Pin me a Pinia

A yummy store management for Vue.js apps

Maya Shavin

A little bit about me

SENIOR SOFTWARE ENGINEER

StoreFrontUI Team

VueJS Israel Organizer

State management

Why do you need a state management (or store)?

What is State Management?

Process of maintaining knowledge of application's inputs across multiple related data flows... to understand the condition of an app at any given time..."

  • Manage conditions of an app/ component/ feature at a given session period.
  • Keep consistency of data flows.

When do you need State Management?

  • Sharing states/data flows between components.
  • Preserve data state logic from component's lifecycle.
  • Single source of truth
  • Faster UI interaction.
  • Less requests sent to BE
  • Better maintenance & testing 
import { createStore } from 'vuex'

export const globalStore = createStore({
 state: () => ({
   products: [],
   cart: [],
   user: null
 }),
 mutations: {
 	/*....*/
 },
 methods: {
   login() {
     /*...*/
   },
   fetchProducts() {},
   addItemToCart() {}
 }
})
  • Unidirectional data flow
  • Dispatcher as the central hub 
  • The dispatcher, stores, and views are independent nodes.

State management - Flux pattern

  • Flux architecture inspired
  • Strong community
  • Focus on scalability

Vuex

  • Over complicated in many cases
  • Out-of-the-box TypeScript support?
  • Effective code spliting for store?

Pinia

A modular approach to store management

  • Support Vue 2 AND Vue 3
  • TypeScript support
  • Create and bundle the store only where it needed
  • Reusable getters (less duplicate code)
  • Multipe stores as modular
  • Lighter weight (~1kb)

What's yummy about Pinia

Seeing is believing...

Let's make a pizza store

Vue 3
Vue Router 4
Pinia 2
Netlify functions
Vitejs

The requirements

Fetch, store and display pizzas from APIs

Create a cart system (add, edit, clear)

Add pizza to cart & display cart

Make a payment using Pinia plugins

The requirements

Fetch, store and display pizzas from APIs

Create a cart system (add, edit, clear)

Add pizza to cart & display cart

Make a payment using Pinia plugins

The requirements

Fetch, store and display pizzas from APIs

Create a cart system (add, edit, clear)

Add pizza to cart & display cart

Make a payment using Pinia plugins

The requirements

Fetch, store and display pizzas from APIs

Create a cart system (add, edit, clear)

Add pizza to cart & display cart

Make a payment using Pinia plugins

The requirements

Fetch, store and display pizzas from APIs

Create a cart system (add, edit, clear)

Add pizza to cart & display cart

Make a payment using Pinia plugins

Others cool things of Pinia

Obviously :)

  • $patch
  • $subscribe
  • $onAction

Is Pinia better than VueX?

It all depends...

  • Lack of debugging support (yet)
  • Scalability for big complex project?
  • New to the community

Resources

Thank You!

Questions?

Pin me a Pinia for Store management

By Maya Shavin

Pin me a Pinia for Store management

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