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README.md
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-# SkipNamesTypeInfoResolver
\ No newline at end of file
+# SkipNamesTypeInfoResolver
+
+Emulates jsonigonore on anonymous types (sort of)
+
+```c#
+var forbidden = new[] { "title", "usage", "type", "icon", "options", "default" };
+var json = JsonSerializer.Serialize(vm, new JsonSerializerOptions()
+{
+ DefaultIgnoreCondition = JsonIgnoreCondition.WhenWritingNull,
+ WriteIndented = true,
+ TypeInfoResolver = new DefaultJsonTypeInfoResolver().WithAddedModifier(typeInfo =>
+ {
+ foreach (JsonPropertyInfo propertyInfo in typeInfo.Properties)
+ {
+ if (Array.IndexOf(forbidden, propertyInfo.Name) >= 0)
+ {
+ propertyInfo.ShouldSerialize = (obj, val) => false;
+ }
+ else
+ {
+ propertyInfo.ShouldSerialize = (obj, val) =>
+ {
+ if(val is IList<object>)
+ {
+ if ((val as IList<object>).Count == 0)
+ return false;
+ else
+ return true;
+ }
+ if(val is string)
+ {
+ if ((val as string).Length == 0)
+ return false;
+ else
+ return true;
+ }
+
+ // get all the Anonymous types
+
+ var t = val.GetType();
+ var tn = t.Name;
+
+ if (!tn.Contains("Anonymous"))
+ throw new Exception("Oops");
+
+ var ps = t.GetProperties();
+
+ foreach(var p in ps)
+ {
+ if (Array.IndexOf(forbidden, p.Name) < 0)
+ return true;
+ }
+ return false;
+ };
+ }
+ }
+ })
+});
+
+```