fix(hydra): hydra prefix optional (remove hardcoded values) (#139)

Co-authored-by: Valentin Dassonville <[email protected]>

Author: valentin-dassonville

package.json

@@ -40,7 +40,7 @@
   "dependencies": {
     "graphql": "^16.0.0",
     "inflection": "^1.13.0",
-    "jsonld": "^8.1.0",
+    "jsonld": "^8.3.2",
     "jsonref": "^8.0.0",
     "lodash.get": "^4.4.0",
     "tslib": "^2.0.0"

src/hydra/fetchResource.ts

@@ -1,4 +1,5 @@
 import get from "lodash.get";
+import type { EmptyResponseDocument, ResponseDocument } from "./fetchJsonLd.js";
 import fetchJsonLd from "./fetchJsonLd.js";
 import type { IriTemplateMapping, RequestInitExtended } from "./types.js";
 
@@ -9,10 +10,16 @@ export default (
   return fetchJsonLd(
     resourceUrl,
     Object.assign({ itemsPerPage: 0 }, options)
-  ).then((d) => ({
-    parameters: get(
-      d,
-      "body.hydra:search.hydra:mapping"
-    ) as unknown as IriTemplateMapping[],
-  }));
+  ).then((d: ResponseDocument | EmptyResponseDocument) => {
+    let hasPrefix = true;
+    if ((d as ResponseDocument).body) {
+      hasPrefix = "hydra:search" in (d as ResponseDocument).body;
+    }
+    return {
+      parameters: get(
+        d,
+        hasPrefix ? "body.hydra:search.hydra:mapping" : "body.search.mapping"
+      ) as unknown as IriTemplateMapping[],
+    };
+  });
 };