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.
Table of Contents (22 chapters)
Title Page
PacktPub.com
Foreword
Contributors
Preface
Index

Apex debugging


In this section, we will describe how you can debug Apex classes. The traditional way to debug Apex has been to add system.debug() statements and trace variable values in debug logs. System.debug() prints the variable value in the logs.

You can set the logs in Salesforce by using the setup menu and following the Environments | Logs | Debug logs path. The following screenshot shows how to find theDebug Logsmenu fromSetup:

Once in the Debug Logs menu, you can set the trace flags to start capturing the logs for the user. Check out the following screenshot for how to set up logs. Once logs are set up, any Apex executed is logged. There is a maximum size limit for the logs and it is currently 5 MB:

Using the Salesforce CLI to stream logs

The Salesforce CLI provides the option to stream logs directly from the command line. To tail the logs, you can...