feat: add rspack support

AGENTS.md

@@ -13,8 +13,7 @@ proceed with caution when making any changes to this codebase.
 When making changes that may impact existing functionality, ensure that all changelogs
 are up-to-date, and that version bumps are done according to semantic versioning.
 
-When adding new functionality, write Jest unit tests, and Cypress end-to-end
-and component tests.
+When adding new functionality, write Jest unit tests, and Playwright end-to-end tests.
 
 ## Setup commands
 

docker/Dockerfile.ci-operator-buildroot

@@ -44,10 +44,6 @@ ENV PATH=$NVM_DIR/versions/node/$NODE_VERSION/bin:$PATH
 # Install global npm package dependencies.
 RUN npm install -g yarn
 
-# Install Cypress related dependencies.
-# https://docs.cypress.io/app/get-started/install-cypress#Linux-Prerequisites
-RUN dnf install -y xorg-x11-server-Xvfb gtk3-devel nss alsa-lib
-
 # Clean up temporary files.
 RUN dnf clean all
 

package.json

@@ -8,6 +8,7 @@
     "build-libs": "yarn workspaces foreach -A --include 'packages/lib-*' run build",
     "build-samples": "yarn workspaces foreach -A --include 'packages/sample-*' run build",
     "build-samples-prod": "yarn workspaces foreach -A --include 'packages/sample-*' run build-prod",
+    "build-samples-rspack": "yarn workspaces foreach -A --include 'packages/sample-*' run build-rspack",
     "run-samples": "yarn workspaces foreach -Api --include 'packages/sample-*' run http-server",
     "lint": "yarn eslint packages",
     "test": "yarn jest",

packages/lib-webpack/CHANGELOG.md

@@ -1,5 +1,10 @@
 # Changelog for `@openshift/dynamic-plugin-sdk-webpack`
 
+## 5.2.0 - 2026-06-07
+
+- Add rspack compatibility: `DynamicRemotePlugin` now works with both webpack and rspack bundlers ([#285])
+- Add `@rspack/core` and `webpack` to optional peer dependencies ([#285])
+
 ## 5.1.1 - 2026-04-16
 
 - Fix bug in `PatchEntryCallbackPlugin` where compilation fails when using webpack-dev-server ([#314])
@@ -77,6 +82,7 @@
 [#256]: https://github.com/openshift/dynamic-plugin-sdk/pull/256
 [#259]: https://github.com/openshift/dynamic-plugin-sdk/pull/259
 [#280]: https://github.com/openshift/dynamic-plugin-sdk/pull/280
+[#285]: https://github.com/openshift/dynamic-plugin-sdk/pull/285
 [#289]: https://github.com/openshift/dynamic-plugin-sdk/pull/289
 [#296]: https://github.com/openshift/dynamic-plugin-sdk/pull/296
 [#314]: https://github.com/openshift/dynamic-plugin-sdk/pull/314

packages/lib-webpack/package.json

@@ -1,6 +1,6 @@
 {
   "name": "@openshift/dynamic-plugin-sdk-webpack",
-  "version": "5.1.1",
+  "version": "5.2.0",
   "description": "Allows building dynamic plugin assets with webpack",
   "license": "Apache-2.0",
   "repository": {
@@ -26,8 +26,17 @@
     "api-extractor-local": "yarn run api-extractor --local"
   },
   "peerDependencies": {
+    "@rspack/core": "^2.0.6",
     "webpack": "^5.100.0"
   },
+  "peerDependenciesMeta": {
+    "@rspack/core": {
+      "optional": true
+    },
+    "webpack": {
+      "optional": true
+    }
+  },
   "dependencies": {
     "lodash": "^4.17.23",
     "semver": "^7.7.3",

packages/lib-webpack/src/webpack/DynamicRemotePlugin.ts

@@ -210,8 +210,14 @@ export class DynamicRemotePlugin implements WebpackPluginInstance {
     const moduleFederationLibraryType = moduleFederationSettings.libraryType ?? 'jsonp';
     const moduleFederationSharedScope = moduleFederationSettings.sharedScopeName ?? 'default';
 
+    // Rspack's renamed ModuleFederationPlugin to ModuleFederationPluginV1.
+    // Their ModuleFederationPlugin implements module federation 1.5+
+    const isRspack = 'rspack' in compiler;
+
     const {
-      ModuleFederationPlugin = compiler.webpack.container.ModuleFederationPlugin,
+      ModuleFederationPlugin = isRspack
+        ? (compiler as any).rspack.container.ModuleFederationPluginV1
+        : compiler.webpack.container.ModuleFederationPlugin,
       ContainerPlugin = compiler.webpack.container.ContainerPlugin,
     } = moduleFederationSettings.pluginOverride ?? {};
 

packages/sample-app/.eslintrc.js

@@ -1,14 +1,4 @@
 module.exports = {
   root: true,
   extends: ['plugin:@monorepo/eslint-plugin-internal/react-typescript-prettier'],
-  overrides: [
-    {
-      files: ['*.cy.ts', '*.cy.tsx'],
-      rules: {
-        // Suppress false positives due to https://docs.cypress.io/api/commands/then
-        'promise/always-return': 'off',
-        'promise/catch-or-return': 'off',
-      },
-    },
-  ],
 };

packages/sample-app/package.json

@@ -7,9 +7,11 @@
     "clean": "rm -rf dist",
     "build": "yarn clean && yarn webpack",
     "build-prod": "yarn clean && NODE_ENV=production yarn webpack",
+    "build-rspack": "yarn clean && NODE_ENV=production yarn rspack",
     "analyze": "yarn clean && NODE_ENV=production ANALYZE_BUNDLES=true yarn webpack",
     "lint": "yarn run -T eslint $INIT_CWD",
-    "webpack": "node -r ts-node/register ./node_modules/.bin/webpack",
+    "webpack": "WEBPACK=1 node -r ts-node/register ./node_modules/.bin/webpack",
+    "rspack": "RSPACK=1 node -r ts-node/register ./node_modules/.bin/rspack -c webpack.config.ts",
     "http-server": "http-server dist -p 9000 -c-1",
     "test-e2e": "yarn run -T playwright test --headed",
     "test-e2e-headless": "yarn run -T playwright test"
@@ -22,6 +24,9 @@
     "@patternfly/react-styles": "^6.4.0",
     "@patternfly/react-table": "^6.4.0",
     "@patternfly/react-tokens": "^6.4.0",
+    "@rspack/cli": "^2.0.6",
+    "@rspack/core": "^2.0.6",
+    "@types/webpack-bundle-analyzer": "~4.7.0",
     "copy-webpack-plugin": "^13.0.1",
     "css-loader": "^7.1.2",
     "css-minimizer-webpack-plugin": "7.0.2",