Function emailNotTaken

emailNotTaken(isExistingEmail, targetField, logger, context): Promise<number>
Email not taken validator
Parameters
- isExistingEmail: ((l, email) => Promise<boolean>)
  injected function use to check if email is taken
  - - (l, email): Promise<boolean>
    - Parameters
      l: Logger
      email: string
      Returns Promise<boolean>
- targetField: TargetField
  which request field to check to get email value
- logger: Logger
  injected logger used to handle the logging
- context: AdapterHandlerContext
  request context [headers, body, params, query].
Returns Promise<number>
200 Status OK
Description
This validator will check if email is not taken by applying the following steps in sequence:
1. Get email from context
2. Use injected function isExistingEmail to check if email is taken
Throws
400 NBError Bad Request
- email not exist in request body
- email: ${email} is already in use
- Defined in src/adapter/default/validators/email-not-taken.validator.ts:39

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