Merge pull request #1016 from IntersectMBO/npm-node-test

Add CI test for NPM package using node.js

Author: palas

.github/workflows/haskell-wasm.yml

@@ -201,6 +201,16 @@ jobs:
       run: |
         cp result/cardano_node_grpc_web_pb.js cardano-wasm/lib-wrapper/
 
+    - name: Test NPM package with node.js
+      run: |
+        export TMPDIR=$(mktemp -d)
+        cp cardano-wasm/node.test.js $TMPDIR/
+        cp cardano-wasm/npm-wrapper/*.tgz $TMPDIR/
+        cd $TMPDIR
+        npm install ./*.tgz
+        node node.test.js
+        cd -
+
     - name: Upload built wasm library
       uses: actions/upload-artifact@v4
       with:

cardano-wasm/node.test.js

@@ -0,0 +1,29 @@
+// Test snippet from NPM's package README.md
+
+(async () => {
+  try {
+    // 1. Dynamically import the package.
+    const cardanoModule = await import('cardano-wasm');
+
+    // 2. The module's default export is an async function that initializes the WASM instance.
+    //    Await this to get the usable API object.
+    const api = await cardanoModule.default();
+    console.log("Cardano API loaded successfully!");
+
+    // 3. Now you can use the API to perform Cardano operations.
+    //    For example, let's create a new transaction body.
+    const tx = await api.tx.newTx();
+    console.log("New Transaction Body Created:", tx);
+
+    // You can now build upon the 'tx' object to add inputs, outputs, etc.
+
+    console.log("Test Passed.");
+    process.exit(0);
+
+  } catch (error) {
+    console.error("Failed to load or use the Cardano API:", error);
+
+    console.log("Test Failed.");
+    process.exit(1);
+  }
+})();