Turbopack: improve selective read support to allow Equivalent keys

[sokra]

What?

Allow keys for selective reads to be something equivalent to the key instead of only exactly a reference of the key.

[sokra]

• Turbopack: selective reads of defined env vars in module analysis #88759
• Turbopack: improve selective read support to allow Equivalent keys #88760 👈 (View in Graphite)
• canary

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

[nextjs-bot]

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)	558ms	559ms	✓	▅▁▁▁█
Cold (Ready in log)	521ms	537ms	✓	▄▅▆▁█
Cold (First Request)	1.029s	1.048s	✓	▁██▁▅
Warm (Listen)	559ms	508ms	✓	▁▁▁▁█
Warm (Ready in log)	533ms	509ms	✓	▂▁▁▁█
Warm (First Request)	422ms	388ms	✓	▃▆▅▁█

⚡ Production Builds

Metric	Canary	PR	Change	Trend
Fresh Build	5.071s	5.319s	✓	▃▁▁▂█
Cached Build	5.245s	5.137s	✓	▄▁▁▂█

📦 Production Builds (Webpack) (Legacy)

📦 Production Builds (Webpack)

Metric	Canary	PR	Change	Trend
node_modules Size	461 MB	461 MB	✓	▁████

📦 Bundle Sizes

Bundle Sizes

⚡ Turbopack

Client

Main Bundles: **432 kB** → **432 kB** ✅ -32 B

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

Server

Middleware

	Canary	PR	Change
middleware-b..fest.js gzip	762 B	768 B	✓
Total	762 B	768 B	⚠️ +6 B

Build Details

Build Manifests

	Canary	PR	Change
_buildManifest.js gzip	450 B	451 B	✓
Total	450 B	451 B	⚠️ +1 B

🔄 Shared (bundler-independent)

Runtimes

	Canary	PR	Change
app-page-exp...dev.js gzip	306 kB	306 kB	✓
app-page-exp..prod.js gzip	163 kB	163 kB	✓
app-page-tur...dev.js gzip	306 kB	306 kB	✓
app-page-tur..prod.js gzip	163 kB	163 kB	✓
app-page-tur...dev.js gzip	303 kB	303 kB	✓
app-page-tur..prod.js gzip	161 kB	161 kB	✓
app-page.run...dev.js gzip	303 kB	303 kB	✓
app-page.run..prod.js gzip	161 kB	161 kB	✓
app-route-ex...dev.js gzip	69.4 kB	69.4 kB	✓
app-route-ex..prod.js gzip	48.2 kB	48.2 kB	✓
app-route-tu...dev.js gzip	69.5 kB	69.5 kB	✓
app-route-tu..prod.js gzip	48.2 kB	48.2 kB	✓
app-route-tu...dev.js gzip	69.1 kB	69.1 kB	✓
app-route-tu..prod.js gzip	48 kB	48 kB	✓
app-route.ru...dev.js gzip	69 kB	69 kB	✓
app-route.ru..prod.js gzip	48 kB	48 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	42.5 kB	42.5 kB	✓
pages-api-tu..prod.js gzip	32.3 kB	32.3 kB	✓
pages-api.ru...dev.js gzip	42.5 kB	42.5 kB	✓
pages-api.ru..prod.js gzip	32.3 kB	32.3 kB	✓
pages-turbo....dev.js gzip	51.8 kB	51.8 kB	✓
pages-turbo...prod.js gzip	38.8 kB	38.8 kB	✓
pages.runtim...dev.js gzip	51.8 kB	51.8 kB	✓
pages.runtim..prod.js gzip	38.8 kB	38.8 kB	✓
server.runti..prod.js gzip	62.3 kB	62.3 kB	✓
Total	2.73 MB	2.73 MB	✅ -2 B

[codspeed-hq]

CodSpeed Performance Report

Merging this PR will not alter performance

_{Comparing sokra/equivalent-selective-read (84bcebc) with canary (13c47b3)}

Summary

✅ 17 untouched benchmarks
⏩ 3 skipped benchmarks¹

Footnotes

1. 3 benchmarks were skipped, so the baseline results were used instead. If they were deleted from the codebase, click here and archive them to remove them from the performance reports. ↩

[sokra]

Merge activity

• Jan 23, 9:56 AM UTC: @sokra merged this pull request with Graphite.