support sns permission for jsonata

Author: mikewongblinx

lib/deploy/stepFunctions/compileIamRole.js

@@ -92,13 +92,16 @@ function getSqsPermissions(serverless, state) {
 }
 
 function getSnsPermissions(serverless, state) {
-  if (_.has(state, 'Parameters.TopicArn')
-      || _.has(state, ['Parameters', 'TopicArn.$'])) {
-    // if topic ARN is provided by input, then need pervasive permissions
-    const topicArn = state.Parameters['TopicArn.$'] ? '*' : state.Parameters.TopicArn;
-    return [{ action: 'sns:Publish', resource: topicArn }];
+  const topicArn = getParameterOrArgument(state, "TopicArn");
+  const topicArnPervasive = getParameterOrArgument(state, "TopicArn.$");
+  // if topic ARN is provided by input, then need pervasive permissions
+  if (topicArnPervasive) {
+    return [{ action: "sns:Publish", resource: "*" }];
   }
-  logger.log('SNS task missing Parameters.TopicArn or Parameters.TopicArn.$');
+  if (topicArn) {
+    return [{ action: "sns:Publish", resource: topicArn }];
+  }
+  logger.log("SNS task missing Parameters.TopicArn or Parameters.TopicArn.$");
   return [];
 }