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245
components/Jnpf/Barcode/tki-barcode/barcodes/EAN_UPC/UPCE.js
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245
components/Jnpf/Barcode/tki-barcode/barcodes/EAN_UPC/UPCE.js
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'use strict';
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var _createClass = function() {
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function defineProperties(target, props) {
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for (var i = 0; i < props.length; i++) {
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var descriptor = props[i];
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descriptor.enumerable = descriptor.enumerable || false;
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descriptor.configurable = true;
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if ("value" in descriptor) descriptor.writable = true;
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Object.defineProperty(target, descriptor.key, descriptor);
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}
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}
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return function(Constructor, protoProps, staticProps) {
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if (protoProps) defineProperties(Constructor.prototype, protoProps);
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if (staticProps) defineProperties(Constructor, staticProps);
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return Constructor;
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};
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}();
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import _encoder2 from './encoder'
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import _Barcode3 from '../Barcode.js'
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import _UPC from './UPC.js'
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function _interopRequireDefault(obj) {
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return obj && obj.__esModule ? obj : {
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default: obj
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};
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}
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function _classCallCheck(instance, Constructor) {
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if (!(instance instanceof Constructor)) {
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throw new TypeError("Cannot call a class as a function");
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}
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}
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function _possibleConstructorReturn(self, call) {
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if (!self) {
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throw new ReferenceError("this hasn't been initialised - super() hasn't been called");
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}
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return call && (typeof call === "object" || typeof call === "function") ? call : self;
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}
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function _inherits(subClass, superClass) {
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if (typeof superClass !== "function" && superClass !== null) {
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throw new TypeError("Super expression must either be null or a function, not " + typeof superClass);
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}
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subClass.prototype = Object.create(superClass && superClass.prototype, {
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constructor: {
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value: subClass,
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enumerable: false,
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writable: true,
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configurable: true
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}
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});
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if (superClass) Object.setPrototypeOf ? Object.setPrototypeOf(subClass, superClass) : subClass.__proto__ =
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superClass;
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} // Encoding documentation:
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// https://en.wikipedia.org/wiki/Universal_Product_Code#Encoding
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//
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// UPC-E documentation:
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// https://en.wikipedia.org/wiki/Universal_Product_Code#UPC-E
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var EXPANSIONS = ["XX00000XXX", "XX10000XXX", "XX20000XXX", "XXX00000XX", "XXXX00000X", "XXXXX00005", "XXXXX00006",
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"XXXXX00007", "XXXXX00008", "XXXXX00009"
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];
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var PARITIES = [
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["EEEOOO", "OOOEEE"],
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["EEOEOO", "OOEOEE"],
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["EEOOEO", "OOEEOE"],
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["EEOOOE", "OOEEEO"],
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["EOEEOO", "OEOOEE"],
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["EOOEEO", "OEEOOE"],
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["EOOOEE", "OEEEOO"],
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["EOEOEO", "OEOEOE"],
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["EOEOOE", "OEOEEO"],
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["EOOEOE", "OEEOEO"]
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];
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var UPCE = function(_Barcode) {
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_inherits(UPCE, _Barcode);
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function UPCE(data, options) {
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_classCallCheck(this, UPCE);
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var _this = _possibleConstructorReturn(this, (UPCE.__proto__ || Object.getPrototypeOf(UPCE)).call(this,
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data, options));
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// Code may be 6 or 8 digits;
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// A 7 digit code is ambiguous as to whether the extra digit
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// is a UPC-A check or number system digit.
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_this.isValid = false;
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if (data.search(/^[0-9]{6}$/) !== -1) {
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_this.middleDigits = data;
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_this.upcA = expandToUPCA(data, "0");
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_this.text = options.text || '' + _this.upcA[0] + data + _this.upcA[_this.upcA.length - 1];
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_this.isValid = true;
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} else if (data.search(/^[01][0-9]{7}$/) !== -1) {
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_this.middleDigits = data.substring(1, data.length - 1);
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_this.upcA = expandToUPCA(_this.middleDigits, data[0]);
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if (_this.upcA[_this.upcA.length - 1] === data[data.length - 1]) {
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_this.isValid = true;
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} else {
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// checksum mismatch
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return _possibleConstructorReturn(_this);
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}
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} else {
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return _possibleConstructorReturn(_this);
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}
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_this.displayValue = options.displayValue;
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// Make sure the font is not bigger than the space between the guard bars
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if (options.fontSize > options.width * 10) {
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_this.fontSize = options.width * 10;
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} else {
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_this.fontSize = options.fontSize;
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}
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// Make the guard bars go down half the way of the text
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_this.guardHeight = options.height + _this.fontSize / 2 + options.textMargin;
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return _this;
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}
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_createClass(UPCE, [{
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key: 'valid',
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value: function valid() {
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return this.isValid;
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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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if (this.options.flat) {
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return this.flatEncoding();
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} else {
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return this.guardedEncoding();
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}
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}
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}, {
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key: 'flatEncoding',
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value: function flatEncoding() {
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var result = "";
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result += "101";
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result += this.encodeMiddleDigits();
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result += "010101";
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return {
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data: result,
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text: this.text
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};
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}
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}, {
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key: 'guardedEncoding',
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value: function guardedEncoding() {
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var result = [];
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// Add the UPC-A number system digit beneath the quiet zone
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if (this.displayValue) {
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result.push({
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data: "00000000",
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text: this.text[0],
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options: {
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textAlign: "left",
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fontSize: this.fontSize
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}
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});
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}
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// Add the guard bars
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result.push({
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data: "101",
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options: {
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height: this.guardHeight
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}
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});
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// Add the 6 UPC-E digits
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result.push({
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data: this.encodeMiddleDigits(),
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text: this.text.substring(1, 7),
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options: {
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fontSize: this.fontSize
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}
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});
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// Add the end bits
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result.push({
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data: "010101",
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options: {
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height: this.guardHeight
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}
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});
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// Add the UPC-A check digit beneath the quiet zone
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if (this.displayValue) {
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result.push({
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data: "00000000",
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text: this.text[7],
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options: {
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textAlign: "right",
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fontSize: this.fontSize
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}
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});
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}
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return result;
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}
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}, {
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key: 'encodeMiddleDigits',
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value: function encodeMiddleDigits() {
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var numberSystem = this.upcA[0];
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var checkDigit = this.upcA[this.upcA.length - 1];
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var parity = PARITIES[parseInt(checkDigit)][parseInt(numberSystem)];
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return (0, _encoder2)(this.middleDigits, parity);
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}
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}]);
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return UPCE;
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}(_Barcode3);
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function expandToUPCA(middleDigits, numberSystem) {
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var lastUpcE = parseInt(middleDigits[middleDigits.length - 1]);
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var expansion = EXPANSIONS[lastUpcE];
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var result = "";
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var digitIndex = 0;
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for (var i = 0; i < expansion.length; i++) {
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var c = expansion[i];
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if (c === 'X') {
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result += middleDigits[digitIndex++];
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} else {
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result += c;
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}
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}
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result = '' + numberSystem + result;
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return '' + result + (0, _UPC.checksum)(result);
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}
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export default UPCE;
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