Add test workflow

Author: mstijak

.github/workflows/test.yml

@@ -0,0 +1,27 @@
+name: Tests
+
+on:
+  push:
+  pull_request:
+
+jobs:
+  test:
+    runs-on: ubuntu-latest
+
+    steps:
+      - uses: actions/checkout@v4
+
+      - name: Setup Node.js
+        uses: actions/setup-node@v4
+        with:
+          node-version: '20'
+          cache: 'yarn'
+
+      - name: Install dependencies
+        run: yarn install --frozen-lockfile
+
+      - name: Build cx package
+        run: yarn build
+
+      - name: Run tests
+        run: yarn test

package.json

@@ -6,7 +6,7 @@
       "start": "cd docs && webpack-dev-server --config webpack.config.js --open",
       "test": "yarn workspaces foreach -A --include cx --include babel-plugin-transform-cx-jsx --include babel-plugin-transform-cx-imports run test",
       "docs": "webpack-dev-server --config docs/webpack.config.js --open",
-      "build": "node packages/cx/build/index.js",
+      "build": "yarn workspace cx run compile && yarn workspace cx run build",
       "build:docs": "webpack --config docs/webpack.config.js",
       "build:docs:root": "webpack --config docs/webpack.config.js",
       "measure:docs": "webpack-dev-server --config docs/webpack.config.js --open",