From c375a9c50d2c19ba551876ba4bf5a62626d0e71d Mon Sep 17 00:00:00 2001
From: Alastair Porter <alastair.porter@upf.edu>
Date: Fri, 9 Apr 2021 11:36:59 +0200
Subject: [PATCH] fix(json-ld): Get types that implement an interface

---
 src/helpers/SchemaHelper.js | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/src/helpers/SchemaHelper.js b/src/helpers/SchemaHelper.js
index 2cfb675..8ae1638 100644
--- a/src/helpers/SchemaHelper.js
+++ b/src/helpers/SchemaHelper.js
@@ -31,11 +31,11 @@ class SchemaHelper {
    */
   findInterfaceImplementingTypes (interfaceName) {
     const implementations = this.findInterface(interfaceName)
-    if (!Array.isArray(implementations) || !implementations.length) {
+    if (!implementations.objects || !Array.isArray(implementations.objects) || !implementations.objects.length) {
       return null
     }
 
-    return implementations.map(implementation => { return implementation.toString() })
+    return implementations.objects.map(implementation => { return implementation.toString() })
   }
 
   /**
@@ -43,7 +43,7 @@ class SchemaHelper {
    * @returns {*|Array<GraphQLObjectType>}
    */
   findInterface (interfaceName) {
-    return this.schema.getImplementations(interfaceName)
+    return this.schema.getImplementations({name:interfaceName})
   }
 
   /**