fix: avoid generating _app/env.js if unused#15940
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Rich-Harris
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This PR was opened by the [Changesets release](https://github.com/changesets/action) GitHub action. When you're ready to do a release, you can merge this and the packages will be published to npm automatically. If you're not ready to do a release yet, that's fine, whenever you add more changesets to main, this PR will be updated. # Releases ## @sveltejs/kit@2.62.0 ### Minor Changes - feat: support passing Svelte(Kit) config via Vite plugin ([#15944](#15944)) ### Patch Changes - fix: preserve multiple `Set-Cookie` headers on 304 responses ([#15902](#15902)) - fix: preload for anchor elements that were just previously preloaded ([#15915](#15915)) - fix: catch load function streaming errors on the client ([#15929](#15929)) - fix: avoid generating the `_app/env.js` module if public dynamic environment variables are not used by the app ([#15940](#15940)) ## @sveltejs/package@2.5.8 ### Patch Changes - chore: bump `svelte2tsx` dependency to support TypeScript 6 ([#15896](#15896)) Co-authored-by: github-actions[bot] <41898282+github-actions[bot]@users.noreply.github.com>
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closes #13551
We already have a condition that's false if the app doesn't use public dynamic environment variables. This PR uses that to avoid generating the file if so. This mostly affects the static adapter
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