fix(vite): isPreview=true for Vite Preview server#34597
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jaysoo merged 1 commit intonrwl:masterfrom Feb 25, 2026
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<!-- Please make sure you have read the submission guidelines before posting an PR --> <!-- https://github.com/nrwl/nx/blob/master/CONTRIBUTING.md#-submitting-a-pr --> <!-- Please make sure that your commit message follows our format --> <!-- Example: `fix(nx): must begin with lowercase` --> <!-- If this is a particularly complex change or feature addition, you can request a dedicated Nx release for this pull request branch. Mention someone from the Nx team or the `@nrwl/nx-pipelines-reviewers` and they will confirm if the PR warrants its own release for testing purposes, and generate it for you if appropriate. --> ## Current Behavior Given the following Vite config: ```ts import { defineConfig } from 'vite'; export default defineConfig((config) => { console.log(config); return {}; }); ``` `npx nx preview` logs: ```ts { mode: 'development', command: 'build', isSsrBuild: false, isPreview: false } ``` ## Expected Behavior `npx nx preview` should log: ```ts { mode: 'development', command: 'build', isSsrBuild: false, isPreview: true } ``` ## Related Issue(s) vitejs/vite#15694 Fixes # (cherry picked from commit 1e1a8a7)
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<!-- Please make sure you have read the submission guidelines before posting an PR --> <!-- https://github.com/nrwl/nx/blob/master/CONTRIBUTING.md#-submitting-a-pr --> <!-- Please make sure that your commit message follows our format --> <!-- Example: `fix(nx): must begin with lowercase` --> <!-- If this is a particularly complex change or feature addition, you can request a dedicated Nx release for this pull request branch. Mention someone from the Nx team or the `@nrwl/nx-pipelines-reviewers` and they will confirm if the PR warrants its own release for testing purposes, and generate it for you if appropriate. --> ## Current Behavior Given the following Vite config: ```ts import { defineConfig } from 'vite'; export default defineConfig((config) => { console.log(config); return {}; }); ``` `npx nx preview` logs: ```ts { mode: 'development', command: 'build', isSsrBuild: false, isPreview: false } ``` ## Expected Behavior `npx nx preview` should log: ```ts { mode: 'development', command: 'build', isSsrBuild: false, isPreview: true } ``` ## Related Issue(s) vitejs/vite#15694 Fixes # (cherry picked from commit 1e1a8a7)
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Current Behavior
Given the following Vite config:
npx nx previewlogs:Expected Behavior
npx nx previewshould log:Related Issue(s)
vitejs/vite#15694
Fixes #