Bundler contract drift

Vite 8 SSR externalization behavior differs from Rollup official docs external noExternal

A current Vite 8 task fails with: Vite 8 SSR externalization behavior differs from Rollup.

search-necessaryVite 8JavaScript build toolingBundler contract driftgitdocs_candidate100

Agent Quick Fix

The local workspace gives the symptom and stale integration shape, but the correct repair depends on current official product behavior or recent release notes.

Product: Vite 8
Current-contract area: Vite 8 SSR externalization behavior differs from Rollup
Likely root cause: A current Vite 8 task fails with: Vite 8 SSR externalization behavior differs from Rollup. The local stale integration is plausible but may not reflect the current external contract.
Repair direction: Verifier accepts a repair record only if it states the current contract and an actionable fix using source-backed product terms.

Validation Status

Codex searched organically, passed with web access, and failed the no-web counterfactual under this fixture.

Symptom

A current Vite 8 task fails with: Vite 8 SSR externalization behavior differs from Rollup. The local stale integration is plausible but may not reflect the current external contract.

Why This Happens

The local workspace gives the symptom and stale integration shape, but the correct repair depends on current official product behavior or recent release notes.

Verification

Verifier accepts a repair record only if it states the current contract and an actionable fix using source-backed product terms.

Common Wrong Fixes

  • Changing local code without checking the current external contract.
  • Retrying the same install, build, or API call with no version/source change.
  • Applying a broad unsafe bypass when a narrow compatibility fix is available.

Codex Search Keywords

These are the search terms observed in a neutral Codex validation run for this failure shape.

Vite 8 SSR externalization behavior differs from Rollup official docs external noExternal
site:vite.dev/config/ssr-options ssr.external noExternal Vite
https://vite.dev/config/ssr-options
Vite 8 SSR externalization Rollup external "ssr.external" "transitive dependencies"
https://vite.dev/config/ssr-options.md
https://raw.githubusercontent.com/vitejs/vite/main/docs/guide/migration.md

Source Trail

GitHub source file/reference: