fix: missing callbacks

application/source/data/datasource/restapi.mjs

@@ -88,6 +88,10 @@ class RestAPI extends Datasource {
                     transformer: undefined,
                     callbacks: []
                 },
+                sheathing: {
+                    object: undefined,
+                    path: undefined,
+                },
                 report: {
                     path: undefined
                 }
@@ -149,6 +153,11 @@ class RestAPI extends Datasource {
             let transformation = self.getOption('read.mapping.transformer');
             if (transformation !== undefined) {
                 const pipe = new Pipe(transformation);
+
+                for (const callback of self.getOption('read.mapping.callbacks')) {
+                    pipe.setCallback(callback.constructor.name, callback);
+                }                
+                
                 obj = pipe.run(obj);
             }
 
@@ -177,6 +186,11 @@ class RestAPI extends Datasource {
         let transformation = self.getOption('write.mapping.transformer');
         if (transformation !== undefined) {
             const pipe = new Pipe(transformation);
+
+            for (const callback of self.getOption('write.mapping.callbacks')) {
+                pipe.setCallback(callback.constructor.name, callback);
+            }
+            
             obj = pipe.run(obj);
         }