test: run tests against firefox and webdriverio too

.github/actions/setup-and-cache/action.yml

@@ -10,13 +10,47 @@ runs:
   using: "composite"
   steps:
     - name: Install pnpm
-      uses: pnpm/action-setup@v2
+      uses: pnpm/action-setup@a7487c7e89a18df4991f7f222e4898a00d66ddda # v4.1.0
 
-    - uses: actions/setup-node@v4
+    - name: Set node version to ${{ inputs.node-version }}
+      uses: actions/setup-node@v4
       with:
         node-version: ${{ inputs.node-version }}
         registry-url: "https://registry.npmjs.org"
 
+    - name: Resolve package versions
+      id: resolve-package-versions
+      shell: bash
+      run: >
+        echo "$(
+          node -e "
+            const fs = require('fs');
+            const lockfile = fs.readFileSync('./pnpm-lock.yaml', 'utf8');
+            const pattern = (name) => new RegExp(name + ':\\\s+specifier: [\\\s\\\w\\\.^]+version: (\\\d+\\\.\\\d+\\\.\\\d+)');
+            const playwrightVersion = lockfile.match(pattern('playwright'))[1];
+            console.log('PLAYWRIGHT_VERSION=' + playwrightVersion);
+          "
+        )" >> $GITHUB_OUTPUT
+
+    - name: Print versions
+      shell: bash
+      run: echo "${{ toJson(steps.resolve-package-versions.outputs) }}"
+
+    - name: Check resolved package versions
+      shell: bash
+      if: |
+        contains(fromJSON('[null, "", "undefined"]'), steps.resolve-package-versions.outputs.PLAYWRIGHT_VERSION)
+      run: echo "Failed to resolve package versions. See log above." && exit 1
+
+    - name: Cache Playwright v${{ steps.resolve-package-versions.outputs.PLAYWRIGHT_VERSION }}
+      uses: actions/cache@v4
+      id: playwright-cache
+      with:
+        path: ${{ env.PLAYWRIGHT_BROWSERS_PATH }}
+        key: ${{ runner.os }}-playwright-${{ steps.resolve-package-versions.outputs.PLAYWRIGHT_VERSION }}
+        restore-keys: |
+          ${{ runner.os }}-playwright-
+
     - uses: actions/cache@v4
       with:
         path: |

.github/workflows/ci.yml

@@ -7,6 +7,9 @@ on:
   pull_request:
   workflow_dispatch:
 
+env:
+  PLAYWRIGHT_BROWSERS_PATH: ${{ github.workspace }}/.cache/ms-playwright
+
 jobs:
   test:
     runs-on: ubuntu-latest
@@ -36,11 +39,19 @@ jobs:
         run: pnpm typecheck
 
       - name: Install Playwright Dependencies
-        run: pnpm exec playwright install chromium --with-deps
+        run: pnpm exec playwright install chromium firefox --with-deps
 
       - name: Test
         run: pnpm test
 
+      - name: Upload screenshots
+        uses: actions/upload-artifact@v4
+        if: failure()
+        with:
+          name: vitest-screenshots
+          path: test/__screenshots__
+          retention-days: 30
+
   publish-preview:
     runs-on: ubuntu-latest
     if: ${{ false }} # TODO: Set up preview deployments

.github/workflows/publish.yml

@@ -11,6 +11,9 @@ on:
           - minor
           - major
 
+env:
+  PLAYWRIGHT_BROWSERS_PATH: ${{ github.workspace }}/.cache/ms-playwright
+
 jobs:
   build:
     runs-on: ubuntu-latest

README.md

@@ -37,8 +37,6 @@ export default defineConfig({
   test: {
     browser: {
       enabled: true,
-      provider: "playwright",
-      instances: [{ browser: "chromium" }],
     },
   },
 });

package.json

@@ -58,7 +58,8 @@
     "prettier": "^3.5.3",
     "tsup": "^8.4.0",
     "typescript": "^5.8.3",
-    "vitest": "^3.1.1"
+    "vitest": "^3.1.1",
+    "webdriverio": "^9.12.5"
   },
   "prettier": {}
 }