ITF.js 2.8 KB

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  1. 'use strict';
  2. Object.defineProperty(exports, "__esModule", {
  3. value: true
  4. });
  5. 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; }; }();
  6. var _constants = require('./constants');
  7. var _Barcode2 = require('../Barcode');
  8. var _Barcode3 = _interopRequireDefault(_Barcode2);
  9. function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
  10. function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }
  11. 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; }
  12. 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; }
  13. var ITF = function (_Barcode) {
  14. _inherits(ITF, _Barcode);
  15. function ITF() {
  16. _classCallCheck(this, ITF);
  17. return _possibleConstructorReturn(this, (ITF.__proto__ || Object.getPrototypeOf(ITF)).apply(this, arguments));
  18. }
  19. _createClass(ITF, [{
  20. key: 'valid',
  21. value: function valid() {
  22. return this.data.search(/^([0-9]{2})+$/) !== -1;
  23. }
  24. }, {
  25. key: 'encode',
  26. value: function encode() {
  27. var _this2 = this;
  28. // Calculate all the digit pairs
  29. var encoded = this.data.match(/.{2}/g).map(function (pair) {
  30. return _this2.encodePair(pair);
  31. }).join('');
  32. return {
  33. data: _constants.START_BIN + encoded + _constants.END_BIN,
  34. text: this.text
  35. };
  36. }
  37. // Calculate the data of a number pair
  38. }, {
  39. key: 'encodePair',
  40. value: function encodePair(pair) {
  41. var second = _constants.BINARIES[pair[1]];
  42. return _constants.BINARIES[pair[0]].split('').map(function (first, idx) {
  43. return (first === '1' ? '111' : '1') + (second[idx] === '1' ? '000' : '0');
  44. }).join('');
  45. }
  46. }]);
  47. return ITF;
  48. }(_Barcode3.default);
  49. exports.default = ITF;