Gecko [ c.stage.kornherr.net ]

Name	Size	Permission	Date
util	[ DIR ]	drwxr-xr-x	2026-09-02 23:13
escape.js	619 B	-rw-r--r--	1985-10-26 08:15
isAfter.js	733 B	-rw-r--r--	1985-10-26 08:15
isAscii.js	551 B	-rw-r--r--	1985-10-26 08:15
isBefore.js	735 B	-rw-r--r--	1985-10-26 08:15
isCurrency.js	3.28 KB	-rw-r--r--	1985-10-26 08:15
isFQDN.js	1.68 KB	-rw-r--r--	1985-10-26 08:15
isFloat.js	1.04 KB	-rw-r--r--	1985-10-26 08:15
isHalfWidth.js	523 B	-rw-r--r--	1985-10-26 08:15
isHexadecimal.js	498 B	-rw-r--r--	1985-10-26 08:15
isIP.js	2.49 KB	-rw-r--r--	1985-10-26 08:15
isISBN.js	1.44 KB	-rw-r--r--	1985-10-26 08:15
isISIN.js	1.09 KB	-rw-r--r--	1985-10-26 08:15
isISO31661Alpha2.js	2.14 KB	-rw-r--r--	1985-10-26 08:15
isISO31661Alpha3.js	2.38 KB	-rw-r--r--	1985-10-26 08:15
isISO8601.js	1.97 KB	-rw-r--r--	1985-10-26 08:15
isISSN.js	1018 B	-rw-r--r--	1985-10-26 08:15
isJWT.js	552 B	-rw-r--r--	1985-10-26 08:15
isLatLong.js	666 B	-rw-r--r--	1985-10-26 08:15
isMD5.js	468 B	-rw-r--r--	1985-10-26 08:15
isMagnetURI.js	541 B	-rw-r--r--	1985-10-26 08:15
isMobilePhone.js	4.77 KB	-rw-r--r--	1985-10-26 08:15
isMongoId.js	561 B	-rw-r--r--	1985-10-26 08:15
isRFC3339.js	1.33 KB	-rw-r--r--	1985-10-26 08:15
isSurrogatePair.js	524 B	-rw-r--r--	1985-10-26 08:15
isUppercase.js	463 B	-rw-r--r--	1985-10-26 08:15
isWhitelisted.js	571 B	-rw-r--r--	1985-10-26 08:15
ltrim.js	534 B	-rw-r--r--	1985-10-26 08:15
matches.js	590 B	-rw-r--r--	1985-10-26 08:15
stripLow.js	642 B	-rw-r--r--	1985-10-26 08:15
toDate.js	493 B	-rw-r--r--	1985-10-26 08:15
whitelist.js	499 B	-rw-r--r--	1985-10-26 08:15

Rename

"use strict";

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

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

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

var ipv4Maybe = /^(\d{1,3})\.(\d{1,3})\.(\d{1,3})\.(\d{1,3})$/;
var ipv6Block = /^[0-9A-F]{1,4}$/i;

function isIP(str) {
  var version = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : '';
  (0, _assertString.default)(str);
  version = String(version);

if (!version) {
    return isIP(str, 4) || isIP(str, 6);
  } else if (version === '4') {
    if (!ipv4Maybe.test(str)) {
      return false;
    }

var parts = str.split('.').sort(function (a, b) {
      return a - b;
    });
    return parts[3] <= 255;
  } else if (version === '6') {
    var blocks = str.split(':');
    var foundOmissionBlock = false; // marker to indicate ::
    // At least some OS accept the last 32 bits of an IPv6 address
    // (i.e. 2 of the blocks) in IPv4 notation, and RFC 3493 says
    // that '::ffff:a.b.c.d' is valid for IPv4-mapped IPv6 addresses,
    // and '::a.b.c.d' is deprecated, but also valid.

var foundIPv4TransitionBlock = isIP(blocks[blocks.length - 1], 4);
    var expectedNumberOfBlocks = foundIPv4TransitionBlock ? 7 : 8;

if (blocks.length > expectedNumberOfBlocks) {
      return false;
    } // initial or final ::

if (str === '::') {
      return true;
    } else if (str.substr(0, 2) === '::') {
      blocks.shift();
      blocks.shift();
      foundOmissionBlock = true;
    } else if (str.substr(str.length - 2) === '::') {
      blocks.pop();
      blocks.pop();
      foundOmissionBlock = true;
    }

for (var i = 0; i < blocks.length; ++i) {
      // test for a :: which can not be at the string start/end
      // since those cases have been handled above
      if (blocks[i] === '' && i > 0 && i < blocks.length - 1) {
        if (foundOmissionBlock) {
          return false; // multiple :: in address
        }

foundOmissionBlock = true;
      } else if (foundIPv4TransitionBlock && i === blocks.length - 1) {// it has been checked before that the last
        // block is a valid IPv4 address
      } else if (!ipv6Block.test(blocks[i])) {
        return false;
      }
    }

if (foundOmissionBlock) {
      return blocks.length >= 1;
    }

return blocks.length === expectedNumberOfBlocks;
  }

return false;
}

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