Fix: prevent entry point sourcemap output

src/base.config.ts

@@ -180,15 +180,19 @@ export default function webpackConfigFactory(args: any): webpack.Configuration {
 				new EmitAllPlugin({
 					legacy: args.legacy,
 					inlineSourceMaps: false,
-					assetFilter: (key: string) => {
-						// Exclude the main.css | main.css.map files generated by webpack, and emit the entry point
-						// only if src/main.ts is provided by the project.
-						if (/^main(?!\/)/.test(key)) {
-							return !/\.css(\.map)?$/.test(key) && args.libEntryPath.endsWith('main.ts');
-						}
-
-						return key.endsWith('.d.ts') || !/\.(css|js)$/.test(key);
-					}
+					assetFilter: (() => {
+						const elementNames = elements.map((element: any) => element.name);
+						const getElementNameFromKey = (key: string) =>
+							key.replace(`-${packageJson.version}`, '').replace(/\.(js|css)\.map$/, '');
+						return (key: string) => {
+							if (key.endsWith('.map')) {
+								// Exclude sourcemaps that are generated for the entry paths, as those sourcemaps will be
+								// added separately to the widget directories.
+								return !elementNames.includes(getElementNameFromKey(key));
+							}
+							return key.endsWith('.d.ts') || !/\.(css|js)$/.test(key);
+						};
+					})()
 				})
 		]),
 		module: {