Add some options to UrlLoader (#2898)

* Add some options to UrlLoader

* multipart response support

* changeset'

* Fix polyfill

* Bump

* Try to fix withCancel

* Align versions

Author: ardatan

.changeset/purple-crews-rush.md

@@ -0,0 +1,5 @@
+---
+'@graphql-tools/url-loader': minor
+---
+
+feat(url-loader): multipart response support

.changeset/two-papayas-work.md

@@ -0,0 +1,5 @@
+---
+'@graphql-tools/utils': minor
+---
+
+feat(utils): add withCancel

.changeset/weak-eagles-flow.md

@@ -0,0 +1,6 @@
+---
+'@graphql-tools/url-loader': minor
+---
+
+feat(url-loader): ability to provide different subscriptionsEndpoint
+feat(url-loader): ability to provide headers factory that takes executionParams

packages/loaders/github/tests/schema-from-github.spec.ts

@@ -28,7 +28,7 @@ function normalize(doc: string): string {
 }
 
 test('load schema from GitHub', async () => {
-  let headers: Record<string, string> = {};
+  let headers: Record<string, string | string[]> = {};
   let query: string;
   let variables: any;
   let operationName: string;

packages/loaders/url/declarations.d.ts

@@ -1,2 +1,2 @@
 declare module 'sync-fetch';
-declare module 'graphql-upload';
+declare module '@ardatan/eventsource';

packages/loaders/url/package.json

@@ -28,20 +28,23 @@
     "@types/extract-files": "8.1.0",
     "@types/eventsource": "1.1.5",
     "@types/ws": "7.4.2",
+    "graphql-upload": "11.0.0",
     "mock-http": "1.1.0",
     "mock-socket": "9.0.3"
   },
   "dependencies": {
     "@graphql-tools/delegate": "^7.0.1",
-    "@graphql-tools/utils": "^7.1.5",
+    "@graphql-tools/utils": "^7.8.1",
     "@graphql-tools/wrap": "^7.0.4",
     "@types/websocket": "1.0.2",
+    "abort-controller": "3.0.0",
     "cross-fetch": "3.1.4",
-    "eventsource": "1.1.0",
+    "@ardatan/eventsource": "1.1.2",
     "extract-files": "9.0.0",
     "form-data": "4.0.0",
-    "graphql-upload": "^11.0.0",
     "graphql-ws": "^4.4.1",
+    "lodash": "4.17.21",
+    "meros": "1.1.4",
     "is-promise": "4.0.0",
     "isomorphic-ws": "4.0.1",
     "sse-z": "0.3.0",