chore: align fetch to spec (#10203)

This commit aligns the `fetch` API and the `Request` / `Response`
classes belonging to it to the spec. This commit enables all the
relevant `fetch` WPT tests. Spec compliance is now at around 90%.

Performance is essentially identical now (within 1% of 1.9.0).

1 files changed, 11 insertions, 0 deletions

diff --git a/op_crates/url/00_url.js b/op_crates/url/00_url.js
index 7c24a871a..f51b4aedc 100644
--- a/op_crates/url/00_url.js
+++ b/op_crates/url/00_url.js
@@ -391,8 +391,19 @@
     }
   }
 
+  /**
+   * This function implements application/x-www-form-urlencoded parsing.
+   * https://url.spec.whatwg.org/#concept-urlencoded-parser
+   * @param {Uint8Array} bytes
+   * @returns {[string, string][]} 
+   */
+  function parseUrlEncoded(bytes) {
+    return core.opSync("op_url_parse_search_params", null, bytes);
+  }
+
   window.__bootstrap.url = {
     URL,
     URLSearchParams,
+    parseUrlEncoded,
   };
 })(this);