* initial mapping out of stripe payment intents
* rename checkout processing statuses to be clearer
* Add new status and refactor checkout complete behaviour.
* Make sure payment result data is included in checkout processing response
* add payment intent handling
Still testing
* make sure promise is returned
* include site url with endpoint
* modify setComplete status to optionally receive redirectUrl for changing in state at the same time as setting status
* fix typo in property retrieval
* add error handling for after checkout processing event
* add notices area for payment methods
* implement error handling for stripe intents
* hook into stripe error processing and include error in payment response
* clear notices so they don’t show in block and merge payment details
* add notice handling to payment context
* modify error processing in checkout processor
* handle errors with fallback in checkout state context
* hook into after processing for stripe cc error handling
* set checkout to idle status if before processing emitters result in error
* Add emit response type-defs and normalize expectations for observer responses
* improve doc block
* switch checkoutIsComplete check to checkoutAfterProcessing for payment complete status change
* remove unneeded event emitters and consolidate some logic
* fix idle status set logic
* Allow for priority to be set on event emitters
* Add payment event emitters
* add new actions/status to checkout state context
* implement event emitters in payment data context
* refactor checkout state context to use new actions in event emitters
* refactor checkout processor to handle new event emitters
* fix type-defs for registered payment methods
* register observer for cheque payment method integration
* add inline todo
* fix sort
* fix tests and add test for priority usage in event emitters
* remove todo and just add explanatory comment
* condense sort logic
* lowercase test description
* abstract emitter callback to reduce code
* don’t process passed in errors if it’s undefined
* improve error response expectation for payment processing event observer
* Rename and move existing checkout provider to checkout-state provider.
This allows us to re-use the interface exposed on this provider for cart and checkout blocks.
* refactor checkout provider to implement the new checkout state provider.
* Add Cart provider and export
* fix type-defs
* fix editor context provider and ensure all `isEditor` checks come from this provider
* fix type definition
* implement cart provider