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"use strict";
Object.defineProperty(exports, "__esModule", {
value: true
});
exports.default = isIPRange;
var _assertString = _interopRequireDefault(require("./util/assertString"));
var _isIP = _interopRequireDefault(require("./isIP"));
function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
var subnetMaybe = /^\d{1,3}$/;
var v4Subnet = 32;
var v6Subnet = 128;
function isIPRange(str) {
var version = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : '';
(0, _assertString.default)(str);
var parts = str.split('/'); // parts[0] -> ip, parts[1] -> subnet
if (parts.length !== 2) {
return false;
}
if (!subnetMaybe.test(parts[1])) {
return false;
} // Disallow preceding 0 i.e. 01, 02, ...
if (parts[1].length > 1 && parts[1].startsWith('0')) {
return false;
}
var isValidIP = (0, _isIP.default)(parts[0], version);
if (!isValidIP) {
return false;
} // Define valid subnet according to IP's version
var expectedSubnet = null;
switch (String(version)) {
case '4':
expectedSubnet = v4Subnet;
break;
case '6':
expectedSubnet = v6Subnet;
break;
default:
expectedSubnet = (0, _isIP.default)(parts[0], '6') ? v6Subnet : v4Subnet;
}
return parts[1] <= expectedSubnet && parts[1] >= 0;
}
module.exports = exports.default;
module.exports.default = exports.default;
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