| 123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117118119 | 'use strict';Object.defineProperty(exports, "__esModule", {	value: true});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; }; }();var _get = function get(object, property, receiver) { if (object === null) object = Function.prototype; var desc = Object.getOwnPropertyDescriptor(object, property); if (desc === undefined) { var parent = Object.getPrototypeOf(object); if (parent === null) { return undefined; } else { return get(parent, property, receiver); } } else if ("value" in desc) { return desc.value; } else { var getter = desc.get; if (getter === undefined) { return undefined; } return getter.call(receiver); } };var _constants = require('./constants');var _EAN2 = require('./EAN');var _EAN3 = _interopRequireDefault(_EAN2);function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }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; }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:// https://en.wikipedia.org/wiki/International_Article_Number_(EAN)#Binary_encoding_of_data_digits_into_EAN-13_barcode// Calculate the checksum digit// https://en.wikipedia.org/wiki/International_Article_Number_(EAN)#Calculation_of_checksum_digitvar checksum = function checksum(number) {	var res = number.substr(0, 12).split('').map(function (n) {		return +n;	}).reduce(function (sum, a, idx) {		return idx % 2 ? sum + a * 3 : sum + a;	}, 0);	return (10 - res % 10) % 10;};var EAN13 = function (_EAN) {	_inherits(EAN13, _EAN);	function EAN13(data, options) {		_classCallCheck(this, EAN13);		// Add checksum if it does not exist		if (data.search(/^[0-9]{12}$/) !== -1) {			data += checksum(data);		}		// Adds a last character to the end of the barcode		var _this = _possibleConstructorReturn(this, (EAN13.__proto__ || Object.getPrototypeOf(EAN13)).call(this, data, options));		_this.lastChar = options.lastChar;		return _this;	}	_createClass(EAN13, [{		key: 'valid',		value: function valid() {			return this.data.search(/^[0-9]{13}$/) !== -1 && +this.data[12] === checksum(this.data);		}	}, {		key: 'leftText',		value: function leftText() {			return _get(EAN13.prototype.__proto__ || Object.getPrototypeOf(EAN13.prototype), 'leftText', this).call(this, 1, 6);		}	}, {		key: 'leftEncode',		value: function leftEncode() {			var data = this.data.substr(1, 6);			var structure = _constants.EAN13_STRUCTURE[this.data[0]];			return _get(EAN13.prototype.__proto__ || Object.getPrototypeOf(EAN13.prototype), 'leftEncode', this).call(this, data, structure);		}	}, {		key: 'rightText',		value: function rightText() {			return _get(EAN13.prototype.__proto__ || Object.getPrototypeOf(EAN13.prototype), 'rightText', this).call(this, 7, 6);		}	}, {		key: 'rightEncode',		value: function rightEncode() {			var data = this.data.substr(7, 6);			return _get(EAN13.prototype.__proto__ || Object.getPrototypeOf(EAN13.prototype), 'rightEncode', this).call(this, data, 'RRRRRR');		}		// The "standard" way of printing EAN13 barcodes with guard bars	}, {		key: 'encodeGuarded',		value: function encodeGuarded() {			var data = _get(EAN13.prototype.__proto__ || Object.getPrototypeOf(EAN13.prototype), 'encodeGuarded', this).call(this);			// Extend data with left digit & last character			if (this.options.displayValue) {				data.unshift({					data: '000000000000',					text: this.text.substr(0, 1),					options: { textAlign: 'left', fontSize: this.fontSize }				});				if (this.options.lastChar) {					data.push({						data: '00'					});					data.push({						data: '00000',						text: this.options.lastChar,						options: { fontSize: this.fontSize }					});				}			}			return data;		}	}]);	return EAN13;}(_EAN3.default);exports.default = EAN13;
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