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3 changes: 3 additions & 0 deletions src/decorator/common/IsOptional.ts
Original file line number Diff line number Diff line change
Expand Up @@ -4,13 +4,16 @@ import { ValidationTypes } from '../../validation/ValidationTypes';
import { ValidationMetadata } from '../../metadata/ValidationMetadata';
import { getMetadataStorage } from '../../metadata/MetadataStorage';

export const IS_OPTIONAL = 'isOptional';

/**
* Checks if value is missing and if so, ignores all validators.
*/
export function IsOptional(validationOptions?: ValidationOptions): PropertyDecorator {
return function (object: object, propertyName: string): void {
const args: ValidationMetadataArgs = {
type: ValidationTypes.CONDITIONAL_VALIDATION,
name: IS_OPTIONAL,
target: object.constructor,
propertyName: propertyName,
constraints: [
Expand Down