Bug 1855792 - only set window.Glean vars in browser

CHANGELOG.md

@@ -2,6 +2,8 @@
 
 [Full changelog](https://github.com/mozilla/glean.js/compare/v2.0.3...main)
 
+* [#1772](https://github.com/mozilla/glean.js/pull/1772): Fix bug where `window.Glean` functions were getting set on non-browser properties.
+
 # v2.0.3 (2023-09-27)
 
 [Full changelog](https://github.com/mozilla/glean.js/compare/v2.0.2...v2.0.3)

glean/src/core/glean/sync.ts

@@ -445,10 +445,13 @@ declare global {
   }
 }
 
-window.Glean = {
-  setLogPings: Glean.setLogPings,
-  setDebugViewTag: Glean.setDebugViewTag,
-  setSourceTags: Glean.setSourceTags
-};
+// Only set `Glean` values whenever running inside of a browser.
+if (typeof window !== "undefined") {
+  window.Glean = {
+    setLogPings: Glean.setLogPings,
+    setDebugViewTag: Glean.setDebugViewTag,
+    setSourceTags: Glean.setSourceTags
+  };
+}
 
 export default Glean;