handle undefined condition for trigger edges

packages/ws-worker/src/util/convert-attempt.ts

@@ -25,6 +25,14 @@ const mapEdgeCondition = (edge: Edge) => {
  return condition;
 };
 
+const mapTriggerEdgeCondition = (edge: Edge) => {
+ const { condition } = edge;
+ // This handles cron triggers with undefined conditions and the 'always' string.
+ if (condition === undefined || condition === 'always') return true;
+ // Otherwise, we will return the condition and assume it's a valid JS expression.
+ return condition;
+};
+
 export default (
  attempt: Attempt
 ): { plan: ExecutionPlan; options: AttemptOptions } => {
@@ -63,8 +71,7 @@ export default (
  nodes[id].next = connectedEdges.reduce((obj, edge) => {
  if (edge.enabled !== false) {
  // @ts-ignore
- obj[edge.target_job_id] =
- edge.condition == 'always' ? true : edge.condition;
+ obj[edge.target_job_id] = mapTriggerEdgeCondition(edge);
  }
  return obj;
  }, {});