VLEX/BPM-UI/node_modules/exceljs/dist/es5/stream/xlsx/workbook-reader.js

"use strict";

function _typeof(obj) { "@babel/helpers - typeof"; if (typeof Symbol === "function" && typeof Symbol.iterator === "symbol") { _typeof = function _typeof(obj) { return typeof obj; }; } else { _typeof = function _typeof(obj) { return obj && typeof Symbol === "function" && obj.constructor === Symbol && obj !== Symbol.prototype ? "symbol" : typeof obj; }; } return _typeof(obj); }

function _createForOfIteratorHelper(o, allowArrayLike) { var it; if (typeof Symbol === "undefined" || o[Symbol.iterator] == null) { if (Array.isArray(o) || (it = _unsupportedIterableToArray(o)) || allowArrayLike && o && typeof o.length === "number") { if (it) o = it; var i = 0; var F = function F() {}; return { s: F, n: function n() { if (i >= o.length) return { done: true }; return { done: false, value: o[i++] }; }, e: function e(_e) { throw _e; }, f: F }; } throw new TypeError("Invalid attempt to iterate non-iterable instance.\nIn order to be iterable, non-array objects must have a [Symbol.iterator]() method."); } var normalCompletion = true, didErr = false, err; return { s: function s() { it = o[Symbol.iterator](); }, n: function n() { var step = it.next(); normalCompletion = step.done; return step; }, e: function e(_e2) { didErr = true; err = _e2; }, f: function f() { try { if (!normalCompletion && it.return != null) it.return(); } finally { if (didErr) throw err; } } }; }

function _unsupportedIterableToArray(o, minLen) { if (!o) return; if (typeof o === "string") return _arrayLikeToArray(o, minLen); var n = Object.prototype.toString.call(o).slice(8, -1); if (n === "Object" && o.constructor) n = o.constructor.name; if (n === "Map" || n === "Set") return Array.from(o); if (n === "Arguments" || /^(?:Ui|I)nt(?:8|16|32)(?:Clamped)?Array$/.test(n)) return _arrayLikeToArray(o, minLen); }

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function asyncGeneratorStep(gen, resolve, reject, _next, _throw, key, arg) { try { var info = gen[key](arg); var value = info.value; } catch (error) { reject(error); return; } if (info.done) { resolve(value); } else { Promise.resolve(value).then(_next, _throw); } }

function _asyncToGenerator(fn) { return function () { var self = this, args = arguments; return new Promise(function (resolve, reject) { var gen = fn.apply(self, args); function _next(value) { asyncGeneratorStep(gen, resolve, reject, _next, _throw, "next", value); } function _throw(err) { asyncGeneratorStep(gen, resolve, reject, _next, _throw, "throw", err); } _next(undefined); }); }; }

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function _objectSpread(target) { for (var i = 1; i < arguments.length; i++) { var source = arguments[i] != null ? arguments[i] : {}; if (i % 2) { ownKeys(Object(source), true).forEach(function (key) { _defineProperty(target, key, source[key]); }); } else if (Object.getOwnPropertyDescriptors) { Object.defineProperties(target, Object.getOwnPropertyDescriptors(source)); } else { ownKeys(Object(source)).forEach(function (key) { Object.defineProperty(target, key, Object.getOwnPropertyDescriptor(source, key)); }); } } return target; }

function _defineProperty(obj, key, value) { if (key in obj) { Object.defineProperty(obj, key, { value: value, enumerable: true, configurable: true, writable: true }); } else { obj[key] = value; } return obj; }

function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a 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); } }

function _createClass(Constructor, protoProps, staticProps) { if (protoProps) _defineProperties(Constructor.prototype, protoProps); if (staticProps) _defineProperties(Constructor, staticProps); return Constructor; }

function _inherits(subClass, superClass) { if (typeof superClass !== "function" && superClass !== null) { throw new TypeError("Super expression must either be null or a function"); } subClass.prototype = Object.create(superClass && superClass.prototype, { constructor: { value: subClass, writable: true, configurable: true } }); if (superClass) _setPrototypeOf(subClass, superClass); }

function _setPrototypeOf(o, p) { _setPrototypeOf = Object.setPrototypeOf || function _setPrototypeOf(o, p) { o.__proto__ = p; return o; }; return _setPrototypeOf(o, p); }

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function _possibleConstructorReturn(self, call) { if (call && (_typeof(call) === "object" || typeof call === "function")) { return call; } return _assertThisInitialized(self); }

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_AsyncGenerator.prototype.next = function (arg) { return this._invoke("next", arg); };

_AsyncGenerator.prototype.throw = function (arg) { return this._invoke("throw", arg); };

_AsyncGenerator.prototype.return = function (arg) { return this._invoke("return", arg); };

function _AwaitValue(value) { this.wrapped = value; }

function _asyncIterator(iterable) { var method; if (typeof Symbol !== "undefined") { if (Symbol.asyncIterator) { method = iterable[Symbol.asyncIterator]; if (method != null) return method.call(iterable); } if (Symbol.iterator) { method = iterable[Symbol.iterator]; if (method != null) return method.call(iterable); } } throw new TypeError("Object is not async iterable"); }

var fs = require('fs');

var _require = require('events'),
    EventEmitter = _require.EventEmitter;

var _require2 = require('readable-stream'),
    PassThrough = _require2.PassThrough,
    Readable = _require2.Readable;

var nodeStream = require('stream');

var unzip = require('unzipper');

var tmp = require('tmp');

var iterateStream = require('../../utils/iterate-stream');

var parseSax = require('../../utils/parse-sax');

var StyleManager = require('../../xlsx/xform/style/styles-xform');

var WorkbookXform = require('../../xlsx/xform/book/workbook-xform');

var RelationshipsXform = require('../../xlsx/xform/core/relationships-xform');

var WorksheetReader = require('./worksheet-reader');

var HyperlinkReader = require('./hyperlink-reader');

tmp.setGracefulCleanup();

var WorkbookReader = /*#__PURE__*/function (_EventEmitter) {
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  var _super = _createSuper(WorkbookReader);

  function WorkbookReader(input) {
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    var options = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : {};

    _classCallCheck(this, WorkbookReader);

    _this4 = _super.call(this);
    _this4.input = input;
    _this4.options = _objectSpread({
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      sharedStrings: 'cache',
      hyperlinks: 'ignore',
      styles: 'ignore',
      entries: 'ignore'
    }, options);
    _this4.styles = new StyleManager();

    _this4.styles.init();

    return _this4;
  }

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        return input;
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      if (typeof input === 'string') {
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        return regeneratorRuntime.wrap(function _callee3$(_context4) {
          while (1) {
            switch (_context4.prev = _context4.next) {
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                if (options) _this2.options = options;
                stream = _this2.stream = _this2._getStream(input || _this2.input);
                zip = unzip.Parse({
                  forceStream: true
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                _iteratorNormalCompletion3 = true;
                _didIteratorError3 = false;
                _context4.prev = 7;
                _loop = /*#__PURE__*/regeneratorRuntime.mark(function _loop() {
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                        case 0:
                          entry = _value3;
                          match = void 0;
                          sheetNo = void 0;
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                          _context3.next = _context3.t0 === '_rels/.rels' ? 6 : _context3.t0 === 'xl/_rels/workbook.xml.rels' ? 7 : _context3.t0 === 'xl/workbook.xml' ? 10 : _context3.t0 === 'xl/sharedStrings.xml' ? 13 : _context3.t0 === 'xl/styles.xml' ? 15 : 18;
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                        case 6:
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                          return _context3.abrupt("break", 34);

                        case 10:
                          _context3.next = 12;
                          return _awaitAsyncGenerator(_this2._parseWorkbook(entry));

                        case 12:
                          return _context3.abrupt("break", 34);

                        case 13:
                          return _context3.delegateYield(_asyncGeneratorDelegate(_asyncIterator(_this2._parseSharedStrings(entry)), _awaitAsyncGenerator), "t1", 14);

                        case 14:
                          return _context3.abrupt("break", 34);

                        case 15:
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                          return _awaitAsyncGenerator(_this2._parseStyles(entry));

                        case 17:
                          return _context3.abrupt("break", 34);

                        case 18:
                          if (!entry.path.match(/xl\/worksheets\/sheet\d+[.]xml/)) {
                            _context3.next = 29;
                            break;
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                          match = entry.path.match(/xl\/worksheets\/sheet(\d+)[.]xml/);
                          sheetNo = match[1];

                          if (!(_this2.sharedStrings && _this2.workbookRels)) {
                            _context3.next = 25;
                            break;
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                        case 23:
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                          return _awaitAsyncGenerator(new Promise(function (resolve, reject) {
                            tmp.file(function (err, path, fd, tempFileCleanupCallback) {
                              if (err) {
                                return reject(err);
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                              waitingWorkSheets.push({
                                sheetNo: sheetNo,
                                path: path,
                                tempFileCleanupCallback: tempFileCleanupCallback
                              });
                              var tempStream = fs.createWriteStream(path);
                              entry.pipe(tempStream);
                              return tempStream.on('finish', function () {
                                return resolve();
                              });
                            });
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                        case 27:
                          _context3.next = 33;
                          break;

                        case 29:
                          if (!entry.path.match(/xl\/worksheets\/_rels\/sheet\d+[.]xml.rels/)) {
                            _context3.next = 33;
                            break;
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                          match = entry.path.match(/xl\/worksheets\/_rels\/sheet(\d+)[.]xml.rels/);
                          sheetNo = match[1];
                          return _context3.delegateYield(_asyncGeneratorDelegate(_asyncIterator(_this2._parseHyperlinks(iterateStream(entry), sheetNo)), _awaitAsyncGenerator), "t3", 33);

                        case 33:
                          return _context3.abrupt("break", 34);

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                          entry.autodrain();

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                        case "end":
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                      }
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                _iterator3 = _asyncIterator(iterateStream(zip));

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                _context4.next = 12;
                return _awaitAsyncGenerator(_iterator3.next());

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                _iteratorNormalCompletion3 = _step3.done;
                _context4.next = 16;
                return _awaitAsyncGenerator(_step3.value);

              case 16:
                _value3 = _context4.sent;

                if (_iteratorNormalCompletion3) {
                  _context4.next = 22;
                  break;
                }

                return _context4.delegateYield(_loop(), "t0", 19);

              case 19:
                _iteratorNormalCompletion3 = true;
                _context4.next = 10;
                break;

              case 22:
                _context4.next = 28;
                break;

              case 24:
                _context4.prev = 24;
                _context4.t1 = _context4["catch"](7);
                _didIteratorError3 = true;
                _iteratorError3 = _context4.t1;

              case 28:
                _context4.prev = 28;
                _context4.prev = 29;

                if (!(!_iteratorNormalCompletion3 && _iterator3.return != null)) {
                  _context4.next = 33;
                  break;
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                _context4.next = 33;
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              case 33:
                _context4.prev = 33;

                if (!_didIteratorError3) {
                  _context4.next = 36;
                  break;
                }

                throw _iteratorError3;

              case 36:
                return _context4.finish(33);

              case 37:
                return _context4.finish(28);

              case 38:
                _i = 0, _waitingWorkSheets = waitingWorkSheets;

              case 39:
                if (!(_i < _waitingWorkSheets.length)) {
                  _context4.next = 48;
                  break;
                }

                _waitingWorkSheets$_i = _waitingWorkSheets[_i], sheetNo = _waitingWorkSheets$_i.sheetNo, path = _waitingWorkSheets$_i.path, tempFileCleanupCallback = _waitingWorkSheets$_i.tempFileCleanupCallback;
                fileStream = fs.createReadStream(path); // TODO: Remove once node v8 is deprecated
                // Detect and upgrade old fileStreams

                if (!fileStream[Symbol.asyncIterator]) {
                  fileStream = fileStream.pipe(new PassThrough());
                }

                return _context4.delegateYield(_asyncGeneratorDelegate(_asyncIterator(_this2._parseWorksheet(fileStream, sheetNo)), _awaitAsyncGenerator), "t2", 44);

              case 44:
                tempFileCleanupCallback();

              case 45:
                _i++;
                _context4.next = 39;
                break;

              case 48:
              case "end":
                return _context4.stop();
            }
          }
        }, _callee3, null, [[7, 24, 28, 38], [29,, 33, 37]]);
      }))();
    }
  }, {
    key: "_emitEntry",
    value: function _emitEntry(payload) {
      if (this.options.entries === 'emit') {
        this.emit('entry', payload);
      }
    }
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    key: "_parseRels",
    value: function () {
      var _parseRels2 = _asyncToGenerator( /*#__PURE__*/regeneratorRuntime.mark(function _callee4(entry) {
        var xform;
        return regeneratorRuntime.wrap(function _callee4$(_context5) {
          while (1) {
            switch (_context5.prev = _context5.next) {
              case 0:
                xform = new RelationshipsXform();
                _context5.next = 3;
                return xform.parseStream(iterateStream(entry));

              case 3:
                this.workbookRels = _context5.sent;

              case 4:
              case "end":
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      function _parseRels(_x3) {
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      function _parseWorkbook(_x4) {
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      }

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    value: /*#__PURE__*/regeneratorRuntime.mark(function _parseWorksheet(iterator, sheetNo) {
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                id: sheetNo,
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                type: 'hyperlinks',
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                id: sheetNo,
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  }]);

  return WorkbookReader;
}(EventEmitter); // for reference - these are the valid values for options


WorkbookReader.Options = {
  worksheets: ['emit', 'ignore'],
  sharedStrings: ['cache', 'emit', 'ignore'],
  hyperlinks: ['cache', 'emit', 'ignore'],
  styles: ['cache', 'ignore'],
  entries: ['emit', 'ignore']
};
module.exports = WorkbookReader;
//# sourceMappingURL=workbook-reader.js.map