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Vue.js 2 Design Patterns and Best Practices
book

Vue.js 2 Design Patterns and Best Practices

by Paul Halliday
March 2018
Beginner to intermediate content levelBeginner to intermediate
344 pages
7h 7m
English
Packt Publishing
Content preview from Vue.js 2 Design Patterns and Best Practices

Adding new features

Let's take a test-driven approach to adding new features to our application. We'll need a way to add new items to our todo list, so let's start by writing our tests first. Inside TodoList.spec.js, we'll add another it assertion that should add an item to our todo list:

it('should add an item to the todo list', () => {  const wrapper = mount(TodoList);  const todos = wrapper.vm.todos;  const newTodos = wrapper.vm.addTodo('Go to work');  expect(todos.length).toBeLessThan(newTodos.length);});

If we run our tests right now, we'll get a failing test this is expected!:

Let's do the minimum possible to fix our error. We can add a ...

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Publisher Resources

ISBN: 9781788839792Supplemental Content