Fix saving initial variant attributes (#1624)

src/attributes/utils/data.ts

@@ -7,6 +7,7 @@ import { AttributeErrorFragment } from "@saleor/fragments/types/AttributeErrorFr
 import { AttributeValueFragment } from "@saleor/fragments/types/AttributeValueFragment";
 import { SelectedVariantAttributeFragment } from "@saleor/fragments/types/SelectedVariantAttributeFragment";
 import { UploadErrorFragment } from "@saleor/fragments/types/UploadErrorFragment";
+import { VariantAttributeFragment } from "@saleor/fragments/types/VariantAttributeFragment";
 import { FormsetData } from "@saleor/hooks/useFormset";
 import { PageDetails_page_attributes } from "@saleor/pages/types/PageDetails";
 import { ProductDetails_product_attributes } from "@saleor/products/types/ProductDetails";
@@ -132,6 +133,16 @@ export function getAttributeData(
   }
 }
 
+export function getDefaultAttributeValues(attribute: VariantAttributeFragment) {
+  switch (attribute.inputType) {
+    case AttributeInputTypeEnum.BOOLEAN:
+      return ["false"];
+
+    default:
+      return [];
+  }
+}
+
 export function getSelectedAttributeValues(
   attribute:
     | PageDetails_page_attributes

src/products/utils/data.ts

@@ -1,4 +1,5 @@
 import {
+  getDefaultAttributeValues,
   getSelectedAttributeValues,
   mergeChoicesWithValues
 } from "@saleor/attributes/utils/data";
@@ -97,7 +98,7 @@ export function getAttributeInputFromAttributes(
     },
     id: attribute.id,
     label: attribute.name,
-    value: []
+    value: getDefaultAttributeValues(attribute)
   }));
 }