Skip to content

Turbopack: remove unused code #88274

New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Jump to bottom
Merged
mischnic merged 1 commit into from
Jan 8, 2026
Merged

Turbopack: remove unused code #88274

mischnic merged 1 commit into from
Jan 8, 2026
+0 −355

Conversation

@mischnic
Copy link
Contributor

@mischnic mischnic commented Jan 8, 2026

No description provided.

@nextjs-bot nextjs-bot added created-by: Turbopack team PRs by the Turbopack team. Turbopack Related to Turbopack with Next.js. labels Jan 8, 2026
@mischnic Graphite App
Copy link
Contributor Author

mischnic commented Jan 8, 2026

This stack of pull requests is managed by Graphite. Learn more about stacking.

@nextjs-bot
Copy link
Collaborator

nextjs-bot commented Jan 8, 2026

Allow CI Workflow Run

  • approve CI run for commit: d5a7d91

Note: this should only be enabled once the PR is ready to go and can only be enabled by a maintainer

1 similar comment
@nextjs-bot
Copy link
Collaborator

nextjs-bot commented Jan 8, 2026

Allow CI Workflow Run

  • approve CI run for commit: d5a7d91

Note: this should only be enabled once the PR is ready to go and can only be enabled by a maintainer

@mischnic mischnic requested a review from a team January 8, 2026 12:13
@mischnic mischnic marked this pull request as ready for review January 8, 2026 12:13
@nextjs-bot
Copy link
Collaborator

nextjs-bot commented Jan 8, 2026

Stats from current PR

✅ No significant changes detected

📊 All Metrics
📖 Metrics Glossary

Dev Server Metrics:

  • Listen = TCP port starts accepting connections
  • First Request = HTTP server returns successful response
  • Cold = Fresh build (no cache)
  • Warm = With cached build artifacts

Build Metrics:

  • Fresh = Clean build (no .next directory)
  • Cached = With existing .next directory

Change Thresholds:

  • Time: Changes < 50ms AND < 10%, OR < 2% are insignificant
  • Size: Changes < 1KB AND < 1% are insignificant
  • All other changes are flagged to catch regressions

⚡ Dev Server

Metric Canary PR Change Trend
Cold (Listen) 455ms 456ms ✓ ▁█▁▁▁
Cold (First Request) 1.185s 1.132s ✓ █▂█▇▇
Warm (Listen) 456ms 456ms ✓ ▁██▁█
Warm (First Request) 367ms 414ms ✓ ▂█▁▁▄
📦 Dev Server (Webpack) (Legacy)

📦 Dev Server (Webpack)

Metric Canary PR Change Trend
Cold (Listen) 455ms 455ms ✓ ▁▁▁▁▁
Cold (First Request) 1.817s 1.821s ✓ ▃▄▄▃▁
Warm (Listen) 456ms 457ms ✓ ▁▁▁▁▁
Warm (First Request) 1.825s 1.824s ✓ ▃▃▃▂▁

⚡ Production Builds

Metric Canary PR Change Trend
Fresh Build 4.120s 4.107s ✓ ▁█▁▁▁
Cached Build 4.113s 4.158s ✓ ▂█▁▂▁
📦 Production Builds (Webpack) (Legacy)

📦 Production Builds (Webpack)

Metric Canary PR Change Trend
Fresh Build 13.875s 13.842s ✓ ▂▂▁▁▁
Cached Build 13.976s 14.036s ✓ ▁▂▂▁▁
node_modules Size 457 MB 457 MB ✓ █████
📦 Bundle Sizes

Bundle Sizes

⚡ Turbopack

Client

Main Bundles: **431 kB** → **431 kB** ⚠️ +2 B

82 files with content-based hashes (individual files not comparable between builds)

Server

Middleware
Canary PR Change
middleware-b..fest.js gzip 785 B 788 B ✓
Total 785 B 788 B ⚠️ +3 B
Build Details
Build Manifests
Canary PR Change
_buildManifest.js gzip 451 B 451 B ✓
Total 451 B 451 B ✓

📦 Webpack

Client

Main Bundles
Canary PR Change
2086.HASH.js gzip 169 B N/A -
2161-HASH.js gzip 5.4 kB N/A -
2747-HASH.js gzip 4.48 kB N/A -
4322-HASH.js gzip 52.7 kB N/A -
ec793fe8-HASH.js gzip 62.3 kB N/A -
framework-HASH.js gzip 59.8 kB 59.8 kB ✓
main-app-HASH.js gzip 251 B 254 B 🔴 +3 B (+1%)
main-HASH.js gzip 38.6 kB 38.9 kB ✓
webpack-HASH.js gzip 1.68 kB 1.68 kB ✓
1596.HASH.js gzip N/A 169 B -
2658-HASH.js gzip N/A 52.5 kB -
6349-HASH.js gzip N/A 4.46 kB -
7019-HASH.js gzip N/A 5.42 kB -
b17a3386-HASH.js gzip N/A 62.3 kB -
Total 225 kB 225 kB ⚠️ +160 B
Polyfills
Canary PR Change
polyfills-HASH.js gzip 39.4 kB 39.4 kB ✓
Total 39.4 kB 39.4 kB ✓
Pages
Canary PR Change
_app-HASH.js gzip 194 B 193 B ✓
_error-HASH.js gzip 182 B 182 B ✓
css-HASH.js gzip 336 B 335 B ✓
dynamic-HASH.js gzip 1.8 kB 1.8 kB ✓
edge-ssr-HASH.js gzip 256 B 256 B ✓
head-HASH.js gzip 352 B 349 B ✓
hooks-HASH.js gzip 385 B 384 B ✓
image-HASH.js gzip 580 B 580 B ✓
index-HASH.js gzip 259 B 258 B ✓
link-HASH.js gzip 2.5 kB 2.51 kB ✓
routerDirect..HASH.js gzip 319 B 317 B ✓
script-HASH.js gzip 385 B 387 B ✓
withRouter-HASH.js gzip 316 B 315 B ✓
1afbb74e6ecf..834.css gzip 106 B 106 B ✓
Total 7.97 kB 7.96 kB ✅ -8 B

Server

Edge SSR
Canary PR Change
edge-ssr.js gzip 124 kB 124 kB ✓
page.js gzip 240 kB 241 kB ✓
Total 364 kB 365 kB ⚠️ +1.05 kB
Middleware
Canary PR Change
middleware-b..fest.js gzip 653 B 654 B ✓
middleware-r..fest.js gzip 155 B 156 B ✓
middleware.js gzip 32.7 kB 33 kB ✓
edge-runtime..pack.js gzip 842 B 842 B ✓
Total 34.4 kB 34.6 kB ⚠️ +227 B
Build Details
Build Manifests
Canary PR Change
_buildManifest.js gzip 738 B 738 B ✓
Total 738 B 738 B ✓
Build Cache
Canary PR Change
0.pack gzip 3.63 MB 3.64 MB 🔴 +14.8 kB (+0%)
index.pack gzip 99.1 kB 100 kB ✓
index.pack.old gzip 99.8 kB 101 kB 🔴 +1.57 kB (+2%)
Total 3.83 MB 3.84 MB ⚠️ +17.2 kB

🔄 Shared (bundler-independent)

Runtimes
Canary PR Change
app-page-exp...dev.js gzip 303 kB 303 kB ✓
app-page-exp..prod.js gzip 158 kB 158 kB ✓
app-page-tur...dev.js gzip 303 kB 303 kB ✓
app-page-tur..prod.js gzip 158 kB 158 kB ✓
app-page-tur...dev.js gzip 299 kB 299 kB ✓
app-page-tur..prod.js gzip 156 kB 156 kB ✓
app-page.run...dev.js gzip 300 kB 300 kB ✓
app-page.run..prod.js gzip 156 kB 156 kB ✓
app-route-ex...dev.js gzip 68.7 kB 68.7 kB ✓
app-route-ex..prod.js gzip 47.5 kB 47.5 kB ✓
app-route-tu...dev.js gzip 68.7 kB 68.7 kB ✓
app-route-tu..prod.js gzip 47.6 kB 47.6 kB ✓
app-route-tu...dev.js gzip 68.3 kB 68.3 kB ✓
app-route-tu..prod.js gzip 47.3 kB 47.3 kB ✓
app-route.ru...dev.js gzip 68.3 kB 68.3 kB ✓
app-route.ru..prod.js gzip 47.3 kB 47.3 kB ✓
dist_client_...dev.js gzip 324 B 324 B ✓
dist_client_...dev.js gzip 326 B 326 B ✓
dist_client_...dev.js gzip 318 B 318 B ✓
dist_client_...dev.js gzip 317 B 317 B ✓
pages-api-tu...dev.js gzip 41.1 kB 41.1 kB ✓
pages-api-tu..prod.js gzip 31.2 kB 31.2 kB ✓
pages-api.ru...dev.js gzip 41 kB 41 kB ✓
pages-api.ru..prod.js gzip 31.2 kB 31.2 kB ✓
pages-turbo....dev.js gzip 50.8 kB 50.8 kB ✓
pages-turbo...prod.js gzip 38.2 kB 38.2 kB ✓
pages.runtim...dev.js gzip 50.7 kB 50.7 kB ✓
pages.runtim..prod.js gzip 38.2 kB 38.2 kB ✓
server.runti..prod.js gzip 62.2 kB 62.2 kB ✓
Total 2.68 MB 2.68 MB ⚠️ +1 B

@mischnic mischnic merged commit abf056b into canary Jan 8, 2026
164 of 168 checks passed
@mischnic mischnic deleted the mischnic/unused-code branch January 8, 2026 18:46
pablofdezr pushed a commit to pablofdezr/next.js that referenced this pull request Jan 8, 2026
@mischnic @pablofdezr
Turbopack: remove unused code (vercel#88274)
25c865e
Sign up for free to join this conversation on GitHub. Already have an account? Sign in to comment

Reviewers

@lukesandberg lukesandberg lukesandberg approved these changes

Assignees

No one assigned

Labels

created-by: Turbopack team PRs by the Turbopack team. Turbopack Related to Turbopack with Next.js.

Projects

None yet

Milestone

No milestone

Development

Successfully merging this pull request may close these issues.

4 participants

@mischnic @nextjs-bot @lukesandberg