Fix #875 - ProjectToType regression in v10

src/Mapster.Core/Utils/ProjectToTypeVisitors.cs

@@ -5,18 +5,18 @@
 {
     public sealed class TopLevelMemberNameVisitor : ExpressionVisitor
     {
-        public string? MemeberName { get; private set; }
+        public string? MemberName { get; private set; }
 
         public override Expression Visit(Expression node)
         {
             if (node == null)
                 return null;
             switch (node.NodeType)
             {
                 case ExpressionType.MemberAccess:
                     {
-                        if (string.IsNullOrEmpty(MemeberName))
-                            MemeberName = ((MemberExpression)node).Member.Name;
+                        if (string.IsNullOrEmpty(MemberName))
+                            MemberName = ((MemberExpression)node).Member.Name;
 
                         return base.Visit(node);
                     }
@@ -33,7 +33,7 @@
         public override Expression Visit(Expression node)
         {
             if (node == null)
                 return null;
             switch (node.NodeType)
             {
                 case ExpressionType.Quote:

src/Mapster.EFCore.Tests/EFCoreTest.cs

@@ -117,6 +117,37 @@ public void MergeIncludeWhenUsingEFCoreProjectToType()
             first.Enrollments.Count.ShouldBe(1);
             first.LastName.ShouldBe("Alexander");
         }
+
+        /// <summary>
+        /// https://github.com/MapsterMapper/Mapster/issues/875
+        /// </summary>
+        [TestMethod]
+        public void NotMemberNameEFCoreProjectToType_not_Error()
+        {
+            var options = new DbContextOptionsBuilder<SchoolContext>()
+                .UseInMemoryDatabase(Guid.NewGuid().ToString("N"))
+                .Options;
+            var context = new SchoolContext(options);
+            DbInitializer.Initialize(context);
+
+            var config = new TypeAdapterConfig();
+
+                config
+                    .NewConfig<Student, StudentDto>()
+                    .Map(dest => dest.LastName, src => src.GetLastName());
+
+            Should.NotThrow(() =>
+            {
+                var query = context.Students
+               .Include(x => x.Enrollments.OrderByDescending(x => x.StudentID).Take(1))
+               .EFCoreProjectToType<StudentDto>(config);
+            });
+
+        }
+
+
+
+
     }
 
     public class StudentDto

src/Mapster.EFCore.Tests/Models/Student.cs

@@ -11,5 +11,6 @@ public class Student
         public DateTime EnrollmentDate { get; set; }
 
         public ICollection<Enrollment> Enrollments { get; set; }
+        public string GetLastName () { return LastName; }
     }
 }

src/Mapster.EFCore/EFCoreExtensions.cs

@@ -82,7 +82,7 @@ public override Expression Visit(Expression node)
                                 var memberv = new TopLevelMemberNameVisitor();
                                 memberv.Visit(item);
 
-                                IncludeExpression.TryAdd(memberv.MemeberName, item);
+                                IncludeExpression.TryAdd(memberv.MemberName, item);
                             }
                         }
                         return base.Visit(node);

src/Mapster/Adapters/BaseClassAdapter.cs

@@ -15,7 +15,7 @@
 
         #region Build the Adapter Model
 
         protected ClassMapping CreateClassConverter(Expression source, ClassModel classModel, CompileArgument arg, Expression? destination = null, bool ctorMapping = false, ClassModel recordRestorMemberModel = null)
         {
             var destinationMembers = classModel.Members;
             var unmappedDestinationMembers = new List<string>();
@@ -50,7 +50,7 @@
 
                     s.Visit(getter);
 
-                    if (arg.Settings.ProjectToTypeResolvers.TryGetValue(s.MemeberName, out var match))
+                    if (s.MemberName != null && arg.Settings.ProjectToTypeResolvers.TryGetValue(s.MemberName, out var match))
                     {
                         arg.Settings.Resolvers.Add(new InvokerModel
                         {
@@ -202,7 +202,7 @@
                    && ignore.Condition == null;
         }
 
         protected Expression CreateInstantiationExpression(Expression source, ClassMapping classConverter, CompileArgument arg, Expression? destination, ClassModel recordRestorParamModel = null)
         {
             var members = classConverter.Members;