fix: incorrect preload link for multiple densities

[raggesilver]

NuxtImg did not add correct preload links for images that had multiple densities but only one size which caused the preload tag to load 1x images for devices with 2x pixel ratio. That is now fixed.

🔗 Linked issue

Resolves #1850

❓ Type of change

• 📖 Documentation (updates to the documentation or readme)
• 🐞 Bug fix (a non-breaking change that fixes an issue)
• 👌 Enhancement (improving an existing functionality)
• ✨ New feature (a non-breaking change that adds functionality)
• 🧹 Chore (updates to the build process or auxiliary tools and libraries)
• ⚠️ Breaking change (fix or feature that would cause existing functionality to change)

📚 Description

Do not require both sizes and densities to be set to generate imagesrcset. Take each of them into account.

[pkg-pr-new]

Open in StackBlitz

npm i https://pkg.pr.new/@nuxt/image@1851

commit: 4aa2807

[codecov-commenter]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 7.09%. Comparing base (96ec681) to head (4aa2807).

Additional details and impacted files

@@          Coverage Diff          @@
##            main   #1851   +/-   ##
=====================================
  Coverage   7.08%   7.09%           
=====================================
  Files         76      76           
  Lines       3527    3525    -2     
  Branches     137     137           
=====================================
  Hits         250     250           
+ Misses      3230    3228    -2     
  Partials      47      47           

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[ahmadalfy]

Can we get this simple merge request merged? I can confirm this change applies the needed fix.

[vercel]

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1 Skipped Deployment

Project	Deployment	Preview	Updated (UTC)
image-docus	Ignored		Aug 19, 2025 3:53pm