prismaError.ts

import { isError } from '@lokalise/node-core'
import type { PrismaClientKnownRequestError } from '@prisma/client/runtime/client'

/**
 * What is checked?
 * 	1. error is defined and not null
 * 	2. error is an `Error`
 * 	3. error contains the field code which is a string
 * 	4. code starts by `P` ([doc](https://www.prisma.io/docs/reference/api-reference/error-reference#error-codes))
 */
export const isPrismaClientKnownRequestError = (
  error: unknown,
): error is PrismaClientKnownRequestError =>
  !!error &&
  isError(error) &&
  'code' in error &&
  typeof error.code === 'string' &&
  error.code.startsWith('P')

export const isPrismaTransactionClosedError = (error: PrismaClientKnownRequestError): boolean =>
  error.code === PRISMA_TRANSACTION_ERROR &&
  error.message.toLowerCase().includes('transaction already closed')

/**
 * Prisma error code P2025 indicates that the operation failed because it depends on one or more
 * records that were required but not found
 */
export const PRISMA_NOT_FOUND_ERROR = 'P2025'

/**
 * Prisma error code P2034 indicates a serialization error and that the transaction must be retried.
 * A different error code would indicate that an internal state error happened and that
 * the cluster itself is experiencing an issue which requires intervention
 */
export const PRISMA_SERIALIZATION_ERROR = 'P2034'

/**
 * Prisma error code P2002 indicates that the operation failed because a unique constraint was
 * violated. This can happen if you try to create a record with a unique field that already exists
 */
export const PRISMA_UNIQUE_CONSTRAINT_ERROR = 'P2002'

/**
 * Prisma error code P2028 indicates a transaction API error, essentially a placeholder for errors that do not fit into
 * a more specific category. You should look into the error message for more details
 */
export const PRISMA_TRANSACTION_ERROR = 'P2028'

/**
 * Prisma error code P1017 indicates that the connection to the database server was prematurely terminated by the server
 */
export const PRISMA_SERVER_CLOSED_CONNECTION_ERROR = 'P1017'