plugin-react no longer respects `jsxImportSource` settings from tsconfig

[aslilac]

Related plugins

• plugin-react

• plugin-react-swc

• plugin-react-oxc

• plugin-rsc

Describe the bug

As of 5.0.0, it seems that the jsxImportSource setting in our tsconfig.json file is not being respected. Rather than getting the expected @emotion/react transform it just uses the default react transform, which means most of our styles are suddenly missing.

Reproduction

https://stackblitz.com/edit/vitejs-vite-1pz7rlsf?file=package.json

Steps to reproduce

npm i && npm run dev

you can see that when using @vitejs/plugin-react@4.5.0 the demo works just fine and the text is red. when using 5.0.0 the text is black and in the devtools you can see a css="[object Object]" attribute, as the emotion jsx import is not being used and so the prop just gets passed through to the html.

System Info

n/a

Used Package Manager

pnpm

Logs

Click to expand!

npm exec vite -- build --debug
  vite:config config file loaded in 223.72ms +0ms
  vite:env loading env files: [
  vite:env   '/home/projects/vitejs-vite-1pz7rlsf/.env',
  vite:env   '/home/projects/vitejs-vite-1pz7rlsf/.env.local',
  vite:env   '/home/projects/vitejs-vite-1pz7rlsf/.env.production',
  vite:env   '/home/projects/vitejs-vite-1pz7rlsf/.env.production.local'
  vite:env ] +0ms
  vite:env env files loaded in 0.74ms +1ms
  vite:env using resolved env: {} +0ms
  vite:config using resolved config: {
  vite:config   plugins: [
  vite:config     'vite:build-metadata',
  vite:config     'vite:watch-package-data',
  vite:config     'alias',
  vite:config     'vite:react-babel',
  vite:config     'vite:react-refresh',
  vite:config     'vite:modulepreload-polyfill',
  vite:config     'vite:resolve',
  vite:config     'vite:html-inline-proxy',
  vite:config     'vite:css',
  vite:config     'vite:esbuild',
  vite:config     'vite:json',
  vite:config     'vite:wasm-helper',
  vite:config     'vite:worker',
  vite:config     'vite:asset',
  vite:config     'vite:wasm-fallback',
  vite:config     'vite:define',
  vite:config     'vite:css-post',
  vite:config     'vite:build-html',
  vite:config     'vite:worker-import-meta-url',
  vite:config     'vite:asset-import-meta-url',
  vite:config     'vite:force-systemjs-wrap-complete',
  vite:config     'vite:prepare-out-dir',
  vite:config     'commonjs',
  vite:config     'vite:data-uri',
  vite:config     'vite:rollup-options-plugins',
  vite:config     'vite:dynamic-import-vars',
  vite:config     'vite:import-glob',
  vite:config     'vite:build-import-analysis',
  vite:config     'vite:esbuild-transpile',
  vite:config     'vite:terser',
  vite:config     'vite:manifest',
  vite:config     'vite:ssr-manifest',
  vite:config     'vite:reporter',
  vite:config     'vite:load-fallback'
  vite:config   ],
  vite:config   build: {
  vite:config     target: [ 'chrome107', 'edge107', 'firefox104', 'safari16' ],
  vite:config     polyfillModulePreload: true,
  vite:config     modulePreload: { polyfill: true },
  vite:config     outDir: 'dist',
  vite:config     assetsDir: 'assets',
  vite:config     assetsInlineLimit: 4096,
  vite:config     sourcemap: false,
  vite:config     terserOptions: {},
  vite:config     rollupOptions: { onwarn: [Function: onwarn] },
  vite:config     commonjsOptions: { include: [ /node_modules/ ], extensions: [ '.js', '.cjs' ] },
  vite:config     dynamicImportVarsOptions: { warnOnError: true, exclude: [ /node_modules/ ] },
  vite:config     write: true,
  vite:config     emptyOutDir: null,
  vite:config     copyPublicDir: true,
  vite:config     manifest: false,
  vite:config     lib: false,
  vite:config     ssrManifest: false,
  vite:config     ssrEmitAssets: false,
  vite:config     reportCompressedSize: true,
  vite:config     chunkSizeWarningLimit: 500,
  vite:config     watch: null,
  vite:config     cssCodeSplit: true,
  vite:config     minify: 'esbuild',
  vite:config     ssr: false,
  vite:config     emitAssets: true,
  vite:config     createEnvironment: [Function: createEnvironment],
  vite:config     cssTarget: [ 'chrome107', 'edge107', 'firefox104', 'safari16' ],
  vite:config     cssMinify: true
  vite:config   },
  vite:config   esbuild: { jsxDev: false, jsx: 'automatic', jsxImportSource: undefined },
  vite:config   optimizeDeps: {
  vite:config     include: [
  vite:config       'react',
  vite:config       'react-dom',
  vite:config       'react/jsx-dev-runtime',
  vite:config       'react/jsx-runtime'
  vite:config     ],
  vite:config     exclude: [],
  vite:config     needsInterop: [],
  vite:config     extensions: [],
  vite:config     disabled: undefined,
  vite:config     holdUntilCrawlEnd: true,
  vite:config     force: false,
  vite:config     noDiscovery: false,
  vite:config     esbuildOptions: { preserveSymlinks: false, jsx: 'automatic' }
  vite:config   },
  vite:config   resolve: {
  vite:config     externalConditions: [ 'node', 'module-sync' ],
  vite:config     extensions: [
  vite:config       '.mjs',  '.js',
  vite:config       '.mts',  '.ts',
  vite:config       '.jsx',  '.tsx',
  vite:config       '.json'
  vite:config     ],
  vite:config     dedupe: [ 'react', 'react-dom' ],
  vite:config     noExternal: [],
  vite:config     external: [],
  vite:config     preserveSymlinks: false,
  vite:config     alias: [
  vite:config       {
  vite:config         find: /^\/?@vite\/env/,
  vite:config         replacement: '/@fs/home/projects/vitejs-vite-1pz7rlsf/node_modules/vite/dist/client/env.mjs'
  vite:config       },
  vite:config       {
  vite:config         find: /^\/?@vite\/client/,
  vite:config         replacement: '/@fs/home/projects/vitejs-vite-1pz7rlsf/node_modules/vite/dist/client/client.mjs'
  vite:config       }
  vite:config     ],
  vite:config     mainFields: [ 'browser', 'module', 'jsnext:main', 'jsnext' ],
  vite:config     conditions: [ 'module', 'browser', 'development|production' ],
  vite:config     builtins: []
  vite:config   },
  vite:config   environments: {
  vite:config     client: {
  vite:config       define: undefined,
  vite:config       resolve: {
  vite:config         externalConditions: [ 'node', 'module-sync' ],
  vite:config         extensions: [
  vite:config           '.mjs',  '.js',
  vite:config           '.mts',  '.ts',
  vite:config           '.jsx',  '.tsx',
  vite:config           '.json'
  vite:config         ],
  vite:config         dedupe: [ 'react', 'react-dom' ],
  vite:config         noExternal: [],
  vite:config         external: [],
  vite:config         preserveSymlinks: false,
  vite:config         alias: [
  vite:config           {
  vite:config             find: /^\/?@vite\/env/,
  vite:config             replacement: '/@fs/home/projects/vitejs-vite-1pz7rlsf/node_modules/vite/dist/client/env.mjs'
  vite:config           },
  vite:config           {
  vite:config             find: /^\/?@vite\/client/,
  vite:config             replacement: '/@fs/home/projects/vitejs-vite-1pz7rlsf/node_modules/vite/dist/client/client.mjs'
  vite:config           }
  vite:config         ],
  vite:config         mainFields: [ 'browser', 'module', 'jsnext:main', 'jsnext' ],
  vite:config         conditions: [ 'module', 'browser', 'development|production' ],
  vite:config         builtins: []
  vite:config       },
  vite:config       keepProcessEnv: false,
  vite:config       consumer: 'client',
  vite:config       optimizeDeps: {
  vite:config         include: [
  vite:config           'react',
  vite:config           'react-dom',
  vite:config           'react/jsx-dev-runtime',
  vite:config           'react/jsx-runtime'
  vite:config         ],
  vite:config         exclude: [],
  vite:config         needsInterop: [],
  vite:config         extensions: [],
  vite:config         disabled: undefined,
  vite:config         holdUntilCrawlEnd: true,
  vite:config         force: false,
  vite:config         noDiscovery: false,
  vite:config         esbuildOptions: { preserveSymlinks: false, jsx: 'automatic' }
  vite:config       },
  vite:config       dev: {
  vite:config         warmup: [],
  vite:config         sourcemap: { js: true },
  vite:config         sourcemapIgnoreList: [Function: isInNodeModules],
  vite:config         preTransformRequests: true,
  vite:config         createEnvironment: [Function: defaultCreateClientDevEnvironment],
  vite:config         recoverable: true,
  vite:config         moduleRunnerTransform: false
  vite:config       },
  vite:config       build: {
  vite:config         target: [ 'chrome107', 'edge107', 'firefox104', 'safari16' ],
  vite:config         polyfillModulePreload: true,
  vite:config         modulePreload: { polyfill: true },
  vite:config         outDir: 'dist',
  vite:config         assetsDir: 'assets',
  vite:config         assetsInlineLimit: 4096,
  vite:config         sourcemap: false,
  vite:config         terserOptions: {},
  vite:config         rollupOptions: { onwarn: [Function: onwarn] },
  vite:config         commonjsOptions: { include: [ /node_modules/ ], extensions: [ '.js', '.cjs' ] },
  vite:config         dynamicImportVarsOptions: { warnOnError: true, exclude: [ /node_modules/ ] },
  vite:config         write: true,
  vite:config         emptyOutDir: null,
  vite:config         copyPublicDir: true,
  vite:config         manifest: false,
  vite:config         lib: false,
  vite:config         ssrManifest: false,
  vite:config         ssrEmitAssets: false,
  vite:config         reportCompressedSize: true,
  vite:config         chunkSizeWarningLimit: 500,
  vite:config         watch: null,
  vite:config         cssCodeSplit: true,
  vite:config         minify: 'esbuild',
  vite:config         ssr: false,
  vite:config         emitAssets: true,
  vite:config         createEnvironment: [Function: createEnvironment],
  vite:config         cssTarget: [ 'chrome107', 'edge107', 'firefox104', 'safari16' ],
  vite:config         cssMinify: true
  vite:config       },
  vite:config       plugins: [
  vite:config         {
  vite:config           name: 'vite:build-metadata',
  vite:config           renderChunk: [AsyncFunction: renderChunk]
  vite:config         },
  vite:config         {
  vite:config           name: 'vite:watch-package-data',
  vite:config           buildStart: [Function: buildStart],
  vite:config           buildEnd: [Function: buildEnd],
  vite:config           watchChange: [Function: watchChange]
  vite:config         },
  vite:config         {
  vite:config           name: 'alias',
  vite:config           buildStart: [AsyncFunction: buildStart],
  vite:config           resolveId: [Function: resolveId]
  vite:config         },
  vite:config         {
  vite:config           name: 'vite:react-babel',
  vite:config           enforce: 'pre',
  vite:config           config: [Function: config],
  vite:config           configResolved: [Function: configResolved],
  vite:config           options: [Function: options]
  vite:config         },
  vite:config         {
  vite:config           name: 'vite:react-refresh',
  vite:config           enforce: 'pre',
  vite:config           config: [Function: config],
  vite:config           resolveId: {
  vite:config             filter: { id: /^\/@react\-refresh$/ },
  vite:config             handler: [Function: handler]
  vite:config           },
  vite:config           load: {
  vite:config             filter: { id: /^\/@react\-refresh$/ },
  vite:config             handler: [Function: handler]
  vite:config           },
  vite:config           transformIndexHtml: [Function: transformIndexHtml]
  vite:config         },
  vite:config         {
  vite:config           name: 'vite:modulepreload-polyfill',
  vite:config           resolveId: {
  vite:config             filter: { id: /^vite\/modulepreload\-polyfill$/ },
  vite:config             handler: [Function: handler]
  vite:config           },
  vite:config           load: {
  vite:config             filter: { id: /^vite\/modulepreload\-polyfill\.js$/ },
  vite:config             handler: [Function: handler]
  vite:config           }
  vite:config         },
  vite:config         {
  vite:config           name: 'vite:resolve',
  vite:config           resolveId: {
  vite:config             filter: { id: { exclude: /^(?:\0|\/?virtual:)/ } },
  vite:config             handler: [AsyncFunction: handler]
  vite:config           },
  vite:config           load: {
  vite:config             filter: {
  vite:config               id: [
  vite:config                 /^__vite\-browser\-external/,
  vite:config                 /^__vite\-optional\-peer\-dep/
  vite:config               ]
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  vite:config             handler: [Function: handler]
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  vite:config         },
  vite:config         {
  vite:config           name: 'vite:html-inline-proxy',
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  vite:config                 exclude: [
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  vite:config                   /[?&](?:worker|sharedworker|raw|url)\b/
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  vite:config         {
  vite:config           name: 'vite:esbuild',
  vite:config           configureServer: [Function: configureServer],
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  vite:config         {
  vite:config           name: 'vite:json',
  vite:config           transform: {
  vite:config             filter: {
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  vite:config                 exclude: /[?&](?:worker|sharedworker|raw|url)\b/
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  vite:config         {
  vite:config           name: 'vite:wasm-helper',
  vite:config           resolveId: {
  vite:config             filter: { id: /^vite\/wasm\-helper\.js$/ },
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  vite:config             filter: {
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  vite:config                 /^vite\/wasm\-helper\.js$/,
  vite:config                 /(?<![?#].*)\.wasm\?init/
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  vite:config         {
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  vite:config           buildStart: [Function: buildStart],
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  vite:config           shouldTransformCachedModule: [Function: shouldTransformCachedModule],
  vite:config           transform: {
  vite:config             filter: { id: /(?:\?|&)worker_file&type=(\w+)(?:&|$)/ },
  vite:config             handler: [AsyncFunction: handler]
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  vite:config           renderChunk: [Function: renderChunk],
  vite:config           generateBundle: [Function: generateBundle]
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  vite:config         {
  vite:config           name: 'vite:asset',
  vite:config           perEnvironmentStartEndDuringDev: true,
  vite:config           buildStart: [Function: buildStart],
  vite:config           resolveId: { handler: [Function: handler] },
  vite:config           load: {
  vite:config             filter: { id: { exclude: /^\0/ } },
  vite:config             handler: [AsyncFunction: handler]
  vite:config           },
  vite:config           renderChunk: [Function: renderChunk],
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  vite:config         {
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  vite:config         {
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  vite:config         {
  vite:config           name: 'vite:css-post',
  vite:config           renderStart: [Function: renderStart],
  vite:config           transform: {
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  vite:config                 exclude: [
  vite:config                   /[?&]commonjs-proxy/,
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  vite:config         {
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  vite:config             filter: { id: /\.html$/ },
  vite:config             handler: [AsyncFunction: handler]
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  vite:config           generateBundle: [AsyncFunction: generateBundle]
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  vite:config         {
  vite:config           name: 'vite:worker-import-meta-url',
  vite:config           applyToEnvironment: [Function: applyToEnvironment],
  vite:config           shouldTransformCachedModule: [Function: shouldTransformCachedModule],
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  vite:config               code: /new\s+(?:Worker|SharedWorker)\s*\(\s*new\s+URL.+?import\.meta\.url/s
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  vite:config             handler: [AsyncFunction: handler]
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  vite:config         },
  vite:config         {
  vite:config           name: 'vite:asset-import-meta-url',
  vite:config           applyToEnvironment: [Function: applyToEnvironment],
  vite:config           transform: {
  vite:config             filter: {
  vite:config               id: {
  vite:config                 exclude: [
  vite:config                   /^vite\/preload\-helper\.js$/,
  vite:config                   /^\/home\/projects\/vitejs\-vite\-1pz7rlsf\/node_modules\/vite\/dist\/client\/client\.mjs$/
  vite:config                 ]
  vite:config               },
  vite:config               code: /new\s+URL.+import\.meta\.url/
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  vite:config             handler: [AsyncFunction: handler]
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  vite:config         {
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  vite:config         {
  vite:config           name: 'vite:prepare-out-dir',
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  vite:config           version: '28.0.6',
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  vite:config           load: [AsyncFunction: load],
  vite:config           shouldTransformCachedModule: [Function: shouldTransformCachedModule],
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  vite:config         {
  vite:config           name: 'vite:data-uri',
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  vite:config           name: 'vite:dynamic-import-vars',
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  vite:config             filter: { id: /^vite\/dynamic\-import\-helper\.js$/ },
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  vite:config           },
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  vite:config               id: {
  vite:config                 exclude: /^\/home\/projects\/vitejs\-vite\-1pz7rlsf\/node_modules\/vite\/dist\/client\/client\.mjs$/
  vite:config               },
  vite:config               code: /\bimport\s*[(/]/
  vite:config             },
  vite:config             handler: [AsyncFunction: handler]
  vite:config           }
  vite:config         },
  vite:config         {
  vite:config           name: 'vite:import-glob',
  vite:config           buildStart: [Function: buildStart],
  vite:config           transform: {
  vite:config             filter: { code: 'import.meta.glob' },
  vite:config             handler: [AsyncFunction: handler]
  vite:config           },
  vite:config           hotUpdate: [Function: hotUpdate]
  vite:config         },
  vite:config         {
  vite:config           name: 'vite:build-import-analysis',
  vite:config           resolveId: {
  vite:config             filter: { id: /^vite\/preload\-helper\.js$/ },
  vite:config             handler: [Function: handler]
  vite:config           },
  vite:config           load: {
  vite:config             filter: { id: /^vite\/preload\-helper\.js$/ },
  vite:config             handler: [Function: handler]
  vite:config           },
  vite:config           transform: {
  vite:config             filter: { code: /import\s*\(/ },
  vite:config             handler: [AsyncFunction: handler]
  vite:config           },
  vite:config           renderChunk: [Function: renderChunk],
  vite:config           generateBundle: [Function: generateBundle]
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  vite:config         {
  vite:config           name: 'vite:esbuild-transpile',
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  vite:config         {
  vite:config           name: 'vite:terser',
  vite:config           applyToEnvironment: [Function: applyToEnvironment],
  vite:config           renderChunk: [AsyncFunction: renderChunk],
  vite:config           closeBundle: [Function: closeBundle]
  vite:config         },
  vite:config         {
  vite:config           name: 'vite:reporter',
  vite:config           sharedDuringBuild: true,
  vite:config           perEnvironmentStartEndDuringDev: true,
  vite:config           transform: [Function: transform],
  vite:config           buildStart: [Function: buildStart],
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vite v7.1.2 building for production...
✓ 57 modules transformed.
dist/index.html                   0.46 kB │ gzip:  0.30 kB
dist/assets/index-D8b4DHJx.css    1.39 kB │ gzip:  0.71 kB
dist/assets/index-CDBwk82u.js   206.42 kB │ gzip: 65.96 kB
✓ built in 969ms

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[hi-ogawa]

Related #609 (comment).

@sapphi-red I think we can revert that line. Also now that optimizer picks up tsconfig jsxImportSource vitejs/vite#20495, @emotion/react/jsx-dev-runtime should also get optimized during scan. What's your concern about optimizer?

[hi-ogawa]

@aslilac The workaround is to pass the option to the plugin https://github.com/vitejs/vite-plugin-react/tree/main/packages/plugin-react#jsximportsource

https://stackblitz.com/edit/vitejs-vite-wx34qypj?file=vite.config.ts

    react({
      jsxImportSource: '@emotion/react',
    }),

[sapphi-red]

@hi-ogawa for the case reported in this issue, I think it makes sense to revert that line. The case written there didn't make sense because it was preact (even if the line were reverted, an optimizer resolve error happens in that case because the plugin tries to optimize react package that may not be installed).

[hi-ogawa]

The commenter cited esbuild doc with preact https://esbuild.github.io/api/#jsx-import-source, but I'd imagine that was not intentional. Non react app shouldn't use react plugin (for example, preact needs own vite plugin), so probably they meant something else.