Ensure that all application/json responses are parsed as JSON

lib/nano.js

@@ -148,7 +148,7 @@ module.exports = exports = function dbScope (cfg) {
       // when doing head requests, we return the response headers, not the response body
       if (req.method === 'head') {
         retval = Object.fromEntries(response.headers)
-      } else if (contentType === 'application/json') {
+      } else if (contentType && contentType.startsWith('application/json')) {
         try {
           retval = await response.json()
         } catch {

package.json

@@ -19,9 +19,9 @@
   "dependencies": {
   },
   "devDependencies": {
-    "undici": "^7.20.0",
-    "@types/node": "^25.2.1",
-    "typescript": "^5.9.3"
+    "undici": "^7.24.6",
+    "@types/node": "^25.5.0",
+    "typescript": "^6.0.2"
   },
   "scripts": {
     "test": "tsc lib/nano.d.ts && node --test ./test/*.test.js"

test/nano.request.test.js

@@ -442,3 +442,25 @@ test('check request sends headers for gzipped responses - nano.request', async (
   assert.deepEqual(p, response)
   mockAgent.assertNoPendingInterceptors()
 })
+
+
+test('check request parses JSON with character set', async () => {
+  // mocks
+  const response = { ok: true }
+  const CHARSET_HEADERS = { headers: { 'content-type': 'application/json; charset=utf-8' } }
+  mockPool
+    .intercept({
+      path: '/db/mydoc'
+    })
+    .reply(200, response, CHARSET_HEADERS)
+
+  // test GET /db?a=1&b=2
+  const req = {
+    method: 'get',
+    db: 'db',
+    doc: 'mydoc'
+  }
+  const p = await nano.request(req)
+  assert.deepEqual(p, response)
+  mockAgent.assertNoPendingInterceptors()
+})