65 lines
2.8 KiB
JavaScript
65 lines
2.8 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 _constants = require('./constants');
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var _encoder = require('./encoder');
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var _encoder2 = _interopRequireDefault(_encoder);
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var _Barcode2 = require('../Barcode');
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var _Barcode3 = _interopRequireDefault(_Barcode2);
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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; } // Encoding documentation:
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// https://en.wikipedia.org/wiki/EAN_5#Encoding
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var checksum = function checksum(data) {
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var result = data.split('').map(function (n) {
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return +n;
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}).reduce(function (sum, a, idx) {
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return idx % 2 ? sum + a * 9 : sum + a * 3;
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}, 0);
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return result % 10;
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};
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var EAN5 = function (_Barcode) {
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_inherits(EAN5, _Barcode);
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function EAN5(data, options) {
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_classCallCheck(this, EAN5);
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return _possibleConstructorReturn(this, (EAN5.__proto__ || Object.getPrototypeOf(EAN5)).call(this, data, options));
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}
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_createClass(EAN5, [{
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key: 'valid',
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value: function valid() {
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return this.data.search(/^[0-9]{5}$/) !== -1;
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}
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}, {
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key: 'encode',
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value: function encode() {
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var structure = _constants.EAN5_STRUCTURE[checksum(this.data)];
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return {
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data: '1011' + (0, _encoder2.default)(this.data, structure, '01'),
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text: this.text
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};
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}
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}]);
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return EAN5;
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}(_Barcode3.default);
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exports.default = EAN5;
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