feat(jsonView): add test

Author: snirs90

src/decorators.ts

@@ -1,4 +1,4 @@
-import { ClassTransformer } from './ClassTransformer';
+import {ClassTransformer} from "./ClassTransformer";
 import {defaultMetadataStorage} from "./storage";
 import {TypeMetadata} from "./metadata/TypeMetadata";
 import {ExposeMetadata} from "./metadata/ExposeMetadata";
@@ -54,17 +54,17 @@ export function Exclude(options?: ExcludeOptions) {
 /**
  * Return the object with the exposed properties only.
  */
-export function JsonView(params: {}, method?: string): Function {
+export function JsonView(params?: {}, method?: string): Function {
 
-    return function (target: any, propertyKey: string, descriptor: PropertyDescriptor) {
+    return function (target: Function, propertyKey: string, descriptor: PropertyDescriptor) {
         const classTransformer: any = new ClassTransformer();
         const originalMethod = descriptor.value;
 
         descriptor.value = function(...args: any[]) {
             let result: any = originalMethod.apply(this, args);
 
             let transformer: Function;
-            if (typeof method === 'string' && method) {
+            if (typeof method === "string" && method) {
                 transformer = classTransformer[method];
             }
             else {
@@ -73,6 +73,6 @@ export function JsonView(params: {}, method?: string): Function {
 
             result = transformer(result, params);
             return result;
-        }
-    }
+        };
+    };
 }

test/functional/basic-functionality.spec.ts

@@ -7,7 +7,7 @@ import {
     classToClass, classToClassFromExist
 } from "../../src/index";
 import {defaultMetadataStorage} from "../../src/storage";
-import {Exclude, Expose, Type} from "../../src/decorators";
+import {Exclude, Expose, Type, JsonView} from "../../src/decorators";
 import {expect} from "chai";
 
 describe("basic functionality", () => {
@@ -1680,5 +1680,47 @@ describe("basic functionality", () => {
         classToClassFromExistUser.should.be.eql([fromExistUserLike1, fromExistUserLike2]);
 
     });
+    
+    it("should expose properties with json view", () => {
+        defaultMetadataStorage.clear();
+
+        @Exclude()
+        class User {
+
+            id: number;
+
+            @Expose()
+            firstName: string;
+
+            @Expose()
+            lastName: string;
+
+            password: string;
+        }
+
+        const user = new User();
+        user.firstName = "Umed";
+        user.lastName = "Khudoiberdiev";
+        user.password = "imnosuperman";
+
+        const plainUser = {
+            firstName: "Umed",
+            lastName: "Khudoiberdiev"
+        };
+
+        class UserController {
+            
+            @JsonView()
+            getUser() {
+                return user;
+            }
+        }
+        
+        const controller = new UserController();
+
+        let result = controller.getUser();
+        expect(result.password).to.be.undefined;
+        expect(result).to.be.eql(plainUser);
+    });
 
 });