Book Image

Learning Salesforce Lightning Application Development

By : Mohit Shrivatsava
Book Image

Learning Salesforce Lightning Application Development

By: Mohit Shrivatsava

Overview of this book

Built on the Salesforce App Cloud, the new Salesforce Lightning Experience combines three major components: Lightning Design System, Lightning App Builder, and Lightning Components, to provide an enhanced user experience. This book will enable you to quickly create modern, enterprise apps with Lightning Component Framework. You will start by building simple Lightning Components and understanding the Lightning Components architecture. The chapters cover the basics of Lightning Component Framework semantics and syntax, the security features provided by Locker Service, and use of third-party libraries inside Lightning Components. The later chapters focus on debugging, performance tuning, testing using Lightning Testing Services, and how to publish Lightning Components on Salesforce AppExchange.

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Table of Contents (22 chapters)
Title Page
Title Page
PacktPub.com
PacktPub.com
Foreword
Foreword
Contributors
Contributors
Preface
Preface
Free Chapter
1
Introduction to the Lightning Component Framework
Introduction to the Lightning Component Framework
Lightning Experience
Lightning Component architecture
Setting up a Salesforce developer organization to enable the building of Lightning Components
The Lightning Design system
Summary
2
Exploring Salesforce DX
Exploring Salesforce DX
Enabling the developer hub in your Salesforce organization
Installing the Salesforce DX CLI
Salesforce DX commands
Lightning commands
Metadata API commands
Data import and export commands in Salesforce DX
Installing the Visual Studio extension pack for DX
Summary
3
Lightning Component Building Blocks
Lightning Component Building Blocks
Component markup and using Lightning base components for layouts
Understanding attributes
Using Expression syntax
JavaScript controller and helper
Wiring the client-side to the server using Apex controllers
Summary
4
The Lightning JavaScript API
The Lightning JavaScript API
Technical requirements
Using component get and set methods
Using the find function to locate the DOM
Introducing Locker Service
APIs available in $A top-level functions
Format date/DateTime using the Aura Localization Service
Dynamically creating components using $A.createComponent()
Modifying the DOM in the RENDERER JavaScript file of the component bundle
Using custom labels in Lightning Components
ES6 support in Lightning Components
Summary
5
Events in the Lightning Component Framework
Events in the Lightning Component Framework
Browser events
Application events
Component events
Creating a sales LeaderBoard Lightning Application using events
Communicating between components
Summary
6
Lightning Data Service and Base Components
Lightning Data Service and Base Components
Lightning Data Service
Example components using Lightning Data Service
Lightning base components
Summary
7
Using External JavaScript Libraries in Lightning Components
Using External JavaScript Libraries in Lightning Components
Third-party JavaScript libraries in Lightning Components
Summary
8
Debugging Lightning Components
Debugging Lightning Components
Enabling Debug Mode
Salesforce Lightning Inspector 
Salesforce community page optimizer
Using the Chrome developer Console
Apex debugging
Summary
9
Performance Tuning Your Lightning Component
Performance Tuning Your Lightning Component
Storable actions
Avoiding nested aura:if in aura:iteration
Events strategy for performance and ease of code maintenance
Optimizing JavaScript in Lightning Components
Unbound expression bindings
Using the Lightning data service
Leveraging Lightning base components
Optimizing Apex code
Disabling Debug Mode for production
Summary
10
Taking Lightning Components out of Salesforce Using Lightning Out
Taking Lightning Components out of Salesforce Using Lightning Out
Lightning Out in Visualforce
Lightning Out in a Node.js application
Lightning Out for unauthenticated users
Lightning Out limitations and considerations
Summary
11
Lightning Flows
Lightning Flows
Introducing Flows
Adding custom components in Flow builder
Summary
12
Making Components Available for Salesforce Mobile and Communities
Making Components Available for Salesforce Mobile and Communities
Using Lightning Components in a Salesforce mobile application
Lightning Components in Community Cloud
Summary
13
Lightning Navigation and Lightning Console APIs
Lightning Navigation and Lightning Console APIs
Adding navigation support using Lightning :navigation
Introducing the Lightning Console
Summary
14
Unit Testing Lightning Components
Unit Testing Lightning Components
Introduction to Jasmine
LTS
Summary
15
Publishing Lightning Components on AppExchange
Publishing Lightning Components on AppExchange
Namespacing Salesforce developer instances for managed package generation
The impact of namespacing Salesforce instances on the component bundle
Creating scratch Orgs with namespaces
Creating a managed package
Documenting your components using the auradoc file
Using the design file to allow admins to configure attributes
Publishing components on AppExchange
Summary
Other Books You May Enjoy
Other Books You May Enjoy
Leave a review - let other readers know what you think
Index
Index

Chapter 7. Using External JavaScript Libraries in Lightning Components

Lightning Component framework has a rich set of JavaScript APIs that you can use to build client-side logic. However, there are a lot of open source libraries and frameworks that provide rich functionalities but can take a considerable amount of effort to rewrite using Lightning Component framework's native JavaScript APIs. One example of such a situation is if you are looking to build charts with Salesforce data, then building all the CSS and client-side JavaScript from scratch can consume a lot of time. Instead, you can import libraries such as ChartJs (https://www.ChartJs.Org/), HighCharts (https://www.highcharts.com/), or D3 (https://github.com/d3/d3/wiki/Gallery) to meet charting requirements with minimal code and without having to engineer everything from scratch.

Another example is using libraries such as jQuery to make client-side HTTP callouts. Similarly, if you already have a single-page application built using...

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