feat!: remove deprecated output library fields

packages/rspack/etc/core.api.md

@@ -2673,7 +2673,7 @@ export type ExternalItemUmdValue = {
 // @public
 export type ExternalItemValue = string | boolean | string[] | ExternalItemUmdValue
 /**
-* when libraryTarget and externalsType is not 'umd'
+* when library.type and externalsType is not 'umd'
 */
 | ExternalItemObjectValue;
 
@@ -5543,10 +5543,6 @@ export type Output = {
     chunkLoadingGlobal?: ChunkLoadingGlobal;
     enabledLibraryTypes?: EnabledLibraryTypes;
     library?: Library;
-    libraryExport?: LibraryExport;
-    libraryTarget?: LibraryType;
-    umdNamedDefine?: UmdNamedDefine;
-    auxiliaryComment?: AuxiliaryComment;
     module?: OutputModule;
     strictModuleExceptionHandling?: StrictModuleExceptionHandling;
     strictModuleErrorHandling?: StrictModuleErrorHandling;

packages/rspack/scripts/check-documentation-coverage.ts

@@ -236,10 +236,6 @@ function checkConfigsDocumentationCoverage() {
   // 		"output.workerWasmLoading",
   // 		"output.workerPublicPath",
   // 		"output.strictModuleExceptionHandling",
-  // 		"output.auxiliaryComment.amd",
-  // 		"output.auxiliaryComment.commonjs",
-  // 		"output.auxiliaryComment.commonjs2",
-  // 		"output.auxiliaryComment.root",
   // 		"stats",
   // 		"optimization.splitChunks",
   // 		"optimization.removeAvailableModules",

packages/rspack/src/config/defaults.ts

@@ -39,6 +39,7 @@ import type {
   JavascriptParserOptions,
   JsonGeneratorOptions,
   Library,
+  LibraryOptions,
   Loader,
   Mode,
   ModuleOptions,
@@ -550,11 +551,8 @@ const applyOutputDefaults = (
 ) => {
   const getLibraryName = (library: Library): string => {
     const libraryName =
-      typeof library === 'object' &&
-      library &&
-      !Array.isArray(library) &&
-      'type' in library
-        ? library.name
+      typeof library === 'object' && library && !Array.isArray(library)
+        ? (library as LibraryOptions).name
         : library;
     if (Array.isArray(libraryName)) {
       return libraryName.join('.');

packages/rspack/src/config/normalization.ts

@@ -152,12 +152,9 @@ export const getNormalizedRspackOptions = (
       const { library } = output;
       const libraryAsName = library;
       const libraryBase =
-        typeof library === 'object' &&
-        library &&
-        !Array.isArray(library) &&
-        'type' in library
-          ? library
-          : libraryAsName || output.libraryTarget
+        typeof library === 'object' && library && !Array.isArray(library)
+          ? (library as LibraryOptions)
+          : libraryAsName
             ? ({
                 name: libraryAsName,
               } as LibraryOptions)
@@ -197,26 +194,7 @@ export const getNormalizedRspackOptions = (
         iife: output.iife,
         module: output.module,
         sourceMapFilename: output.sourceMapFilename,
-        library: libraryBase && {
-          type:
-            output.libraryTarget !== undefined
-              ? output.libraryTarget
-              : libraryBase.type,
-          auxiliaryComment:
-            output.auxiliaryComment !== undefined
-              ? output.auxiliaryComment
-              : libraryBase.auxiliaryComment,
-          amdContainer: libraryBase.amdContainer,
-          export:
-            output.libraryExport !== undefined
-              ? output.libraryExport
-              : libraryBase.export,
-          name: libraryBase.name,
-          umdNamedDefine:
-            output.umdNamedDefine !== undefined
-              ? output.umdNamedDefine
-              : libraryBase.umdNamedDefine,
-        },
+        library: libraryBase,
         strictModuleErrorHandling:
           output.strictModuleErrorHandling ??
           output.strictModuleExceptionHandling,

packages/rspack/src/config/types.ts

@@ -529,30 +529,6 @@ export type Output = {
   /** Output a library exposing the exports of your entry point. */
   library?: Library;
 
-  /**
-   * Specify which export should be exposed as a library.
-   * @deprecated We might drop support for this, so prefer to use output.library.export
-   * */
-  libraryExport?: LibraryExport;
-
-  /**
-   * Configure how the library will be exposed.
-   * @deprecated Use output.library.type instead as we might drop support for output.libraryTarget in the future.
-   * */
-  libraryTarget?: LibraryType;
-
-  /**
-   * When using output.library.type: "umd", setting output.umdNamedDefine to true will name the AMD module of the UMD build.
-   * @deprecated Use output.library.umdNamedDefine instead.
-   */
-  umdNamedDefine?: UmdNamedDefine;
-
-  /**
-   * Add a comment in the UMD wrapper.
-   * @deprecated use output.library.auxiliaryComment instead.
-   * */
-  auxiliaryComment?: AuxiliaryComment;
-
   /**
    * Output JavaScript files as module type.
    * Disabled by default as it's an experimental feature. To use it, you must set experiments.outputModule to true.
@@ -1492,7 +1468,7 @@ export type Target = false | AllowTarget | AllowTarget[];
 //#region ExternalsType
 /**
  * Specify the default type of externals.
- * `amd`, `umd`, `system` and `jsonp` externals depend on the `output.libraryTarget` being set to the same value e.g. you can only consume amd externals within an amd library.
+ * `amd`, `umd`, `system` and `jsonp` externals depend on the `output.library.type` being set to the same value e.g. you can only consume amd externals within an amd library.
  * @default 'var'
  */
 export type ExternalsType =
@@ -1524,7 +1500,7 @@ export type ExternalsType =
 //#region Externals
 
 /**
- * External item object when both libraryTarget and externalsType is 'umd'
+ * External item object when both library.type and externalsType is 'umd'
  */
 export type ExternalItemUmdValue = {
   root: string | string[];
@@ -1547,7 +1523,7 @@ export type ExternalItemValue =
   | string[]
   | ExternalItemUmdValue
   /**
-   * when libraryTarget and externalsType is not 'umd'
+   * when library.type and externalsType is not 'umd'
    */
   | ExternalItemObjectValue;
 

packages/rspack/src/lib/DllPlugin.ts

@@ -41,7 +41,7 @@ export type DllPluginOptions = {
   path: string;
 
   /**
-   * Type of the dll bundle (external type, use value of 'output.libraryTarget').
+   * Type of the dll bundle (external type, use value of 'output.library.type').
    */
   type?: string;
 };

packages/rspack/src/lib/DllReferencePlugin.ts

@@ -37,7 +37,7 @@ export type DllReferencePluginOptions =
        */
       scope?: string;
       /**
-       * How the dll is exposed (libraryTarget, defaults to manifest.type).
+       * How the dll is exposed (library.type, defaults to manifest.type).
        */
       sourceType?: DllReferencePluginOptionsSourceType;
       /**
@@ -67,7 +67,7 @@ export type DllReferencePluginOptions =
        */
       scope?: string;
       /**
-       * How the dll is exposed (libraryTarget).
+       * How the dll is exposed (library.type).
        */
       sourceType?: DllReferencePluginOptionsSourceType;
       /**

packages/rspack/src/util/validateConfig.ts

@@ -45,7 +45,7 @@ const validateExternalUmd = ({
   if (typeof library === 'object' && 'type' in library) {
     isLibraryUmd = library.type === 'umd';
   } else {
-    isLibraryUmd = output?.libraryTarget === 'umd';
+    isLibraryUmd = false;
   }
 
   if (

tests/rspack-test/configCases/concatenate-modules/issue-13022/rspack.config.js

@@ -7,8 +7,10 @@ module.exports = [
 			index: path.resolve(__dirname, "./index.js")
 		},
 		output: {
-			library: "[name]",
-			libraryExport: "default"
+			library: {
+				name: "[name]",
+				export: "default",
+			},
 		},
 		optimization: {
 			concatenateModules: true
@@ -19,8 +21,10 @@ module.exports = [
 			index: path.resolve(__dirname, "./index.js")
 		},
 		output: {
-			library: "[name]_doc",
-			libraryExport: "default"
+			library: {
+				name: "[name]_doc",
+				export: "default"
+			},
 		},
 		optimization: {
 			concatenateModules: true

tests/rspack-test/configCases/container-1-5/module-federation/rspack.config.js

@@ -3,15 +3,15 @@ const { ModuleFederationPlugin } = require("@rspack/core").container;
 function createConfig() {
 	return {
 		output: {
-			libraryTarget: "system"
+			library: { type: "system" }
 		},
 		plugins: [
 			new ModuleFederationPlugin({
 				name: "container",
 				filename: "container.js",
 				library: { type: "system" },
 				exposes: ["./other", "./self", "./dep"],
-				manifest:false,
+				manifest: false,
 				remotes: {
 					abc: "ABC",
 					def: "DEF",
@@ -23,7 +23,7 @@ function createConfig() {
 				name: "container2",
 				filename: "container2.js",
 				library: { type: "system" },
-				manifest:false,
+				manifest: false,
 				exposes: ["./other", "./self", "./dep"],
 				remotes: {
 					abc: "ABC",

tests/rspack-test/configCases/externals/async-externals/rspack.config.js

@@ -1,6 +1,6 @@
 module.exports = {
 	output: {
-		libraryTarget: "commonjs-module",
+		library: { type: "commonjs-module" },
 		importFunctionName: "((name) => Promise.resolve({ request: name }))"
 	},
 	externals: {

tests/rspack-test/configCases/externals/external-module-in-main-chunk-amd/rspack.config.js

@@ -2,7 +2,7 @@ const { rspack } = require("@rspack/core");
 /** @type {import("@rspack/core").Configuration} */
 module.exports = {
 	output: {
-		libraryTarget: "amd"
+		library: { type: "amd" }
 	},
 	externals: {
 		external: "external"

tests/rspack-test/configCases/externals/externals-array/rspack.config.js

@@ -3,7 +3,7 @@ const webpack = require("@rspack/core");
 module.exports = [
 	{
 		output: {
-			libraryTarget: "commonjs2"
+			library: { type: "commonjs2" }
 		},
 		externals: {
 			external: ["@rspack/core", "version"]

tests/rspack-test/configCases/externals/externals-system-custom/rspack.config.js

@@ -1,7 +1,7 @@
 /** @type {import("@rspack/core").Configuration} */
 module.exports = {
 	output: {
-		libraryTarget: "system"
+		library: { type: "system" }
 	},
 	target: "web",
 	node: {

tests/rspack-test/configCases/externals/externals-system/rspack.config.js

@@ -1,7 +1,7 @@
 /** @type {import("@rspack/core").Configuration} */
 module.exports = {
 	output: {
-		libraryTarget: "system"
+		library: { type: "system" }
 	},
 	externals: {
 		external1: "external1",

tests/rspack-test/configCases/externals/node-require/rspack.config.js

@@ -5,7 +5,7 @@ const webpack = require("@rspack/core");
 /** @type {import("@rspack/core").Configuration} */
 module.exports = {
 	output: {
-		libraryTarget: "commonjs2"
+		library: { type: "commonjs2" }
 	},
 	externals: {
 		external: ["webpack", "version"]

tests/rspack-test/configCases/externals/non-amd-externals-amd/rspack.config.js

@@ -2,7 +2,7 @@ const webpack = require("@rspack/core");
 /** @type {import("@rspack/core").Configuration} */
 module.exports = {
 	output: {
-		libraryTarget: "amd"
+		library: { type: "amd" }
 	},
 	externals: {
 		external0: "external0",

tests/rspack-test/configCases/externals/non-umd-externals-umd/rspack.config.js

@@ -1,7 +1,7 @@
 /** @type {import("@rspack/core").Configuration} */
 module.exports = {
 	output: {
-		libraryTarget: "umd"
+		library: { type: "umd" }
 	},
 	externals: {
 		external0: "external0",

tests/rspack-test/configCases/externals/non-umd-externals-umd2/rspack.config.js

@@ -1,7 +1,7 @@
 /** @type {import("@rspack/core").Configuration} */
 module.exports = {
 	output: {
-		libraryTarget: "umd2"
+		library: { type: "umd2" }
 	},
 	externals: {
 		external0: "external0",

tests/rspack-test/configCases/externals/optional-externals-cjs/rspack.config.js

@@ -1,7 +1,7 @@
 /** @type {import("@rspack/core").Configuration} */
 module.exports = {
 	output: {
-		libraryTarget: "commonjs2"
+		library: { type: "commonjs2" }
 	},
 	externals: {
 		external: "external"

tests/rspack-test/configCases/externals/optional-externals-umd/rspack.config.js

@@ -1,7 +1,7 @@
 /** @type {import("@rspack/core").Configuration} */
 module.exports = {
 	output: {
-		libraryTarget: "umd"
+		library: { type: "umd" }
 	},
 	externals: {
 		external: "external"

tests/rspack-test/configCases/externals/optional-externals-umd2-mixed/rspack.config.js

@@ -1,7 +1,7 @@
 /** @type {import("@rspack/core").Configuration} */
 module.exports = {
 	output: {
-		libraryTarget: "umd2"
+		library: { type: "umd2" }
 	},
 	externals: {
 		external: "external",

tests/rspack-test/configCases/externals/optional-externals-umd2/rspack.config.js

@@ -1,7 +1,7 @@
 /** @type {import("@rspack/core").Configuration} */
 module.exports = {
 	output: {
-		libraryTarget: "umd2"
+		library: { type: "umd2" }
 	},
 	externals: {
 		external: "external"

tests/rspack-test/configCases/externals/umd-array-externals/rspack.config.js

@@ -1,7 +1,7 @@
 /** @type {import("@rspack/core").Configuration} */
 module.exports = {
 	output: {
-		libraryTarget: "umd"
+		library: { type: "umd" }
 	},
 	externals: {
 		external: {

tests/rspack-test/configCases/externals/umd-validation-failed-no-externals-type/rspack.config.js

@@ -4,7 +4,7 @@ const { CopyRspackPlugin } = require("@rspack/core");
 module.exports = {
 	entry: "./index.js",
 	output: {
-		libraryTarget: "umd"
+		library: { type: "umd" }
 	},
 	externals: {
 		lodash: {

tests/rspack-test/configCases/externals/umd-validation-with-external-type/rspack.config.js

@@ -4,7 +4,7 @@ const { CopyRspackPlugin } = require("@rspack/core");
 module.exports = {
 	entry: "./index.js",
 	output: {
-		libraryTarget: "umd"
+		library: { type: "umd" }
 	},
 	externals: {
 		lodash: {

tests/rspack-test/configCases/filename-template/split-chunks-filename/rspack.config.js

@@ -6,7 +6,7 @@ module.exports = {
 		__filename: false
 	},
 	output: {
-		libraryTarget: "commonjs2"
+		library: { type: "commonjs2" }
 	},
 	optimization: {
 		splitChunks: {