set discriminators types before other types than enums

Author: rcatoio

src/code-gen-process.ts

@@ -127,6 +127,9 @@ export class CodeGenProcess {
       }),
     );
 
+    //set all discriminators at the top
+    this.schemaComponentsMap.discriminatorsFirst();
+    // put all enums at the top (before discriminators)
     this.schemaComponentsMap.enumsFirst();
 
     const componentsToParse: SchemaComponent[] =

src/schema-components-map.ts

@@ -77,4 +77,13 @@ export class SchemaComponentsMap {
       return 0;
     });
   }
+  
+  // Ensure discriminators are at the top of components list
+  discriminatorsFirst() {
+    this._data.sort((a, b) => {
+      if (Object.keys(a.rawTypeData || {}).includes("discriminator")) return -1;
+      if (Object.keys(b.rawTypeData || {}).includes("discriminator")) return 1;
+      return 0;
+    });
+  }
 }