class-validator-multi-lang/esm2015/decorator/string/IsAlpha.js

Decorator-based property validation for classes.

import { buildMessage, ValidateBy } from '../common/ValidateBy';
import isAlphaValidator from 'validator/lib/isAlpha';
import { getText } from '../../multi-lang';
export const IS_ALPHA = 'isAlpha';
/**
 * Checks if the string contains only letters (a-zA-Z).
 * If given value is not a string, then it returns false.
 */
export function isAlpha(value, locale) {
    return typeof value === 'string' && isAlphaValidator(value, locale);
}
/**
 * Checks if the string contains only letters (a-zA-Z).
 * If given value is not a string, then it returns false.
 */
export function IsAlpha(locale, validationOptions) {
    return ValidateBy({
        name: IS_ALPHA,
        constraints: [locale],
        validator: {
            validate: (value, args) => isAlpha(value, args === null || args === void 0 ? void 0 : args.constraints[0]),
            defaultMessage: buildMessage(eachPrefix => eachPrefix + getText('$property must contain only letters (a-zA-Z)'), validationOptions),
        },
    }, validationOptions);
}
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