| 1 | import { |
| 2 | ValidationArguments, |
| 3 | ValidatorConstraint, |
| 4 | ValidatorConstraintInterface, |
| 5 | } from 'class-validator'; |
| 6 | |
| 7 | @ValidatorConstraint({ name: 'isDateRange', async: false }) |
| 8 | export class IsDateRange implements ValidatorConstraintInterface { |
| 9 | validate(propertyValue: Date, args: ValidationArguments) { |
| 10 | const [relatedPropertyName] = args.constraints; |
| 11 | const relatedValue = (args.object as any)[relatedPropertyName]; |
| 12 | |
| 13 | if (!propertyValue || !relatedValue) return true; |
| 14 | |
| 15 | return propertyValue < relatedValue; |
| 16 | } |
| 17 | |
| 18 | defaultMessage(args: ValidationArguments) { |
| 19 | const [relatedPropertyName] = args.constraints; |
| 20 | return `${args.property}必须早于${relatedPropertyName}`; |
| 21 | } |
| 22 | } |
| 23 |