55 lines
2.5 KiB
JavaScript
55 lines
2.5 KiB
JavaScript
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'use strict';
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Object.defineProperty(exports, "__esModule", {
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value: true
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});
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var _createClass = function () { function defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ("value" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } } return function (Constructor, protoProps, staticProps) { if (protoProps) defineProperties(Constructor.prototype, protoProps); if (staticProps) defineProperties(Constructor, staticProps); return Constructor; }; }();
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var _ITF2 = require('./ITF');
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var _ITF3 = _interopRequireDefault(_ITF2);
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function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
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function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }
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function _possibleConstructorReturn(self, call) { if (!self) { throw new ReferenceError("this hasn't been initialised - super() hasn't been called"); } return call && (typeof call === "object" || typeof call === "function") ? call : self; }
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function _inherits(subClass, superClass) { if (typeof superClass !== "function" && superClass !== null) { throw new TypeError("Super expression must either be null or a function, not " + typeof superClass); } subClass.prototype = Object.create(superClass && superClass.prototype, { constructor: { value: subClass, enumerable: false, writable: true, configurable: true } }); if (superClass) Object.setPrototypeOf ? Object.setPrototypeOf(subClass, superClass) : subClass.__proto__ = superClass; }
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// Calculate the checksum digit
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var checksum = function checksum(data) {
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var res = data.substr(0, 13).split('').map(function (num) {
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return parseInt(num, 10);
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}).reduce(function (sum, n, idx) {
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return sum + n * (3 - idx % 2 * 2);
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}, 0);
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return Math.ceil(res / 10) * 10 - res;
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};
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var ITF14 = function (_ITF) {
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_inherits(ITF14, _ITF);
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function ITF14(data, options) {
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_classCallCheck(this, ITF14);
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// Add checksum if it does not exist
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if (data.search(/^[0-9]{13}$/) !== -1) {
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data += checksum(data);
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}
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return _possibleConstructorReturn(this, (ITF14.__proto__ || Object.getPrototypeOf(ITF14)).call(this, data, options));
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}
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_createClass(ITF14, [{
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key: 'valid',
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value: function valid() {
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return this.data.search(/^[0-9]{14}$/) !== -1 && +this.data[13] === checksum(this.data);
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}
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}]);
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return ITF14;
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}(_ITF3.default);
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exports.default = ITF14;
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