Custom bundler scripts are not working (T1269453) (#28711)

Author: alexslavr

.github/workflows/build_all.yml

@@ -49,9 +49,34 @@ jobs:
         run: pnpm run all:build
 
       - name: Copy build artifacts
-        uses: actions/upload-artifact@v3
+        uses: actions/upload-artifact@v4
         with:
           name: devextreme-npm-packages
           path: |
             artifacts/npm/*.tgz
           retention-days: 1
+
+  custom_bundles:
+    runs-on: devextreme-shr2
+    needs: build
+
+    steps:
+      - name: Download npm packages
+        uses: actions/download-artifact@v4
+        with:
+          name: devextreme-npm-packages
+          path: npm
+
+      - name: Move devextreme package
+        run: mv ./npm/devextreme-2*.tgz ./devextreme.tgz
+
+      - name: Setup deps
+        run: |
+          npm init -y
+          npm i webpack terser-webpack-plugin
+          npm i ./devextreme.tgz
+
+      - name: Build bundle
+        run: |
+          npx devextreme-bundler-init custom-bundle
+          npx devextreme-bundler custom-bundle

packages/devextreme/build/gulp/npm.js

@@ -123,8 +123,10 @@ const sources = (src, dist, distGlob) => (() => merge(
 
                 pkg.name = 'devextreme';
                 pkg.version = ctx.version;
+
                 delete pkg.devDependencies;
                 delete pkg.publishConfig;
+                delete pkg.scripts;
 
                 file.contents = Buffer.from(JSON.stringify(pkg, null, 2));
                 callback(null, file);

packages/devextreme/build/npm-bin/bundler.js

@@ -24,7 +24,9 @@ const createConfig = function(outputFile, mode) {
 
     config.resolve = {
         alias: {
-            'devextreme': sourcesDir
+            'devextreme': sourcesDir,
+            '../../events/index': path.resolve(sourcesDir, 'cjs/events/index.js'),
+            '../../common/core/events/utils/index': path.resolve(sourcesDir, 'cjs/common/core/events.js')
         },
         mainFields: ['main']
     };
@@ -43,7 +45,8 @@ webpack([
 
     const jsonStats = stats.toJson();
     if(jsonStats.errors.length) {
-        console.log('\'' + bundle + '\' bundles creation failed!\n\n' + jsonStats.errors.join('\n\n'));
+        const errorMessages = jsonStats.errors.map(({ message }) => message);
+        console.log('\'' + bundle + '\' bundles creation failed!\n\n' + errorMessages.join('\n\n'));
     } else {
         console.log('\'' + bundle + '\' bundles created!');
     }

packages/devextreme/package.json

@@ -220,6 +220,10 @@
     "qunit-in-docker": "gulp qunit-in-docker --constel",
     "tcd-update": "tcd-update"
   },
+  "bin": {
+    "devextreme-bundler-init": "bin/bundler-init.js",
+    "devextreme-bundler": "bin/bundler.js"
+  },
   "browserslist": [
     "last 2 versions",
     "ios > 9",