How to use Magento 2.3 PWA Studio effectively | Landofcoder

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Magento 2.3 is developed and launches best Magento 2.3 extensions to empower Magento stores. And 2019 will be a potential year of success to boost your website performance and satisfy any fastidious customer. There’re many powerful tools in Magento 2.3 to fuel your ecommerce website. One of advanced tools you cannot miss out is Progressive Web Apps (PWA). The number of mobile shopping customers is increasing remarkably due to the strong penetration of smartphone. Therefore, PWA Studio is launched to help you optimize mobile experience, engage more customers and convert sales. A big question is How to use Magento 2.3 PWA Studio easily and effectively?. Let’s anwser this question with us!

I. What are PWAs and Magento 2.3 PWA Studio?

PAWs or ”Progressive Web Apps” are mobile apps that load and run progessively in a web browser. It takes advantages of native mobile apps and apply to the mobile browser. A basic PAW website is outstanding with speed optimization, high security, fully responsive design, cross-browser compatibility, offline mode, mobile installation, and shareable content.

Magento 2.3 PWA Studio is a collection of advanced and modern tools enabling developers to establish complex PWAs on top of Magento 2.3 stores.

Magento 2.3 PWA Studio

II. How Incredible Magento 2.3 PWA Studio Is!

It’s said that PWA Studio with fast app-like mobile commerce will improve SEO, drive conversion rate and website performance higher 50%. Magento 2.3 PWA Studio not only saves lots of your time & effort but also decreases certain amount of cost.

Modern Tools Provided By Magento 2 PWA Studio Project

1. PWA-builderpack: includes main development tools for a Magento PWA
2. Peregrine: provides UI components for a Magento PWA
3. Venia Storefront: create Magento storefront by using PWA Studio tools

III. Magento PWA Storefront

Magento 2.3 PWA Studio builds a custom frontend experience with storefront applications. A Magento storefront application is a PWA created using PWA Studio tools. Components of PWA Studio refer to React components – modular pieces building up a React app as a Magento PWA Storefront. Besides, dependency management of PWA Studio is NPM – a package manager for JavaScript and software registry. Magento PWA storefront development creates a storefront by using different React modules. Thus, it’s more flexible and high-controlable during the process of creating a storefront.

Because of the difference in technologies, required skillset for Magento frontend developers is more special. To create a custom storefront, PWA Studio development doesn’t require much specific Magento knowledge as Magento theme development. Also, the tools and concepts are more common in the general community of frontend developers.

skill required for Magento 2.3 PWA Studio developers

IV. Tools & Libraries Required for Magento 2.3 PWA Studio

You should get used to the tools and libraries provided by Magento 2.3 PWA Studio project.

1. Webpack

Webpack is a configuration with bundler and optimizer assets for JavaScript applications. The PWA buildpack tool optimizes webpack’s functionality in webpack.config.js file and takes advantage of your local environment variables to set up a great development environment for your system.

2. React

React is a JavaScript library for user interfaces builder. It makes PWA development easier with fantastic features such as
Simple: simply & flexibly build user interfaces and choose proper solutions to the project
Declarative: create your complex interfaces for any application state and render the UI appropriately when the state changed
Modular: stimulate developers to build modular and UI components for coding with ease

3. Redux

Redux is a JavaScript library for state management of a web application. Multiple components of the specific application state are held by a global store object that Redux creates.

4. GraphQL

GraphQL is an alternative using REST endpoints. It’s a specific data query language of the client and a service layer of the server. A single GraphQL endpoint can contain requests for combinations of data. While, a single GraphQL request make return only for the data needed. Hence, PWAs enhances performance by decreasing server calls number and data returned amount.

V. Basic Concepts of Magento PWA Studio

Magento 2.3 PWA Studio with advanced tools supports you to build up rapid, mobile-friendly and reliable websites. There’re some primary concepts that you should know to optimized Magento 2.3 PWA Studio tools effectively.

1. Application shell

An application shell provides the fundamental user interface structure for each PWA. App shell rendering repeats visits instantly. Also, it helps you enhance loading speed in the UI by preventing unnecessary data uage.

application shell for Magento 2.3 PWA Studio

2. Container extensibility

A Container is an HTML element including 0 or more ContainerChild components. To create a Container, you can add a data-mod prop (literal string value) to a DOM element (div, span, etc.). On the other hand, to extend a Container, you can use the magento-loader-layout tool from the PWA Buildpack. With that tool, you can remove a container or a child component, insert content before or after a child component in a container.

3. CSS modules

A CSS module is a CSS file. It defines class and animations names scoped locally by the default. You can import your .css file into a JavaScript Object with CSS definitions. You also can use the compose property to modularize style definitions. Moreover, you can control element styles and create multiple style layers.

How to configure Webpack with CSS modules

webpack configuration in Magento 2.3 PWA Studio

importLoaders: loaders number to apply to imported resources before applying css-loader
localIdentName: format of the genertaed local ident
[name]: the component
[local]: the CSS definition
[hash:base64:3]: a random base64 of 3 digits
modules: enable/disable CSS modules

How to create a component with CSS modules

With locally scoped styles, you can create any component.

create a component with css modules in Magento 2.3 PWA Studio

How to create and compose CSS modules

A valid .css file whose style definitions are scoped to specific components is a CSS module.

create css modules in Magento 2.3 PWA Studio

To combine local style definitions, you can use the composes prop in CSS module. Compose CSS modules from another file with the keyword ‘from‘.

compose css module in Magento 2.3 PWA Studio

How to import and apply styles

The syntax is similar to importing a JavaScript module.

import styles in Magento 2.3 PWA StudioHow to define a Subtitle component using style definition

define a subtitle component in Magento 2.3 PWA Studio

How to assign a style by component logic

assign a style based on component logic in Magento 2.3 PWA Studio

4. GraphQL

With GraphQL, you will gain predictable results from queries, single request for any results and organized data with a typed schema. Specially, GraphQL is more advantegous than REST for some points.

– No need for versioning: with GraphQL, you can add new types and fields to the schema with no impact on existing queries. Also, you can remove fields by deprecation and avoid errors from old queries.

no versioning in Magento 2.3 PWA Studio

– High performance: GraphQL is faster and more efficient than REST APIs. The types and fields are returned with one query.

A schema example with a user type, a posts field and post types.

faster & more efficient in Magento 2.3 PWA Studio

A schema query requests the name and post titles for a specific user

A query for schema in Magento 2.3 PWA Studio

The data response for the query

data response for query in Magento 2.3 PWA Studio

Some Query Samples

1. Simple query

simple query in Magento 2.3 PWA Studio

The response

response for query in Magento 2.3 PWA Studio

2. Custom data query

custom data query in Magento 2.3 PWA Studio

The response

response for custom data query in Magento 2.3 PWA Studio

3. Arguments in a query

arguments in a query in Magento 2.3 PWA Studio

The response

response for arguments in a query in Magento 2.3 PWA Studio

4. Query connected resources

query connected resources in Magento 2.3 PWA Studio

The response

response for query connected resources in Magento 2.3 PWA Studio

VII. Unified Progressive Web App Response Definition (UPWARD)

An UPWARD definition file describes the delivery of a web server and enpower a PWA. An UPWARD server supports you to

  • get a request from the application shell
  • choose the proper service/process to solve the request
  • receive the consequencies from the service/process
  • establish the HTTP response from the results
  • return the response to the application shell

UPWARD position in Magento 2.3 PWA Studio

A PWA profect contains an UPWARD definition file to identify its service dependencies. UPWARD is between Magento Server and PWA.

How to implement UPWARD with Magento 2.3 PWA Studio

  1. Installation

install UPWARD with Magento 2.3 PWA Studio

2. Usage

To use upward-js server, you need command line, server API, or middleware API.

  • Command line

run command line for UPWARD server in Magento 2.3 PWA Studio

Then launch ”upward-js server” in the foreground.

  • Server API

You should import server from @magento/upward-js in the Node script.

server API for UPWARD in Magento 2.3 PWA Studio

  • Middleware API

You’ll need to use middleware from @magento/upward-js.

middleware API for UPWARD in Magento 2.3 PWA Studio

To get more detail for Magento 2.3 PWA Studio, you can refer the documentation.

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