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PATH: opt / bitninja-dispatcher / node_modules / validator / lib

"use strict";

Object.defineProperty(exports, "__esModule", {
  value: true
});
exports.default = isEAN;

var _assertString = _interopRequireDefault(require("./util/assertString"));

function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }

/**
 * The most commonly used EAN standard is
 * the thirteen-digit EAN-13, while the
 * less commonly used 8-digit EAN-8 barcode was
 * introduced for use on small packages.
 * Also EAN/UCC-14 is used for Grouping of individual
 * trade items above unit level(Intermediate, Carton or Pallet).
 * For more info about EAN-14 checkout: https://www.gtin.info/itf-14-barcodes/
 * EAN consists of:
 * GS1 prefix, manufacturer code, product code and check digit
 * Reference: https://en.wikipedia.org/wiki/International_Article_Number
 * Reference: https://www.gtin.info/
 */

/**
 * Define EAN Lenghts; 8 for EAN-8; 13 for EAN-13; 14 for EAN-14
 * and Regular Expression for valid EANs (EAN-8, EAN-13, EAN-14),
 * with exact numberic matching of 8 or 13 or 14 digits [0-9]
 */
var LENGTH_EAN_8 = 8;
var LENGTH_EAN_14 = 14;
var validEanRegex = /^(\d{8}|\d{13}|\d{14})$/;
/**
 * Get position weight given:
 * EAN length and digit index/position
 *
 * @param {number} length
 * @param {number} index
 * @return {number}
 */

function getPositionWeightThroughLengthAndIndex(length, index) {
  if (length === LENGTH_EAN_8 || length === LENGTH_EAN_14) {
    return index % 2 === 0 ? 3 : 1;
  }

return index % 2 === 0 ? 1 : 3;
}
/**
 * Calculate EAN Check Digit
 * Reference: https://en.wikipedia.org/wiki/International_Article_Number#Calculation_of_checksum_digit
 *
 * @param {string} ean
 * @return {number}
 */

function isEAN(str) {
  (0, _assertString.default)(str);
  var actualCheckDigit = Number(str.slice(-1));
  return validEanRegex.test(str) && actualCheckDigit === calculateCheckDigit(str);
}

module.exports = exports.default;
module.exports.default = exports.default;

[-] isISO31661Alpha3.js [edit]
[-] isBtcAddress.js [edit]
[-] isBoolean.js [edit]
[-] isHexColor.js [edit]
[-] equals.js [edit]
[-] isUppercase.js [edit]
[-] isLocale.js [edit]
[-] toInt.js [edit]
[-] toDate.js [edit]
[-] isIn.js [edit]
[-] isDivisibleBy.js [edit]
[-] isEthereumAddress.js [edit]
[-] isMagnetURI.js [edit]
[-] toBoolean.js [edit]
[-] isHexadecimal.js [edit]
[-] isVAT.js [edit]
[-] isHSL.js [edit]
[+] ..
[-] isMobilePhone.js [edit]
[-] isMD5.js [edit]
[-] stripLow.js [edit]
[-] contains.js [edit]
[-] isMimeType.js [edit]
[-] isIdentityCard.js [edit]
[-] blacklist.js [edit]
[-] isJSON.js [edit]
[-] isHash.js [edit]
[-] isPassportNumber.js [edit]
[-] isURL.js [edit]
[-] isISO31661Alpha2.js [edit]
[-] toFloat.js [edit]
[-] isNumeric.js [edit]
[-] isVariableWidth.js [edit]
[-] isUUID.js [edit]
[-] isBIC.js [edit]
[-] isDate.js [edit]
[-] isIPRange.js [edit]
[-] isStrongPassword.js [edit]
[-] unescape.js [edit]
[-] isISRC.js [edit]
[-] isSemVer.js [edit]
[-] isInt.js [edit]
[-] isEAN.js [edit]
[-] alpha.js [edit]
[-] isISSN.js [edit]
[-] rtrim.js [edit]
[-] isPostalCode.js [edit]
[-] isSurrogatePair.js [edit]
[-] isMongoId.js [edit]
[-] isBase58.js [edit]
[-] isCreditCard.js [edit]
[-] isIMEI.js [edit]
[-] isFullWidth.js [edit]
[-] isISO8601.js [edit]
[-] isBase64.js [edit]
[-] isHalfWidth.js [edit]
[-] isIBAN.js [edit]
[-] isByteLength.js [edit]
[-] isDataURI.js [edit]
[-] isAfter.js [edit]
[-] isISIN.js [edit]
[-] normalizeEmail.js [edit]
[-] isAlpha.js [edit]
[-] isBefore.js [edit]
[+] util
[-] isCurrency.js [edit]
[-] isRFC3339.js [edit]
[-] isJWT.js [edit]
[-] isWhitelisted.js [edit]
[-] isMACAddress.js [edit]
[-] isISO4217.js [edit]
[-] isOctal.js [edit]
[-] ltrim.js [edit]
[-] isLength.js [edit]
[-] whitelist.js [edit]
[-] isDecimal.js [edit]
[-] isRgbColor.js [edit]
[-] isLatLong.js [edit]
[-] isPort.js [edit]
[-] isMultibyte.js [edit]
[-] matches.js [edit]
[-] isTaxID.js [edit]
[-] isBase32.js [edit]
[-] trim.js [edit]
[-] isAlphanumeric.js [edit]
[-] isAscii.js [edit]
[-] isSlug.js [edit]
[-] isEmpty.js [edit]
[-] escape.js [edit]
[-] isEmail.js [edit]
[-] isLowercase.js [edit]
[-] isFloat.js [edit]
[-] isISBN.js [edit]
[-] isIP.js [edit]
[-] isFQDN.js [edit]
[-] isLicensePlate.js [edit]