protected virtual Expression TranslateAssignmentExpression(E.AssignmentExpression expression)
{
if (expression.CompoundOperator == E.BinaryOperator.Add)
{
var array = expression.Target.LogicalOrWith(expression.Target.AssignedBy(new E.ArrayExpression()));
return(new E.ConditionalExpression()
{
Condition = expression.Value,
TruePart = expression.Target.AssignedBy(array.Property("concat").Call(expression.Target)),
FalsePart = ExpressionBuilder.Undefined()
});
}
else
{
var f = new E.FunctionExpression();
var ifb = new S.IfStatement();
ifb.Condition = expression.Target.LogicalAndWith(expression.Value);
var inner = new S.IfStatement();
inner.Condition = expression.Value.IsArray();
inner.TruePart.Add(
expression.Target.AssignedBy(expression.Target.Property("filter").Call(
new E.ArrowFunctionExpression(
new D.Parameter("e"),
expression.Value.Property("indexOf").Call(new E.IdentifierExpression("e")).IsLessThan(new E.NumberExpression(0)))
)
)
);
inner.FalsePart.Add(
expression.Target.Property("filter").Call(
new E.ArrowFunctionExpression(
new D.Parameter("e"),
new E.IdentifierExpression("e").IsStrictNotEqualTo(expression.Value)
)
)
);
ifb.TruePart.Add(inner);
f.Statements.Add(ifb);
return(f.Call());
}
}
protected virtual Expression TranslateInvocationExpression(E.CallExpression callExpression)
{
var f = new E.FunctionExpression();
var l = new S.VariableDeclaration();
l.Type = S.VariableDeclarationType.Let;
l.Bindings.Add(new S.VariableBinding()
{
Variable = new E.IdentifierExpression("h")
});
f.Statements.Add(l);
var ifb = new S.IfStatement();
ifb.Condition = callExpression.Target;
var inner = new S.IfStatement();
inner.Condition = callExpression.Target.IsArray();
inner.TruePart.Add(
callExpression.Target.Property("forEach").Call(
new E.ArrowFunctionExpression(
new D.Parameter("e"),
new E.IdentifierExpression("h").AssignedBy(new E.IdentifierExpression("e").Call(callExpression.Parameters))
)
)
);
inner.TruePart.Add(new E.IdentifierExpression("h").ToReturn());
inner.FalsePart.Add(callExpression.ToReturn());
ifb.TruePart.Add(inner);
f.Statements.Add(ifb);
return(f.Call());
}