@@ -798,7 +798,7 @@ const configDefaults = Object.freeze({
798798 exclude : [ ] ,
799799 needsInterop : [ ] ,
800800 // esbuildOptions
801- rollupOptions : { } ,
801+ rolldownOptions : { } ,
802802 /** @experimental */
803803 extensions : [ ] ,
804804 /** @deprecated @experimental */
@@ -1094,6 +1094,12 @@ function resolveDepOptimizationOptions(
10941094 consumer : 'client' | 'server' | undefined ,
10951095 logger : Logger ,
10961096) : DepOptimizationOptions {
1097+ if (
1098+ optimizeDeps ?. rolldownOptions &&
1099+ optimizeDeps ?. rolldownOptions === optimizeDeps ?. rollupOptions
1100+ ) {
1101+ delete optimizeDeps ?. rollupOptions
1102+ }
10971103 const merged = mergeWithDefaults (
10981104 {
10991105 ...configDefaults . optimizeDeps ,
@@ -1103,10 +1109,10 @@ function resolveDepOptimizationOptions(
11031109 } ,
11041110 optimizeDeps ?? { } ,
11051111 )
1106- setupRollupOptionCompat ( merged )
1112+ setupRollupOptionCompat ( merged , 'optimizeDeps' )
11071113
1108- const rollupOptions = merged . rollupOptions as Exclude <
1109- DepOptimizationOptions [ 'rollupOptions ' ] ,
1114+ const rolldownOptions = merged . rolldownOptions as Exclude <
1115+ DepOptimizationOptions [ 'rolldownOptions ' ] ,
11101116 undefined
11111117 >
11121118
@@ -1116,80 +1122,80 @@ function resolveDepOptimizationOptions(
11161122 `You or a plugin you are using have set \`optimizeDeps.esbuildOptions\` ` +
11171123 `but this option is now deprecated. ` +
11181124 `Vite now uses Rolldown to optimize the dependencies. ` +
1119- `Please use \`optimizeDeps.rollupOptions \` instead.` ,
1125+ `Please use \`optimizeDeps.rolldownOptions \` instead.` ,
11201126 ) ,
11211127 )
11221128
1123- rollupOptions . resolve ??= { }
1124- rollupOptions . output ??= { }
1125- rollupOptions . transform ??= { }
1129+ rolldownOptions . resolve ??= { }
1130+ rolldownOptions . output ??= { }
1131+ rolldownOptions . transform ??= { }
11261132
11271133 const setResolveOptions = <
11281134 T extends keyof Exclude < RolldownOptions [ 'resolve' ] , undefined > ,
11291135 > (
11301136 key : T ,
11311137 value : Exclude < RolldownOptions [ 'resolve' ] , undefined > [ T ] ,
11321138 ) => {
1133- if ( value !== undefined && rollupOptions . resolve ! [ key ] === undefined ) {
1134- rollupOptions . resolve ! [ key ] = value
1139+ if ( value !== undefined && rolldownOptions . resolve ! [ key ] === undefined ) {
1140+ rolldownOptions . resolve ! [ key ] = value
11351141 }
11361142 }
11371143
11381144 if (
11391145 merged . esbuildOptions . minify !== undefined &&
1140- rollupOptions . output . minify === undefined
1146+ rolldownOptions . output . minify === undefined
11411147 ) {
1142- rollupOptions . output . minify = merged . esbuildOptions . minify
1148+ rolldownOptions . output . minify = merged . esbuildOptions . minify
11431149 }
11441150 if (
11451151 merged . esbuildOptions . treeShaking !== undefined &&
1146- rollupOptions . treeshake === undefined
1152+ rolldownOptions . treeshake === undefined
11471153 ) {
1148- rollupOptions . treeshake = merged . esbuildOptions . treeShaking
1154+ rolldownOptions . treeshake = merged . esbuildOptions . treeShaking
11491155 }
11501156 if (
11511157 merged . esbuildOptions . define !== undefined &&
1152- rollupOptions . transform . define === undefined
1158+ rolldownOptions . transform . define === undefined
11531159 ) {
1154- rollupOptions . transform . define = merged . esbuildOptions . define
1160+ rolldownOptions . transform . define = merged . esbuildOptions . define
11551161 }
11561162 if ( merged . esbuildOptions . loader !== undefined ) {
11571163 const loader = merged . esbuildOptions . loader
1158- rollupOptions . moduleTypes ??= { }
1164+ rolldownOptions . moduleTypes ??= { }
11591165 for ( const [ key , value ] of Object . entries ( loader ) ) {
11601166 if (
1161- rollupOptions . moduleTypes [ key ] === undefined &&
1167+ rolldownOptions . moduleTypes [ key ] === undefined &&
11621168 value !== 'copy' &&
11631169 value !== 'css' &&
11641170 value !== 'default' &&
11651171 value !== 'file' &&
11661172 value !== 'local-css'
11671173 ) {
1168- rollupOptions . moduleTypes [ key ] = value
1174+ rolldownOptions . moduleTypes [ key ] = value
11691175 }
11701176 }
11711177 }
11721178 if (
11731179 merged . esbuildOptions . preserveSymlinks !== undefined &&
1174- rollupOptions . resolve . symlinks === undefined
1180+ rolldownOptions . resolve . symlinks === undefined
11751181 ) {
1176- rollupOptions . resolve . symlinks = ! merged . esbuildOptions . preserveSymlinks
1182+ rolldownOptions . resolve . symlinks = ! merged . esbuildOptions . preserveSymlinks
11771183 }
11781184 setResolveOptions ( 'extensions' , merged . esbuildOptions . resolveExtensions )
11791185 setResolveOptions ( 'mainFields' , merged . esbuildOptions . mainFields )
11801186 setResolveOptions ( 'conditionNames' , merged . esbuildOptions . conditions )
11811187 if (
11821188 merged . esbuildOptions . keepNames !== undefined &&
1183- rollupOptions . output . keepNames === undefined
1189+ rolldownOptions . output . keepNames === undefined
11841190 ) {
1185- rollupOptions . output . keepNames = merged . esbuildOptions . keepNames
1191+ rolldownOptions . output . keepNames = merged . esbuildOptions . keepNames
11861192 }
11871193
11881194 if (
11891195 merged . esbuildOptions . platform !== undefined &&
1190- rollupOptions . platform === undefined
1196+ rolldownOptions . platform === undefined
11911197 ) {
1192- rollupOptions . platform = merged . esbuildOptions . platform
1198+ rolldownOptions . platform = merged . esbuildOptions . platform
11931199 }
11941200
11951201 // NOTE: the following options cannot be converted
@@ -1232,20 +1238,20 @@ function resolveDepOptimizationOptions(
12321238 merged . esbuildOptions ??= { }
12331239 merged . esbuildOptions . preserveSymlinks ??= preserveSymlinks
12341240
1235- rollupOptions . resolve ??= { }
1236- rollupOptions . resolve . symlinks ??= ! preserveSymlinks
1237- rollupOptions . output ??= { }
1238- rollupOptions . output . topLevelVar ??= true
1241+ rolldownOptions . resolve ??= { }
1242+ rolldownOptions . resolve . symlinks ??= ! preserveSymlinks
1243+ rolldownOptions . output ??= { }
1244+ rolldownOptions . output . topLevelVar ??= true
12391245
12401246 return merged
12411247}
12421248
12431249async function setOptimizeDepsPluginNames ( resolvedConfig : ResolvedConfig ) {
12441250 await Promise . all (
12451251 Object . values ( resolvedConfig . environments ) . map ( async ( environment ) => {
1246- const plugins = environment . optimizeDeps . rollupOptions ?. plugins ?? [ ]
1252+ const plugins = environment . optimizeDeps . rolldownOptions ?. plugins ?? [ ]
12471253 const outputPlugins =
1248- environment . optimizeDeps . rollupOptions ?. output ?. plugins ?? [ ]
1254+ environment . optimizeDeps . rolldownOptions ?. output ?. plugins ?? [ ]
12491255 const flattenedPlugins = await asyncFlatten ( [ plugins , outputPlugins ] )
12501256
12511257 const pluginNames = [ ]
@@ -1264,9 +1270,9 @@ function applyDepOptimizationOptionCompat(resolvedConfig: ResolvedConfig) {
12641270 resolvedConfig . optimizeDeps . esbuildOptions ?. plugins &&
12651271 resolvedConfig . optimizeDeps . esbuildOptions . plugins . length > 0
12661272 ) {
1267- resolvedConfig . optimizeDeps . rollupOptions ??= { }
1268- resolvedConfig . optimizeDeps . rollupOptions . plugins ||= [ ]
1269- ; ( resolvedConfig . optimizeDeps . rollupOptions . plugins as any [ ] ) . push (
1273+ resolvedConfig . optimizeDeps . rolldownOptions ??= { }
1274+ resolvedConfig . optimizeDeps . rolldownOptions . plugins ||= [ ]
1275+ ; ( resolvedConfig . optimizeDeps . rolldownOptions . plugins as any [ ] ) . push (
12701276 ...resolvedConfig . optimizeDeps . esbuildOptions . plugins . map ( ( plugin ) =>
12711277 convertEsbuildPluginToRolldownPlugin ( plugin ) ,
12721278 ) ,
@@ -1296,14 +1302,14 @@ export async function resolveConfig(
12961302) : Promise < ResolvedConfig > {
12971303 let config = inlineConfig
12981304 config . build ??= { }
1299- setupRollupOptionCompat ( config . build )
1305+ setupRollupOptionCompat ( config . build , 'build' )
13001306 config . worker ??= { }
1301- setupRollupOptionCompat ( config . worker )
1307+ setupRollupOptionCompat ( config . worker , 'worker' )
13021308 config . optimizeDeps ??= { }
1303- setupRollupOptionCompat ( config . optimizeDeps )
1309+ setupRollupOptionCompat ( config . optimizeDeps , 'optimizeDeps' )
13041310 if ( config . ssr ) {
13051311 config . ssr . optimizeDeps ??= { }
1306- setupRollupOptionCompat ( config . ssr . optimizeDeps )
1312+ setupRollupOptionCompat ( config . ssr . optimizeDeps , 'ssr.optimizeDeps' )
13071313 }
13081314
13091315 let configFileDependencies : string [ ] = [ ]
@@ -1735,7 +1741,7 @@ export async function resolveConfig(
17351741 rollupOptions : config . worker ?. rollupOptions || { } ,
17361742 rolldownOptions : config . worker ?. rolldownOptions , // will be set by setupRollupOptionCompat if undefined
17371743 }
1738- setupRollupOptionCompat ( resolvedWorkerOptions )
1744+ setupRollupOptionCompat ( resolvedWorkerOptions , 'worker' )
17391745
17401746 const base = withTrailingSlash ( resolvedBase )
17411747
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