Salesforce Developer Tutorial - Apex and LWC Debugging Techniques
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- Опубліковано 25 лип 2024
- In this episode we go over some Apex and Lightning Web Component Debugging techniques. We go over how to traverse through code quickly to find the root of a problem, how to think while debugging, how to use the log panels in the dev console, how to use the devtools debugger for LWC's and much more!
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Table of Contents:
0:00 - Intro
0:21 - Why is debugging so important?
2:21 - How to think while debugging
6:19 - Apex Interactive and Replay Debuggers
8:56 - How to use "Go to Declaration and Usages" to quickly traverse code
22:34 - When and how to leverage System.debug to your get back on track
26:53 - How to use code chunking to debug in desperate situations
31:01 - How to use the dev console log panels to find code bottlenecks
35:54 - How and why to enable debug mode for Lightning Components
39:52 - How to debug Lightning Components using the DevTools Sources panel
43:55 - Using console.log and JSON.stringify to debug Lightning Components
50:18 - Outro
DISCLAIMER: The views and ideas expressed on this UA-cam channel and blog are based on past development experiences and may not always work for your particular scenarios. The advice in these videos may also become outdated as technology advances. They should be used as examples for educational purposes only. Using any shown solutions in your own org is not advisable since they are example scenarios.
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One thing I forgot to mention that I should have is that it is in your best interest as a developer to learn the order of execution of events in Salesforce. This is super critical to understand and reference. Otherwise you can get really confused while debugging. Here is a link that outlines that chain of events: developer.salesforce.com/docs/atlas.en-us.apexcode.meta/apexcode/apex_triggers_order_of_execution.htm
Really very useful and detail debugging information, I do mostly similar way but you're very detailed and clear. Thanks for sharing.
Note: in Salesforce industry people often say, you don't any programming background but I'm sure without that base they can't debug properly and will be blind folded.
Thank you so much for making these videos. You have helped me tremendously on my developer journey.
Much needed, Thank you so much for the awesome video.
so good. I've been looking all over for a place that explains how to debug LWC's. your videos are so helpful. thank you so much for sharing these.
I really love your videos, the content, the explanations. Thanks and do more!!!
Thank you for the guides!
No problem!
Wohoo awesome!
awesome!!!
Could you please help me to setup decaorator and usage feature..when hover over on function and press ctrl +B , it is not taking me to the js file and so
Hey,
Really interesting video and fully agree. Nothing makes you look so competent as when you solve a complex bug.
One thought I had. Do you think it would make sense to use Execution Overview to understand what part of the code is performing a DML. For instance, setting contact name on the Subject field on a task?
Thanks for the tutorial Matt, this is really well done ❤. I have a question though, does VS code have "Go to Declaration and Usage?" I tried the "Go to Definition" one but it did not really bring me to the apex class that defines the method. Or am I missing something? Sorry I'm just new to this.
Can you show me how to debug variables?
What if my LWC's are in experience builder? i don't see those files in Sources there
They should still be there but they are in a different folder. You do have to be in builder mode however I believe. It’s been a couple months since I’ve done community work. If I get some time I’ll try and go back and find the exact folder for you.
Which IDE you are using? Is it paid? @codingWithTheForce
Fflib apex common library creating so many layers of abstraction is surely making it harder for debugging. What I feel by learning is we can make the service classes representing as a specific business workflow and the end, in case of lightning components.
it seems like Jefferey Dahmer is speaking....