Add browser tests

.github/workflows/ci.yml

@@ -31,6 +31,19 @@ jobs:
         with:
           token: ${{ secrets.CODECOV_TOKEN }}
 
+      - name: Run browser tests (chromium, firefox)
+        working-directory: tests-browser
+        run: |
+          pnpm install && pnpm exec playwright install
+          pnpm test
+          pnpm test -- --browser=firefox
+
+      - name: Run browser tests (webkit)
+        working-directory: tests-browser
+        if: matrix.os == 'macos-latest'
+        run: |
+          pnpm test -- --browser=webkit
+
   check-runtimes:
     runs-on: ubuntu-latest
     steps:

tests-browser/package.json

@@ -0,0 +1,17 @@
+{
+  "name": "tests-browser",
+  "description": "Test browser compatibility",
+  "private": true,
+  "version": "0.1.0",
+  "scripts": {
+    "test": "vitest"
+  },
+  "dependencies": {
+    "@ecies/ciphers": "file:.."
+  },
+  "devDependencies": {
+    "@vitest/browser": "^2.1.3",
+    "playwright": "^1.48.1",
+    "vitest": "^2.1.3"
+  }
+}