Function Unique

Unique(options?: { sparse?: boolean; unique?: boolean }): PropertyDecorator
Indicate a field is unique.
Parameters
- options: { sparse?: boolean; unique?: boolean } = {}
  - Optionalsparse?: boolean
    Indicate it could be nullable.
  - Optionalunique?: boolean
    Indicate it's a unique index.
Returns PropertyDecorator
- Defined in src/core/decorators/indexes.ts:33