pdfjs-dist/legacy/build/pdf.worker.js

Generic build of Mozilla's PDF.js library.

/**
 * @licstart The following is the entire license notice for the
 * Javascript code in this page
 *
 * Copyright 2021 Mozilla Foundation
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 *
 * @licend The above is the entire license notice for the
 * Javascript code in this page
 */

(function webpackUniversalModuleDefinition(root, factory) {
	if(typeof exports === 'object' && typeof module === 'object')
		module.exports = factory();
	else if(typeof define === 'function' && define.amd)
		define("pdfjs-dist/build/pdf.worker", [], factory);
	else if(typeof exports === 'object')
		exports["pdfjs-dist/build/pdf.worker"] = factory();
	else
		root["pdfjs-dist/build/pdf.worker"] = root.pdfjsWorker = factory();
})(this, function() {
return /******/ (() => { // webpackBootstrap
/******/ 	var __webpack_modules__ = ([
/* 0 */,
/* 1 */
/***/ ((__unused_webpack_module, exports, __w_pdfjs_require__) => {

"use strict";


Object.defineProperty(exports, "__esModule", ({
  value: true
}));
exports.WorkerTask = exports.WorkerMessageHandler = void 0;

var _regenerator = _interopRequireDefault(__w_pdfjs_require__(2));

var _util = __w_pdfjs_require__(4);

var _primitives = __w_pdfjs_require__(125);

var _pdf_manager = __w_pdfjs_require__(126);

var _writer = __w_pdfjs_require__(168);

var _is_node = __w_pdfjs_require__(6);

var _message_handler = __w_pdfjs_require__(189);

var _worker_stream = __w_pdfjs_require__(190);

var _core_utils = __w_pdfjs_require__(128);

function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { "default": 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(_e2) { throw _e2; }, 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(_e3) { didErr = true; err = _e3; }, f: function f() { try { if (!normalCompletion && it["return"] != null) it["return"](); } finally { if (didErr) throw err; } } }; }

function _toArray(arr) { return _arrayWithHoles(arr) || _iterableToArray(arr) || _unsupportedIterableToArray(arr) || _nonIterableRest(); }

function _iterableToArray(iter) { if (typeof Symbol !== "undefined" && Symbol.iterator in Object(iter)) return Array.from(iter); }

function _slicedToArray(arr, i) { return _arrayWithHoles(arr) || _iterableToArrayLimit(arr, i) || _unsupportedIterableToArray(arr, i) || _nonIterableRest(); }

function _nonIterableRest() { throw new TypeError("Invalid attempt to destructure non-iterable instance.\nIn order to be iterable, non-array objects must have a [Symbol.iterator]() method."); }

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); }

function _arrayLikeToArray(arr, len) { if (len == null || len > arr.length) len = arr.length; for (var i = 0, arr2 = new Array(len); i < len; i++) { arr2[i] = arr[i]; } return arr2; }

function _iterableToArrayLimit(arr, i) { if (typeof Symbol === "undefined" || !(Symbol.iterator in Object(arr))) return; var _arr = []; var _n = true; var _d = false; var _e = undefined; try { for (var _i = arr[Symbol.iterator](), _s; !(_n = (_s = _i.next()).done); _n = true) { _arr.push(_s.value); if (i && _arr.length === i) break; } } catch (err) { _d = true; _e = err; } finally { try { if (!_n && _i["return"] != null) _i["return"](); } finally { if (_d) throw _e; } } return _arr; }

function _arrayWithHoles(arr) { if (Array.isArray(arr)) return arr; }

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); }); }; }

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; }

var WorkerTask = /*#__PURE__*/function () {
  function WorkerTask(name) {
    _classCallCheck(this, WorkerTask);

    this.name = name;
    this.terminated = false;
    this._capability = (0, _util.createPromiseCapability)();
  }

  _createClass(WorkerTask, [{
    key: "finished",
    get: function get() {
      return this._capability.promise;
    }
  }, {
    key: "finish",
    value: function finish() {
      this._capability.resolve();
    }
  }, {
    key: "terminate",
    value: function terminate() {
      this.terminated = true;
    }
  }, {
    key: "ensureNotTerminated",
    value: function ensureNotTerminated() {
      if (this.terminated) {
        throw new Error("Worker task was terminated");
      }
    }
  }]);

  return WorkerTask;
}();

exports.WorkerTask = WorkerTask;

var WorkerMessageHandler = /*#__PURE__*/function () {
  function WorkerMessageHandler() {
    _classCallCheck(this, WorkerMessageHandler);
  }

  _createClass(WorkerMessageHandler, null, [{
    key: "setup",
    value: function setup(handler, port) {
      var testMessageProcessed = false;
      handler.on("test", function wphSetupTest(data) {
        if (testMessageProcessed) {
          return;
        }

        testMessageProcessed = true;

        if (!(data instanceof Uint8Array)) {
          handler.send("test", null);
          return;
        }

        var supportTransfers = data[0] === 255;
        handler.postMessageTransfers = supportTransfers;
        handler.send("test", {
          supportTransfers: supportTransfers
        });
      });
      handler.on("configure", function wphConfigure(data) {
        (0, _util.setVerbosityLevel)(data.verbosity);
      });
      handler.on("GetDocRequest", function wphSetupDoc(data) {
        return WorkerMessageHandler.createDocumentHandler(data, port);
      });
    }
  }, {
    key: "createDocumentHandler",
    value: function createDocumentHandler(docParams, port) {
      var pdfManager;
      var terminated = false;
      var cancelXHRs = null;
      var WorkerTasks = [];
      var verbosity = (0, _util.getVerbosityLevel)();
      var apiVersion = docParams.apiVersion;
      var workerVersion = '2.8.335';

      if (apiVersion !== workerVersion) {
        throw new Error("The API version \"".concat(apiVersion, "\" does not match ") + "the Worker version \"".concat(workerVersion, "\"."));
      }

      var enumerableProperties = [];

      for (var property in []) {
        enumerableProperties.push(property);
      }

      if (enumerableProperties.length) {
        throw new Error("The `Array.prototype` contains unexpected enumerable properties: " + enumerableProperties.join(", ") + "; thus breaking e.g. `for...in` iteration of `Array`s.");
      }

      var docId = docParams.docId;
      var docBaseUrl = docParams.docBaseUrl;
      var workerHandlerName = docParams.docId + "_worker";
      var handler = new _message_handler.MessageHandler(workerHandlerName, docId, port);
      handler.postMessageTransfers = docParams.postMessageTransfers;

      function ensureNotTerminated() {
        if (terminated) {
          throw new Error("Worker was terminated");
        }
      }

      function startWorkerTask(task) {
        WorkerTasks.push(task);
      }

      function finishWorkerTask(task) {
        task.finish();
        var i = WorkerTasks.indexOf(task);
        WorkerTasks.splice(i, 1);
      }

      function loadDocument(_x) {
        return _loadDocument.apply(this, arguments);
      }

      function _loadDocument() {
        _loadDocument = _asyncToGenerator( /*#__PURE__*/_regenerator["default"].mark(function _callee(recoveryMode) {
          var _yield$Promise$all, _yield$Promise$all2, numPages, fingerprint, isPureXfa;

          return _regenerator["default"].wrap(function _callee$(_context) {
            while (1) {
              switch (_context.prev = _context.next) {
                case 0:
                  _context.next = 2;
                  return pdfManager.ensureDoc("checkHeader");

                case 2:
                  _context.next = 4;
                  return pdfManager.ensureDoc("parseStartXRef");

                case 4:
                  _context.next = 6;
                  return pdfManager.ensureDoc("parse", [recoveryMode]);

                case 6:
                  if (recoveryMode) {
                    _context.next = 9;
                    break;
                  }

                  _context.next = 9;
                  return pdfManager.ensureDoc("checkFirstPage");

                case 9:
                  _context.next = 11;
                  return Promise.all([pdfManager.ensureDoc("numPages"), pdfManager.ensureDoc("fingerprint"), pdfManager.ensureDoc("isPureXfa")]);

                case 11:
                  _yield$Promise$all = _context.sent;
                  _yield$Promise$all2 = _slicedToArray(_yield$Promise$all, 3);
                  numPages = _yield$Promise$all2[0];
                  fingerprint = _yield$Promise$all2[1];
                  isPureXfa = _yield$Promise$all2[2];
                  return _context.abrupt("return", {
                    numPages: numPages,
                    fingerprint: fingerprint,
                    isPureXfa: isPureXfa
                  });

                case 17:
                case "end":
                  return _context.stop();
              }
            }
          }, _callee);
        }));
        return _loadDocument.apply(this, arguments);
      }

      function getPdfManager(data, evaluatorOptions, enableXfa) {
        var pdfManagerCapability = (0, _util.createPromiseCapability)();
        var newPdfManager;
        var source = data.source;

        if (source.data) {
          try {
            newPdfManager = new _pdf_manager.LocalPdfManager(docId, source.data, source.password, evaluatorOptions, enableXfa, docBaseUrl);
            pdfManagerCapability.resolve(newPdfManager);
          } catch (ex) {
            pdfManagerCapability.reject(ex);
          }

          return pdfManagerCapability.promise;
        }

        var pdfStream,
            cachedChunks = [];

        try {
          pdfStream = new _worker_stream.PDFWorkerStream(handler);
        } catch (ex) {
          pdfManagerCapability.reject(ex);
          return pdfManagerCapability.promise;
        }

        var fullRequest = pdfStream.getFullReader();
        fullRequest.headersReady.then(function () {
          if (!fullRequest.isRangeSupported) {
            return;
          }

          var disableAutoFetch = source.disableAutoFetch || fullRequest.isStreamingSupported;
          newPdfManager = new _pdf_manager.NetworkPdfManager(docId, pdfStream, {
            msgHandler: handler,
            password: source.password,
            length: fullRequest.contentLength,
            disableAutoFetch: disableAutoFetch,
            rangeChunkSize: source.rangeChunkSize
          }, evaluatorOptions, enableXfa, docBaseUrl);

          for (var i = 0; i < cachedChunks.length; i++) {
            newPdfManager.sendProgressiveData(cachedChunks[i]);
          }

          cachedChunks = [];
          pdfManagerCapability.resolve(newPdfManager);
          cancelXHRs = null;
        })["catch"](function (reason) {
          pdfManagerCapability.reject(reason);
          cancelXHRs = null;
        });
        var loaded = 0;

        var flushChunks = function flushChunks() {
          var pdfFile = (0, _util.arraysToBytes)(cachedChunks);

          if (source.length && pdfFile.length !== source.length) {
            (0, _util.warn)("reported HTTP length is different from actual");
          }

          try {
            newPdfManager = new _pdf_manager.LocalPdfManager(docId, pdfFile, source.password, evaluatorOptions, enableXfa, docBaseUrl);
            pdfManagerCapability.resolve(newPdfManager);
          } catch (ex) {
            pdfManagerCapability.reject(ex);
          }

          cachedChunks = [];
        };

        var readPromise = new Promise(function (resolve, reject) {
          var readChunk = function readChunk(_ref) {
            var value = _ref.value,
                done = _ref.done;

            try {
              ensureNotTerminated();

              if (done) {
                if (!newPdfManager) {
                  flushChunks();
                }

                cancelXHRs = null;
                return;
              }

              loaded += (0, _util.arrayByteLength)(value);

              if (!fullRequest.isStreamingSupported) {
                handler.send("DocProgress", {
                  loaded: loaded,
                  total: Math.max(loaded, fullRequest.contentLength || 0)
                });
              }

              if (newPdfManager) {
                newPdfManager.sendProgressiveData(value);
              } else {
                cachedChunks.push(value);
              }

              fullRequest.read().then(readChunk, reject);
            } catch (e) {
              reject(e);
            }
          };

          fullRequest.read().then(readChunk, reject);
        });
        readPromise["catch"](function (e) {
          pdfManagerCapability.reject(e);
          cancelXHRs = null;
        });

        cancelXHRs = function cancelXHRs(reason) {
          pdfStream.cancelAllRequests(reason);
        };

        return pdfManagerCapability.promise;
      }

      function setupDoc(data) {
        function onSuccess(doc) {
          ensureNotTerminated();
          handler.send("GetDoc", {
            pdfInfo: doc
          });
        }

        function onFailure(ex) {
          ensureNotTerminated();

          if (ex instanceof _util.PasswordException) {
            var task = new WorkerTask("PasswordException: response ".concat(ex.code));
            startWorkerTask(task);
            handler.sendWithPromise("PasswordRequest", ex).then(function (_ref2) {
              var password = _ref2.password;
              finishWorkerTask(task);
              pdfManager.updatePassword(password);
              pdfManagerReady();
            })["catch"](function () {
              finishWorkerTask(task);
              handler.send("DocException", ex);
            });
          } else if (ex instanceof _util.InvalidPDFException || ex instanceof _util.MissingPDFException || ex instanceof _util.UnexpectedResponseException || ex instanceof _util.UnknownErrorException) {
            handler.send("DocException", ex);
          } else {
            handler.send("DocException", new _util.UnknownErrorException(ex.message, ex.toString()));
          }
        }

        function pdfManagerReady() {
          ensureNotTerminated();
          loadDocument(false).then(onSuccess, function (reason) {
            ensureNotTerminated();

            if (!(reason instanceof _core_utils.XRefParseException)) {
              onFailure(reason);
              return;
            }

            pdfManager.requestLoadedStream();
            pdfManager.onLoadedStream().then(function () {
              ensureNotTerminated();
              loadDocument(true).then(onSuccess, onFailure);
            });
          });
        }

        ensureNotTerminated();
        var evaluatorOptions = {
          maxImageSize: data.maxImageSize,
          disableFontFace: data.disableFontFace,
          ignoreErrors: data.ignoreErrors,
          isEvalSupported: data.isEvalSupported,
          fontExtraProperties: data.fontExtraProperties
        };
        getPdfManager(data, evaluatorOptions, data.enableXfa).then(function (newPdfManager) {
          if (terminated) {
            newPdfManager.terminate(new _util.AbortException("Worker was terminated."));
            throw new Error("Worker was terminated");
          }

          pdfManager = newPdfManager;
          pdfManager.onLoadedStream().then(function (stream) {
            handler.send("DataLoaded", {
              length: stream.bytes.byteLength
            });
          });
        }).then(pdfManagerReady, onFailure);
      }

      handler.on("GetPage", function wphSetupGetPage(data) {
        return pdfManager.getPage(data.pageIndex).then(function (page) {
          return Promise.all([pdfManager.ensure(page, "rotate"), pdfManager.ensure(page, "ref"), pdfManager.ensure(page, "userUnit"), pdfManager.ensure(page, "view")]).then(function (_ref3) {
            var _ref4 = _slicedToArray(_ref3, 4),
                rotate = _ref4[0],
                ref = _ref4[1],
                userUnit = _ref4[2],
                view = _ref4[3];

            return {
              rotate: rotate,
              ref: ref,
              userUnit: userUnit,
              view: view
            };
          });
        });
      });
      handler.on("GetPageIndex", function wphSetupGetPageIndex(_ref5) {
        var ref = _ref5.ref;

        var pageRef = _primitives.Ref.get(ref.num, ref.gen);

        return pdfManager.ensureCatalog("getPageIndex", [pageRef]);
      });
      handler.on("GetDestinations", function wphSetupGetDestinations(data) {
        return pdfManager.ensureCatalog("destinations");
      });
      handler.on("GetDestination", function wphSetupGetDestination(data) {
        return pdfManager.ensureCatalog("getDestination", [data.id]);
      });
      handler.on("GetPageLabels", function wphSetupGetPageLabels(data) {
        return pdfManager.ensureCatalog("pageLabels");
      });
      handler.on("GetPageLayout", function wphSetupGetPageLayout(data) {
        return pdfManager.ensureCatalog("pageLayout");
      });
      handler.on("GetPageMode", function wphSetupGetPageMode(data) {
        return pdfManager.ensureCatalog("pageMode");
      });
      handler.on("GetViewerPreferences", function (data) {
        return pdfManager.ensureCatalog("viewerPreferences");
      });
      handler.on("GetOpenAction", function (data) {
        return pdfManager.ensureCatalog("openAction");
      });
      handler.on("GetAttachments", function wphSetupGetAttachments(data) {
        return pdfManager.ensureCatalog("attachments");
      });
      handler.on("GetJavaScript", function wphSetupGetJavaScript(data) {
        return pdfManager.ensureCatalog("javaScript");
      });
      handler.on("GetDocJSActions", function wphSetupGetDocJSActions(data) {
        return pdfManager.ensureCatalog("jsActions");
      });
      handler.on("GetPageJSActions", function (_ref6) {
        var pageIndex = _ref6.pageIndex;
        return pdfManager.getPage(pageIndex).then(function (page) {
          return page.jsActions;
        });
      });
      handler.on("GetPageXfa", function wphSetupGetXfa(_ref7) {
        var pageIndex = _ref7.pageIndex;
        return pdfManager.getPage(pageIndex).then(function (page) {
          return pdfManager.ensure(page, "xfaData");
        });
      });
      handler.on("GetIsPureXfa", function wphSetupGetIsPureXfa(data) {
        return pdfManager.ensureDoc("isPureXfa");
      });
      handler.on("GetOutline", function wphSetupGetOutline(data) {
        return pdfManager.ensureCatalog("documentOutline");
      });
      handler.on("GetOptionalContentConfig", function (data) {
        return pdfManager.ensureCatalog("optionalContentConfig");
      });
      handler.on("GetPermissions", function (data) {
        return pdfManager.ensureCatalog("permissions");
      });
      handler.on("GetMetadata", function wphSetupGetMetadata(data) {
        return Promise.all([pdfManager.ensureDoc("documentInfo"), pdfManager.ensureCatalog("metadata")]);
      });
      handler.on("GetMarkInfo", function wphSetupGetMarkInfo(data) {
        return pdfManager.ensureCatalog("markInfo");
      });
      handler.on("GetData", function wphSetupGetData(data) {
        pdfManager.requestLoadedStream();
        return pdfManager.onLoadedStream().then(function (stream) {
          return stream.bytes;
        });
      });
      handler.on("GetStats", function wphSetupGetStats(data) {
        return pdfManager.ensureXRef("stats");
      });
      handler.on("GetAnnotations", function (_ref8) {
        var pageIndex = _ref8.pageIndex,
            intent = _ref8.intent;
        return pdfManager.getPage(pageIndex).then(function (page) {
          return page.getAnnotationsData(intent);
        });
      });
      handler.on("GetFieldObjects", function (data) {
        return pdfManager.ensureDoc("fieldObjects");
      });
      handler.on("HasJSActions", function (data) {
        return pdfManager.ensureDoc("hasJSActions");
      });
      handler.on("GetCalculationOrderIds", function (data) {
        return pdfManager.ensureDoc("calculationOrderIds");
      });
      handler.on("SaveDocument", function (_ref9) {
        var numPages = _ref9.numPages,
            annotationStorage = _ref9.annotationStorage,
            filename = _ref9.filename;
        pdfManager.requestLoadedStream();
        var promises = [pdfManager.onLoadedStream(), pdfManager.ensureCatalog("acroForm"), pdfManager.ensureDoc("xref"), pdfManager.ensureDoc("startXRef")];

        var _loop = function _loop(pageIndex) {
          promises.push(pdfManager.getPage(pageIndex).then(function (page) {
            var task = new WorkerTask("Save: page ".concat(pageIndex));
            startWorkerTask(task);
            return page.save(handler, task, annotationStorage)["finally"](function () {
              finishWorkerTask(task);
            });
          }));
        };

        for (var pageIndex = 0; pageIndex < numPages; pageIndex++) {
          _loop(pageIndex);
        }

        return Promise.all(promises).then(function (_ref10) {
          var _ref11 = _toArray(_ref10),
              stream = _ref11[0],
              acroForm = _ref11[1],
              xref = _ref11[2],
              startXRef = _ref11[3],
              refs = _ref11.slice(4);

          var newRefs = [];

          var _iterator = _createForOfIteratorHelper(refs),
              _step;

          try {
            for (_iterator.s(); !(_step = _iterator.n()).done;) {
              var ref = _step.value;
              newRefs = ref.filter(function (x) {
                return x !== null;
              }).reduce(function (a, b) {
                return a.concat(b);
              }, newRefs);
            }
          } catch (err) {
            _iterator.e(err);
          } finally {
            _iterator.f();
          }

          if (newRefs.length === 0) {
            return stream.bytes;
          }

          var xfa = acroForm instanceof _primitives.Dict && acroForm.get("XFA") || [];
          var xfaDatasets = null;

          if (Array.isArray(xfa)) {
            for (var i = 0, ii = xfa.length; i < ii; i += 2) {
              if (xfa[i] === "datasets") {
                xfaDatasets = xfa[i + 1];
              }
            }
          } else {
            (0, _util.warn)("Unsupported XFA type.");
          }

          var newXrefInfo = Object.create(null);

          if (xref.trailer) {
            var infoObj = Object.create(null);
            var xrefInfo = xref.trailer.get("Info") || null;

            if (xrefInfo instanceof _primitives.Dict) {
              xrefInfo.forEach(function (key, value) {
                if ((0, _util.isString)(key) && (0, _util.isString)(value)) {
                  infoObj[key] = (0, _util.stringToPDFString)(value);
                }
              });
            }

            newXrefInfo = {
              rootRef: xref.trailer.getRaw("Root") || null,
              encrypt: xref.trailer.getRaw("Encrypt") || null,
              newRef: xref.getNewRef(),
              infoRef: xref.trailer.getRaw("Info") || null,
              info: infoObj,
              fileIds: xref.trailer.getRaw("ID") || null,
              startXRef: startXRef,
              filename: filename
            };
          }

          xref.resetNewRef();
          return (0, _writer.incrementalUpdate)({
            originalData: stream.bytes,
            xrefInfo: newXrefInfo,
            newRefs: newRefs,
            xref: xref,
            datasetsRef: xfaDatasets
          });
        });
      });
      handler.on("GetOperatorList", function wphSetupRenderPage(data, sink) {
        var pageIndex = data.pageIndex;
        pdfManager.getPage(pageIndex).then(function (page) {
          var task = new WorkerTask("GetOperatorList: page ".concat(pageIndex));
          startWorkerTask(task);
          var start = verbosity >= _util.VerbosityLevel.INFOS ? Date.now() : 0;
          page.getOperatorList({
            handler: handler,
            sink: sink,
            task: task,
            intent: data.intent,
            renderInteractiveForms: data.renderInteractiveForms,
            annotationStorage: data.annotationStorage
          }).then(function (operatorListInfo) {
            finishWorkerTask(task);

            if (start) {
              (0, _util.info)("page=".concat(pageIndex + 1, " - getOperatorList: time=") + "".concat(Date.now() - start, "ms, len=").concat(operatorListInfo.length));
            }

            sink.close();
          }, function (reason) {
            finishWorkerTask(task);

            if (task.terminated) {
              return;
            }

            handler.send("UnsupportedFeature", {
              featureId: _util.UNSUPPORTED_FEATURES.errorOperatorList
            });
            sink.error(reason);
          });
        });
      });
      handler.on("GetTextContent", function wphExtractText(data, sink) {
        var pageIndex = data.pageIndex;

        sink.onPull = function (desiredSize) {};

        sink.onCancel = function (reason) {};

        pdfManager.getPage(pageIndex).then(function (page) {
          var task = new WorkerTask("GetTextContent: page " + pageIndex);
          startWorkerTask(task);
          var start = verbosity >= _util.VerbosityLevel.INFOS ? Date.now() : 0;
          page.extractTextContent({
            handler: handler,
            task: task,
            sink: sink,
            normalizeWhitespace: data.normalizeWhitespace,
            combineTextItems: data.combineTextItems
          }).then(function () {
            finishWorkerTask(task);

            if (start) {
              (0, _util.info)("page=".concat(pageIndex + 1, " - getTextContent: time=") + "".concat(Date.now() - start, "ms"));
            }

            sink.close();
          }, function (reason) {
            finishWorkerTask(task);

            if (task.terminated) {
              return;
            }

            sink.error(reason);
          });
        });
      });
      handler.on("FontFallback", function (data) {
        return pdfManager.fontFallback(data.id, handler);
      });
      handler.on("Cleanup", function wphCleanup(data) {
        return pdfManager.cleanup(true);
      });
      handler.on("Terminate", function wphTerminate(data) {
        terminated = true;
        var waitOn = [];

        if (pdfManager) {
          pdfManager.terminate(new _util.AbortException("Worker was terminated."));
          var cleanupPromise = pdfManager.cleanup();
          waitOn.push(cleanupPromise);
          pdfManager = null;
        } else {
          (0, _primitives.clearPrimitiveCaches)();
        }

        if (cancelXHRs) {
          cancelXHRs(new _util.AbortException("Worker was terminated."));
        }

        WorkerTasks.forEach(function (task) {
          waitOn.push(task.finished);
          task.terminate();
        });
        return Promise.all(waitOn).then(function () {
          handler.destroy();
          handler = null;
        });
      });
      handler.on("Ready", function wphReady(data) {
        setupDoc(docParams);
        docParams = null;
      });
      return workerHandlerName;
    }
  }, {
    key: "initializeFromPort",
    value: function initializeFromPort(port) {
      var handler = new _message_handler.MessageHandler("worker", "main", port);
      WorkerMessageHandler.setup(handler, port);
      handler.send("ready", null);
    }
  }]);

  return WorkerMessageHandler;
}();

exports.WorkerMessageHandler = WorkerMessageHandler;

function isMessagePort(maybePort) {
  return typeof maybePort.postMessage === "function" && "onmessage" in maybePort;
}

if (typeof window === "undefined" && !_is_node.isNodeJS && typeof self !== "undefined" && isMessagePort(self)) {
  WorkerMessageHandler.initializeFromPort(self);
}

/***/ }),
/* 2 */
/***/ ((module, __unused_webpack_exports, __w_pdfjs_require__) => {

"use strict";


module.exports = __w_pdfjs_require__(3);

/***/ }),
/* 3 */
/***/ ((module, __unused_webpack_exports, __w_pdfjs_require__) => {

"use strict";
/* module decorator */ module = __w_pdfjs_require__.nmd(module);


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); }

var runtime = function (exports) {
  "use strict";

  var Op = Object.prototype;
  var hasOwn = Op.hasOwnProperty;
  var undefined;
  var $Symbol = typeof Symbol === "function" ? Symbol : {};
  var iteratorSymbol = $Symbol.iterator || "@@iterator";
  var asyncIteratorSymbol = $Symbol.asyncIterator || "@@asyncIterator";
  var toStringTagSymbol = $Symbol.toStringTag || "@@toStringTag";

  function define(obj, key, value) {
    Object.defineProperty(obj, key, {
      value: value,
      enumerable: true,
      configurable: true,
      writable: true
    });
    return obj[key];
  }

  try {
    define({}, "");
  } catch (err) {
    define = function define(obj, key, value) {
      return obj[key] = value;
    };
  }

  function wrap(innerFn, outerFn, self, tryLocsList) {
    var protoGenerator = outerFn && outerFn.prototype instanceof Generator ? outerFn : Generator;
    var generator = Object.create(protoGenerator.prototype);
    var context = new Context(tryLocsList || []);
    generator._invoke = makeInvokeMethod(innerFn, self, context);
    return generator;
  }

  exports.wrap = wrap;

  function tryCatch(fn, obj, arg) {
    try {
      return {
        type: "normal",
        arg: fn.call(obj, arg)
      };
    } catch (err) {
      return {
        type: "throw",
        arg: err
      };
    }
  }

  var GenStateSuspendedStart = "suspendedStart";
  var GenStateSuspendedYield = "suspendedYield";
  var GenStateExecuting = "executing";
  var GenStateCompleted = "completed";
  var ContinueSentinel = {};

  function Generator() {}

  function GeneratorFunction() {}

  function GeneratorFunctionPrototype() {}

  var IteratorPrototype = {};

  IteratorPrototype[iteratorSymbol] = function () {
    return this;
  };

  var getProto = Object.getPrototypeOf;
  var NativeIteratorPrototype = getProto && getProto(getProto(values([])));

  if (NativeIteratorPrototype && NativeIteratorPrototype !== Op && hasOwn.call(NativeIteratorPrototype, iteratorSymbol)) {
    IteratorPrototype = NativeIteratorPrototype;
  }

  var Gp = GeneratorFunctionPrototype.prototype = Generator.prototype = Object.create(IteratorPrototype);
  GeneratorFunction.prototype = Gp.constructor = GeneratorFunctionPrototype;
  GeneratorFunctionPrototype.constructor = GeneratorFunction;
  GeneratorFunction.displayName = define(GeneratorFunctionPrototype, toStringTagSymbol, "GeneratorFunction");

  function defineIteratorMethods(prototype) {
    ["next", "throw", "return"].forEach(function (method) {
      define(prototype, method, function (arg) {
        return this._invoke(method, arg);
      });
    });
  }

  exports.isGeneratorFunction = function (genFun) {
    var ctor = typeof genFun === "function" && genFun.constructor;
    return ctor ? ctor === GeneratorFunction || (ctor.displayName || ctor.name) === "GeneratorFunction" : false;
  };

  exports.mark = function (genFun) {
    if (Object.setPrototypeOf) {
      Object.setPrototypeOf(genFun, GeneratorFunctionPrototype);
    } else {
      genFun.__proto__ = GeneratorFunctionPrototype;
      define(genFun, toStringTagSymbol, "GeneratorFunction");
    }

    genFun.prototype = Object.create(Gp);
    return genFun;
  };

  exports.awrap = function (arg) {
    return {
      __await: arg
    };
  };

  function AsyncIterator(generator, PromiseImpl) {
    function invoke(method, arg, resolve, reject) {
      var record = tryCatch(generator[method], generator, arg);

      if (record.type === "throw") {
        reject(record.arg);
      } else {
        var result = record.arg;
        var value = result.value;

        if (value && _typeof(value) === "object" && hasOwn.call(value, "__await")) {
          return PromiseImpl.resolve(value.__await).then(function (value) {
            invoke("next", value, resolve, reject);
          }, function (err) {
            invoke("throw", err, resolve, reject);
          });
        }

        return PromiseImpl.resolve(value).then(function (unwrapped) {
          result.value = unwrapped;
          resolve(result);
        }, function (error) {
          return invoke("throw", error, resolve, reject);
        });
      }
    }

    var previousPromise;

    function enqueue(method, arg) {
      function callInvokeWithMethodAndArg() {
        return new PromiseImpl(function (resolve, reject) {
          invoke(method, arg, resolve, reject);
        });
      }

      return previousPromise = previousPromise ? previousPromise.then(callInvokeWithMethodAndArg, callInvokeWithMethodAndArg) : callInvokeWithMethodAndArg();
    }

    this._invoke = enqueue;
  }

  defineIteratorMethods(AsyncIterator.prototype);

  AsyncIterator.prototype[asyncIteratorSymbol] = function () {
    return this;
  };

  exports.AsyncIterator = AsyncIterator;

  exports.async = function (innerFn, outerFn, self, tryLocsList, PromiseImpl) {
    if (PromiseImpl === void 0) PromiseImpl = Promise;
    var iter = new AsyncIterator(wrap(innerFn, outerFn, self, tryLocsList), PromiseImpl);
    return exports.isGeneratorFunction(outerFn) ? iter : iter.next().then(function (result) {
      return result.done ? result.value : iter.next();
    });
  };

  function makeInvokeMethod(innerFn, self, context) {
    var state = GenStateSuspendedStart;
    return function invoke(method, arg) {
      if (state === GenStateExecuting) {
        throw new Error("Generator is already running");
      }

      if (state === GenStateCompleted) {
        if (method === "throw") {
          throw arg;
        }

        return doneResult();
      }

      context.method = method;
      context.arg = arg;

      while (true) {
        var delegate = context.delegate;

        if (delegate) {
          var delegateResult = maybeInvokeDelegate(delegate, context);

          if (delegateResult) {
            if (delegateResult === ContinueSentinel) continue;
            return delegateResult;
          }
        }

        if (context.method === "next") {
          context.sent = context._sent = context.arg;
        } else if (context.method === "throw") {
          if (state === GenStateSuspendedStart) {
            state = GenStateCompleted;
            throw context.arg;
          }

          context.dispatchException(context.arg);
        } else if (context.method === "return") {
          context.abrupt("return", context.arg);
        }

        state = GenStateExecuting;
        var record = tryCatch(innerFn, self, context);

        if (record.type === "normal") {
          state = context.done ? GenStateCompleted : GenStateSuspendedYield;

          if (record.arg === ContinueSentinel) {
            continue;
          }

          return {
            value: record.arg,
            done: context.done
          };
        } else if (record.type === "throw") {
          state = GenStateCompleted;
          context.method = "throw";
          context.arg = record.arg;
        }
      }
    };
  }

  function maybeInvokeDelegate(delegate, context) {
    var method = delegate.iterator[context.method];

    if (method === undefined) {
      context.delegate = null;

      if (context.method === "throw") {
        if (delegate.iterator["return"]) {
          context.method = "return";
          context.arg = undefined;
          maybeInvokeDelegate(delegate, context);

          if (context.method === "throw") {
            return ContinueSentinel;
          }
        }

        context.method = "throw";
        context.arg = new TypeError("The iterator does not provide a 'throw' method");
      }

      return ContinueSentinel;
    }

    var record = tryCatch(method, delegate.iterator, context.arg);

    if (record.type === "throw") {
      context.method = "throw";
      context.arg = record.arg;
      context.delegate = null;
      return ContinueSentinel;
    }

    var info = record.arg;

    if (!info) {
      context.method = "throw";
      context.arg = new TypeError("iterator result is not an object");
      context.delegate = null;
      return ContinueSentinel;
    }

    if (info.done) {
      context[delegate.resultName] = info.value;
      context.next = delegate.nextLoc;

      if (context.method !== "return") {
        context.method = "next";
        context.arg = undefined;
      }
    } else {
      return info;
    }

    context.delegate = null;
    return ContinueSentinel;
  }

  defineIteratorMethods(Gp);
  define(Gp, toStringTagSymbol, "Generator");

  Gp[iteratorSymbol] = function () {
    return this;
  };

  Gp.toString = function () {
    return "[object Generator]";
  };

  function pushTryEntry(locs) {
    var entry = {
      tryLoc: locs[0]
    };

    if (1 in locs) {
      entry.catchLoc = locs[1];
    }

    if (2 in locs) {
      entry.finallyLoc = locs[2];
      entry.afterLoc = locs[3];
    }

    this.tryEntries.push(entry);
  }

  function resetTryEntry(entry) {
    var record = entry.completion || {};
    record.type = "normal";
    delete record.arg;
    entry.completion = record;
  }

  function Context(tryLocsList) {
    this.tryEntries = [{
      tryLoc: "root"
    }];
    tryLocsList.forEach(pushTryEntry, this);
    this.reset(true);
  }

  exports.keys = function (object) {
    var keys = [];

    for (var key in object) {
      keys.push(key);
    }

    keys.reverse();
    return function next() {
      while (keys.length) {
        var key = keys.pop();

        if (key in object) {
          next.value = key;
          next.done = false;
          return next;
        }
      }

      next.done = true;
      return next;
    };
  };

  function values(iterable) {
    if (iterable) {
      var iteratorMethod = iterable[iteratorSymbol];

      if (iteratorMethod) {
        return iteratorMethod.call(iterable);
      }

      if (typeof iterable.next === "function") {
        return iterable;
      }

      if (!isNaN(iterable.length)) {
        var i = -1,
            next = function next() {
          while (++i < iterable.length) {
            if (hasOwn.call(iterable, i)) {
              next.value = iterable[i];
              next.done = false;
              return next;
            }
          }

          next.value = undefined;
          next.done = true;
          return next;
        };

        return next.next = next;
      }
    }

    return {
      next: doneResult
    };
  }

  exports.values = values;

  function doneResult() {
    return {
      value: undefined,
      done: true
    };
  }

  Context.prototype = {
    constructor: Context,
    reset: function reset(skipTempReset) {
      this.prev = 0;
      this.next = 0;
      this.sent = this._sent = undefined;
      this.done = false;
      this.delegate = null;
      this.method = "next";
      this.arg = undefined;
      this.tryEntries.forEach(resetTryEntry);

      if (!skipTempReset) {
        for (var name in this) {
          if (name.charAt(0) === "t" && hasOwn.call(this, name) && !isNaN(+name.slice(1))) {
            this[name] = undefined;
          }
        }
      }
    },
    stop: function stop() {
      this.done = true;
      var rootEntry = this.tryEntries[0];
      var rootRecord = rootEntry.completion;

      if (rootRecord.type === "throw") {
        throw rootRecord.arg;
      }

      return this.rval;
    },
    dispatchException: function dispatchException(exception) {
      if (this.done) {
        throw exception;
      }

      var context = this;

      function handle(loc, caught) {
        record.type = "throw";
        record.arg = exception;
        context.next = loc;

        if (caught) {
          context.method = "next";
          context.arg = undefined;
        }

        return !!caught;
      }

      for (var i = this.tryEntries.length - 1; i >= 0; --i) {
        var entry = this.tryEntries[i];
        var record = entry.completion;

        if (entry.tryLoc === "root") {
          return handle("end");
        }

        if (entry.tryLoc <= this.prev) {
          var hasCatch = hasOwn.call(entry, "catchLoc");
          var hasFinally = hasOwn.call(entry, "finallyLoc");

          if (hasCatch && hasFinally) {
            if (this.prev < entry.catchLoc) {
              return handle(entry.catchLoc, true);
            } else if (this.prev < entry.finallyLoc) {
              return handle(entry.finallyLoc);
            }
          } else if (hasCatch) {
            if (this.prev < entry.catchLoc) {
              return handle(entry.catchLoc, true);
            }
          } else if (hasFinally) {
            if (this.prev < entry.finallyLoc) {
              return handle(entry.finallyLoc);
            }
          } else {
            throw new Error("try statement without catch or finally");
          }
        }
      }
    },
    abrupt: function abrupt(type, arg) {
      for (var i = this.tryEntries.length - 1; i >= 0; --i) {
        var entry = this.tryEntries[i];

        if (entry.tryLoc <= this.prev && hasOwn.call(entry, "finallyLoc") && this.prev < entry.finallyLoc) {
          var finallyEntry = entry;
          break;
        }
      }

      if (finallyEntry && (type === "break" || type === "continue") && finallyEntry.tryLoc <= arg && arg <= finallyEntry.finallyLoc) {
        finallyEntry = null;
      }

      var record = finallyEntry ? finallyEntry.completion : {};
      record.type = type;
      record.arg = arg;

      if (finallyEntry) {
        this.method = "next";
        this.next = finallyEntry.finallyLoc;
        return ContinueSentinel;
      }

      return this.complete(record);
    },
    complete: function complete(record, afterLoc) {
      if (record.type === "throw") {
        throw record.arg;
      }

      if (record.type === "break" || record.type === "continue") {
        this.next = record.arg;
      } else if (record.type === "return") {
        this.rval = this.arg = record.arg;
        this.method = "return";
        this.next = "end";
      } else if (record.type === "normal" && afterLoc) {
        this.next = afterLoc;
      }

      return ContinueSentinel;
    },
    finish: function finish(finallyLoc) {
      for (var i = this.tryEntries.length - 1; i >= 0; --i) {
        var entry = this.tryEntries[i];

        if (entry.finallyLoc === finallyLoc) {
          this.complete(entry.completion, entry.afterLoc);
          resetTryEntry(entry);
          return ContinueSentinel;
        }
      }
    },
    "catch": function _catch(tryLoc) {
      for (var i = this.tryEntries.length - 1; i >= 0; --i) {
        var entry = this.tryEntries[i];

        if (entry.tryLoc === tryLoc) {
          var record = entry.completion;

          if (record.type === "throw") {
            var thrown = record.arg;
            resetTryEntry(entry);
          }

          return thrown;
        }
      }

      throw new Error("illegal catch attempt");
    },
    delegateYield: function delegateYield(iterable, resultName, nextLoc) {
      this.delegate = {
        iterator: values(iterable),
        resultName: resultName,
        nextLoc: nextLoc
      };

      if (this.method === "next") {
        this.arg = undefined;
      }

      return ContinueSentinel;
    }
  };
  return exports;
}(( false ? 0 : _typeof(module)) === "object" ? module.exports : {});

try {
  regeneratorRuntime = runtime;
} catch (accidentalStrictMode) {
  Function("r", "regeneratorRuntime = r")(runtime);
}

/***/ }),
/* 4 */
/***/ ((__unused_webpack_module, exports, __w_pdfjs_require__) => {

"use strict";


Object.defineProperty(exports, "__esModule", ({
  value: true
}));
exports.arrayByteLength = arrayByteLength;
exports.arraysToBytes = arraysToBytes;
exports.assert = assert;
exports.bytesToString = bytesToString;
exports.createObjectURL = createObjectURL;
exports.createPromiseCapability = createPromiseCapability;
exports.createValidAbsoluteUrl = createValidAbsoluteUrl;
exports.escapeString = escapeString;
exports.getModificationDate = getModificationDate;
exports.getVerbosityLevel = getVerbosityLevel;
exports.info = info;
exports.isArrayBuffer = isArrayBuffer;
exports.isArrayEqual = isArrayEqual;
exports.isAscii = isAscii;
exports.isBool = isBool;
exports.isNum = isNum;
exports.isSameOrigin = isSameOrigin;
exports.isString = isString;
exports.objectFromMap = objectFromMap;
exports.objectSize = objectSize;
exports.removeNullCharacters = removeNullCharacters;
exports.setVerbosityLevel = setVerbosityLevel;
exports.shadow = shadow;
exports.string32 = string32;
exports.stringToBytes = stringToBytes;
exports.stringToPDFString = stringToPDFString;
exports.stringToUTF16BEString = stringToUTF16BEString;
exports.stringToUTF8String = stringToUTF8String;
exports.unreachable = unreachable;
exports.utf8StringToString = utf8StringToString;
exports.warn = warn;
exports.VerbosityLevel = exports.Util = exports.UNSUPPORTED_FEATURES = exports.UnknownErrorException = exports.UnexpectedResponseException = exports.TextRenderingMode = exports.StreamType = exports.PermissionFlag = exports.PasswordResponses = exports.PasswordException = exports.PageActionEventType = exports.OPS = exports.MissingPDFException = exports.IsLittleEndianCached = exports.IsEvalSupportedCached = exports.InvalidPDFException = exports.ImageKind = exports.IDENTITY_MATRIX = exports.FormatError = exports.FontType = exports.FONT_IDENTITY_MATRIX = exports.DocumentActionEventType = exports.CMapCompressionType = exports.BaseException = exports.AnnotationType = exports.AnnotationStateModelType = exports.AnnotationReviewState = exports.AnnotationReplyType = exports.AnnotationMarkedState = exports.AnnotationFlag = exports.AnnotationFieldFlag = exports.AnnotationBorderStyleType = exports.AnnotationActionEventType = exports.AbortException = void 0;

__w_pdfjs_require__(5);

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 _toConsumableArray(arr) { return _arrayWithoutHoles(arr) || _iterableToArray(arr) || _unsupportedIterableToArray(arr) || _nonIterableSpread(); }

function _nonIterableSpread() { throw new TypeError("Invalid attempt to spread non-iterable instance.\nIn order to be iterable, non-array objects must have a [Symbol.iterator]() method."); }

function _iterableToArray(iter) { if (typeof Symbol !== "undefined" && Symbol.iterator in Object(iter)) return Array.from(iter); }

function _arrayWithoutHoles(ar