init graph health only on frontend

Author: dan13ram

package.json

@@ -1,7 +1,7 @@
 {
   "name": "@quest-chains/sdk",
   "description": "An SDK for building applications on top of Quest Chains",
-  "version": "0.1.12",
+  "version": "0.1.13",
   "license": "GPL-3.0",
   "main": "dist/index.js",
   "typings": "dist/index.d.ts",

src/graphql/health.ts

@@ -49,15 +49,15 @@ class SubgraphHealthStore {
   }
 }
 
-const HealthStoreSingleton = (function () {
+const HealthStoreSingleton = (function() {
   let instance: SubgraphHealthStore;
 
   function createInstance() {
     return new SubgraphHealthStore();
   }
 
   return {
-    getInstance: function () {
+    getInstance: function() {
       if (!instance) {
         instance = createInstance();
       }
@@ -70,6 +70,8 @@ const getSubgraphStatus = () => HealthStoreSingleton.getInstance().status();
 
 const initSubgraphHealthStore = getSubgraphStatus;
 
-initSubgraphHealthStore();
+if (typeof window !== 'undefined') {
+  initSubgraphHealthStore();
+}
 
 export const getSubgraphLatestBlock = (chainId: string): number => getSubgraphStatus()[chainId];

tsconfig.json

@@ -5,7 +5,7 @@
     "typeRoots": ["node_modules/@types"],
     "module": "commonjs",
     "resolveJsonModule": true,
-    "lib": ["esnext"],
+    "lib": ["esnext", "dom"],
     "importHelpers": true,
     "declaration": true,
     "sourceMap": true,