graphQl-352: is email available

[VitaliyBoyko]

Description (*)

Is email available coverage.

Query:

{
  isEmailAvailable(email: "[email protected]") {
    is_email_available
  }
}

Response:

{
  "data": {
    "isEmailAvailable": {
      "is_email_available": true
    }
  }
}

Fixed Issues (if relevant)

1. Add query isEmailAvailable on customer registration #352: Add query isEmailAvailable on customer registration

[naydav]

Hello @VitaliyBoyko,
Looks like in this case we don't need a class wrapper
we can call AccountManagementInterface directly in our resolver
Thanks

[ghost]

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[keharper]

Documented in magento/devdocs#4556