veilid/veilid-flutter/lib/veilid_js.dart

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import 'veilid.dart';
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import 'dart:html' as html;
import 'dart:js' as js;
import 'dart:js_util' as js_util;
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import 'dart:async';
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import 'dart:convert';
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//////////////////////////////////////////////////////////
Veilid getVeilid() => VeilidJS();
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Object wasm = js_util.getProperty(html.window, "veilid_wasm");
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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))));
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}
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class VeilidJS implements Veilid {
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@override
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Stream<VeilidUpdate> startupVeilidCore(VeilidConfig config) async* {
var streamController = StreamController<VeilidUpdate>();
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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)
]));
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yield* streamController.stream;
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}
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@override
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Future<VeilidState> getVeilidState() async {
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return VeilidState.fromJson(jsonDecode(await _wrapApiPromise(
js_util.callMethod(wasm, "get_veilid_state", []))));
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}
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@override
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Future<void> changeLogLevel(VeilidConfigLogLevel logLevel) {
return _wrapApiPromise(js_util.callMethod(wasm, "change_log_level",
[jsonEncode(logLevel.json, toEncodable: veilidApiToEncodable)]));
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}
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@override
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Future<void> shutdownVeilidCore() {
return _wrapApiPromise(
js_util.callMethod(wasm, "shutdown_veilid_core", []));
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}
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@override
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Future<String> debug(String command) {
return _wrapApiPromise(js_util.callMethod(wasm, "debug", [command]));
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}
@override
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String veilidVersionString() {
return js_util.callMethod(wasm, "veilid_version_string", []);
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}
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@override
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VeilidVersion veilidVersion() {
var jsonVersion =
jsonDecode(js_util.callMethod(wasm, "veilid_version", []));
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return VeilidVersion(
jsonVersion["major"], jsonVersion["minor"], jsonVersion["patch"]);
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}
}