ex-2: add capitalization logic to EmployeeType

Author: kaiosilveira

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

@@ -3,6 +3,10 @@ export class EmployeeType {
     this.value = value;
   }
 
+  get capitalizedName() {
+    return this.toString().charAt(0).toUpperCase() + this.toString().slice(1);
+  }
+
   toString() {
     return this.value;
   }

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

@@ -5,4 +5,9 @@ describe('EmployeeType', () => {
     const employeeType = new EmployeeType('engineer');
     expect(employeeType.toString()).toBe('engineer');
   });
+
+  it('should return the capitalized name', () => {
+    const employeeType = new EmployeeType('manager');
+    expect(employeeType.capitalizedName).toBe('Manager');
+  });
 });