blob: 24c890e2a3dc977e3c98ec89b7ee05fb3ba15dac [file] [log] [blame]
// Copyright (c) 2021, the Dart project authors. Please see the AUTHORS file
// for details. All rights reserved. Use of this source code is governed by a
// BSD-style license that can be found in the LICENSE file.
// @dart = 2.7
import 'dart:convert';
import 'dart:isolate';
import 'package:compiler/src/deferred_load/program_split_constraints/nodes.dart';
typedef ImportsProcessor = List<Node> Function(List<String>);
/// A helper function which waits for a list of deferred imports, and then
/// invokes the supplied [processFunc]. The list of nodes returned from
/// [processFunc] will then be serialized as json and sent back over the
/// supplied [sendPort].
void waitForImportsAndInvoke(
SendPort sendPort, ImportsProcessor importsProcessor) async {
ReceivePort receivePort = ReceivePort();
var msg = await receivePort.first;
assert(msg is List<String>);
var constraints = importsProcessor(msg);
sendPort.send(JsonEncoder.withIndent(' ').convert(constraints));