Merge pull request #311 from aslafy-z/patch-1

feat:  human readable errors in state schema validation

Author: theburningmonk

lib/deploy/stepFunctions/compileStateMachines.js

@@ -114,13 +114,13 @@ module.exports = {
 
         if (stateMachineObj.definition) {
           if (this.serverless.service.stepFunctions.validate) {
-            const { isValid, errors } = aslValidator(stateMachineObj.definition);
+            const { isValid, errorsText } = aslValidator(stateMachineObj.definition);
             if (isValid) {
               this.serverless.cli.consoleLog(`✓ State machine "${stateMachineName}" definition is valid`);
             } else {
               const errorMessage = [
                 `✕ State machine "${stateMachineName}" definition is invalid:`,
-                JSON.stringify(errors),
+                errorsText(),
               ].join('\n');
               throw new this.serverless.classes.Error(errorMessage);
             }