From e11a6fa13214f91ffc602e53574736174ca6e8e9 Mon Sep 17 00:00:00 2001
From: Peter Amstutz <peter.amstutz@curii.com>
Date: Thu, 11 May 2023 14:23:52 -0400
Subject: [PATCH] 20493: isArrayOfType handles union type (optional) arrays

Arvados-DCO-1.1-Signed-off-by: Peter Amstutz <peter.amstutz@curii.com>
---
 src/models/workflow.ts | 11 +++++++----
 1 file changed, 7 insertions(+), 4 deletions(-)

diff --git a/src/models/workflow.ts b/src/models/workflow.ts
index e85dce7a..59b81a1d 100644
--- a/src/models/workflow.ts
+++ b/src/models/workflow.ts
@@ -185,10 +185,13 @@ export const isPrimitiveOfType = (input: GenericCommandInputParameter<any, any>,
         : input.type === type;
 
 export const isArrayOfType = (input: GenericCommandInputParameter<any, any>, type: CWLType) =>
-    typeof input.type === 'object' &&
-        input.type.type === 'array'
-        ? input.type.items === type
-        : false;
+    input.type instanceof Array
+        ? (input.type.filter(t => typeof t === 'object' &&
+            t.type === 'array' &&
+            t.items === type).length > 0)
+        : (typeof input.type === 'object' &&
+            input.type.type === 'array' &&
+            input.type.items === type);
 
 export const stringifyInputType = ({ type }: CommandInputParameter) => {
     if (typeof type === 'string') {
-- 
2.30.2