Merge pull request #84 from powersync-ja/feat/support-build-web-compilers

Support being compiled with `build_web_compilers`

Author: simolus3

.github/workflows/test.yaml

@@ -68,3 +68,4 @@ jobs:
         run: |
           export LD_LIBRARY_PATH=$(pwd)/sqlite-autoconf-${{ matrix.sqlite_version }}/.libs
           melos test
+          melos test_build

melos.yaml

@@ -51,3 +51,11 @@ scripts:
     # as they could change the behaviour of how tests filter packages.
     env:
       MELOS_TEST: true
+  
+  test_build:
+    description: Runs tests with build_test
+    run: dart run build_runner test -- -p chrome
+    exec:
+      concurrency: 1
+    packageFilters:
+      dependsOn: build_test

packages/sqlite_async/CHANGELOG.md

@@ -1,3 +1,7 @@
+## 0.11.3
+
+- Support being compiled with `package:build_web_compilers`.
+
 ## 0.11.2
 
 - Support latest version of `package:sqlite3_web`.

packages/sqlite_async/lib/src/common/port_channel.dart

@@ -1,352 +1,2 @@
-import 'dart:async';
-import 'dart:collection';
-import 'dart:isolate';
-
-abstract class PortClient {
-  Future<T> post<T>(Object message);
-  void fire(Object message);
-
-  factory PortClient.parent() {
-    return ParentPortClient();
-  }
-
-  factory PortClient.child(SendPort upstream) {
-    return ChildPortClient(upstream);
-  }
-}
-
-class ParentPortClient implements PortClient {
-  late Future<SendPort> sendPortFuture;
-  SendPort? sendPort;
-  final ReceivePort _receivePort = ReceivePort();
-  final ReceivePort _errorPort = ReceivePort();
-  bool closed = false;
-  Object? _closeError;
-  String? _isolateDebugName;
-  int _nextId = 1;
-
-  Map<int, Completer<Object?>> handlers = HashMap();
-
-  ParentPortClient() {
-    final initCompleter = Completer<SendPort>.sync();
-    sendPortFuture = initCompleter.future;
-    sendPortFuture.then((value) {
-      sendPort = value;
-    });
-    _receivePort.listen((message) {
-      if (message is _InitMessage) {
-        assert(!initCompleter.isCompleted);
-        initCompleter.complete(message.port);
-      } else if (message is _PortChannelResult) {
-        final handler = handlers.remove(message.requestId);
-        assert(handler != null);
-        if (message.success) {
-          handler!.complete(message.result);
-        } else {
-          handler!.completeError(message.error, message.stackTrace);
-        }
-      } else if (message == _closeMessage) {
-        close();
-      }
-    }, onError: (e) {
-      if (!initCompleter.isCompleted) {
-        initCompleter.completeError(e);
-      }
-
-      close();
-    }, onDone: () {
-      if (!initCompleter.isCompleted) {
-        initCompleter.completeError(ClosedException());
-      }
-      close();
-    });
-    _errorPort.listen((message) {
-      final [error, stackTraceString] = message;
-      final stackTrace = stackTraceString == null
-          ? null
-          : StackTrace.fromString(stackTraceString);
-      if (!initCompleter.isCompleted) {
-        initCompleter.completeError(error, stackTrace);
-      }
-      _close(IsolateError(cause: error, isolateDebugName: _isolateDebugName),
-          stackTrace);
-    });
-  }
-
-  Future<void> get ready async {
-    await sendPortFuture;
-  }
-
-  void _cancelAll(Object error, [StackTrace? stackTrace]) {
-    var handlers = this.handlers;
-    this.handlers = {};
-    for (var message in handlers.values) {
-      message.completeError(error, stackTrace);
-    }
-  }
-
-  @override
-  Future<T> post<T>(Object message) async {
-    if (closed) {
-      throw _closeError ?? const ClosedException();
-    }
-    var completer = Completer<T>.sync();
-    var id = _nextId++;
-    handlers[id] = completer;
-    final port = sendPort ?? await sendPortFuture;
-    port.send(_RequestMessage(id, message, null));
-    return await completer.future;
-  }
-
-  @override
-  void fire(Object message) async {
-    if (closed) {
-      throw _closeError ?? ClosedException();
-    }
-    final port = sendPort ?? await sendPortFuture;
-    port.send(_FireMessage(message));
-  }
-
-  RequestPortServer server() {
-    return RequestPortServer(_receivePort.sendPort);
-  }
-
-  void _close([Object? error, StackTrace? stackTrace]) {
-    if (!closed) {
-      closed = true;
-
-      _receivePort.close();
-      _errorPort.close();
-      if (error == null) {
-        _cancelAll(const ClosedException());
-      } else {
-        _closeError = error;
-        _cancelAll(error, stackTrace);
-      }
-    }
-  }
-
-  void close() {
-    _close();
-  }
-
-  tieToIsolate(Isolate isolate) {
-    _isolateDebugName = isolate.debugName;
-    isolate.addErrorListener(_errorPort.sendPort);
-    isolate.addOnExitListener(_receivePort.sendPort, response: _closeMessage);
-  }
-}
-
-class SerializedPortClient {
-  final SendPort sendPort;
-
-  SerializedPortClient(this.sendPort);
-
-  ChildPortClient open() {
-    return ChildPortClient(sendPort);
-  }
-}
-
-class ChildPortClient implements PortClient {
-  final SendPort sendPort;
-  final ReceivePort receivePort = ReceivePort();
-  int _nextId = 1;
-  bool closed = false;
-
-  final Map<int, Completer<Object?>> handlers = HashMap();
-
-  ChildPortClient(this.sendPort) {
-    receivePort.listen((message) {
-      if (message is _PortChannelResult) {
-        final handler = handlers.remove(message.requestId);
-        assert(handler != null);
-        if (message.success) {
-          handler!.complete(message.result);
-        } else {
-          handler!.completeError(message.error, message.stackTrace);
-        }
-      }
-    });
-  }
-
-  @override
-  Future<T> post<T>(Object message) async {
-    if (closed) {
-      throw const ClosedException();
-    }
-    var completer = Completer<T>.sync();
-    var id = _nextId++;
-    handlers[id] = completer;
-    sendPort.send(_RequestMessage(id, message, receivePort.sendPort));
-    return await completer.future;
-  }
-
-  @override
-  void fire(Object message) {
-    if (closed) {
-      throw ClosedException();
-    }
-    sendPort.send(_FireMessage(message));
-  }
-
-  void _cancelAll(Object error) {
-    var handlers = HashMap<int, Completer<Object?>>.from(this.handlers);
-    this.handlers.clear();
-    for (var message in handlers.values) {
-      message.completeError(error);
-    }
-  }
-
-  void close() {
-    closed = true;
-    _cancelAll(const ClosedException());
-    receivePort.close();
-  }
-}
-
-class RequestPortServer {
-  final SendPort port;
-
-  RequestPortServer(this.port);
-
-  open(Future<Object?> Function(Object? message) handle) {
-    return PortServer.forSendPort(port, handle);
-  }
-}
-
-class PortServer {
-  final ReceivePort _receivePort = ReceivePort();
-  final Future<Object?> Function(Object? message) handle;
-  final SendPort? replyPort;
-
-  PortServer(this.handle) : replyPort = null {
-    _init();
-  }
-
-  PortServer.forSendPort(SendPort port, this.handle) : replyPort = port {
-    port.send(_InitMessage(_receivePort.sendPort));
-    _init();
-  }
-
-  SendPort get sendPort {
-    return _receivePort.sendPort;
-  }
-
-  SerializedPortClient client() {
-    return SerializedPortClient(sendPort);
-  }
-
-  void close() {
-    _receivePort.close();
-  }
-
-  void _init() {
-    _receivePort.listen((request) async {
-      if (request is _FireMessage) {
-        handle(request.message);
-      } else if (request is _RequestMessage) {
-        if (request.id == 0) {
-          // Fire and forget
-          handle(request.message);
-        } else {
-          final replyPort = request.reply ?? this.replyPort;
-          try {
-            var result = await handle(request.message);
-            replyPort!.send(_PortChannelResult.success(request.id, result));
-          } catch (e, stacktrace) {
-            replyPort!
-                .send(_PortChannelResult.error(request.id, e, stacktrace));
-          }
-        }
-      }
-    });
-  }
-}
-
-const _closeMessage = '_Close';
-
-class _InitMessage {
-  final SendPort port;
-
-  _InitMessage(this.port);
-}
-
-class _FireMessage {
-  final Object message;
-
-  const _FireMessage(this.message);
-}
-
-class _RequestMessage {
-  final int id;
-  final Object message;
-  final SendPort? reply;
-
-  _RequestMessage(this.id, this.message, this.reply);
-}
-
-class ClosedException implements Exception {
-  const ClosedException();
-
-  @override
-  String toString() {
-    return 'ClosedException';
-  }
-}
-
-class IsolateError extends Error {
-  final Object cause;
-  final String? isolateDebugName;
-
-  IsolateError({required this.cause, this.isolateDebugName});
-
-  @override
-  String toString() {
-    if (isolateDebugName != null) {
-      return 'IsolateError in $isolateDebugName: $cause';
-    } else {
-      return 'IsolateError: $cause';
-    }
-  }
-}
-
-class _PortChannelResult<T> {
-  final int requestId;
-  final bool success;
-  final T? _result;
-  final Object? _error;
-  final StackTrace? stackTrace;
-
-  const _PortChannelResult.success(this.requestId, T result)
-      : success = true,
-        _error = null,
-        stackTrace = null,
-        _result = result;
-  const _PortChannelResult.error(this.requestId, Object error,
-      [this.stackTrace])
-      : success = false,
-        _result = null,
-        _error = error;
-
-  T get value {
-    if (success) {
-      return _result as T;
-    } else {
-      if (_error != null && stackTrace != null) {
-        Error.throwWithStackTrace(_error, stackTrace!);
-      } else {
-        throw _error!;
-      }
-    }
-  }
-
-  T get result {
-    assert(success);
-    return _result as T;
-  }
-
-  Object get error {
-    assert(!success);
-    return _error!;
-  }
-}
+export 'port_channel_native.dart'
+    if (dart.library.js_interop) 'port_channel_stub.dart';