Add QUERY http method support

CHANGELOG.md

@@ -10,6 +10,7 @@
   API, and for incorrect use it is inconsistent with other interactions with
   the headers collection, so it has been removed. Always use lowercase header
   names.
+- Added HTTP QUERY method support.
 
 ## v4.4.0 - 2026-09-01
 

src/gleam/http.gleam

@@ -38,6 +38,9 @@ pub type Method {
   /// Proxies that support this should only do so for known trustworthy
   /// clients.
   Connect
+  /// QUERY requests a resource from a server. It is safe, idempotent,
+  /// cacheable, and may have a request body.
+  Query
 
   /// Non-standard but valid HTTP methods.
   Other(String)
@@ -54,6 +57,7 @@ pub fn parse_method(method: String) -> Result(Method, Nil) {
     "POST" -> Ok(Post)
     "PUT" -> Ok(Put)
     "TRACE" -> Ok(Trace)
+    "QUERY" -> Ok(Query)
     method ->
       case is_valid_token(method) {
         True -> Ok(Other(method))
@@ -185,6 +189,7 @@ pub fn method_to_string(method: Method) -> String {
     Post -> "POST"
     Put -> "PUT"
     Trace -> "TRACE"
+    Query -> "QUERY"
     Other(method) -> method
   }
 }

test/gleam/http_test.gleam

@@ -55,6 +55,12 @@ pub fn parse_method_test() {
 
   assert http.parse_method("trace") == Ok(http.Other("trace"))
 
+  assert http.parse_method("Query") == Ok(http.Other("Query"))
+
+  assert http.parse_method("QUERY") == Ok(http.Query)
+
+  assert http.parse_method("query") == Ok(http.Other("query"))
+
   assert http.parse_method("thingy") == Ok(http.Other("thingy"))
 
   assert http.parse_method("!#$%&'*+-.^_`|~abcABC123")
@@ -82,6 +88,8 @@ pub fn method_to_string_test() {
 
   assert http.method_to_string(http.Trace) == "TRACE"
 
+  assert http.method_to_string(http.Query) == "QUERY"
+
   assert http.method_to_string(http.Other("ok")) == "ok"
 
   assert http.method_to_string(http.Other("nope")) == "nope"