refactor: Resource properties

packages/resource/index.js

@@ -1,6 +1,15 @@
 import uuid from 'uuid/v4';
 
-export class Resource {
+import {compose} from '@avocado/core';
+import {Property} from '@avocado/mixins';
+
+const decorate = compose(
+  Property('instanceUuid'),
+  Property('uri'),
+  Property('uuid'),
+)
+
+export class Resource extends decorate(class {}) {
 
   static load(uri) {
     return this.read(uri).then((json) => {
@@ -41,45 +50,28 @@ export class Resource {
   }
 
   constructor() {
-    this._instanceUuid = uuid();
+    super();
-    this._uri = undefined;
+    this.instanceUuid = uuid();
-    this._uuid = undefined;
   }
 
   fromJSON({uri, uuid}) {
-    this._uri = uri;
+    if (uri) {
-    this._uuid = uuid;
+      this.uri = uri;
+    }
+    if (uuid) {
+      this.uuid = uuid;
+    }
     return this;
   }
 
-  get instanceUuid() {
-    return this._instanceUuid;
-  }
-
   regenerateUuid() {
-    this._uuid = uuid();
+    this.uuid = uuid();
-  }
-
-  get uuid() {
-    return this._uuid;
-  }
-
-  set uuid(uuid) {
-    this._uuid = uuid;
-  }
-
-  get uri() {
-    return this._uri;
-  }
-
-  set uri(uri) {
-    this._uri = uri;
   }
 
   toJSON() {
     return {
-      uuid: this._uuid,
+      uuid: this.uuid,
-      uri: this._uri,
+      uri: this.uri,
     };
   }