jnpf_app/components/Jnpf/Barcode/tki-barcode/barcodes/EAN_UPC/EAN13.js

'use strict';


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);
	}
};

import _constants from './constants'

import _EAN3 from './EAN'

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_digit
var 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);

export default EAN13;