Add Response.json() static method to Fetch (#1091)

Co-authored-by: Philip Jägenstedt <[email protected]>

features/fetch.yml

@@ -1,7 +1,9 @@
-name: Fetch (initial support)
+name: Fetch
 description: The `fetch()` method makes asynchronous HTTP requests.
 spec: https://fetch.spec.whatwg.org/
 caniuse: fetch
+status:
+  compute_from: api.fetch
 compat_features:
   - api.Headers
   - api.Headers.Headers
@@ -31,6 +33,7 @@ compat_features:
   - api.Response.clone
   - api.Response.headers
   - api.Response.json
+  - api.Response.json_static
   - api.Response.ok
   - api.Response.status
   - api.Response.statusText

features/fetch.yml.dist

@@ -14,6 +14,18 @@ status:
     safari: "10.1"
     safari_ios: "10.3"
 compat_features:
+  # ⬇️ Same status as overall feature ⬇️
+  # baseline: high
+  # baseline_low_date: 2017-03-27
+  # baseline_high_date: 2019-09-27
+  # support:
+  #   chrome: "42"
+  #   chrome_android: "42"
+  #   edge: "14"
+  #   firefox: "39"
+  #   firefox_android: "39"
+  #   safari: "10.1"
+  #   safari_ios: "10.3"
   - api.Headers
   - api.Headers.Headers
   - api.Headers.append
@@ -49,3 +61,15 @@ compat_features:
   - api.Response.type
   - api.Response.url
   - api.fetch
+
+  # baseline: low
+  # baseline_low_date: 2023-09-18
+  # support:
+  #   chrome: "105"
+  #   chrome_android: "105"
+  #   edge: "105"
+  #   firefox: "115"
+  #   firefox_android: "115"
+  #   safari: "17"
+  #   safari_ios: "17"
+  - api.Response.json_static