private void InitializeRegisteredRootComponents(WebAssemblyJSRuntimeInvoker jsRuntimeInvoker)
{
var componentsCount = jsRuntimeInvoker.InvokeUnmarshalled <object, object, object, int>(RegisteredComponentsInterop.GetRegisteredComponentsCount, null, null, null);
if (componentsCount == 0)
{
return;
}
var registeredComponents = new WebAssemblyComponentMarker[componentsCount];
for (var i = 0; i < componentsCount; i++)
{
var id = jsRuntimeInvoker.InvokeUnmarshalled <int, object, object, int>(RegisteredComponentsInterop.GetId, i, null, null);
var assembly = jsRuntimeInvoker.InvokeUnmarshalled <int, object, object, string>(RegisteredComponentsInterop.GetAssembly, id, null, null);
var typeName = jsRuntimeInvoker.InvokeUnmarshalled <int, object, object, string>(RegisteredComponentsInterop.GetTypeName, id, null, null);
var serializedParameterDefinitions = jsRuntimeInvoker.InvokeUnmarshalled <int, object, object, string>(RegisteredComponentsInterop.GetParameterDefinitions, id, null, null);
var serializedParameterValues = jsRuntimeInvoker.InvokeUnmarshalled <int, object, object, string>(RegisteredComponentsInterop.GetParameterValues, id, null, null);
registeredComponents[i] = new WebAssemblyComponentMarker(WebAssemblyComponentMarker.ClientMarkerType, assembly, typeName, serializedParameterDefinitions, serializedParameterValues, id.ToString());
}
var componentDeserializer = WebAssemblyComponentParameterDeserializer.Instance;
foreach (var registeredComponent in registeredComponents)
{
_rootComponentCache = new RootComponentTypeCache();
var componentType = _rootComponentCache.GetRootComponent(registeredComponent.Assembly, registeredComponent.TypeName);
var definitions = componentDeserializer.GetParameterDefinitions(registeredComponent.ParameterDefinitions);
var values = componentDeserializer.GetParameterValues(registeredComponent.ParameterValues);
var parameters = componentDeserializer.DeserializeParameters(definitions, values);
RootComponents.Add(componentType, registeredComponent.PrerenderId, parameters);
}
}
internal static void AppendEpilogue(ViewBuffer viewBuffer, WebAssemblyComponentMarker record)
{
var endRecord = JsonSerializer.Serialize(
record.GetEndRecord(),
WebAssemblyComponentSerializationSettings.JsonSerializationOptions);
viewBuffer.AppendHtml("<!--Blazor:");
viewBuffer.AppendHtml(endRecord);
viewBuffer.AppendHtml("-->");
}
internal static void AppendPreamble(ViewBuffer viewBuffer, WebAssemblyComponentMarker record)
{
var serializedStartRecord = JsonSerializer.Serialize(
record,
WebAssemblyComponentSerializationSettings.JsonSerializationOptions);
viewBuffer.AppendHtml("<!--Blazor:");
viewBuffer.AppendHtml(serializedStartRecord);
viewBuffer.AppendHtml("-->");
}
internal IEnumerable <string> GetPreamble(WebAssemblyComponentMarker record)
{
var serializedStartRecord = JsonSerializer.Serialize(
record,
WebAssemblyComponentSerializationSettings.JsonSerializationOptions);
if (record.PrerenderId != null)
{
return(PrerenderedStart(serializedStartRecord));
}
else
{
return(NonPrerenderedSequence(serializedStartRecord));
}
public static WebAssemblyComponentMarker SerializeInvocation(Type type, ParameterView parameters, bool prerendered)
{
var assembly = type.Assembly.GetName().Name;
var typeFullName = type.FullName;
var(definitions, values) = ComponentParameter.FromParameterView(parameters);
// We need to serialize and Base64 encode parameters separately since they can contain arbitrary data that might
// cause the HTML comment to be invalid (like if you serialize a string that contains two consecutive dashes "--").
var serializedDefinitions = Convert.ToBase64String(JsonSerializer.SerializeToUtf8Bytes(definitions, WebAssemblyComponentSerializationSettings.JsonSerializationOptions));
var serializedValues = Convert.ToBase64String(JsonSerializer.SerializeToUtf8Bytes(values, WebAssemblyComponentSerializationSettings.JsonSerializationOptions));
return(prerendered ? WebAssemblyComponentMarker.Prerendered(assembly, typeFullName, serializedDefinitions, serializedValues) :
WebAssemblyComponentMarker.NonPrerendered(assembly, typeFullName, serializedDefinitions, serializedValues));
}
private void InitializeRegisteredRootComponents(IJSUnmarshalledRuntime jsRuntime)
{
var componentsCount = jsRuntime.InvokeUnmarshalled <int>(RegisteredComponentsInterop.GetRegisteredComponentsCount);
if (componentsCount == 0)
{
return;
}
var registeredComponents = new WebAssemblyComponentMarker[componentsCount];
for (var i = 0; i < componentsCount; i++)
{
var id = jsRuntime.InvokeUnmarshalled <int, int>(RegisteredComponentsInterop.GetId, i);
var assembly = jsRuntime.InvokeUnmarshalled <int, string>(RegisteredComponentsInterop.GetAssembly, id);
var typeName = jsRuntime.InvokeUnmarshalled <int, string>(RegisteredComponentsInterop.GetTypeName, id);
var serializedParameterDefinitions = jsRuntime.InvokeUnmarshalled <int, object?, object?, string>(RegisteredComponentsInterop.GetParameterDefinitions, id, null, null);
var serializedParameterValues = jsRuntime.InvokeUnmarshalled <int, object?, object?, string>(RegisteredComponentsInterop.GetParameterValues, id, null, null);
registeredComponents[i] = new WebAssemblyComponentMarker(WebAssemblyComponentMarker.ClientMarkerType, assembly, typeName, serializedParameterDefinitions, serializedParameterValues, id.ToString(CultureInfo.InvariantCulture));
}
var componentDeserializer = WebAssemblyComponentParameterDeserializer.Instance;
foreach (var registeredComponent in registeredComponents)
{
_rootComponentCache = new RootComponentTypeCache();
var componentType = _rootComponentCache.GetRootComponent(registeredComponent.Assembly !, registeredComponent.TypeName !);
if (componentType is null)
{
throw new InvalidOperationException(
$"Root component type '{registeredComponent.TypeName}' could not be found in the assembly '{registeredComponent.Assembly}'. " +
$"This is likely a result of trimming (tree shaking).");
}
var definitions = componentDeserializer.GetParameterDefinitions(registeredComponent.ParameterDefinitions !);
var values = componentDeserializer.GetParameterValues(registeredComponent.ParameterValues !);
var parameters = componentDeserializer.DeserializeParameters(definitions, values);
RootComponents.Add(componentType, registeredComponent.PrerenderId !, parameters);
}
}
