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• class-validator-extended - v4.2.1

MapUnique | class-validator-extended - v4.2.1

• Checks if the given value is a Map without duplicates with regard to the given projection.

  Example

  // Ensure the map does not include duplicate users.
  @MapUnique<User>(user => user.id)
  usersByEmail: Map<string, User>
  

  Type Parameters
  • Value = unknown

    The type of the map's values.

  • Projection = Value

    The type returned by projection.

  Parameters
  • projection: (item: Value) => Projection

    The function mapping each map entry to the value that is used for the uniqueness check.

  • Optionaloptions: ValidationOptions

    Generic class-validator options.

  Returns PropertyDecorator
  • Defined in src/map/map-unique/map-unique.decorator.ts:26

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