// Internal for testing.
internal async Task RunAsyncCore(CancellationToken cancellationToken, WebAssemblyCultureProvider?cultureProvider = null)
{
if (_started)
{
throw new InvalidOperationException("The host has already started.");
}
_started = true;
cultureProvider ??= WebAssemblyCultureProvider.Instance !;
cultureProvider.ThrowIfCultureChangeIsUnsupported();
// Application developers might have configured the culture based on some ambient state
// such as local storage, url etc as part of their Program.Main(Async).
// This is the earliest opportunity to fetch satellite assemblies for this selection.
await cultureProvider.LoadCurrentCultureResourcesAsync();
var manager = Services.GetRequiredService <ComponentStatePersistenceManager>();
var store = !string.IsNullOrEmpty(_persistedState) ?
new PrerenderComponentApplicationStore(_persistedState) :
new PrerenderComponentApplicationStore();
await manager.RestoreStateAsync(store);
if (MetadataUpdater.IsSupported)
{
await WebAssemblyHotReload.InitializeAsync();
}
var tcs = new TaskCompletionSource();
using (cancellationToken.Register(() => tcs.TrySetResult()))
{
var loggerFactory = Services.GetRequiredService <ILoggerFactory>();
var jsComponentInterop = new JSComponentInterop(_rootComponents.JSComponents);
_renderer = new WebAssemblyRenderer(Services, loggerFactory, jsComponentInterop);
WebAssemblyNavigationManager.Instance.CreateLogger(loggerFactory);
var initializationTcs = new TaskCompletionSource();
WebAssemblyCallQueue.Schedule((_rootComponents, _renderer, initializationTcs), static async state =>
private Task?InitializeHotReloadAsync()
{
// In Development scenarios, wait for hot reload to apply deltas before initiating rendering.
return(WebAssemblyHotReload.InitializeAsync());
}