veilid/veilid-flutter/lib/veilid_js.dart
2022-06-07 21:31:05 -04:00

78 lines
2.2 KiB
Dart

import 'veilid.dart';
import 'dart:html' as html;
import 'dart:js' as js;
import 'dart:js_util' as js_util;
import 'dart:async';
import 'dart:convert';
//////////////////////////////////////////////////////////
Veilid getVeilid() => VeilidJS();
Object wasm = js_util.getProperty(html.window, "veilid_wasm");
Future<T> _wrapApiPromise<T>(Object p) {
return js_util.promiseToFuture(p).then((value) => value as T).catchError(
(error) => Future<T>.error(
VeilidAPIException.fromJson(jsonDecode(error as String))));
}
class VeilidJS implements Veilid {
@override
Stream<VeilidUpdate> startupVeilidCore(VeilidConfig config) async* {
var streamController = StreamController<VeilidUpdate>();
updateCallback(String update) {
var updateJson = jsonDecode(update);
if (updateJson["kind"] == "Shutdown") {
streamController.close();
} else {
var update = VeilidUpdate.fromJson(updateJson);
streamController.add(update);
}
}
await _wrapApiPromise(js_util.callMethod(wasm, "startup_veilid_core", [
js.allowInterop(updateCallback),
jsonEncode(config.json, toEncodable: veilidApiToEncodable)
]));
yield* streamController.stream;
}
@override
Future<VeilidState> getVeilidState() async {
return VeilidState.fromJson(jsonDecode(await _wrapApiPromise(
js_util.callMethod(wasm, "get_veilid_state", []))));
}
@override
Future<void> changeApiLogLevel(VeilidConfigLogLevel logLevel) {
return _wrapApiPromise(js_util.callMethod(wasm, "change_api_log_level",
[jsonEncode(logLevel.json, toEncodable: veilidApiToEncodable)]));
}
@override
Future<void> shutdownVeilidCore() {
return _wrapApiPromise(
js_util.callMethod(wasm, "shutdown_veilid_core", []));
}
@override
Future<String> debug(String command) {
return _wrapApiPromise(js_util.callMethod(wasm, "debug", [command]));
}
@override
String veilidVersionString() {
return js_util.callMethod(wasm, "veilid_version_string", []);
}
@override
VeilidVersion veilidVersion() {
var jsonVersion =
jsonDecode(js_util.callMethod(wasm, "veilid_version", []));
return VeilidVersion(
jsonVersion["major"], jsonVersion["minor"], jsonVersion["patch"]);
}
}