class-validator
Version:
Decorator-based property validation for classes.
25 lines • 1.13 kB
JavaScript
import { buildMessage, ValidateBy } from '../common/ValidateBy';
import isByteLengthValidator from 'validator/lib/isByteLength';
export var IS_BYTE_LENGTH = 'isByteLength';
/**
* Checks if the string's length (in bytes) falls in a range.
* If given value is not a string, then it returns false.
*/
export function isByteLength(value, min, max) {
return typeof value === 'string' && isByteLengthValidator(value, { min: min, max: max });
}
/**
* Checks if the string's length (in bytes) falls in a range.
* If given value is not a string, then it returns false.
*/
export function IsByteLength(min, max, validationOptions) {
return ValidateBy({
name: IS_BYTE_LENGTH,
constraints: [min, max],
validator: {
validate: function (value, args) { return isByteLength(value, args.constraints[0], args.constraints[1]); },
defaultMessage: buildMessage(function (eachPrefix) { return eachPrefix + "$property's byte length must fall into ($constraint1, $constraint2) range"; }, validationOptions),
},
}, validationOptions);
}
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