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fix(lib): respect rollupOptions.input in lib mode #10116

merged 1 commit into from Sep 19, 2022


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@lsdsjy lsdsjy commented Sep 14, 2022

Fixes #9086


#7275 introduced a regression which caused rollupOptions.input to be ignored in library mode. Before that, the de facto behaviour in library mode is rollupOptions.input overwriting lib.entry. This PR tweaks the config merging behaviour so that rollupOptions.input is only ignored in SSR mode.

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What is the purpose of this pull request?

  • Bug fix
  • New Feature
  • Documentation update
  • Other

Before submitting the PR, please make sure you do the following

  • Read the Contributing Guidelines.
  • Read the Pull Request Guidelines and follow the Commit Convention.
  • Check that there isn't already a PR that solves the problem the same way to avoid creating a duplicate.
  • Provide a description in this PR that addresses what the PR is solving, or reference the issue that it solves (e.g. fixes #123).
  • Ideally, include relevant tests that fail without this PR but pass with it.

@patak-dev patak-dev added p4-important Violate documented behavior or significantly improves performance (priority) feat: library mode labels Sep 14, 2022
@patak-dev patak-dev merged commit c948e7d into vitejs:main Sep 19, 2022
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DrJume commented Oct 18, 2022

This PR breaks the cypress-vite preprocessor:

Error: Invalid value for option "output.inlineDynamicImports" - multiple inputs are not supported when "output.inlineDynamicImports" is true.
    at error (file:///runner/_work/<project>/node_modules/.pnpm/rollup@2.78.1/node_modules/rollup/dist/es/shared/rollup.js:1858:30)
    at getInlineDynamicImports (file:///runner/_work/<project>/node_modules/.pnpm/rollup@2.78.1/node_modules/rollup/dist/es/shared/rollup.js:23490:16)
    at normalizeOutputOptions (file:///runner/_work/<project>/node_modules/.pnpm/rollup@2.78.1/node_modules/rollup/dist/es/shared/rollup.js:23392:34)
    at getOutputOptions (file:///runner/_work/<project>/node_modules/.pnpm/rollup@2.78.1/node_modules/rollup/dist/es/shared/rollup.js:23781:12)
    at getOutputOptionsAndPluginDriver (file:///runner/_work/<project>/node_modules/.pnpm/rollup@2.78.1/node_modules/rollup/dist/es/shared/rollup.js:23776:12)
    at handleGenerateWrite (file:///runner/_work/<project>/node_modules/.pnpm/rollup@2.78.1/node_modules/rollup/dist/es/shared/rollup.js:23751:74)
    at Object.write (file:///runner/_work/<project>/node_modules/.pnpm/rollup@2.78.1/node_modules/rollup/dist/es/shared/rollup.js:23721:20)
    at generate (file:///runner/_work/<project>/node_modules/.pnpm/vite@3.1.8/node_modules/vite/dist/node/chunks/dep-4da11a5e.js:45818:64)
    at doBuild (file:///runner/_work/<project>/node_modules/.pnpm/vite@3.1.8/node_modules/vite/dist/node/chunks/dep-4da11a5e.js:45826:32)
    at async (file:///runner/_work/<project>/node_modules/.pnpm/vite@3.1.8/node_modules/vite/dist/node/chunks/dep-4da11a5e.js:45662:16)
    at async Object.handler (/runner/_work/<project>/node_modules/.pnpm/cypress-vite@1.2.0_vite@3.1.8/node_modules/cypress-vite/dist/index.js:[97](

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patak-dev commented Oct 18, 2022

@DrJume would you create a new issue so we can properly track the regression?

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feat: library mode p4-important Violate documented behavior or significantly improves performance (priority)
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build.lib overwrites build.rollupOptions.input in v3
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