This PR will ensure that the subscription to the wc/store/payment-methods which was implemented to correctly display payment methods in the Checkout block in the editor is unsubscribed once the store is initialised.

Previously, this was never unsubscribed so we saw errors like RangeError: Maximum call stack size exceeded as checkPaymentMethodsCanPay was executed every time the store changed.

Testing

Automated Tests

• Changes in this PR are covered by Automated Tests.
  • Unit tests
  • E2E tests

User Facing Testing

1. Open the editor on any page/create a new page.
2. View the console and ensure no errors about RangeError: Maximum call stack size exceeded or similar appear.
3. Add the Checkout Block, ensure the editor works and the block is displayed correctly
4. Make a new page and add the Cart block, ensure the editor works and the block is displayed correctly.
5. Do a test order using the Cart and Checkout blocks.

• Do not include in the Testing Notes

WooCommerce Visibility

• WooCommerce Core
• Feature plugin
• Experimental

Performance Impact

Changelog

Fixed an error where adding new pages would cause an infinite loop and large amounts of memory use in redux.