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Dir : ~/var/www/invoice/node_modules/.bin/EAN_UPC/
View File Name : EAN8.js

'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 _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:
// http://www.barcodeisland.com/ean8.phtml

// Calculate the checksum digit
var checksum = function checksum(number) {
	var res = number.substr(0, 7).split('').map(function (n) {
		return +n;
	}).reduce(function (sum, a, idx) {
		return idx % 2 ? sum + a : sum + a * 3;
	}, 0);

	return (10 - res % 10) % 10;
};

var EAN8 = function (_EAN) {
	_inherits(EAN8, _EAN);

	function EAN8(data, options) {
		_classCallCheck(this, EAN8);

		// Add checksum if it does not exist
		if (data.search(/^[0-9]{7}$/) !== -1) {
			data += checksum(data);
		}

		return _possibleConstructorReturn(this, (EAN8.__proto__ || Object.getPrototypeOf(EAN8)).call(this, data, options));
	}

	_createClass(EAN8, [{
		key: 'valid',
		value: function valid() {
			return this.data.search(/^[0-9]{8}$/) !== -1 && +this.data[7] === checksum(this.data);
		}
	}, {
		key: 'leftText',
		value: function leftText() {
			return _get(EAN8.prototype.__proto__ || Object.getPrototypeOf(EAN8.prototype), 'leftText', this).call(this, 0, 4);
		}
	}, {
		key: 'leftEncode',
		value: function leftEncode() {
			var data = this.data.substr(0, 4);
			return _get(EAN8.prototype.__proto__ || Object.getPrototypeOf(EAN8.prototype), 'leftEncode', this).call(this, data, 'LLLL');
		}
	}, {
		key: 'rightText',
		value: function rightText() {
			return _get(EAN8.prototype.__proto__ || Object.getPrototypeOf(EAN8.prototype), 'rightText', this).call(this, 4, 4);
		}
	}, {
		key: 'rightEncode',
		value: function rightEncode() {
			var data = this.data.substr(4, 4);
			return _get(EAN8.prototype.__proto__ || Object.getPrototypeOf(EAN8.prototype), 'rightEncode', this).call(this, data, 'RRRR');
		}
	}]);

	return EAN8;
}(_EAN3.default);

exports.default = EAN8;