haxe 4.2+ fix

haxelib.json

@@ -9,8 +9,8 @@
 	"contributors": [
 		"back2dos"
 	],
-	"version": "0.21.0",
+	"version": "0.21.1",
-	"releasenote": "Expose autocompletion contents. Work around compiler metadata completion issues.",
+	"releasenote": "Fix issue with build field retrieval.",
 	"tags": [
 		"tink",
 		"macro",

src/tink/macro/ClassBuilder.hx

@@ -23,9 +23,9 @@ class ClassBuilder {
       target = Context.getLocalClass().get();
 
     if (fields == null)
-      switch MacroApi.getBuildFields() {
+      fields = switch MacroApi.getBuildFields() {
         case None: target.pos.error('Impossible to get builds fields now. Possible cause: https://github.com/HaxeFoundation/haxe/issues/9853');
-        case Some(_):
+        case Some(v): v;
       }
 
     this.initializeFrom = fields;

src/tink/macro/Types.hx

@@ -172,6 +172,9 @@ class Types {
                 #if haxe4
                 isExtern: field.isExtern,
                 isFinal: field.isFinal,
+                #if (haxe >= version("4.2.0-rc.1"))
+                isAbstract: field.isAbstract,
+                #end
                 #end
               }:ClassField)
             ]);