swiftwasm · kateinoigakukun · Feb 10, 2026 · Feb 9, 2026
diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
@@ -69,6 +69,8 @@ jobs:
          git diff --exit-code Sources/JavaScriptKit/Runtime
      - run: swift test --package-path ./Plugins/PackageToJS
      - run: swift test --package-path ./Plugins/BridgeJS
+      - name: Validate BridgeJS TypeScript declarations
+        run: npm run check:bridgejs-dts

  test-bridgejs-against-swift-versions:
    name: Test BridgeJS against Swift versions
@@ -90,6 +92,8 @@ jobs:
          node-version: '20'
      - name: Install TypeScript
        run: npm install
+      - name: Validate BridgeJS TypeScript declarations
+        run: npm run check:bridgejs-dts
      - name: Run BridgeJS tests
        # NOTE: Seems like the prebuilt SwiftSyntax binaries are not compatible with
        # non-macro dependents, so disable experimental prebuilts for now.

diff --git a/Plugins/BridgeJS/Tests/BridgeJSToolTests/__Snapshots__/BridgeJSLinkTests/tsconfig.json b/Plugins/BridgeJS/Tests/BridgeJSToolTests/__Snapshots__/BridgeJSLinkTests/tsconfig.json
@@ -0,0 +1,12 @@
+{
+  "compilerOptions": {
+    "strict": true,
+    "noEmit": true,
+    "skipLibCheck": false,
+    "target": "ES2020",
+    "module": "ES2020",
+    "moduleResolution": "node",
+    "lib": ["ES2020", "DOM"]
+  },
+  "include": ["*.d.ts"]
+}
diff --git a/package.json b/package.json
@@ -13,7 +13,8 @@
    "build:clean": "rm -rf Runtime/lib",
    "build:ts": "cd Runtime; rollup -c",
    "prepublishOnly": "npm run build",
-    "format": "prettier --write Runtime/src"
+    "format": "prettier --write Runtime/src",
+    "check:bridgejs-dts": "tsc --project Plugins/BridgeJS/Tests/BridgeJSToolTests/__Snapshots__/BridgeJSLinkTests/tsconfig.json"
  },
  "keywords": [
    "Swift",