/
IsUUID.ts
33 lines (29 loc) · 1.08 KB
/
IsUUID.ts
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import { ValidationOptions } from '../ValidationOptions';
import { buildMessage, ValidateBy } from '../common/ValidateBy';
import isUuidValidator from 'validator/lib/isUUID';
export type UUIDVersion = '3' | '4' | '5' | 'all' | 3 | 4 | 5;
export const IS_UUID = 'isUuid';
/**
* Checks if the string is a UUID (version 3, 4 or 5).
* If given value is not a string, then it returns false.
*/
export function isUUID(value: unknown, version?: UUIDVersion): boolean {
return typeof value === 'string' && isUuidValidator(value, version);
}
/**
* Checks if the string is a UUID (version 3, 4 or 5).
* If given value is not a string, then it returns false.
*/
export function IsUUID(version?: UUIDVersion, validationOptions?: ValidationOptions): PropertyDecorator {
return ValidateBy(
{
name: IS_UUID,
constraints: [version],
validator: {
validate: (value, args): boolean => isUUID(value, args.constraints[0]),
defaultMessage: buildMessage(eachPrefix => eachPrefix + '$property must be a UUID', validationOptions),
},
},
validationOptions
);
}