Revealing Module Pattern for Angular Services

revelaing.js

angular.module('blogpost.service',[])
    .service('BlogpostService',BlogpostService);
    
    function BlogpostSerivce(){
        var service = this;
        
        service.getBlogs = getBlogs;
        service.createBlog = createBlog;
        service.getBlogName = getBlogName;
        
        //////////
        
        var blogName = 'Test Blog';
        var blogs = ['blog1', 'blog 2', 'blog3'];
        
        function getBlogs(){
            return blogs
        }
        
        function createBlog(blogObject){
            blogs.push(blogObject);    
        }
        
        function getBlogName(){
            return blogName;
        }
    }