build: update Webpack to v5.101.0

Updates Webpack to version 5.101.0.
Also adds runtime assertions to ensure that a Webpack compiler instance is always created when expected.

Author: clydin

goldens/public-api/angular_devkit/build_webpack/index.api.md

@@ -65,7 +65,7 @@ export type WebpackDevServerFactory = typeof WebpackDevServer;
 // @public (undocumented)
 export interface WebpackFactory {
     // (undocumented)
-    (config: webpack.Configuration): Observable<webpack.Compiler> | webpack.Compiler;
+    (config: webpack.Configuration): Observable<webpack.Compiler | null> | webpack.Compiler | null;
 }
 
 // @public (undocumented)

packages/angular_devkit/build_angular/package.json

@@ -55,7 +55,7 @@
     "terser": "5.43.1",
     "tree-kill": "1.2.2",
     "tslib": "2.8.1",
-    "webpack": "5.100.2",
+    "webpack": "5.101.0",
     "webpack-dev-middleware": "7.4.2",
     "webpack-dev-server": "5.2.2",
     "webpack-merge": "6.0.1",

packages/angular_devkit/build_angular/src/tools/webpack/plugins/karma/karma.ts

@@ -18,6 +18,7 @@ import { createConsoleLogger } from '@angular-devkit/core/node';
 import { logging } from '@angular-devkit/core';
 import { BuildOptions } from '../../../../utils/build-options';
 import { normalizeSourceMaps } from '../../../../utils/index';
+import assert from 'node:assert';
 
 const KARMA_APPLICATION_PATH = '_karma_webpack_';
 
@@ -142,6 +143,8 @@ const init: any = (config: any, emitter: any) => {
     callback?.();
   }
 
+  assert(compiler, 'Webpack compiler factory did not return a compiler instance.');
+
   compiler.hooks.invalid.tap('karma', () => handler());
   compiler.hooks.watchRun.tapAsync('karma', (_: any, callback: () => void) => handler(callback));
   compiler.hooks.run.tapAsync('karma', (_: any, callback: () => void) => handler(callback));

packages/angular_devkit/build_webpack/package.json

@@ -22,7 +22,7 @@
   "devDependencies": {
     "@angular-devkit/core": "workspace:0.0.0-PLACEHOLDER",
     "@ngtools/webpack": "workspace:0.0.0-PLACEHOLDER",
-    "webpack": "5.100.2",
+    "webpack": "5.101.0",
     "webpack-dev-server": "5.2.2"
   },
   "peerDependencies": {

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

@@ -7,6 +7,7 @@
  */
 
 import { Builder, BuilderContext, createBuilder } from '@angular-devkit/architect';
+import assert from 'node:assert';
 import { resolve as pathResolve } from 'node:path';
 import { Observable, from, isObservable, of, switchMap } from 'rxjs';
 import webpack from 'webpack';
@@ -72,6 +73,8 @@ export function runWebpackDevServer(
     switchMap(
       (webpackCompiler) =>
         new Observable<DevServerBuildOutput>((obs) => {
+          assert(webpackCompiler, 'Webpack compiler factory did not return a compiler instance.');
+
           const devServerConfig = options.devServerConfig || config.devServer || {};
           devServerConfig.host ??= 'localhost';
 

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

@@ -7,6 +7,7 @@
  */
 
 import { Builder, BuilderContext, BuilderOutput, createBuilder } from '@angular-devkit/architect';
+import assert from 'node:assert';
 import { resolve as pathResolve } from 'node:path';
 import { Observable, from, isObservable, of, switchMap } from 'rxjs';
 import webpack from 'webpack';
@@ -19,7 +20,7 @@ export interface WebpackLoggingCallback {
   (stats: webpack.Stats, config: webpack.Configuration): void;
 }
 export interface WebpackFactory {
-  (config: webpack.Configuration): Observable<webpack.Compiler> | webpack.Compiler;
+  (config: webpack.Configuration): Observable<webpack.Compiler | null> | webpack.Compiler | null;
 }
 
 export type BuildResult = BuilderOutput & {
@@ -64,6 +65,8 @@ export function runWebpack(
     switchMap(
       (webpackCompiler) =>
         new Observable<BuildResult>((obs) => {
+          assert(webpackCompiler, 'Webpack compiler factory did not return a compiler instance.');
+
           const callback = (err?: Error | null, stats?: webpack.Stats) => {
             if (err) {
               return obs.error(err);

packages/ngtools/webpack/package.json

@@ -30,6 +30,6 @@
     "@angular/compiler": "20.2.0-next.2",
     "@angular/compiler-cli": "20.2.0-next.2",
     "typescript": "5.8.3",
-    "webpack": "5.100.2"
+    "webpack": "5.101.0"
   }
 }