Use BytesBuilder

CHANGELOG.md

@@ -1,3 +1,7 @@
+## 1.1.0
+
+- Return `Uint8List` and use `BytesBuilder` on the web, fixing [#3](https://github.com/mosuem/gzip/issues/3).
+
 ## 1.0.0
 
 - Upgrade SDK version and make WASM-ready.

lib/src/gzip_io.dart

@@ -6,9 +6,9 @@ import 'dart:io';
 import 'dart:typed_data';
 
 class GZip {
-  Future<List<int>> compress(Uint8List data) async =>
-      gzip.encoder.convert(data);
+  Future<Uint8List> compress(Uint8List data) async =>
+      gzip.encoder.convert(data) as Uint8List;
 
-  Future<List<int>> decompress(Uint8List data) async =>
-      gzip.decoder.convert(data);
+  Future<Uint8List> decompress(Uint8List data) async =>
+      gzip.decoder.convert(data) as Uint8List;
 }

lib/src/gzip_mock.dart

@@ -11,10 +11,10 @@ import 'dart:typed_data';
 /// browsers.
 class GZip {
   /// Compress the [data] using gzip compression.
-  Future<List<int>> compress(Uint8List data) async =>
+  Future<Uint8List> compress(Uint8List data) async =>
       throw UnimplementedError();
 
   /// Decode the gzip-compressed [data].
-  Future<List<int>> decompress(Uint8List data) async =>
+  Future<Uint8List> decompress(Uint8List data) async =>
       throw UnimplementedError();
 }

lib/src/gzip_web.dart

@@ -8,7 +8,7 @@ import 'dart:typed_data';
 import 'package:web/web.dart';
 
 class GZip {
-  Future<List<int>> compress(Uint8List data) async {
+  Future<Uint8List> compress(Uint8List data) async {
     final compressionStream = CompressionStream('gzip');
     final reader =
         _blob(data)
@@ -24,7 +24,7 @@ class GZip {
     return await _readUntilDone(reader);
   }
 
-  Future<List<int>> decompress(Uint8List data) async {
+  Future<Uint8List> decompress(Uint8List data) async {
     final decompressionStream = DecompressionStream('gzip');
     final reader =
         _blob(data)
@@ -40,18 +40,21 @@ class GZip {
     return await _readUntilDone(reader);
   }
 
-  Future<List<int>> _readUntilDone(ReadableStreamDefaultReader reader) async {
-    final values = <int>[];
+  Future<Uint8List> _readUntilDone(ReadableStreamDefaultReader reader) async {
+    final builder = BytesBuilder(copy: false);
+
     var isDone = false;
     while (!isDone) {
       final readChunk = await reader.read().toDart;
-      if (readChunk.value != null) {
-        final value = readChunk.value as JSUint8Array;
-        values.addAll(value.toDart);
+      final uint8Array = readChunk.value as JSUint8Array?;
+
+      if (uint8Array != null) {
+        builder.add(uint8Array.toDart);
       }
       isDone = readChunk.done;
     }
-    return values;
+
+    return builder.takeBytes();
   }
 
   Blob _blob(Uint8List data) =>

pubspec.yaml

@@ -1,14 +1,14 @@
 name: gzip
 description: A lightweight package for gzip compression.
-version: 1.0.0
+version: 1.1.0
 repository: https://github.com/mosuem/gzip
 
 environment:
   sdk: ^3.9.0
 
 dependencies:
-  web: ^1.1.0
+  web: ^1.1.1
 
 dev_dependencies:
   dart_flutter_team_lints: ^3.5.2
-  test: ^1.24.0
+  test: ^1.31.0