Update threads.js

jmoenig · Nov 9, 2024 · b8177e4 · b8177e4
1 parent 8e90e24
commit b8177e4
Showing 1 changed file with 3 additions and 1 deletion.
diff --git a/src/threads.js b/src/threads.js
@@ -1753,7 +1753,9 @@ Process.prototype.doSetSlot = function(name, value) {
             subslots = slot.inputs();
             value.itemsArray().forEach((item, i) => {
                 if (subslots[i] instanceof InputSlotMorph) {
-                    subslots[i].setContents(item.toString());
+                    subslots[i].setContents(
+                        isNil(item) ? '' : item.toString()
+                    );
                 } else if (subslots[i] instanceof BooleanSlotMorph) {
                     subslots[i].setContents(item);
                 }