This webinar covered migrating a Visualforce page to Lightning Web Components (LWC), using events for inter-component communication, and exposing the LWC application through a Visualforce page using Lightning Out. Specifically, the presenters took an existing Visualforce page and recreated it with LWC. They used events to refresh parent components when data changed. They then built an Aura component to wrap the LWC application and exposed it via a Visualforce page, allowing it to be used in a public site. The key takeaways were that LWC are useful, events enable communication between components, and wrapping LWC in Aura allows exposure via Visualforce.

1. Live Coding with Salesforce Developers
Oct 15, 2019
Visualforce to Lightning Web Components: Events and Lightning Out
with Brian Kwong and Kevin Poorman

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5. Introductions
Explanation of the problem
Coding our solution
Recap
Talking about what we’re gonna talk about. #meta
What’re we coding today?

6. Brian Kwong
Developer Evangelist, Salesforce.com
Plays guitar badly
Live Coding with Brian Kwong & Kevin Poorman
Kevin Poorman @codefriar
VP of Delivery and Operations at
Better Partners
Didn’t attend Hogwarts

7. Visualforce to LWC
Migrating visualforce pages to app pages with Lightning Web Components
Exposing the new apps through Lightning Apps
Inter-component communication using events
What does that mean?

8. https://github.com/sfcodelive/VisualforceToLWC
We’re working with this project:

9. This way to the code
In case Kevin forgets, this is where we (finally) get away
from the slides and to the coding bits.

10. Today we
Took a Visualforce page and re-created it with Lightning Web Components
Used events to refresh parent components
Built a lightning out Aura component, and exposed our LWC app via a Visualforce page
mAd3 n0 Tyops.

11. Key Takeaways
Lightning Web Components are cool.
Communicating between components is done via events
Wrapping your LWC in an aura component allows you to expose your LWC apps in a public site
page via visualforce
Remember this!

12. Complete our Trailmix:
https://sforce.co/35EbAYu
trailhead.salesforce.com

13. Next week on #CodeLive
Until then, catch up on previous episodes
Code Reviews with Ryan Headley
Until then, hit https://trailhead.salesforce.com for past episode videos!
Do you have what it takes to defeat Iron Coder Winkelmeyer?
http://bit.ly/2MuPDTd

14. Q & A
Try Trailhead: trailhead.salesforce.com
Join the conversation: @salesforcedevs

15. Survey
Your feedback is crucial to the success of our
programs. Please fill out the survey at
the end of this session. Thank you!