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We have a library we created using ECMACScript 6 that we transpiled using babel that worked perfectly with a VisualForce page. Migrating this library to work with Locker Service I found that Object.freeze is not working. I will like to understand why and know if there is an equivalent way to do this that works with Locker Service.

Thanks!

  • Have you looked at Freeze JavaScript Prototypes – codeyinthecloud Dec 22 '18 at 12:39
  • Could you provide some sample code we could look at? – JF Paradis Dec 27 '18 at 15:41
  • @JFParadis seems in fact it works. Sorry!!! I'm kind of new to Locker Service. It was already hard for me sometimes to understand Lightning Components errors and despite the fact I had years working with Javascript is really hard to debug and understand what is going on. I still had error I know now is not there but will ask once I have a better understanding. Thanks. – ymiki Dec 28 '18 at 16:26
  • @ymiki Perfect, let us know how we can improve. – JF Paradis Dec 28 '18 at 20:12
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You can to use the Locker Console to prototype your code:

https://developer.salesforce.com/docs/component-library/tools/locker-service-console

It's a great way to understand how Locker works.

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