ex-2: update Employee to use delegated capitalized type

Author: kaiosilveira

src/example-02/emplyees/index.js

@@ -17,16 +17,12 @@ export class Employee {
     return this._type.toString();
   }
 
-  get capitalizedType() {
-    return this.typeString.charAt(0).toUpperCase() + this.typeString.substr(1).toLowerCase();
-  }
-
   validateType(arg) {
     if (![`engineer`, `manager`, `salesman`].includes(arg))
       throw new Error(`Employee cannot be of type ${arg}`);
   }
 
   toString() {
-    return `${this._name} (${this.capitalizedType})`;
+    return `${this._name} (${this.type.capitalizedName})`;
   }
 }

src/example-02/emplyees/index.test.js

@@ -6,11 +6,6 @@ describe('Employee', () => {
     expect(() => new Employee('Kaio', 'invalid')).toThrow('Employee cannot be of type invalid');
   });
 
-  it('should return the capitalized type', () => {
-    const employee = new Employee('Kaio', new EmployeeType('engineer'));
-    expect(employee.capitalizedType).toBe('Engineer');
-  });
-
   describe('toString', () => {
     it('should return the name and type', () => {
       const employee = new Employee('Kaio', new EmployeeType('engineer'));