(function webpackUniversalModuleDefinition(root, factory) {
	if(typeof exports === 'object' && typeof module === 'object')
		module.exports = factory();
	else if(typeof define === 'function' && define.amd)
		define([], factory);
	else if(typeof exports === 'object')
		exports["ClipboardJS"] = factory();
	else
		root["ClipboardJS"] = factory();
})(this, function() {
return /******/ (function() { // webpackBootstrap
/******/ 	var __webpack_modules__ = ({

/***/ 686:
/***/ (function(__unused_webpack_module, __webpack_exports__, __webpack_require__) {

"use strict";

// EXPORTS
__webpack_require__.d(__webpack_exports__, {
  "default": function() { return /* binding */ clipboard; }
});

// EXTERNAL MODULE: ./node_modules/tiny-emitter/index.js
var tiny_emitter = __webpack_require__(279);
var tiny_emitter_default = /*#__PURE__*/__webpack_require__.n(tiny_emitter);
// EXTERNAL MODULE: ./node_modules/good-listener/src/listen.js
var listen = __webpack_require__(370);
var listen_default = /*#__PURE__*/__webpack_require__.n(listen);
// EXTERNAL MODULE: ./node_modules/select/src/select.js
var src_select = __webpack_require__(817);
var select_default = /*#__PURE__*/__webpack_require__.n(src_select);
;// CONCATENATED MODULE: ./src/common/command.js
/**
 * Executes a given operation type.
 * @param {String} type
 * @return {Boolean}
 */
function command(type) {
  try {
    return document.execCommand(type);
  } catch (err) {
    return false;
  }
}
;// CONCATENATED MODULE: ./src/actions/cut.js


/**
 * Cut action wrapper.
 * @param {String|HTMLElement} target
 * @return {String}
 */

var ClipboardActionCut = function ClipboardActionCut(target) {
  var selectedText = select_default()(target);
  command('cut');
  return selectedText;
};

/* harmony default export */ var actions_cut = (ClipboardActionCut);
;// CONCATENATED MODULE: ./src/common/create-fake-element.js
/**
 * Creates a fake textarea element with a value.
 * @param {String} value
 * @return {HTMLElement}
 */
function createFakeElement(value) {
  var isRTL = document.documentElement.getAttribute('dir') === 'rtl';
  var fakeElement = document.createElement('textarea'); // Prevent zooming on iOS

  fakeElement.style.fontSize = '12pt'; // Reset box model

  fakeElement.style.border = '0';
  fakeElement.style.padding = '0';
  fakeElement.style.margin = '0'; // Move element out of screen horizontally

  fakeElement.style.position = 'absolute';
  fakeElement.style[isRTL ? 'right' : 'left'] = '-9999px'; // Move element to the same position vertically

  var yPosition = window.pageYOffset || document.documentElement.scrollTop;
  fakeElement.style.top = "".concat(yPosition, "px");
  fakeElement.setAttribute('readonly', '');
  fakeElement.value = value;
  return fakeElement;
}
;// CONCATENATED MODULE: ./src/actions/copy.js



/**
 * Create fake copy action wrapper using a fake element.
 * @param {String} target
 * @param {Object} options
 * @return {String}
 */

var fakeCopyAction = function fakeCopyAction(value, options) {
  var fakeElement = createFakeElement(value);
  options.container.appendChild(fakeElement);
  var selectedText = select_default()(fakeElement);
  command('copy');
  fakeElement.remove();
  return selectedText;
};
/**
 * Copy action wrapper.
 * @param {String|HTMLElement} target
 * @param {Object} options
 * @return {String}
 */


var ClipboardActionCopy = function ClipboardActionCopy(target) {
  var options = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : {
    container: document.body
  };
  var selectedText = '';

  if (typeof target === 'string') {
    selectedText = fakeCopyAction(target, options);
  } else if (target instanceof HTMLInputElement && !['text', 'search', 'url', 'tel', 'password'].includes(target === null || target === void 0 ? void 0 : target.type)) {
    // If input type doesn't support `setSelectionRange`. Simulate it. https://developer.mozilla.org/en-US/docs/Web/API/HTMLInputElement/setSelectionRange
    selectedText = fakeCopyAction(target.value, options);
  } else {
    selectedText = select_default()(target);
    command('copy');
  }

  return selectedText;
};

/* harmony default export */ var actions_copy = (ClipboardActionCopy);
;// CONCATENATED MODULE: ./src/actions/default.js
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); }



/**
 * Inner function which performs selection from either `text` or `target`
 * properties and then executes copy or cut operations.
 * @param {Object} options
 */

var ClipboardActionDefault = function ClipboardActionDefault() {
  var options = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : {};
  // Defines base properties passed from constructor.
  var _options$action = options.action,
      action = _options$action === void 0 ? 'copy' : _options$action,
      container = options.container,
      target = options.target,
      text = options.text; // Sets the `action` to be performed which can be either 'copy' or 'cut'.

  if (action !== 'copy' && action !== 'cut') {
    throw new Error('Invalid "action" value, use either "copy" or "cut"');
  } // Sets the `target` property using an element that will be have its content copied.


  if (target !== undefined) {
    if (target && _typeof(target) === 'object' && target.nodeType === 1) {
      if (action === 'copy' && target.hasAttribute('disabled')) {
        throw new Error('Invalid "target" attribute. Please use "readonly" instead of "disabled" attribute');
      }

      if (action === 'cut' && (target.hasAttribute('readonly') || target.hasAttribute('disabled'))) {
        throw new Error('Invalid "target" attribute. You can\'t cut text from elements with "readonly" or "disabled" attributes');
      }
    } else {
      throw new Error('Invalid "target" value, use a valid Element');
    }
  } // Define selection strategy based on `text` property.


  if (text) {
    return actions_copy(text, {
      container: container
    });
  } // Defines which selection strategy based on `target` property.


  if (target) {
    return action === 'cut' ? actions_cut(target) : actions_copy(target, {
      container: container
    });
  }
};

/* harmony default export */ var actions_default = (ClipboardActionDefault);
;// CONCATENATED MODULE: ./src/clipboard.js
function clipboard_typeof(obj) { "@babel/helpers - typeof"; if (typeof Symbol === "function" && typeof Symbol.iterator === "symbol") { clipboard_typeof = function _typeof(obj) { return typeof obj; }; } else { clipboard_typeof = function _typeof(obj) { return obj && typeof Symbol === "function" && obj.constructor === Symbol && obj !== Symbol.prototype ? "symbol" : typeof obj; }; } return clipboard_typeof(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); }

function _createSuper(Derived) { var hasNativeReflectConstruct = _isNativeReflectConstruct(); return function _createSuperInternal() { var Super = _getPrototypeOf(Derived), result; if (hasNativeReflectConstruct) { var NewTarget = _getPrototypeOf(this).constructor; result = Reflect.construct(Super, arguments, NewTarget); } else { result = Super.apply(this, arguments); } return _possibleConstructorReturn(this, result); }; }

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

function _assertThisInitialized(self) { if (self === void 0) { throw new ReferenceError("this hasn't been initialised - super() hasn't been called"); } return self; }

function _isNativeReflectConstruct() { if (typeof Reflect === "undefined" || !Reflect.construct) return false; if (Reflect.construct.sham) return false; if (typeof Proxy === "function") return true; try { Date.prototype.toString.call(Reflect.construct(Date, [], function () {})); return true; } catch (e) { return false; } }

function _getPrototypeOf(o) { _getPrototypeOf = Object.setPrototypeOf ? Object.getPrototypeOf : function _getPrototypeOf(o) { return o.__proto__ || Object.getPrototypeOf(o); }; return _getPrototypeOf(o); }






/**
 * Helper function to retrieve attribute value.
 * @param {String} suffix
 * @param {Element} element
 */

function getAttributeValue(suffix, element) {
  var attribute = "data-clipboard-".concat(suffix);

  if (!element.hasAttribute(attribute)) {
    return;
  }

  return element.getAttribute(attribute);
}
/**
 * Base class which takes one or more elements, adds event listeners to them,
 * and instantiates a new `ClipboardAction` on each click.
 */


var Clipboard = /*#__PURE__*/function (_Emitter) {
  _inherits(Clipboard, _Emitter);

  var _super = _createSuper(Clipboard);

  /**
   * @param {String|HTMLElement|HTMLCollection|NodeList} trigger
   * @param {Object} options
   */
  function Clipboard(trigger, options) {
    var _this;

    _classCallCheck(this, Clipboard);

    _this = _super.call(this);

    _this.resolveOptions(options);

    _this.listenClick(trigger);

    return _this;
  }
  /**
   * Defines if attributes would be resolved using internal setter functions
   * or custom functions that were passed in the constructor.
   * @param {Object} options
   */


  _createClass(Clipboard, [{
    key: "resolveOptions",
    value: function resolveOptions() {
      var options = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : {};
      this.action = typeof options.action === 'function' ? options.action : this.defaultAction;
      this.target = typeof options.target === 'function' ? options.target : this.defaultTarget;
      this.text = typeof options.text === 'function' ? options.text : this.defaultText;
      this.container = clipboard_typeof(options.container) === 'object' ? options.container : document.body;
    }
    /**
     * Adds a click event listener to the passed trigger.
     * @param {String|HTMLElement|HTMLCollection|NodeList} trigger
     */

  }, {
    key: "listenClick",
    value: function listenClick(trigger) {
      var _this2 = this;

      this.listener = listen_default()(trigger, 'click', function (e) {
        return _this2.onClick(e);
      });
    }
    /**
     * Defines a new `ClipboardAction` on each click event.
     * @param {Event} e
     */

  }, {
    key: "onClick",
    value: function onClick(e) {
      var trigger = e.delegateTarget || e.currentTarget;
      var action = this.action(trigger) || 'copy';
      var text = actions_default({
        action: action,
        container: this.container,
        target: this.target(trigger),
        text: this.text(trigger)
      }); // Fires an event based on the copy operation result.

      this.emit(text ? 'success' : 'error', {
        action: action,
        text: text,
        trigger: trigger,
        clearSelection: function clearSelection() {
          if (trigger) {
            trigger.focus();
          }

          window.getSelection().removeAllRanges();
        }
      });
    }
    /**
     * Default `action` lookup function.
     * @param {Element} trigger
     */

  }, {
    key: "defaultAction",
    value: function defaultAction(trigger) {
      return getAttributeValue('action', trigger);
    }
    /**
     * Default `target` lookup function.
     * @param {Element} trigger
     */

  }, {
    key: "defaultTarget",
    value: function defaultTarget(trigger) {
      var selector = getAttributeValue('target', trigger);

      if (selector) {
        return document.querySelector(selector);
      }
    }
    /**
     * Allow fire programmatically a copy action
     * @param {String|HTMLElement} target
     * @param {Object} options
     * @returns Text copied.
     */

  }, {
    key: "defaultText",

    /**
     * Default `text` lookup function.
     * @param {Element} trigger
     */
    value: function defaultText(trigger) {
      return getAttributeValue('text', trigger);
    }
    /**
     * Destroy lifecycle.
     */

  }, {
    key: "destroy",
    value: function destroy() {
      this.listener.destroy();
    }
  }], [{
    key: "copy",
    value: function copy(target) {
      var options = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : {
        container: document.body
      };
      return actions_copy(target, options);
    }
    /**
     * Allow fire programmatically a cut action
     * @param {String|HTMLElement} target
     * @returns Text cutted.
     */

  }, {
    key: "cut",
    value: function cut(target) {
      return actions_cut(target);
    }
    /**
     * Returns the support of the given action, or all actions if no action is
     * given.
     * @param {String} [action]
     */

  }, {
    key: "isSupported",
    value: function isSupported() {
      var action = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : ['copy', 'cut'];
      var actions = typeof action === 'string' ? [action] : action;
      var support = !!document.queryCommandSupported;
      actions.forEach(function (action) {
        support = support && !!document.queryCommandSupported(action);
      });
      return support;
    }
  }]);

  return Clipboard;
}((tiny_emitter_default()));

/* harmony default export */ var clipboard = (Clipboard);

/***/ }),

/***/ 828:
/***/ (function(module) {

var DOCUMENT_NODE_TYPE = 9;

/**
 * A polyfill for Element.matches()
 */
if (typeof Element !== 'undefined' && !Element.prototype.matches) {
    var proto = Element.prototype;

    proto.matches = proto.matchesSelector ||
                    proto.mozMatchesSelector ||
                    proto.msMatchesSelector ||
                    proto.oMatchesSelector ||
                    proto.webkitMatchesSelector;
}

/**
 * Finds the closest parent that matches a selector.
 *
 * @param {Element} element
 * @param {String} selector
 * @return {Function}
 */
function closest (element, selector) {
    while (element && element.nodeType !== DOCUMENT_NODE_TYPE) {
        if (typeof element.matches === 'function' &&
            element.matches(selector)) {
          return element;
        }
        element = element.parentNode;
    }
}

module.exports = closest;


/***/ }),

/***/ 438:
/***/ (function(module, __unused_webpack_exports, __webpack_require__) {

var closest = __webpack_require__(828);

/**
 * Delegates event to a selector.
 *
 * @param {Element} element
 * @param {String} selector
 * @param {String} type
 * @param {Function} callback
 * @param {Boolean} useCapture
 * @return {Object}
 */
function _delegate(element, selector, type, callback, useCapture) {
    var listenerFn = listener.apply(this, arguments);

    element.addEventListener(type, listenerFn, useCapture);

    return {
        destroy: function() {
            element.removeEventListener(type, listenerFn, useCapture);
        }
    }
}

/**
 * Delegates event to a selector.
 *
 * @param {Element|String|Array} [elements]
 * @param {String} selector
 * @param {String} type
 * @param {Function} callback
 * @param {Boolean} useCapture
 * @return {Object}
 */
function delegate(elements, selector, type, callback, useCapture) {
    // Handle the regular Element usage
    if (typeof elements.addEventListener === 'function') {
        return _delegate.apply(null, arguments);
    }

    // Handle Element-less usage, it defaults to global delegation
    if (typeof type === 'function') {
        // Use `document` as the first parameter, then apply arguments
        // This is a short way to .unshift `arguments` without running into deoptimizations
        return _delegate.bind(null, document).apply(null, arguments);
    }

    // Handle Selector-based usage
    if (typeof elements === 'string') {
        elements = document.querySelectorAll(elements);
    }

    // Handle Array-like based usage
    return Array.prototype.map.call(elements, function (element) {
        return _delegate(element, selector, type, callback, useCapture);
    });
}

/**
 * Finds closest match and invokes callback.
 *
 * @param {Element} element
 * @param {String} selector
 * @param {String} type
 * @param {Function} callback
 * @return {Function}
 */
function listener(element, selector, type, callback) {
    return function(e) {
        e.delegateTarget = closest(e.target, selector);

        if (e.delegateTarget) {
            callback.call(element, e);
        }
    }
}

module.exports = delegate;


/***/ }),

/***/ 879:
/***/ (function(__unused_webpack_module, exports) {

/**
 * Check if argument is a HTML element.
 *
 * @param {Object} value
 * @return {Boolean}
 */
exports.node = function(value) {
    return value !== undefined
        && value instanceof HTMLElement
        && value.nodeType === 1;
};

/**
 * Check if argument is a list of HTML elements.
 *
 * @param {Object} value
 * @return {Boolean}
 */
exports.nodeList = function(value) {
    var type = Object.prototype.toString.call(value);

    return value !== undefined
        && (type === '[object NodeList]' || type === '[object HTMLCollection]')
        && ('length' in value)
        && (value.length === 0 || exports.node(value[0]));
};

/**
 * Check if argument is a string.
 *
 * @param {Object} value
 * @return {Boolean}
 */
exports.string = function(value) {
    return typeof value === 'string'
        || value instanceof String;
};

/**
 * Check if argument is a function.
 *
 * @param {Object} value
 * @return {Boolean}
 */
exports.fn = function(value) {
    var type = Object.prototype.toString.call(value);

    return type === '[object Function]';
};


/***/ }),

/***/ 370:
/***/ (function(module, __unused_webpack_exports, __webpack_require__) {

var is = __webpack_require__(879);
var delegate = __webpack_require__(438);

/**
 * Validates all params and calls the right
 * listener function based on its target type.
 *
 * @param {String|HTMLElement|HTMLCollection|NodeList} target
 * @param {String} type
 * @param {Function} callback
 * @return {Object}
 */
function listen(target, type, callback) {
    if (!target && !type && !callback) {
        throw new Error('Missing required arguments');
    }

    if (!is.string(type)) {
        throw new TypeError('Second argument must be a String');
    }

    if (!is.fn(callback)) {
        throw new TypeError('Third argument must be a Function');
    }

    if (is.node(target)) {
        return listenNode(target, type, callback);
    }
    else if (is.nodeList(target)) {
        return listenNodeList(target, type, callback);
    }
    else if (is.string(target)) {
        return listenSelector(target, type, callback);
    }
    else {
        throw new TypeError('First argument must be a String, HTMLElement, HTMLCollection, or NodeList');
    }
}

/**
 * Adds an event listener to a HTML element
 * and returns a remove listener function.
 *
 * @param {HTMLElement} node
 * @param {String} type
 * @param {Function} callback
 * @return {Object}
 */
function listenNode(node, type, callback) {
    node.addEventListener(type, callback);

    return {
        destroy: function() {
            node.removeEventListener(type, callback);
        }
    }
}

/**
 * Add an event listener to a list of HTML elements
 * and returns a remove listener function.
 *
 * @param {NodeList|HTMLCollection} nodeList
 * @param {String} type
 * @param {Function} callback
 * @return {Object}
 */
function listenNodeList(nodeList, type, callback) {
    Array.prototype.forEach.call(nodeList, function(node) {
        node.addEventListener(type, callback);
    });

    return {
        destroy: function() {
            Array.prototype.forEach.call(nodeList, function(node) {
                node.removeEventListener(type, callback);
            });
        }
    }
}

/**
 * Add an event listener to a selector
 * and returns a remove listener function.
 *
 * @param {String} selector
 * @param {String} type
 * @param {Function} callback
 * @return {Object}
 */
function listenSelector(selector, type, callback) {
    return delegate(document.body, selector, type, callback);
}

module.exports = listen;


/***/ }),

/***/ 817:
/***/ (function(module) {

function select(element) {
    var selectedText;

    if (element.nodeName === 'SELECT') {
        element.focus();

        selectedText = element.value;
    }
    else if (element.nodeName === 'INPUT' || element.nodeName === 'TEXTAREA') {
        var isReadOnly = element.hasAttribute('readonly');

        if (!isReadOnly) {
            element.setAttribute('readonly', '');
        }

        element.select();
        element.setSelectionRange(0, element.value.length);

        if (!isReadOnly) {
            element.removeAttribute('readonly');
        }

        selectedText = element.value;
    }
    else {
        if (element.hasAttribute('contenteditable')) {
            element.focus();
        }

        var selection = window.getSelection();
        var range = document.createRange();

        range.selectNodeContents(element);
        selection.removeAllRanges();
        selection.addRange(range);

        selectedText = selection.toString();
    }

    return selectedText;
}

module.exports = select;


/***/ }),

/***/ 279:
/***/ (function(module) {

function E () {
  // Keep this empty so it's easier to inherit from
  // (via https://github.com/lipsmack from https://github.com/scottcorgan/tiny-emitter/issues/3)
}

E.prototype = {
  on: function (name, callback, ctx) {
    var e = this.e || (this.e = {});

    (e[name] || (e[name] = [])).push({
      fn: callback,
      ctx: ctx
    });

    return this;
  },

  once: function (name, callback, ctx) {
    var self = this;
    function listener () {
      self.off(name, listener);
      callback.apply(ctx, arguments);
    };

    listener._ = callback
    return this.on(name, listener, ctx);
  },

  emit: function (name) {
    var data = [].slice.call(arguments, 1);
    var evtArr = ((this.e || (this.e = {}))[name] || []).slice();
    var i = 0;
    var len = evtArr.length;

    for (i; i < len; i++) {
      evtArr[i].fn.apply(evtArr[i].ctx, data);
    }

    return this;
  },

  off: function (name, callback) {
    var e = this.e || (this.e = {});
    var evts = e[name];
    var liveEvents = [];

    if (evts && callback) {
      for (var i = 0, len = evts.length; i < len; i++) {
        if (evts[i].fn !== callback && evts[i].fn._ !== callback)
          liveEvents.push(evts[i]);
      }
    }

    // Remove event from queue to prevent memory leak
    // Suggested by https://github.com/lazd
    // Ref: https://github.com/scottcorgan/tiny-emitter/commit/c6ebfaa9bc973b33d110a84a307742b7cf94c953#commitcomment-5024910

    (liveEvents.length)
      ? e[name] = liveEvents
      : delete e[name];

    return this;
  }
};

module.exports = E;
module.exports.TinyEmitter = E;


/***/ })

/******/ 	});
/************************************************************************/
/******/ 	// The module cache
/******/ 	var __webpack_module_cache__ = {};
/******/ 	
/******/ 	// The require function
/******/ 	function __webpack_require__(moduleId) {
/******/ 		// Check if module is in cache
/******/ 		if(__webpack_module_cache__[moduleId]) {
/******/ 			return __webpack_module_cache__[moduleId].exports;
/******/ 		}
/******/ 		// Create a new module (and put it into the cache)
/******/ 		var module = __webpack_module_cache__[moduleId] = {
/******/ 			// no module.id needed
/******/ 			// no module.loaded needed
/******/ 			exports: {}
/******/ 		};
/******/ 	
/******/ 		// Execute the module function
/******/ 		__webpack_modules__[moduleId](module, module.exports, __webpack_require__);
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/******/ 		// Return the exports of the module
/******/ 		return module.exports;
/******/ 	}
/******/ 	
/************************************************************************/
/******/ 	/* webpack/runtime/compat get default export */
/******/ 	!function() {
/******/ 		// getDefaultExport function for compatibility with non-harmony modules
/******/ 		__webpack_require__.n = function(module) {
/******/ 			var getter = module && module.__esModule ?
/******/ 				function() { return module['default']; } :
/******/ 				function() { return module; };
/******/ 			__webpack_require__.d(getter, { a: getter });
/******/ 			return getter;
/******/ 		};
/******/ 	}();
/******/ 	
/******/ 	/* webpack/runtime/define property getters */
/******/ 	!function() {
/******/ 		// define getter functions for harmony exports
/******/ 		__webpack_require__.d = function(exports, definition) {
/******/ 			for(var key in definition) {
/******/ 				if(__webpack_require__.o(definition, key) && !__webpack_require__.o(exports, key)) {
/******/ 					Object.defineProperty(exports, key, { enumerable: true, get: definition[key] });
/******/ 				}
/******/ 			}
/******/ 		};
/******/ 	}();
/******/ 	
/******/ 	/* webpack/runtime/hasOwnProperty shorthand */
/******/ 	!function() {
/******/ 		__webpack_require__.o = function(obj, prop) { return Object.prototype.hasOwnProperty.call(obj, prop); }
/******/ 	}();
/******/ 	
/************************************************************************/
/******/ 	// module exports must be returned from runtime so entry inlining is disabled
/******/ 	// startup
/******/ 	// Load entry module and return exports
/******/ 	return __webpack_require__(686);
/******/ })()
.default;
});// JavaScript Document

const __defaultOptions = {
  annotationEditorMode: {
    value: -1,
    kind: OptionKind.VIEWER + OptionKind.PREFERENCE
  },
  annotationMode: {
    value: 2,
    kind: OptionKind.VIEWER + OptionKind.PREFERENCE
  },
  cursorToolOnLoad: {
    value: 0,
    kind: OptionKind.VIEWER + OptionKind.PREFERENCE
  },
  defaultZoomValue: {
    value: "",
    kind: OptionKind.VIEWER + OptionKind.PREFERENCE
  },
  disableHistory: {
    value: false,
    kind: OptionKind.VIEWER
  },
  disablePageLabels: {
    value: false,
    kind: OptionKind.VIEWER + OptionKind.PREFERENCE
  },
  enablePermissions: {
    value: false,
    kind: OptionKind.VIEWER + OptionKind.PREFERENCE
  },
  enablePrintAutoRotate: {
    value: true,
    kind: OptionKind.VIEWER + OptionKind.PREFERENCE
  },
  enableScripting: {
    value: true,
    kind: OptionKind.VIEWER + OptionKind.PREFERENCE
  },
  externalLinkRel: {
    value: "noopener noreferrer nofollow",
    kind: OptionKind.VIEWER
  },
  externalLinkTarget: {
    value: 0,
    kind: OptionKind.VIEWER + OptionKind.PREFERENCE
  },
  historyUpdateUrl: {
    value: false,
    kind: OptionKind.VIEWER + OptionKind.PREFERENCE
  },
  ignoreDestinationZoom: {
    value: false,
    kind: OptionKind.VIEWER + OptionKind.PREFERENCE
  },
  imageResourcesPath: {
    value: "./images/",
    kind: OptionKind.VIEWER
  },
  maxCanvasPixels: {
    value: 16777216,
    kind: OptionKind.VIEWER
  },
  forcePageColors: {
    value: false,
    kind: OptionKind.VIEWER + OptionKind.PREFERENCE
  },
  pageColorsBackground: {
    value: "Canvas",
    kind: OptionKind.VIEWER + OptionKind.PREFERENCE
  },
  pageColorsForeground: {
    value: "CanvasText",
    kind: OptionKind.VIEWER + OptionKind.PREFERENCE
  },
  pdfBugEnabled: {
    value: false,
    kind: OptionKind.VIEWER + OptionKind.PREFERENCE
  },
  printResolution: {
    value: 150,
    kind: OptionKind.VIEWER
  },
  sidebarViewOnLoad: {
    value: -1,
    kind: OptionKind.VIEWER + OptionKind.PREFERENCE
  },
  scrollModeOnLoad: {
    value: -1,
    kind: OptionKind.VIEWER + OptionKind.PREFERENCE
  },
  spreadModeOnLoad: {
    value: -1,
    kind: OptionKind.VIEWER + OptionKind.PREFERENCE
  },
  textLayerMode: {
    value: 1,
    kind: OptionKind.VIEWER + OptionKind.PREFERENCE
  },
  useOnlyCssZoom: {
    value: false,
    kind: OptionKind.VIEWER + OptionKind.PREFERENCE
  },
  viewerCssTheme: {
    value: 0,
    kind: OptionKind.VIEWER + OptionKind.PREFERENCE
  },
  viewOnLoad: {
    value: 0,
    kind: OptionKind.VIEWER + OptionKind.PREFERENCE
  },
  cMapPacked: {
    value: true,
    kind: OptionKind.API
  },
  cMapUrl: {
    value: "../web/cmaps/",
    kind: OptionKind.API
  },
  disableAutoFetch: {
    value: false,
    kind: OptionKind.API + OptionKind.PREFERENCE
  },
  disableFontFace: {
    value: false,
    kind: OptionKind.API + OptionKind.PREFERENCE
  },
  disableRange: {
    value: false,
    kind: OptionKind.API + OptionKind.PREFERENCE
  },
  disableStream: {
    value: false,
    kind: OptionKind.API + OptionKind.PREFERENCE
  },
  docBaseUrl: {
    value: "",
    kind: OptionKind.API
  },
  enableXfa: {
    value: true,
    kind: OptionKind.API + OptionKind.PREFERENCE
  },
  fontExtraProperties: {
    value: false,
    kind: OptionKind.API
  },
  isEvalSupported: {
    value: true,
    kind: OptionKind.API
  },
  maxImageSize: {
    value: -1,
    kind: OptionKind.API
  },
  pdfBug: {
    value: false,
    kind: OptionKind.API
  },
  standardFontDataUrl: {
    value: "../web/standard_fonts/",
    kind: OptionKind.API
  },
  verbosity: {
    value: 1,
    kind: OptionKind.API
  },
  workerPort: {
    value: null,
    kind: OptionKind.WORKER
  },
  workerSrc: {
    value: "../build/pdf.worker.js",
    kind: OptionKind.WORKER
  }
};
{
  defaultOptions.defaultUrl = {
    value: OptionKind.VIEWER+ OptionKind.PREFERENCE,
    kind: OptionKind.VIEWER
  };
  defaultOptions.disablePreferences = {
    value: false,
    kind: OptionKind.VIEWER
  };
  defaultOptions.locale = {
    value: navigator.language || "en-US",
    kind: OptionKind.VIEWER
  };
  defaultOptions.renderer = {
    value: "canvas",
    kind: OptionKind.VIEWER + OptionKind.PREFERENCE
  };
  defaultOptions.sandboxBundleSrc = {
    value: "../build/pdf.sandbox.js",
    kind: OptionKind.VIEWER
  };
}

{

function webViewerPageRendered({
  pageNumber,
  error
}) {
  if (pageNumber === PDFViewerApplication.page) {
    PDFViewerApplication.toolbar.updateLoadingIndicatorState(false);
  }

  if (PDFViewerApplication.pdfSidebar.visibleView === _ui_utils.SidebarView.THUMBS) {
    const pageView = PDFViewerApplication.pdfViewer.getPageView(pageNumber - 1);
    const thumbnailView = PDFViewerApplication.pdfThumbnailViewer.getThumbnail(pageNumber - 1);

    if (pageView && thumbnailView) {
      thumbnailView.setImage(pageView);
    }
  }

  if (error) {
    PDFViewerApplication.l10n.get("rendering_error").then(msg => {
      PDFViewerApplication._otherError(msg, error);
    });
  }

  PDFViewerApplication._reportDocumentStatsTelemetry();
}

function webViewerPageMode({
  mode
}) {
  let view;

  switch (mode) {
    case "thumbs":
      view = _ui_utils.SidebarView.THUMBS;
      break;

    case "bookmarks":
    case "outline":
      view = _ui_utils.SidebarView.OUTLINE;
      break;

    case "attachments":
      view = _ui_utils.SidebarView.ATTACHMENTS;
      break;

    case "layers":
      view = _ui_utils.SidebarView.LAYERS;
      break;

    case "none":
      view = _ui_utils.SidebarView.NONE;
      break;

    default:
      console.error('Invalid "pagemode" hash parameter: ' + mode);
      return;
  }

  PDFViewerApplication.pdfSidebar.switchView(view, true);
}

function webViewerNamedAction(evt) {
  switch (evt.action) {
    case "GoToPage":
      PDFViewerApplication.appConfig.toolbar.pageNumber.select();
      break;

    case "Find":
      if (!PDFViewerApplication.supportsIntegratedFind) {
        PDFViewerApplication.findBar.toggle();
      }

      break;

    case "Print":
      PDFViewerApplication.triggerPrinting();
      break;

    case "SaveAs":
      PDFViewerApplication.downloadOrSave();
      break;
  }
}

function webViewerPresentationModeChanged(evt) {
  PDFViewerApplication.pdfViewer.presentationModeState = evt.state;
}

function webViewerSidebarViewChanged({
  view
}) {
  PDFViewerApplication.pdfRenderingQueue.isThumbnailViewEnabled = view === _ui_utils.SidebarView.THUMBS;

  if (PDFViewerApplication.isInitialViewSet) {
    PDFViewerApplication.store?.set("sidebarView", view).catch(() => {});
  }
}

function webViewerUpdateViewarea({
  location
}) {
  if (PDFViewerApplication.isInitialViewSet) {
    PDFViewerApplication.store?.setMultiple({
      page: location.pageNumber,
      zoom: location.scale,
      scrollLeft: location.left,
      scrollTop: location.top,
      rotation: location.rotation
    }).catch(() => {});
  }

  const href = PDFViewerApplication.pdfLinkService.getAnchorUrl(location.pdfOpenParams);
  PDFViewerApplication.appConfig.toolbar.viewBookmark.href = href;
  PDFViewerApplication.appConfig.secondaryToolbar.viewBookmarkButton.href = href;
  const currentPage = PDFViewerApplication.pdfViewer.getPageView(PDFViewerApplication.page - 1);
  const loading = currentPage?.renderingState !== _ui_utils.RenderingStates.FINISHED;
  PDFViewerApplication.toolbar.updateLoadingIndicatorState(loading);
}

function webViewerScrollModeChanged(evt) {
  if (PDFViewerApplication.isInitialViewSet) {
    PDFViewerApplication.store?.set("scrollMode", evt.mode).catch(() => {});
  }
}

function webViewerSpreadModeChanged(evt) {
  if (PDFViewerApplication.isInitialViewSet) {
    PDFViewerApplication.store?.set("spreadMode", evt.mode).catch(() => {});
  }
}

function webViewerResize() {
  const {
    pdfDocument,
    pdfViewer,
    pdfRenderingQueue
  } = PDFViewerApplication;

  if (pdfRenderingQueue.printing && window.matchMedia("print").matches) {
    return;
  }

  pdfViewer.updateContainerHeightCss();

  if (!pdfDocument) {
    return;
  }

  const currentScaleValue = pdfViewer.currentScaleValue;

  if (currentScaleValue === "auto" || currentScaleValue === "page-fit" || currentScaleValue === "page-width") {
    pdfViewer.currentScaleValue = currentScaleValue;
  }

  pdfViewer.update();
}

function webViewerHashchange(evt) {
  const hash = evt.hash;

  if (!hash) {
    return;
  }

  if (!PDFViewerApplication.isInitialViewSet) {
    PDFViewerApplication.initialBookmark = hash;
  } else if (!PDFViewerApplication.pdfHistory?.popStateInProgress) {
    PDFViewerApplication.pdfLinkService.setHash(hash);
  }
}

{
  var webViewerFileInputChange = function (evt) {
    if (PDFViewerApplication.pdfViewer?.isInPresentationMode) {
      return;
    }

    const file = evt.fileInput.files[0];
    let url = URL.createObjectURL(file);

    if (file.name) {
      url = {
        url,
        originalUrl: file.name
      };
    }

    PDFViewerApplication.open(url);
  };

  var webViewerOpenFile = function (evt) {
    const fileInput = PDFViewerApplication.appConfig.openFileInput;
    fileInput.click();
  };
}

function webViewerPresentationMode() {
  PDFViewerApplication.requestPresentationMode();
}

function webViewerSwitchAnnotationEditorMode(evt) {
  PDFViewerApplication.pdfViewer.annotationEditorMode = evt.mode;
}

function webViewerSwitchAnnotationEditorParams(evt) {
  PDFViewerApplication.pdfViewer.annotationEditorParams = evt;
}

function webViewerPrint() {
  PDFViewerApplication.triggerPrinting();
}

function webViewerDownload() {
  PDFViewerApplication.downloadOrSave();
}

function webViewerFirstPage() {
  if (PDFViewerApplication.pdfDocument) {
    PDFViewerApplication.page = 1;
  }
}

function webViewerLastPage() {
  if (PDFViewerApplication.pdfDocument) {
    PDFViewerApplication.page = PDFViewerApplication.pagesCount;
  }
}

function webViewerNextPage() {
  PDFViewerApplication.pdfViewer.nextPage();
}

function webViewerPreviousPage() {
  PDFViewerApplication.pdfViewer.previousPage();
}

function webViewerZoomIn() {
  PDFViewerApplication.zoomIn();
}

function webViewerZoomOut() {
  PDFViewerApplication.zoomOut();
}

function webViewerZoomReset() {
  PDFViewerApplication.zoomReset();
}

function webViewerPageNumberChanged(evt) {
  const pdfViewer = PDFViewerApplication.pdfViewer;

  if (evt.value !== "") {
    PDFViewerApplication.pdfLinkService.goToPage(evt.value);
  }

  if (evt.value !== pdfViewer.currentPageNumber.toString() && evt.value !== pdfViewer.currentPageLabel) {
    PDFViewerApplication.toolbar.setPageNumber(pdfViewer.currentPageNumber, pdfViewer.currentPageLabel);
  }
}

function webViewerScaleChanged(evt) {
  PDFViewerApplication.pdfViewer.currentScaleValue = evt.value;
}

function webViewerRotateCw() {
  PDFViewerApplication.rotatePages(90);
}

function webViewerRotateCcw() {
  PDFViewerApplication.rotatePages(-90);
}

function webViewerOptionalContentConfig(evt) {
  PDFViewerApplication.pdfViewer.optionalContentConfigPromise = evt.promise;
}

function webViewerSwitchScrollMode(evt) {
  PDFViewerApplication.pdfViewer.scrollMode = evt.mode;
}

function webViewerSwitchSpreadMode(evt) {
  PDFViewerApplication.pdfViewer.spreadMode = evt.mode;
}

function webViewerDocumentProperties() {
  PDFViewerApplication.pdfDocumentProperties.open();
}

function webViewerFindFromUrlHash(evt) {
  PDFViewerApplication.eventBus.dispatch("find", {
    source: evt.source,
    type: "",
    query: evt.query,
    phraseSearch: evt.phraseSearch,
    caseSensitive: false,
    entireWord: false,
    highlightAll: true,
    findPrevious: false,
    matchDiacritics: true
  });
}

function webViewerUpdateFindMatchesCount({
  matchesCount
}) {
  if (PDFViewerApplication.supportsIntegratedFind) {
    PDFViewerApplication.externalServices.updateFindMatchesCount(matchesCount);
  } else {
    PDFViewerApplication.findBar.updateResultsCount(matchesCount);
  }
}

function webViewerUpdateFindControlState({
  state,
  previous,
  matchesCount,
  rawQuery
}) {
  if (PDFViewerApplication.supportsIntegratedFind) {
    PDFViewerApplication.externalServices.updateFindControlState({
      result: state,
      findPrevious: previous,
      matchesCount,
      rawQuery
    });
  } else {
    PDFViewerApplication.findBar.updateUIState(state, previous, matchesCount);
  }
}

function webViewerScaleChanging(evt) {
  PDFViewerApplication.toolbar.setPageScale(evt.presetValue, evt.scale);
  PDFViewerApplication.pdfViewer.update();
}

function webViewerRotationChanging(evt) {
  PDFViewerApplication.pdfThumbnailViewer.pagesRotation = evt.pagesRotation;
  PDFViewerApplication.forceRendering();
  PDFViewerApplication.pdfViewer.currentPageNumber = evt.pageNumber;
}

function webViewerPageChanging({
  pageNumber,
  pageLabel
}) {
  PDFViewerApplication.toolbar.setPageNumber(pageNumber, pageLabel);
  PDFViewerApplication.secondaryToolbar.setPageNumber(pageNumber);

  if (PDFViewerApplication.pdfSidebar.visibleView === _ui_utils.SidebarView.THUMBS) {
    PDFViewerApplication.pdfThumbnailViewer.scrollThumbnailIntoView(pageNumber);
  }
}

function webViewerResolutionChange(evt) {
  PDFViewerApplication.pdfViewer.refresh();
}

function webViewerVisibilityChange(evt) {
  if (document.visibilityState === "visible") {
    setZoomDisabledTimeout();
  }
}

let zoomDisabledTimeout = null;

function setZoomDisabledTimeout() {
  if (zoomDisabledTimeout) {
    clearTimeout(zoomDisabledTimeout);
  }

  zoomDisabledTimeout = setTimeout(function () {
    zoomDisabledTimeout = null;
  }, WHEEL_ZOOM_DISABLED_TIMEOUT);
}

function webViewerWheel(evt) {
  const {
    pdfViewer,
    supportedMouseWheelZoomModifierKeys
  } = PDFViewerApplication;

  if (pdfViewer.isInPresentationMode) {
    return;
  }

  if (evt.ctrlKey && supportedMouseWheelZoomModifierKeys.ctrlKey || evt.metaKey && supportedMouseWheelZoomModifierKeys.metaKey) {
    evt.preventDefault();

    if (zoomDisabledTimeout || document.visibilityState === "hidden") {
      return;
    }

    const deltaMode = evt.deltaMode;
    const delta = (0, _ui_utils.normalizeWheelEventDirection)(evt);
    const previousScale = pdfViewer.currentScale;
    let ticks = 0;

    if (deltaMode === WheelEvent.DOM_DELTA_LINE || deltaMode === WheelEvent.DOM_DELTA_PAGE) {
      if (Math.abs(delta) >= 1) {
        ticks = Math.sign(delta);
      } else {
        ticks = PDFViewerApplication.accumulateWheelTicks(delta);
      }
    } else {
      const PIXELS_PER_LINE_SCALE = 30;
      ticks = PDFViewerApplication.accumulateWheelTicks(delta / PIXELS_PER_LINE_SCALE);
    }

    if (ticks < 0) {
      PDFViewerApplication.zoomOut(-ticks);
    } else if (ticks > 0) {
      PDFViewerApplication.zoomIn(ticks);
    }

    const currentScale = pdfViewer.currentScale;

    if (previousScale !== currentScale) {
      const scaleCorrectionFactor = currentScale / previousScale - 1;
      const rect = pdfViewer.container.getBoundingClientRect();
      const dx = evt.clientX - rect.left;
      const dy = evt.clientY - rect.top;
      pdfViewer.container.scrollLeft += dx * scaleCorrectionFactor;
      pdfViewer.container.scrollTop += dy * scaleCorrectionFactor;
    }
  } else {
    setZoomDisabledTimeout();
  }
}

function webViewerTouchStart(evt) {
  if (evt.touches.length > 1) {
    evt.preventDefault();
  }
}

function webViewerClick(evt) {
  if (!PDFViewerApplication.secondaryToolbar.isOpen) {
    return;
  }

  const appConfig = PDFViewerApplication.appConfig;

  if (PDFViewerApplication.pdfViewer.containsElement(evt.target) || appConfig.toolbar.container.contains(evt.target) && evt.target !== appConfig.secondaryToolbar.toggleButton) {
    PDFViewerApplication.secondaryToolbar.close();
  }
}

function webViewerKeyDown(evt) {
  if (PDFViewerApplication.overlayManager.active) {
    return;
  }

  const {
    eventBus,
    pdfViewer
  } = PDFViewerApplication;
  const isViewerInPresentationMode = pdfViewer.isInPresentationMode;
  let handled = false,
      ensureViewerFocused = false;
  const cmd = (evt.ctrlKey ? 1 : 0) | (evt.altKey ? 2 : 0) | (evt.shiftKey ? 4 : 0) | (evt.metaKey ? 8 : 0);

  if (cmd === 1 || cmd === 8 || cmd === 5 || cmd === 12) {
    switch (evt.keyCode) {
      case 70:
        if (!PDFViewerApplication.supportsIntegratedFind && !evt.shiftKey) {
          PDFViewerApplication.findBar.open();
          handled = true;
        }

        break;

      case 71:
        if (!PDFViewerApplication.supportsIntegratedFind) {
          const {
            state
          } = PDFViewerApplication.findController;

          if (state) {
            const eventState = Object.assign(Object.create(null), state, {
              source: window,
              type: "again",
              findPrevious: cmd === 5 || cmd === 12
            });
            eventBus.dispatch("find", eventState);
          }

          handled = true;
        }

        break;

      case 61:
      case 107:
      case 187:
      case 171:
        if (!isViewerInPresentationMode) {
          PDFViewerApplication.zoomIn();
        }

        handled = true;
        break;

      case 173:
      case 109:
      case 189:
        if (!isViewerInPresentationMode) {
          PDFViewerApplication.zoomOut();
        }

        handled = true;
        break;

      case 48:
      case 96:
        if (!isViewerInPresentationMode) {
          setTimeout(function () {
            PDFViewerApplication.zoomReset();
          });
          handled = false;
        }

        break;

      case 38:
        if (isViewerInPresentationMode || PDFViewerApplication.page > 1) {
          PDFViewerApplication.page = 1;
          handled = true;
          ensureViewerFocused = true;
        }

        break;

      case 40:
        if (isViewerInPresentationMode || PDFViewerApplication.page < PDFViewerApplication.pagesCount) {
          PDFViewerApplication.page = PDFViewerApplication.pagesCount;
          handled = true;
          ensureViewerFocused = true;
        }

        break;
    }
  }

  if (cmd === 1 || cmd === 8) {
    switch (evt.keyCode) {
      case 83:
        eventBus.dispatch("download", {
          source: window
        });
        handled = true;
        break;

      case 79:
        {
          eventBus.dispatch("openfile", {
            source: window
          });
          handled = true;
        }
        break;
    }
  }

  if (cmd === 3 || cmd === 10) {
    switch (evt.keyCode) {
      case 80:
        PDFViewerApplication.requestPresentationMode();
        handled = true;
        break;

      case 71:
        PDFViewerApplication.appConfig.toolbar.pageNumber.select();
        handled = true;
        break;
    }
  }

  if (handled) {
    if (ensureViewerFocused && !isViewerInPresentationMode) {
      pdfViewer.focus();
    }

    evt.preventDefault();
    return;
  }

  const curElement = (0, _ui_utils.getActiveOrFocusedElement)();
  const curElementTagName = curElement?.tagName.toUpperCase();

  if (curElementTagName === "INPUT" || curElementTagName === "TEXTAREA" || curElementTagName === "SELECT" || curElement?.isContentEditable) {
    if (evt.keyCode !== 27) {
      return;
    }
  }

  if (cmd === 0) {
    let turnPage = 0,
        turnOnlyIfPageFit = false;

    switch (evt.keyCode) {
      case 38:
      case 33:
        if (pdfViewer.isVerticalScrollbarEnabled) {
          turnOnlyIfPageFit = true;
        }

        turnPage = -1;
        break;

      case 8:
        if (!isViewerInPresentationMode) {
          turnOnlyIfPageFit = true;
        }

        turnPage = -1;
        break;

      case 37:
        if (pdfViewer.isHorizontalScrollbarEnabled) {
          turnOnlyIfPageFit = true;
        }

      case 75:
      case 80:
        turnPage = -1;
        break;

      case 27:
        if (PDFViewerApplication.secondaryToolbar.isOpen) {
          PDFViewerApplication.secondaryToolbar.close();
          handled = true;
        }

        if (!PDFViewerApplication.supportsIntegratedFind && PDFViewerApplication.findBar.opened) {
          PDFViewerApplication.findBar.close();
          handled = true;
        }

        break;

      case 40:
      case 34:
        if (pdfViewer.isVerticalScrollbarEnabled) {
          turnOnlyIfPageFit = true;
        }

        turnPage = 1;
        break;

      case 13:
      case 32:
        if (!isViewerInPresentationMode) {
          turnOnlyIfPageFit = true;
        }

        turnPage = 1;
        break;

      case 39:
        if (pdfViewer.isHorizontalScrollbarEnabled) {
          turnOnlyIfPageFit = true;
        }

      case 74:
      case 78:
        turnPage = 1;
        break;

      case 36:
        if (isViewerInPresentationMode || PDFViewerApplication.page > 1) {
          PDFViewerApplication.page = 1;
          handled = true;
          ensureViewerFocused = true;
        }

        break;

      case 35:
        if (isViewerInPresentationMode || PDFViewerApplication.page < PDFViewerApplication.pagesCount) {
          PDFViewerApplication.page = PDFViewerApplication.pagesCount;
          handled = true;
          ensureViewerFocused = true;
        }

        break;

      case 83:
        PDFViewerApplication.pdfCursorTools.switchTool(_pdf_cursor_tools.CursorTool.SELECT);
        break;

      case 72:
        PDFViewerApplication.pdfCursorTools.switchTool(_pdf_cursor_tools.CursorTool.HAND);
        break;

      case 82:
        PDFViewerApplication.rotatePages(90);
        break;

      case 115:
        PDFViewerApplication.pdfSidebar.toggle();
        break;
    }

    if (turnPage !== 0 && (!turnOnlyIfPageFit || pdfViewer.currentScaleValue === "page-fit")) {
      if (turnPage > 0) {
        pdfViewer.nextPage();
      } else {
        pdfViewer.previousPage();
      }

      handled = true;
    }
  }

  if (cmd === 4) {
    switch (evt.keyCode) {
      case 13:
      case 32:
        if (!isViewerInPresentationMode && pdfViewer.currentScaleValue !== "page-fit") {
          break;
        }

        pdfViewer.previousPage();
        handled = true;
        break;

      case 82:
        PDFViewerApplication.rotatePages(-90);
        break;
    }
  }

  if (!handled && !isViewerInPresentationMode) {
    if (evt.keyCode >= 33 && evt.keyCode <= 40 || evt.keyCode === 32 && curElementTagName !== "BUTTON") {
      ensureViewerFocused = true;
    }
  }

  if (ensureViewerFocused && !pdfViewer.containsElement(curElement)) {
    pdfViewer.focus();
  }

  if (handled) {
    evt.preventDefault();
  }
}

function beforeUnload(evt) {
  evt.preventDefault();
  evt.returnValue = "";
  return false;
}

function webViewerAnnotationEditorStatesChanged(data) {
  PDFViewerApplication.externalServices.updateEditorStates(data);
}

const PDFPrintServiceFactory = {
  instance: {
    supportsPrinting: false,

    createPrintService() {
      throw new Error("Not implemented: createPrintService");
    }

  }
};
exports.PDFPrintServiceFactory = PDFPrintServiceFactory;

/***/ }),
/* 5 */
/***/ ((module) => {



let pdfjsLib;

if (typeof window !== "undefined" && window["pdfjs-dist/build/pdf"]) {
  pdfjsLib = window["pdfjs-dist/build/pdf"];
} else {
  pdfjsLib = require("../build/pdf.js");
}

module.exports = pdfjsLib;

/***/ }),
/* 6 */
/***/ ((__unused_webpack_module, exports) => {



Object.defineProperty(exports, "__esModule", ({
  value: true
}));
exports.WaitOnType = exports.EventBus = exports.AutomationEventBus = void 0;
exports.waitOnEventOrTimeout = waitOnEventOrTimeout;
const WaitOnType = {
  EVENT: "event",
  TIMEOUT: "timeout"
};
exports.WaitOnType = WaitOnType;

function waitOnEventOrTimeout({
  target,
  name,
  delay = 0
}) {
  return new Promise(function (resolve, reject) {
    if (typeof target !== "object" || !(name && typeof name === "string") || !(Number.isInteger(delay) && delay >= 0)) {
      throw new Error("waitOnEventOrTimeout - invalid parameters.");
    }

    function handler(type) {
      if (target instanceof EventBus) {
        target._off(name, eventHandler);
      } else {
        target.removeEventListener(name, eventHandler);
      }

      if (timeout) {
        clearTimeout(timeout);
      }

      resolve(type);
    }

    const eventHandler = handler.bind(null, WaitOnType.EVENT);

    if (target instanceof EventBus) {
      target._on(name, eventHandler);
    } else {
      target.addEventListener(name, eventHandler);
    }

    const timeoutHandler = handler.bind(null, WaitOnType.TIMEOUT);
    const timeout = setTimeout(timeoutHandler, delay);
  });
}

class EventBus {
  constructor() {
    this._listeners = Object.create(null);
  }

  on(eventName, listener, options = null) {
    this._on(eventName, listener, {
      external: true,
      once: options?.once
    });
  }

  off(eventName, listener, options = null) {
    this._off(eventName, listener, {
      external: true,
      once: options?.once
    });
  }

  dispatch(eventName, data) {
    const eventListeners = this._listeners[eventName];

    if (!eventListeners || eventListeners.length === 0) {
      return;
    }

    let externalListeners;

    for (const {
      listener,
      external,
      once
    } of eventListeners.slice(0)) {
      if (once) {
        this._off(eventName, listener);
      }

      if (external) {
        (externalListeners ||= []).push(listener);
        continue;
      }

      listener(data);
    }

    if (externalListeners) {
      for (const listener of externalListeners) {
        listener(data);
      }

      externalListeners = null;
    }
  }

  _on(eventName, listener, options = null) {
    const eventListeners = this._listeners[eventName] ||= [];
    eventListeners.push({
      listener,
      external: options?.external === true,
      once: options?.once === true
    });
  }

  _off(eventName, listener, options = null) {
    const eventListeners = this._listeners[eventName];

    if (!eventListeners) {
      return;
    }

    for (let i = 0, ii = eventListeners.length; i < ii; i++) {
      if (eventListeners[i].listener === listener) {
        eventListeners.splice(i, 1);
        return;
      }
    }
  }

}

exports.EventBus = EventBus;

class AutomationEventBus extends EventBus {
  dispatch(eventName, data) {
    throw new Error("Not implemented: AutomationEventBus.dispatch");
  }

}

exports.AutomationEventBus = AutomationEventBus;

/***/ }),
/* 7 */
/***/ ((__unused_webpack_module, exports, __webpack_require__) => {



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

var _grab_to_pan = __webpack_require__(8);

var _ui_utils = __webpack_require__(1);

const CursorTool = {
  SELECT: 0,
  HAND: 1,
  ZOOM: 2
};
exports.CursorTool = CursorTool;

class PDFCursorTools {
  constructor({
    container,
    eventBus,
    cursorToolOnLoad = CursorTool.SELECT
  }) {
    this.container = container;
    this.eventBus = eventBus;
    this.active = CursorTool.SELECT;
    this.activeBeforePresentationMode = null;
    this.handTool = new _grab_to_pan.GrabToPan({
      element: this.container
    });
    this.#addEventListeners();
    Promise.resolve().then(() => {
      this.switchTool(cursorToolOnLoad);
    });
  }

  get activeTool() {
    return this.active;
  }

  switchTool(tool) {
    if (this.activeBeforePresentationMode !== null) {
      return;
    }

    if (tool === this.active) {
      return;
    }

    const disableActiveTool = () => {
      switch (this.active) {
        case CursorTool.SELECT:
          break;

        case CursorTool.HAND:
          this.handTool.deactivate();
          break;

        case CursorTool.ZOOM:
      }
    };

    switch (tool) {
      case CursorTool.SELECT:
        disableActiveTool();
        break;

      case CursorTool.HAND:
        disableActiveTool();
        this.handTool.activate();
        break;

      case CursorTool.ZOOM:
      default:
        console.error(`switchTool: "${tool}" is an unsupported value.`);
        return;
    }

    this.active = tool;
    this.#dispatchEvent();
  }

  #dispatchEvent() {
    this.eventBus.dispatch("cursortoolchanged", {
      source: this,
      tool: this.active
    });
  }

  #addEventListeners() {
    this.eventBus._on("switchcursortool", evt => {
      this.switchTool(evt.tool);
    });

    this.eventBus._on("presentationmodechanged", evt => {
      switch (evt.state) {
        case _ui_utils.PresentationModeState.FULLSCREEN:
          {
            const previouslyActive = this.active;
            this.switchTool(CursorTool.SELECT);
            this.activeBeforePresentationMode = previouslyActive;
            break;
          }

        case _ui_utils.PresentationModeState.NORMAL:
          {
            const previouslyActive = this.activeBeforePresentationMode;
            this.activeBeforePresentationMode = null;
            this.switchTool(previouslyActive);
            break;
          }
      }
    });
  }

}

exports.PDFCursorTools = PDFCursorTools;

/***/ }),
/* 8 */
/***/ ((__unused_webpack_module, exports) => {



Object.defineProperty(exports, "__esModule", ({
  value: true
}));
exports.GrabToPan = void 0;
const CSS_CLASS_GRAB = "grab-to-pan-grab";

class GrabToPan {
  constructor(options) {
    this.element = options.element;
    this.document = options.element.ownerDocument;

    if (typeof options.ignoreTarget === "function") {
      this.ignoreTarget = options.ignoreTarget;
    }

    this.onActiveChanged = options.onActiveChanged;
    this.activate = this.activate.bind(this);
    this.deactivate = this.deactivate.bind(this);
    this.toggle = this.toggle.bind(this);
    this._onMouseDown = this.#onMouseDown.bind(this);
    this._onMouseMove = this.#onMouseMove.bind(this);
    this._endPan = this.#endPan.bind(this);
    const overlay = this.overlay = document.createElement("div");
    overlay.className = "grab-to-pan-grabbing";
  }

  activate() {
    if (!this.active) {
      this.active = true;
      this.element.addEventListener("mousedown", this._onMouseDown, true);
      this.element.classList.add(CSS_CLASS_GRAB);
      this.onActiveChanged?.(true);
    }
  }

  deactivate() {
    if (this.active) {
      this.active = false;
      this.element.removeEventListener("mousedown", this._onMouseDown, true);

      this._endPan();

      this.element.classList.remove(CSS_CLASS_GRAB);
      this.onActiveChanged?.(false);
    }
  }

  toggle() {
    if (this.active) {
      this.deactivate();
    } else {
      this.activate();
    }
  }

  ignoreTarget(node) {
    return node.matches("a[href], a[href] *, input, textarea, button, button *, select, option");
  }

  #onMouseDown(event) {
    if (event.button !== 0 || this.ignoreTarget(event.target)) {
      return;
    }

    if (event.originalTarget) {
      try {
        event.originalTarget.tagName;
      } catch (e) {
        return;
      }
    }

    this.scrollLeftStart = this.element.scrollLeft;
    this.scrollTopStart = this.element.scrollTop;
    this.clientXStart = event.clientX;
    this.clientYStart = event.clientY;
    this.document.addEventListener("mousemove", this._onMouseMove, true);
    this.document.addEventListener("mouseup", this._endPan, true);
    this.element.addEventListener("scroll", this._endPan, true);
    event.preventDefault();
    event.stopPropagation();
    const focusedElement = document.activeElement;

    if (focusedElement && !focusedElement.contains(event.target)) {
      focusedElement.blur();
    }
  }

  #onMouseMove(event) {
    this.element.removeEventListener("scroll", this._endPan, true);

    if (!(event.buttons & 1)) {
      this._endPan();

      return;
    }

    const xDiff = event.clientX - this.clientXStart;
    const yDiff = event.clientY - this.clientYStart;
    const scrollTop = this.scrollTopStart - yDiff;
    const scrollLeft = this.scrollLeftStart - xDiff;

    if (this.element.scrollTo) {
      this.element.scrollTo({
        top: scrollTop,
        left: scrollLeft,
        behavior: "instant"
      });
    } else {
      this.element.scrollTop = scrollTop;
      this.element.scrollLeft = scrollLeft;
    }

    if (!this.overlay.parentNode) {
      document.body.append(this.overlay);
    }
  }

  #endPan() {
    this.element.removeEventListener("scroll", this._endPan, true);
    this.document.removeEventListener("mousemove", this._onMouseMove, true);
    this.document.removeEventListener("mouseup", this._endPan, true);
    this.overlay.remove();
  }

}

exports.GrabToPan = GrabToPan;

/***/ }),
/* 9 */
/***/ ((__unused_webpack_module, exports, __webpack_require__) => {



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

var _pdfjsLib = __webpack_require__(5);

class AnnotationEditorParams {
  constructor(options, eventBus) {
    this.eventBus = eventBus;
    this.#bindListeners(options);
  }

  #bindListeners({
    editorFreeTextFontSize,
    editorFreeTextColor,
    editorInkColor,
    editorInkThickness,
    editorInkOpacity
  }) {
    editorFreeTextFontSize.addEventListener("input", evt => {
      this.eventBus.dispatch("switchannotationeditorparams", {
        source: this,
        type: _pdfjsLib.AnnotationEditorParamsType.FREETEXT_SIZE,
        value: editorFreeTextFontSize.valueAsNumber
      });
    });
    editorFreeTextColor.addEventListener("input", evt => {
      this.eventBus.dispatch("switchannotationeditorparams", {
        source: this,
        type: _pdfjsLib.AnnotationEditorParamsType.FREETEXT_COLOR,
        value: editorFreeTextColor.value
      });
    });
    editorInkColor.addEventListener("input", evt => {
      this.eventBus.dispatch("switchannotationeditorparams", {
        source: this,
        type: _pdfjsLib.AnnotationEditorParamsType.INK_COLOR,
        value: editorInkColor.value
      });
    });
    editorInkThickness.addEventListener("input", evt => {
      this.eventBus.dispatch("switchannotationeditorparams", {
        source: this,
        type: _pdfjsLib.AnnotationEditorParamsType.INK_THICKNESS,
        value: editorInkThickness.valueAsNumber
      });
    });
    editorInkOpacity.addEventListener("input", evt => {
      this.eventBus.dispatch("switchannotationeditorparams", {
        source: this,
        type: _pdfjsLib.AnnotationEditorParamsType.INK_OPACITY,
        value: editorInkOpacity.valueAsNumber
      });
    });

    this.eventBus._on("annotationeditorparamschanged", evt => {
      for (const [type, value] of evt.details) {
        switch (type) {
          case _pdfjsLib.AnnotationEditorParamsType.FREETEXT_SIZE:
            editorFreeTextFontSize.value = value;
            break;

          case _pdfjsLib.AnnotationEditorParamsType.FREETEXT_COLOR:
            editorFreeTextColor.value = value;
            break;

          case _pdfjsLib.AnnotationEditorParamsType.INK_COLOR:
            editorInkColor.value = value;
            break;

          case _pdfjsLib.AnnotationEditorParamsType.INK_THICKNESS:
            editorInkThickness.value = value;
            break;

          case _pdfjsLib.AnnotationEditorParamsType.INK_OPACITY:
            editorInkOpacity.value = value;
            break;
        }
      }
    });
  }

}

exports.AnnotationEditorParams = AnnotationEditorParams;

/***/ }),
/* 10 */
/***/ ((__unused_webpack_module, exports) => {



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

class OverlayManager {
  #overlays = new WeakMap();
  #active = null;

  get active() {
    return this.#active;
  }

  async register(dialog, canForceClose = false) {
    if (typeof dialog !== "object") {
      throw new Error("Not enough parameters.");
    } else if (this.#overlays.has(dialog)) {
      throw new Error("The overlay is already registered.");
    }

    this.#overlays.set(dialog, {
      canForceClose
    });
    dialog.addEventListener("cancel", evt => {
      this.#active = null;
    });
  }

  async unregister(dialog) {
    if (!this.#overlays.has(dialog)) {
      throw new Error("The overlay does not exist.");
    } else if (this.#active === dialog) {
      throw new Error("The overlay cannot be removed while it is active.");
    }

    this.#overlays.delete(dialog);
  }

  async open(dialog) {
    if (!this.#overlays.has(dialog)) {
      throw new Error("The overlay does not exist.");
    } else if (this.#active) {
      if (this.#active === dialog) {
        throw new Error("The overlay is already active.");
      } else if (this.#overlays.get(dialog).canForceClose) {
        await this.close();
      } else {
        throw new Error("Another overlay is currently active.");
      }
    }

    this.#active = dialog;
    dialog.showModal();
  }

  async close(dialog = this.#active) {
    if (!this.#overlays.has(dialog)) {
      throw new Error("The overlay does not exist.");
    } else if (!this.#active) {
      throw new Error("The overlay is currently not active.");
    } else if (this.#active !== dialog) {
      throw new Error("Another overlay is currently active.");
    }

    dialog.close();
    this.#active = null;
  }

}

exports.OverlayManager = OverlayManager;

/***/ }),
/* 11 */
/***/ ((__unused_webpack_module, exports, __webpack_require__) => {



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

var _pdfjsLib = __webpack_require__(5);

class PasswordPrompt {
  #activeCapability = null;
  #updateCallback = null;
  #reason = null;

  constructor(options, overlayManager, l10n, isViewerEmbedded = false) {
    this.dialog = options.dialog;
    this.label = options.label;
    this.input = options.input;
    this.submitButton = options.submitButton;
    this.cancelButton = options.cancelButton;
    this.overlayManager = overlayManager;
    this.l10n = l10n;
    this._isViewerEmbedded = isViewerEmbedded;
    this.submitButton.addEventListener("click", this.#verify.bind(this));
    this.cancelButton.addEventListener("click", this.close.bind(this));
    this.input.addEventListener("keydown", e => {
      if (e.keyCode === 13) {
        this.#verify();
      }
    });
    this.overlayManager.register(this.dialog, true);
    this.dialog.addEventListener("close", this.#cancel.bind(this));
  }

  async open() {
    if (this.#activeCapability) {
      await this.#activeCapability.promise;
    }

    this.#activeCapability = (0, _pdfjsLib.createPromiseCapability)();

    try {
      await this.overlayManager.open(this.dialog);
    } catch (ex) {
      this.#activeCapability = null;
      throw ex;
    }

    const passwordIncorrect = this.#reason === _pdfjsLib.PasswordResponses.INCORRECT_PASSWORD;

    if (!this._isViewerEmbedded || passwordIncorrect) {
      this.input.focus();
    }

    this.label.textContent = await this.l10n.get(`password_${passwordIncorrect ? "invalid" : "label"}`);
  }

  async close() {
    if (this.overlayManager.active === this.dialog) {
      this.overlayManager.close(this.dialog);
    }
  }

  #verify() {
    const password = this.input.value;

    if (password?.length > 0) {
      this.#invokeCallback(password);
    }
  }

  #cancel() {
    this.#invokeCallback(new Error("PasswordPrompt cancelled."));
    this.#activeCapability.resolve();
  }

  #invokeCallback(password) {
    if (!this.#updateCallback) {
      return;
    }

    this.close();
    this.input.value = "";
    this.#updateCallback(password);
    this.#updateCallback = null;
  }

  async setUpdateCallback(updateCallback, reason) {
    if (this.#activeCapability) {
      await this.#activeCapability.promise;
    }

    this.#updateCallback = updateCallback;
    this.#reason = reason;
  }

}

exports.PasswordPrompt = PasswordPrompt;

/***/ }),
/* 12 */
/***/ ((__unused_webpack_module, exports, __webpack_require__) => {



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

var _pdfjsLib = __webpack_require__(5);

var _base_tree_viewer = __webpack_require__(13);

var _event_utils = __webpack_require__(6);

class PDFAttachmentViewer extends _base_tree_viewer.BaseTreeViewer {
  constructor(options) {
    super(options);
    this.downloadManager = options.downloadManager;

    this.eventBus._on("fileattachmentannotation", this.#appendAttachment.bind(this));
  }

  reset(keepRenderedCapability = false) {
    super.reset();
    this._attachments = null;

    if (!keepRenderedCapability) {
      this._renderedCapability = (0, _pdfjsLib.createPromiseCapability)();
    }

    this._pendingDispatchEvent = false;
  }

  async _dispatchEvent(attachmentsCount) {
    this._renderedCapability.resolve();

    if (attachmentsCount === 0 && !this._pendingDispatchEvent) {
      this._pendingDispatchEvent = true;
      await (0, _event_utils.waitOnEventOrTimeout)({
        target: this.eventBus,
        name: "annotationlayerrendered",
        delay: 1000
      });

      if (!this._pendingDispatchEvent) {
        return;
      }
    }

    this._pendingDispatchEvent = false;
    this.eventBus.dispatch("attachmentsloaded", {
      source: this,
      attachmentsCount
    });
  }

  _bindLink(element, {
    content,
    filename
  }) {
    element.onclick = () => {
      this.downloadManager.openOrDownloadData(element, content, filename);
      return false;
    };
  }

  render({
    attachments,
    keepRenderedCapability = false
  }) {
    if (this._attachments) {
      this.reset(keepRenderedCapability);
    }

    this._attachments = attachments || null;

    if (!attachments) {
      this._dispatchEvent(0);

      return;
    }

    const names = Object.keys(attachments).sort(function (a, b) {
      return a.toLowerCase().localeCompare(b.toLowerCase());
    });
    const fragment = document.createDocumentFragment();
    let attachmentsCount = 0;

    for (const name of names) {
      const item = attachments[name];
      const content = item.content,
            filename = (0, _pdfjsLib.getFilenameFromUrl)(item.filename);
      const div = document.createElement("div");
      div.className = "treeItem";
      const element = document.createElement("a");

      this._bindLink(element, {
        content,
        filename
      });

      element.textContent = this._normalizeTextContent(filename);
      div.append(element);
      fragment.append(div);
      attachmentsCount++;
    }

    this._finishRendering(fragment, attachmentsCount);
  }

  #appendAttachment({
    filename,
    content
  }) {
    const renderedPromise = this._renderedCapability.promise;
    renderedPromise.then(() => {
      if (renderedPromise !== this._renderedCapability.promise) {
        return;
      }

      const attachments = this._attachments || Object.create(null);

      for (const name in attachments) {
        if (filename === name) {
          return;
        }
      }

      attachments[filename] = {
        filename,
        content
      };
      this.render({
        attachments,
        keepRenderedCapability: true
      });
    });
  }

}

exports.PDFAttachmentViewer = PDFAttachmentViewer;

/***/ }),
/* 13 */
/***/ ((__unused_webpack_module, exports, __webpack_require__) => {



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

var _ui_utils = __webpack_require__(1);

const TREEITEM_OFFSET_TOP = -100;
const TREEITEM_SELECTED_CLASS = "selected";

class BaseTreeViewer {
  constructor(options) {
    if (this.constructor === BaseTreeViewer) {
      throw new Error("Cannot initialize BaseTreeViewer.");
    }

    this.container = options.container;
    this.eventBus = options.eventBus;
    this.reset();
  }

  reset() {
    this._pdfDocument = null;
    this._lastToggleIsShow = true;
    this._currentTreeItem = null;
    this.container.textContent = "";
    this.container.classList.remove("treeWithDeepNesting");
  }

  _dispatchEvent(count) {
    throw new Error("Not implemented: _dispatchEvent");
  }

  _bindLink(element, params) {
    throw new Error("Not implemented: _bindLink");
  }

  _normalizeTextContent(str) {
    return (0, _ui_utils.removeNullCharacters)(str, true) || "\u2013";
  }

  _addToggleButton(div, hidden = false) {
    const toggler = document.createElement("div");
    toggler.className = "treeItemToggler";

    if (hidden) {
      toggler.classList.add("treeItemsHidden");
    }

    toggler.onclick = evt => {
      evt.stopPropagation();
      toggler.classList.toggle("treeItemsHidden");

      if (evt.shiftKey) {
        const shouldShowAll = !toggler.classList.contains("treeItemsHidden");

        this._toggleTreeItem(div, shouldShowAll);
      }
    };

    div.prepend(toggler);
  }

  _toggleTreeItem(root, show = false) {
    this._lastToggleIsShow = show;

    for (const toggler of root.querySelectorAll(".treeItemToggler")) {
      toggler.classList.toggle("treeItemsHidden", !show);
    }
  }

  _toggleAllTreeItems() {
    this._toggleTreeItem(this.container, !this._lastToggleIsShow);
  }

  _finishRendering(fragment, count, hasAnyNesting = false) {
    if (hasAnyNesting) {
      this.container.classList.add("treeWithDeepNesting");
      this._lastToggleIsShow = !fragment.querySelector(".treeItemsHidden");
    }

    this.container.append(fragment);

    this._dispatchEvent(count);
  }

  render(params) {
    throw new Error("Not implemented: render");
  }

  _updateCurrentTreeItem(treeItem = null) {
    if (this._currentTreeItem) {
      this._currentTreeItem.classList.remove(TREEITEM_SELECTED_CLASS);

      this._currentTreeItem = null;
    }

    if (treeItem) {
      treeItem.classList.add(TREEITEM_SELECTED_CLASS);
      this._currentTreeItem = treeItem;
    }
  }

  _scrollToCurrentTreeItem(treeItem) {
    if (!treeItem) {
      return;
    }

    let currentNode = treeItem.parentNode;

    while (currentNode && currentNode !== this.container) {
      if (currentNode.classList.contains("treeItem")) {
        const toggler = currentNode.firstElementChild;
        toggler?.classList.remove("treeItemsHidden");
      }

      currentNode = currentNode.parentNode;
    }

    this._updateCurrentTreeItem(treeItem);

    this.container.scrollTo(treeItem.offsetLeft, treeItem.offsetTop + TREEITEM_OFFSET_TOP);
  }

}

exports.BaseTreeViewer = BaseTreeViewer;

/***/ }),
/* 14 */
/***/ ((__unused_webpack_module, exports, __webpack_require__) => {



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

var _pdfjsLib = __webpack_require__(5);

var _ui_utils = __webpack_require__(1);

const DEFAULT_FIELD_CONTENT = "-";
const NON_METRIC_LOCALES = ["en-us", "en-lr", "my"];
const US_PAGE_NAMES = {
  "8.5x11": "Letter",
  "8.5x14": "Legal"
};
const METRIC_PAGE_NAMES = {
  "297x420": "A3",
  "210x297": "A4"
};

function getPageName(size, isPortrait, pageNames) {
  const width = isPortrait ? size.width : size.height;
  const height = isPortrait ? size.height : size.width;
  return pageNames[`${width}x${height}`];
}

class PDFDocumentProperties {
  #fieldData = null;

  constructor({
    dialog,
    fields,
    closeButton
  }, overlayManager, eventBus, l10n, fileNameLookup) {
    this.dialog = dialog;
    this.fields = fields;
    this.overlayManager = overlayManager;
    this.l10n = l10n;
    this._fileNameLookup = fileNameLookup;
    this.#reset();
    closeButton.addEventListener("click", this.close.bind(this));
    this.overlayManager.register(this.dialog);

    eventBus._on("pagechanging", evt => {
      this._currentPageNumber = evt.pageNumber;
    });

    eventBus._on("rotationchanging", evt => {
      this._pagesRotation = evt.pagesRotation;
    });

    this._isNonMetricLocale = true;
    l10n.getLanguage().then(locale => {
      this._isNonMetricLocale = NON_METRIC_LOCALES.includes(locale);
    });
  }

  async open() {
    await Promise.all([this.overlayManager.open(this.dialog), this._dataAvailableCapability.promise]);
    const currentPageNumber = this._currentPageNumber;
    const pagesRotation = this._pagesRotation;

    if (this.#fieldData && currentPageNumber === this.#fieldData._currentPageNumber && pagesRotation === this.#fieldData._pagesRotation) {
      this.#updateUI();
      return;
    }

    const {
      info,
      contentLength
    } = await this.pdfDocument.getMetadata();
    const [fileName, fileSize, creationDate, modificationDate, pageSize, isLinearized] = await Promise.all([this._fileNameLookup(), this.#parseFileSize(contentLength), this.#parseDate(info.CreationDate), this.#parseDate(info.ModDate), this.pdfDocument.getPage(currentPageNumber).then(pdfPage => {
      return this.#parsePageSize((0, _ui_utils.getPageSizeInches)(pdfPage), pagesRotation);
    }), this.#parseLinearization(info.IsLinearized)]);
    this.#fieldData = Object.freeze({
      fileName,
      fileSize,
      title: info.Title,
      author: info.Author,
      subject: info.Subject,
      keywords: info.Keywords,
      creationDate,
      modificationDate,
      creator: info.Creator,
      producer: info.Producer,
      version: info.PDFFormatVersion,
      pageCount: this.pdfDocument.numPages,
      pageSize,
      linearized: isLinearized,
      _currentPageNumber: currentPageNumber,
      _pagesRotation: pagesRotation
    });
    this.#updateUI();
    const {
      length
    } = await this.pdfDocument.getDownloadInfo();

    if (contentLength === length) {
      return;
    }

    const data = Object.assign(Object.create(null), this.#fieldData);
    data.fileSize = await this.#parseFileSize(length);
    this.#fieldData = Object.freeze(data);
    this.#updateUI();
  }

  async close() {
    this.overlayManager.close(this.dialog);
  }

  setDocument(pdfDocument) {
    if (this.pdfDocument) {
      this.#reset();
      this.#updateUI(true);
    }

    if (!pdfDocument) {
      return;
    }

    this.pdfDocument = pdfDocument;

    this._dataAvailableCapability.resolve();
  }

  #reset() {
    this.pdfDocument = null;
    this.#fieldData = null;
    this._dataAvailableCapability = (0, _pdfjsLib.createPromiseCapability)();
    this._currentPageNumber = 1;
    this._pagesRotation = 0;
  }

  #updateUI(reset = false) {
    if (reset || !this.#fieldData) {
      for (const id in this.fields) {
        this.fields[id].textContent = DEFAULT_FIELD_CONTENT;
      }

      return;
    }

    if (this.overlayManager.active !== this.dialog) {
      return;
    }

    for (const id in this.fields) {
      const content = this.#fieldData[id];
      this.fields[id].textContent = content || content === 0 ? content : DEFAULT_FIELD_CONTENT;
    }
  }

  async #parseFileSize(fileSize = 0) {
    const kb = fileSize / 1024,
          mb = kb / 1024;

    if (!kb) {
      return undefined;
    }

    return this.l10n.get(`document_properties_${mb >= 1 ? "mb" : "kb"}`, {
      size_mb: mb >= 1 && (+mb.toPrecision(3)).toLocaleString(),
      size_kb: mb < 1 && (+kb.toPrecision(3)).toLocaleString(),
      size_b: fileSize.toLocaleString()
    });
  }

  async #parsePageSize(pageSizeInches, pagesRotation) {
    if (!pageSizeInches) {
      return undefined;
    }

    if (pagesRotation % 180 !== 0) {
      pageSizeInches = {
        width: pageSizeInches.height,
        height: pageSizeInches.width
      };
    }

    const isPortrait = (0, _ui_utils.isPortraitOrientation)(pageSizeInches);
    let sizeInches = {
      width: Math.round(pageSizeInches.width * 100) / 100,
      height: Math.round(pageSizeInches.height * 100) / 100
    };
    let sizeMillimeters = {
      width: Math.round(pageSizeInches.width * 25.4 * 10) / 10,
      height: Math.round(pageSizeInches.height * 25.4 * 10) / 10
    };
    let rawName = getPageName(sizeInches, isPortrait, US_PAGE_NAMES) || getPageName(sizeMillimeters, isPortrait, METRIC_PAGE_NAMES);

    if (!rawName && !(Number.isInteger(sizeMillimeters.width) && Number.isInteger(sizeMillimeters.height))) {
      const exactMillimeters = {
        width: pageSizeInches.width * 25.4,
        height: pageSizeInches.height * 25.4
      };
      const intMillimeters = {
        width: Math.round(sizeMillimeters.width),
        height: Math.round(sizeMillimeters.height)
      };

      if (Math.abs(exactMillimeters.width - intMillimeters.width) < 0.1 && Math.abs(exactMillimeters.height - intMillimeters.height) < 0.1) {
        rawName = getPageName(intMillimeters, isPortrait, METRIC_PAGE_NAMES);

        if (rawName) {
          sizeInches = {
            width: Math.round(intMillimeters.width / 25.4 * 100) / 100,
            height: Math.round(intMillimeters.height / 25.4 * 100) / 100
          };
          sizeMillimeters = intMillimeters;
        }
      }
    }

    const [{
      width,
      height
    }, unit, name, orientation] = await Promise.all([this._isNonMetricLocale ? sizeInches : sizeMillimeters, this.l10n.get(`document_properties_page_size_unit_${this._isNonMetricLocale ? "inches" : "millimeters"}`), rawName && this.l10n.get(`document_properties_page_size_name_${rawName.toLowerCase()}`), this.l10n.get(`document_properties_page_size_orientation_${isPortrait ? "portrait" : "landscape"}`)]);
    return this.l10n.get(`document_properties_page_size_dimension_${name ? "name_" : ""}string`, {
      width: width.toLocaleString(),
      height: height.toLocaleString(),
      unit,
      name,
      orientation
    });
  }

  async #parseDate(inputDate) {
    const dateObject = _pdfjsLib.PDFDateString.toDateObject(inputDate);

    if (!dateObject) {
      return undefined;
    }

    return this.l10n.get("document_properties_date_string", {
      date: dateObject.toLocaleDateString(),
      time: dateObject.toLocaleTimeString()
    });
  }

  #parseLinearization(isLinearized) {
    return this.l10n.get(`document_properties_linearized_${isLinearized ? "yes" : "no"}`);
  }

}

exports.PDFDocumentProperties = PDFDocumentProperties;

/***/ }),
/* 15 */
/***/ ((__unused_webpack_module, exports, __webpack_require__) => {



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

var _pdf_find_controller = __webpack_require__(16);

const MATCHES_COUNT_LIMIT = 1000;

class PDFFindBar {
  constructor(options, eventBus, l10n) {
    this.opened = false;
    this.bar = options.bar;
    this.toggleButton = options.toggleButton;
    this.findField = options.findField;
    this.highlightAll = options.highlightAllCheckbox;
    this.caseSensitive = options.caseSensitiveCheckbox;
    this.matchDiacritics = options.matchDiacriticsCheckbox;
    this.entireWord = options.entireWordCheckbox;
    this.findMsg = options.findMsg;
    this.findResultsCount = options.findResultsCount;
    this.findPreviousButton = options.findPreviousButton;
    this.findNextButton = options.findNextButton;
    this.eventBus = eventBus;
    this.l10n = l10n;
    this.toggleButton.addEventListener("click", () => {
      this.toggle();
    });
    this.findField.addEventListener("input", () => {
      this.dispatchEvent("");
    });
    this.bar.addEventListener("keydown", e => {
      switch (e.keyCode) {
        case 13:
          if (e.target === this.findField) {
            this.dispatchEvent("again", e.shiftKey);
          }

          break;

        case 27:
          this.close();
          break;
      }
    });
    this.findPreviousButton.addEventListener("click", () => {
      this.dispatchEvent("again", true);
    });
    this.findNextButton.addEventListener("click", () => {
      this.dispatchEvent("again", false);
    });
    this.highlightAll.addEventListener("click", () => {
      this.dispatchEvent("highlightallchange");
    });
    this.caseSensitive.addEventListener("click", () => {
      this.dispatchEvent("casesensitivitychange");
    });
    this.entireWord.addEventListener("click", () => {
      this.dispatchEvent("entirewordchange");
    });
    this.matchDiacritics.addEventListener("click", () => {
      this.dispatchEvent("diacriticmatchingchange");
    });

    this.eventBus._on("resize", this.#adjustWidth.bind(this));
  }

  reset() {
    this.updateUIState();
  }

  dispatchEvent(type, findPrev = false) {
    this.eventBus.dispatch("find", {
      source: this,
      type,
      query: this.findField.value,
      phraseSearch: true,
      caseSensitive: this.caseSensitive.checked,
      entireWord: this.entireWord.checked,
      highlightAll: this.highlightAll.checked,
      findPrevious: findPrev,
      matchDiacritics: this.matchDiacritics.checked
    });
  }

  updateUIState(state, previous, matchesCount) {
    let findMsg = Promise.resolve("");
    let status = "";

    switch (state) {
      case _pdf_find_controller.FindState.FOUND:
        break;

      case _pdf_find_controller.FindState.PENDING:
        status = "pending";
        break;

      case _pdf_find_controller.FindState.NOT_FOUND:
        findMsg = this.l10n.get("find_not_found");
        status = "notFound";
        break;

      case _pdf_find_controller.FindState.WRAPPED:
        findMsg = this.l10n.get(`find_reached_${previous ? "top" : "bottom"}`);
        break;
    }

    this.findField.setAttribute("data-status", status);
    this.findField.setAttribute("aria-invalid", state === _pdf_find_controller.FindState.NOT_FOUND);
    findMsg.then(msg => {
      this.findMsg.textContent = msg;
      this.#adjustWidth();
    });
    this.updateResultsCount(matchesCount);
  }

  updateResultsCount({
    current = 0,
    total = 0
  } = {}) {
    const limit = MATCHES_COUNT_LIMIT;
    let matchCountMsg = Promise.resolve("");

    if (total > 0) {
      if (total > limit) {
        let key = "find_match_count_limit";
        matchCountMsg = this.l10n.get(key, {
          limit
        });
      } else {
        let key = "find_match_count";
        matchCountMsg = this.l10n.get(key, {
          current,
          total
        });
      }
    }

    matchCountMsg.then(msg => {
      this.findResultsCount.textContent = msg;
      this.#adjustWidth();
    });
  }

  open() {
    if (!this.opened) {
      this.opened = true;
      this.toggleButton.classList.add("toggled");
      this.toggleButton.setAttribute("aria-expanded", "true");
      this.bar.classList.remove("hidden");
    }

    this.findField.select();
    this.findField.focus();
    this.#adjustWidth();
  }

  close() {
    if (!this.opened) {
      return;
    }

    this.opened = false;
    this.toggleButton.classList.remove("toggled");
    this.toggleButton.setAttribute("aria-expanded", "false");
    this.bar.classList.add("hidden");
    this.eventBus.dispatch("findbarclose", {
      source: this
    });
  }

  toggle() {
    if (this.opened) {
      this.close();
    } else {
      this.open();
    }
  }

  #adjustWidth() {
    if (!this.opened) {
      return;
    }

    this.bar.classList.remove("wrapContainers");
    const findbarHeight = this.bar.clientHeight;
    const inputContainerHeight = this.bar.firstElementChild.clientHeight;

    if (findbarHeight > inputContainerHeight) {
      this.bar.classList.add("wrapContainers");
    }
  }

}

exports.PDFFindBar = PDFFindBar;

/***/ }),
/* 16 */
/***/ ((__unused_webpack_module, exports, __webpack_require__) => {



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

var _ui_utils = __webpack_require__(1);

var _pdfjsLib = __webpack_require__(5);

var _pdf_find_utils = __webpack_require__(17);

const FindState = {
  FOUND: 0,
  NOT_FOUND: 1,
  WRAPPED: 2,
  PENDING: 3
};
exports.FindState = FindState;
const FIND_TIMEOUT = 250;
const MATCH_SCROLL_OFFSET_TOP = -50;
const MATCH_SCROLL_OFFSET_LEFT = -400;
const CHARACTERS_TO_NORMALIZE = {
  "\u2010": "-",
  "\u2018": "'",
  "\u2019": "'",
  "\u201A": "'",
  "\u201B": "'",
  "\u201C": '"',
  "\u201D": '"',
  "\u201E": '"',
  "\u201F": '"',
  "\u00BC": "1/4",
  "\u00BD": "1/2",
  "\u00BE": "3/4"
};
const DIACRITICS_EXCEPTION = new Set([0x3099, 0x309a, 0x094d, 0x09cd, 0x0a4d, 0x0acd, 0x0b4d, 0x0bcd, 0x0c4d, 0x0ccd, 0x0d3b, 0x0d3c, 0x0d4d, 0x0dca, 0x0e3a, 0x0eba, 0x0f84, 0x1039, 0x103a, 0x1714, 0x1734, 0x17d2, 0x1a60, 0x1b44, 0x1baa, 0x1bab, 0x1bf2, 0x1bf3, 0x2d7f, 0xa806, 0xa82c, 0xa8c4, 0xa953, 0xa9c0, 0xaaf6, 0xabed, 0x0c56, 0x0f71, 0x0f72, 0x0f7a, 0x0f7b, 0x0f7c, 0x0f7d, 0x0f80, 0x0f74]);
const DIACRITICS_EXCEPTION_STR = [...DIACRITICS_EXCEPTION.values()].map(x => String.fromCharCode(x)).join("");
const DIACRITICS_REG_EXP = /\p{M}+/gu;
const SPECIAL_CHARS_REG_EXP = /([.*+?^${}()|[\]\\])|(\p{P})|(\s+)|(\p{M})|(\p{L})/gu;
const NOT_DIACRITIC_FROM_END_REG_EXP = /([^\p{M}])\p{M}*$/u;
const NOT_DIACRITIC_FROM_START_REG_EXP = /^\p{M}*([^\p{M}])/u;
const SYLLABLES_REG_EXP = /[\uAC00-\uD7AF\uFA6C\uFACF-\uFAD1\uFAD5-\uFAD7]+/g;
const SYLLABLES_LENGTHS = new Map();
const FIRST_CHAR_SYLLABLES_REG_EXP = "[\\u1100-\\u1112\\ud7a4-\\ud7af\\ud84a\\ud84c\\ud850\\ud854\\ud857\\ud85f]";
let noSyllablesRegExp = null;
let withSyllablesRegExp = null;

function normalize(text) {
  const syllablePositions = [];
  let m;

  while ((m = SYLLABLES_REG_EXP.exec(text)) !== null) {
    let {
      index
    } = m;

    for (const char of m[0]) {
      let len = SYLLABLES_LENGTHS.get(char);

      if (!len) {
        len = char.normalize("NFD").length;
        SYLLABLES_LENGTHS.set(char, len);
      }

      syllablePositions.push([len, index++]);
    }
  }

  let normalizationRegex;

  if (syllablePositions.length === 0 && noSyllablesRegExp) {
    normalizationRegex = noSyllablesRegExp;
  } else if (syllablePositions.length > 0 && withSyllablesRegExp) {
    normalizationRegex = withSyllablesRegExp;
  } else {
    const replace = Object.keys(CHARACTERS_TO_NORMALIZE).join("");
    const regexp = `([${replace}])|(\\p{M}+(?:-\\n)?)|(\\S-\\n)|(\\n)`;

    if (syllablePositions.length === 0) {
      normalizationRegex = noSyllablesRegExp = new RegExp(regexp + "|(\\u0000)", "gum");
    } else {
      normalizationRegex = withSyllablesRegExp = new RegExp(regexp + `|(${FIRST_CHAR_SYLLABLES_REG_EXP})`, "gum");
    }
  }

  const rawDiacriticsPositions = [];

  while ((m = DIACRITICS_REG_EXP.exec(text)) !== null) {
    rawDiacriticsPositions.push([m[0].length, m.index]);
  }

  let normalized = text.normalize("NFD");
  const positions = [[0, 0]];
  let rawDiacriticsIndex = 0;
  let syllableIndex = 0;
  let shift = 0;
  let shiftOrigin = 0;
  let eol = 0;
  let hasDiacritics = false;
  normalized = normalized.replace(normalizationRegex, (match, p1, p2, p3, p4, p5, i) => {
    i -= shiftOrigin;

    if (p1) {
      const replacement = CHARACTERS_TO_NORMALIZE[match];
      const jj = replacement.length;

      for (let j = 1; j < jj; j++) {
        positions.push([i - shift + j, shift - j]);
      }

      shift -= jj - 1;
      return replacement;
    }

    if (p2) {
      const hasTrailingDashEOL = p2.endsWith("\n");
      const len = hasTrailingDashEOL ? p2.length - 2 : p2.length;
      hasDiacritics = true;
      let jj = len;

      if (i + eol === rawDiacriticsPositions[rawDiacriticsIndex]?.[1]) {
        jj -= rawDiacriticsPositions[rawDiacriticsIndex][0];
        ++rawDiacriticsIndex;
      }

      for (let j = 1; j <= jj; j++) {
        positions.push([i - 1 - shift + j, shift - j]);
      }

      shift -= jj;
      shiftOrigin += jj;

      if (hasTrailingDashEOL) {
        i += len - 1;
        positions.push([i - shift + 1, 1 + shift]);
        shift += 1;
        shiftOrigin += 1;
        eol += 1;
        return p2.slice(0, len);
      }

      return p2;
    }

    if (p3) {
      positions.push([i - shift + 1, 1 + shift]);
      shift += 1;
      shiftOrigin += 1;
      eol += 1;
      return p3.charAt(0);
    }

    if (p4) {
      positions.push([i - shift + 1, shift - 1]);
      shift -= 1;
      shiftOrigin += 1;
      eol += 1;
      return " ";
    }

    if (i + eol === syllablePositions[syllableIndex]?.[1]) {
      const newCharLen = syllablePositions[syllableIndex][0] - 1;
      ++syllableIndex;

      for (let j = 1; j <= newCharLen; j++) {
        positions.push([i - (shift - j), shift - j]);
      }

      shift -= newCharLen;
      shiftOrigin += newCharLen;
    }

    return p5;
  });
  positions.push([normalized.length, shift]);
  return [normalized, positions, hasDiacritics];
}

function getOriginalIndex(diffs, pos, len) {
  if (!diffs) {
    return [pos, len];
  }

  const start = pos;
  const end = pos + len;
  let i = (0, _ui_utils.binarySearchFirstItem)(diffs, x => x[0] >= start);

  if (diffs[i][0] > start) {
    --i;
  }

  let j = (0, _ui_utils.binarySearchFirstItem)(diffs, x => x[0] >= end, i);

  if (diffs[j][0] > end) {
    --j;
  }

  return [start + diffs[i][1], len + diffs[j][1] - diffs[i][1]];
}

class PDFFindController {
  constructor({
    linkService,
    eventBus
  }) {
    this._linkService = linkService;
    this._eventBus = eventBus;
    this.#reset();

    eventBus._on("find", this.#onFind.bind(this));

    eventBus._on("findbarclose", this.#onFindBarClose.bind(this));
  }

  get highlightMatches() {
    return this._highlightMatches;
  }

  get pageMatches() {
    return this._pageMatches;
  }

  get pageMatchesLength() {
    return this._pageMatchesLength;
  }

  get selected() {
    return this._selected;
  }

  get state() {
    return this._state;
  }

  setDocument(pdfDocument) {
    if (this._pdfDocument) {
      this.#reset();
    }

    if (!pdfDocument) {
      return;
    }

    this._pdfDocument = pdfDocument;

    this._firstPageCapability.resolve();
  }

  #onFind(state) {
    if (!state) {
      return;
    }

    const pdfDocument = this._pdfDocument;
    const {
      type
    } = state;

    if (this._state === null || this.#shouldDirtyMatch(state)) {
      this._dirtyMatch = true;
    }

    this._state = state;

    if (type !== "highlightallchange") {
      this.#updateUIState(FindState.PENDING);
    }

    this._firstPageCapability.promise.then(() => {
      if (!this._pdfDocument || pdfDocument && this._pdfDocument !== pdfDocument) {
        return;
      }

      this.#extractText();
      const findbarClosed = !this._highlightMatches;
      const pendingTimeout = !!this._findTimeout;

      if (this._findTimeout) {
        clearTimeout(this._findTimeout);
        this._findTimeout = null;
      }

      if (!type) {
        this._findTimeout = setTimeout(() => {
          this.#nextMatch();
          this._findTimeout = null;
        }, FIND_TIMEOUT);
      } else if (this._dirtyMatch) {
        this.#nextMatch();
      } else if (type === "again") {
        this.#nextMatch();

        if (findbarClosed && this._state.highlightAll) {
          this.#updateAllPages();
        }
      } else if (type === "highlightallchange") {
        if (pendingTimeout) {
          this.#nextMatch();
        } else {
          this._highlightMatches = true;
        }

        this.#updateAllPages();
      } else {
        this.#nextMatch();
      }
    });
  }

  scrollMatchIntoView({
    element = null,
    selectedLeft = 0,
    pageIndex = -1,
    matchIndex = -1
  }) {
    if (!this._scrollMatches || !element) {
      return;
    } else if (matchIndex === -1 || matchIndex !== this._selected.matchIdx) {
      return;
    } else if (pageIndex === -1 || pageIndex !== this._selected.pageIdx) {
      return;
    }

    this._scrollMatches = false;
    const spot = {
      top: MATCH_SCROLL_OFFSET_TOP,
      left: selectedLeft + MATCH_SCROLL_OFFSET_LEFT
    };
    (0, _ui_utils.scrollIntoView)(element, spot, true);
  }

  #reset() {
    this._highlightMatches = false;
    this._scrollMatches = false;
    this._pdfDocument = null;
    this._pageMatches = [];
    this._pageMatchesLength = [];
    this._state = null;
    this._selected = {
      pageIdx: -1,
      matchIdx: -1
    };
    this._offset = {
      pageIdx: null,
      matchIdx: null,
      wrapped: false
    };
    this._extractTextPromises = [];
    this._pageContents = [];
    this._pageDiffs = [];
    this._hasDiacritics = [];
    this._matchesCountTotal = 0;
    this._pagesToSearch = null;
    this._pendingFindMatches = new Set();
    this._resumePageIdx = null;
    this._dirtyMatch = false;
    clearTimeout(this._findTimeout);
    this._findTimeout = null;
    this._firstPageCapability = (0, _pdfjsLib.createPromiseCapability)();
  }

  get #query() {
    if (this._state.query !== this._rawQuery) {
      this._rawQuery = this._state.query;
      [this._normalizedQuery] = normalize(this._state.query);
    }

    return this._normalizedQuery;
  }

  #shouldDirtyMatch(state) {
    if (state.query !== this._state.query) {
      return true;
    }

    switch (state.type) {
      case "again":
        const pageNumber = this._selected.pageIdx + 1;
        const linkService = this._linkService;

        if (pageNumber >= 1 && pageNumber <= linkService.pagesCount && pageNumber !== linkService.page && !linkService.isPageVisible(pageNumber)) {
          return true;
        }

        return false;

      case "highlightallchange":
        return false;
    }

    return true;
  }

  #isEntireWord(content, startIdx, length) {
    let match = content.slice(0, startIdx).match(NOT_DIACRITIC_FROM_END_REG_EXP);

    if (match) {
      const first = content.charCodeAt(startIdx);
      const limit = match[1].charCodeAt(0);

      if ((0, _pdf_find_utils.getCharacterType)(first) === (0, _pdf_find_utils.getCharacterType)(limit)) {
        return false;
      }
    }

    match = content.slice(startIdx + length).match(NOT_DIACRITIC_FROM_START_REG_EXP);

    if (match) {
      const last = content.charCodeAt(startIdx + length - 1);
      const limit = match[1].charCodeAt(0);

      if ((0, _pdf_find_utils.getCharacterType)(last) === (0, _pdf_find_utils.getCharacterType)(limit)) {
        return false;
      }
    }

    return true;
  }

  #calculateRegExpMatch(query, entireWord, pageIndex, pageContent) {
    const matches = [],
          matchesLength = [];
    const diffs = this._pageDiffs[pageIndex];
    let match;

    while ((match = query.exec(pageContent)) !== null) {
      if (entireWord && !this.#isEntireWord(pageContent, match.index, match[0].length)) {
        continue;
      }

      const [matchPos, matchLen] = getOriginalIndex(diffs, match.index, match[0].length);

      if (matchLen) {
        matches.push(matchPos);
        matchesLength.push(matchLen);
      }
    }

    this._pageMatches[pageIndex] = matches;
    this._pageMatchesLength[pageIndex] = matchesLength;
  }

  #convertToRegExpString(query, hasDiacritics) {
    const {
      matchDiacritics
    } = this._state;
    let isUnicode = false;
    query = query.replace(SPECIAL_CHARS_REG_EXP, (match, p1, p2, p3, p4, p5) => {
      if (p1) {
        return `[ ]*\\${p1}[ ]*`;
      }

      if (p2) {
        return `[ ]*${p2}[ ]*`;
      }

      if (p3) {
        return "[ ]+";
      }

      if (matchDiacritics) {
        return p4 || p5;
      }

      if (p4) {
        return DIACRITICS_EXCEPTION.has(p4.charCodeAt(0)) ? p4 : "";
      }

      if (hasDiacritics) {
        isUnicode = true;
        return `${p5}\\p{M}*`;
      }

      return p5;
    });
    const trailingSpaces = "[ ]*";

    if (query.endsWith(trailingSpaces)) {
      query = query.slice(0, query.length - trailingSpaces.length);
    }

    if (matchDiacritics) {
      if (hasDiacritics) {
        isUnicode = true;
        query = `${query}(?=[${DIACRITICS_EXCEPTION_STR}]|[^\\p{M}]|$)`;
      }
    }

    return [isUnicode, query];
  }

  #calculateMatch(pageIndex) {
    let query = this.#query;

    if (query.length === 0) {
      return;
    }

    const {
      caseSensitive,
      entireWord,
      phraseSearch
    } = this._state;
    const pageContent = this._pageContents[pageIndex];
    const hasDiacritics = this._hasDiacritics[pageIndex];
    let isUnicode = false;

    if (phraseSearch) {
      [isUnicode, query] = this.#convertToRegExpString(query, hasDiacritics);
    } else {
      const match = query.match(/\S+/g);

      if (match) {
        query = match.sort().reverse().map(q => {
          const [isUnicodePart, queryPart] = this.#convertToRegExpString(q, hasDiacritics);
          isUnicode ||= isUnicodePart;
          return `(${queryPart})`;
        }).join("|");
      }
    }

    const flags = `g${isUnicode ? "u" : ""}${caseSensitive ? "" : "i"}`;
    query = new RegExp(query, flags);
    this.#calculateRegExpMatch(query, entireWord, pageIndex, pageContent);

    if (this._state.highlightAll) {
      this.#updatePage(pageIndex);
    }

    if (this._resumePageIdx === pageIndex) {
      this._resumePageIdx = null;
      this.#nextPageMatch();
    }

    const pageMatchesCount = this._pageMatches[pageIndex].length;

    if (pageMatchesCount > 0) {
      this._matchesCountTotal += pageMatchesCount;
      this.#updateUIResultsCount();
    }
  }

  #extractText() {
    if (this._extractTextPromises.length > 0) {
      return;
    }

    let promise = Promise.resolve();

    for (let i = 0, ii = this._linkService.pagesCount; i < ii; i++) {
      const extractTextCapability = (0, _pdfjsLib.createPromiseCapability)();
      this._extractTextPromises[i] = extractTextCapability.promise;
      promise = promise.then(() => {
        return this._pdfDocument.getPage(i + 1).then(pdfPage => {
          return pdfPage.getTextContent();
        }).then(textContent => {
          const strBuf = [];

          for (const textItem of textContent.items) {
            strBuf.push(textItem.str);

            if (textItem.hasEOL) {
              strBuf.push("\n");
            }
          }

          [this._pageContents[i], this._pageDiffs[i], this._hasDiacritics[i]] = normalize(strBuf.join(""));
          extractTextCapability.resolve();
        }, reason => {
          console.error(`Unable to get text content for page ${i + 1}`, reason);
          this._pageContents[i] = "";
          this._pageDiffs[i] = null;
          this._hasDiacritics[i] = false;
          extractTextCapability.resolve();
        });
      });
    }
  }

  #updatePage(index) {
    if (this._scrollMatches && this._selected.pageIdx === index) {
      this._linkService.page = index + 1;
    }

    this._eventBus.dispatch("updatetextlayermatches", {
      source: this,
      pageIndex: index
    });
  }

  #updateAllPages() {
    this._eventBus.dispatch("updatetextlayermatches", {
      source: this,
      pageIndex: -1
    });
  }

  #nextMatch() {
    const previous = this._state.findPrevious;
    const currentPageIndex = this._linkService.page - 1;
    const numPages = this._linkService.pagesCount;
    this._highlightMatches = true;

    if (this._dirtyMatch) {
      this._dirtyMatch = false;
      this._selected.pageIdx = this._selected.matchIdx = -1;
      this._offset.pageIdx = currentPageIndex;
      this._offset.matchIdx = null;
      this._offset.wrapped = false;
      this._resumePageIdx = null;
      this._pageMatches.length = 0;
      this._pageMatchesLength.length = 0;
      this._matchesCountTotal = 0;
      this.#updateAllPages();

      for (let i = 0; i < numPages; i++) {
        if (this._pendingFindMatches.has(i)) {
          continue;
        }

        this._pendingFindMatches.add(i);

        this._extractTextPromises[i].then(() => {
          this._pendingFindMatches.delete(i);

          this.#calculateMatch(i);
        });
      }
    }

    if (this.#query === "") {
      this.#updateUIState(FindState.FOUND);
      return;
    }

    if (this._resumePageIdx) {
      return;
    }

    const offset = this._offset;
    this._pagesToSearch = numPages;

    if (offset.matchIdx !== null) {
      const numPageMatches = this._pageMatches[offset.pageIdx].length;

      if (!previous && offset.matchIdx + 1 < numPageMatches || previous && offset.matchIdx > 0) {
        offset.matchIdx = previous ? offset.matchIdx - 1 : offset.matchIdx + 1;
        this.#updateMatch(true);
        return;
      }

      this.#advanceOffsetPage(previous);
    }

    this.#nextPageMatch();
  }

  #matchesReady(matches) {
    const offset = this._offset;
    const numMatches = matches.length;
    const previous = this._state.findPrevious;

    if (numMatches) {
      offset.matchIdx = previous ? numMatches - 1 : 0;
      this.#updateMatch(true);
      return true;
    }

    this.#advanceOffsetPage(previous);

    if (offset.wrapped) {
      offset.matchIdx = null;

      if (this._pagesToSearch < 0) {
        this.#updateMatch(false);
        return true;
      }
    }

    return false;
  }

  #nextPageMatch() {
    if (this._resumePageIdx !== null) {
      console.error("There can only be one pending page.");
    }

    let matches = null;

    do {
      const pageIdx = this._offset.pageIdx;
      matches = this._pageMatches[pageIdx];

      if (!matches) {
        this._resumePageIdx = pageIdx;
        break;
      }
    } while (!this.#matchesReady(matches));
  }

  #advanceOffsetPage(previous) {
    const offset = this._offset;
    const numPages = this._linkService.pagesCount;
    offset.pageIdx = previous ? offset.pageIdx - 1 : offset.pageIdx + 1;
    offset.matchIdx = null;
    this._pagesToSearch--;

    if (offset.pageIdx >= numPages || offset.pageIdx < 0) {
      offset.pageIdx = previous ? numPages - 1 : 0;
      offset.wrapped = true;
    }
  }

  #updateMatch(found = false) {
    let state = FindState.NOT_FOUND;
    const wrapped = this._offset.wrapped;
    this._offset.wrapped = false;

    if (found) {
      const previousPage = this._selected.pageIdx;
      this._selected.pageIdx = this._offset.pageIdx;
      this._selected.matchIdx = this._offset.matchIdx;
      state = wrapped ? FindState.WRAPPED : FindState.FOUND;

      if (previousPage !== -1 && previousPage !== this._selected.pageIdx) {
        this.#updatePage(previousPage);
      }
    }

    this.#updateUIState(state, this._state.findPrevious);

    if (this._selected.pageIdx !== -1) {
      this._scrollMatches = true;
      this.#updatePage(this._selected.pageIdx);
    }
  }

  #onFindBarClose(evt) {
    const pdfDocument = this._pdfDocument;

    this._firstPageCapability.promise.then(() => {
      if (!this._pdfDocument || pdfDocument && this._pdfDocument !== pdfDocument) {
        return;
      }

      if (this._findTimeout) {
        clearTimeout(this._findTimeout);
        this._findTimeout = null;
      }

      if (this._resumePageIdx) {
        this._resumePageIdx = null;
        this._dirtyMatch = true;
      }

      this.#updateUIState(FindState.FOUND);
      this._highlightMatches = false;
      this.#updateAllPages();
    });
  }

  #requestMatchesCount() {
    const {
      pageIdx,
      matchIdx
    } = this._selected;
    let current = 0,
        total = this._matchesCountTotal;

    if (matchIdx !== -1) {
      for (let i = 0; i < pageIdx; i++) {
        current += this._pageMatches[i]?.length || 0;
      }

      current += matchIdx + 1;
    }

    if (current < 1 || current > total) {
      current = total = 0;
    }

    return {
      current,
      total
    };
  }

  #updateUIResultsCount() {
    this._eventBus.dispatch("updatefindmatchescount", {
      source: this,
      matchesCount: this.#requestMatchesCount()
    });
  }

  #updateUIState(state, previous = false) {
    this._eventBus.dispatch("updatefindcontrolstate", {
      source: this,
      state,
      previous,
      matchesCount: this.#requestMatchesCount(),
      rawQuery: this._state?.query ?? null
    });
  }

}

exports.PDFFindController = PDFFindController;

/***/ }),
/* 17 */
/***/ ((__unused_webpack_module, exports) => {



Object.defineProperty(exports, "__esModule", ({
  value: true
}));
exports.CharacterType = void 0;
exports.getCharacterType = getCharacterType;
const CharacterType = {
  SPACE: 0,
  ALPHA_LETTER: 1,
  PUNCT: 2,
  HAN_LETTER: 3,
  KATAKANA_LETTER: 4,
  HIRAGANA_LETTER: 5,
  HALFWIDTH_KATAKANA_LETTER: 6,
  THAI_LETTER: 7
};
exports.CharacterType = CharacterType;

function isAlphabeticalScript(charCode) {
  return charCode < 0x2e80;
}

function isAscii(charCode) {
  return (charCode & 0xff80) === 0;
}

function isAsciiAlpha(charCode) {
  return charCode >= 0x61 && charCode <= 0x7a || charCode >= 0x41 && charCode <= 0x5a;
}

function isAsciiDigit(charCode) {
  return charCode >= 0x30 && charCode <= 0x39;
}

function isAsciiSpace(charCode) {
  return charCode === 0x20 || charCode === 0x09 || charCode === 0x0d || charCode === 0x0a;
}

function isHan(charCode) {
  return charCode >= 0x3400 && charCode <= 0x9fff || charCode >= 0xf900 && charCode <= 0xfaff;
}

function isKatakana(charCode) {
  return charCode >= 0x30a0 && charCode <= 0x30ff;
}

function isHiragana(charCode) {
  return charCode >= 0x3040 && charCode <= 0x309f;
}

function isHalfwidthKatakana(charCode) {
  return charCode >= 0xff60 && charCode <= 0xff9f;
}

function isThai(charCode) {
  return (charCode & 0xff80) === 0x0e00;
}

function getCharacterType(charCode) {
  if (isAlphabeticalScript(charCode)) {
    if (isAscii(charCode)) {
      if (isAsciiSpace(charCode)) {
        return CharacterType.SPACE;
      } else if (isAsciiAlpha(charCode) || isAsciiDigit(charCode) || charCode === 0x5f) {
        return CharacterType.ALPHA_LETTER;
      }

      return CharacterType.PUNCT;
    } else if (isThai(charCode)) {
      return CharacterType.THAI_LETTER;
    } else if (charCode === 0xa0) {
      return CharacterType.SPACE;
    }

    return CharacterType.ALPHA_LETTER;
  }

  if (isHan(charCode)) {
    return CharacterType.HAN_LETTER;
  } else if (isKatakana(charCode)) {
    return CharacterType.KATAKANA_LETTER;
  } else if (isHiragana(charCode)) {
    return CharacterType.HIRAGANA_LETTER;
  } else if (isHalfwidthKatakana(charCode)) {
    return CharacterType.HALFWIDTH_KATAKANA_LETTER;
  }

  return CharacterType.ALPHA_LETTER;
}

/***/ }),
/* 18 */
/***/ ((__unused_webpack_module, exports, __webpack_require__) => {



Object.defineProperty(exports, "__esModule", ({
  value: true
}));
exports.PDFHistory = void 0;
exports.isDestArraysEqual = isDestArraysEqual;
exports.isDestHashesEqual = isDestHashesEqual;

var _ui_utils = __webpack_require__(1);

var _event_utils = __webpack_require__(6);

const HASH_CHANGE_TIMEOUT = 1000;
const POSITION_UPDATED_THRESHOLD = 50;
const UPDATE_VIEWAREA_TIMEOUT = 1000;

function getCurrentHash() {
  return document.location.hash;
}

class PDFHistory {
  constructor({
    linkService,
    eventBus
  }) {
    this.linkService = linkService;
    this.eventBus = eventBus;
    this._initialized = false;
    this._fingerprint = "";
    this.reset();
    this._boundEvents = null;

    this.eventBus._on("pagesinit", () => {
      this._isPagesLoaded = false;

      this.eventBus._on("pagesloaded", evt => {
        this._isPagesLoaded = !!evt.pagesCount;
      }, {
        once: true
      });
    });
  }

  initialize({
    fingerprint,
    resetHistory = false,
    updateUrl = false
  }) {
    if (!fingerprint || typeof fingerprint !== "string") {
      console.error('PDFHistory.initialize: The "fingerprint" must be a non-empty string.');
      return;
    }

    if (this._initialized) {
      this.reset();
    }

    const reInitialized = this._fingerprint !== "" && this._fingerprint !== fingerprint;
    this._fingerprint = fingerprint;
    this._updateUrl = updateUrl === true;
    this._initialized = true;

    this._bindEvents();

    const state = window.history.state;
    this._popStateInProgress = false;
    this._blockHashChange = 0;
    this._currentHash = getCurrentHash();
    this._numPositionUpdates = 0;
    this._uid = this._maxUid = 0;
    this._destination = null;
    this._position = null;

    if (!this._isValidState(state, true) || resetHistory) {
      const {
        hash,
        page,
        rotation
      } = this._parseCurrentHash(true);

      if (!hash || reInitialized || resetHistory) {
        this._pushOrReplaceState(null, true);

        return;
      }

      this._pushOrReplaceState({
        hash,
        page,
        rotation
      }, true);

      return;
    }

    const destination = state.destination;

    this._updateInternalState(destination, state.uid, true);

    if (destination.rotation !== undefined) {
      this._initialRotation = destination.rotation;
    }

    if (destination.dest) {
      this._initialBookmark = JSON.stringify(destination.dest);
      this._destination.page = null;
    } else if (destination.hash) {
      this._initialBookmark = destination.hash;
    } else if (destination.page) {
      this._initialBookmark = `page=${destination.page}`;
    }
  }

  reset() {
    if (this._initialized) {
      this._pageHide();

      this._initialized = false;

      this._unbindEvents();
    }

    if (this._updateViewareaTimeout) {
      clearTimeout(this._updateViewareaTimeout);
      this._updateViewareaTimeout = null;
    }

    this._initialBookmark = null;
    this._initialRotation = null;
  }

  push({
    namedDest = null,
    explicitDest,
    pageNumber
  }) {
    if (!this._initialized) {
      return;
    }

    if (namedDest && typeof namedDest !== "string") {
      console.error("PDFHistory.push: " + `"${namedDest}" is not a valid namedDest parameter.`);
      return;
    } else if (!Array.isArray(explicitDest)) {
      console.error("PDFHistory.push: " + `"${explicitDest}" is not a valid explicitDest parameter.`);
      return;
    } else if (!this._isValidPage(pageNumber)) {
      if (pageNumber !== null || this._destination) {
        console.error("PDFHistory.push: " + `"${pageNumber}" is not a valid pageNumber parameter.`);
        return;
      }
    }

    const hash = namedDest || JSON.stringify(explicitDest);

    if (!hash) {
      return;
    }

    let forceReplace = false;

    if (this._destination && (isDestHashesEqual(this._destination.hash, hash) || isDestArraysEqual(this._destination.dest, explicitDest))) {
      if (this._destination.page) {
        return;
      }

      forceReplace = true;
    }

    if (this._popStateInProgress && !forceReplace) {
      return;
    }

    this._pushOrReplaceState({
      dest: explicitDest,
      hash,
      page: pageNumber,
      rotation: this.linkService.rotation
    }, forceReplace);

    if (!this._popStateInProgress) {
      this._popStateInProgress = true;
      Promise.resolve().then(() => {
        this._popStateInProgress = false;
      });
    }
  }

  pushPage(pageNumber) {
    if (!this._initialized) {
      return;
    }

    if (!this._isValidPage(pageNumber)) {
      console.error(`PDFHistory.pushPage: "${pageNumber}" is not a valid page number.`);
      return;
    }

    if (this._destination?.page === pageNumber) {
      return;
    }

    if (this._popStateInProgress) {
      return;
    }

    this._pushOrReplaceState({
      dest: null,
      hash: `page=${pageNumber}`,
      page: pageNumber,
      rotation: this.linkService.rotation
    });

    if (!this._popStateInProgress) {
      this._popStateInProgress = true;
      Promise.resolve().then(() => {
        this._popStateInProgress = false;
      });
    }
  }

  pushCurrentPosition() {
    if (!this._initialized || this._popStateInProgress) {
      return;
    }

    this._tryPushCurrentPosition();
  }

  back() {
    if (!this._initialized || this._popStateInProgress) {
      return;
    }

    const state = window.history.state;

    if (this._isValidState(state) && state.uid > 0) {
      window.history.back();
    }
  }

  forward() {
    if (!this._initialized || this._popStateInProgress) {
      return;
    }

    const state = window.history.state;

    if (this._isValidState(state) && state.uid < this._maxUid) {
      window.history.forward();
    }
  }

  get popStateInProgress() {
    return this._initialized && (this._popStateInProgress || this._blockHashChange > 0);
  }

  get initialBookmark() {
    return this._initialized ? this._initialBookmark : null;
  }

  get initialRotation() {
    return this._initialized ? this._initialRotation : null;
  }

  _pushOrReplaceState(destination, forceReplace = false) {
    const shouldReplace = forceReplace || !this._destination;
    const newState = {
      fingerprint: this._fingerprint,
      uid: shouldReplace ? this._uid : this._uid + 1,
      destination
    };

    this._updateInternalState(destination, newState.uid);

    let newUrl;

    if (this._updateUrl && destination?.hash) {
      const baseUrl = document.location.href.split("#")[0];

      if (!baseUrl.startsWith("file://")) {
        newUrl = `${baseUrl}#${destination.hash}`;
      }
    }

    if (shouldReplace) {
      window.history.replaceState(newState, "", newUrl);
    } else {
      window.history.pushState(newState, "", newUrl);
    }
  }

  _tryPushCurrentPosition(temporary = false) {
    if (!this._position) {
      return;
    }

    let position = this._position;

    if (temporary) {
      position = Object.assign(Object.create(null), this._position);
      position.temporary = true;
    }

    if (!this._destination) {
      this._pushOrReplaceState(position);

      return;
    }

    if (this._destination.temporary) {
      this._pushOrReplaceState(position, true);

      return;
    }

    if (this._destination.hash === position.hash) {
      return;
    }

    if (!this._destination.page && (POSITION_UPDATED_THRESHOLD <= 0 || this._numPositionUpdates <= POSITION_UPDATED_THRESHOLD)) {
      return;
    }

    let forceReplace = false;

    if (this._destination.page >= position.first && this._destination.page <= position.page) {
      if (this._destination.dest !== undefined || !this._destination.first) {
        return;
      }

      forceReplace = true;
    }

    this._pushOrReplaceState(position, forceReplace);
  }

  _isValidPage(val) {
    return Number.isInteger(val) && val > 0 && val <= this.linkService.pagesCount;
  }

  _isValidState(state, checkReload = false) {
    if (!state) {
      return false;
    }

    if (state.fingerprint !== this._fingerprint) {
      if (checkReload) {
        if (typeof state.fingerprint !== "string" || state.fingerprint.length !== this._fingerprint.length) {
          return false;
        }

        const [perfEntry] = performance.getEntriesByType("navigation");

        if (perfEntry?.type !== "reload") {
          return false;
        }
      } else {
        return false;
      }
    }

    if (!Number.isInteger(state.uid) || state.uid < 0) {
      return false;
    }

    if (state.destination === null || typeof state.destination !== "object") {
      return false;
    }

    return true;
  }

  _updateInternalState(destination, uid, removeTemporary = false) {
    if (this._updateViewareaTimeout) {
      clearTimeout(this._updateViewareaTimeout);
      this._updateViewareaTimeout = null;
    }

    if (removeTemporary && destination?.temporary) {
      delete destination.temporary;
    }

    this._destination = destination;
    this._uid = uid;
    this._maxUid = Math.max(this._maxUid, uid);
    this._numPositionUpdates = 0;
  }

  _parseCurrentHash(checkNameddest = false) {
    const hash = unescape(getCurrentHash()).substring(1);
    const params = (0, _ui_utils.parseQueryString)(hash);
    const nameddest = params.get("nameddest") || "";
    let page = params.get("page") | 0;

    if (!this._isValidPage(page) || checkNameddest && nameddest.length > 0) {
      page = null;
    }

    return {
      hash,
      page,
      rotation: this.linkService.rotation
    };
  }

  _updateViewarea({
    location
  }) {
    if (this._updateViewareaTimeout) {
      clearTimeout(this._updateViewareaTimeout);
      this._updateViewareaTimeout = null;
    }

    this._position = {
      hash: location.pdfOpenParams.substring(1),
      page: this.linkService.page,
      first: location.pageNumber,
      rotation: location.rotation
    };

    if (this._popStateInProgress) {
      return;
    }

    if (POSITION_UPDATED_THRESHOLD > 0 && this._isPagesLoaded && this._destination && !this._destination.page) {
      this._numPositionUpdates++;
    }

    if (UPDATE_VIEWAREA_TIMEOUT > 0) {
      this._updateViewareaTimeout = setTimeout(() => {
        if (!this._popStateInProgress) {
          this._tryPushCurrentPosition(true);
        }

        this._updateViewareaTimeout = null;
      }, UPDATE_VIEWAREA_TIMEOUT);
    }
  }

  _popState({
    state
  }) {
    const newHash = getCurrentHash(),
          hashChanged = this._currentHash !== newHash;
    this._currentHash = newHash;

    if (!state) {
      this._uid++;

      const {
        hash,
        page,
        rotation
      } = this._parseCurrentHash();

      this._pushOrReplaceState({
        hash,
        page,
        rotation
      }, true);

      return;
    }

    if (!this._isValidState(state)) {
      return;
    }

    this._popStateInProgress = true;

    if (hashChanged) {
      this._blockHashChange++;
      (0, _event_utils.waitOnEventOrTimeout)({
        target: window,
        name: "hashchange",
        delay: HASH_CHANGE_TIMEOUT
      }).then(() => {
        this._blockHashChange--;
      });
    }

    const destination = state.destination;

    this._updateInternalState(destination, state.uid, true);

    if ((0, _ui_utils.isValidRotation)(destination.rotation)) {
      this.linkService.rotation = destination.rotation;
    }

    if (destination.dest) {
      this.linkService.goToDestination(destination.dest);
    } else if (destination.hash) {
      this.linkService.setHash(destination.hash);
    } else if (destination.page) {
      this.linkService.page = destination.page;
    }

    Promise.resolve().then(() => {
      this._popStateInProgress = false;
    });
  }

  _pageHide() {
    if (!this._destination || this._destination.temporary) {
      this._tryPushCurrentPosition();
    }
  }

  _bindEvents() {
    if (this._boundEvents) {
      return;
    }

    this._boundEvents = {
      updateViewarea: this._updateViewarea.bind(this),
      popState: this._popState.bind(this),
      pageHide: this._pageHide.bind(this)
    };

    this.eventBus._on("updateviewarea", this._boundEvents.updateViewarea);

    window.addEventListener("popstate", this._boundEvents.popState);
    window.addEventListener("pagehide", this._boundEvents.pageHide);
  }

  _unbindEvents() {
    if (!this._boundEvents) {
      return;
    }

    this.eventBus._off("updateviewarea", this._boundEvents.updateViewarea);

    window.removeEventListener("popstate", this._boundEvents.popState);
    window.removeEventListener("pagehide", this._boundEvents.pageHide);
    this._boundEvents = null;
  }

}

exports.PDFHistory = PDFHistory;

function isDestHashesEqual(destHash, pushHash) {
  if (typeof destHash !== "string" || typeof pushHash !== "string") {
    return false;
  }

  if (destHash === pushHash) {
    return true;
  }

  const nameddest = (0, _ui_utils.parseQueryString)(destHash).get("nameddest");

  if (nameddest === pushHash) {
    return true;
  }

  return false;
}

function isDestArraysEqual(firstDest, secondDest) {
  function isEntryEqual(first, second) {
    if (typeof first !== typeof second) {
      return false;
    }

    if (Array.isArray(first) || Array.isArray(second)) {
      return false;
    }

    if (first !== null && typeof first === "object" && second !== null) {
      if (Object.keys(first).length !== Object.keys(second).length) {
        return false;
      }

      for (const key in first) {
        if (!isEntryEqual(first[key], second[key])) {
          return false;
        }
      }

      return true;
    }

    return first === second || Number.isNaN(first) && Number.isNaN(second);
  }

  if (!(Array.isArray(firstDest) && Array.isArray(secondDest))) {
    return false;
  }

  if (firstDest.length !== secondDest.length) {
    return false;
  }

  for (let i = 0, ii = firstDest.length; i < ii; i++) {
    if (!isEntryEqual(firstDest[i], secondDest[i])) {
      return false;
    }
  }

  return true;
}

/***/ }),
/* 19 */
/***/ ((__unused_webpack_module, exports, __webpack_require__) => {



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

var _base_tree_viewer = __webpack_require__(13);

class PDFLayerViewer extends _base_tree_viewer.BaseTreeViewer {
  constructor(options) {
    super(options);
    this.l10n = options.l10n;

    this.eventBus._on("resetlayers", this._resetLayers.bind(this));

    this.eventBus._on("togglelayerstree", this._toggleAllTreeItems.bind(this));
  }

  reset() {
    super.reset();
    this._optionalContentConfig = null;
  }

  _dispatchEvent(layersCount) {
    this.eventBus.dispatch("layersloaded", {
      source: this,
      layersCount
    });
  }

  _bindLink(element, {
    groupId,
    input
  }) {
    const setVisibility = () => {
      this._optionalContentConfig.setVisibility(groupId, input.checked);

      this.eventBus.dispatch("optionalcontentconfig", {
        source: this,
        promise: Promise.resolve(this._optionalContentConfig)
      });
    };

    element.onclick = evt => {
      if (evt.target === input) {
        setVisibility();
        return true;
      } else if (evt.target !== element) {
        return true;
      }

      input.checked = !input.checked;
      setVisibility();
      return false;
    };
  }

  async _setNestedName(element, {
    name = null
  }) {
    if (typeof name === "string") {
      element.textContent = this._normalizeTextContent(name);
      return;
    }

    element.textContent = await this.l10n.get("additional_layers");
    element.style.fontStyle = "italic";
  }

  _addToggleButton(div, {
    name = null
  }) {
    super._addToggleButton(div, name === null);
  }

  _toggleAllTreeItems() {
    if (!this._optionalContentConfig) {
      return;
    }

    super._toggleAllTreeItems();
  }

  render({
    optionalContentConfig,
    pdfDocument
  }) {
    if (this._optionalContentConfig) {
      this.reset();
    }

    this._optionalContentConfig = optionalContentConfig || null;
    this._pdfDocument = pdfDocument || null;
    const groups = optionalContentConfig?.getOrder();

    if (!groups) {
      this._dispatchEvent(0);

      return;
    }

    const fragment = document.createDocumentFragment(),
          queue = [{
      parent: fragment,
      groups
    }];
    let layersCount = 0,
        hasAnyNesting = false;

    while (queue.length > 0) {
      const levelData = queue.shift();

      for (const groupId of levelData.groups) {
        const div = document.createElement("div");
        div.className = "treeItem";
        const element = document.createElement("a");
        div.append(element);

        if (typeof groupId === "object") {
          hasAnyNesting = true;

          this._addToggleButton(div, groupId);

          this._setNestedName(element, groupId);

          const itemsDiv = document.createElement("div");
          itemsDiv.className = "treeItems";
          div.append(itemsDiv);
          queue.push({
            parent: itemsDiv,
            groups: groupId.order
          });
        } else {
          const group = optionalContentConfig.getGroup(groupId);
          const input = document.createElement("input");

          this._bindLink(element, {
            groupId,
            input
          });

          input.type = "checkbox";
          input.checked = group.visible;
          const label = document.createElement("label");
          label.textContent = this._normalizeTextContent(group.name);
          label.append(input);
          element.append(label);
          layersCount++;
        }

        levelData.parent.append(div);
      }
    }

    this._finishRendering(fragment, layersCount, hasAnyNesting);
  }

  async _resetLayers() {
    if (!this._optionalContentConfig) {
      return;
    }

    const optionalContentConfig = await this._pdfDocument.getOptionalContentConfig();
    this.eventBus.dispatch("optionalcontentconfig", {
      source: this,
      promise: Promise.resolve(optionalContentConfig)
    });
    this.render({
      optionalContentConfig,
      pdfDocument: this._pdfDocument
    });
  }

}

exports.PDFLayerViewer = PDFLayerViewer;

/***/ }),
/* 20 */
/***/ ((__unused_webpack_module, exports, __webpack_require__) => {



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

var _base_tree_viewer = __webpack_require__(13);

var _pdfjsLib = __webpack_require__(5);

var _ui_utils = __webpack_require__(1);

class PDFOutlineViewer extends _base_tree_viewer.BaseTreeViewer {
  constructor(options) {
    super(options);
    this.linkService = options.linkService;

    this.eventBus._on("toggleoutlinetree", this._toggleAllTreeItems.bind(this));

    this.eventBus._on("currentoutlineitem", this._currentOutlineItem.bind(this));

    this.eventBus._on("pagechanging", evt => {
      this._currentPageNumber = evt.pageNumber;
    });

    this.eventBus._on("pagesloaded", evt => {
      this._isPagesLoaded = !!evt.pagesCount;

      if (this._currentOutlineItemCapability && !this._currentOutlineItemCapability.settled) {
        this._currentOutlineItemCapability.resolve(this._isPagesLoaded);
      }
    });

    this.eventBus._on("sidebarviewchanged", evt => {
      this._sidebarView = evt.view;
    });
  }

  reset() {
    super.reset();
    this._outline = null;
    this._pageNumberToDestHashCapability = null;
    this._currentPageNumber = 1;
    this._isPagesLoaded = null;

    if (this._currentOutlineItemCapability && !this._currentOutlineItemCapability.settled) {
      this._currentOutlineItemCapability.resolve(false);
    }

    this._currentOutlineItemCapability = null;
  }

  _dispatchEvent(outlineCount) {
    this._currentOutlineItemCapability = (0, _pdfjsLib.createPromiseCapability)();

    if (outlineCount === 0 || this._pdfDocument?.loadingParams.disableAutoFetch) {
      this._currentOutlineItemCapability.resolve(false);
    } else if (this._isPagesLoaded !== null) {
      this._currentOutlineItemCapability.resolve(this._isPagesLoaded);
    }

    this.eventBus.dispatch("outlineloaded", {
      source: this,
      outlineCount,
      currentOutlineItemPromise: this._currentOutlineItemCapability.promise
    });
  }

  _bindLink(element, {
    url,
    newWindow,
    dest
  }) {
    const {
      linkService
    } = this;

    if (url) {
      linkService.addLinkAttributes(element, url, newWindow);
      return;
    }

    element.href = linkService.getDestinationHash(dest);

    element.onclick = evt => {
      this._updateCurrentTreeItem(evt.target.parentNode);

      if (dest) {
        linkService.goToDestination(dest);
      }

      return false;
    };
  }

  _setStyles(element, {
    bold,
    italic
  }) {
    if (bold) {
      element.style.fontWeight = "bold";
    }

    if (italic) {
      element.style.fontStyle = "italic";
    }
  }

  _addToggleButton(div, {
    count,
    items
  }) {
    let hidden = false;

    if (count < 0) {
      let totalCount = items.length;

      if (totalCount > 0) {
        const queue = [...items];

        while (queue.length > 0) {
          const {
            count: nestedCount,
            items: nestedItems
          } = queue.shift();

          if (nestedCount > 0 && nestedItems.length > 0) {
            totalCount += nestedItems.length;
            queue.push(...nestedItems);
          }
        }
      }

      if (Math.abs(count) === totalCount) {
        hidden = true;
      }
    }

    super._addToggleButton(div, hidden);
  }

  _toggleAllTreeItems() {
    if (!this._outline) {
      return;
    }

    super._toggleAllTreeItems();
  }

  render({
    outline,
    pdfDocument
  }) {
    if (this._outline) {
      this.reset();
    }

    this._outline = outline || null;
    this._pdfDocument = pdfDocument || null;

    if (!outline) {
      this._dispatchEvent(0);

      return;
    }

    const fragment = document.createDocumentFragment();
    const queue = [{
      parent: fragment,
      items: outline
    }];
    let outlineCount = 0,
        hasAnyNesting = false;

    while (queue.length > 0) {
      const levelData = queue.shift();

      for (const item of levelData.items) {
        const div = document.createElement("div");
        div.className = "treeItem";
        const element = document.createElement("a");

        this._bindLink(element, item);

        this._setStyles(element, item);

        element.textContent = this._normalizeTextContent(item.title);
        div.append(element);

        if (item.items.length > 0) {
          hasAnyNesting = true;

          this._addToggleButton(div, item);

          const itemsDiv = document.createElement("div");
          itemsDiv.className = "treeItems";
          div.append(itemsDiv);
          queue.push({
            parent: itemsDiv,
            items: item.items
          });
        }

        levelData.parent.append(div);
        outlineCount++;
      }
    }

    this._finishRendering(fragment, outlineCount, hasAnyNesting);
  }

  async _currentOutlineItem() {
    if (!this._isPagesLoaded) {
      throw new Error("_currentOutlineItem: All pages have not been loaded.");
    }

    if (!this._outline || !this._pdfDocument) {
      return;
    }

    const pageNumberToDestHash = await this._getPageNumberToDestHash(this._pdfDocument);

    if (!pageNumberToDestHash) {
      return;
    }

    this._updateCurrentTreeItem(null);

    if (this._sidebarView !== _ui_utils.SidebarView.OUTLINE) {
      return;
    }

    for (let i = this._currentPageNumber; i > 0; i--) {
      const destHash = pageNumberToDestHash.get(i);

      if (!destHash) {
        continue;
      }

      const linkElement = this.container.querySelector(`a[href="${destHash}"]`);

      if (!linkElement) {
        continue;
      }

      this._scrollToCurrentTreeItem(linkElement.parentNode);

      break;
    }
  }

  async _getPageNumberToDestHash(pdfDocument) {
    if (this._pageNumberToDestHashCapability) {
      return this._pageNumberToDestHashCapability.promise;
    }

    this._pageNumberToDestHashCapability = (0, _pdfjsLib.createPromiseCapability)();
    const pageNumberToDestHash = new Map(),
          pageNumberNesting = new Map();
    const queue = [{
      nesting: 0,
      items: this._outline
    }];

    while (queue.length > 0) {
      const levelData = queue.shift(),
            currentNesting = levelData.nesting;

      for (const {
        dest,
        items
      } of levelData.items) {
        let explicitDest, pageNumber;

        if (typeof dest === "string") {
          explicitDest = await pdfDocument.getDestination(dest);

          if (pdfDocument !== this._pdfDocument) {
            return null;
          }
        } else {
          explicitDest = dest;
        }

        if (Array.isArray(explicitDest)) {
          const [destRef] = explicitDest;

          if (typeof destRef === "object" && destRef !== null) {
            pageNumber = this.linkService._cachedPageNumber(destRef);

            if (!pageNumber) {
              try {
                pageNumber = (await pdfDocument.getPageIndex(destRef)) + 1;

                if (pdfDocument !== this._pdfDocument) {
                  return null;
                }

                this.linkService.cachePageRef(pageNumber, destRef);
              } catch (ex) {}
            }
          } else if (Number.isInteger(destRef)) {
            pageNumber = destRef + 1;
          }

          if (Number.isInteger(pageNumber) && (!pageNumberToDestHash.has(pageNumber) || currentNesting > pageNumberNesting.get(pageNumber))) {
            const destHash = this.linkService.getDestinationHash(dest);
            pageNumberToDestHash.set(pageNumber, destHash);
            pageNumberNesting.set(pageNumber, currentNesting);
          }
        }

        if (items.length > 0) {
          queue.push({
            nesting: currentNesting + 1,
            items
          });
        }
      }
    }

    this._pageNumberToDestHashCapability.resolve(pageNumberToDestHash.size > 0 ? pageNumberToDestHash : null);

    return this._pageNumberToDestHashCapability.promise;
  }

}

exports.PDFOutlineViewer = PDFOutlineViewer;

/***/ }),
/* 21 */
/***/ ((__unused_webpack_module, exports, __webpack_require__) => {



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

var _ui_utils = __webpack_require__(1);

var _pdfjsLib = __webpack_require__(5);

const DELAY_BEFORE_HIDING_CONTROLS = 3000;
const ACTIVE_SELECTOR = "pdfPresentationMode";
const CONTROLS_SELECTOR = "pdfPresentationModeControls";
const MOUSE_SCROLL_COOLDOWN_TIME = 50;
const PAGE_SWITCH_THRESHOLD = 0.1;
const SWIPE_MIN_DISTANCE_THRESHOLD = 50;
const SWIPE_ANGLE_THRESHOLD = Math.PI / 6;

class PDFPresentationMode {
  #state = _ui_utils.PresentationModeState.UNKNOWN;
  #args = null;

  constructor({
    container,
    pdfViewer,
    eventBus
  }) {
    this.container = container;
    this.pdfViewer = pdfViewer;
    this.eventBus = eventBus;
    this.contextMenuOpen = false;
    this.mouseScrollTimeStamp = 0;
    this.mouseScrollDelta = 0;
    this.touchSwipeState = null;
  }

  async request() {
    const {
      container,
      pdfViewer
    } = this;

    if (this.active || !pdfViewer.pagesCount || !container.requestFullscreen) {
      return false;
    }

    this.#addFullscreenChangeListeners();
    this.#notifyStateChange(_ui_utils.PresentationModeState.CHANGING);
    const promise = container.requestFullscreen();
    this.#args = {
      pageNumber: pdfViewer.currentPageNumber,
      scaleValue: pdfViewer.currentScaleValue,
      scrollMode: pdfViewer.scrollMode,
      spreadMode: null,
      annotationEditorMode: null
    };

    if (pdfViewer.spreadMode !== _ui_utils.SpreadMode.NONE && !(pdfViewer.pageViewsReady && pdfViewer.hasEqualPageSizes)) {
      console.warn("Ignoring Spread modes when entering PresentationMode, " + "since the document may contain varying page sizes.");
      this.#args.spreadMode = pdfViewer.spreadMode;
    }

    if (pdfViewer.annotationEditorMode !== _pdfjsLib.AnnotationEditorType.DISABLE) {
      this.#args.annotationEditorMode = pdfViewer.annotationEditorMode;
    }

    try {
      await promise;
      pdfViewer.focus();
      return true;
    } catch (reason) {
      this.#removeFullscreenChangeListeners();
      this.#notifyStateChange(_ui_utils.PresentationModeState.NORMAL);
    }

    return false;
  }

  get active() {
    return this.#state === _ui_utils.PresentationModeState.CHANGING || this.#state === _ui_utils.PresentationModeState.FULLSCREEN;
  }

  #mouseWheel(evt) {
    if (!this.active) {
      return;
    }

    evt.preventDefault();
    const delta = (0, _ui_utils.normalizeWheelEventDelta)(evt);
    const currentTime = Date.now();
    const storedTime = this.mouseScrollTimeStamp;

    if (currentTime > storedTime && currentTime - storedTime < MOUSE_SCROLL_COOLDOWN_TIME) {
      return;
    }

    if (this.mouseScrollDelta > 0 && delta < 0 || this.mouseScrollDelta < 0 && delta > 0) {
      this.#resetMouseScrollState();
    }

    this.mouseScrollDelta += delta;

    if (Math.abs(this.mouseScrollDelta) >= PAGE_SWITCH_THRESHOLD) {
      const totalDelta = this.mouseScrollDelta;
      this.#resetMouseScrollState();
      const success = totalDelta > 0 ? this.pdfViewer.previousPage() : this.pdfViewer.nextPage();

      if (success) {
        this.mouseScrollTimeStamp = currentTime;
      }
    }
  }

  #notifyStateChange(state) {
    this.#state = state;
    this.eventBus.dispatch("presentationmodechanged", {
      source: this,
      state
    });
  }

  #enter() {
    this.#notifyStateChange(_ui_utils.PresentationModeState.FULLSCREEN);
    this.container.classList.add(ACTIVE_SELECTOR);
    setTimeout(() => {
      this.pdfViewer.scrollMode = _ui_utils.ScrollMode.PAGE;

      if (this.#args.spreadMode !== null) {
        this.pdfViewer.spreadMode = _ui_utils.SpreadMode.NONE;
      }

      this.pdfViewer.currentPageNumber = this.#args.pageNumber;
      this.pdfViewer.currentScaleValue = "page-fit";

      if (this.#args.annotationEditorMode !== null) {
        this.pdfViewer.annotationEditorMode = _pdfjsLib.AnnotationEditorType.NONE;
      }
    }, 0);
    this.#addWindowListeners();
    this.#showControls();
    this.contextMenuOpen = false;
    window.getSelection().removeAllRanges();
  }

  #exit() {
    const pageNumber = this.pdfViewer.currentPageNumber;
    this.container.classList.remove(ACTIVE_SELECTOR);
    setTimeout(() => {
      this.#removeFullscreenChangeListeners();
      this.#notifyStateChange(_ui_utils.PresentationModeState.NORMAL);
      this.pdfViewer.scrollMode = this.#args.scrollMode;

      if (this.#args.spreadMode !== null) {
        this.pdfViewer.spreadMode = this.#args.spreadMode;
      }

      this.pdfViewer.currentScaleValue = this.#args.scaleValue;
      this.pdfViewer.currentPageNumber = pageNumber;

      if (this.#args.annotationEditorMode !== null) {
        this.pdfViewer.annotationEditorMode = this.#args.annotationEditorMode;
      }

      this.#args = null;
    }, 0);
    this.#removeWindowListeners();
    this.#hideControls();
    this.#resetMouseScrollState();
    this.contextMenuOpen = false;
  }

  #mouseDown(evt) {
    if (this.contextMenuOpen) {
      this.contextMenuOpen = false;
      evt.preventDefault();
      return;
    }

    if (evt.button === 0) {
      const isInternalLink = evt.target.href && evt.target.classList.contains("internalLink");

      if (!isInternalLink) {
        evt.preventDefault();

        if (evt.shiftKey) {
          this.pdfViewer.previousPage();
        } else {
          this.pdfViewer.nextPage();
        }
      }
    }
  }

  #contextMenu() {
    this.contextMenuOpen = true;
  }

  #showControls() {
    if (this.controlsTimeout) {
      clearTimeout(this.controlsTimeout);
    } else {
      this.container.classList.add(CONTROLS_SELECTOR);
    }

    this.controlsTimeout = setTimeout(() => {
      this.container.classList.remove(CONTROLS_SELECTOR);
      delete this.controlsTimeout;
    }, DELAY_BEFORE_HIDING_CONTROLS);
  }

  #hideControls() {
    if (!this.controlsTimeout) {
      return;
    }

    clearTimeout(this.controlsTimeout);
    this.container.classList.remove(CONTROLS_SELECTOR);
    delete this.controlsTimeout;
  }

  #resetMouseScrollState() {
    this.mouseScrollTimeStamp = 0;
    this.mouseScrollDelta = 0;
  }

  #touchSwipe(evt) {
    if (!this.active) {
      return;
    }

    if (evt.touches.length > 1) {
      this.touchSwipeState = null;
      return;
    }

    switch (evt.type) {
      case "touchstart":
        this.touchSwipeState = {
          startX: evt.touches[0].pageX,
          startY: evt.touches[0].pageY,
          endX: evt.touches[0].pageX,
          endY: evt.touches[0].pageY
        };
        break;

      case "touchmove":
        if (this.touchSwipeState === null) {
          return;
        }

        this.touchSwipeState.endX = evt.touches[0].pageX;
        this.touchSwipeState.endY = evt.touches[0].pageY;
        evt.preventDefault();
        break;

      case "touchend":
        if (this.touchSwipeState === null) {
          return;
        }

        let delta = 0;
        const dx = this.touchSwipeState.endX - this.touchSwipeState.startX;
        const dy = this.touchSwipeState.endY - this.touchSwipeState.startY;
        const absAngle = Math.abs(Math.atan2(dy, dx));

        if (Math.abs(dx) > SWIPE_MIN_DISTANCE_THRESHOLD && (absAngle <= SWIPE_ANGLE_THRESHOLD || absAngle >= Math.PI - SWIPE_ANGLE_THRESHOLD)) {
          delta = dx;
        } else if (Math.abs(dy) > SWIPE_MIN_DISTANCE_THRESHOLD && Math.abs(absAngle - Math.PI / 2) <= SWIPE_ANGLE_THRESHOLD) {
          delta = dy;
        }

        if (delta > 0) {
          this.pdfViewer.previousPage();
        } else if (delta < 0) {
          this.pdfViewer.nextPage();
        }

        break;
    }
  }

  #addWindowListeners() {
    this.showControlsBind = this.#showControls.bind(this);
    this.mouseDownBind = this.#mouseDown.bind(this);
    this.mouseWheelBind = this.#mouseWheel.bind(this);
    this.resetMouseScrollStateBind = this.#resetMouseScrollState.bind(this);
    this.contextMenuBind = this.#contextMenu.bind(this);
    this.touchSwipeBind = this.#touchSwipe.bind(this);
    window.addEventListener("mousemove", this.showControlsBind);
    window.addEventListener("mousedown", this.mouseDownBind);
    window.addEventListener("wheel", this.mouseWheelBind, {
      passive: false
    });
    window.addEventListener("keydown", this.resetMouseScrollStateBind);
    window.addEventListener("contextmenu", this.contextMenuBind);
    window.addEventListener("touchstart", this.touchSwipeBind);
    window.addEventListener("touchmove", this.touchSwipeBind);
    window.addEventListener("touchend", this.touchSwipeBind);
  }

  #removeWindowListeners() {
    window.removeEventListener("mousemove", this.showControlsBind);
    window.removeEventListener("mousedown", this.mouseDownBind);
    window.removeEventListener("wheel", this.mouseWheelBind, {
      passive: false
    });
    window.removeEventListener("keydown", this.resetMouseScrollStateBind);
    window.removeEventListener("contextmenu", this.contextMenuBind);
    window.removeEventListener("touchstart", this.touchSwipeBind);
    window.removeEventListener("touchmove", this.touchSwipeBind);
    window.removeEventListener("touchend", this.touchSwipeBind);
    delete this.showControlsBind;
    delete this.mouseDownBind;
    delete this.mouseWheelBind;
    delete this.resetMouseScrollStateBind;
    delete this.contextMenuBind;
    delete this.touchSwipeBind;
  }

  #fullscreenChange() {
    if (document.fullscreenElement) {
      this.#enter();
    } else {
      this.#exit();
    }
  }

  #addFullscreenChangeListeners() {
    this.fullscreenChangeBind = this.#fullscreenChange.bind(this);
    window.addEventListener("fullscreenchange", this.fullscreenChangeBind);
  }

  #removeFullscreenChangeListeners() {
    window.removeEventListener("fullscreenchange", this.fullscreenChangeBind);
    delete this.fullscreenChangeBind;
  }

}

exports.PDFPresentationMode = PDFPresentationMode;

/***/ }),
/* 22 */
/***/ ((__unused_webpack_module, exports, __webpack_require__) => {



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

var _pdfjsLib = __webpack_require__(5);

var _ui_utils = __webpack_require__(1);

const CLEANUP_TIMEOUT = 30000;

class PDFRenderingQueue {
  constructor() {
    this.pdfViewer = null;
    this.pdfThumbnailViewer = null;
    this.onIdle = null;
    this.highestPriorityPage = null;
    this.idleTimeout = null;
    this.printing = false;
    this.isThumbnailViewEnabled = false;
  }

  setViewer(pdfViewer) {
    this.pdfViewer = pdfViewer;
  }

  setThumbnailViewer(pdfThumbnailViewer) {
    this.pdfThumbnailViewer = pdfThumbnailViewer;
  }

  isHighestPriority(view) {
    return this.highestPriorityPage === view.renderingId;
  }

  hasViewer() {
    return !!this.pdfViewer;
  }

  renderHighestPriority(currentlyVisiblePages) {
    if (this.idleTimeout) {
      clearTimeout(this.idleTimeout);
      this.idleTimeout = null;
    }

    if (this.pdfViewer.forceRendering(currentlyVisiblePages)) {
      return;
    }

    if (this.isThumbnailViewEnabled && this.pdfThumbnailViewer?.forceRendering()) {
      return;
    }

    if (this.printing) {
      return;
    }

    if (this.onIdle) {
      this.idleTimeout = setTimeout(this.onIdle.bind(this), CLEANUP_TIMEOUT);
    }
  }

  getHighestPriority(visible, views, scrolledDown, preRenderExtra = false) {
    const visibleViews = visible.views,
          numVisible = visibleViews.length;

    if (numVisible === 0) {
      return null;
    }

    for (let i = 0; i < numVisible; i++) {
      const view = visibleViews[i].view;

      if (!this.isViewFinished(view)) {
        return view;
      }
    }

    const firstId = visible.first.id,
          lastId = visible.last.id;

    if (lastId - firstId + 1 > numVisible) {
      const visibleIds = visible.ids;

      for (let i = 1, ii = lastId - firstId; i < ii; i++) {
        const holeId = scrolledDown ? firstId + i : lastId - i;

        if (visibleIds.has(holeId)) {
          continue;
        }

        const holeView = views[holeId - 1];

        if (!this.isViewFinished(holeView)) {
          return holeView;
        }
      }
    }

    let preRenderIndex = scrolledDown ? lastId : firstId - 2;
    let preRenderView = views[preRenderIndex];

    if (preRenderView && !this.isViewFinished(preRenderView)) {
      return preRenderView;
    }

    if (preRenderExtra) {
      preRenderIndex += scrolledDown ? 1 : -1;
      preRenderView = views[preRenderIndex];

      if (preRenderView && !this.isViewFinished(preRenderView)) {
        return preRenderView;
      }
    }

    return null;
  }

  isViewFinished(view) {
    return view.renderingState === _ui_utils.RenderingStates.FINISHED;
  }

  renderView(view) {
    switch (view.renderingState) {
      case _ui_utils.RenderingStates.FINISHED:
        return false;

      case _ui_utils.RenderingStates.PAUSED:
        this.highestPriorityPage = view.renderingId;
        view.resume();
        break;

      case _ui_utils.RenderingStates.RUNNING:
        this.highestPriorityPage = view.renderingId;
        break;

      case _ui_utils.RenderingStates.INITIAL:
        this.highestPriorityPage = view.renderingId;
        view.draw().finally(() => {
          this.renderHighestPriority();
        }).catch(reason => {
          if (reason instanceof _pdfjsLib.RenderingCancelledException) {
            return;
          }

          console.error(`renderView: "${reason}"`);
        });
        break;
    }

    return true;
  }

}

exports.PDFRenderingQueue = PDFRenderingQueue;

/***/ }),
/* 23 */
/***/ ((__unused_webpack_module, exports, __webpack_require__) => {



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

var _ui_utils = __webpack_require__(1);

var _pdfjsLib = __webpack_require__(5);

class PDFScriptingManager {
  constructor({
    eventBus,
    sandboxBundleSrc = null,
    scriptingFactory = null,
    docPropertiesLookup = null
  }) {
    this._pdfDocument = null;
    this._pdfViewer = null;
    this._closeCapability = null;
    this._destroyCapability = null;
    this._scripting = null;
    this._mouseState = Object.create(null);
    this._ready = false;
    this._eventBus = eventBus;
    this._sandboxBundleSrc = sandboxBundleSrc;
    this._scriptingFactory = scriptingFactory;
    this._docPropertiesLookup = docPropertiesLookup;
  }

  setViewer(pdfViewer) {
    this._pdfViewer = pdfViewer;
  }

  async setDocument(pdfDocument) {
    if (this._pdfDocument) {
      await this._destroyScripting();
    }

    this._pdfDocument = pdfDocument;

    if (!pdfDocument) {
      return;
    }

    const [objects, calculationOrder, docActions] = await Promise.all([pdfDocument.getFieldObjects(), pdfDocument.getCalculationOrderIds(), pdfDocument.getJSActions()]);

    if (!objects && !docActions) {
      await this._destroyScripting();
      return;
    }

    if (pdfDocument !== this._pdfDocument) {
      return;
    }

    try {
      this._scripting = this._createScripting();
    } catch (error) {
      console.error(`PDFScriptingManager.setDocument: "${error?.message}".`);
      await this._destroyScripting();
      return;
    }

    this._internalEvents.set("updatefromsandbox", event => {
      if (event?.source !== window) {
        return;
      }

      this._updateFromSandbox(event.detail);
    });

    this._internalEvents.set("dispatcheventinsandbox", event => {
      this._scripting?.dispatchEventInSandbox(event.detail);
    });

    this._internalEvents.set("pagechanging", ({
      pageNumber,
      previous
    }) => {
      if (pageNumber === previous) {
        return;
      }

      this._dispatchPageClose(previous);

      this._dispatchPageOpen(pageNumber);
    });

    this._internalEvents.set("pagerendered", ({
      pageNumber
    }) => {
      if (!this._pageOpenPending.has(pageNumber)) {
        return;
      }

      if (pageNumber !== this._pdfViewer.currentPageNumber) {
        return;
      }

      this._dispatchPageOpen(pageNumber);
    });

    this._internalEvents.set("pagesdestroy", async event => {
      await this._dispatchPageClose(this._pdfViewer.currentPageNumber);
      await this._scripting?.dispatchEventInSandbox({
        id: "doc",
        name: "WillClose"
      });
      this._closeCapability?.resolve();
    });

    this._domEvents.set("mousedown", event => {
      this._mouseState.isDown = true;
    });

    this._domEvents.set("mouseup", event => {
      this._mouseState.isDown = false;
    });

    for (const [name, listener] of this._internalEvents) {
      this._eventBus._on(name, listener);
    }

    for (const [name, listener] of this._domEvents) {
      window.addEventListener(name, listener, true);
    }

    try {
      const docProperties = await this._getDocProperties();

      if (pdfDocument !== this._pdfDocument) {
        return;
      }

      await this._scripting.createSandbox({
        objects,
        calculationOrder,
        appInfo: {
          platform: navigator.platform,
          language: navigator.language
        },
        docInfo: { ...docProperties,
          actions: docActions
        }
      });

      this._eventBus.dispatch("sandboxcreated", {
        source: this
      });
    } catch (error) {
      console.error(`PDFScriptingManager.setDocument: "${error?.message}".`);
      await this._destroyScripting();
      return;
    }

    await this._scripting?.dispatchEventInSandbox({
      id: "doc",
      name: "Open"
    });
    await this._dispatchPageOpen(this._pdfViewer.currentPageNumber, true);
    Promise.resolve().then(() => {
      if (pdfDocument === this._pdfDocument) {
        this._ready = true;
      }
    });
  }

  async dispatchWillSave(detail) {
    return this._scripting?.dispatchEventInSandbox({
      id: "doc",
      name: "WillSave"
    });
  }

  async dispatchDidSave(detail) {
    return this._scripting?.dispatchEventInSandbox({
      id: "doc",
      name: "DidSave"
    });
  }

  async dispatchWillPrint(detail) {
    return this._scripting?.dispatchEventInSandbox({
      id: "doc",
      name: "WillPrint"
    });
  }

  async dispatchDidPrint(detail) {
    return this._scripting?.dispatchEventInSandbox({
      id: "doc",
      name: "DidPrint"
    });
  }

  get mouseState() {
    return this._mouseState;
  }

  get destroyPromise() {
    return this._destroyCapability?.promise || null;
  }

  get ready() {
    return this._ready;
  }

  get _internalEvents() {
    return (0, _pdfjsLib.shadow)(this, "_internalEvents", new Map());
  }

  get _domEvents() {
    return (0, _pdfjsLib.shadow)(this, "_domEvents", new Map());
  }

  get _pageOpenPending() {
    return (0, _pdfjsLib.shadow)(this, "_pageOpenPending", new Set());
  }

  get _visitedPages() {
    return (0, _pdfjsLib.shadow)(this, "_visitedPages", new Map());
  }

  async _updateFromSandbox(detail) {
    const isInPresentationMode = this._pdfViewer.isInPresentationMode || this._pdfViewer.isChangingPresentationMode;
    const {
      id,
      siblings,
      command,
      value
    } = detail;

    if (!id) {
      switch (command) {
        case "clear":
          console.clear();
          break;

        case "error":
          console.error(value);
          break;

        case "layout":
          if (isInPresentationMode) {
            return;
          }

          const modes = (0, _ui_utils.apiPageLayoutToViewerModes)(value);
          this._pdfViewer.spreadMode = modes.spreadMode;
          break;

        case "page-num":
          this._pdfViewer.currentPageNumber = value + 1;
          break;

        case "print":
          await this._pdfViewer.pagesPromise;

          this._eventBus.dispatch("print", {
            source: this
          });

          break;

        case "println":
          console.log(value);
          break;

        case "zoom":
          if (isInPresentationMode) {
            return;
          }

          this._pdfViewer.currentScaleValue = value;
          break;

        case "SaveAs":
          this._eventBus.dispatch("download", {
            source: this
          });

          break;

        case "FirstPage":
          this._pdfViewer.currentPageNumber = 1;
          break;

        case "LastPage":
          this._pdfViewer.currentPageNumber = this._pdfViewer.pagesCount;
          break;

        case "NextPage":
          this._pdfViewer.nextPage();

          break;

        case "PrevPage":
          this._pdfViewer.previousPage();

          break;

        case "ZoomViewIn":
          if (isInPresentationMode) {
            return;
          }

          this._pdfViewer.increaseScale();

          break;

        case "ZoomViewOut":
          if (isInPresentationMode) {
            return;
          }

          this._pdfViewer.decreaseScale();

          break;
      }


      return;
    }

    if (isInPresentationMode) {
      if (detail.focus) {
        return;
      }
    }

    delete detail.id;
    delete detail.siblings;
    const ids = siblings ? [id, ...siblings] : [id];

    for (const elementId of ids) {
      const element = document.querySelector(`[data-element-id="${elementId}"]`);

      if (element) {
        element.dispatchEvent(new CustomEvent("updatefromsandbox", {
          detail
        }));
      } else {
        this._pdfDocument?.annotationStorage.setValue(elementId, detail);
      }
    }
  }

  async _dispatchPageOpen(pageNumber, initialize = false) {
    const pdfDocument = this._pdfDocument,
          visitedPages = this._visitedPages;

    if (initialize) {
      this._closeCapability = (0, _pdfjsLib.createPromiseCapability)();
    }

    if (!this._closeCapability) {
      return;
    }

    const pageView = this._pdfViewer.getPageView(pageNumber - 1);

    if (pageView?.renderingState !== _ui_utils.RenderingStates.FINISHED) {
      this._pageOpenPending.add(pageNumber);

      return;
    }

    this._pageOpenPending.delete(pageNumber);

    const actionsPromise = (async () => {
      const actions = await (!visitedPages.has(pageNumber) ? pageView.pdfPage?.getJSActions() : null);

      if (pdfDocument !== this._pdfDocument) {
        return;
      }

      await this._scripting?.dispatchEventInSandbox({
        id: "page",
        name: "PageOpen",
        pageNumber,
        actions
      });
    })();

    visitedPages.set(pageNumber, actionsPromise);
  }

  async _dispatchPageClose(pageNumber) {
    const pdfDocument = this._pdfDocument,
          visitedPages = this._visitedPages;

    if (!this._closeCapability) {
      return;
    }

    if (this._pageOpenPending.has(pageNumber)) {
      return;
    }

    const actionsPromise = visitedPages.get(pageNumber);

    if (!actionsPromise) {
      return;
    }

    visitedPages.set(pageNumber, null);
    await actionsPromise;

    if (pdfDocument !== this._pdfDocument) {
      return;
    }

    await this._scripting?.dispatchEventInSandbox({
      id: "page",
      name: "PageClose",
      pageNumber
    });
  }

  async _getDocProperties() {
    if (this._docPropertiesLookup) {
      return this._docPropertiesLookup(this._pdfDocument);
    }

    throw new Error("_getDocProperties: Unable to lookup properties.");
  }

  _createScripting() {
    this._destroyCapability = (0, _pdfjsLib.createPromiseCapability)();

    if (this._scripting) {
      throw new Error("_createScripting: Scripting already exists.");
    }

    if (this._scriptingFactory) {
      return this._scriptingFactory.createScripting({
        sandboxBundleSrc: this._sandboxBundleSrc
      });
    }

    throw new Error("_createScripting: Cannot create scripting.");
  }

  async _destroyScripting() {
    if (!this._scripting) {
      this._pdfDocument = null;
      this._destroyCapability?.resolve();
      return;
    }

    if (this._closeCapability) {
      await Promise.race([this._closeCapability.promise, new Promise(resolve => {
        setTimeout(resolve, 1000);
      })]).catch(reason => {});
      this._closeCapability = null;
    }

    this._pdfDocument = null;

    try {
      await this._scripting.destroySandbox();
    } catch (ex) {}

    for (const [name, listener] of this._internalEvents) {
      this._eventBus._off(name, listener);
    }

    this._internalEvents.clear();

    for (const [name, listener] of this._domEvents) {
      window.removeEventListener(name, listener, true);
    }

    this._domEvents.clear();

    this._pageOpenPending.clear();

    this._visitedPages.clear();

    this._scripting = null;
    delete this._mouseState.isDown;
    this._ready = false;
    this._destroyCapability?.resolve();
  }

}

exports.PDFScriptingManager = PDFScriptingManager;

/***/ }),
/* 24 */
/***/ ((__unused_webpack_module, exports, __webpack_require__) => {



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

var _ui_utils = __webpack_require__(1);

const UI_NOTIFICATION_CLASS = "pdfSidebarNotification";

class PDFSidebar {
  constructor({
    elements,
    pdfViewer,
    pdfThumbnailViewer,
    eventBus,
    l10n
  }) {
    this.isOpen = false;
    this.active = _ui_utils.SidebarView.THUMBS;
    this.isInitialViewSet = false;
    this.isInitialEventDispatched = false;
    this.onToggled = null;
    this.pdfViewer = pdfViewer;
    this.pdfThumbnailViewer = pdfThumbnailViewer;
    this.outerContainer = elements.outerContainer;
    this.sidebarContainer = elements.sidebarContainer;
    this.toggleButton = elements.toggleButton;
    this.thumbnailButton = elements.thumbnailButton;
    this.outlineButton = elements.outlineButton;
    this.attachmentsButton = elements.attachmentsButton;
    this.layersButton = elements.layersButton;
    this.thumbnailView = elements.thumbnailView;
    this.outlineView = elements.outlineView;
    this.attachmentsView = elements.attachmentsView;
    this.layersView = elements.layersView;
    this._outlineOptionsContainer = elements.outlineOptionsContainer;
    this._currentOutlineItemButton = elements.currentOutlineItemButton;
    this.eventBus = eventBus;
    this.l10n = l10n;
    this.#addEventListeners();
  }

  reset() {
    this.isInitialViewSet = false;
    this.isInitialEventDispatched = false;
    this.#hideUINotification(true);
    this.switchView(_ui_utils.SidebarView.THUMBS);
    this.outlineButton.disabled = false;
    this.attachmentsButton.disabled = false;
    this.layersButton.disabled = false;
    this._currentOutlineItemButton.disabled = true;
  }

  get visibleView() {
    return this.isOpen ? this.active : _ui_utils.SidebarView.NONE;
  }

  setInitialView(view = _ui_utils.SidebarView.NONE) {
    if (this.isInitialViewSet) {
      return;
    }

    this.isInitialViewSet = true;

    if (view === _ui_utils.SidebarView.NONE || view === _ui_utils.SidebarView.UNKNOWN) {
      this.#dispatchEvent();
      return;
    }

    this.switchView(view, true);

    if (!this.isInitialEventDispatched) {
      this.#dispatchEvent();
    }
  }

  switchView(view, forceOpen = false) {
    const isViewChanged = view !== this.active;
    let shouldForceRendering = false;

    switch (view) {
      case _ui_utils.SidebarView.NONE:
        if (this.isOpen) {
          this.close();
        }

        return;

      case _ui_utils.SidebarView.THUMBS:
        if (this.isOpen && isViewChanged) {
          shouldForceRendering = true;
        }

        break;

      case _ui_utils.SidebarView.OUTLINE:
        if (this.outlineButton.disabled) {
          return;
        }

        break;

      case _ui_utils.SidebarView.ATTACHMENTS:
        if (this.attachmentsButton.disabled) {
          return;
        }

        break;

      case _ui_utils.SidebarView.LAYERS:
        if (this.layersButton.disabled) {
          return;
        }

        break;

      default:
        console.error(`PDFSidebar.switchView: "${view}" is not a valid view.`);
        return;
    }

    this.active = view;
    const isThumbs = view === _ui_utils.SidebarView.THUMBS,
          isOutline = view === _ui_utils.SidebarView.OUTLINE,
          isAttachments = view === _ui_utils.SidebarView.ATTACHMENTS,
          isLayers = view === _ui_utils.SidebarView.LAYERS;
    this.thumbnailButton.classList.toggle("toggled", isThumbs);
    this.outlineButton.classList.toggle("toggled", isOutline);
    this.attachmentsButton.classList.toggle("toggled", isAttachments);
    this.layersButton.classList.toggle("toggled", isLayers);
    this.thumbnailButton.setAttribute("aria-checked", isThumbs);
    this.outlineButton.setAttribute("aria-checked", isOutline);
    this.attachmentsButton.setAttribute("aria-checked", isAttachments);
    this.layersButton.setAttribute("aria-checked", isLayers);
    this.thumbnailView.classList.toggle("hidden", !isThumbs);
    this.outlineView.classList.toggle("hidden", !isOutline);
    this.attachmentsView.classList.toggle("hidden", !isAttachments);
    this.layersView.classList.toggle("hidden", !isLayers);

    this._outlineOptionsContainer.classList.toggle("hidden", !isOutline);

    if (forceOpen && !this.isOpen) {
      this.open();
      return;
    }

    if (shouldForceRendering) {
      this.#updateThumbnailViewer();
      this.#forceRendering();
    }

    if (isViewChanged) {
      this.#dispatchEvent();
    }
  }

  open() {
    if (this.isOpen) {
      return;
    }

    this.isOpen = true;
    this.toggleButton.classList.add("toggled");
    this.toggleButton.setAttribute("aria-expanded", "true");
    this.outerContainer.classList.add("sidebarMoving", "sidebarOpen");

    if (this.active === _ui_utils.SidebarView.THUMBS) {
      this.#updateThumbnailViewer();
    }

    this.#forceRendering();
    this.#dispatchEvent();
    this.#hideUINotification();
  }

  close() {
    if (!this.isOpen) {
      return;
    }

    this.isOpen = false;
    this.toggleButton.classList.remove("toggled");
    this.toggleButton.setAttribute("aria-expanded", "false");
    this.outerContainer.classList.add("sidebarMoving");
    this.outerContainer.classList.remove("sidebarOpen");
    this.#forceRendering();
    this.#dispatchEvent();
  }

  toggle() {
    if (this.isOpen) {
      this.close();
    } else {
      this.open();
    }
  }

  #dispatchEvent() {
    if (this.isInitialViewSet && !this.isInitialEventDispatched) {
      this.isInitialEventDispatched = true;
    }

    this.eventBus.dispatch("sidebarviewchanged", {
      source: this,
      view: this.visibleView
    });
  }

  #forceRendering() {
    if (this.onToggled) {
      this.onToggled();
    } else {
      this.pdfViewer.forceRendering();
      this.pdfThumbnailViewer.forceRendering();
    }
  }

  #updateThumbnailViewer() {
    const {
      pdfViewer,
      pdfThumbnailViewer
    } = this;
    const pagesCount = pdfViewer.pagesCount;

    for (let pageIndex = 0; pageIndex < pagesCount; pageIndex++) {
      const pageView = pdfViewer.getPageView(pageIndex);

      if (pageView?.renderingState === _ui_utils.RenderingStates.FINISHED) {
        const thumbnailView = pdfThumbnailViewer.getThumbnail(pageIndex);
        thumbnailView.setImage(pageView);
      }
    }

    pdfThumbnailViewer.scrollThumbnailIntoView(pdfViewer.currentPageNumber);
  }

  #showUINotification() {
    this.l10n.get("toggle_sidebar_notification2.title").then(msg => {
      this.toggleButton.title = msg;
    });

    if (!this.isOpen) {
      this.toggleButton.classList.add(UI_NOTIFICATION_CLASS);
    }
  }

  #hideUINotification(reset = false) {
    if (this.isOpen || reset) {
      this.toggleButton.classList.remove(UI_NOTIFICATION_CLASS);
    }

    if (reset) {
      this.l10n.get("toggle_sidebar.title").then(msg => {
        this.toggleButton.title = msg;
      });
    }
  }

  #addEventListeners() {
    this.sidebarContainer.addEventListener("transitionend", evt => {
      if (evt.target === this.sidebarContainer) {
        this.outerContainer.classList.remove("sidebarMoving");
      }
    });
    this.toggleButton.addEventListener("click", () => {
      this.toggle();
    });
    this.thumbnailButton.addEventListener("click", () => {
      this.switchView(_ui_utils.SidebarView.THUMBS);
    });
    this.outlineButton.addEventListener("click", () => {
      this.switchView(_ui_utils.SidebarView.OUTLINE);
    });
    this.outlineButton.addEventListener("dblclick", () => {
      this.eventBus.dispatch("toggleoutlinetree", {
        source: this
      });
    });
    this.attachmentsButton.addEventListener("click", () => {
      this.switchView(_ui_utils.SidebarView.ATTACHMENTS);
    });
    this.layersButton.addEventListener("click", () => {
      this.switchView(_ui_utils.SidebarView.LAYERS);
    });
    this.layersButton.addEventListener("dblclick", () => {
      this.eventBus.dispatch("resetlayers", {
        source: this
      });
    });

    this._currentOutlineItemButton.addEventListener("click", () => {
      this.eventBus.dispatch("currentoutlineitem", {
        source: this
      });
    });

    const onTreeLoaded = (count, button, view) => {
      button.disabled = !count;

      if (count) {
        this.#showUINotification();
      } else if (this.active === view) {
        this.switchView(_ui_utils.SidebarView.THUMBS);
      }
    };

    this.eventBus._on("outlineloaded", evt => {
      onTreeLoaded(evt.outlineCount, this.outlineButton, _ui_utils.SidebarView.OUTLINE);
      evt.currentOutlineItemPromise.then(enabled => {
        if (!this.isInitialViewSet) {
          return;
        }

        this._currentOutlineItemButton.disabled = !enabled;
      });
    });

    this.eventBus._on("attachmentsloaded", evt => {
      onTreeLoaded(evt.attachmentsCount, this.attachmentsButton, _ui_utils.SidebarView.ATTACHMENTS);
    });

    this.eventBus._on("layersloaded", evt => {
      onTreeLoaded(evt.layersCount, this.layersButton, _ui_utils.SidebarView.LAYERS);
    });

    this.eventBus._on("presentationmodechanged", evt => {
      if (evt.state === _ui_utils.PresentationModeState.NORMAL && this.visibleView === _ui_utils.SidebarView.THUMBS) {
        this.#updateThumbnailViewer();
      }
    });
  }

}

exports.PDFSidebar = PDFSidebar;

/***/ }),
/* 25 */
/***/ ((__unused_webpack_module, exports, __webpack_require__) => {



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

var _ui_utils = __webpack_require__(1);

const SIDEBAR_WIDTH_VAR = "--sidebar-width";
const SIDEBAR_MIN_WIDTH = 200;
const SIDEBAR_RESIZING_CLASS = "sidebarResizing";

class PDFSidebarResizer {
  constructor(options, eventBus, l10n) {
    this.isRTL = false;
    this.sidebarOpen = false;
    this._width = null;
    this._outerContainerWidth = null;
    this._boundEvents = Object.create(null);
    this.outerContainer = options.outerContainer;
    this.resizer = options.resizer;
    this.eventBus = eventBus;
    l10n.getDirection().then(dir => {
      this.isRTL = dir === "rtl";
    });

    this._addEventListeners();
  }

  get outerContainerWidth() {
    return this._outerContainerWidth ||= this.outerContainer.clientWidth;
  }

  _updateWidth(width = 0) {
    const maxWidth = Math.floor(this.outerContainerWidth / 2);

    if (width > maxWidth) {
      width = maxWidth;
    }

    if (width < SIDEBAR_MIN_WIDTH) {
      width = SIDEBAR_MIN_WIDTH;
    }

    if (width === this._width) {
      return false;
    }

    this._width = width;

    _ui_utils.docStyle.setProperty(SIDEBAR_WIDTH_VAR, `${width}px`);

    return true;
  }

  _mouseMove(evt) {
    let width = evt.clientX;

    if (this.isRTL) {
      width = this.outerContainerWidth - width;
    }

    this._updateWidth(width);
  }

  _mouseUp(evt) {
    this.outerContainer.classList.remove(SIDEBAR_RESIZING_CLASS);
    this.eventBus.dispatch("resize", {
      source: this
    });
    const _boundEvents = this._boundEvents;
    window.removeEventListener("mousemove", _boundEvents.mouseMove);
    window.removeEventListener("mouseup", _boundEvents.mouseUp);
  }

  _addEventListeners() {
    const _boundEvents = this._boundEvents;
    _boundEvents.mouseMove = this._mouseMove.bind(this);
    _boundEvents.mouseUp = this._mouseUp.bind(this);
    this.resizer.addEventListener("mousedown", evt => {
      if (evt.button !== 0) {
        return;
      }

      this.outerContainer.classList.add(SIDEBAR_RESIZING_CLASS);
      window.addEventListener("mousemove", _boundEvents.mouseMove);
      window.addEventListener("mouseup", _boundEvents.mouseUp);
    });

    this.eventBus._on("sidebarviewchanged", evt => {
      this.sidebarOpen = !!evt?.view;
    });

    this.eventBus._on("resize", evt => {
      if (evt?.source !== window) {
        return;
      }

      this._outerContainerWidth = null;

      if (!this._width) {
        return;
      }

      if (!this.sidebarOpen) {
        this._updateWidth(this._width);

        return;
      }

      this.outerContainer.classList.add(SIDEBAR_RESIZING_CLASS);

      const updated = this._updateWidth(this._width);

      Promise.resolve().then(() => {
        this.outerContainer.classList.remove(SIDEBAR_RESIZING_CLASS);

        if (updated) {
          this.eventBus.dispatch("resize", {
            source: this
          });
        }
      });
    });
  }

}

exports.PDFSidebarResizer = PDFSidebarResizer;

/***/ }),
/* 26 */
/***/ ((__unused_webpack_module, exports, __webpack_require__) => {



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

var _ui_utils = __webpack_require__(1);

var _pdf_thumbnail_view = __webpack_require__(27);

const THUMBNAIL_SCROLL_MARGIN = -19;
const THUMBNAIL_SELECTED_CLASS = "selected";

class PDFThumbnailViewer {
  constructor({
    container,
    eventBus,
    linkService,
    renderingQueue,
    l10n,
    pageColors
  }) {
    this.container = container;
    this.linkService = linkService;
    this.renderingQueue = renderingQueue;
    this.l10n = l10n;
    this.pageColors = pageColors || null;

    if (this.pageColors && !(CSS.supports("color", this.pageColors.background) && CSS.supports("color", this.pageColors.foreground))) {
      if (this.pageColors.background || this.pageColors.foreground) {
        console.warn("PDFThumbnailViewer: Ignoring `pageColors`-option, since the browser doesn't support the values used.");
      }

      this.pageColors = null;
    }

    this.scroll = (0, _ui_utils.watchScroll)(this.container, this._scrollUpdated.bind(this));

    this._resetView();
  }

  _scrollUpdated() {
    this.renderingQueue.renderHighestPriority();
  }

  getThumbnail(index) {
    return this._thumbnails[index];
  }

  _getVisibleThumbs() {
    return (0, _ui_utils.getVisibleElements)({
      scrollEl: this.container,
      views: this._thumbnails
    });
  }

  scrollThumbnailIntoView(pageNumber) {
    if (!this.pdfDocument) {
      return;
    }

    const thumbnailView = this._thumbnails[pageNumber - 1];

    if (!thumbnailView) {
      console.error('scrollThumbnailIntoView: Invalid "pageNumber" parameter.');
      return;
    }

    if (pageNumber !== this._currentPageNumber) {
      const prevThumbnailView = this._thumbnails[this._currentPageNumber - 1];
      prevThumbnailView.div.classList.remove(THUMBNAIL_SELECTED_CLASS);
      thumbnailView.div.classList.add(THUMBNAIL_SELECTED_CLASS);
    }

    const {
      first,
      last,
      views
    } = this._getVisibleThumbs();

    if (views.length > 0) {
      let shouldScroll = false;

      if (pageNumber <= first.id || pageNumber >= last.id) {
        shouldScroll = true;
      } else {
        for (const {
          id,
          percent
        } of views) {
          if (id !== pageNumber) {
            continue;
          }

          shouldScroll = percent < 100;
          break;
        }
      }

      if (shouldScroll) {
        (0, _ui_utils.scrollIntoView)(thumbnailView.div, {
          top: THUMBNAIL_SCROLL_MARGIN
        });
      }
    }

    this._currentPageNumber = pageNumber;
  }

  get pagesRotation() {
    return this._pagesRotation;
  }

  set pagesRotation(rotation) {
    if (!(0, _ui_utils.isValidRotation)(rotation)) {
      throw new Error("Invalid thumbnails rotation angle.");
    }

    if (!this.pdfDocument) {
      return;
    }

    if (this._pagesRotation === rotation) {
      return;
    }

    this._pagesRotation = rotation;
    const updateArgs = {
      rotation
    };

    for (const thumbnail of this._thumbnails) {
      thumbnail.update(updateArgs);
    }
  }

  cleanup() {
    for (const thumbnail of this._thumbnails) {
      if (thumbnail.renderingState !== _ui_utils.RenderingStates.FINISHED) {
        thumbnail.reset();
      }
    }

    _pdf_thumbnail_view.TempImageFactory.destroyCanvas();
  }

  _resetView() {
    this._thumbnails = [];
    this._currentPageNumber = 1;
    this._pageLabels = null;
    this._pagesRotation = 0;
    this.container.textContent = "";
  }

  setDocument(pdfDocument) {
    if (this.pdfDocument) {
      this._cancelRendering();

      this._resetView();
    }

    this.pdfDocument = pdfDocument;

    if (!pdfDocument) {
      return;
    }

    const firstPagePromise = pdfDocument.getPage(1);
    const optionalContentConfigPromise = pdfDocument.getOptionalContentConfig();
    firstPagePromise.then(firstPdfPage => {
      const pagesCount = pdfDocument.numPages;
      const viewport = firstPdfPage.getViewport({
        scale: 1
      });

      for (let pageNum = 1; pageNum <= pagesCount; ++pageNum) {
        const thumbnail = new _pdf_thumbnail_view.PDFThumbnailView({
          container: this.container,
          id: pageNum,
          defaultViewport: viewport.clone(),
          optionalContentConfigPromise,
          linkService: this.linkService,
          renderingQueue: this.renderingQueue,
          l10n: this.l10n,
          pageColors: this.pageColors
        });

        this._thumbnails.push(thumbnail);
      }

      const firstThumbnailView = this._thumbnails[0];

      if (firstThumbnailView) {
        firstThumbnailView.setPdfPage(firstPdfPage);
      }

      const thumbnailView = this._thumbnails[this._currentPageNumber - 1];
      thumbnailView.div.classList.add(THUMBNAIL_SELECTED_CLASS);
    }).catch(reason => {
      console.error("Unable to initialize thumbnail viewer", reason);
    });
  }

  _cancelRendering() {
    for (const thumbnail of this._thumbnails) {
      thumbnail.cancelRendering();
    }
  }

  setPageLabels(labels) {
    if (!this.pdfDocument) {
      return;
    }

    if (!labels) {
      this._pageLabels = null;
    } else if (!(Array.isArray(labels) && this.pdfDocument.numPages === labels.length)) {
      this._pageLabels = null;
      console.error("PDFThumbnailViewer_setPageLabels: Invalid page labels.");
    } else {
      this._pageLabels = labels;
    }

    for (let i = 0, ii = this._thumbnails.length; i < ii; i++) {
      this._thumbnails[i].setPageLabel(this._pageLabels?.[i] ?? null);
    }
  }

  async #ensurePdfPageLoaded(thumbView) {
    if (thumbView.pdfPage) {
      return thumbView.pdfPage;
    }

    try {
      const pdfPage = await this.pdfDocument.getPage(thumbView.id);

      if (!thumbView.pdfPage) {
        thumbView.setPdfPage(pdfPage);
      }

      return pdfPage;
    } catch (reason) {
      console.error("Unable to get page for thumb view", reason);
      return null;
    }
  }

  #getScrollAhead(visible) {
    if (visible.first?.id === 1) {
      return true;
    } else if (visible.last?.id === this._thumbnails.length) {
      return false;
    }

    return this.scroll.down;
  }

  forceRendering() {
    const visibleThumbs = this._getVisibleThumbs();

    const scrollAhead = this.#getScrollAhead(visibleThumbs);
    const thumbView = this.renderingQueue.getHighestPriority(visibleThumbs, this._thumbnails, scrollAhead);

    if (thumbView) {
      this.#ensurePdfPageLoaded(thumbView).then(() => {
        this.renderingQueue.renderView(thumbView);
      });
      return true;
    }

    return false;
  }

}

exports.PDFThumbnailViewer = PDFThumbnailViewer;

/***/ }),
/* 27 */
/***/ ((__unused_webpack_module, exports, __webpack_require__) => {



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

var _ui_utils = __webpack_require__(1);

var _pdfjsLib = __webpack_require__(5);

const DRAW_UPSCALE_FACTOR = 2;
const MAX_NUM_SCALING_STEPS = 3;
const THUMBNAIL_CANVAS_BORDER_WIDTH = 1;
const THUMBNAIL_WIDTH = 98;

class TempImageFactory {
  static #tempCanvas = null;

  static getCanvas(width, height) {
    const tempCanvas = this.#tempCanvas ||= document.createElement("canvas");
    tempCanvas.width = width;
    tempCanvas.height = height;
    const ctx = tempCanvas.getContext("2d", {
      alpha: false
    });
    ctx.save();
    ctx.fillStyle = "rgb(255, 255, 255)";
    ctx.fillRect(0, 0, width, height);
    ctx.restore();
    return [tempCanvas, tempCanvas.getContext("2d")];
  }

  static destroyCanvas() {
    const tempCanvas = this.#tempCanvas;

    if (tempCanvas) {
      tempCanvas.width = 0;
      tempCanvas.height = 0;
    }

    this.#tempCanvas = null;
  }

}

exports.TempImageFactory = TempImageFactory;

class PDFThumbnailView {
  constructor({
    container,
    id,
    defaultViewport,
    optionalContentConfigPromise,
    linkService,
    renderingQueue,
    l10n,
    pageColors
  }) {
    this.id = id;
    this.renderingId = "thumbnail" + id;
    this.pageLabel = null;
    this.pdfPage = null;
    this.rotation = 0;
    this.viewport = defaultViewport;
    this.pdfPageRotate = defaultViewport.rotation;
    this._optionalContentConfigPromise = optionalContentConfigPromise || null;
    this.pageColors = pageColors || null;
    this.linkService = linkService;
    this.renderingQueue = renderingQueue;
    this.renderTask = null;
    this.renderingState = _ui_utils.RenderingStates.INITIAL;
    this.resume = null;
    const pageWidth = this.viewport.width,
          pageHeight = this.viewport.height,
          pageRatio = pageWidth / pageHeight;
    this.canvasWidth = THUMBNAIL_WIDTH;
    this.canvasHeight = this.canvasWidth / pageRatio | 0;
    this.scale = this.canvasWidth / pageWidth;
    this.l10n = l10n;
    const anchor = document.createElement("a");
    anchor.href = linkService.getAnchorUrl("#page=" + id);

    this._thumbPageTitle.then(msg => {
      anchor.title = msg;
    });

    anchor.onclick = function () {
      linkService.goToPage(id);
      return false;
    };

    this.anchor = anchor;
    const div = document.createElement("div");
    div.className = "thumbnail";
    div.setAttribute("data-page-number", this.id);
    this.div = div;
    const ring = document.createElement("div");
    ring.className = "thumbnailSelectionRing";
    const borderAdjustment = 2 * THUMBNAIL_CANVAS_BORDER_WIDTH;
    ring.style.width = this.canvasWidth + borderAdjustment + "px";
    ring.style.height = this.canvasHeight + borderAdjustment + "px";
    this.ring = ring;
    div.append(ring);
    anchor.append(div);
    container.append(anchor);
  }

  setPdfPage(pdfPage) {
    this.pdfPage = pdfPage;
    this.pdfPageRotate = pdfPage.rotate;
    const totalRotation = (this.rotation + this.pdfPageRotate) % 360;
    this.viewport = pdfPage.getViewport({
      scale: 1,
      rotation: totalRotation
    });
    this.reset();
  }

  reset() {
    this.cancelRendering();
    this.renderingState = _ui_utils.RenderingStates.INITIAL;
    const pageWidth = this.viewport.width,
          pageHeight = this.viewport.height,
          pageRatio = pageWidth / pageHeight;
    this.canvasHeight = this.canvasWidth / pageRatio | 0;
    this.scale = this.canvasWidth / pageWidth;
    this.div.removeAttribute("data-loaded");
    const ring = this.ring;
    ring.textContent = "";
    const borderAdjustment = 2 * THUMBNAIL_CANVAS_BORDER_WIDTH;
    ring.style.width = this.canvasWidth + borderAdjustment + "px";
    ring.style.height = this.canvasHeight + borderAdjustment + "px";

    if (this.canvas) {
      this.canvas.width = 0;
      this.canvas.height = 0;
      delete this.canvas;
    }

    if (this.image) {
      this.image.removeAttribute("src");
      delete this.image;
    }
  }

  update({
    rotation = null
  }) {
    if (typeof rotation === "number") {
      this.rotation = rotation;
    }

    const totalRotation = (this.rotation + this.pdfPageRotate) % 360;
    this.viewport = this.viewport.clone({
      scale: 1,
      rotation: totalRotation
    });
    this.reset();
  }

  cancelRendering() {
    if (this.renderTask) {
      this.renderTask.cancel();
      this.renderTask = null;
    }

    this.resume = null;
  }

  _getPageDrawContext(upscaleFactor = 1) {
    const canvas = document.createElement("canvas");
    const ctx = canvas.getContext("2d", {
      alpha: false
    });
    const outputScale = new _ui_utils.OutputScale();
    canvas.width = upscaleFactor * this.canvasWidth * outputScale.sx | 0;
    canvas.height = upscaleFactor * this.canvasHeight * outputScale.sy | 0;
    const transform = outputScale.scaled ? [outputScale.sx, 0, 0, outputScale.sy, 0, 0] : null;
    return {
      ctx,
      canvas,
      transform
    };
  }

  _convertCanvasToImage(canvas) {
    if (this.renderingState !== _ui_utils.RenderingStates.FINISHED) {
      throw new Error("_convertCanvasToImage: Rendering has not finished.");
    }

    const reducedCanvas = this._reduceImage(canvas);

    const image = document.createElement("img");
    image.className = "thumbnailImage";

    this._thumbPageCanvas.then(msg => {
      image.setAttribute("aria-label", msg);
    });

    image.style.width = this.canvasWidth + "px";
    image.style.height = this.canvasHeight + "px";
    image.src = reducedCanvas.toDataURL();
    this.image = image;
    this.div.setAttribute("data-loaded", true);
    this.ring.append(image);
    reducedCanvas.width = 0;
    reducedCanvas.height = 0;
  }

  draw() {
    if (this.renderingState !== _ui_utils.RenderingStates.INITIAL) {
      console.error("Must be in new state before drawing");
      return Promise.resolve();
    }

    const {
      pdfPage
    } = this;

    if (!pdfPage) {
      this.renderingState = _ui_utils.RenderingStates.FINISHED;
      return Promise.reject(new Error("pdfPage is not loaded"));
    }

    this.renderingState = _ui_utils.RenderingStates.RUNNING;

    const finishRenderTask = async (error = null) => {
      if (renderTask === this.renderTask) {
        this.renderTask = null;
      }

      if (error instanceof _pdfjsLib.RenderingCancelledException) {
        return;
      }

      this.renderingState = _ui_utils.RenderingStates.FINISHED;

      this._convertCanvasToImage(canvas);

      if (error) {
        throw error;
      }
    };

    const {
      ctx,
      canvas,
      transform
    } = this._getPageDrawContext(DRAW_UPSCALE_FACTOR);

    const drawViewport = this.viewport.clone({
      scale: DRAW_UPSCALE_FACTOR * this.scale
    });

    const renderContinueCallback = cont => {
      if (!this.renderingQueue.isHighestPriority(this)) {
        this.renderingState = _ui_utils.RenderingStates.PAUSED;

        this.resume = () => {
          this.renderingState = _ui_utils.RenderingStates.RUNNING;
          cont();
        };

        return;
      }

      cont();
    };

    const renderContext = {
      canvasContext: ctx,
      transform,
      viewport: drawViewport,
      optionalContentConfigPromise: this._optionalContentConfigPromise,
      pageColors: this.pageColors
    };
    const renderTask = this.renderTask = pdfPage.render(renderContext);
    renderTask.onContinue = renderContinueCallback;
    const resultPromise = renderTask.promise.then(function () {
      return finishRenderTask(null);
    }, function (error) {
      return finishRenderTask(error);
    });
    resultPromise.finally(() => {
      canvas.width = 0;
      canvas.height = 0;
      const pageCached = this.linkService.isPageCached(this.id);

      if (!pageCached) {
        this.pdfPage?.cleanup();
      }
    });
    return resultPromise;
  }

  setImage(pageView) {
    if (this.renderingState !== _ui_utils.RenderingStates.INITIAL) {
      return;
    }

    const {
      thumbnailCanvas: canvas,
      pdfPage,
      scale
    } = pageView;

    if (!canvas) {
      return;
    }

    if (!this.pdfPage) {
      this.setPdfPage(pdfPage);
    }

    if (scale < this.scale) {
      return;
    }

    this.renderingState = _ui_utils.RenderingStates.FINISHED;

    this._convertCanvasToImage(canvas);
  }

  _reduceImage(img) {
    const {
      ctx,
      canvas
    } = this._getPageDrawContext();

    if (img.width <= 2 * canvas.width) {
      ctx.drawImage(img, 0, 0, img.width, img.height, 0, 0, canvas.width, canvas.height);
      return canvas;
    }

    let reducedWidth = canvas.width << MAX_NUM_SCALING_STEPS;
    let reducedHeight = canvas.height << MAX_NUM_SCALING_STEPS;
    const [reducedImage, reducedImageCtx] = TempImageFactory.getCanvas(reducedWidth, reducedHeight);

    while (reducedWidth > img.width || reducedHeight > img.height) {
      reducedWidth >>= 1;
      reducedHeight >>= 1;
    }

    reducedImageCtx.drawImage(img, 0, 0, img.width, img.height, 0, 0, reducedWidth, reducedHeight);

    while (reducedWidth > 2 * canvas.width) {
      reducedImageCtx.drawImage(reducedImage, 0, 0, reducedWidth, reducedHeight, 0, 0, reducedWidth >> 1, reducedHeight >> 1);
      reducedWidth >>= 1;
      reducedHeight >>= 1;
    }

    ctx.drawImage(reducedImage, 0, 0, reducedWidth, reducedHeight, 0, 0, canvas.width, canvas.height);
    return canvas;
  }

  get _thumbPageTitle() {
    return this.l10n.get("thumb_page_title", {
      page: this.pageLabel ?? this.id
    });
  }

  get _thumbPageCanvas() {
    return this.l10n.get("thumb_page_canvas", {
      page: this.pageLabel ?? this.id
    });
  }

  setPageLabel(label) {
    this.pageLabel = typeof label === "string" ? label : null;

    this._thumbPageTitle.then(msg => {
      this.anchor.title = msg;
    });

    if (this.renderingState !== _ui_utils.RenderingStates.FINISHED) {
      return;
    }

    this._thumbPageCanvas.then(msg => {
      this.image?.setAttribute("aria-label", msg);
    });
  }

}

exports.PDFThumbnailView = PDFThumbnailView;

/***/ }),
/* 28 */
/***/ ((__unused_webpack_module, exports, __webpack_require__) => {



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

var _ui_utils = __webpack_require__(1);

var _base_viewer = __webpack_require__(29);

class PDFViewer extends _base_viewer.BaseViewer {}

exports.PDFViewer = PDFViewer;

class PDFSinglePageViewer extends _base_viewer.BaseViewer {
  _resetView() {
    super._resetView();

    this._scrollMode = _ui_utils.ScrollMode.PAGE;
    this._spreadMode = _ui_utils.SpreadMode.NONE;
  }

  set scrollMode(mode) {}

  _updateScrollMode() {}

  set spreadMode(mode) {}

  _updateSpreadMode() {}

}

exports.PDFSinglePageViewer = PDFSinglePageViewer;

/***/ }),
/* 29 */
/***/ ((__unused_webpack_module, exports, __webpack_require__) => {



Object.defineProperty(exports, "__esModule", ({
  value: true
}));
exports.PagesCountLimit = exports.PDFPageViewBuffer = exports.BaseViewer = void 0;

var _pdfjsLib = __webpack_require__(5);

var _ui_utils = __webpack_require__(1);

var _annotation_editor_layer_builder = __webpack_require__(30);

var _annotation_layer_builder = __webpack_require__(32);

var _l10n_utils = __webpack_require__(31);

var _pdf_page_view = __webpack_require__(33);

var _pdf_rendering_queue = __webpack_require__(22);

var _pdf_link_service = __webpack_require__(3);

var _struct_tree_layer_builder = __webpack_require__(35);

var _text_highlighter = __webpack_require__(36);

var _text_layer_builder = __webpack_require__(37);

var _xfa_layer_builder = __webpack_require__(38);

const DEFAULT_CACHE_SIZE = 10;
const ENABLE_PERMISSIONS_CLASS = "enablePermissions";
const PagesCountLimit = {
  FORCE_SCROLL_MODE_PAGE: 15000,
  FORCE_LAZY_PAGE_INIT: 7500,
  PAUSE_EAGER_PAGE_INIT: 250
};
exports.PagesCountLimit = PagesCountLimit;

function isValidAnnotationEditorMode(mode) {
  return Object.values(_pdfjsLib.AnnotationEditorType).includes(mode) && mode !== _pdfjsLib.AnnotationEditorType.DISABLE;
}

class PDFPageViewBuffer {
  #buf = new Set();
  #size = 0;

  constructor(size) {
    this.#size = size;
  }

  push(view) {
    const buf = this.#buf;

    if (buf.has(view)) {
      buf.delete(view);
    }

    buf.add(view);

    if (buf.size > this.#size) {
      this.#destroyFirstView();
    }
  }

  resize(newSize, idsToKeep = null) {
    this.#size = newSize;
    const buf = this.#buf;

    if (idsToKeep) {
      const ii = buf.size;
      let i = 1;

      for (const view of buf) {
        if (idsToKeep.has(view.id)) {
          buf.delete(view);
          buf.add(view);
        }

        if (++i > ii) {
          break;
        }
      }
    }

    while (buf.size > this.#size) {
      this.#destroyFirstView();
    }
  }

  has(view) {
    return this.#buf.has(view);
  }

  [Symbol.iterator]() {
    return this.#buf.keys();
  }

  #destroyFirstView() {
    const firstView = this.#buf.keys().next().value;
    firstView?.destroy();
    this.#buf.delete(firstView);
  }

}

exports.PDFPageViewBuffer = PDFPageViewBuffer;

class BaseViewer {
  #buffer = null;
  #annotationEditorMode = _pdfjsLib.AnnotationEditorType.DISABLE;
  #annotationEditorUIManager = null;
  #annotationMode = _pdfjsLib.AnnotationMode.ENABLE_FORMS;
  #enablePermissions = false;
  #previousContainerHeight = 0;
  #scrollModePageState = null;
  #onVisibilityChange = null;

  constructor(options) {
    if (this.constructor === BaseViewer) {
      throw new Error("Cannot initialize BaseViewer.");
    }

    const viewerVersion = '2.16.105';

    if (_pdfjsLib.version !== viewerVersion) {
      throw new Error(`The API version "${_pdfjsLib.version}" does not match the Viewer version "${viewerVersion}".`);
    }

    this.container = options.container;
    this.viewer = options.viewer || options.container.firstElementChild;

    if (!(this.container?.tagName.toUpperCase() === "DIV" && this.viewer?.tagName.toUpperCase() === "DIV")) {
      throw new Error("Invalid `container` and/or `viewer` option.");
    }

    if (this.container.offsetParent && getComputedStyle(this.container).position !== "absolute") {
      throw new Error("The `container` must be absolutely positioned.");
    }

    this.eventBus = options.eventBus;
    this.linkService = options.linkService || new _pdf_link_service.SimpleLinkService();
    this.downloadManager = options.downloadManager || null;
    this.findController = options.findController || null;
    this._scriptingManager = options.scriptingManager || null;
    this.removePageBorders = options.removePageBorders || false;
    this.textLayerMode = options.textLayerMode ?? _ui_utils.TextLayerMode.ENABLE;
    this.#annotationMode = options.annotationMode ?? _pdfjsLib.AnnotationMode.ENABLE_FORMS;
    this.#annotationEditorMode = options.annotationEditorMode ?? _pdfjsLib.AnnotationEditorType.DISABLE;
    this.imageResourcesPath = options.imageResourcesPath || "";
    this.enablePrintAutoRotate = options.enablePrintAutoRotate || false;
    this.renderer = options.renderer || _ui_utils.RendererType.CANVAS;
    this.useOnlyCssZoom = options.useOnlyCssZoom || false;
    this.maxCanvasPixels = options.maxCanvasPixels;
    this.l10n = options.l10n || _l10n_utils.NullL10n;
    this.#enablePermissions = options.enablePermissions || false;
    this.pageColors = options.pageColors || null;

    if (this.pageColors && !(CSS.supports("color", this.pageColors.background) && CSS.supports("color", this.pageColors.foreground))) {
      if (this.pageColors.background || this.pageColors.foreground) {
        console.warn("BaseViewer: Ignoring `pageColors`-option, since the browser doesn't support the values used.");
      }

      this.pageColors = null;
    }

    this.defaultRenderingQueue = !options.renderingQueue;

    if (this.defaultRenderingQueue) {
      this.renderingQueue = new _pdf_rendering_queue.PDFRenderingQueue();
      this.renderingQueue.setViewer(this);
    } else {
      this.renderingQueue = options.renderingQueue;
    }

    this.scroll = (0, _ui_utils.watchScroll)(this.container, this._scrollUpdate.bind(this));
    this.presentationModeState = _ui_utils.PresentationModeState.UNKNOWN;
    this._onBeforeDraw = this._onAfterDraw = null;

    this._resetView();

    if (this.removePageBorders) {
      this.viewer.classList.add("removePageBorders");
    }

    this.updateContainerHeightCss();
  }

  get pagesCount() {
    return this._pages.length;
  }

  getPageView(index) {
    return this._pages[index];
  }

  get pageViewsReady() {
    if (!this._pagesCapability.settled) {
      return false;
    }

    return this._pages.every(function (pageView) {
      return pageView?.pdfPage;
    });
  }

  get renderForms() {
    return this.#annotationMode === _pdfjsLib.AnnotationMode.ENABLE_FORMS;
  }

  get enableScripting() {
    return !!this._scriptingManager;
  }

  get currentPageNumber() {
    return this._currentPageNumber;
  }

  set currentPageNumber(val) {
    if (!Number.isInteger(val)) {
      throw new Error("Invalid page number.");
    }

    if (!this.pdfDocument) {
      return;
    }

    if (!this._setCurrentPageNumber(val, true)) {
      console.error(`currentPageNumber: "${val}" is not a valid page.`);
    }
  }

  _setCurrentPageNumber(val, resetCurrentPageView = false) {
    if (this._currentPageNumber === val) {
      if (resetCurrentPageView) {
        this.#resetCurrentPageView();
      }

      return true;
    }

    if (!(0 < val && val <= this.pagesCount)) {
      return false;
    }

    const previous = this._currentPageNumber;
    this._currentPageNumber = val;
    this.eventBus.dispatch("pagechanging", {
      source: this,
      pageNumber: val,
      pageLabel: this._pageLabels?.[val - 1] ?? null,
      previous
    });

    if (resetCurrentPageView) {
      this.#resetCurrentPageView();
    }

    return true;
  }

  get currentPageLabel() {
    return this._pageLabels?.[this._currentPageNumber - 1] ?? null;
  }

  set currentPageLabel(val) {
    if (!this.pdfDocument) {
      return;
    }

    let page = val | 0;

    if (this._pageLabels) {
      const i = this._pageLabels.indexOf(val);

      if (i >= 0) {
        page = i + 1;
      }
    }

    if (!this._setCurrentPageNumber(page, true)) {
      console.error(`currentPageLabel: "${val}" is not a valid page.`);
    }
  }

  get currentScale() {
    return this._currentScale !== _ui_utils.UNKNOWN_SCALE ? this._currentScale : _ui_utils.DEFAULT_SCALE;
  }

  set currentScale(val) {
    if (isNaN(val)) {
      throw new Error("Invalid numeric scale.");
    }

    if (!this.pdfDocument) {
      return;
    }

    this._setScale(val, false);
  }

  get currentScaleValue() {
    return this._currentScaleValue;
  }

  set currentScaleValue(val) {
    if (!this.pdfDocument) {
      return;
    }

    this._setScale(val, false);
  }

  get pagesRotation() {
    return this._pagesRotation;
  }

  set pagesRotation(rotation) {
    if (!(0, _ui_utils.isValidRotation)(rotation)) {
      throw new Error("Invalid pages rotation angle.");
    }

    if (!this.pdfDocument) {
      return;
    }

    rotation %= 360;

    if (rotation < 0) {
      rotation += 360;
    }

    if (this._pagesRotation === rotation) {
      return;
    }

    this._pagesRotation = rotation;
    const pageNumber = this._currentPageNumber;
    const updateArgs = {
      rotation
    };

    for (const pageView of this._pages) {
      pageView.update(updateArgs);
    }

    if (this._currentScaleValue) {
      this._setScale(this._currentScaleValue, true);
    }

    this.eventBus.dispatch("rotationchanging", {
      source: this,
      pagesRotation: rotation,
      pageNumber
    });

    if (this.defaultRenderingQueue) {
      this.update();
    }
  }

  get firstPagePromise() {
    return this.pdfDocument ? this._firstPageCapability.promise : null;
  }

  get onePageRendered() {
    return this.pdfDocument ? this._onePageRenderedCapability.promise : null;
  }

  get pagesPromise() {
    return this.pdfDocument ? this._pagesCapability.promise : null;
  }

  #initializePermissions(permissions) {
    const params = {
      annotationEditorMode: this.#annotationEditorMode,
      annotationMode: this.#annotationMode,
      textLayerMode: this.textLayerMode
    };

    if (!permissions) {
      return params;
    }

    if (!permissions.includes(_pdfjsLib.PermissionFlag.COPY)) {
      this.viewer.classList.add(ENABLE_PERMISSIONS_CLASS);
    }

    if (!permissions.includes(_pdfjsLib.PermissionFlag.MODIFY_CONTENTS)) {
      params.annotationEditorMode = _pdfjsLib.AnnotationEditorType.DISABLE;
    }

    if (!permissions.includes(_pdfjsLib.PermissionFlag.MODIFY_ANNOTATIONS) && !permissions.includes(_pdfjsLib.PermissionFlag.FILL_INTERACTIVE_FORMS) && this.#annotationMode === _pdfjsLib.AnnotationMode.ENABLE_FORMS) {
      params.annotationMode = _pdfjsLib.AnnotationMode.ENABLE;
    }

    return params;
  }

  #onePageRenderedOrForceFetch() {
    if (document.visibilityState === "hidden" || !this.container.offsetParent || this._getVisiblePages().views.length === 0) {
      return Promise.resolve();
    }

    const visibilityChangePromise = new Promise(resolve => {
      this.#onVisibilityChange = () => {
        if (document.visibilityState !== "hidden") {
          return;
        }

        resolve();
        document.removeEventListener("visibilitychange", this.#onVisibilityChange);
        this.#onVisibilityChange = null;
      };

      document.addEventListener("visibilitychange", this.#onVisibilityChange);
    });
    return Promise.race([this._onePageRenderedCapability.promise, visibilityChangePromise]);
  }

  setDocument(pdfDocument) {
    if (this.pdfDocument) {
      this.eventBus.dispatch("pagesdestroy", {
        source: this
      });

      this._cancelRendering();

      this._resetView();

      if (this.findController) {
        this.findController.setDocument(null);
      }

      if (this._scriptingManager) {
        this._scriptingManager.setDocument(null);
      }

      if (this.#annotationEditorUIManager) {
        this.#annotationEditorUIManager.destroy();
        this.#annotationEditorUIManager = null;
      }
    }

    this.pdfDocument = pdfDocument;

    if (!pdfDocument) {
      return;
    }

    const isPureXfa = pdfDocument.isPureXfa;
    const pagesCount = pdfDocument.numPages;
    const firstPagePromise = pdfDocument.getPage(1);
    const optionalContentConfigPromise = pdfDocument.getOptionalContentConfig();
    const permissionsPromise = this.#enablePermissions ? pdfDocument.getPermissions() : Promise.resolve();

    if (pagesCount > PagesCountLimit.FORCE_SCROLL_MODE_PAGE) {
      console.warn("Forcing PAGE-scrolling for performance reasons, given the length of the document.");
      const mode = this._scrollMode = _ui_utils.ScrollMode.PAGE;
      this.eventBus.dispatch("scrollmodechanged", {
        source: this,
        mode
      });
    }

    this._pagesCapability.promise.then(() => {
      this.eventBus.dispatch("pagesloaded", {
        source: this,
        pagesCount
      });
    }, () => {});

    this._onBeforeDraw = evt => {
      const pageView = this._pages[evt.pageNumber - 1];

      if (!pageView) {
        return;
      }

      this.#buffer.push(pageView);
    };

    this.eventBus._on("pagerender", this._onBeforeDraw);

    this._onAfterDraw = evt => {
      if (evt.cssTransform || this._onePageRenderedCapability.settled) {
        return;
      }

      this._onePageRenderedCapability.resolve({
        timestamp: evt.timestamp
      });

      this.eventBus._off("pagerendered", this._onAfterDraw);

      this._onAfterDraw = null;

      if (this.#onVisibilityChange) {
        document.removeEventListener("visibilitychange", this.#onVisibilityChange);
        this.#onVisibilityChange = null;
      }
    };

    this.eventBus._on("pagerendered", this._onAfterDraw);

    Promise.all([firstPagePromise, permissionsPromise]).then(([firstPdfPage, permissions]) => {
      if (pdfDocument !== this.pdfDocument) {
        return;
      }

      this._firstPageCapability.resolve(firstPdfPage);

      this._optionalContentConfigPromise = optionalContentConfigPromise;
      const {
        annotationEditorMode,
        annotationMode,
        textLayerMode
      } = this.#initializePermissions(permissions);

      if (annotationEditorMode !== _pdfjsLib.AnnotationEditorType.DISABLE) {
        const mode = annotationEditorMode;

        if (isPureXfa) {
          console.warn("Warning: XFA-editing is not implemented.");
        } else if (isValidAnnotationEditorMode(mode)) {
          this.#annotationEditorUIManager = new _pdfjsLib.AnnotationEditorUIManager(this.container, this.eventBus);

          if (mode !== _pdfjsLib.AnnotationEditorType.NONE) {
            this.#annotationEditorUIManager.updateMode(mode);
          }
        } else {
          console.error(`Invalid AnnotationEditor mode: ${mode}`);
        }
      }

      const viewerElement = this._scrollMode === _ui_utils.ScrollMode.PAGE ? null : this.viewer;
      const scale = this.currentScale;
      const viewport = firstPdfPage.getViewport({
        scale: scale * _pdfjsLib.PixelsPerInch.PDF_TO_CSS_UNITS
      });
      const textLayerFactory = textLayerMode !== _ui_utils.TextLayerMode.DISABLE && !isPureXfa ? this : null;
      const annotationLayerFactory = annotationMode !== _pdfjsLib.AnnotationMode.DISABLE ? this : null;
      const xfaLayerFactory = isPureXfa ? this : null;
      const annotationEditorLayerFactory = this.#annotationEditorUIManager ? this : null;

      for (let pageNum = 1; pageNum <= pagesCount; ++pageNum) {
        const pageView = new _pdf_page_view.PDFPageView({
          container: viewerElement,
          eventBus: this.eventBus,
          id: pageNum,
          scale,
          defaultViewport: viewport.clone(),
          optionalContentConfigPromise,
          renderingQueue: this.renderingQueue,
          textLayerFactory,
          textLayerMode,
          annotationLayerFactory,
          annotationMode,
          xfaLayerFactory,
          annotationEditorLayerFactory,
          textHighlighterFactory: this,
          structTreeLayerFactory: this,
          imageResourcesPath: this.imageResourcesPath,
          renderer: this.renderer,
          useOnlyCssZoom: this.useOnlyCssZoom,
          maxCanvasPixels: this.maxCanvasPixels,
          pageColors: this.pageColors,
          l10n: this.l10n
        });

        this._pages.push(pageView);
      }

      const firstPageView = this._pages[0];

      if (firstPageView) {
        firstPageView.setPdfPage(firstPdfPage);
        this.linkService.cachePageRef(1, firstPdfPage.ref);
      }

      if (this._scrollMode === _ui_utils.ScrollMode.PAGE) {
        this.#ensurePageViewVisible();
      } else if (this._spreadMode !== _ui_utils.SpreadMode.NONE) {
        this._updateSpreadMode();
      }

      this.#onePageRenderedOrForceFetch().then(async () => {
        if (this.findController) {
          this.findController.setDocument(pdfDocument);
        }

        if (this._scriptingManager) {
          this._scriptingManager.setDocument(pdfDocument);
        }

        if (this.#annotationEditorUIManager) {
          this.eventBus.dispatch("annotationeditormodechanged", {
            source: this,
            mode: this.#annotationEditorMode
          });
        }

        if (pdfDocument.loadingParams.disableAutoFetch || pagesCount > PagesCountLimit.FORCE_LAZY_PAGE_INIT) {
          this._pagesCapability.resolve();

          return;
        }

        let getPagesLeft = pagesCount - 1;

        if (getPagesLeft <= 0) {
          this._pagesCapability.resolve();

          return;
        }

        for (let pageNum = 2; pageNum <= pagesCount; ++pageNum) {
          const promise = pdfDocument.getPage(pageNum).then(pdfPage => {
            const pageView = this._pages[pageNum - 1];

            if (!pageView.pdfPage) {
              pageView.setPdfPage(pdfPage);
            }

            this.linkService.cachePageRef(pageNum, pdfPage.ref);

            if (--getPagesLeft === 0) {
              this._pagesCapability.resolve();
            }
          }, reason => {
            console.error(`Unable to get page ${pageNum} to initialize viewer`, reason);

            if (--getPagesLeft === 0) {
              this._pagesCapability.resolve();
            }
          });

          if (pageNum % PagesCountLimit.PAUSE_EAGER_PAGE_INIT === 0) {
            await promise;
          }
        }
      });
      this.eventBus.dispatch("pagesinit", {
        source: this
      });
      pdfDocument.getMetadata().then(({
        info
      }) => {
        if (pdfDocument !== this.pdfDocument) {
          return;
        }

        if (info.Language) {
          this.viewer.lang = info.Language;
        }
      });

      if (this.defaultRenderingQueue) {
        this.update();
      }
    }).catch(reason => {
      console.error("Unable to initialize viewer", reason);

      this._pagesCapability.reject(reason);
    });
  }

  setPageLabels(labels) {
    if (!this.pdfDocument) {
      return;
    }

    if (!labels) {
      this._pageLabels = null;
    } else if (!(Array.isArray(labels) && this.pdfDocument.numPages === labels.length)) {
      this._pageLabels = null;
      console.error(`setPageLabels: Invalid page labels.`);
    } else {
      this._pageLabels = labels;
    }

    for (let i = 0, ii = this._pages.length; i < ii; i++) {
      this._pages[i].setPageLabel(this._pageLabels?.[i] ?? null);
    }
  }

  _resetView() {
    this._pages = [];
    this._currentPageNumber = 1;
    this._currentScale = _ui_utils.UNKNOWN_SCALE;
    this._currentScaleValue = null;
    this._pageLabels = null;
    this.#buffer = new PDFPageViewBuffer(DEFAULT_CACHE_SIZE);
    this._location = null;
    this._pagesRotation = 0;
    this._optionalContentConfigPromise = null;
    this._firstPageCapability = (0, _pdfjsLib.createPromiseCapability)();
    this._onePageRenderedCapability = (0, _pdfjsLib.createPromiseCapability)();
    this._pagesCapability = (0, _pdfjsLib.createPromiseCapability)();
    this._scrollMode = _ui_utils.ScrollMode.VERTICAL;
    this._previousScrollMode = _ui_utils.ScrollMode.UNKNOWN;
    this._spreadMode = _ui_utils.SpreadMode.NONE;
    this.#scrollModePageState = {
      previousPageNumber: 1,
      scrollDown: true,
      pages: []
    };

    if (this._onBeforeDraw) {
      this.eventBus._off("pagerender", this._onBeforeDraw);

      this._onBeforeDraw = null;
    }

    if (this._onAfterDraw) {
      this.eventBus._off("pagerendered", this._onAfterDraw);

      this._onAfterDraw = null;
    }

    if (this.#onVisibilityChange) {
      document.removeEventListener("visibilitychange", this.#onVisibilityChange);
      this.#onVisibilityChange = null;
    }

    this.viewer.textContent = "";

    this._updateScrollMode();

    this.viewer.removeAttribute("lang");
    this.viewer.classList.remove(ENABLE_PERMISSIONS_CLASS);
  }

  #ensurePageViewVisible() {
    if (this._scrollMode !== _ui_utils.ScrollMode.PAGE) {
      throw new Error("#ensurePageViewVisible: Invalid scrollMode value.");
    }

    const pageNumber = this._currentPageNumber,
          state = this.#scrollModePageState,
          viewer = this.viewer;
    viewer.textContent = "";
    state.pages.length = 0;

    if (this._spreadMode === _ui_utils.SpreadMode.NONE && !this.isInPresentationMode) {
      const pageView = this._pages[pageNumber - 1];
      viewer.append(pageView.div);
      state.pages.push(pageView);
    } else {
      const pageIndexSet = new Set(),
            parity = this._spreadMode - 1;

      if (parity === -1) {
        pageIndexSet.add(pageNumber - 1);
      } else if (pageNumber % 2 !== parity) {
        pageIndexSet.add(pageNumber - 1);
        pageIndexSet.add(pageNumber);
      } else {
        pageIndexSet.add(pageNumber - 2);
        pageIndexSet.add(pageNumber - 1);
      }

      const spread = document.createElement("div");
      spread.className = "spread";

      if (this.isInPresentationMode) {
        const dummyPage = document.createElement("div");
        dummyPage.className = "dummyPage";
        spread.append(dummyPage);
      }

      for (const i of pageIndexSet) {
        const pageView = this._pages[i];

        if (!pageView) {
          continue;
        }

        spread.append(pageView.div);
        state.pages.push(pageView);
      }

      viewer.append(spread);
    }

    state.scrollDown = pageNumber >= state.previousPageNumber;
    state.previousPageNumber = pageNumber;
  }

  _scrollUpdate() {
    if (this.pagesCount === 0) {
      return;
    }

    this.update();
  }

  #scrollIntoView(pageView, pageSpot = null) {
    const {
      div,
      id
    } = pageView;

    if (this._scrollMode === _ui_utils.ScrollMode.PAGE) {
      this._setCurrentPageNumber(id);

      this.#ensurePageViewVisible();
      this.update();
    }

    if (!pageSpot && !this.isInPresentationMode) {
      const left = div.offsetLeft + div.clientLeft,
            right = left + div.clientWidth;
      const {
        scrollLeft,
        clientWidth
      } = this.container;

      if (this._scrollMode === _ui_utils.ScrollMode.HORIZONTAL || left < scrollLeft || right > scrollLeft + clientWidth) {
        pageSpot = {
          left: 0,
          top: 0
        };
      }
    }

    (0, _ui_utils.scrollIntoView)(div, pageSpot);
  }

  #isSameScale(newScale) {
    return newScale === this._currentScale || Math.abs(newScale - this._currentScale) < 1e-15;
  }

  _setScaleUpdatePages(newScale, newValue, noScroll = false, preset = false) {
    this._currentScaleValue = newValue.toString();

    if (this.#isSameScale(newScale)) {
      if (preset) {
        this.eventBus.dispatch("scalechanging", {
          source: this,
          scale: newScale,
          presetValue: newValue
        });
      }

      return;
    }

    _ui_utils.docStyle.setProperty("--scale-factor", newScale * _pdfjsLib.PixelsPerInch.PDF_TO_CSS_UNITS);

    const updateArgs = {
      scale: newScale
    };

    for (const pageView of this._pages) {
      pageView.update(updateArgs);
    }

    this._currentScale = newScale;

    if (!noScroll) {
      let page = this._currentPageNumber,
          dest;

      if (this._location && !(this.isInPresentationMode || this.isChangingPresentationMode)) {
        page = this._location.pageNumber;
        dest = [null, {
          name: "XYZ"
        }, this._location.left, this._location.top, null];
      }

      this.scrollPageIntoView({
        pageNumber: page,
        destArray: dest,
        allowNegativeOffset: true
      });
    }

    this.eventBus.dispatch("scalechanging", {
      source: this,
      scale: newScale,
      presetValue: preset ? newValue : undefined
    });

    if (this.defaultRenderingQueue) {
      this.update();
    }

    this.updateContainerHeightCss();
  }

  get _pageWidthScaleFactor() {
    if (this._spreadMode !== _ui_utils.SpreadMode.NONE && this._scrollMode !== _ui_utils.ScrollMode.HORIZONTAL) {
      return 2;
    }

    return 1;
  }

  _setScale(value, noScroll = false) {
    let scale = parseFloat(value);

    if (scale > 0) {
      this._setScaleUpdatePages(scale, value, noScroll, false);
    } else {
      const currentPage = this._pages[this._currentPageNumber - 1];

      if (!currentPage) {
        return;
      }

      let hPadding = _ui_utils.SCROLLBAR_PADDING,
          vPadding = _ui_utils.VERTICAL_PADDING;

      if (this.isInPresentationMode) {
        hPadding = vPadding = 4;
      } else if (this.removePageBorders) {
        hPadding = vPadding = 0;
      } else if (this._scrollMode === _ui_utils.ScrollMode.HORIZONTAL) {
        [hPadding, vPadding] = [vPadding, hPadding];
      }

      const pageWidthScale = (this.container.clientWidth - hPadding) / currentPage.width * currentPage.scale / this._pageWidthScaleFactor;
      const pageHeightScale = (this.container.clientHeight - vPadding) / currentPage.height * currentPage.scale;

      switch (value) {
        case "page-actual":
          scale = 1;
          break;

        case "page-width":
          scale = pageWidthScale;
          break;

        case "page-height":
          scale = pageHeightScale;
          break;

        case "page-fit":
          scale = Math.min(pageWidthScale, pageHeightScale);
          break;

        case "auto":
          const horizontalScale = (0, _ui_utils.isPortraitOrientation)(currentPage) ? pageWidthScale : Math.min(pageHeightScale, pageWidthScale);
          scale = Math.min(_ui_utils.MAX_AUTO_SCALE, horizontalScale);
          break;

        default:
          console.error(`_setScale: "${value}" is an unknown zoom value.`);
          return;
      }

      this._setScaleUpdatePages(scale, value, noScroll, true);
    }
  }

  #resetCurrentPageView() {
    const pageView = this._pages[this._currentPageNumber - 1];

    if (this.isInPresentationMode) {
      this._setScale(this._currentScaleValue, true);
    }

    this.#scrollIntoView(pageView);
  }

  pageLabelToPageNumber(label) {
    if (!this._pageLabels) {
      return null;
    }

    const i = this._pageLabels.indexOf(label);

    if (i < 0) {
      return null;
    }

    return i + 1;
  }

  scrollPageIntoView({
    pageNumber,
    destArray = null,
    allowNegativeOffset = false,
    ignoreDestinationZoom = false
  }) {
    if (!this.pdfDocument) {
      return;
    }

    const pageView = Number.isInteger(pageNumber) && this._pages[pageNumber - 1];

    if (!pageView) {
      console.error(`scrollPageIntoView: "${pageNumber}" is not a valid pageNumber parameter.`);
      return;
    }

    if (this.isInPresentationMode || !destArray) {
      this._setCurrentPageNumber(pageNumber, true);

      return;
    }

    let x = 0,
        y = 0;
    let width = 0,
        height = 0,
        widthScale,
        heightScale;
    const changeOrientation = pageView.rotation % 180 !== 0;
    const pageWidth = (changeOrientation ? pageView.height : pageView.width) / pageView.scale / _pdfjsLib.PixelsPerInch.PDF_TO_CSS_UNITS;
    const pageHeight = (changeOrientation ? pageView.width : pageView.height) / pageView.scale / _pdfjsLib.PixelsPerInch.PDF_TO_CSS_UNITS;
    let scale = 0;

    switch (destArray[1].name) {
      case "XYZ":
        x = destArray[2];
        y = destArray[3];
        scale = destArray[4];
        x = x !== null ? x : 0;
        y = y !== null ? y : pageHeight;
        break;

      case "Fit":
      case "FitB":
        scale = "page-fit";
        break;

      case "FitH":
      case "FitBH":
        y = destArray[2];
        scale = "page-width";

        if (y === null && this._location) {
          x = this._location.left;
          y = this._location.top;
        } else if (typeof y !== "number" || y < 0) {
          y = pageHeight;
        }

        break;

      case "FitV":
      case "FitBV":
        x = destArray[2];
        width = pageWidth;
        height = pageHeight;
        scale = "page-height";
        break;

      case "FitR":
        x = destArray[2];
        y = destArray[3];
        width = destArray[4] - x;
        height = destArray[5] - y;
        const hPadding = this.removePageBorders ? 0 : _ui_utils.SCROLLBAR_PADDING;
        const vPadding = this.removePageBorders ? 0 : _ui_utils.VERTICAL_PADDING;
        widthScale = (this.container.clientWidth - hPadding) / width / _pdfjsLib.PixelsPerInch.PDF_TO_CSS_UNITS;
        heightScale = (this.container.clientHeight - vPadding) / height / _pdfjsLib.PixelsPerInch.PDF_TO_CSS_UNITS;
        scale = Math.min(Math.abs(widthScale), Math.abs(heightScale));
        break;

      default:
        console.error(`scrollPageIntoView: "${destArray[1].name}" is not a valid destination type.`);
        return;
    }

    if (!ignoreDestinationZoom) {
      if (scale && scale !== this._currentScale) {
        this.currentScaleValue = scale;
      } else if (this._currentScale === _ui_utils.UNKNOWN_SCALE) {
        this.currentScaleValue = _ui_utils.DEFAULT_SCALE_VALUE;
      }
    }

    if (scale === "page-fit" && !destArray[4]) {
      this.#scrollIntoView(pageView);
      return;
    }

    const boundingRect = [pageView.viewport.convertToViewportPoint(x, y), pageView.viewport.convertToViewportPoint(x + width, y + height)];
    let left = Math.min(boundingRect[0][0], boundingRect[1][0]);
    let top = Math.min(boundingRect[0][1], boundingRect[1][1]);

    if (!allowNegativeOffset) {
      left = Math.max(left, 0);
      top = Math.max(top, 0);
    }

    this.#scrollIntoView(pageView, {
      left,
      top
    });
  }

  _updateLocation(firstPage) {
    const currentScale = this._currentScale;
    const currentScaleValue = this._currentScaleValue;
    const normalizedScaleValue = parseFloat(currentScaleValue) === currentScale ? Math.round(currentScale * 10000) / 100 : currentScaleValue;
    const pageNumber = firstPage.id;
    const currentPageView = this._pages[pageNumber - 1];
    const container = this.container;
    const topLeft = currentPageView.getPagePoint(container.scrollLeft - firstPage.x, container.scrollTop - firstPage.y);
    const intLeft = Math.round(topLeft[0]);
    const intTop = Math.round(topLeft[1]);
    let pdfOpenParams = `#page=${pageNumber}`;

    if (!this.isInPresentationMode) {
      pdfOpenParams += `&zoom=${normalizedScaleValue},${intLeft},${intTop}`;
    }

    this._location = {
      pageNumber,
      scale: normalizedScaleValue,
      top: intTop,
      left: intLeft,
      rotation: this._pagesRotation,
      pdfOpenParams
    };
  }

  update() {
    const visible = this._getVisiblePages();

    const visiblePages = visible.views,
          numVisiblePages = visiblePages.length;

    if (numVisiblePages === 0) {
      return;
    }

    const newCacheSize = Math.max(DEFAULT_CACHE_SIZE, 2 * numVisiblePages + 1);
    this.#buffer.resize(newCacheSize, visible.ids);
    this.renderingQueue.renderHighestPriority(visible);
    const isSimpleLayout = this._spreadMode === _ui_utils.SpreadMode.NONE && (this._scrollMode === _ui_utils.ScrollMode.PAGE || this._scrollMode === _ui_utils.ScrollMode.VERTICAL);
    const currentId = this._currentPageNumber;
    let stillFullyVisible = false;

    for (const page of visiblePages) {
      if (page.percent < 100) {
        break;
      }

      if (page.id === currentId && isSimpleLayout) {
        stillFullyVisible = true;
        break;
      }
    }

    this._setCurrentPageNumber(stillFullyVisible ? currentId : visiblePages[0].id);

    this._updateLocation(visible.first);

    this.eventBus.dispatch("updateviewarea", {
      source: this,
      location: this._location
    });
  }

  containsElement(element) {
    return this.container.contains(element);
  }

  focus() {
    this.container.focus();
  }

  get _isContainerRtl() {
    return getComputedStyle(this.container).direction === "rtl";
  }

  get isInPresentationMode() {
    return this.presentationModeState === _ui_utils.PresentationModeState.FULLSCREEN;
  }

  get isChangingPresentationMode() {
    return this.presentationModeState === _ui_utils.PresentationModeState.CHANGING;
  }

  get isHorizontalScrollbarEnabled() {
    return this.isInPresentationMode ? false : this.container.scrollWidth > this.container.clientWidth;
  }

  get isVerticalScrollbarEnabled() {
    return this.isInPresentationMode ? false : this.container.scrollHeight > this.container.clientHeight;
  }

  _getVisiblePages() {
    const views = this._scrollMode === _ui_utils.ScrollMode.PAGE ? this.#scrollModePageState.pages : this._pages,

          horizontal = this._scrollMode === _ui_utils.ScrollMode.HORIZONTAL,
          rtl = horizontal && this._isContainerRtl;
    return (0, _ui_utils.getVisibleElements)({
      scrollEl: this.container,
      views,
      sortByVisibility: true,
      horizontal,
      rtl
    });
  }

  isPageVisible(pageNumber) {
    if (!this.pdfDocument) {
      return false;
    }

    if (!(Number.isInteger(pageNumber) && pageNumber > 0 && pageNumber <= this.pagesCount)) {
      console.error(`isPageVisible: "${pageNumber}" is not a valid page.`);
      return false;
    }

    return this._getVisiblePages().ids.has(pageNumber);
  }

  isPageCached(pageNumber) {
    if (!this.pdfDocument) {
      return false;
    }

    if (!(Number.isInteger(pageNumber) && pageNumber > 0 && pageNumber <= this.pagesCount)) {
      console.error(`isPageCached: "${pageNumber}" is not a valid page.`);
      return false;
    }

    const pageView = this._pages[pageNumber - 1];
    return this.#buffer.has(pageView);
  }

  cleanup() {
    for (const pageView of this._pages) {
      if (pageView.renderingState !== _ui_utils.RenderingStates.FINISHED) {
        pageView.reset();
      }
    }
  }

  _cancelRendering() {
    for (const pageView of this._pages) {
      pageView.cancelRendering();
    }
  }

  async #ensurePdfPageLoaded(pageView) {
    if (pageView.pdfPage) {
      return pageView.pdfPage;
    }

    try {
      const pdfPage = await this.pdfDocument.getPage(pageView.id);

      if (!pageView.pdfPage) {
        pageView.setPdfPage(pdfPage);
      }

      if (!this.linkService._cachedPageNumber?.(pdfPage.ref)) {
        this.linkService.cachePageRef(pageView.id, pdfPage.ref);
      }

      return pdfPage;
    } catch (reason) {
      console.error("Unable to get page for page view", reason);
      return null;
    }
  }

  #getScrollAhead(visible) {
    if (visible.first?.id === 1) {
      return true;
    } else if (visible.last?.id === this.pagesCount) {
      return false;
    }

    switch (this._scrollMode) {
      case _ui_utils.ScrollMode.PAGE:
        return this.#scrollModePageState.scrollDown;

      case _ui_utils.ScrollMode.HORIZONTAL:
        return this.scroll.right;
    }

    return this.scroll.down;
  }

  #toggleLoadingIconSpinner(visibleIds) {
    for (const id of visibleIds) {
      const pageView = this._pages[id - 1];
      pageView?.toggleLoadingIconSpinner(true);
    }

    for (const pageView of this.#buffer) {
      if (visibleIds.has(pageView.id)) {
        continue;
      }

      pageView.toggleLoadingIconSpinner(false);
    }
  }

  forceRendering(currentlyVisiblePages) {
    const visiblePages = currentlyVisiblePages || this._getVisiblePages();

    const scrollAhead = this.#getScrollAhead(visiblePages);
    const preRenderExtra = this._spreadMode !== _ui_utils.SpreadMode.NONE && this._scrollMode !== _ui_utils.ScrollMode.HORIZONTAL;
    const pageView = this.renderingQueue.getHighestPriority(visiblePages, this._pages, scrollAhead, preRenderExtra);
    this.#toggleLoadingIconSpinner(visiblePages.ids);

    if (pageView) {
      this.#ensurePdfPageLoaded(pageView).then(() => {
        this.renderingQueue.renderView(pageView);
      });
      return true;
    }

    return false;
  }

  createTextLayerBuilder({
    textLayerDiv,
    pageIndex,
    viewport,
    enhanceTextSelection = false,
    eventBus,
    highlighter,
    accessibilityManager = null
  }) {
    return new _text_layer_builder.TextLayerBuilder({
      textLayerDiv,
      eventBus,
      pageIndex,
      viewport,
      enhanceTextSelection: this.isInPresentationMode ? false : enhanceTextSelection,
      highlighter,
      accessibilityManager
    });
  }

  createTextHighlighter({
    pageIndex,
    eventBus
  }) {
    return new _text_highlighter.TextHighlighter({
      eventBus,
      pageIndex,
      findController: this.isInPresentationMode ? null : this.findController
    });
  }


  createAnnotationLayerBuilder({
    pageDiv,
    pdfPage,
    annotationStorage = this.pdfDocument?.annotationStorage,
    imageResourcesPath = "",
    renderForms = true,
    l10n = _l10n_utils.NullL10n,
    enableScripting = this.enableScripting,
    hasJSActionsPromise = this.pdfDocument?.hasJSActions(),
    mouseState = this._scriptingManager?.mouseState,
    fieldObjectsPromise = this.pdfDocument?.getFieldObjects(),
    annotationCanvasMap = null,
    accessibilityManager = null
  }) {
    return new _annotation_layer_builder.AnnotationLayerBuilder({
      pageDiv,
      pdfPage,
      annotationStorage,
      imageResourcesPath,
      renderForms,
      linkService: this.linkService,
      downloadManager: this.downloadManager,
      l10n,
      enableScripting,
      hasJSActionsPromise,
      mouseState,
      fieldObjectsPromise,
      annotationCanvasMap,
      accessibilityManager
    });
  }

  createAnnotationEditorLayerBuilder({
    uiManager = this.#annotationEditorUIManager,
    pageDiv,
    pdfPage,
    accessibilityManager = null,
    l10n,
    annotationStorage = this.pdfDocument?.annotationStorage
  }) {
    return new _annotation_editor_layer_builder.AnnotationEditorLayerBuilder({
      uiManager,
      pageDiv,
      pdfPage,
      annotationStorage,
      accessibilityManager,
      l10n
    });
  }

  createXfaLayerBuilder({
    pageDiv,
    pdfPage,
    annotationStorage = this.pdfDocument?.annotationStorage
  }) {
    return new _xfa_layer_builder.XfaLayerBuilder({
      pageDiv,
      pdfPage,
      annotationStorage,
      linkService: this.linkService
    });
  }

  createStructTreeLayerBuilder({
    pdfPage
  }) {
    return new _struct_tree_layer_builder.StructTreeLayerBuilder({
      pdfPage
    });
  }

  get hasEqualPageSizes() {
    const firstPageView = this._pages[0];

    for (let i = 1, ii = this._pages.length; i < ii; ++i) {
      const pageView = this._pages[i];

      if (pageView.width !== firstPageView.width || pageView.height !== firstPageView.height) {
        return false;
      }
    }

    return true;
  }

  getPagesOverview() {
    return this._pages.map(pageView => {
      const viewport = pageView.pdfPage.getViewport({
        scale: 1
      });

      if (!this.enablePrintAutoRotate || (0, _ui_utils.isPortraitOrientation)(viewport)) {
        return {
          width: viewport.width,
          height: viewport.height,
          rotation: viewport.rotation
        };
      }

      return {
        width: viewport.height,
        height: viewport.width,
        rotation: (viewport.rotation - 90) % 360
      };
    });
  }

  get optionalContentConfigPromise() {
    if (!this.pdfDocument) {
      return Promise.resolve(null);
    }

    if (!this._optionalContentConfigPromise) {
      console.error("optionalContentConfigPromise: Not initialized yet.");
      return this.pdfDocument.getOptionalContentConfig();
    }

    return this._optionalContentConfigPromise;
  }

  set optionalContentConfigPromise(promise) {
    if (!(promise instanceof Promise)) {
      throw new Error(`Invalid optionalContentConfigPromise: ${promise}`);
    }

    if (!this.pdfDocument) {
      return;
    }

    if (!this._optionalContentConfigPromise) {
      return;
    }

    this._optionalContentConfigPromise = promise;
    const updateArgs = {
      optionalContentConfigPromise: promise
    };

    for (const pageView of this._pages) {
      pageView.update(updateArgs);
    }

    this.update();
    this.eventBus.dispatch("optionalcontentconfigchanged", {
      source: this,
      promise
    });
  }

  get scrollMode() {
    return this._scrollMode;
  }

  set scrollMode(mode) {
    if (this._scrollMode === mode) {
      return;
    }

    if (!(0, _ui_utils.isValidScrollMode)(mode)) {
      throw new Error(`Invalid scroll mode: ${mode}`);
    }

    if (this.pagesCount > PagesCountLimit.FORCE_SCROLL_MODE_PAGE) {
      return;
    }

    this._previousScrollMode = this._scrollMode;
    this._scrollMode = mode;
    this.eventBus.dispatch("scrollmodechanged", {
      source: this,
      mode
    });

    this._updateScrollMode(this._currentPageNumber);
  }

  _updateScrollMode(pageNumber = null) {
    const scrollMode = this._scrollMode,
          viewer = this.viewer;
    viewer.classList.toggle("scrollHorizontal", scrollMode === _ui_utils.ScrollMode.HORIZONTAL);
    viewer.classList.toggle("scrollWrapped", scrollMode === _ui_utils.ScrollMode.WRAPPED);

    if (!this.pdfDocument || !pageNumber) {
      return;
    }

    if (scrollMode === _ui_utils.ScrollMode.PAGE) {
      this.#ensurePageViewVisible();
    } else if (this._previousScrollMode === _ui_utils.ScrollMode.PAGE) {
      this._updateSpreadMode();
    }

    if (this._currentScaleValue && isNaN(this._currentScaleValue)) {
      this._setScale(this._currentScaleValue, true);
    }

    this._setCurrentPageNumber(pageNumber, true);

    this.update();
  }

  get spreadMode() {
    return this._spreadMode;
  }

  set spreadMode(mode) {
    if (this._spreadMode === mode) {
      return;
    }

    if (!(0, _ui_utils.isValidSpreadMode)(mode)) {
      throw new Error(`Invalid spread mode: ${mode}`);
    }

    this._spreadMode = mode;
    this.eventBus.dispatch("spreadmodechanged", {
      source: this,
      mode
    });

    this._updateSpreadMode(this._currentPageNumber);
  }

  _updateSpreadMode(pageNumber = null) {
    if (!this.pdfDocument) {
      return;
    }

    const viewer = this.viewer,
          pages = this._pages;

    if (this._scrollMode === _ui_utils.ScrollMode.PAGE) {
      this.#ensurePageViewVisible();
    } else {
      viewer.textContent = "";

      if (this._spreadMode === _ui_utils.SpreadMode.NONE) {
        for (const pageView of this._pages) {
          viewer.append(pageView.div);
        }
      } else {
        const parity = this._spreadMode - 1;
        let spread = null;

        for (let i = 0, ii = pages.length; i < ii; ++i) {
          if (spread === null) {
            spread = document.createElement("div");
            spread.className = "spread";
            viewer.append(spread);
          } else if (i % 2 === parity) {
            spread = spread.cloneNode(false);
            viewer.append(spread);
          }

          spread.append(pages[i].div);
        }
      }
    }

    if (!pageNumber) {
      return;
    }

    if (this._currentScaleValue && isNaN(this._currentScaleValue)) {
      this._setScale(this._currentScaleValue, true);
    }

    this._setCurrentPageNumber(pageNumber, true);

    this.update();
  }

  _getPageAdvance(currentPageNumber, previous = false) {
    switch (this._scrollMode) {
      case _ui_utils.ScrollMode.WRAPPED:
        {
          const {
            views
          } = this._getVisiblePages(),
                pageLayout = new Map();

          for (const {
            id,
            y,
            percent,
            widthPercent
          } of views) {
            if (percent === 0 || widthPercent < 100) {
              continue;
            }

            let yArray = pageLayout.get(y);

            if (!yArray) {
              pageLayout.set(y, yArray ||= []);
            }

            yArray.push(id);
          }

          for (const yArray of pageLayout.values()) {
            const currentIndex = yArray.indexOf(currentPageNumber);

            if (currentIndex === -1) {
              continue;
            }

            const numPages = yArray.length;

            if (numPages === 1) {
              break;
            }

            if (previous) {
              for (let i = currentIndex - 1, ii = 0; i >= ii; i--) {
                const currentId = yArray[i],
                      expectedId = yArray[i + 1] - 1;

                if (currentId < expectedId) {
                  return currentPageNumber - expectedId;
                }
              }

            } else {
              for (let i = currentIndex + 1, ii = numPages; i < ii; i++) {
                const currentId = yArray[i],
                      expectedId = yArray[i - 1] + 1;

                if (currentId > expectedId) {
                  return expectedId - currentPageNumber;
                }
              }
            }

            if (previous) {
              const firstId = yArray[0];

              if (firstId < currentPageNumber) {
                return currentPageNumber - firstId + 1;
              }
            } else {
              const lastId = yArray[numPages - 1];

              if (lastId > currentPageNumber) {
                return lastId - currentPageNumber + 1;
              }
            }

            break;
          }

          break;
        }

      case _ui_utils.ScrollMode.HORIZONTAL:
        {
          break;
        }

      case _ui_utils.ScrollMode.PAGE:
      case _ui_utils.ScrollMode.VERTICAL:
        {
          if (this._spreadMode === _ui_utils.SpreadMode.NONE) {
            break;
          }

          const parity = this._spreadMode - 1;

          if (previous && currentPageNumber % 2 !== parity) {
            break;
          } else if (!previous && currentPageNumber % 2 === parity) {
            break;
          }

          const {
            views
          } = this._getVisiblePages(),
                expectedId = previous ? currentPageNumber - 1 : currentPageNumber + 1;

          for (const {
            id,
            percent,
            widthPercent
          } of views) {
            if (id !== expectedId) {
              continue;
            }

            if (percent > 0 && widthPercent === 100) {
              return 2;
            }

            break;
          }

          break;
        }
    }

    return 1;
  }

  nextPage() {
    const currentPageNumber = this._currentPageNumber,
          pagesCount = this.pagesCount;

    if (currentPageNumber >= pagesCount) {
      return false;
    }

    const advance = this._getPageAdvance(currentPageNumber, false) || 1;
    this.currentPageNumber = Math.min(currentPageNumber + advance, pagesCount);
    return true;
  }

  previousPage() {
    const currentPageNumber = this._currentPageNumber;

    if (currentPageNumber <= 1) {
      return false;
    }

    const advance = this._getPageAdvance(currentPageNumber, true) || 1;
    this.currentPageNumber = Math.max(currentPageNumber - advance, 1);
    return true;
  }

  increaseScale(steps = 1) {
    let newScale = this._currentScale;

    do {
      newScale = (newScale * _ui_utils.DEFAULT_SCALE_DELTA).toFixed(2);
      newScale = Math.ceil(newScale * 10) / 10;
      newScale = Math.min(_ui_utils.MAX_SCALE, newScale);
    } while (--steps > 0 && newScale < _ui_utils.MAX_SCALE);

    this.currentScaleValue = newScale;
  }

  decreaseScale(steps = 1) {
    let newScale = this._currentScale;

    do {
      newScale = (newScale / _ui_utils.DEFAULT_SCALE_DELTA).toFixed(2);
      newScale = Math.floor(newScale * 10) / 10;
      newScale = Math.max(_ui_utils.MIN_SCALE, newScale);
    } while (--steps > 0 && newScale > _ui_utils.MIN_SCALE);

    this.currentScaleValue = newScale;
  }

  updateContainerHeightCss() {
    const height = this.container.clientHeight;

    if (height !== this.#previousContainerHeight) {
      this.#previousContainerHeight = height;

      _ui_utils.docStyle.setProperty("--viewer-container-height", `${height}px`);
    }
  }

  get annotationEditorMode() {
    return this.#annotationEditorUIManager ? this.#annotationEditorMode : _pdfjsLib.AnnotationEditorType.DISABLE;
  }

  set annotationEditorMode(mode) {
    if (!this.#annotationEditorUIManager) {
      throw new Error(`The AnnotationEditor is not enabled.`);
    }

    if (this.#annotationEditorMode === mode) {
      return;
    }

    if (!isValidAnnotationEditorMode(mode)) {
      throw new Error(`Invalid AnnotationEditor mode: ${mode}`);
    }

    if (!this.pdfDocument) {
      return;
    }

    this.#annotationEditorMode = mode;
    this.eventBus.dispatch("annotationeditormodechanged", {
      source: this,
      mode
    });
    this.#annotationEditorUIManager.updateMode(mode);
  }

  set annotationEditorParams({
    type,
    value
  }) {
    if (!this.#annotationEditorUIManager) {
      throw new Error(`The AnnotationEditor is not enabled.`);
    }

    this.#annotationEditorUIManager.updateParams(type, value);
  }

  refresh() {
    if (!this.pdfDocument) {
      return;
    }

    const updateArgs = {};

    for (const pageView of this._pages) {
      pageView.update(updateArgs);
    }

    this.update();
  }

}

exports.BaseViewer = BaseViewer;

/***/ }),
/* 30 */
/***/ ((__unused_webpack_module, exports, __webpack_require__) => {



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

var _pdfjsLib = __webpack_require__(5);

var _l10n_utils = __webpack_require__(31);

class AnnotationEditorLayerBuilder {
  #uiManager;

  constructor(options) {
    this.pageDiv = options.pageDiv;
    this.pdfPage = options.pdfPage;
    this.annotationStorage = options.annotationStorage || null;
    this.accessibilityManager = options.accessibilityManager;
    this.l10n = options.l10n || _l10n_utils.NullL10n;
    this.annotationEditorLayer = null;
    this.div = null;
    this._cancelled = false;
    this.#uiManager = options.uiManager;
  }

  async render(viewport, intent = "display") {
    if (intent !== "display") {
      return;
    }

    if (this._cancelled) {
      return;
    }

    const clonedViewport = viewport.clone({
      dontFlip: true
    });

    if (this.div) {
      this.annotationEditorLayer.update({
        viewport: clonedViewport
      });
      this.show();
      return;
    }

    this.div = document.createElement("div");
    this.div.className = "annotationEditorLayer";
    this.div.tabIndex = 0;
    this.pageDiv.append(this.div);
    this.annotationEditorLayer = new _pdfjsLib.AnnotationEditorLayer({
      uiManager: this.#uiManager,
      div: this.div,
      annotationStorage: this.annotationStorage,
      accessibilityManager: this.accessibilityManager,
      pageIndex: this.pdfPage._pageIndex,
      l10n: this.l10n,
      viewport: clonedViewport
    });
    const parameters = {
      viewport: clonedViewport,
      div: this.div,
      annotations: null,
      intent
    };
    this.annotationEditorLayer.render(parameters);
  }

  cancel() {
    this._cancelled = true;
    this.destroy();
  }

  hide() {
    if (!this.div) {
      return;
    }

    this.div.hidden = true;
  }

  show() {
    if (!this.div) {
      return;
    }

    this.div.hidden = false;
  }

  destroy() {
    if (!this.div) {
      return;
    }

    this.pageDiv = null;
    this.annotationEditorLayer.destroy();
    this.div.remove();
  }

}

exports.AnnotationEditorLayerBuilder = AnnotationEditorLayerBuilder;

/***/ }),
/* 31 */
/***/ ((__unused_webpack_module, exports) => {



Object.defineProperty(exports, "__esModule", ({
  value: true
}));
exports.NullL10n = void 0;
exports.fixupLangCode = fixupLangCode;
exports.getL10nFallback = getL10nFallback;
const DEFAULT_L10N_STRINGS = {
  of_pages: "of {{pagesCount}}",
  page_of_pages: "({{pageNumber}} of {{pagesCount}})",
  document_properties_kb: "{{size_kb}} KB ({{size_b}} bytes)",
  document_properties_mb: "{{size_mb}} MB ({{size_b}} bytes)",
  document_properties_date_string: "{{date}}, {{time}}",
  document_properties_page_size_unit_inches: "in",
  document_properties_page_size_unit_millimeters: "mm",
  document_properties_page_size_orientation_portrait: "portrait",
  document_properties_page_size_orientation_landscape: "landscape",
  document_properties_page_size_name_a3: "A3",
  document_properties_page_size_name_a4: "A4",
  document_properties_page_size_name_letter: "Letter",
  document_properties_page_size_name_legal: "Legal",
  document_properties_page_size_dimension_string: "{{width}} × {{height}} {{unit}} ({{orientation}})",
  document_properties_page_size_dimension_name_string: "{{width}} × {{height}} {{unit}} ({{name}}, {{orientation}})",
  document_properties_linearized_yes: "Yes",
  document_properties_linearized_no: "No",
  print_progress_percent: "{{progress}}%",
  "toggle_sidebar.title": "Toggle Sidebar",
  "toggle_sidebar_notification2.title": "Toggle Sidebar (document contains outline/attachments/layers)",
  additional_layers: "Additional Layers",
  page_landmark: "Page {{page}}",
  thumb_page_title: "Page {{page}}",
  thumb_page_canvas: "Thumbnail of Page {{page}}",
  find_reached_top: "Reached top of document, continued from bottom",
  find_reached_bottom: "Reached end of document, continued from top",
  "find_match_count[one]": "{{current}} of {{total}} match",
  "find_match_count[other]": "{{current}} of {{total}} matches",
  "find_match_count_limit[one]": "More than {{limit}} match",
  "find_match_count_limit[other]": "More than {{limit}} matches",
  find_not_found: "Phrase not found",
  error_version_info: "PDF.js v{{version}} (build: {{build}})",
  error_message: "Message: {{message}}",
  error_stack: "Stack: {{stack}}",
  error_file: "File: {{file}}",
  error_line: "Line: {{line}}",
  rendering_error: "An error occurred while rendering the page.",
  page_scale_width: "Page Width",
  page_scale_fit: "Page Fit",
  page_scale_auto: "Automatic Zoom",
  page_scale_actual: "Actual Size",
  page_scale_percent: "{{scale}}%",
  loading: "Loading…",
  loading_error: "An error occurred while loading the PDF.",
  invalid_file_error: "Invalid or corrupted PDF file.",
  missing_file_error: "Missing PDF file.",
  unexpected_response_error: "Unexpected server response.",
  printing_not_supported: "Warning: Printing is not fully supported by this browser.",
  printing_not_ready: "Warning: The PDF is not fully loaded for printing.",
  web_fonts_disabled: "Web fonts are disabled: unable to use embedded PDF fonts.",
  free_text_default_content: "Enter text…",
  editor_free_text_aria_label: "FreeText Editor",
  editor_ink_aria_label: "Ink Editor",
  editor_ink_canvas_aria_label: "User-created image"
};


}