ssg warning
it shows a warning whe n i use pnpm generate
WARN "file:///C:/Users/zhaol/Projects/bluevyadmin-nuxt/nodemodules/.pnpm/nuxt@4.1.3@parcel+watcher@_674dfa8c81bca27ffe7433854a124509/node_modules/nuxt/dist/core/runtime/nitro/utils/cache-driver.js" is imported by "virtual:#nitro-internal-virtual/storage", but could not be resolved – treating it as an external dependency.
2 Replies
Hi @Zhaolin Lau. I'm kapa.ai, your friendly support bot. I will try to answer your question by searching through the knowledge base. :wave:
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The warning you are seeing during SSG (
pnpm generate):
is related to how Nuxt handles internal Nitro storage and cache drivers. This warning typically appears when the build process tries to import a file (in this case, cache-driver.js) that cannot be resolved, so it treats it as an external dependency.
From the knowledge sources, there have been recent changes in Nuxt 3.11+ and 4.x regarding how the pre-render cache is handled. Previously, the cache was stored in memory, but now it uses a file-based cache driver in the .nuxt/cache/nitro/prerender folder. Issues with path resolution or encoding (especially on Windows) have been reported, but the warning itself does not necessarily indicate a critical error—it's more of a notification that the file could not be bundled and is being treated as external. This can happen due to differences in how paths are resolved on different operating systems or package managers, especially with pnpm's strict node_modules structure.
Unless you are experiencing actual build failures or missing output, this warning can generally be ignored. However, if you do encounter issues with SSG output or prerendering, make sure you are using the latest Node.js LTS version and the latest Nuxt and pnpm versions, as some related bugs have been fixed in recent releases. If the problem persists, consider cleaning your node_modules and lockfile and reinstalling dependencies, as this has resolved similar issues for other users.
If you are seeing actual errors or missing files in your output, please provide more details so I can assist further. Otherwise, this warning alone is not known to break SSG builds based on the available knowledge sources.
References:
- Nuxt cache driver changes and related issues
- Stack Overflow: SSG build warnings
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