fix: should not depend on 'global' global variable (#2155) (#2156)

graphql · Feb 14, 2022 · ae5ea77 · ae5ea77 · github-actions · Feb 14, 2022
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diff --git a/.changeset/selfish-lies-cheer.md b/.changeset/selfish-lies-cheer.md
@@ -0,0 +1,5 @@
+---
+'graphiql': patch
+---
+
+Fixed problem where 'global' variable is referenced when it might not be present (#2155)
diff --git a/packages/graphiql/src/components/GraphiQL.tsx b/packages/graphiql/src/components/GraphiQL.tsx
@@ -531,7 +531,9 @@ export class GraphiQL extends React.Component<GraphiQLProps, GraphiQLState> {
     // Utility for keeping CodeMirror correctly sized.
     this.codeMirrorSizer = new CodeMirrorSizer();
 
-    global.g = this;
+    if (global) {
+      global.g = this;
+    }
   }
   UNSAFE_componentWillMount() {
     this.componentIsMounted = false;