Using stores in components in Vue - Cheat Sheet & Quick Revision

Recall & Review

beginner

What is a store in Vue and why do we use it in components?

A store is a centralized place to keep data that many components can share. We use it to keep state organized and make data easy to access and update across components.

beginner

How do you import and use a store inside a Vue component with the Composition API?

You import the store function and call it inside the <code>setup()</code> function. Then you can access state and actions from the store inside your component.

intermediate

What is the benefit of using ref or reactive in a store?

Using ref or reactive makes the store's data reactive, so when the data changes, components using the store update automatically.

beginner

How can you update store state from a component?

You call a function or action defined in the store that changes the state. This keeps state changes organized and predictable.

intermediate

Why is it better to use a store instead of passing props between many components?

Using a store avoids 'prop drilling' where you pass data through many layers. It makes code cleaner and easier to maintain.

In Vue, where do you usually call the store function to use it in a component?

A Inside the <code>setup()</code> function

B Inside the <code>template</code> section

C Inside the <code>style</code> section

D Outside the component file

The store is called inside the setup() function to access its state and actions reactively.

What makes store data reactive in Vue?

A Using <code>setTimeout</code>

B Using <code>console.log</code>

C Using <code>ref</code> or <code>reactive</code>

D Using <code>import</code> statements

Vue's ref and reactive functions make data reactive so components update automatically.

What is a common reason to use a store in Vue components?

A To share state between many components easily

B To style components

C To write CSS faster

D To create HTML templates

Stores help share and manage state across multiple components without passing props.

How do you update the store's state from a component?

A By importing CSS files

B By editing the component's <code>template</code>

C By changing the <code>style</code> section

D By calling an action or function defined in the store

State updates should happen through store actions to keep changes organized.

What problem does using a store help avoid in Vue apps?

A Writing HTML tags incorrectly

B Prop drilling through many components

C Browser compatibility issues

D Slow internet connection

Stores prevent the need to pass props through many layers, making code cleaner.

Explain how to use a store inside a Vue component using the Composition API.

Think about what you do inside the setup() function.

Describe why using a store is helpful compared to passing props between components.

Consider how data flows in your app.