stdnum/src/py/cedula.ts

Standard Number Validation

/**
 *
 * Paraguay Identity Card numbers
 *
 * CI number (Cedula de la Identidad Civil).
 *
 * The Cedula de la Identidad (CI) is issued by the National Police and is compulsory for all citizens
 *
 * The CI number is 5-7 digits.
 *
 * Sources:
 *     https://es.wikipedia.org/wiki/C%C3%A9dula_de_Identidad_(Paraguay)
 *
 * PERSON
 */

import * as exceptions from '../exceptions';
import { strings } from '../util';
import { Validator, ValidateReturn } from '../types';

function clean(input: string): ReturnType<typeof strings.cleanUnicode> {
  return strings.cleanUnicode(input, ' .-');
}

const impl: Validator = {
  name: 'Paraguay CI Number',
  localName: 'Cedula de la Identidad civil',
  abbreviation: 'CI',
  compact(input: string): string {
    const [value, err] = clean(input);

    if (err) {
      throw err;
    }

    return value;
  },

  format(input: string): string {
    const [value] = clean(input);

    return value;
  },

  /**
   * Check if the number is a valid CI.
   * This checks the length, formatting and other contraints.
   *
   */
  validate(input: string): ValidateReturn {
    const [value, error] = clean(input);

    if (error) {
      return { isValid: false, error };
    }
    if (value.length < 5 || value.length > 7) {
      return { isValid: false, error: new exceptions.InvalidLength() };
    }
    if (!strings.isdigits(value)) {
      return { isValid: false, error: new exceptions.InvalidComponent() };
    }

    return {
      isValid: true,
      compact: value,
      isIndividual: true,
      isCompany: false,
    };
  },
};

export const { name, localName, abbreviation, validate, format, compact } =
  impl;