jnpf_app/components/Jnpf/Barcode/tki-barcode/barcodes/EAN_UPC/UPC.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;
	};
}();

import _encoder2 from './encoder'

import _Barcode3 from '../Barcode.js'

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/Universal_Product_Code#Encoding

var UPC = function(_Barcode) {


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

		// Add checksum if it does not exist
		if (data.search(/^[0-9]{11}$/) !== -1) {
			data += checksum(data);
		}

		var _this = _possibleConstructorReturn(this, (UPC.__proto__ || Object.getPrototypeOf(UPC)).call(this, data,
			options));

		_this.displayValue = options.displayValue;

		// Make sure the font is not bigger than the space between the guard bars
		if (options.fontSize > options.width * 10) {
			_this.fontSize = options.width * 10;
		} else {
			_this.fontSize = options.fontSize;
		}

		// Make the guard bars go down half the way of the text
		_this.guardHeight = options.height + _this.fontSize / 2 + options.textMargin;
		return _this;
	}

	_createClass(UPC, [{
		key: "valid",
		value: function valid() {
			return this.data.search(/^[0-9]{12}$/) !== -1 && this.data[11] == checksum(this.data);
		}
	}, {
		key: "encode",
		value: function encode() {
			if (this.options.flat) {
				return this.flatEncoding();
			} else {
				return this.guardedEncoding();
			}
		}
	}, {
		key: "flatEncoding",
		value: function flatEncoding() {
			var result = "";

			result += "101";
			result += (0, _encoder2)(this.data.substr(0, 6), "LLLLLL");
			result += "01010";
			result += (0, _encoder2)(this.data.substr(6, 6), "RRRRRR");
			result += "101";

			return {
				data: result,
				text: this.text
			};
		}
	}, {
		key: "guardedEncoding",
		value: function guardedEncoding() {
			var result = [];

			// Add the first digit
			if (this.displayValue) {
				result.push({
					data: "00000000",
					text: this.text.substr(0, 1),
					options: {
						textAlign: "left",
						fontSize: this.fontSize
					}
				});
			}

			// Add the guard bars
			result.push({
				data: "101" + (0, _encoder2)(this.data[0], "L"),
				options: {
					height: this.guardHeight
				}
			});

			// Add the left side
			result.push({
				data: (0, _encoder2)(this.data.substr(1, 5), "LLLLL"),
				text: this.text.substr(1, 5),
				options: {
					fontSize: this.fontSize
				}
			});

			// Add the middle bits
			result.push({
				data: "01010",
				options: {
					height: this.guardHeight
				}
			});

			// Add the right side
			result.push({
				data: (0, _encoder2)(this.data.substr(6, 5), "RRRRR"),
				text: this.text.substr(6, 5),
				options: {
					fontSize: this.fontSize
				}
			});

			// Add the end bits
			result.push({
				data: (0, _encoder2)(this.data[11], "R") + "101",
				options: {
					height: this.guardHeight
				}
			});

			// Add the last digit
			if (this.displayValue) {
				result.push({
					data: "00000000",
					text: this.text.substr(11, 1),
					options: {
						textAlign: "right",
						fontSize: this.fontSize
					}
				});
			}

			return result;
		}
	}]);

	return UPC;
}(_Barcode3);

// Calulate the checksum digit
// https://en.wikipedia.org/wiki/International_Article_Number_(EAN)#Calculation_of_checksum_digit


function checksum(number) {
	var result = 0;

	var i;
	for (i = 1; i < 11; i += 2) {
		result += parseInt(number[i]);
	}
	for (i = 0; i < 11; i += 2) {
		result += parseInt(number[i]) * 3;
	}

	return (10 - result % 10) % 10;
}
export default {
	UPC,
	checksum
};