class-validator-multi-lang/esm2015/decorator/number/IsNegative.js

Decorator-based property validation for classes.

import { buildMessage, ValidateBy } from '../common/ValidateBy';
import { getText } from '../../multi-lang';
export const IS_NEGATIVE = 'isNegative';
/**
 * Checks if the value is a negative number smaller than zero.
 */
export function isNegative(value) {
    return typeof value === 'number' && value < 0;
}
/**
 * Checks if the value is a negative number smaller than zero.
 */
export function IsNegative(validationOptions) {
    return ValidateBy({
        name: IS_NEGATIVE,
        validator: {
            validate: (value, args) => isNegative(value),
            defaultMessage: buildMessage(eachPrefix => eachPrefix + getText('$property must be a negative number'), validationOptions),
        },
    }, validationOptions);
}
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