fix(cli): prevent both nuxt & nuxt-edge being installed

[clarkdo]

Types of changes

• Bug fix (a non-breaking change which fixes an issue)
• New feature (a non-breaking change which adds functionality)
• Breaking change (fix or feature that would cause existing functionality to change)

Description

Resolve issue caused by installing nuxt & nuxt-edge at same time, like #5996

Checklist:

• My change requires a change to the documentation.
• I have updated the documentation accordingly. (PR: #)
• I have added tests to cover my changes (if not applicable, please state why)
• All new and existing tests are passing.

[codecov-io]

Codecov Report

Merging #6020 into dev will increase coverage by <.01%.
The diff coverage is 100%.

@@            Coverage Diff             @@
##              dev    #6020      +/-   ##
==========================================
+ Coverage   95.68%   95.69%   +<.01%     
==========================================
  Files          82       82              
  Lines        2689     2693       +4     
  Branches      690      692       +2     
==========================================
+ Hits         2573     2577       +4     
  Misses         98       98              
  Partials       18       18

Flag	Coverage Δ
#e2e	100% <ø> (ø)	⬆️
#fixtures	50.27% <0%> (-0.08%)	⬇️
#unit	92.68% <100%> (+0.01%)	⬆️

Impacted Files	Coverage Δ
packages/cli/src/run.js	100% <100%> (ø)	⬆️

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[pimlie]

Small nitpick, the error message says please remove the unused one

This is an assumption, eg the user might be trying to use both at the same time. Maybe better to say something like Both nuxt as nuxt-edge are installed. This is unsupported, please choose one and uninstall the other.

[pimlie]

Thanks :)

[clarkdo]

@pi0 @pimlie 🎉