public string CompileBinding(string expression, Type[] contexts, Type expectedType)
{
var configuration = DotvvmTestHelper.CreateConfiguration();
configuration.RegisterApiClient(typeof(TestApiClient), "http://server/api", "./apiscript.js", "_api");
configuration.Markup.ImportedNamespaces.Add(new NamespaceImport("DotVVM.Framework.Tests.Binding"));
var context = DataContextStack.Create(contexts.FirstOrDefault() ?? typeof(object), extensionParameters: new BindingExtensionParameter[] {
new BindingPageInfoExtensionParameter(),
}.Concat(configuration.Markup.DefaultExtensionParameters).ToArray());
for (int i = 1; i < contexts.Length; i++)
{
context = DataContextStack.Create(contexts[i], context);
}
var parser = new BindingExpressionBuilder();
var expressionTree = parser.ParseWithLambdaConversion(expression, context, BindingParserOptions.Create <ValueBindingExpression>(), expectedType);
var jsExpression =
configuration.ServiceProvider.GetRequiredService <StaticCommandBindingCompiler>().CompileToJavascript(context, expressionTree);
return(KnockoutHelper.GenerateClientPostBackScript(
"",
new FakeCommandBinding(BindingPropertyResolvers.FormatJavascript(jsExpression, nullChecks: false), null),
new Literal(),
new PostbackScriptOptions(
allowPostbackHandlers: false,
returnValue: null,
commandArgs: CodeParameterAssignment.FromIdentifier("commandArguments")
)));
}
public string CompileBinding(string expression, Type[] contexts, Type expectedType)
{
var context = DataContextStack.Create(contexts.FirstOrDefault() ?? typeof(object), extensionParameters: new BindingExtensionParameter[]{
new BindingPageInfoExtensionParameter(),
}.Concat(configuration.Markup.DefaultExtensionParameters).ToArray());
for (int i = 1; i < contexts.Length; i++)
{
context = DataContextStack.Create(contexts[i], context);
}
var parser = new BindingExpressionBuilder();
var parsedExpression = parser.ParseWithLambdaConversion(expression, context, BindingParserOptions.Create<ValueBindingExpression>(), expectedType);
var expressionTree =
TypeConversion.MagicLambdaConversion(parsedExpression, expectedType) ??
TypeConversion.ImplicitConversion(parsedExpression, expectedType, true, true);
var jsExpression = new JsParenthesizedExpression(configuration.ServiceProvider.GetRequiredService<JavascriptTranslator>().CompileToJavascript(expressionTree, context));
jsExpression.AcceptVisitor(new KnockoutObservableHandlingVisitor(true));
JsTemporaryVariableResolver.ResolveVariables(jsExpression);
return JavascriptTranslator.FormatKnockoutScript(jsExpression.Expression);
}
