fix: improve non-tty output - #1491
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CLI benchmark
Full report
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| Setting | Value |
|---|---|
| Baseline | ref:d6b96fd67d3eba49281c12d779f622bda9e23742 (v4.0.0-alpha.0) |
| Head | local packages/nuxt-cli at ddab823 (v4.0.0-alpha.0) |
| Node | v24.19.0 |
| OS | Linux 6.17.0 (kernel 6.17.0-1022-azure) |
| CPU | AMD EPYC 7763 64-Core Processor x 4 |
| Memory | 15.6 GB |
| Load average at start | 0.65, 0.21, 0.07 |
| Run started | 2026-08-24T22:08:03.410Z |
Cold CLI startup
Median of 15 interleaved runs per command, one warmup discarded.
| Command | baseline v4.0.0-alpha.0 median | head v4.0.0-alpha.0 median | Delta | baseline v4.0.0-alpha.0 min / p95 | head v4.0.0-alpha.0 min / p95 |
|---|---|---|---|---|---|
nuxt --version |
71 ms | 70 ms | -1.1% | 66 ms / 73 ms | 67 ms / 74 ms |
nuxt --version (first output byte) |
66 ms | 65 ms | -1.3% | 61 ms / 69 ms | 62 ms / 69 ms |
nuxt --help |
151 ms | 149 ms | -1.4% | 145 ms / 155 ms | 139 ms / 153 ms |
nuxt --help (first output byte) |
145 ms | 143 ms | -1.0% | 139 ms / 149 ms | 134 ms / 147 ms |
nuxt dev --help |
112 ms | 114 ms | +1.7% | 109 ms / 117 ms | 106 ms / 116 ms |
nuxt dev --help (first output byte) |
107 ms | 109 ms | +1.6% | 104 ms / 112 ms | 101 ms / 111 ms |
nuxt <unknown-command> (no-op) |
160 ms | 160 ms | -0.2% | 151 ms / 162 ms | 152 ms / 165 ms |
nuxt <unknown-command> (no-op) (first output byte) |
154 ms | 154 ms | -0.2% | 145 ms / 156 ms | 146 ms / 159 ms |
Module load cost
Counted with a module.registerHooks load hook, compile cache disabled. Counts every JS module actually evaluated on that code path (built-ins excluded, native addons excluded).
| Command | baseline v4.0.0-alpha.0 modules | head v4.0.0-alpha.0 modules | Delta | baseline v4.0.0-alpha.0 source bytes | head v4.0.0-alpha.0 source bytes | Delta |
|---|---|---|---|---|---|---|
nuxt --version |
38 | 38 | 0.0% | 296.6 kB | 298.1 kB | +0.5% |
nuxt --help |
134 | 134 | 0.0% | 994.4 kB | 996.1 kB | +0.2% |
nuxt dev --help |
79 | 79 | 0.0% | 601.1 kB | 602.9 kB | +0.3% |
Install footprint and published tarball
Each version installed on its own into an empty project with nothing but @nuxt/cli as a dependency, so the tree is exactly the CLI and its transitive dependencies. npm cache is warm and the registry is only consulted for metadata, so install wall time is indicative, not a network benchmark.
| Metric | baseline v4.0.0-alpha.0 | head v4.0.0-alpha.0 | Delta |
|---|---|---|---|
Direct dependencies of @nuxt/cli |
21 | 21 | 0.0% |
| Packages in the installed tree (unique name@version) | 34 | 34 | 0.0% |
| Unique package names | 34 | 34 | 0.0% |
| Package directories on disk (cross-check) | 28 | 28 | 0.0% |
Installed node_modules on disk |
2.35 MB | 2.35 MB | +0.1% |
| Installed files | 418 | 418 | 0.0% |
| Install wall time (warm npm cache, median of 3) | 724 ms | 723 ms | -0.1% |
| Published tarball (packed) | 274.7 kB | 275.1 kB | +0.2% |
| Published tarball (unpacked) | 951.6 kB | 953.5 kB | +0.2% |
| Files in tarball | 130 | 130 | 0.0% |
Interleaved runs on a shared runner: trust the deltas, not the absolute timings. The dev, restart and build suites run locally via pnpm bench:cli.
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Warning Review limit reachedNext included review available in 32 minutes. View limit detailsLimit details: You’ve used all 2 included reviews currently available. You've used all free OSS reviews for now. Wait for the free limit to reset to keep reviewing this public repository. Review configuration: ⚙️ Run configurationConfiguration used: Organization UI Review profile: CHILL Plan: Pro Plus Run ID: 📒 Files selected for processing (3)
📝 WalkthroughWalkthroughThe CLI now uses the local logger for Estimated code review effort: 3 (Moderate) | ~20 minutes Merge Risk: 🟡 Moderate · up to This PR changes non-interactive terminal output and related shortcut behavior, but the current tests can fail or skip intended assertions under CI, and one test can leak TTY state into later tests; merge should wait for these test-isolation fixes, with the redirected-output edge case reviewed by the owner. 🚥 Pre-merge checks | ✅ 4 | ❌ 1❌ Failed checks (1 warning)
✅ Passed checks (4 passed)
✨ Finishing Touches 💡 1📝 Generate docstrings 💡
🧪 Generate unit tests (beta)
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Actionable comments posted: 2
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Inline comments:
In `@packages/nuxt-cli/test/unit/listen.spec.ts`:
- Around line 379-385: Update the listen QR test to restore process.stdout.isTTY
in a finally block surrounding the rejection assertion, matching the cleanup
pattern used by the earlier QR suppression test and ensuring restoration even
when the assertion fails.
In `@packages/nuxt-cli/test/unit/utils/logger.spec.ts`:
- Around line 39-44: Update the terminal framing test in the logger test setup
to mock std-env with isCI set to false before importing logger, ensuring
defaultImpl selects terminal framing regardless of the CI environment. Preserve
the existing capture(true) setup and │ newline assertion.
Apply the same fix in `@packages/nuxt-cli/test/unit/listen.spec.ts` at line 382:
The same CI-state dependency prevents the intended QR failure assertion.
🪄 Autofix
Fix all unresolved CodeRabbit comments on this PR:
- Push a commit to this branch (recommended)
- Create a new PR with the fixes
ℹ️ Review info
⚙️ Run configuration
Configuration used: Organization UI
Review profile: CHILL
Plan: Pro Plus
Run ID: e0de6821-8beb-458c-94b6-f1b3c8189663
📒 Files selected for processing (13)
packages/nuxt-cli/src/commands/add-template.tspackages/nuxt-cli/src/commands/analyze.tspackages/nuxt-cli/src/commands/build.tspackages/nuxt-cli/src/commands/curl.tspackages/nuxt-cli/src/commands/preview.tspackages/nuxt-cli/src/commands/upgrade.tspackages/nuxt-cli/src/dev/listen.tspackages/nuxt-cli/src/dev/shortcuts.tspackages/nuxt-cli/src/utils/logger.tspackages/nuxt-cli/test/unit/commands/build.spec.tspackages/nuxt-cli/test/unit/listen.spec.tspackages/nuxt-cli/test/unit/shortcuts.spec.tspackages/nuxt-cli/test/unit/utils/logger.spec.ts
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🔗 Linked issue
📚 Description
improve what is printed out for non-interactive terminals