[Configurable] JS error on product page

[ihor-sviziev]

Preconditions (*)

1. Magento 2.3.3 or 2.3-develop

Steps to reproduce (*)

1. Create Configurable product
2. Go to this product on frontend
3. Add this product to cart,
   
4. In the mini cart or on the cart page click on "Edit" () icon
5. Open Google Chrome Developer tools

Expected result (*)

1. You should not see any JS errors
2. Already selected configurable option should be selected

Actual result (*)

1. We have JS error

Uncaught TypeError: Cannot read property 'find' of undefined
    at $.<computed>.<computed>.updateMsrpPrice (msrp.js:355)
    at $.<computed>.<computed>.updateMsrpPrice (widget.js:100)
    at $.<computed>.<computed>.onUpdateMsrpPrice (msrp.js:333)
    at $.<computed>.<computed>.onUpdateMsrpPrice (widget.js:100)
    at HTMLDocument.dispatch (jquery.js:5232)
    at HTMLDocument.elemData.handle (jquery.js:4884)
    at Object.trigger (jquery.js:5136)
    at Object.jQuery.event.trigger (jquery-migrate.js:633)
    at HTMLDocument.<anonymous> (jquery.js:5866)
    at Function.each (jquery.js:376)

2. Already selected configurable option is not selected

[m2-assistant]

Hi @ihor-sviziev. Thank you for your report.
To help us process this issue please make sure that you provided the following information:

• Summary of the issue
• Information on your environment
• Steps to reproduce
• Expected and actual results

Please make sure that the issue is reproducible on the vanilla Magento instance following Steps to reproduce. To deploy vanilla Magento instance on our environment, please, add a comment to the issue:

@magento give me 2.3-develop instance - upcoming 2.3.x release

For more details, please, review the Magento Contributor Assistant documentation.

@ihor-sviziev do you confirm that you were able to reproduce the issue on vanilla Magento instance following steps to reproduce?

• yes
• no

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[ihor-sviziev]

@magento give me 2.3-develop instance

[magento-engcom-team]

Hi @ihor-sviziev. Thank you for your request. I'm working on Magento 2.3-develop instance for you

[magento-engcom-team]

Hi @ihor-sviziev, here is your Magento instance.
Admin access: https://i-25601-2-3-develop.instances.magento-community.engineering/admin
Login: admin Password: 123123q
Instance will be terminated in up to 3 hours.

[m2-assistant]

Hi @krishprakash. Thank you for working on this issue.
In order to make sure that issue has enough information and ready for development, please read and check the following instruction: 👇

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[magento-engcom-team]

@krishprakash Thank you for verifying the issue.

Unfortunately, not enough information was provided to acknowledge ticket. Please consider adding the following:

• Add "Component: " label(s) to this ticket based on verification result. If uncertain, you may follow the best guess

Once all required information is added, please add label "Issue: Confirmed" again.
Thanks!

[magento-engcom-team]

✅ Confirmed by @krishprakash
Thank you for verifying the issue. Based on the provided information internal tickets MC-23138 were created

Issue Available: @krishprakash, You will be automatically unassigned. Contributors/Maintainers can claim this issue to continue. To reclaim and continue work, reassign the ticket to yourself.

[magento-engcom-team]

Hi @ihor-sviziev. Thank you for your report.
The issue has been fixed in #25606 by @ihor-sviziev in 2.3-develop branch
Related commit(s):

• d26f8dad182b6f2cb8608758989fff3edb53a09f

The fix will be available with the upcoming 2.3.5 release.