fix(frontend): GIFバナーの復活など (#10247)

* Restore GIF banner

* Add ALT banner, detect APNG too

* Add vitest

* Add CI for vitest

* Upload coverage?

* frontend

.github/workflows/test-frontend.yml

@@ -8,7 +8,44 @@ on:
   pull_request:
 
 jobs:
-  cypress:
+  vitest:
+    runs-on: ubuntu-latest
+
+    strategy:
+      matrix:
+        node-version: [18.x]
+
+    steps:
+    - uses: actions/checkout@v3.3.0
+      with:
+        submodules: true
+    - name: Install pnpm
+      uses: pnpm/action-setup@v2
+      with:
+        version: 7
+        run_install: false
+    - name: Use Node.js ${{ matrix.node-version }}
+      uses: actions/setup-node@v3.6.0
+      with:
+        node-version: ${{ matrix.node-version }}
+        cache: 'pnpm'
+    - run: corepack enable
+    - run: pnpm i --frozen-lockfile
+    - name: Check pnpm-lock.yaml
+      run: git diff --exit-code pnpm-lock.yaml
+    - name: Copy Configure
+      run: cp .github/misskey/test.yml .config
+    - name: Build
+      run: pnpm build
+    - name: Test
+      run: pnpm --filter frontend test-and-coverage
+    - name: Upload Coverage
+      uses: codecov/codecov-action@v3
+      with:
+        token: ${{ secrets.CODECOV_TOKEN }}
+        files: ./packages/frontend/coverage/coverage-final.json
+
+  e2e:
     runs-on: ubuntu-latest
 
     strategy: