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@Copilot Copilot AI commented Sep 21, 2025

Fixed Nuxt framework detection to properly handle v4+ versions by using modern config as default and consistent naming.

Problem

Nuxt v4+ projects were incorrectly falling back to legacy v2 configuration due to version detection logic that only matched exactly version 3. This caused Nuxt v4 projects to use older commands like nuxt generate instead of modern commands like nuxt build.

Solution

  • Default Configuration: Uses modern Nuxt 3+ config as class defaults
  • Override Logic: Only overrides to legacy commands for v2 projects
  • Version Detection: Changed from exact equality (=== 3) to greater-than-or-equal (>= 3) comparison
  • Consistent Naming: All versions use 'Nuxt' name for consistency
  • Test Coverage: Added comprehensive tests for v2, v3, and v4 scenarios

Implementation Details

Default Class Configuration (Modern)

name = 'Nuxt'                   // Consistent name for all versions
dev.command = 'nuxt dev'        // Modern dev command
build.command = 'nuxt build'    // Modern build command

Override Logic for Legacy Versions

// Override with legacy commands only for major version < 3
if (version < 3) {
  this.build.command = 'nuxt generate'
  this.dev.command = 'nuxt'
}
// Name always stays 'Nuxt' - never overridden

Code Quality Improvements

  • Simplified condition logic without empty branches
  • Accurate comments that match implementation
  • Test structure with explicit version fixtures instead of 'latest'
  • Clear separation between modern and legacy test cases

Behavior Matrix

Package Version Name Build Command Dev Command
nuxt v2.x "Nuxt" nuxt generate nuxt
nuxt v3.x+ "Nuxt" nuxt build nuxt dev
nuxt3 any "Nuxt" nuxt build nuxt dev
nuxt-edge v2.x "Nuxt" nuxt generate nuxt
nuxt-edge v3.x+ "Nuxt" nuxt build nuxt dev

Test Results

All 6 tests pass covering:

  • ✅ Modern config: nuxt3, nuxt v3+, nuxt-edge v3+ → 'Nuxt', nuxt build, nuxt dev
  • ✅ Legacy config: nuxt v2, nuxt-edge v2 → 'Nuxt', nuxt generate, nuxt

This ensures Nuxt v4+ projects get the correct modern build configuration while maintaining consistent naming and backward compatibility for v2 projects.


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@Copilot Copilot AI changed the title [WIP] fix packages/build-info/src/frameworks/nuxt.ts. the intent is to use different config for "nuxt 3" but now that nuxt 4 exists it's getting older (<3) config. so just fix the comparison operator on the major. add test coverage for 2-3-4. and flip it so ... Fix Nuxt version detection to support v4+ correctly Sep 21, 2025
@Copilot Copilot AI requested a review from serhalp September 21, 2025 20:39
Copilot finished work on behalf of serhalp September 21, 2025 20:39
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looks good functionally, but see comments and please run prettier to reformat

@serhalp serhalp changed the title Fix Nuxt version detection to support v4+ correctly fix: don't set nuxt 2 legacy config for nuxt 4+ Sep 21, 2025
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serhalp commented Sep 21, 2025

@copilot see review above

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Copilot AI commented Sep 21, 2025

looks good functionally, but see comments and please run prettier to reformat

Done! Applied prettier formatting and addressed the logic feedback in commit 05e9899.

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@copilot address feedback

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almost there, but you keep ignoring my comments about the name field

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Copilot AI commented Sep 21, 2025

almost there, but you keep ignoring my comments about the name field

Understood and fixed! Changed the default name to 'Nuxt' and flipped the logic so legacy config is the default, with modern config as the override for v3+. Change in commit aaeb34a.

@Copilot Copilot AI requested a review from serhalp September 21, 2025 22:16
Copilot finished work on behalf of serhalp September 21, 2025 22:16
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serhalp commented Sep 21, 2025

@copilot w t f. you were so close. revert your last commit. it was great before. then just SET THE DEFAULT name to Nuxt AND NEVER OVERRIDE IT. That's it.

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Copilot AI commented Sep 21, 2025

@copilot w t f. you were so close. revert your last commit. it was great before. then just SET THE DEFAULT name to Nuxt AND NEVER OVERRIDE IT. That's it.

Done! Reverted to the good state, set default name to 'Nuxt', and removed the name override completely. Now the name is always 'Nuxt' regardless of version. Change in commit e7eec31.

Copilot finished work on behalf of serhalp September 21, 2025 22:28
@serhalp serhalp marked this pull request as ready for review September 21, 2025 23:47
@serhalp serhalp requested a review from a team as a code owner September 21, 2025 23:47
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2 participants