Removes 'Content-Type' header from GET requests leaving it only on POST

Author: danielfdsilva

src/stac-api/StacApi.test.ts

@@ -101,9 +101,6 @@ describe('StacApi', () => {
         'https://api.example.com/search?collections=sentinel-2-l2a&datetime=2025-12-01%2F2025-12-31',
         expect.objectContaining({
           method: 'GET',
-          headers: expect.objectContaining({
-            'Content-Type': 'application/json',
-          }),
         })
       );
     });

src/stac-api/index.ts

@@ -92,9 +92,8 @@ class StacApi {
     return fetch(url, {
       method,
       headers: {
-        'Content-Type': 'application/json',
-        ...headers,
         ...this.options?.headers,
+        ...headers,
       },
       body: payload ? JSON.stringify(payload) : undefined,
     });
@@ -114,7 +113,7 @@ class StacApi {
       return this.fetch(`${this.baseUrl}/search`, {
         method: 'POST',
         payload: requestPayload,
-        headers,
+        headers: { 'Content-Type': 'application/json', ...headers },
       });
     } else {
       const query = this.payloadToQuery(requestPayload);