kB | ✓ |
| main-712e20f..aa05.js gzip | 6.63 kB | 6.63 kB | ✓ |
| webpack-50be..df5b.js gzip | 751 B | 751 B | ✓ |
| Overall change | 59.4 kB | 59.4 kB | ✓ |
Legacy Client Bundles (polyfills)
| vercel/next.js canary | leerob/next.js cra | Change | |
|---|---|---|---|
| polyfills-af..9390.js gzip | 31.3 kB | 31.3 kB | ✓ |
| Overall change | 31.3 kB | 31.3 kB | ✓ |
Client Pages
| vercel/next.js canary | leerob/next.js cra | Change | |
|---|---|---|---|
| _app-2a09aa2..4a98.js gzip | 1.28 kB | 1.28 kB | ✓ |
| _error-8b758..aef6.js gzip | 3.46 kB | 3.46 kB | ✓ |
| hooks-c71ae4..70cd.js gzip | 887 B | 887 B | ✓ |
| index-bbee2f..528b.js gzip | 227 B | 227 B | ✓ |
| link-7faf09b..eba4.js gzip | 1.64 kB | 1.64 kB | ✓ |
| routerDirect..bf84.js gzip | 303 B | 303 B | ✓ |
| withRouter-a..5826.js gzip | 302 B | 302 B | ✓ |
| Overall change | 8.09 kB | 8.09 kB | ✓ |
Client Build Manifests
| vercel/next.js canary | leerob/next.js cra | Change | |
|---|---|---|---|
| _buildManifest.js gzip | 321 B | 321 B | ✓ |
| Overall change | 321 B | 321 B | ✓ |
Serverless bundles
| vercel/next.js canary | leerob/next.js cra | Change | |
|---|---|---|---|
| _error.js | 1 MB | 1 MB | ✓ |
| 404.html | 2.67 kB | 2.67 kB | ✓ |
| hooks.html | 1.92 kB | 1.92 kB | ✓ |
| index.js | 1 MB | 1 MB | ✓ |
| link.js | 1.06 MB | 1.06 MB | ✓ |
| routerDirect.js | 1.05 MB | 1.05 MB | ✓ |
| withRouter.js | 1.05 MB | 1.05 MB | ✓ |
| Overall change | 5.18 MB | 5.18 MB | ✓ |
lfades
reviewed
Jan 18, 2021
Co-authored-by: Luis Alvarez D. <luis@vercel.com>
lfades
reviewed
Jan 18, 2021
Co-authored-by: Luis Alvarez D. <luis@vercel.com>
Stats from current PRDefault Server Mode (Decrease detected ✓)General
Page Load Tests Overall decrease
|
| vercel/next.js canary | leerob/next.js cra | Change | |
|---|---|---|---|
| / failed reqs | 0 | 0 | ✓ |
| / total time (seconds) | 2.272 | 2.333 | |
| / avg req/sec | 1100.17 | 1071.39 | |
| /error-in-render failed reqs | 0 | 0 | ✓ |
| /error-in-render total time (seconds) | 1.559 | 1.564 | |
| /error-in-render avg req/sec | 1603.12 | 1598.23 |
Client Bundles (main, webpack, commons)
| vercel/next.js canary | leerob/next.js cra | Change | |
|---|---|---|---|
| 677f882d2ed8..43e3.js gzip | 13.1 kB | 13.1 kB | ✓ |
| framework.HASH.js gzip | 39 kB | 39 kB | ✓ |
| main-9e3e4e6..2023.js gzip | 6.63 kB | 6.63 kB | ✓ |
| webpack-50be..df5b.js gzip | 751 B | 751 B | ✓ |
| Overall change | 59.4 kB | 59.4 kB | ✓ |
Legacy Client Bundles (polyfills)
| vercel/next.js canary | leerob/next.js cra | Change | |
|---|---|---|---|
| polyfills-af..9390.js gzip | 31.3 kB | 31.3 kB | ✓ |
| Overall change | 31.3 kB | 31.3 kB | ✓ |
Client Pages
| vercel/next.js canary | leerob/next.js cra | Change | |
|---|---|---|---|
| _app-2a09aa2..4a98.js gzip | 1.28 kB | 1.28 kB | ✓ |
| _error-8b758..aef6.js gzip | 3.46 kB | 3.46 kB | ✓ |
| hooks-c71ae4..70cd.js gzip | 887 B | 887 B | ✓ |
| index-bbee2f..528b.js gzip | 227 B | 227 B | ✓ |
| link-7faf09b..eba4.js gzip | 1.64 kB | 1.64 kB | ✓ |
| routerDirect..bf84.js gzip | 303 B | 303 B | ✓ |
| withRouter-a..5826.js gzip | 302 B | 302 B | ✓ |
| Overall change | 8.09 kB | 8.09 kB | ✓ |
Client Build Manifests
| vercel/next.js canary | leerob/next.js cra | Change | |
|---|---|---|---|
| _buildManifest.js gzip | 321 B | 321 B | ✓ |
| Overall change | 321 B | 321 B | ✓ |
Rendered Page Sizes
| vercel/next.js canary | leerob/next.js cra | Change | |
|---|---|---|---|
| index.html gzip | 614 B | 614 B | ✓ |
| link.html gzip | 621 B | 621 B | ✓ |
| withRouter.html gzip | 608 B | 608 B | ✓ |
| Overall change | 1.84 kB | 1.84 kB | ✓ |
Serverless Mode
General
| vercel/next.js canary | leerob/next.js cra | Change | |
|---|---|---|---|
| buildDuration | 13.2s | 13.1s | -111ms |
| nodeModulesSize | 77.6 MB | 77.6 MB | ✓ |
Client Bundles (main, webpack, commons)
| vercel/next.js canary | leerob/next.js cra | Change | |
|---|---|---|---|
| 677f882d2ed8..43e3.js gzip | 13.1 kB | 13.1 kB | ✓ |
| framework.HASH.js gzip | 39 kB | 39 kB | ✓ |
| main-9e3e4e6..2023.js gzip | 6.63 kB | 6.63 kB | ✓ |
| webpack-50be..df5b.js gzip | 751 B | 751 B | ✓ |
| Overall change | 59.4 kB | 59.4 kB | ✓ |
Legacy Client Bundles (polyfills)
| vercel/next.js canary | leerob/next.js cra | Change | |
|---|---|---|---|
| polyfills-af..9390.js gzip | 31.3 kB | 31.3 kB | ✓ |
| Overall change | 31.3 kB | 31.3 kB | ✓ |
Client Pages
| vercel/next.js canary | leerob/next.js cra | Change | |
|---|---|---|---|
| _app-2a09aa2..4a98.js gzip | 1.28 kB | 1.28 kB | ✓ |
| _error-8b758..aef6.js gzip | 3.46 kB | 3.46 kB | ✓ |
| hooks-c71ae4..70cd.js gzip | 887 B | 887 B | ✓ |
| index-bbee2f..528b.js gzip | 227 B | 227 B | ✓ |
| link-7faf09b..eba4.js gzip | 1.64 kB | 1.64 kB | ✓ |
| routerDirect..bf84.js gzip | 303 B | 303 B | ✓ |
| withRouter-a..5826.js gzip | 302 B | 302 B | ✓ |
| Overall change | 8.09 kB | 8.09 kB | ✓ |
Client Build Manifests
| vercel/next.js canary | leerob/next.js cra | Change | |
|---|---|---|---|
| _buildManifest.js gzip | 321 B | 321 B | ✓ |
| Overall change | 321 B | 321 B | ✓ |
Serverless bundles
| vercel/next.js canary | leerob/next.js cra | Change | |
|---|---|---|---|
| _error.js | 1 MB | 1 MB | ✓ |
| 404.html | 2.67 kB | 2.67 kB | ✓ |
| hooks.html | 1.92 kB | 1.92 kB | ✓ |
| index.js | 1 MB | 1 MB | ✓ |
| link.js | 1.06 MB | 1.06 MB | ✓ |
| routerDirect.js | 1.05 MB | 1.05 MB | ✓ |
| withRouter.js | 1.05 MB | 1.05 MB | ✓ |
| Overall change | 5.18 MB | 5.18 MB | ✓ |
lfades
reviewed
Jan 18, 2021
Co-authored-by: Luis Alvarez D. <luis@vercel.com>
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Closes #17454 and supersedes #17546.