Función para extraer los datos del codigo de barras PDF417 de una cedula colombiana.

extraerCedulaColombiana.js

import moment from 'moment';
import { capitalize } from './helpers';


// Data comes directly from react-native-camera onGoogleVisionBarcodesDetected method
export function extractColDocumentData(data) {
  const dataArray = data.barcodes[0].data.replace(/[^A-Za-z0-9+]+/g, ' ').split(' ');

  let indexMod = 0;
  let idNumber;
  let lastName1;

  // Is old document
  if (/[A-Z]/g.test(dataArray[3])) {
    indexMod = - 1;

    const idString = dataArray[3].replace(/[A-Z]/g, '');
    idNumber = idString.substring(10, idString.length);
    lastName1 = capitalize(dataArray[3].replace(/[0-9]/g, ''));
  } else {
    idNumber = dataArray[4].replace(/[A-Z]/g, '');
    lastName1 = capitalize(dataArray[4].replace(/[0-9]/g, ''));
  }

  const lastName2 = capitalize(dataArray[5 + indexMod].replace(/\W/g, ''));
  const firstName1 = capitalize(dataArray[6 + indexMod].replace(/\W/g, ''));
  let middleName;

  if (!(/[0-9]/g.test(dataArray[7 + indexMod]))) {
    middleName = capitalize(dataArray[7 + indexMod]);
  }

  const extraData = dataArray[middleName ? 8 + indexMod : 7 + indexMod];

  const gender = extraData.includes('M') ? 'MALE' : 'FEMALE';
  const birthDate = moment(extraData.substr(2, 10), 'YYYYMMDD');
  const bloodType = extraData.substr(-2);

  return {
    idNumber,
    lastName1,
    lastName2,
    firstName1,
    middleName,
    gender,
    birthDate,
    bloodType,
    fullName: `${firstName1} ${middleName || ''} ${lastName1} ${lastName2 || ''}`,
  };
}