Class AngularWebpackPlugin

packages/ngtools/webpack/src/ivy/plugin.ts:86–768

 * Deprecated since v22.
 */
export class AngularWebpackPlugin {
  private readonly pluginOptions: AngularWebpackPluginOptions;
  private compilerCliModule?: typeof import('@angular/compiler-cli');
  private compilerCliToolingModule?: typeof import('@angular/compiler-cli/private/tooling');
  private watchMode?: boolean;
  private ngtscNextProgram?: NgtscProgram;
  private builder?: ts.EmitAndSemanticDiagnosticsBuilderProgram;
  private sourceFileCache?: SourceFileCache;
  private webpackCache?: ReturnType<Compilation['getCache']>;
  private webpackCreateHash?: Compiler['webpack']['util']['createHash'];
  private readonly fileDependencies = new Map<string, Set<string>>();
  private readonly requiredFilesToEmit = new Set<string>();
  private readonly requiredFilesToEmitCache = new Map<string, EmitFileResult | undefined>();
  private readonly fileEmitHistory = new Map<string, FileEmitHistoryItem>();

  constructor(options: Partial<AngularWebpackPluginOptions> = {}) {
    this.pluginOptions = {
      emitClassMetadata: false,
      emitNgModuleScope: false,
      jitMode: false,
      fileReplacements: {},
      substitutions: {},
      directTemplateLoading: true,
      tsconfig: 'tsconfig.json',
      ...options,
    };
  }

  private get compilerCli(): typeof import('@angular/compiler-cli') {
    // The compilerCliModule field is guaranteed to be defined during a compilation
    // due to the `beforeCompile` hook. Usage of this property accessor prior to the
    // hook execution is an implementation error.
    assert.ok(this.compilerCliModule, `'@angular/compiler-cli' used prior to Webpack compilation.`);

    return this.compilerCliModule;
  }

  private get compilerCliTooling(): typeof import('@angular/compiler-cli/private/tooling') {
    // The compilerCliToolingModule field is guaranteed to be defined during a compilation
    // due to the `beforeCompile` hook. Usage of this property accessor prior to the
    // hook execution is an implementation error.
    assert.ok(
      this.compilerCliToolingModule,
      `'@angular/compiler-cli' used prior to Webpack compilation.`,
    );

    return this.compilerCliToolingModule;
  }

  get options(): AngularWebpackPluginOptions {
    return this.pluginOptions;
  }

  apply(compiler: Compiler): void {
    const { NormalModuleReplacementPlugin, util } = compiler.webpack;
    this.webpackCreateHash = util.createHash;

    // Setup file replacements with webpack