Merge pull request #42 from Hashnode/stellate-client-tracking

set stellate client headers

Author: JannikWempe

packages/webembeds-core/src/utils/graphql.ts

@@ -10,6 +10,12 @@ if (!HASHNODE_GRAPHQL_USER_ACCESS_TOKEN) {
   throw new Error("HASHNODE_GRAPHQL_USER_ACCESS_TOKEN is not defined");
 }
 
+// client tracking (https://dev.stellate.co/docs/graphql-metrics/clients)
+const STELLATE_CLIENT_NAME_HEADER = "x-graphql-client-name";
+const STELLATE_CLIENT_VERSION_HEADER = "x-graphql-client-version";
+
+const isServer = typeof window === "undefined";
+
 /**
  * Executes a GraphQL query and returns the data and errors.
  */
@@ -25,6 +31,8 @@ export const fetchGraphQL = async (options: {
       headers: {
         "Content-Type": "application/json",
         "hn-trace-app": "Embeds",
+        [STELLATE_CLIENT_NAME_HEADER]: "webembeds",
+        [STELLATE_CLIENT_VERSION_HEADER]: isServer ? "server" : "browser",
         Authorization: HASHNODE_GRAPHQL_USER_ACCESS_TOKEN,
       },
       body: JSON.stringify({