nx/docs/shared/guides/angular-rspack/api/nx-angular-rspack/create-config.md

title	description
createConfig - @nx/angular-rspack	API Reference for createConfig from @nx/angular-rspack

createConfig

import { createConfig } from '@nx/angular-rspack';

The createConfig function is used to create an Rspack configuration object setup for Angular applications.

It takes an optional Configuration object as an argument, which allows for customization of the Rspack configuration.

async function createConfig(
  defaultOptions: {
    options: AngularRspackPluginOptions;
    rspackConfigOverrides?: Partial<Configuration>;
  },
  configurations: Record<
    string,
    {
      options: Partial<AngularRspackPluginOptions>;
      rspackConfigOverrides?: Partial<Configuration>;
    }
  > = {},
  configEnvVar = 'NGRS_CONFIG'
);

---

Examples

{% tabs %}

{% tab label="Server-Side Rendering (SSR)" %} The following example shows how to create a configuration for a SSR application:

import { createConfig } from '@nx/angular-rspack';

export default createConfig({
  options: {
    browser: './src/main.ts',
    server: './src/main.server.ts',
    ssrEntry: './src/server.ts',
  },
});

{% /tab %}

{% tab label="Client-Side Rendering (CSR)" %} The following example shows how to create a configuration for a CSR application:

import { createConfig } from '@nx/angular-rspack';

export default createConfig({
  options: {
    browser: './src/main.ts',
  },
});

{% /tab %}

{% tab label="Modify Rspack Configuration" %} The following example shows how to modify the base Rspack configuration:

import { createConfig } from '@nx/angular-rspack';

export default createConfig({
  options: {
    browser: './src/main.ts',
    server: './src/main.server.ts',
    ssrEntry: './src/server.ts',
  },
  rspackConfigOverrides: {
    mode: 'development',
  },
});

{% /tab %}

{% tab label="File Replacements" %} The following example shows how to use file replacements:

import { createConfig } from '@nx/angular-rspack';

export default createConfig({
  options: {
    browser: './src/main.ts',
    server: './src/main.server.ts',
    ssrEntry: './src/server.ts',
    fileReplacements: [
      {
        replace: './src/environments/environment.ts',
        with: './src/environments/environment.prod.ts',
      },
    ],
  },
});

{% /tab %}

{% /tabs %}

---

AngularRspackPluginOptions

The AngularRspackPluginOptions object is an object that contains the following properties:

export interface AngularRspackPluginOptions extends PluginUnsupportedOptions {
  aot?: boolean;
  assets?: AssetElement[];
  browser?: string;
  commonChunk?: boolean;
  devServer?: DevServerOptions;
  extractLicenses?: boolean;
  fileReplacements?: FileReplacement[];
  index?: IndexElement;
  inlineStyleLanguage?: InlineStyleLanguage;
  namedChunks?: boolean;
  optimization?: boolean | OptimizationOptions;
  outputHashing?: OutputHashing;
  outputPath?:
    | string
    | (Required<Pick<OutputPath, 'base'>> & Partial<OutputPath>);
  polyfills?: string[];
  root?: string;
  scripts?: ScriptOrStyleEntry[];
  server?: string;
  skipTypeChecking?: boolean;
  sourceMap?: boolean | Partial<SourceMap>;
  ssr?:
    | boolean
    | {
        entry: string;
        experimentalPlatform?: 'node' | 'neutral';
      };
  stylePreprocessorOptions?: StylePreprocessorOptions;
  styles?: ScriptOrStyleEntry[];
  tsConfig?: string;
  useTsProjectReferences?: boolean;
  vendorChunk?: boolean;
}

export interface DevServerOptions extends DevServerUnsupportedOptions {
  port?: number;
  ssl?: boolean;
  sslKey?: string;
  sslCert?: string;
  proxyConfig?: string;
}

export interface OptimizationOptions {
  scripts?: boolean;
  styles?: boolean;
  fonts?: boolean;
}

export type OutputHashing = 'none' | 'all' | 'media' | 'bundles';
export type HashFormat = {
  chunk: string;
  extract: string;
  file: string;
  script: string;
};

export interface OutputPath {
  base: string;
  browser: string;
  server: string;
  media: string;
}

export type AssetExpandedDefinition = {
  glob: string;
  input: string;
  ignore?: string[];
  output?: string;
};
export type AssetElement = AssetExpandedDefinition | string;
export type NormalizedAssetElement = AssetExpandedDefinition & {
  output: string;
};
export type ScriptOrStyleEntry =
  | string
  | {
      input: string;
      bundleName?: string;
      inject?: boolean;
    };
export type GlobalEntry = {
  name: string;
  files: string[];
  initial: boolean;
};
export type IndexExpandedDefinition = {
  input: string;
  output?: string;
  preloadInitial?: boolean;
};
export type IndexElement = IndexExpandedDefinition | string | false;
export type IndexHtmlTransform = (content: string) => Promise<string>;
export type NormalizedIndexElement =
  | (IndexExpandedDefinition & {
      insertionOrder: [string, boolean][];
      transformer: IndexHtmlTransform | undefined;
    })
  | false;

export interface SourceMap {
  scripts: boolean;
  styles: boolean;
  hidden: boolean;
  vendor: boolean;
}

export type InlineStyleExtension = 'css' | 'scss' | 'sass' | 'less';
export interface FileReplacement {
  replace: string;
  with: string;
}
export interface StylePreprocessorOptions {
  includePaths?: string[];
  sass?: Sass;
}
export interface Sass {
  fatalDeprecations?: DeprecationOrId[];
  futureDeprecations?: DeprecationOrId[];
  silenceDeprecations?: DeprecationOrId[];
}

---

aot

boolean default: true Enables or disables Ahead-of-Time compilation for Angular applications.

assets

AssetElement[] Array of static assets to include in the build output. Can be either a string path or an object with glob patterns.

browser

string The entry point file for the browser bundle (e.g., 'src/main.ts').

commonChunk

boolean default: true Controls whether to create a separate bundle containing shared code between multiple chunks.

devServer

DevServerOptions Configuration options for the development server including port, SSL settings, and proxy configuration.

extractLicenses

boolean default: false When true, extracts all license information from dependencies into a separate file.

fileReplacements

FileReplacement[] List of files to be replaced during the build process, typically used for environment-specific configurations.

index

IndexElement Configuration for the index.html file. Can be a string path, an object with specific settings, or false to disable.

inlineStyleLanguage

InlineStyleLanguage Specifies the default language to use for inline styles in components.

namedChunks

boolean default: true When true, generates named chunks instead of numerical IDs.

optimization

boolean | OptimizationOptions default: true Controls build optimization settings for scripts, styles, and fonts.

outputHashing

OutputHashing default: 'none' Defines the hashing strategy for output files. Can be 'none', 'all', 'media', or 'bundles'.

outputPath

string | OutputPath Specifies the output directory for built files. Can be a string or an object defining paths for browser, server, and media files.

polyfills

string[] Array of polyfill files to include in the build.

root

string The root directory of the project where the rspack.config.ts file is located.

scripts

ScriptOrStyleEntry[] Array of global scripts to include in the build, with options for bundling and injection.

server

string The entry point file for the server bundle in SSR applications.

skipTypeChecking

boolean default: false When true, skips TypeScript type checking during the build process.

sourceMap

boolean | Partial<SourceMap> default: true Controls generation of source maps for debugging. Can be boolean or detailed configuration object.

ssr

boolean | { entry: string; experimentalPlatform?: 'node' | 'neutral' } Configuration for Server-Side Rendering. Can be boolean or object with specific SSR settings.

stylePreprocessorOptions

StylePreprocessorOptions Options for style preprocessors, including include paths and Sass-specific configurations.

styles

ScriptOrStyleEntry[] Array of global styles to include in the build, with options for bundling and injection.

tsConfig

string Path to the TypeScript configuration file.

useTsProjectReferences

boolean default: false Enables usage of TypeScript project references.

vendorChunk

boolean default: true When true, creates a separate bundle for vendor (third-party) code.