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Author: dimaMachina

.changeset/nasty-beers-bow.md

@@ -0,0 +1,5 @@
+---
+'@graphiql/toolkit': minor
+---
+
+support graphql SSE for `options.subscriptionUrl`

packages/graphiql-toolkit/src/create-fetcher/createFetcher.ts

@@ -43,8 +43,13 @@ export function createGraphiQLFetcher(options: CreateFetcherOptions): Fetcher {
       : false;
 
     if (isSubscription) {
-      if (!options.subscriptionUrl.startsWith('ws')) {
-        const sseFetcher = await createSseFetcher({ url: options.sseUrl });
+      if (
+        options.subscriptionUrl &&
+        !options.subscriptionUrl.startsWith('ws')
+      ) {
+        const sseFetcher = await createSseFetcher({
+          url: options.subscriptionUrl,
+        });
         return sseFetcher(graphQLParams);
       }
 

packages/graphiql-toolkit/src/create-fetcher/types.ts

@@ -81,13 +81,9 @@ export interface CreateFetcherOptions {
    */
   url: string;
   /**
-   * url for websocket subscription requests
+   * url for websocket subscription requests or SSE
    */
   subscriptionUrl?: string;
-  /**
-   * url for graphql-sse
-   */
-  sseUrl?: string;
   /**
    * `wsClient` implementation that matches `ws-graphql` signature,
    * whether via `createClient()` itself or another client.

packages/graphiql/cypress/e2e/ws-sse.cy.ts

@@ -19,7 +19,7 @@ describe('IncrementalDelivery support via fetcher', () => {
 
   it('should work with sse', () => {
     cy.visit(
-      `/?sseUrl=http://localhost:8080/graphql/stream&query=${testSubscription}`,
+      `/?subscriptionUrl=http://localhost:8080/graphql/stream&query=${testSubscription}`,
     );
     cy.clickExecuteQuery();
     assertResponse();

packages/graphiql/resources/renderExample.js

@@ -77,8 +77,8 @@ root.render(
   React.createElement(GraphiQL, {
     fetcher: GraphiQL.createFetcher({
       url: getSchemaUrl(),
-      subscriptionUrl: 'ws://localhost:8081/subscriptions',
-      sseUrl: parameters.sseUrl,
+      subscriptionUrl:
+        parameters.subscriptionUrl || 'ws://localhost:8081/subscriptions',
     }),
     query: parameters.query,
     variables: parameters.variables,