added eventRef as description to transition condition

Signed-off-by: Antonio Mendoza Pérez <antmendoza@gmail.com>

Author: antmendoza

src/lib/diagram/mermaidState.ts

@@ -102,7 +102,9 @@ export class MermaidState {
       eventBasedSwitchState.eventConditions.forEach((eventCondition) => {
         const transitionEventCondition = eventCondition as Specification.Transitioneventcondition;
 
-        transitions.push(...this.naturalTransition(stateName, transitionEventCondition.transition));
+        transitions.push(
+          ...this.naturalTransition(stateName, transitionEventCondition.transition, transitionEventCondition.eventRef)
+        );
 
         const endEventCondition = eventCondition as Specification.Enddeventcondition;
         if (endEventCondition.end) {

tests/lib/diagram/mermaidState.spec.ts

@@ -75,8 +75,8 @@ ParallelExec --> [*]`);
     expect(mermaidState.sourceCode()).toBe(`CheckVisaStatus : CheckVisaStatus
 CheckVisaStatus : type = Switch State
 CheckVisaStatus : Condition type = event-based
-CheckVisaStatus --> HandleApprovedVisa
-CheckVisaStatus --> HandleRejectedVisa
+CheckVisaStatus --> HandleApprovedVisa : visaApprovedEvent
+CheckVisaStatus --> HandleRejectedVisa : visaRejectedEvent
 CheckVisaStatus --> HandleNoVisaDecision : default`);
   });