From c0e18d473c050d143f67ed2c76fa9ec9414daf1a Mon Sep 17 00:00:00 2001
From: Sebastian Rindom <skrindom@gmail.com>
Date: Sat, 2 Jul 2022 11:05:20 +0200
Subject: [PATCH] fix(webshipper): only add invoices if invoice generator
 produces a file (#1749)

---
 .../src/services/webshipper-fulfillment.js    | 28 ++++++++++---------
 1 file changed, 15 insertions(+), 13 deletions(-)

diff --git a/packages/medusa-fulfillment-webshipper/src/services/webshipper-fulfillment.js b/packages/medusa-fulfillment-webshipper/src/services/webshipper-fulfillment.js
index 4ea0cd2e00..92a991d9a0 100644
--- a/packages/medusa-fulfillment-webshipper/src/services/webshipper-fulfillment.js
+++ b/packages/medusa-fulfillment-webshipper/src/services/webshipper-fulfillment.js
@@ -287,19 +287,21 @@ class WebshipperFulfillmentService extends FulfillmentService {
           fulfillmentItems
         )
 
-        invoice = await this.client_.documents
-          .create({
-            type: "documents",
-            attributes: {
-              document_size: this.options_.document_size || "A4",
-              document_format: "PDF",
-              base64: base64Invoice,
-              document_type: "invoice",
-            },
-          })
-          .catch((err) => {
-            throw err
-          })
+        if (base64Invoice) {
+          invoice = await this.client_.documents
+            .create({
+              type: "documents",
+              attributes: {
+                document_size: this.options_.document_size || "A4",
+                document_format: "PDF",
+                base64: base64Invoice,
+                document_type: "invoice",
+              },
+            })
+            .catch((err) => {
+              throw err
+            })
+        }
 
         const cooCountries = this.options_.coo_countries
         if (