polish-validators/dist/esm/doctor.js

A set of validator functions that check common polish numbers.

const DOCTOR_REGEX = /^[1-9]\d{6}$/;
/**
 * Validates a doctor's identifier in Poland, ensuring it has 7 digits and passes a
 * checksum validation. Any characters other than digits will result in the identifier
 * being invalid.
 *
 * @param {string} number - The doctor's identification number as a string.
 * @returns {boolean} `true` if the doctor's number is valid; `false` otherwise.
 */
export function isDoctorNumberValid(number) {
    if (!DOCTOR_REGEX.test(number)) {
        return false;
    }
    let checkSum = 0;
    for (let i = 1; i <= 6; i++) {
        checkSum += parseInt(number[i]) * i;
    }
    return checkSum % 11 !== parseInt(number[0]);
}
/**
 * Validates a doctor's identifier in Poland, ensuring it has 7 digits and passes a
 * checksum validation. Any characters other than digits will result in the identifier
 * being invalid.
 *
 * @param {string} number - The doctor's identification number as a string.
 * @returns {boolean} `true` if the doctor's number is invalid; `false` otherwise.
 */
export const isDoctorNumberInvalid = (number) => !isDoctorNumberValid(number);