🐛 fix list parsing behavior

Author: techouse

lib/src/qs.dart

@@ -37,9 +37,16 @@ final class QS {
       return <String, dynamic>{};
     }
 
-    Map<String, dynamic>? tempObj = input is String
+    final Map<String, dynamic>? tempObj = input is String
         ? _$Decode._parseQueryStringValues(input, options)
         : input;
+
+    if (options.parseLists &&
+        options.listLimit > 0 &&
+        (tempObj?.length ?? 0) > options.listLimit) {
+      options = options.copyWith(parseLists: false);
+    }
+
     Map<String, dynamic> obj = {};
 
     // Iterate over the keys and setup the new object

lib/src/utils.dart

@@ -42,7 +42,8 @@ final class Utils {
             target_[target_.length] = source;
           }
 
-          target = target_.values.any((el) => el is Undefined)
+          target = options?.parseLists == false &&
+                  target_.values.any((el) => el is Undefined)
               ? SplayTreeMap.from({
                   for (final MapEntry<int, dynamic> entry in target_.entries)
                     if (entry.value is! Undefined) entry.key: entry.value,

test/unit/decode_test.dart

@@ -505,7 +505,7 @@ void main() {
       expect(
         QS.decode('a[1]=b&a=c', const DecodeOptions(listLimit: 20)),
         equals({
-          'a': {1: 'b', 2: 'c'}
+          'a': ['b', 'c']
         }),
       );
       expect(
@@ -600,6 +600,30 @@ void main() {
           'a': ['c']
         }),
       );
+      expect(
+        QS.decode('a[0]=b&a[2]=c', const DecodeOptions(parseLists: false)),
+        equals({
+          'a': {'0': 'b', '2': 'c'}
+        }),
+      );
+      expect(
+        QS.decode('a[0]=b&a[2]=c', const DecodeOptions(parseLists: true)),
+        equals({
+          'a': ['b', 'c'],
+        }),
+      );
+      expect(
+        QS.decode('a[1]=b&a[15]=c', const DecodeOptions(parseLists: false)),
+        equals({
+          'a': {'1': 'b', '15': 'c'}
+        }),
+      );
+      expect(
+        QS.decode('a[1]=b&a[15]=c', const DecodeOptions(parseLists: true)),
+        equals({
+          'a': ['b', 'c']
+        }),
+      );
     });
 
     test('limits specific list indices to listLimit', () {
@@ -922,7 +946,7 @@ void main() {
       expect(
         QS.decode('a[10]=1&a[2]=2', const DecodeOptions(listLimit: 20)),
         equals({
-          'a': {2: '2', 10: '1'}
+          'a': ['2', '1']
         }),
       );
       expect(

test/unit/uri_extension_test.dart

@@ -439,7 +439,7 @@ void main() {
         Uri.parse('$testUrl?a[1]=b&a=c')
             .queryParametersQs(const DecodeOptions(listLimit: 20)),
         equals({
-          'a': {1: 'b', 2: 'c'}
+          'a': ['b', 'c']
         }),
       );
       expect(
@@ -864,7 +864,7 @@ void main() {
         Uri.parse('$testUrl?a[10]=1&a[2]=2')
             .queryParametersQs(const DecodeOptions(listLimit: 20)),
         equals({
-          'a': {2: '2', 10: '1'}
+          'a': ['2', '1']
         }),
       );
       expect(