w3c
Fine-grained error reporting with canMakePayment()
I am creating this issue based on discussion on issue #843.
I am hearing several use cases for fine-grained error reporting when canMakePayment() returns false:
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An error message (e.g., "okToUseAPI") that indicates that the user does not want to share detailed information but would like to use the API under show() conditions would reveal some information about the user's browser configuration.
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Errors in SSL. For example, self-signed SSL causes Chrome to always return "false" to canMakePayment() and reject show() with "AbortError: Request cancelled."
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Reasons why the payment sheet closed, e.g., "AbortError: User closed the payment handler", "AbortError: The payment handler cancelled the transaction", or "AbortError: User closed the card CVV entry form."
I propose that we take up these use cases after version 1.
