class-validator
Version:
Decorator-based property validation for classes.
25 lines • 1 kB
JavaScript
import { buildMessage, ValidateBy } from '../common/ValidateBy';
import isDecimalValidator from 'validator/lib/isDecimal';
export var IS_DECIMAL = 'isDecimal';
/**
* Checks if the string is a valid decimal.
* If given value is not a string, then it returns false.
*/
export function isDecimal(value, options) {
return typeof value === 'string' && isDecimalValidator(value, options);
}
/**
* Checks if the string contains only letters and numbers.
* If given value is not a string, then it returns false.
*/
export function IsDecimal(options, validationOptions) {
return ValidateBy({
name: IS_DECIMAL,
constraints: [options],
validator: {
validate: function (value, args) { return isDecimal(value, args.constraints[0]); },
defaultMessage: buildMessage(function (eachPrefix) { return eachPrefix + '$property is not a valid decimal number.'; }, validationOptions),
},
}, validationOptions);
}
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