perf(@angular-devkit/build-angular): clean no-longer used assets during builds

alan-agius4 · alan-agius4 · commit f5f41ea92944 · 2021-05-18T18:55:18.000+02:00
This reduce memory consumption during re-builds. ``` runtime.ba93f81591909b93394f.hot-update.js.map will be removed styles.ba93f81591909b93394f.hot-update.js.map will be removed runtime.ba93f81591909b93394f.hot-update.json will be removed runtime.ba93f81591909b93394f.hot-update.js will be removed styles.ba93f81591909b93394f.hot-update.js will be removed ``` See webpack/webpack#12947 (comment) and webpack/webpack#13127
diff --git a/packages/angular_devkit/build_angular/src/webpack/configs/common.ts b/packages/angular_devkit/build_angular/src/webpack/configs/common.ts
@@ -443,6 +443,7 @@ export function getCommonConfig(wco: WebpackConfigOptions): Configuration {
     context: root,
     entry: entryPoints,
     output: {
+      clean: buildOptions.deleteOutputPath,
       path: path.resolve(root, buildOptions.outputPath),
       publicPath: buildOptions.deployUrl ?? '',
       filename: ({ chunk }) => {
