refactor(@ngtools/webpack): deprecate @ngtools/webpack loader and plugin

DEPRECATED: @ngtools/webpack loader and plugin are deprecated. Use @angular/build instead.

Author: alan-agius4

packages/ngtools/webpack/src/ivy/index.ts

@@ -9,4 +9,8 @@
 export { angularWebpackLoader as default } from './loader';
 export { type AngularWebpackPluginOptions, AngularWebpackPlugin, imageDomains } from './plugin';
 
+/**
+ * @deprecated Part of Angular's Webpack support deprecation.
+ * Deprecated since v22.
+ */
 export const AngularWebpackLoaderPath: string = __filename;

packages/ngtools/webpack/src/ivy/loader.ts

@@ -16,6 +16,10 @@ type SourceMap = NonNullable<
 
 const JS_FILE_REGEXP = /\.[cm]?js$/;
 
+/**
+ * @deprecated Part of Angular's Webpack support deprecation.
+ * Deprecated since v22.
+ */
 export function angularWebpackLoader(
   this: LoaderContext<unknown>,
   content: string,

packages/ngtools/webpack/src/ivy/plugin.ts

@@ -39,8 +39,16 @@ import { createAotTransformers, createJitTransformers, mergeTransformers } from
  */
 const DIAGNOSTICS_AFFECTED_THRESHOLD = 1;
 
+/**
+ * @deprecated Part of Angular's Webpack support deprecation.
+ * Deprecated since v22.
+ */
 export const imageDomains: Set<string> = new Set();
 
+/**
+ * @deprecated Part of Angular's Webpack support deprecation.
+ * Deprecated since v22.
+ */
 export interface AngularWebpackPluginOptions {
   tsconfig: string;
   compilerOptions?: CompilerOptions;
@@ -71,6 +79,10 @@ interface FileEmitHistoryItem {
   hash: Uint8Array;
 }
 
+/**
+ * @deprecated Part of Angular's Webpack support deprecation.
+ * Deprecated since v22.
+ */
 export class AngularWebpackPlugin {
   private readonly pluginOptions: AngularWebpackPluginOptions;
   private compilerCliModule?: typeof import('@angular/compiler-cli');