build(workflows): fix ts-node ESM circular dependency errors

Added a specific ts-node override in tsconfig.json to force CommonJS compilation during tests, bypassing Node 20 strict ESM cycle restrictions (ERR_REQUIRE_CYCLE_MODULE). Updated moduleResolution to node16 to resolve TypeScript deprecation warnings and added missing types.

Author: angelcaamal

workflows/package.json

@@ -10,7 +10,7 @@
     "build": "tsc -p .",
     "fix": "gts fix",
     "lint": "gts lint",
-    "test": "c8 mocha -p -j 2 --loader=ts-node/esm --extension ts --timeout 600000 --exit"
+    "test": "c8 mocha -p -j 2 --require ts-node/register --extension ts --timeout 600000 --exit"
   },
   "dependencies": {
     "@google-cloud/workflows": "^3.0.0"

workflows/quickstart/tsconfig.json

@@ -6,5 +6,11 @@
     "esModuleInterop": true,
     "moduleResolution": "node16",
     "module": "node16"
+  },
+  "ts-node": {
+    "compilerOptions": {
+      "module": "CommonJS",
+      "types": ["node", "mocha"]
+    }
   }
 }

workflows/test/create-execution.ts

@@ -25,7 +25,7 @@ const workflow = 'test-workflow-dont-delete';
 describe('create-execution', () => {
   it('should create an execution', async () => {
     const output = execSync(
-      `node --loader ts-node/esm ./create-execution.ts ${project} ${location} ${workflow}`
+      `node --require ts-node/register ./create-execution.ts ${project} ${location} ${workflow}`
     );
     assert(output.match(/name: projects.*executions.*/));
   });

workflows/test/list-workflows.ts

@@ -23,7 +23,7 @@ const location = 'us-central1';
 describe('list-workflows', () => {
   it('should run list-workflows', async () => {
     const output = execSync(
-      `node --loader ts-node/esm ./list-workflows.ts ${project} ${location}`
+      `node --require ts-node/register ./list-workflows.ts ${project} ${location}`
     );
     assert(output.match(/name: projects.*/));
   });

workflows/tsconfig.json

@@ -4,6 +4,13 @@
     "strict": true,
     "noImplicitAny": false,
     "esModuleInterop": true,
-    "moduleResolution": "node"
+    "moduleResolution": "node16",
+    "module": "node16"
+  },
+  "ts-node": {
+    "compilerOptions": {
+      "module": "CommonJS",
+      "types": ["node", "mocha"]
+    }
   }
 }