From 974e7728f7a437cde05be47ce0190bdbf4d124d3 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?R=C3=B8b=C4=97rt=C3=B8?=
 <106074508+EchoDex@users.noreply.github.com>
Date: Thu, 22 Aug 2024 12:09:07 +0400
Subject: [PATCH] feat: checking node support

---
 package.json             |  2 +-
 src/utils/GraphClient.ts | 40 +++++++++++++++++++++++-----------------
 2 files changed, 24 insertions(+), 18 deletions(-)

diff --git a/package.json b/package.json
index 73df4ac..02a902d 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@compolabs/spark-orderbook-ts-sdk",
-  "version": "1.5.3",
+  "version": "1.5.4",
   "type": "module",
   "main": "./dist/index.сjs",
   "module": "./dist/index.js",
diff --git a/src/utils/GraphClient.ts b/src/utils/GraphClient.ts
index 7372218..45eb9e5 100644
--- a/src/utils/GraphClient.ts
+++ b/src/utils/GraphClient.ts
@@ -18,26 +18,32 @@ export class GraphClient {
       uri: httpUrl,
     });
 
-    const wsLink = new GraphQLWsLink(
-      createClient({
-        url: wsUrl,
-      }),
-    );
+    const wsLink =
+      typeof window !== "undefined"
+        ? new GraphQLWsLink(
+            createClient({
+              url: wsUrl,
+            }),
+          )
+        : null;
 
-    const splitLink = split(
-      ({ query }) => {
-        const definition = getMainDefinition(query);
-        return (
-          definition.kind === "OperationDefinition" &&
-          definition.operation === "subscription"
-        );
-      },
-      wsLink,
-      httpLink,
-    );
+    const splitLink =
+      typeof window !== "undefined" && wsLink !== null
+        ? split(
+            ({ query }) => {
+              const def = getMainDefinition(query);
+              return (
+                def.kind === "OperationDefinition" &&
+                def.operation === "subscription"
+              );
+            },
+            wsLink,
+            httpLink,
+          )
+        : httpLink;
 
     this.client = new ApolloClient({
-      link: wsLink,
+      link: splitLink,
       cache: new InMemoryCache(),
     });
   }