Better organization of tests & other files

src/decorators/pluck.ts

@@ -0,0 +1,18 @@
+export const PLUCK_PROPERTIES_KEY = 'serde:pluck_properties';
+
+/**
+ * Adding this decorator allows for plucking out an T[] or {T: v}[]
+ *
+ * @param field  - use 'fieldName' when creating string|number[],
+ * use ['fieldName'] when creating {[fieldName]: value}[]
+ */
+export function Pluck(field: string | string[]): Function {
+    return function (target: any, key: string): void {
+      Reflect.defineMetadata(PLUCK_PROPERTIES_KEY, {
+        ...Reflect.getMetadata(PLUCK_PROPERTIES_KEY, target) || {},
+        ...{ [key]: field }
+      }, target);
+    };
+  }
+  
+  /* tslint:enable:variable-name */