boonya/react-hook-form-validation

import { VALIDATION_MESSAGES, ValidatorCommonParams, ValidatorResult, VALIDATORS } from '../types';
import { createValidatorResult } from '../helpers';
import isEmpty from 'lodash/isEmpty';

export default function create(props: ValidatorCommonParams = {}) {
    return { validator: VALIDATORS.required, ...props };
}

function check(input: unknown) {
    if (typeof input === 'number') {
        return true;
    }
    const value = typeof input === 'string' ? input.trim() : input;
    return !isEmpty(value);
}

export function isValid(input: unknown, rest: ValidatorCommonParams = {}): ValidatorResult {
    return createValidatorResult(
        check(input),
        { fail: VALIDATION_MESSAGES.required, ...rest },
        [{ input }],
    );
}