ResultType (#14)

* working

* more consistent comments

* init

* mini upd

* working

* remove generic

Author: danylo-safonov-solid

example/lib/main.dart

@@ -19,6 +19,7 @@ Future<Response> fetch(Request _) async {
   return Response(
     [
       result.command == CommandType.select,
+      result.query.resultType,
       ...result.rows.map(rowToPrettyString),
     ].join('\n\n'),
   );

lib/deno_postgres_interop.dart

@@ -4,6 +4,7 @@ library;
 export 'src/client.dart';
 export 'src/command_type.dart';
 export 'src/isolation_level.dart';
+export 'src/query.dart';
 export 'src/query_client.dart';
 export 'src/query_object.dart' show QueryArguments;
 export 'src/query_object_result.dart';

lib/src/query.dart

@@ -1,5 +1,15 @@
 import 'dart:js_interop';
+import 'dart:js_util';
+
+import 'package:deno_postgres_interop/src/result_type.dart';
 
 /// [[email protected]/Query](https://deno.land/x/[email protected]/query/query.ts?s=Query).
 @JS()
-class Query<T> {}
+class Query {}
+
+/// [[email protected]/Query](https://deno.land/x/[email protected]/query/query.ts?s=Query).
+extension QueryProps on Query {
+  /// [[email protected]/Query/result_type](https://deno.land/x/[email protected]/query/query.ts?s=Query#prop_result_type).
+  ResultType get resultType =>
+      ResultType.values[getProperty(this, 'result_type')];
+}

lib/src/query_object_result.dart

@@ -11,7 +11,7 @@ class QueryObjectResult<T> extends QueryResult {
   external List<String>? get columns;
 
   /// [[email protected]/QueryResult/constructor](https://deno.land/x/[email protected]/query/query.ts?s=QueryResult#ctor_0).
-  external factory QueryObjectResult(Query<dynamic> query);
+  external factory QueryObjectResult(Query query);
 }
 
 /// [[email protected]/QueryObjectResult](https://deno.land/x/[email protected]/query/query.ts?s=QueryObjectResult).

lib/src/query_result.dart

@@ -2,10 +2,14 @@ import 'dart:js_interop';
 import 'dart:js_util';
 
 import 'package:deno_postgres_interop/src/command_type.dart';
+import 'package:deno_postgres_interop/src/query.dart';
 
 /// [[email protected]/QueryResult](https://deno.land/x/[email protected]/query/query.ts?s=QueryResult).
 @JS()
-class QueryResult {}
+class QueryResult {
+  /// [[email protected]/QueryResult/constructor](https://deno.land/x/[email protected]/query/query.ts?s=QueryResult#ctor_0).
+  external Query get query;
+}
 
 /// [[email protected]/QueryResult](https://deno.land/x/[email protected]/query/query.ts?s=QueryResult).
 extension QueryResultProps on QueryResult {

lib/src/result_type.dart

@@ -0,0 +1,8 @@
+/// [[email protected]/ResultType](https://deno.land/x/[email protected]/query/query.ts?s=ResultType).
+enum ResultType {
+  /// array.
+  array,
+
+  /// object.
+  object;
+}