Initial project import

2026-07-24 23:11:20 +08:00
commit 6396eabb87
372 changed files with 49682 additions and 0 deletions
@@ -0,0 +1,22 @@
+class SseFrameAccumulator {
+  String _pending = '';
+
+  List<String> add(String chunk) {
+    _pending = (_pending + chunk).replaceAll('\r\n', '\n');
+    final frames = <String>[];
+    var separator = _pending.indexOf('\n\n');
+    while (separator >= 0) {
+      final frame = _pending.substring(0, separator);
+      _pending = _pending.substring(separator + 2);
+      if (frame.trim().isNotEmpty) frames.add(frame);
+      separator = _pending.indexOf('\n\n');
+    }
+    return frames;
+  }
+
+  List<String> close() {
+    final trailing = _pending.trim();
+    _pending = '';
+    return trailing.isEmpty ? const [] : [trailing];
+  }
+}