JS error in the customer data

[ihor-sviziev]

Originally this issue was reported in 5983e17#commitcomment-44080850 by @HenKun.

The following commit 5983e17 leads to similar issues described in #24847.

Preconditions (*)

1. Magento 2.4.1, or 2.4-develop

Steps to reproduce (*)

1. Add the following code to the page on frontend:

<script>
    require(['Magento_Customer/js/customer-data'], function (customerData) {
        console.log(customerData.getExpiredSectionNames());
    });
</script>

2. Go to the frontend, see the console

Expected result (*)

1. In the console you should see an empty array, like this:
   

Actual result (*)

1. in the console we see the following error:
   

Additional info from Engcom

Add the script to, for example, /app/code/Magento/Customer/view/frontend/templates/form/edit.phtml

1. In the Storefront, Sign In as a Customer
2. Go to My Account
3. Click Edit under Contact Information
4. Observe the dev console

---

Please provide Severity assessment for the Issue as Reporter. This information will help during Confirmation and Issue triage processes.

• Severity: S0 - Affects critical data or functionality and leaves users without workaround.
• Severity: S1 - Affects critical data or functionality and forces users to employ a workaround.
• Severity: S2 - Affects non-critical data or functionality and forces users to employ a workaround.
• Severity: S3 - Affects non-critical data or functionality and does not force users to employ a workaround.
• Severity: S4 - Affects aesthetics, professional look and feel, “quality” or “usability”.

[m2-assistant]

Hi @ihor-sviziev. Thank you for your report.
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• Steps to reproduce
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@magento give me 2.4-develop instance - upcoming 2.4.x release

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Please, add a comment to assign the issue: @magento I am working on this

---

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[m2-assistant]

Hi @engcom-Bravo. 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: 👇

• 1. Verify that issue has all the required information. (Preconditions, Steps to reproduce, Expected result, Actual result).

  Details

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• 2. Verify that issue has a meaningful description and provides enough information to reproduce the issue. If the report is valid, add Issue: Clear Description label to the issue by yourself.

• 3. Add Component: XXXXX label(s) to the ticket, indicating the components it may be related to.

• 4. Verify that the issue is reproducible on 2.4-develop branch

  Details

  - Add the comment @magento give me 2.4-develop instance to deploy test instance on Magento infrastructure.
  - If the issue is reproducible on 2.4-develop branch, please, add the label Reproduced on 2.4.x.
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[engcom-Bravo]

Hello @ihor-sviziev

Thank you for your report. We Confirm that the issue is reproducible on the latest 2.4-develop. Additional info is added to the description.