refactor(@angular-devkit/build-webpack): deprecate webpack and webpack-dev-server builders

DEPRECATED: Webpack builders in build-webpack are deprecated. Use @angular/build builders instead.

Author: alan-agius4

packages/angular_devkit/build_webpack/src/builders/webpack-dev-server/index.ts

@@ -24,6 +24,10 @@ export type DevServerBuildOutput = BuildResult & {
   address: string;
 };
 
+/**
+ * @deprecated Part of Angular's Webpack support deprecation. Use `@angular/build` APIs instead.
+ * Deprecated since v22.
+ */
 export function runWebpackDevServer(
   config: webpack.Configuration,
   context: BuilderContext,
@@ -136,6 +140,11 @@ const builder: Builder<WebpackDevServerBuilderSchema> = createBuilder<
   WebpackDevServerBuilderSchema,
   DevServerBuildOutput
 >((options, context) => {
+  context.logger.warn(
+    'The "@angular-devkit/build-webpack:webpack-dev-server" builder is deprecated as part of Angular\'s Webpack support deprecation. ' +
+      'Use "@angular/build" instead.',
+  );
+
   const configPath = pathResolve(context.workspaceRoot, options.webpackConfig);
 
   return from(getWebpackConfig(configPath)).pipe(

packages/angular_devkit/build_webpack/src/builders/webpack/index.ts

@@ -29,6 +29,10 @@ export type BuildResult = BuilderOutput & {
   outputPath: string;
 };
 
+/**
+ * @deprecated Part of Angular's Webpack support deprecation. Use `@angular/build` APIs instead.
+ * Deprecated since v22.
+ */
 export function runWebpack(
   config: webpack.Configuration,
   context: BuilderContext,
@@ -125,6 +129,11 @@ export function runWebpack(
 
 const builder: Builder<WebpackBuilderSchema> = createBuilder<WebpackBuilderSchema>(
   (options, context) => {
+    context.logger.warn(
+      'The "@angular-devkit/build-webpack:webpack" builder is deprecated as part of Angular\'s Webpack support deprecation. ' +
+        'Use "@angular/build" instead.',
+    );
+
     const configPath = pathResolve(context.workspaceRoot, options.webpackConfig);
 
     return from(getWebpackConfig(configPath)).pipe(