favor nquads in the accept header (#101)

* favor nquads in the accept header

* Unreleased link

---------

Co-authored-by: Martin Vanbrabant <martin.vanbrabant@ugent.be>

Author: bjdmeest

CHANGELOG.md

@@ -7,12 +7,13 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 ## [Unreleased]
 
-### Added<<<<<<< fix/41
+### Added
 - Added 'Unauthorized' to the fetch status (#90)
 - Query title above the result table (#41)
 
 ### Changed
 - On empty query result, show clear message (#86)
+- Force accept headers to favor NQuads to remove JSON-LD Context CORS issue problems (#100)
 
 ### Fixed
 - Fixed pagination bug in templated queries (#80)
@@ -81,4 +82,4 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 [1.1.0]: https://github.com/SolidLabResearch/generic-data-viewer-react-admin/releases/tag/v1.1.0
 [1.1.1]: https://github.com/SolidLabResearch/generic-data-viewer-react-admin/releases/tag/v1.1.1
 [1.1.2]: https://github.com/SolidLabResearch/generic-data-viewer-react-admin/releases/tag/v1.1.2
-[1.1.2]: https://github.com/SolidLabResearch/generic-data-viewer-react-admin/releases/tag/v1.1.2
+[Unreleased]: https://github.com/SolidLabResearch/generic-data-viewer-react-admin/compare/v1.1.2...HEAD

src/dataProvider/SparqlDataProvider.js

@@ -237,13 +237,17 @@ function generateContext(context) {
  */
 function statusFetch(customFetch, context) {
   const wrappedFetchFunction = async (arg) => {
-    try{
-      const response = await customFetch(arg); 
+    try {
+      const response = await customFetch(arg, {
+        headers: {
+          Accept: "application/n-quads,application/trig;q=0.95,application/ld+json;q=0.9,application/n-triples;q=0.8,*/*;q=0.1"
+        }
+      });
       context.fetchSuccess[arg] = response.ok;
       context.fetchStatusNumber[arg] = response.status;
       return response;
     }
-    catch(error){
+    catch (error) {
       context.fetchSuccess[arg] = false;
       throw error;
     }