\\n ', o.video.quality&&(t+='\\n
\\n
\\n
\\n
\\n ', u(o.video.quality,function(e,n){t+='\\n
\\n \";}), t+=\"\\n
\\n
\\n
\\n \"), t+=\"\\n \", o.screenshot&&(t+='\\n
\\n
\\n \"), t+='\\n \\n \", o.subtitle&&(t+='\\n
\\n \\n
\\n \"), t+='\\n
\\n
\\n \";}), t+='\\n
\\n
'};},function(e,t,n){(function(t){function i(e){return\"string\"!=typeof e&&(e=void 0===e||null===e?\"\":\"function\"==typeof e?i(e.call(e)):JSON.stringify(e)), e}function a(e){var t=\"\"+e,n=r.exec(t);if(!n)return e;var i=\"\",a=void 0,o=void 0,s=void 0;for(a=n.index, o=0;a
]/;s.$escape=function(e){return a(i(e))}, s.$each=function(e,t){if(Array.isArray(e))for(var n=0,i=e.length;nparseFloat(t.time);)n.push(t), t=this.dan[++this.danIndex];this.draw(n);}window.requestAnimationFrame(function(){e.frame();});}},{key:\"opacity\",value:function(e){if(void 0!==e){for(var t=this.container.getElementsByClassName(\"dplayer-danmaku-item\"),n=0;n'+e[a].text+\"\":o.innerHTML=e[a].text, o.style.opacity=t._opacity, o.style.color=e[a].color, o.addEventListener(\"animationend\",function(){t.container.removeChild(o);});var s=t._measure(e[a].text),r=void 0;switch(e[a].type){case\"right\":r=c(o,e[a].type,s), r>=0&&(o.style.width=s+1+\"px\", o.style.top=n*r+\"px\", o.style.transform=\"translateX(-\"+i+\"px)\");break;case\"top\":r=c(o,e[a].type), r>=0&&(o.style.top=n*r+\"px\");break;case\"bottom\":r=c(o,e[a].type), r>=0&&(o.style.bottom=n*r+\"px\");break;default:console.error(\"Can't handled danmaku type: \"+e[a].type);}r>=0&&(o.classList.add(\"dplayer-danmaku-move\"), u.appendChild(o));}(d);return this.container.appendChild(u), u}}},{key:\"play\",value:function(){this.paused=!1;}},{key:\"pause\",value:function(){this.paused=!0;}},{key:\"_measure\",value:function(e){if(!this.context){var t=getComputedStyle(this.container.getElementsByClassName(\"dplayer-danmaku-item\")[0],null);this.context=document.createElement(\"canvas\").getContext(\"2d\"), this.context.font=t.getPropertyValue(\"font\");}return this.context.measureText(e).width}},{key:\"seek\",value:function(){this.clear();for(var e=0;e=this.options.time()){this.danIndex=e;break}this.danIndex=this.dan.length;}}},{key:\"clear\",value:function(){this.danTunnel={right:{},top:{},bottom:{}}, this.danIndex=0, this.options.container.innerHTML=\"\", this.events&&this.events.trigger(\"danmaku_clear\");}},{key:\"htmlEncode\",value:function(e){return e.replace(/&/g,\"&\").replace(//g,\">\").replace(/\"/g,\""\").replace(/'/g,\"'\").replace(/\\//g,\"/\")}},{key:\"resize\",value:function(){for(var e=this.container.offsetWidth,t=this.container.getElementsByClassName(\"dplayer-danmaku-item\"),n=0;n0&&void 0!==arguments[0]?arguments[0]:\"browser\"){case\"browser\":return document.fullscreenElement||document.mozFullScreenElement||document.webkitFullscreenElement;case\"web\":return this.player.container.classList.contains(\"dplayer-fulled\")}}},{key:\"request\",value:function(){var e=arguments.length>0&&void 0!==arguments[0]?arguments[0]:\"browser\",t=\"browser\"===e?\"web\":\"browser\",n=this.isFullScreen(t);switch(n||(this.lastScrollPosition=s.default.getScrollPosition()), e){case\"browser\":this.player.container.requestFullscreen?this.player.container.requestFullscreen():this.player.container.mozRequestFullScreen?this.player.container.mozRequestFullScreen():this.player.container.webkitRequestFullscreen?this.player.container.webkitRequestFullscreen():this.player.video.webkitEnterFullscreen&&this.player.video.webkitEnterFullscreen();break;case\"web\":this.player.container.classList.add(\"dplayer-fulled\"), document.body.classList.add(\"dplayer-web-fullscreen-fix\"), this.player.events.trigger(\"webfullscreen\");}n&&this.cancel(t);}},{key:\"cancel\",value:function(){switch(arguments.length>0&&void 0!==arguments[0]?arguments[0]:\"browser\"){case\"browser\":document.cancelFullScreen?document.cancelFullScreen():document.mozCancelFullScreen?document.mozCancelFullScreen():document.webkitCancelFullScreen&&document.webkitCancelFullScreen();break;case\"web\":this.player.container.classList.remove(\"dplayer-fulled\"), document.body.classList.remove(\"dplayer-web-fullscreen-fix\"), this.player.events.trigger(\"webfullscreen_cancel\");}}},{key:\"toggle\",value:function(){var e=arguments.length>0&&void 0!==arguments[0]?arguments[0]:\"browser\";this.isFullScreen(e)?this.cancel(e):this.request(e);}}]), e}();t.default=r;},function(e,t,n){function i(e,t){if(!(e instanceof t))throw new TypeError(\"Cannot call a class as a function\")}Object.defineProperty(t,\"__esModule\",{value:!0});var a=function(){function e(e,t){for(var n=0;nt&&!e.player.video.paused&&(e.player.container.classList.remove(\"dplayer-loading\"), i=!1), t=n);},100);}},{key:\"initprogressChecker\",value:function(){var e=this;this.progressChecker=setInterval(function(){if(e.enableprogressChecker){e.player.bar.set(\"played\",e.player.video.currentTime/e.player.video.duration,\"width\");var t=s.default.secondToTime(e.player.video.currentTime);e.player.template.ptime.innerHTML!==t&&(e.player.template.ptime.innerHTML=s.default.secondToTime(e.player.video.currentTime));}},100);}},{key:\"initfpsChecker\",value:function(){var e=this;window.requestAnimationFrame(function(){if(e.enablefpsChecker)if(e.initfpsChecker(), e.fpsStart){e.fpsIndex++;var t=new Date;t-e.fpsStart>1e3&&(e.player.infoPanel.fps(e.fpsIndex/(t-e.fpsStart)*1e3), e.fpsStart=new Date, e.fpsIndex=0);}else e.fpsStart=new Date, e.fpsIndex=0;else e.fpsStart=0, e.fpsIndex=0;});}},{key:\"initinfoChecker\",value:function(){var e=this;this.infoChecker=setInterval(function(){e.enableinfoChecker&&e.player.infoPanel.update();},1e3);}},{key:\"enable\",value:function(e){this[\"enable\"+e+\"Checker\"]=!0, \"fps\"===e&&this.initfpsChecker();}},{key:\"disable\",value:function(e){this[\"enable\"+e+\"Checker\"]=!1;}},{key:\"destroy\",value:function(e){this[e+\"Checker\"]&&clearInterval(this[e+\"Checker\"]);}}]), e}();t.default=r;},function(e,t,n){function i(e,t){if(!(e instanceof t))throw new TypeError(\"Cannot call a class as a function\")}Object.defineProperty(t,\"__esModule\",{value:!0});var a=function(){function e(e,t){for(var n=0;ne.player.template.playedBarWrap.offsetWidth)return;var a=e.player.video.duration*(i/e.player.template.playedBarWrap.offsetWidth);r.default.isMobile&&e.thumbnails&&e.thumbnails.show(), e.thumbnails&&e.thumbnails.move(i), e.player.template.playedBarTime.style.left=i-20+\"px\", e.player.template.playedBarTime.innerText=r.default.secondToTime(a), e.player.template.playedBarTime.classList.remove(\"hidden\");}}), this.player.template.playedBarWrap.addEventListener(r.default.nameMap.dragEnd,function(){r.default.isMobile&&e.thumbnails&&e.thumbnails.hide();}), r.default.isMobile||(this.player.template.playedBarWrap.addEventListener(\"mouseenter\",function(){e.player.video.duration&&(e.thumbnails&&e.thumbnails.show(), e.player.template.playedBarTime.classList.remove(\"hidden\"));}), this.player.template.playedBarWrap.addEventListener(\"mouseleave\",function(){e.player.video.duration&&(e.thumbnails&&e.thumbnails.hide(), e.player.template.playedBarTime.classList.add(\"hidden\"));}));}},{key:\"initFullButton\",value:function(){var e=this;this.player.template.browserFullButton.addEventListener(\"click\",function(){e.player.fullScreen.toggle(\"browser\");}), this.player.template.webFullButton.addEventListener(\"click\",function(){e.player.fullScreen.toggle(\"web\");});}},{key:\"initVolumeButton\",value:function(){var e=this,t=function(t){var n=t||window.event,i=((n.clientX||n.changedTouches[0].clientX)-r.default.getElementViewLeft(e.player.template.volumeBarWrap)-5.5)/35;e.player.volume(i);},n=function n(){document.removeEventListener(r.default.nameMap.dragEnd,n), document.removeEventListener(r.default.nameMap.dragMove,t), e.player.template.volumeButton.classList.remove(\"dplayer-volume-active\");};this.player.template.volumeBarWrapWrap.addEventListener(\"click\",function(t){var n=t||window.event,i=((n.clientX||n.changedTouches[0].clientX)-r.default.getElementViewLeft(e.player.template.volumeBarWrap)-5.5)/35;e.player.volume(i);}), this.player.template.volumeBarWrapWrap.addEventListener(r.default.nameMap.dragStart,function(){document.addEventListener(r.default.nameMap.dragMove,t), document.addEventListener(r.default.nameMap.dragEnd,n), e.player.template.volumeButton.classList.add(\"dplayer-volume-active\");}), this.player.template.volumeIcon.addEventListener(\"click\",function(){e.player.video.muted?(e.player.video.muted=!1, e.player.switchVolumeIcon(), e.player.bar.set(\"volume\",e.player.volume(),\"width\")):(e.player.video.muted=!0, e.player.template.volumeIcon.innerHTML=d.default.volumeOff, e.player.bar.set(\"volume\",0,\"width\"));});}},{key:\"initQualityButton\",value:function(){var e=this;this.player.options.video.quality&&this.player.template.qualityList.addEventListener(\"click\",function(t){t.target.classList.contains(\"dplayer-quality-item\")&&e.player.switchQuality(t.target.dataset.index);});}},{key:\"initScreenshotButton\",value:function(){var e=this;this.player.options.screenshot&&this.player.template.camareButton.addEventListener(\"click\",function(){var t=document.createElement(\"canvas\");t.width=e.player.video.videoWidth, t.height=e.player.video.videoHeight, t.getContext(\"2d\").drawImage(e.player.video,0,0,t.width,t.height);var n=void 0;t.toBlob(function(e){n=URL.createObjectURL(e);var t=document.createElement(\"a\");t.href=n, t.download=\"DPlayer.png\", t.style.display=\"none\", document.body.appendChild(t), t.click(), document.body.removeChild(t), URL.revokeObjectURL(n);}), e.player.events.trigger(\"screenshot\",n);});}},{key:\"initSubtitleButton\",value:function(){var e=this;this.player.options.subtitle&&(this.player.events.on(\"subtitle_show\",function(){e.player.template.subtitleButton.dataset.balloon=e.player.tran(\"Hide subtitle\"), e.player.template.subtitleButtonInner.style.opacity=\"\", e.player.user.set(\"subtitle\",1);}), this.player.events.on(\"subtitle_hide\",function(){e.player.template.subtitleButton.dataset.balloon=e.player.tran(\"Show subtitle\"), e.player.template.subtitleButtonInner.style.opacity=\"0.4\", e.player.user.set(\"subtitle\",0);}), this.player.template.subtitleButton.addEventListener(\"click\",function(){e.player.subtitle.toggle();}));}},{key:\"setAutoHide\",value:function(){var e=this;this.show(), clearTimeout(this.autoHideTimer), this.autoHideTimer=setTimeout(function(){!e.player.video.played.length||e.player.paused||e.disableAutoHide||e.hide();},3e3);}},{key:\"show\",value:function(){this.player.container.classList.remove(\"dplayer-hide-controller\");}},{key:\"hide\",value:function(){this.player.container.classList.add(\"dplayer-hide-controller\"), this.player.setting.hide(), this.player.comment&&this.player.comment.hide();}},{key:\"isShow\",value:function(){return!this.player.container.classList.contains(\"dplayer-hide-controller\")}},{key:\"toggle\",value:function(){this.isShow()?this.hide():this.show();}},{key:\"destroy\",value:function(){clearTimeout(this.autoHideTimer);}}]), e}();t.default=p;},function(e,t,n){function i(e,t){if(!(e instanceof t))throw new TypeError(\"Cannot call a class as a function\")}Object.defineProperty(t,\"__esModule\",{value:!0});var a=function(){function e(e,t){for(var n=0;n=n.width?(this.player.template.menu.style.right=n.width-e+\"px\", this.player.template.menu.style.left=\"initial\"):(this.player.template.menu.style.left=e+\"px\", this.player.template.menu.style.right=\"initial\"), t+this.player.template.menu.offsetHeight>=n.height?(this.player.template.menu.style.bottom=n.height-t+\"px\", this.player.template.menu.style.top=\"initial\"):(this.player.template.menu.style.top=t+\"px\", this.player.template.menu.style.bottom=\"initial\"), this.player.template.mask.classList.add(\"dplayer-mask-show\"), this.player.events.trigger(\"contextmenu_show\");}},{key:\"hide\",value:function(){this.player.template.mask.classList.remove(\"dplayer-mask-show\"), this.player.template.menu.classList.remove(\"dplayer-menu-show\"), this.player.events.trigger(\"contextmenu_hide\");}}]), e}();t.default=s;},function(e,t,n){function i(e,t){if(!(e instanceof t))throw new TypeError(\"Cannot call a class as a function\")}Object.defineProperty(t,\"__esModule\",{value:!0});var a=function(){function e(e,t){for(var n=0;n 1 ? arguments[1] : undefined;\n var len = toLength(that.length);\n var end = endPosition === undefined ? len : Math.min(toLength(endPosition), len);\n var search = String(searchString);\n return $endsWith\n ? $endsWith.call(that, search, end)\n : that.slice(end - search.length, end) === search;\n }\n});\n","export * from \"-!../../mini-css-extract-plugin/dist/loader.js??ref--6-oneOf-1-0!../../css-loader/index.js??ref--6-oneOf-1-1!../../vue-loader/lib/loaders/stylePostLoader.js!../../cache-loader/dist/cjs.js??ref--0-0!../../vue-loader/lib/index.js??vue-loader-options!./resize-sensor.vue?vue&type=style&index=0&lang=css&\"","// shim for using process in browser\nvar process = module.exports = {};\n\n// cached from whatever global is present so that test runners that stub it\n// don't break things. But we need to wrap it in a try catch in case it is\n// wrapped in strict mode code which doesn't define any globals. It's inside a\n// function because try/catches deoptimize in certain engines.\n\nvar cachedSetTimeout;\nvar cachedClearTimeout;\n\nfunction defaultSetTimout() {\n throw new Error('setTimeout has not been defined');\n}\nfunction defaultClearTimeout () {\n throw new Error('clearTimeout has not been defined');\n}\n(function () {\n try {\n if (typeof setTimeout === 'function') {\n cachedSetTimeout = setTimeout;\n } else {\n cachedSetTimeout = defaultSetTimout;\n }\n } catch (e) {\n cachedSetTimeout = defaultSetTimout;\n }\n try {\n if (typeof clearTimeout === 'function') {\n cachedClearTimeout = clearTimeout;\n } else {\n cachedClearTimeout = defaultClearTimeout;\n }\n } catch (e) {\n cachedClearTimeout = defaultClearTimeout;\n }\n} ())\nfunction runTimeout(fun) {\n if (cachedSetTimeout === setTimeout) {\n //normal enviroments in sane situations\n return setTimeout(fun, 0);\n }\n // if setTimeout wasn't available but was latter defined\n if ((cachedSetTimeout === defaultSetTimout || !cachedSetTimeout) && setTimeout) {\n cachedSetTimeout = setTimeout;\n return setTimeout(fun, 0);\n }\n try {\n // when when somebody has screwed with setTimeout but no I.E. maddness\n return cachedSetTimeout(fun, 0);\n } catch(e){\n try {\n // When we are in I.E. but the script has been evaled so I.E. doesn't trust the global object when called normally\n return cachedSetTimeout.call(null, fun, 0);\n } catch(e){\n // same as above but when it's a version of I.E. that must have the global object for 'this', hopfully our context correct otherwise it will throw a global error\n return cachedSetTimeout.call(this, fun, 0);\n }\n }\n\n\n}\nfunction runClearTimeout(marker) {\n if (cachedClearTimeout === clearTimeout) {\n //normal enviroments in sane situations\n return clearTimeout(marker);\n }\n // if clearTimeout wasn't available but was latter defined\n if ((cachedClearTimeout === defaultClearTimeout || !cachedClearTimeout) && clearTimeout) {\n cachedClearTimeout = clearTimeout;\n return clearTimeout(marker);\n }\n try {\n // when when somebody has screwed with setTimeout but no I.E. maddness\n return cachedClearTimeout(marker);\n } catch (e){\n try {\n // When we are in I.E. but the script has been evaled so I.E. doesn't trust the global object when called normally\n return cachedClearTimeout.call(null, marker);\n } catch (e){\n // same as above but when it's a version of I.E. that must have the global object for 'this', hopfully our context correct otherwise it will throw a global error.\n // Some versions of I.E. have different rules for clearTimeout vs setTimeout\n return cachedClearTimeout.call(this, marker);\n }\n }\n\n\n\n}\nvar queue = [];\nvar draining = false;\nvar currentQueue;\nvar queueIndex = -1;\n\nfunction cleanUpNextTick() {\n if (!draining || !currentQueue) {\n return;\n }\n draining = false;\n if (currentQueue.length) {\n queue = currentQueue.concat(queue);\n } else {\n queueIndex = -1;\n }\n if (queue.length) {\n drainQueue();\n }\n}\n\nfunction drainQueue() {\n if (draining) {\n return;\n }\n var timeout = runTimeout(cleanUpNextTick);\n draining = true;\n\n var len = queue.length;\n while(len) {\n currentQueue = queue;\n queue = [];\n while (++queueIndex < len) {\n if (currentQueue) {\n currentQueue[queueIndex].run();\n }\n }\n queueIndex = -1;\n len = queue.length;\n }\n currentQueue = null;\n draining = false;\n runClearTimeout(timeout);\n}\n\nprocess.nextTick = function (fun) {\n var args = new Array(arguments.length - 1);\n if (arguments.length > 1) {\n for (var i = 1; i < arguments.length; i++) {\n args[i - 1] = arguments[i];\n }\n }\n queue.push(new Item(fun, args));\n if (queue.length === 1 && !draining) {\n runTimeout(drainQueue);\n }\n};\n\n// v8 likes predictible objects\nfunction Item(fun, array) {\n this.fun = fun;\n this.array = array;\n}\nItem.prototype.run = function () {\n this.fun.apply(null, this.array);\n};\nprocess.title = 'browser';\nprocess.browser = true;\nprocess.env = {};\nprocess.argv = [];\nprocess.version = ''; // empty string to avoid regexp issues\nprocess.versions = {};\n\nfunction noop() {}\n\nprocess.on = noop;\nprocess.addListener = noop;\nprocess.once = noop;\nprocess.off = noop;\nprocess.removeListener = noop;\nprocess.removeAllListeners = noop;\nprocess.emit = noop;\nprocess.prependListener = noop;\nprocess.prependOnceListener = noop;\n\nprocess.listeners = function (name) { return [] }\n\nprocess.binding = function (name) {\n throw new Error('process.binding is not supported');\n};\n\nprocess.cwd = function () { return '/' };\nprocess.chdir = function (dir) {\n throw new Error('process.chdir is not supported');\n};\nprocess.umask = function() { return 0; };\n","// 21.1.3.18 String.prototype.startsWith(searchString [, position ])\n'use strict';\nvar $export = require('./_export');\nvar toLength = require('./_to-length');\nvar context = require('./_string-context');\nvar STARTS_WITH = 'startsWith';\nvar $startsWith = ''[STARTS_WITH];\n\n$export($export.P + $export.F * require('./_fails-is-regexp')(STARTS_WITH), 'String', {\n startsWith: function startsWith(searchString /* , position = 0 */) {\n var that = context(this, searchString, STARTS_WITH);\n var index = toLength(Math.min(arguments.length > 1 ? arguments[1] : undefined, that.length));\n var search = String(searchString);\n return $startsWith\n ? $startsWith.call(that, search, index)\n : that.slice(index, index + search.length) === search;\n }\n});\n","/**\n * @licstart The following is the entire license notice for the\n * Javascript code in this page\n *\n * Copyright 2020 Mozilla Foundation\n *\n * Licensed under the Apache License, Version 2.0 (the \"License\");\n * you may not use this file except in compliance with the License.\n * You may obtain a copy of the License at\n *\n * http://www.apache.org/licenses/LICENSE-2.0\n *\n * Unless required by applicable law or agreed to in writing, software\n * distributed under the License is distributed on an \"AS IS\" BASIS,\n * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n * See the License for the specific language governing permissions and\n * limitations under the License.\n *\n * @licend The above is the entire license notice for the\n * Javascript code in this page\n */\n\n(function webpackUniversalModuleDefinition(root, factory) {\n\tif(typeof exports === 'object' && typeof module === 'object')\n\t\tmodule.exports = factory();\n\telse if(typeof define === 'function' && define.amd)\n\t\tdefine(\"pdfjs-dist/web/pdf_viewer\", [], factory);\n\telse if(typeof exports === 'object')\n\t\texports[\"pdfjs-dist/web/pdf_viewer\"] = factory();\n\telse\n\t\troot[\"pdfjs-dist/web/pdf_viewer\"] = root.pdfjsViewer = factory();\n})(this, function() {\nreturn /******/ (function(modules) { // webpackBootstrap\n/******/ \t// The module cache\n/******/ \tvar installedModules = {};\n/******/\n/******/ \t// The require function\n/******/ \tfunction __w_pdfjs_require__(moduleId) {\n/******/\n/******/ \t\t// Check if module is in cache\n/******/ \t\tif(installedModules[moduleId]) {\n/******/ \t\t\treturn installedModules[moduleId].exports;\n/******/ \t\t}\n/******/ \t\t// Create a new module (and put it into the cache)\n/******/ \t\tvar module = installedModules[moduleId] = {\n/******/ \t\t\ti: moduleId,\n/******/ \t\t\tl: false,\n/******/ \t\t\texports: {}\n/******/ \t\t};\n/******/\n/******/ \t\t// Execute the module function\n/******/ \t\tmodules[moduleId].call(module.exports, module, module.exports, __w_pdfjs_require__);\n/******/\n/******/ \t\t// Flag the module as loaded\n/******/ \t\tmodule.l = true;\n/******/\n/******/ \t\t// Return the exports of the module\n/******/ \t\treturn module.exports;\n/******/ \t}\n/******/\n/******/\n/******/ \t// expose the modules object (__webpack_modules__)\n/******/ \t__w_pdfjs_require__.m = modules;\n/******/\n/******/ \t// expose the module cache\n/******/ \t__w_pdfjs_require__.c = installedModules;\n/******/\n/******/ \t// define getter function for harmony exports\n/******/ \t__w_pdfjs_require__.d = function(exports, name, getter) {\n/******/ \t\tif(!__w_pdfjs_require__.o(exports, name)) {\n/******/ \t\t\tObject.defineProperty(exports, name, { enumerable: true, get: getter });\n/******/ \t\t}\n/******/ \t};\n/******/\n/******/ \t// define __esModule on exports\n/******/ \t__w_pdfjs_require__.r = function(exports) {\n/******/ \t\tif(typeof Symbol !== 'undefined' && Symbol.toStringTag) {\n/******/ \t\t\tObject.defineProperty(exports, Symbol.toStringTag, { value: 'Module' });\n/******/ \t\t}\n/******/ \t\tObject.defineProperty(exports, '__esModule', { value: true });\n/******/ \t};\n/******/\n/******/ \t// create a fake namespace object\n/******/ \t// mode & 1: value is a module id, require it\n/******/ \t// mode & 2: merge all properties of value into the ns\n/******/ \t// mode & 4: return value when already ns object\n/******/ \t// mode & 8|1: behave like require\n/******/ \t__w_pdfjs_require__.t = function(value, mode) {\n/******/ \t\tif(mode & 1) value = __w_pdfjs_require__(value);\n/******/ \t\tif(mode & 8) return value;\n/******/ \t\tif((mode & 4) && typeof value === 'object' && value && value.__esModule) return value;\n/******/ \t\tvar ns = Object.create(null);\n/******/ \t\t__w_pdfjs_require__.r(ns);\n/******/ \t\tObject.defineProperty(ns, 'default', { enumerable: true, value: value });\n/******/ \t\tif(mode & 2 && typeof value != 'string') for(var key in value) __w_pdfjs_require__.d(ns, key, function(key) { return value[key]; }.bind(null, key));\n/******/ \t\treturn ns;\n/******/ \t};\n/******/\n/******/ \t// getDefaultExport function for compatibility with non-harmony modules\n/******/ \t__w_pdfjs_require__.n = function(module) {\n/******/ \t\tvar getter = module && module.__esModule ?\n/******/ \t\t\tfunction getDefault() { return module['default']; } :\n/******/ \t\t\tfunction getModuleExports() { return module; };\n/******/ \t\t__w_pdfjs_require__.d(getter, 'a', getter);\n/******/ \t\treturn getter;\n/******/ \t};\n/******/\n/******/ \t// Object.prototype.hasOwnProperty.call\n/******/ \t__w_pdfjs_require__.o = function(object, property) { return Object.prototype.hasOwnProperty.call(object, property); };\n/******/\n/******/ \t// __webpack_public_path__\n/******/ \t__w_pdfjs_require__.p = \"\";\n/******/\n/******/\n/******/ \t// Load entry module and return exports\n/******/ \treturn __w_pdfjs_require__(__w_pdfjs_require__.s = 0);\n/******/ })\n/************************************************************************/\n/******/ ([\n/* 0 */\n/***/ (function(module, exports, __w_pdfjs_require__) {\n\n\"use strict\";\n\n\nObject.defineProperty(exports, \"__esModule\", {\n value: true\n});\nObject.defineProperty(exports, \"AnnotationLayerBuilder\", {\n enumerable: true,\n get: function get() {\n return _annotation_layer_builder.AnnotationLayerBuilder;\n }\n});\nObject.defineProperty(exports, \"DefaultAnnotationLayerFactory\", {\n enumerable: true,\n get: function get() {\n return _annotation_layer_builder.DefaultAnnotationLayerFactory;\n }\n});\nObject.defineProperty(exports, \"DefaultTextLayerFactory\", {\n enumerable: true,\n get: function get() {\n return _text_layer_builder.DefaultTextLayerFactory;\n }\n});\nObject.defineProperty(exports, \"TextLayerBuilder\", {\n enumerable: true,\n get: function get() {\n return _text_layer_builder.TextLayerBuilder;\n }\n});\nObject.defineProperty(exports, \"EventBus\", {\n enumerable: true,\n get: function get() {\n return _ui_utils.EventBus;\n }\n});\nObject.defineProperty(exports, \"NullL10n\", {\n enumerable: true,\n get: function get() {\n return _ui_utils.NullL10n;\n }\n});\nObject.defineProperty(exports, \"ProgressBar\", {\n enumerable: true,\n get: function get() {\n return _ui_utils.ProgressBar;\n }\n});\nObject.defineProperty(exports, \"PDFLinkService\", {\n enumerable: true,\n get: function get() {\n return _pdf_link_service.PDFLinkService;\n }\n});\nObject.defineProperty(exports, \"SimpleLinkService\", {\n enumerable: true,\n get: function get() {\n return _pdf_link_service.SimpleLinkService;\n }\n});\nObject.defineProperty(exports, \"DownloadManager\", {\n enumerable: true,\n get: function get() {\n return _download_manager.DownloadManager;\n }\n});\nObject.defineProperty(exports, \"GenericL10n\", {\n enumerable: true,\n get: function get() {\n return _genericl10n.GenericL10n;\n }\n});\nObject.defineProperty(exports, \"PDFFindController\", {\n enumerable: true,\n get: function get() {\n return _pdf_find_controller.PDFFindController;\n }\n});\nObject.defineProperty(exports, \"PDFHistory\", {\n enumerable: true,\n get: function get() {\n return _pdf_history.PDFHistory;\n }\n});\nObject.defineProperty(exports, \"PDFPageView\", {\n enumerable: true,\n get: function get() {\n return _pdf_page_view.PDFPageView;\n }\n});\nObject.defineProperty(exports, \"PDFSinglePageViewer\", {\n enumerable: true,\n get: function get() {\n return _pdf_single_page_viewer.PDFSinglePageViewer;\n }\n});\nObject.defineProperty(exports, \"PDFViewer\", {\n enumerable: true,\n get: function get() {\n return _pdf_viewer.PDFViewer;\n }\n});\n\nvar _annotation_layer_builder = __w_pdfjs_require__(1);\n\nvar _text_layer_builder = __w_pdfjs_require__(8);\n\nvar _ui_utils = __w_pdfjs_require__(3);\n\nvar _pdf_link_service = __w_pdfjs_require__(7);\n\nvar _download_manager = __w_pdfjs_require__(9);\n\nvar _genericl10n = __w_pdfjs_require__(11);\n\nvar _pdf_find_controller = __w_pdfjs_require__(13);\n\nvar _pdf_history = __w_pdfjs_require__(15);\n\nvar _pdf_page_view = __w_pdfjs_require__(16);\n\nvar _pdf_single_page_viewer = __w_pdfjs_require__(18);\n\nvar _pdf_viewer = __w_pdfjs_require__(20);\n\nvar pdfjsVersion = '2.6.347';\nvar pdfjsBuild = '3be9c65f';\n\n/***/ }),\n/* 1 */\n/***/ (function(module, exports, __w_pdfjs_require__) {\n\n\"use strict\";\n\n\nObject.defineProperty(exports, \"__esModule\", {\n value: true\n});\nexports.DefaultAnnotationLayerFactory = exports.AnnotationLayerBuilder = void 0;\n\nvar _pdfjsLib = __w_pdfjs_require__(2);\n\nvar _ui_utils = __w_pdfjs_require__(3);\n\nvar _pdf_link_service = __w_pdfjs_require__(7);\n\nfunction _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError(\"Cannot call a class as a function\"); } }\n\nfunction _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); } }\n\nfunction _createClass(Constructor, protoProps, staticProps) { if (protoProps) _defineProperties(Constructor.prototype, protoProps); if (staticProps) _defineProperties(Constructor, staticProps); return Constructor; }\n\nvar AnnotationLayerBuilder = /*#__PURE__*/function () {\n function AnnotationLayerBuilder(_ref) {\n var pageDiv = _ref.pageDiv,\n pdfPage = _ref.pdfPage,\n linkService = _ref.linkService,\n downloadManager = _ref.downloadManager,\n _ref$annotationStorag = _ref.annotationStorage,\n annotationStorage = _ref$annotationStorag === void 0 ? null : _ref$annotationStorag,\n _ref$imageResourcesPa = _ref.imageResourcesPath,\n imageResourcesPath = _ref$imageResourcesPa === void 0 ? \"\" : _ref$imageResourcesPa,\n _ref$renderInteractiv = _ref.renderInteractiveForms,\n renderInteractiveForms = _ref$renderInteractiv === void 0 ? true : _ref$renderInteractiv,\n _ref$l10n = _ref.l10n,\n l10n = _ref$l10n === void 0 ? _ui_utils.NullL10n : _ref$l10n;\n\n _classCallCheck(this, AnnotationLayerBuilder);\n\n this.pageDiv = pageDiv;\n this.pdfPage = pdfPage;\n this.linkService = linkService;\n this.downloadManager = downloadManager;\n this.imageResourcesPath = imageResourcesPath;\n this.renderInteractiveForms = renderInteractiveForms;\n this.l10n = l10n;\n this.annotationStorage = annotationStorage;\n this.div = null;\n this._cancelled = false;\n }\n\n _createClass(AnnotationLayerBuilder, [{\n key: \"render\",\n value: function render(viewport) {\n var _this = this;\n\n var intent = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : \"display\";\n return this.pdfPage.getAnnotations({\n intent: intent\n }).then(function (annotations) {\n if (_this._cancelled) {\n return;\n }\n\n if (annotations.length === 0) {\n return;\n }\n\n var parameters = {\n viewport: viewport.clone({\n dontFlip: true\n }),\n div: _this.div,\n annotations: annotations,\n page: _this.pdfPage,\n imageResourcesPath: _this.imageResourcesPath,\n renderInteractiveForms: _this.renderInteractiveForms,\n linkService: _this.linkService,\n downloadManager: _this.downloadManager,\n annotationStorage: _this.annotationStorage\n };\n\n if (_this.div) {\n _pdfjsLib.AnnotationLayer.update(parameters);\n } else {\n _this.div = document.createElement(\"div\");\n _this.div.className = \"annotationLayer\";\n\n _this.pageDiv.appendChild(_this.div);\n\n parameters.div = _this.div;\n\n _pdfjsLib.AnnotationLayer.render(parameters);\n\n _this.l10n.translate(_this.div);\n }\n });\n }\n }, {\n key: \"cancel\",\n value: function cancel() {\n this._cancelled = true;\n }\n }, {\n key: \"hide\",\n value: function hide() {\n if (!this.div) {\n return;\n }\n\n this.div.setAttribute(\"hidden\", \"true\");\n }\n }]);\n\n return AnnotationLayerBuilder;\n}();\n\nexports.AnnotationLayerBuilder = AnnotationLayerBuilder;\n\nvar DefaultAnnotationLayerFactory = /*#__PURE__*/function () {\n function DefaultAnnotationLayerFactory() {\n _classCallCheck(this, DefaultAnnotationLayerFactory);\n }\n\n _createClass(DefaultAnnotationLayerFactory, [{\n key: \"createAnnotationLayerBuilder\",\n value: function createAnnotationLayerBuilder(pageDiv, pdfPage) {\n var annotationStorage = arguments.length > 2 && arguments[2] !== undefined ? arguments[2] : null;\n var imageResourcesPath = arguments.length > 3 && arguments[3] !== undefined ? arguments[3] : \"\";\n var renderInteractiveForms = arguments.length > 4 && arguments[4] !== undefined ? arguments[4] : true;\n var l10n = arguments.length > 5 && arguments[5] !== undefined ? arguments[5] : _ui_utils.NullL10n;\n return new AnnotationLayerBuilder({\n pageDiv: pageDiv,\n pdfPage: pdfPage,\n imageResourcesPath: imageResourcesPath,\n renderInteractiveForms: renderInteractiveForms,\n linkService: new _pdf_link_service.SimpleLinkService(),\n l10n: l10n,\n annotationStorage: annotationStorage\n });\n }\n }]);\n\n return DefaultAnnotationLayerFactory;\n}();\n\nexports.DefaultAnnotationLayerFactory = DefaultAnnotationLayerFactory;\n\n/***/ }),\n/* 2 */\n/***/ (function(module, exports, __w_pdfjs_require__) {\n\n\"use strict\";\n\n\nvar pdfjsLib;\n\nif (typeof window !== \"undefined\" && window[\"pdfjs-dist/build/pdf\"]) {\n pdfjsLib = window[\"pdfjs-dist/build/pdf\"];\n} else {\n pdfjsLib = require(\"../build/pdf.js\");\n}\n\nmodule.exports = pdfjsLib;\n\n/***/ }),\n/* 3 */\n/***/ (function(module, exports, __w_pdfjs_require__) {\n\n\"use strict\";\n\n\nObject.defineProperty(exports, \"__esModule\", {\n value: true\n});\nexports.isValidRotation = isValidRotation;\nexports.isValidScrollMode = isValidScrollMode;\nexports.isValidSpreadMode = isValidSpreadMode;\nexports.isPortraitOrientation = isPortraitOrientation;\nexports.clamp = clamp;\nexports.getPDFFileNameFromURL = getPDFFileNameFromURL;\nexports.noContextMenuHandler = noContextMenuHandler;\nexports.parseQueryString = parseQueryString;\nexports.backtrackBeforeAllVisibleElements = backtrackBeforeAllVisibleElements;\nexports.getVisibleElements = getVisibleElements;\nexports.roundToDivide = roundToDivide;\nexports.getPageSizeInches = getPageSizeInches;\nexports.approximateFraction = approximateFraction;\nexports.getOutputScale = getOutputScale;\nexports.scrollIntoView = scrollIntoView;\nexports.watchScroll = watchScroll;\nexports.binarySearchFirstItem = binarySearchFirstItem;\nexports.normalizeWheelEventDirection = normalizeWheelEventDirection;\nexports.normalizeWheelEventDelta = normalizeWheelEventDelta;\nexports.waitOnEventOrTimeout = waitOnEventOrTimeout;\nexports.moveToEndOfArray = moveToEndOfArray;\nexports.WaitOnType = exports.animationStarted = exports.ProgressBar = exports.EventBus = exports.NullL10n = exports.SpreadMode = exports.ScrollMode = exports.TextLayerMode = exports.RendererType = exports.PresentationModeState = exports.VERTICAL_PADDING = exports.SCROLLBAR_PADDING = exports.MAX_AUTO_SCALE = exports.UNKNOWN_SCALE = exports.MAX_SCALE = exports.MIN_SCALE = exports.DEFAULT_SCALE = exports.DEFAULT_SCALE_VALUE = exports.CSS_UNITS = exports.AutoPrintRegExp = void 0;\n\nvar _regenerator = _interopRequireDefault(__w_pdfjs_require__(4));\n\nfunction _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { \"default\": obj }; }\n\nfunction _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError(\"Cannot call a class as a function\"); } }\n\nfunction _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); } }\n\nfunction _createClass(Constructor, protoProps, staticProps) { if (protoProps) _defineProperties(Constructor.prototype, protoProps); if (staticProps) _defineProperties(Constructor, staticProps); return Constructor; }\n\nfunction _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); }\n\nfunction _slicedToArray(arr, i) { return _arrayWithHoles(arr) || _iterableToArrayLimit(arr, i) || _unsupportedIterableToArray(arr, i) || _nonIterableRest(); }\n\nfunction _nonIterableRest() { throw new TypeError(\"Invalid attempt to destructure non-iterable instance.\\nIn order to be iterable, non-array objects must have a [Symbol.iterator]() method.\"); }\n\nfunction _unsupportedIterableToArray(o, minLen) { if (!o) return; if (typeof o === \"string\") return _arrayLikeToArray(o, minLen); var n = Object.prototype.toString.call(o).slice(8, -1); if (n === \"Object\" && o.constructor) n = o.constructor.name; if (n === \"Map\" || n === \"Set\") return Array.from(o); if (n === \"Arguments\" || /^(?:Ui|I)nt(?:8|16|32)(?:Clamped)?Array$/.test(n)) return _arrayLikeToArray(o, minLen); }\n\nfunction _arrayLikeToArray(arr, len) { if (len == null || len > arr.length) len = arr.length; for (var i = 0, arr2 = new Array(len); i < len; i++) { arr2[i] = arr[i]; } return arr2; }\n\nfunction _iterableToArrayLimit(arr, i) { if (typeof Symbol === \"undefined\" || !(Symbol.iterator in Object(arr))) return; var _arr = []; var _n = true; var _d = false; var _e = undefined; try { for (var _i = arr[Symbol.iterator](), _s; !(_n = (_s = _i.next()).done); _n = true) { _arr.push(_s.value); if (i && _arr.length === i) break; } } catch (err) { _d = true; _e = err; } finally { try { if (!_n && _i[\"return\"] != null) _i[\"return\"](); } finally { if (_d) throw _e; } } return _arr; }\n\nfunction _arrayWithHoles(arr) { if (Array.isArray(arr)) return arr; }\n\nfunction asyncGeneratorStep(gen, resolve, reject, _next, _throw, key, arg) { try { var info = gen[key](arg); var value = info.value; } catch (error) { reject(error); return; } if (info.done) { resolve(value); } else { Promise.resolve(value).then(_next, _throw); } }\n\nfunction _asyncToGenerator(fn) { return function () { var self = this, args = arguments; return new Promise(function (resolve, reject) { var gen = fn.apply(self, args); function _next(value) { asyncGeneratorStep(gen, resolve, reject, _next, _throw, \"next\", value); } function _throw(err) { asyncGeneratorStep(gen, resolve, reject, _next, _throw, \"throw\", err); } _next(undefined); }); }; }\n\nvar CSS_UNITS = 96.0 / 72.0;\nexports.CSS_UNITS = CSS_UNITS;\nvar DEFAULT_SCALE_VALUE = \"auto\";\nexports.DEFAULT_SCALE_VALUE = DEFAULT_SCALE_VALUE;\nvar DEFAULT_SCALE = 1.0;\nexports.DEFAULT_SCALE = DEFAULT_SCALE;\nvar MIN_SCALE = 0.1;\nexports.MIN_SCALE = MIN_SCALE;\nvar MAX_SCALE = 10.0;\nexports.MAX_SCALE = MAX_SCALE;\nvar UNKNOWN_SCALE = 0;\nexports.UNKNOWN_SCALE = UNKNOWN_SCALE;\nvar MAX_AUTO_SCALE = 1.25;\nexports.MAX_AUTO_SCALE = MAX_AUTO_SCALE;\nvar SCROLLBAR_PADDING = 40;\nexports.SCROLLBAR_PADDING = SCROLLBAR_PADDING;\nvar VERTICAL_PADDING = 5;\nexports.VERTICAL_PADDING = VERTICAL_PADDING;\nvar PresentationModeState = {\n UNKNOWN: 0,\n NORMAL: 1,\n CHANGING: 2,\n FULLSCREEN: 3\n};\nexports.PresentationModeState = PresentationModeState;\nvar RendererType = {\n CANVAS: \"canvas\",\n SVG: \"svg\"\n};\nexports.RendererType = RendererType;\nvar TextLayerMode = {\n DISABLE: 0,\n ENABLE: 1,\n ENABLE_ENHANCE: 2\n};\nexports.TextLayerMode = TextLayerMode;\nvar ScrollMode = {\n UNKNOWN: -1,\n VERTICAL: 0,\n HORIZONTAL: 1,\n WRAPPED: 2\n};\nexports.ScrollMode = ScrollMode;\nvar SpreadMode = {\n UNKNOWN: -1,\n NONE: 0,\n ODD: 1,\n EVEN: 2\n};\nexports.SpreadMode = SpreadMode;\nvar AutoPrintRegExp = /\\bprint\\s*\\(/;\nexports.AutoPrintRegExp = AutoPrintRegExp;\n\nfunction formatL10nValue(text, args) {\n if (!args) {\n return text;\n }\n\n return text.replace(/\\{\\{\\s*(\\w+)\\s*\\}\\}/g, function (all, name) {\n return name in args ? args[name] : \"{{\" + name + \"}}\";\n });\n}\n\nvar NullL10n = {\n getLanguage: function getLanguage() {\n return _asyncToGenerator( /*#__PURE__*/_regenerator[\"default\"].mark(function _callee() {\n return _regenerator[\"default\"].wrap(function _callee$(_context) {\n while (1) {\n switch (_context.prev = _context.next) {\n case 0:\n return _context.abrupt(\"return\", \"en-us\");\n\n case 1:\n case \"end\":\n return _context.stop();\n }\n }\n }, _callee);\n }))();\n },\n getDirection: function getDirection() {\n return _asyncToGenerator( /*#__PURE__*/_regenerator[\"default\"].mark(function _callee2() {\n return _regenerator[\"default\"].wrap(function _callee2$(_context2) {\n while (1) {\n switch (_context2.prev = _context2.next) {\n case 0:\n return _context2.abrupt(\"return\", \"ltr\");\n\n case 1:\n case \"end\":\n return _context2.stop();\n }\n }\n }, _callee2);\n }))();\n },\n get: function get(property, args, fallback) {\n return _asyncToGenerator( /*#__PURE__*/_regenerator[\"default\"].mark(function _callee3() {\n return _regenerator[\"default\"].wrap(function _callee3$(_context3) {\n while (1) {\n switch (_context3.prev = _context3.next) {\n case 0:\n return _context3.abrupt(\"return\", formatL10nValue(fallback, args));\n\n case 1:\n case \"end\":\n return _context3.stop();\n }\n }\n }, _callee3);\n }))();\n },\n translate: function translate(element) {\n return _asyncToGenerator( /*#__PURE__*/_regenerator[\"default\"].mark(function _callee4() {\n return _regenerator[\"default\"].wrap(function _callee4$(_context4) {\n while (1) {\n switch (_context4.prev = _context4.next) {\n case 0:\n case \"end\":\n return _context4.stop();\n }\n }\n }, _callee4);\n }))();\n }\n};\nexports.NullL10n = NullL10n;\n\nfunction getOutputScale(ctx) {\n var devicePixelRatio = window.devicePixelRatio || 1;\n var backingStoreRatio = ctx.webkitBackingStorePixelRatio || ctx.mozBackingStorePixelRatio || ctx.msBackingStorePixelRatio || ctx.oBackingStorePixelRatio || ctx.backingStorePixelRatio || 1;\n var pixelRatio = devicePixelRatio / backingStoreRatio;\n return {\n sx: pixelRatio,\n sy: pixelRatio,\n scaled: pixelRatio !== 1\n };\n}\n\nfunction scrollIntoView(element, spot) {\n var skipOverflowHiddenElements = arguments.length > 2 && arguments[2] !== undefined ? arguments[2] : false;\n var parent = element.offsetParent;\n\n if (!parent) {\n console.error(\"offsetParent is not set -- cannot scroll\");\n return;\n }\n\n var offsetY = element.offsetTop + element.clientTop;\n var offsetX = element.offsetLeft + element.clientLeft;\n\n while (parent.clientHeight === parent.scrollHeight && parent.clientWidth === parent.scrollWidth || skipOverflowHiddenElements && getComputedStyle(parent).overflow === \"hidden\") {\n if (parent.dataset._scaleY) {\n offsetY /= parent.dataset._scaleY;\n offsetX /= parent.dataset._scaleX;\n }\n\n offsetY += parent.offsetTop;\n offsetX += parent.offsetLeft;\n parent = parent.offsetParent;\n\n if (!parent) {\n return;\n }\n }\n\n if (spot) {\n if (spot.top !== undefined) {\n offsetY += spot.top;\n }\n\n if (spot.left !== undefined) {\n offsetX += spot.left;\n parent.scrollLeft = offsetX;\n }\n }\n\n parent.scrollTop = offsetY;\n}\n\nfunction watchScroll(viewAreaElement, callback) {\n var debounceScroll = function debounceScroll(evt) {\n if (rAF) {\n return;\n }\n\n rAF = window.requestAnimationFrame(function viewAreaElementScrolled() {\n rAF = null;\n var currentX = viewAreaElement.scrollLeft;\n var lastX = state.lastX;\n\n if (currentX !== lastX) {\n state.right = currentX > lastX;\n }\n\n state.lastX = currentX;\n var currentY = viewAreaElement.scrollTop;\n var lastY = state.lastY;\n\n if (currentY !== lastY) {\n state.down = currentY > lastY;\n }\n\n state.lastY = currentY;\n callback(state);\n });\n };\n\n var state = {\n right: true,\n down: true,\n lastX: viewAreaElement.scrollLeft,\n lastY: viewAreaElement.scrollTop,\n _eventHandler: debounceScroll\n };\n var rAF = null;\n viewAreaElement.addEventListener(\"scroll\", debounceScroll, true);\n return state;\n}\n\nfunction parseQueryString(query) {\n var parts = query.split(\"&\");\n var params = Object.create(null);\n\n for (var i = 0, ii = parts.length; i < ii; ++i) {\n var param = parts[i].split(\"=\");\n var key = param[0].toLowerCase();\n var value = param.length > 1 ? param[1] : null;\n params[decodeURIComponent(key)] = decodeURIComponent(value);\n }\n\n return params;\n}\n\nfunction binarySearchFirstItem(items, condition) {\n var minIndex = 0;\n var maxIndex = items.length - 1;\n\n if (maxIndex < 0 || !condition(items[maxIndex])) {\n return items.length;\n }\n\n if (condition(items[minIndex])) {\n return minIndex;\n }\n\n while (minIndex < maxIndex) {\n var currentIndex = minIndex + maxIndex >> 1;\n var currentItem = items[currentIndex];\n\n if (condition(currentItem)) {\n maxIndex = currentIndex;\n } else {\n minIndex = currentIndex + 1;\n }\n }\n\n return minIndex;\n}\n\nfunction approximateFraction(x) {\n if (Math.floor(x) === x) {\n return [x, 1];\n }\n\n var xinv = 1 / x;\n var limit = 8;\n\n if (xinv > limit) {\n return [1, limit];\n } else if (Math.floor(xinv) === xinv) {\n return [1, xinv];\n }\n\n var x_ = x > 1 ? xinv : x;\n var a = 0,\n b = 1,\n c = 1,\n d = 1;\n\n while (true) {\n var p = a + c,\n q = b + d;\n\n if (q > limit) {\n break;\n }\n\n if (x_ <= p / q) {\n c = p;\n d = q;\n } else {\n a = p;\n b = q;\n }\n }\n\n var result;\n\n if (x_ - a / b < c / d - x_) {\n result = x_ === x ? [a, b] : [b, a];\n } else {\n result = x_ === x ? [c, d] : [d, c];\n }\n\n return result;\n}\n\nfunction roundToDivide(x, div) {\n var r = x % div;\n return r === 0 ? x : Math.round(x - r + div);\n}\n\nfunction getPageSizeInches(_ref) {\n var view = _ref.view,\n userUnit = _ref.userUnit,\n rotate = _ref.rotate;\n\n var _view = _slicedToArray(view, 4),\n x1 = _view[0],\n y1 = _view[1],\n x2 = _view[2],\n y2 = _view[3];\n\n var changeOrientation = rotate % 180 !== 0;\n var width = (x2 - x1) / 72 * userUnit;\n var height = (y2 - y1) / 72 * userUnit;\n return {\n width: changeOrientation ? height : width,\n height: changeOrientation ? width : height\n };\n}\n\nfunction backtrackBeforeAllVisibleElements(index, views, top) {\n if (index < 2) {\n return index;\n }\n\n var elt = views[index].div;\n var pageTop = elt.offsetTop + elt.clientTop;\n\n if (pageTop >= top) {\n elt = views[index - 1].div;\n pageTop = elt.offsetTop + elt.clientTop;\n }\n\n for (var i = index - 2; i >= 0; --i) {\n elt = views[i].div;\n\n if (elt.offsetTop + elt.clientTop + elt.clientHeight <= pageTop) {\n break;\n }\n\n index = i;\n }\n\n return index;\n}\n\nfunction getVisibleElements(scrollEl, views) {\n var sortByVisibility = arguments.length > 2 && arguments[2] !== undefined ? arguments[2] : false;\n var horizontal = arguments.length > 3 && arguments[3] !== undefined ? arguments[3] : false;\n var top = scrollEl.scrollTop,\n bottom = top + scrollEl.clientHeight;\n var left = scrollEl.scrollLeft,\n right = left + scrollEl.clientWidth;\n\n function isElementBottomAfterViewTop(view) {\n var element = view.div;\n var elementBottom = element.offsetTop + element.clientTop + element.clientHeight;\n return elementBottom > top;\n }\n\n function isElementRightAfterViewLeft(view) {\n var element = view.div;\n var elementRight = element.offsetLeft + element.clientLeft + element.clientWidth;\n return elementRight > left;\n }\n\n var visible = [],\n numViews = views.length;\n var firstVisibleElementInd = numViews === 0 ? 0 : binarySearchFirstItem(views, horizontal ? isElementRightAfterViewLeft : isElementBottomAfterViewTop);\n\n if (firstVisibleElementInd > 0 && firstVisibleElementInd < numViews && !horizontal) {\n firstVisibleElementInd = backtrackBeforeAllVisibleElements(firstVisibleElementInd, views, top);\n }\n\n var lastEdge = horizontal ? right : -1;\n\n for (var i = firstVisibleElementInd; i < numViews; i++) {\n var view = views[i],\n element = view.div;\n var currentWidth = element.offsetLeft + element.clientLeft;\n var currentHeight = element.offsetTop + element.clientTop;\n var viewWidth = element.clientWidth,\n viewHeight = element.clientHeight;\n var viewRight = currentWidth + viewWidth;\n var viewBottom = currentHeight + viewHeight;\n\n if (lastEdge === -1) {\n if (viewBottom >= bottom) {\n lastEdge = viewBottom;\n }\n } else if ((horizontal ? currentWidth : currentHeight) > lastEdge) {\n break;\n }\n\n if (viewBottom <= top || currentHeight >= bottom || viewRight <= left || currentWidth >= right) {\n continue;\n }\n\n var hiddenHeight = Math.max(0, top - currentHeight) + Math.max(0, viewBottom - bottom);\n var hiddenWidth = Math.max(0, left - currentWidth) + Math.max(0, viewRight - right);\n var percent = (viewHeight - hiddenHeight) * (viewWidth - hiddenWidth) * 100 / viewHeight / viewWidth | 0;\n visible.push({\n id: view.id,\n x: currentWidth,\n y: currentHeight,\n view: view,\n percent: percent\n });\n }\n\n var first = visible[0],\n last = visible[visible.length - 1];\n\n if (sortByVisibility) {\n visible.sort(function (a, b) {\n var pc = a.percent - b.percent;\n\n if (Math.abs(pc) > 0.001) {\n return -pc;\n }\n\n return a.id - b.id;\n });\n }\n\n return {\n first: first,\n last: last,\n views: visible\n };\n}\n\nfunction noContextMenuHandler(evt) {\n evt.preventDefault();\n}\n\nfunction isDataSchema(url) {\n var i = 0;\n var ii = url.length;\n\n while (i < ii && url[i].trim() === \"\") {\n i++;\n }\n\n return url.substring(i, i + 5).toLowerCase() === \"data:\";\n}\n\nfunction getPDFFileNameFromURL(url) {\n var defaultFilename = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : \"document.pdf\";\n\n if (typeof url !== \"string\") {\n return defaultFilename;\n }\n\n if (isDataSchema(url)) {\n console.warn(\"getPDFFileNameFromURL: \" + 'ignoring \"data:\" URL for performance reasons.');\n return defaultFilename;\n }\n\n var reURI = /^(?:(?:[^:]+:)?\\/\\/[^\\/]+)?([^?#]*)(\\?[^#]*)?(#.*)?$/;\n var reFilename = /[^\\/?#=]+\\.pdf\\b(?!.*\\.pdf\\b)/i;\n var splitURI = reURI.exec(url);\n var suggestedFilename = reFilename.exec(splitURI[1]) || reFilename.exec(splitURI[2]) || reFilename.exec(splitURI[3]);\n\n if (suggestedFilename) {\n suggestedFilename = suggestedFilename[0];\n\n if (suggestedFilename.includes(\"%\")) {\n try {\n suggestedFilename = reFilename.exec(decodeURIComponent(suggestedFilename))[0];\n } catch (ex) {}\n }\n }\n\n return suggestedFilename || defaultFilename;\n}\n\nfunction normalizeWheelEventDirection(evt) {\n var delta = Math.sqrt(evt.deltaX * evt.deltaX + evt.deltaY * evt.deltaY);\n var angle = Math.atan2(evt.deltaY, evt.deltaX);\n\n if (-0.25 * Math.PI < angle && angle < 0.75 * Math.PI) {\n delta = -delta;\n }\n\n return delta;\n}\n\nfunction normalizeWheelEventDelta(evt) {\n var delta = normalizeWheelEventDirection(evt);\n var MOUSE_DOM_DELTA_PIXEL_MODE = 0;\n var MOUSE_DOM_DELTA_LINE_MODE = 1;\n var MOUSE_PIXELS_PER_LINE = 30;\n var MOUSE_LINES_PER_PAGE = 30;\n\n if (evt.deltaMode === MOUSE_DOM_DELTA_PIXEL_MODE) {\n delta /= MOUSE_PIXELS_PER_LINE * MOUSE_LINES_PER_PAGE;\n } else if (evt.deltaMode === MOUSE_DOM_DELTA_LINE_MODE) {\n delta /= MOUSE_LINES_PER_PAGE;\n }\n\n return delta;\n}\n\nfunction isValidRotation(angle) {\n return Number.isInteger(angle) && angle % 90 === 0;\n}\n\nfunction isValidScrollMode(mode) {\n return Number.isInteger(mode) && Object.values(ScrollMode).includes(mode) && mode !== ScrollMode.UNKNOWN;\n}\n\nfunction isValidSpreadMode(mode) {\n return Number.isInteger(mode) && Object.values(SpreadMode).includes(mode) && mode !== SpreadMode.UNKNOWN;\n}\n\nfunction isPortraitOrientation(size) {\n return size.width <= size.height;\n}\n\nvar WaitOnType = {\n EVENT: \"event\",\n TIMEOUT: \"timeout\"\n};\nexports.WaitOnType = WaitOnType;\n\nfunction waitOnEventOrTimeout(_ref2) {\n var target = _ref2.target,\n name = _ref2.name,\n _ref2$delay = _ref2.delay,\n delay = _ref2$delay === void 0 ? 0 : _ref2$delay;\n return new Promise(function (resolve, reject) {\n if (_typeof(target) !== \"object\" || !(name && typeof name === \"string\") || !(Number.isInteger(delay) && delay >= 0)) {\n throw new Error(\"waitOnEventOrTimeout - invalid parameters.\");\n }\n\n function handler(type) {\n if (target instanceof EventBus) {\n target._off(name, eventHandler);\n } else {\n target.removeEventListener(name, eventHandler);\n }\n\n if (timeout) {\n clearTimeout(timeout);\n }\n\n resolve(type);\n }\n\n var eventHandler = handler.bind(null, WaitOnType.EVENT);\n\n if (target instanceof EventBus) {\n target._on(name, eventHandler);\n } else {\n target.addEventListener(name, eventHandler);\n }\n\n var timeoutHandler = handler.bind(null, WaitOnType.TIMEOUT);\n var timeout = setTimeout(timeoutHandler, delay);\n });\n}\n\nvar animationStarted = new Promise(function (resolve) {\n window.requestAnimationFrame(resolve);\n});\nexports.animationStarted = animationStarted;\n\nfunction dispatchDOMEvent(eventName) {\n var args = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : null;\n throw new Error(\"Not implemented: dispatchDOMEvent\");\n}\n\nvar EventBus = /*#__PURE__*/function () {\n function EventBus(options) {\n _classCallCheck(this, EventBus);\n\n this._listeners = Object.create(null);\n }\n\n _createClass(EventBus, [{\n key: \"on\",\n value: function on(eventName, listener) {\n this._on(eventName, listener, {\n external: true\n });\n }\n }, {\n key: \"off\",\n value: function off(eventName, listener) {\n this._off(eventName, listener, {\n external: true\n });\n }\n }, {\n key: \"dispatch\",\n value: function dispatch(eventName) {\n var eventListeners = this._listeners[eventName];\n\n if (!eventListeners || eventListeners.length === 0) {\n return;\n }\n\n var args = Array.prototype.slice.call(arguments, 1);\n var externalListeners;\n eventListeners.slice(0).forEach(function (_ref3) {\n var listener = _ref3.listener,\n external = _ref3.external;\n\n if (external) {\n if (!externalListeners) {\n externalListeners = [];\n }\n\n externalListeners.push(listener);\n return;\n }\n\n listener.apply(null, args);\n });\n\n if (externalListeners) {\n externalListeners.forEach(function (listener) {\n listener.apply(null, args);\n });\n externalListeners = null;\n }\n }\n }, {\n key: \"_on\",\n value: function _on(eventName, listener) {\n var options = arguments.length > 2 && arguments[2] !== undefined ? arguments[2] : null;\n var eventListeners = this._listeners[eventName];\n\n if (!eventListeners) {\n this._listeners[eventName] = eventListeners = [];\n }\n\n eventListeners.push({\n listener: listener,\n external: (options && options.external) === true\n });\n }\n }, {\n key: \"_off\",\n value: function _off(eventName, listener) {\n var options = arguments.length > 2 && arguments[2] !== undefined ? arguments[2] : null;\n var eventListeners = this._listeners[eventName];\n\n if (!eventListeners) {\n return;\n }\n\n for (var i = 0, ii = eventListeners.length; i < ii; i++) {\n if (eventListeners[i].listener === listener) {\n eventListeners.splice(i, 1);\n return;\n }\n }\n }\n }]);\n\n return EventBus;\n}();\n\nexports.EventBus = EventBus;\n\nfunction clamp(v, min, max) {\n return Math.min(Math.max(v, min), max);\n}\n\nvar ProgressBar = /*#__PURE__*/function () {\n function ProgressBar(id) {\n var _ref4 = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : {},\n height = _ref4.height,\n width = _ref4.width,\n units = _ref4.units;\n\n _classCallCheck(this, ProgressBar);\n\n this.visible = true;\n this.div = document.querySelector(id + \" .progress\");\n this.bar = this.div.parentNode;\n this.height = height || 100;\n this.width = width || 100;\n this.units = units || \"%\";\n this.div.style.height = this.height + this.units;\n this.percent = 0;\n }\n\n _createClass(ProgressBar, [{\n key: \"_updateBar\",\n value: function _updateBar() {\n if (this._indeterminate) {\n this.div.classList.add(\"indeterminate\");\n this.div.style.width = this.width + this.units;\n return;\n }\n\n this.div.classList.remove(\"indeterminate\");\n var progressSize = this.width * this._percent / 100;\n this.div.style.width = progressSize + this.units;\n }\n }, {\n key: \"setWidth\",\n value: function setWidth(viewer) {\n if (!viewer) {\n return;\n }\n\n var container = viewer.parentNode;\n var scrollbarWidth = container.offsetWidth - viewer.offsetWidth;\n\n if (scrollbarWidth > 0) {\n this.bar.style.width = \"calc(100% - \".concat(scrollbarWidth, \"px)\");\n }\n }\n }, {\n key: \"hide\",\n value: function hide() {\n if (!this.visible) {\n return;\n }\n\n this.visible = false;\n this.bar.classList.add(\"hidden\");\n document.body.classList.remove(\"loadingInProgress\");\n }\n }, {\n key: \"show\",\n value: function show() {\n if (this.visible) {\n return;\n }\n\n this.visible = true;\n document.body.classList.add(\"loadingInProgress\");\n this.bar.classList.remove(\"hidden\");\n }\n }, {\n key: \"percent\",\n get: function get() {\n return this._percent;\n },\n set: function set(val) {\n this._indeterminate = isNaN(val);\n this._percent = clamp(val, 0, 100);\n\n this._updateBar();\n }\n }]);\n\n return ProgressBar;\n}();\n\nexports.ProgressBar = ProgressBar;\n\nfunction moveToEndOfArray(arr, condition) {\n var moved = [],\n len = arr.length;\n var write = 0;\n\n for (var read = 0; read < len; ++read) {\n if (condition(arr[read])) {\n moved.push(arr[read]);\n } else {\n arr[write] = arr[read];\n ++write;\n }\n }\n\n for (var _read = 0; write < len; ++_read, ++write) {\n arr[write] = moved[_read];\n }\n}\n\n/***/ }),\n/* 4 */\n/***/ (function(module, exports, __w_pdfjs_require__) {\n\n\"use strict\";\n\n\nmodule.exports = __w_pdfjs_require__(5);\n\n/***/ }),\n/* 5 */\n/***/ (function(module, exports, __w_pdfjs_require__) {\n\n\"use strict\";\n/* WEBPACK VAR INJECTION */(function(module) {\n\nfunction _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); }\n\nvar runtime = function (exports) {\n \"use strict\";\n\n var Op = Object.prototype;\n var hasOwn = Op.hasOwnProperty;\n var undefined;\n var $Symbol = typeof Symbol === \"function\" ? Symbol : {};\n var iteratorSymbol = $Symbol.iterator || \"@@iterator\";\n var asyncIteratorSymbol = $Symbol.asyncIterator || \"@@asyncIterator\";\n var toStringTagSymbol = $Symbol.toStringTag || \"@@toStringTag\";\n\n function define(obj, key, value) {\n Object.defineProperty(obj, key, {\n value: value,\n enumerable: true,\n configurable: true,\n writable: true\n });\n return obj[key];\n }\n\n try {\n define({}, \"\");\n } catch (err) {\n define = function define(obj, key, value) {\n return obj[key] = value;\n };\n }\n\n function wrap(innerFn, outerFn, self, tryLocsList) {\n var protoGenerator = outerFn && outerFn.prototype instanceof Generator ? outerFn : Generator;\n var generator = Object.create(protoGenerator.prototype);\n var context = new Context(tryLocsList || []);\n generator._invoke = makeInvokeMethod(innerFn, self, context);\n return generator;\n }\n\n exports.wrap = wrap;\n\n function tryCatch(fn, obj, arg) {\n try {\n return {\n type: \"normal\",\n arg: fn.call(obj, arg)\n };\n } catch (err) {\n return {\n type: \"throw\",\n arg: err\n };\n }\n }\n\n var GenStateSuspendedStart = \"suspendedStart\";\n var GenStateSuspendedYield = \"suspendedYield\";\n var GenStateExecuting = \"executing\";\n var GenStateCompleted = \"completed\";\n var ContinueSentinel = {};\n\n function Generator() {}\n\n function GeneratorFunction() {}\n\n function GeneratorFunctionPrototype() {}\n\n var IteratorPrototype = {};\n\n IteratorPrototype[iteratorSymbol] = function () {\n return this;\n };\n\n var getProto = Object.getPrototypeOf;\n var NativeIteratorPrototype = getProto && getProto(getProto(values([])));\n\n if (NativeIteratorPrototype && NativeIteratorPrototype !== Op && hasOwn.call(NativeIteratorPrototype, iteratorSymbol)) {\n IteratorPrototype = NativeIteratorPrototype;\n }\n\n var Gp = GeneratorFunctionPrototype.prototype = Generator.prototype = Object.create(IteratorPrototype);\n GeneratorFunction.prototype = Gp.constructor = GeneratorFunctionPrototype;\n GeneratorFunctionPrototype.constructor = GeneratorFunction;\n GeneratorFunction.displayName = define(GeneratorFunctionPrototype, toStringTagSymbol, \"GeneratorFunction\");\n\n function defineIteratorMethods(prototype) {\n [\"next\", \"throw\", \"return\"].forEach(function (method) {\n define(prototype, method, function (arg) {\n return this._invoke(method, arg);\n });\n });\n }\n\n exports.isGeneratorFunction = function (genFun) {\n var ctor = typeof genFun === \"function\" && genFun.constructor;\n return ctor ? ctor === GeneratorFunction || (ctor.displayName || ctor.name) === \"GeneratorFunction\" : false;\n };\n\n exports.mark = function (genFun) {\n if (Object.setPrototypeOf) {\n Object.setPrototypeOf(genFun, GeneratorFunctionPrototype);\n } else {\n genFun.__proto__ = GeneratorFunctionPrototype;\n define(genFun, toStringTagSymbol, \"GeneratorFunction\");\n }\n\n genFun.prototype = Object.create(Gp);\n return genFun;\n };\n\n exports.awrap = function (arg) {\n return {\n __await: arg\n };\n };\n\n function AsyncIterator(generator, PromiseImpl) {\n function invoke(method, arg, resolve, reject) {\n var record = tryCatch(generator[method], generator, arg);\n\n if (record.type === \"throw\") {\n reject(record.arg);\n } else {\n var result = record.arg;\n var value = result.value;\n\n if (value && _typeof(value) === \"object\" && hasOwn.call(value, \"__await\")) {\n return PromiseImpl.resolve(value.__await).then(function (value) {\n invoke(\"next\", value, resolve, reject);\n }, function (err) {\n invoke(\"throw\", err, resolve, reject);\n });\n }\n\n return PromiseImpl.resolve(value).then(function (unwrapped) {\n result.value = unwrapped;\n resolve(result);\n }, function (error) {\n return invoke(\"throw\", error, resolve, reject);\n });\n }\n }\n\n var previousPromise;\n\n function enqueue(method, arg) {\n function callInvokeWithMethodAndArg() {\n return new PromiseImpl(function (resolve, reject) {\n invoke(method, arg, resolve, reject);\n });\n }\n\n return previousPromise = previousPromise ? previousPromise.then(callInvokeWithMethodAndArg, callInvokeWithMethodAndArg) : callInvokeWithMethodAndArg();\n }\n\n this._invoke = enqueue;\n }\n\n defineIteratorMethods(AsyncIterator.prototype);\n\n AsyncIterator.prototype[asyncIteratorSymbol] = function () {\n return this;\n };\n\n exports.AsyncIterator = AsyncIterator;\n\n exports.async = function (innerFn, outerFn, self, tryLocsList, PromiseImpl) {\n if (PromiseImpl === void 0) PromiseImpl = Promise;\n var iter = new AsyncIterator(wrap(innerFn, outerFn, self, tryLocsList), PromiseImpl);\n return exports.isGeneratorFunction(outerFn) ? iter : iter.next().then(function (result) {\n return result.done ? result.value : iter.next();\n });\n };\n\n function makeInvokeMethod(innerFn, self, context) {\n var state = GenStateSuspendedStart;\n return function invoke(method, arg) {\n if (state === GenStateExecuting) {\n throw new Error(\"Generator is already running\");\n }\n\n if (state === GenStateCompleted) {\n if (method === \"throw\") {\n throw arg;\n }\n\n return doneResult();\n }\n\n context.method = method;\n context.arg = arg;\n\n while (true) {\n var delegate = context.delegate;\n\n if (delegate) {\n var delegateResult = maybeInvokeDelegate(delegate, context);\n\n if (delegateResult) {\n if (delegateResult === ContinueSentinel) continue;\n return delegateResult;\n }\n }\n\n if (context.method === \"next\") {\n context.sent = context._sent = context.arg;\n } else if (context.method === \"throw\") {\n if (state === GenStateSuspendedStart) {\n state = GenStateCompleted;\n throw context.arg;\n }\n\n context.dispatchException(context.arg);\n } else if (context.method === \"return\") {\n context.abrupt(\"return\", context.arg);\n }\n\n state = GenStateExecuting;\n var record = tryCatch(innerFn, self, context);\n\n if (record.type === \"normal\") {\n state = context.done ? GenStateCompleted : GenStateSuspendedYield;\n\n if (record.arg === ContinueSentinel) {\n continue;\n }\n\n return {\n value: record.arg,\n done: context.done\n };\n } else if (record.type === \"throw\") {\n state = GenStateCompleted;\n context.method = \"throw\";\n context.arg = record.arg;\n }\n }\n };\n }\n\n function maybeInvokeDelegate(delegate, context) {\n var method = delegate.iterator[context.method];\n\n if (method === undefined) {\n context.delegate = null;\n\n if (context.method === \"throw\") {\n if (delegate.iterator[\"return\"]) {\n context.method = \"return\";\n context.arg = undefined;\n maybeInvokeDelegate(delegate, context);\n\n if (context.method === \"throw\") {\n return ContinueSentinel;\n }\n }\n\n context.method = \"throw\";\n context.arg = new TypeError(\"The iterator does not provide a 'throw' method\");\n }\n\n return ContinueSentinel;\n }\n\n var record = tryCatch(method, delegate.iterator, context.arg);\n\n if (record.type === \"throw\") {\n context.method = \"throw\";\n context.arg = record.arg;\n context.delegate = null;\n return ContinueSentinel;\n }\n\n var info = record.arg;\n\n if (!info) {\n context.method = \"throw\";\n context.arg = new TypeError(\"iterator result is not an object\");\n context.delegate = null;\n return ContinueSentinel;\n }\n\n if (info.done) {\n context[delegate.resultName] = info.value;\n context.next = delegate.nextLoc;\n\n if (context.method !== \"return\") {\n context.method = \"next\";\n context.arg = undefined;\n }\n } else {\n return info;\n }\n\n context.delegate = null;\n return ContinueSentinel;\n }\n\n defineIteratorMethods(Gp);\n define(Gp, toStringTagSymbol, \"Generator\");\n\n Gp[iteratorSymbol] = function () {\n return this;\n };\n\n Gp.toString = function () {\n return \"[object Generator]\";\n };\n\n function pushTryEntry(locs) {\n var entry = {\n tryLoc: locs[0]\n };\n\n if (1 in locs) {\n entry.catchLoc = locs[1];\n }\n\n if (2 in locs) {\n entry.finallyLoc = locs[2];\n entry.afterLoc = locs[3];\n }\n\n this.tryEntries.push(entry);\n }\n\n function resetTryEntry(entry) {\n var record = entry.completion || {};\n record.type = \"normal\";\n delete record.arg;\n entry.completion = record;\n }\n\n function Context(tryLocsList) {\n this.tryEntries = [{\n tryLoc: \"root\"\n }];\n tryLocsList.forEach(pushTryEntry, this);\n this.reset(true);\n }\n\n exports.keys = function (object) {\n var keys = [];\n\n for (var key in object) {\n keys.push(key);\n }\n\n keys.reverse();\n return function next() {\n while (keys.length) {\n var key = keys.pop();\n\n if (key in object) {\n next.value = key;\n next.done = false;\n return next;\n }\n }\n\n next.done = true;\n return next;\n };\n };\n\n function values(iterable) {\n if (iterable) {\n var iteratorMethod = iterable[iteratorSymbol];\n\n if (iteratorMethod) {\n return iteratorMethod.call(iterable);\n }\n\n if (typeof iterable.next === \"function\") {\n return iterable;\n }\n\n if (!isNaN(iterable.length)) {\n var i = -1,\n next = function next() {\n while (++i < iterable.length) {\n if (hasOwn.call(iterable, i)) {\n next.value = iterable[i];\n next.done = false;\n return next;\n }\n }\n\n next.value = undefined;\n next.done = true;\n return next;\n };\n\n return next.next = next;\n }\n }\n\n return {\n next: doneResult\n };\n }\n\n exports.values = values;\n\n function doneResult() {\n return {\n value: undefined,\n done: true\n };\n }\n\n Context.prototype = {\n constructor: Context,\n reset: function reset(skipTempReset) {\n this.prev = 0;\n this.next = 0;\n this.sent = this._sent = undefined;\n this.done = false;\n this.delegate = null;\n this.method = \"next\";\n this.arg = undefined;\n this.tryEntries.forEach(resetTryEntry);\n\n if (!skipTempReset) {\n for (var name in this) {\n if (name.charAt(0) === \"t\" && hasOwn.call(this, name) && !isNaN(+name.slice(1))) {\n this[name] = undefined;\n }\n }\n }\n },\n stop: function stop() {\n this.done = true;\n var rootEntry = this.tryEntries[0];\n var rootRecord = rootEntry.completion;\n\n if (rootRecord.type === \"throw\") {\n throw rootRecord.arg;\n }\n\n return this.rval;\n },\n dispatchException: function dispatchException(exception) {\n if (this.done) {\n throw exception;\n }\n\n var context = this;\n\n function handle(loc, caught) {\n record.type = \"throw\";\n record.arg = exception;\n context.next = loc;\n\n if (caught) {\n context.method = \"next\";\n context.arg = undefined;\n }\n\n return !!caught;\n }\n\n for (var i = this.tryEntries.length - 1; i >= 0; --i) {\n var entry = this.tryEntries[i];\n var record = entry.completion;\n\n if (entry.tryLoc === \"root\") {\n return handle(\"end\");\n }\n\n if (entry.tryLoc <= this.prev) {\n var hasCatch = hasOwn.call(entry, \"catchLoc\");\n var hasFinally = hasOwn.call(entry, \"finallyLoc\");\n\n if (hasCatch && hasFinally) {\n if (this.prev < entry.catchLoc) {\n return handle(entry.catchLoc, true);\n } else if (this.prev < entry.finallyLoc) {\n return handle(entry.finallyLoc);\n }\n } else if (hasCatch) {\n if (this.prev < entry.catchLoc) {\n return handle(entry.catchLoc, true);\n }\n } else if (hasFinally) {\n if (this.prev < entry.finallyLoc) {\n return handle(entry.finallyLoc);\n }\n } else {\n throw new Error(\"try statement without catch or finally\");\n }\n }\n }\n },\n abrupt: function abrupt(type, arg) {\n for (var i = this.tryEntries.length - 1; i >= 0; --i) {\n var entry = this.tryEntries[i];\n\n if (entry.tryLoc <= this.prev && hasOwn.call(entry, \"finallyLoc\") && this.prev < entry.finallyLoc) {\n var finallyEntry = entry;\n break;\n }\n }\n\n if (finallyEntry && (type === \"break\" || type === \"continue\") && finallyEntry.tryLoc <= arg && arg <= finallyEntry.finallyLoc) {\n finallyEntry = null;\n }\n\n var record = finallyEntry ? finallyEntry.completion : {};\n record.type = type;\n record.arg = arg;\n\n if (finallyEntry) {\n this.method = \"next\";\n this.next = finallyEntry.finallyLoc;\n return ContinueSentinel;\n }\n\n return this.complete(record);\n },\n complete: function complete(record, afterLoc) {\n if (record.type === \"throw\") {\n throw record.arg;\n }\n\n if (record.type === \"break\" || record.type === \"continue\") {\n this.next = record.arg;\n } else if (record.type === \"return\") {\n this.rval = this.arg = record.arg;\n this.method = \"return\";\n this.next = \"end\";\n } else if (record.type === \"normal\" && afterLoc) {\n this.next = afterLoc;\n }\n\n return ContinueSentinel;\n },\n finish: function finish(finallyLoc) {\n for (var i = this.tryEntries.length - 1; i >= 0; --i) {\n var entry = this.tryEntries[i];\n\n if (entry.finallyLoc === finallyLoc) {\n this.complete(entry.completion, entry.afterLoc);\n resetTryEntry(entry);\n return ContinueSentinel;\n }\n }\n },\n \"catch\": function _catch(tryLoc) {\n for (var i = this.tryEntries.length - 1; i >= 0; --i) {\n var entry = this.tryEntries[i];\n\n if (entry.tryLoc === tryLoc) {\n var record = entry.completion;\n\n if (record.type === \"throw\") {\n var thrown = record.arg;\n resetTryEntry(entry);\n }\n\n return thrown;\n }\n }\n\n throw new Error(\"illegal catch attempt\");\n },\n delegateYield: function delegateYield(iterable, resultName, nextLoc) {\n this.delegate = {\n iterator: values(iterable),\n resultName: resultName,\n nextLoc: nextLoc\n };\n\n if (this.method === \"next\") {\n this.arg = undefined;\n }\n\n return ContinueSentinel;\n }\n };\n return exports;\n}(( false ? undefined : _typeof(module)) === \"object\" ? module.exports : {});\n\ntry {\n regeneratorRuntime = runtime;\n} catch (accidentalStrictMode) {\n Function(\"r\", \"regeneratorRuntime = r\")(runtime);\n}\n/* WEBPACK VAR INJECTION */}.call(this, __w_pdfjs_require__(6)(module)))\n\n/***/ }),\n/* 6 */\n/***/ (function(module, exports, __w_pdfjs_require__) {\n\n\"use strict\";\n\n\nmodule.exports = function (module) {\n if (!module.webpackPolyfill) {\n module.deprecate = function () {};\n\n module.paths = [];\n if (!module.children) module.children = [];\n Object.defineProperty(module, \"loaded\", {\n enumerable: true,\n get: function get() {\n return module.l;\n }\n });\n Object.defineProperty(module, \"id\", {\n enumerable: true,\n get: function get() {\n return module.i;\n }\n });\n module.webpackPolyfill = 1;\n }\n\n return module;\n};\n\n/***/ }),\n/* 7 */\n/***/ (function(module, exports, __w_pdfjs_require__) {\n\n\"use strict\";\n\n\nObject.defineProperty(exports, \"__esModule\", {\n value: true\n});\nexports.SimpleLinkService = exports.PDFLinkService = void 0;\n\nvar _ui_utils = __w_pdfjs_require__(3);\n\nfunction _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); }\n\nfunction _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError(\"Cannot call a class as a function\"); } }\n\nfunction _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); } }\n\nfunction _createClass(Constructor, protoProps, staticProps) { if (protoProps) _defineProperties(Constructor.prototype, protoProps); if (staticProps) _defineProperties(Constructor, staticProps); return Constructor; }\n\nvar PDFLinkService = /*#__PURE__*/function () {\n function PDFLinkService() {\n var _ref = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : {},\n eventBus = _ref.eventBus,\n _ref$externalLinkTarg = _ref.externalLinkTarget,\n externalLinkTarget = _ref$externalLinkTarg === void 0 ? null : _ref$externalLinkTarg,\n _ref$externalLinkRel = _ref.externalLinkRel,\n externalLinkRel = _ref$externalLinkRel === void 0 ? null : _ref$externalLinkRel,\n _ref$externalLinkEnab = _ref.externalLinkEnabled,\n externalLinkEnabled = _ref$externalLinkEnab === void 0 ? true : _ref$externalLinkEnab,\n _ref$ignoreDestinatio = _ref.ignoreDestinationZoom,\n ignoreDestinationZoom = _ref$ignoreDestinatio === void 0 ? false : _ref$ignoreDestinatio;\n\n _classCallCheck(this, PDFLinkService);\n\n this.eventBus = eventBus;\n this.externalLinkTarget = externalLinkTarget;\n this.externalLinkRel = externalLinkRel;\n this.externalLinkEnabled = externalLinkEnabled;\n this._ignoreDestinationZoom = ignoreDestinationZoom;\n this.baseUrl = null;\n this.pdfDocument = null;\n this.pdfViewer = null;\n this.pdfHistory = null;\n this._pagesRefCache = null;\n }\n\n _createClass(PDFLinkService, [{\n key: \"setDocument\",\n value: function setDocument(pdfDocument) {\n var baseUrl = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : null;\n this.baseUrl = baseUrl;\n this.pdfDocument = pdfDocument;\n this._pagesRefCache = Object.create(null);\n }\n }, {\n key: \"setViewer\",\n value: function setViewer(pdfViewer) {\n this.pdfViewer = pdfViewer;\n }\n }, {\n key: \"setHistory\",\n value: function setHistory(pdfHistory) {\n this.pdfHistory = pdfHistory;\n }\n }, {\n key: \"navigateTo\",\n value: function navigateTo(dest) {\n var _this = this;\n\n var goToDestination = function goToDestination(_ref2) {\n var namedDest = _ref2.namedDest,\n explicitDest = _ref2.explicitDest;\n var destRef = explicitDest[0];\n var pageNumber;\n\n if (destRef instanceof Object) {\n pageNumber = _this._cachedPageNumber(destRef);\n\n if (pageNumber === null) {\n _this.pdfDocument.getPageIndex(destRef).then(function (pageIndex) {\n _this.cachePageRef(pageIndex + 1, destRef);\n\n goToDestination({\n namedDest: namedDest,\n explicitDest: explicitDest\n });\n })[\"catch\"](function () {\n console.error(\"PDFLinkService.navigateTo: \\\"\".concat(destRef, \"\\\" is not \") + \"a valid page reference, for dest=\\\"\".concat(dest, \"\\\".\"));\n });\n\n return;\n }\n } else if (Number.isInteger(destRef)) {\n pageNumber = destRef + 1;\n } else {\n console.error(\"PDFLinkService.navigateTo: \\\"\".concat(destRef, \"\\\" is not \") + \"a valid destination reference, for dest=\\\"\".concat(dest, \"\\\".\"));\n return;\n }\n\n if (!pageNumber || pageNumber < 1 || pageNumber > _this.pagesCount) {\n console.error(\"PDFLinkService.navigateTo: \\\"\".concat(pageNumber, \"\\\" is not \") + \"a valid page number, for dest=\\\"\".concat(dest, \"\\\".\"));\n return;\n }\n\n if (_this.pdfHistory) {\n _this.pdfHistory.pushCurrentPosition();\n\n _this.pdfHistory.push({\n namedDest: namedDest,\n explicitDest: explicitDest,\n pageNumber: pageNumber\n });\n }\n\n _this.pdfViewer.scrollPageIntoView({\n pageNumber: pageNumber,\n destArray: explicitDest,\n ignoreDestinationZoom: _this._ignoreDestinationZoom\n });\n };\n\n new Promise(function (resolve, reject) {\n if (typeof dest === \"string\") {\n _this.pdfDocument.getDestination(dest).then(function (destArray) {\n resolve({\n namedDest: dest,\n explicitDest: destArray\n });\n });\n\n return;\n }\n\n resolve({\n namedDest: \"\",\n explicitDest: dest\n });\n }).then(function (data) {\n if (!Array.isArray(data.explicitDest)) {\n console.error(\"PDFLinkService.navigateTo: \\\"\".concat(data.explicitDest, \"\\\" is\") + \" not a valid destination array, for dest=\\\"\".concat(dest, \"\\\".\"));\n return;\n }\n\n goToDestination(data);\n });\n }\n }, {\n key: \"getDestinationHash\",\n value: function getDestinationHash(dest) {\n if (typeof dest === \"string\") {\n return this.getAnchorUrl(\"#\" + escape(dest));\n }\n\n if (Array.isArray(dest)) {\n var str = JSON.stringify(dest);\n return this.getAnchorUrl(\"#\" + escape(str));\n }\n\n return this.getAnchorUrl(\"\");\n }\n }, {\n key: \"getAnchorUrl\",\n value: function getAnchorUrl(anchor) {\n return (this.baseUrl || \"\") + anchor;\n }\n }, {\n key: \"setHash\",\n value: function setHash(hash) {\n var pageNumber, dest;\n\n if (hash.includes(\"=\")) {\n var params = (0, _ui_utils.parseQueryString)(hash);\n\n if (\"search\" in params) {\n this.eventBus.dispatch(\"findfromurlhash\", {\n source: this,\n query: params.search.replace(/\"/g, \"\"),\n phraseSearch: params.phrase === \"true\"\n });\n }\n\n if (\"page\" in params) {\n pageNumber = params.page | 0 || 1;\n }\n\n if (\"zoom\" in params) {\n var zoomArgs = params.zoom.split(\",\");\n var zoomArg = zoomArgs[0];\n var zoomArgNumber = parseFloat(zoomArg);\n\n if (!zoomArg.includes(\"Fit\")) {\n dest = [null, {\n name: \"XYZ\"\n }, zoomArgs.length > 1 ? zoomArgs[1] | 0 : null, zoomArgs.length > 2 ? zoomArgs[2] | 0 : null, zoomArgNumber ? zoomArgNumber / 100 : zoomArg];\n } else {\n if (zoomArg === \"Fit\" || zoomArg === \"FitB\") {\n dest = [null, {\n name: zoomArg\n }];\n } else if (zoomArg === \"FitH\" || zoomArg === \"FitBH\" || zoomArg === \"FitV\" || zoomArg === \"FitBV\") {\n dest = [null, {\n name: zoomArg\n }, zoomArgs.length > 1 ? zoomArgs[1] | 0 : null];\n } else if (zoomArg === \"FitR\") {\n if (zoomArgs.length !== 5) {\n console.error('PDFLinkService.setHash: Not enough parameters for \"FitR\".');\n } else {\n dest = [null, {\n name: zoomArg\n }, zoomArgs[1] | 0, zoomArgs[2] | 0, zoomArgs[3] | 0, zoomArgs[4] | 0];\n }\n } else {\n console.error(\"PDFLinkService.setHash: \\\"\".concat(zoomArg, \"\\\" is not \") + \"a valid zoom value.\");\n }\n }\n }\n\n if (dest) {\n this.pdfViewer.scrollPageIntoView({\n pageNumber: pageNumber || this.page,\n destArray: dest,\n allowNegativeOffset: true\n });\n } else if (pageNumber) {\n this.page = pageNumber;\n }\n\n if (\"pagemode\" in params) {\n this.eventBus.dispatch(\"pagemode\", {\n source: this,\n mode: params.pagemode\n });\n }\n\n if (\"nameddest\" in params) {\n this.navigateTo(params.nameddest);\n }\n } else {\n dest = unescape(hash);\n\n try {\n dest = JSON.parse(dest);\n\n if (!Array.isArray(dest)) {\n dest = dest.toString();\n }\n } catch (ex) {}\n\n if (typeof dest === \"string\" || isValidExplicitDestination(dest)) {\n this.navigateTo(dest);\n return;\n }\n\n console.error(\"PDFLinkService.setHash: \\\"\".concat(unescape(hash), \"\\\" is not \") + \"a valid destination.\");\n }\n }\n }, {\n key: \"executeNamedAction\",\n value: function executeNamedAction(action) {\n switch (action) {\n case \"GoBack\":\n if (this.pdfHistory) {\n this.pdfHistory.back();\n }\n\n break;\n\n case \"GoForward\":\n if (this.pdfHistory) {\n this.pdfHistory.forward();\n }\n\n break;\n\n case \"NextPage\":\n if (this.page < this.pagesCount) {\n this.page++;\n }\n\n break;\n\n case \"PrevPage\":\n if (this.page > 1) {\n this.page--;\n }\n\n break;\n\n case \"LastPage\":\n this.page = this.pagesCount;\n break;\n\n case \"FirstPage\":\n this.page = 1;\n break;\n\n default:\n break;\n }\n\n this.eventBus.dispatch(\"namedaction\", {\n source: this,\n action: action\n });\n }\n }, {\n key: \"cachePageRef\",\n value: function cachePageRef(pageNum, pageRef) {\n if (!pageRef) {\n return;\n }\n\n var refStr = pageRef.gen === 0 ? \"\".concat(pageRef.num, \"R\") : \"\".concat(pageRef.num, \"R\").concat(pageRef.gen);\n this._pagesRefCache[refStr] = pageNum;\n }\n }, {\n key: \"_cachedPageNumber\",\n value: function _cachedPageNumber(pageRef) {\n var refStr = pageRef.gen === 0 ? \"\".concat(pageRef.num, \"R\") : \"\".concat(pageRef.num, \"R\").concat(pageRef.gen);\n return this._pagesRefCache && this._pagesRefCache[refStr] || null;\n }\n }, {\n key: \"isPageVisible\",\n value: function isPageVisible(pageNumber) {\n return this.pdfViewer.isPageVisible(pageNumber);\n }\n }, {\n key: \"pagesCount\",\n get: function get() {\n return this.pdfDocument ? this.pdfDocument.numPages : 0;\n }\n }, {\n key: \"page\",\n get: function get() {\n return this.pdfViewer.currentPageNumber;\n },\n set: function set(value) {\n this.pdfViewer.currentPageNumber = value;\n }\n }, {\n key: \"rotation\",\n get: function get() {\n return this.pdfViewer.pagesRotation;\n },\n set: function set(value) {\n this.pdfViewer.pagesRotation = value;\n }\n }]);\n\n return PDFLinkService;\n}();\n\nexports.PDFLinkService = PDFLinkService;\n\nfunction isValidExplicitDestination(dest) {\n if (!Array.isArray(dest)) {\n return false;\n }\n\n var destLength = dest.length;\n\n if (destLength < 2) {\n return false;\n }\n\n var page = dest[0];\n\n if (!(_typeof(page) === \"object\" && Number.isInteger(page.num) && Number.isInteger(page.gen)) && !(Number.isInteger(page) && page >= 0)) {\n return false;\n }\n\n var zoom = dest[1];\n\n if (!(_typeof(zoom) === \"object\" && typeof zoom.name === \"string\")) {\n return false;\n }\n\n var allowNull = true;\n\n switch (zoom.name) {\n case \"XYZ\":\n if (destLength !== 5) {\n return false;\n }\n\n break;\n\n case \"Fit\":\n case \"FitB\":\n return destLength === 2;\n\n case \"FitH\":\n case \"FitBH\":\n case \"FitV\":\n case \"FitBV\":\n if (destLength !== 3) {\n return false;\n }\n\n break;\n\n case \"FitR\":\n if (destLength !== 6) {\n return false;\n }\n\n allowNull = false;\n break;\n\n default:\n return false;\n }\n\n for (var i = 2; i < destLength; i++) {\n var param = dest[i];\n\n if (!(typeof param === \"number\" || allowNull && param === null)) {\n return false;\n }\n }\n\n return true;\n}\n\nvar SimpleLinkService = /*#__PURE__*/function () {\n function SimpleLinkService() {\n _classCallCheck(this, SimpleLinkService);\n\n this.externalLinkTarget = null;\n this.externalLinkRel = null;\n this.externalLinkEnabled = true;\n this._ignoreDestinationZoom = false;\n }\n\n _createClass(SimpleLinkService, [{\n key: \"navigateTo\",\n value: function navigateTo(dest) {}\n }, {\n key: \"getDestinationHash\",\n value: function getDestinationHash(dest) {\n return \"#\";\n }\n }, {\n key: \"getAnchorUrl\",\n value: function getAnchorUrl(hash) {\n return \"#\";\n }\n }, {\n key: \"setHash\",\n value: function setHash(hash) {}\n }, {\n key: \"executeNamedAction\",\n value: function executeNamedAction(action) {}\n }, {\n key: \"cachePageRef\",\n value: function cachePageRef(pageNum, pageRef) {}\n }, {\n key: \"isPageVisible\",\n value: function isPageVisible(pageNumber) {\n return true;\n }\n }, {\n key: \"pagesCount\",\n get: function get() {\n return 0;\n }\n }, {\n key: \"page\",\n get: function get() {\n return 0;\n },\n set: function set(value) {}\n }, {\n key: \"rotation\",\n get: function get() {\n return 0;\n },\n set: function set(value) {}\n }]);\n\n return SimpleLinkService;\n}();\n\nexports.SimpleLinkService = SimpleLinkService;\n\n/***/ }),\n/* 8 */\n/***/ (function(module, exports, __w_pdfjs_require__) {\n\n\"use strict\";\n\n\nObject.defineProperty(exports, \"__esModule\", {\n value: true\n});\nexports.DefaultTextLayerFactory = exports.TextLayerBuilder = void 0;\n\nvar _pdfjsLib = __w_pdfjs_require__(2);\n\nfunction _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError(\"Cannot call a class as a function\"); } }\n\nfunction _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); } }\n\nfunction _createClass(Constructor, protoProps, staticProps) { if (protoProps) _defineProperties(Constructor.prototype, protoProps); if (staticProps) _defineProperties(Constructor, staticProps); return Constructor; }\n\nvar EXPAND_DIVS_TIMEOUT = 300;\n\nvar TextLayerBuilder = /*#__PURE__*/function () {\n function TextLayerBuilder(_ref) {\n var textLayerDiv = _ref.textLayerDiv,\n eventBus = _ref.eventBus,\n pageIndex = _ref.pageIndex,\n viewport = _ref.viewport,\n _ref$findController = _ref.findController,\n findController = _ref$findController === void 0 ? null : _ref$findController,\n _ref$enhanceTextSelec = _ref.enhanceTextSelection,\n enhanceTextSelection = _ref$enhanceTextSelec === void 0 ? false : _ref$enhanceTextSelec;\n\n _classCallCheck(this, TextLayerBuilder);\n\n this.textLayerDiv = textLayerDiv;\n this.eventBus = eventBus;\n this.textContent = null;\n this.textContentItemsStr = [];\n this.textContentStream = null;\n this.renderingDone = false;\n this.pageIdx = pageIndex;\n this.pageNumber = this.pageIdx + 1;\n this.matches = [];\n this.viewport = viewport;\n this.textDivs = [];\n this.findController = findController;\n this.textLayerRenderTask = null;\n this.enhanceTextSelection = enhanceTextSelection;\n this._onUpdateTextLayerMatches = null;\n\n this._bindMouse();\n }\n\n _createClass(TextLayerBuilder, [{\n key: \"_finishRendering\",\n value: function _finishRendering() {\n this.renderingDone = true;\n\n if (!this.enhanceTextSelection) {\n var endOfContent = document.createElement(\"div\");\n endOfContent.className = \"endOfContent\";\n this.textLayerDiv.appendChild(endOfContent);\n }\n\n this.eventBus.dispatch(\"textlayerrendered\", {\n source: this,\n pageNumber: this.pageNumber,\n numTextDivs: this.textDivs.length\n });\n }\n }, {\n key: \"render\",\n value: function render() {\n var _this = this;\n\n var timeout = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : 0;\n\n if (!(this.textContent || this.textContentStream) || this.renderingDone) {\n return;\n }\n\n this.cancel();\n this.textDivs = [];\n var textLayerFrag = document.createDocumentFragment();\n this.textLayerRenderTask = (0, _pdfjsLib.renderTextLayer)({\n textContent: this.textContent,\n textContentStream: this.textContentStream,\n container: textLayerFrag,\n viewport: this.viewport,\n textDivs: this.textDivs,\n textContentItemsStr: this.textContentItemsStr,\n timeout: timeout,\n enhanceTextSelection: this.enhanceTextSelection\n });\n this.textLayerRenderTask.promise.then(function () {\n _this.textLayerDiv.appendChild(textLayerFrag);\n\n _this._finishRendering();\n\n _this._updateMatches();\n }, function (reason) {});\n\n if (!this._onUpdateTextLayerMatches) {\n this._onUpdateTextLayerMatches = function (evt) {\n if (evt.pageIndex === _this.pageIdx || evt.pageIndex === -1) {\n _this._updateMatches();\n }\n };\n\n this.eventBus._on(\"updatetextlayermatches\", this._onUpdateTextLayerMatches);\n }\n }\n }, {\n key: \"cancel\",\n value: function cancel() {\n if (this.textLayerRenderTask) {\n this.textLayerRenderTask.cancel();\n this.textLayerRenderTask = null;\n }\n\n if (this._onUpdateTextLayerMatches) {\n this.eventBus._off(\"updatetextlayermatches\", this._onUpdateTextLayerMatches);\n\n this._onUpdateTextLayerMatches = null;\n }\n }\n }, {\n key: \"setTextContentStream\",\n value: function setTextContentStream(readableStream) {\n this.cancel();\n this.textContentStream = readableStream;\n }\n }, {\n key: \"setTextContent\",\n value: function setTextContent(textContent) {\n this.cancel();\n this.textContent = textContent;\n }\n }, {\n key: \"_convertMatches\",\n value: function _convertMatches(matches, matchesLength) {\n if (!matches) {\n return [];\n }\n\n var findController = this.findController,\n textContentItemsStr = this.textContentItemsStr;\n var i = 0,\n iIndex = 0;\n var end = textContentItemsStr.length - 1;\n var queryLen = findController.state.query.length;\n var result = [];\n\n for (var m = 0, mm = matches.length; m < mm; m++) {\n var matchIdx = matches[m];\n\n while (i !== end && matchIdx >= iIndex + textContentItemsStr[i].length) {\n iIndex += textContentItemsStr[i].length;\n i++;\n }\n\n if (i === textContentItemsStr.length) {\n console.error(\"Could not find a matching mapping\");\n }\n\n var match = {\n begin: {\n divIdx: i,\n offset: matchIdx - iIndex\n }\n };\n\n if (matchesLength) {\n matchIdx += matchesLength[m];\n } else {\n matchIdx += queryLen;\n }\n\n while (i !== end && matchIdx > iIndex + textContentItemsStr[i].length) {\n iIndex += textContentItemsStr[i].length;\n i++;\n }\n\n match.end = {\n divIdx: i,\n offset: matchIdx - iIndex\n };\n result.push(match);\n }\n\n return result;\n }\n }, {\n key: \"_renderMatches\",\n value: function _renderMatches(matches) {\n if (matches.length === 0) {\n return;\n }\n\n var findController = this.findController,\n pageIdx = this.pageIdx,\n textContentItemsStr = this.textContentItemsStr,\n textDivs = this.textDivs;\n var isSelectedPage = pageIdx === findController.selected.pageIdx;\n var selectedMatchIdx = findController.selected.matchIdx;\n var highlightAll = findController.state.highlightAll;\n var prevEnd = null;\n var infinity = {\n divIdx: -1,\n offset: undefined\n };\n\n function beginText(begin, className) {\n var divIdx = begin.divIdx;\n textDivs[divIdx].textContent = \"\";\n appendTextToDiv(divIdx, 0, begin.offset, className);\n }\n\n function appendTextToDiv(divIdx, fromOffset, toOffset, className) {\n var div = textDivs[divIdx];\n var content = textContentItemsStr[divIdx].substring(fromOffset, toOffset);\n var node = document.createTextNode(content);\n\n if (className) {\n var span = document.createElement(\"span\");\n span.className = className;\n span.appendChild(node);\n div.appendChild(span);\n return;\n }\n\n div.appendChild(node);\n }\n\n var i0 = selectedMatchIdx,\n i1 = i0 + 1;\n\n if (highlightAll) {\n i0 = 0;\n i1 = matches.length;\n } else if (!isSelectedPage) {\n return;\n }\n\n for (var i = i0; i < i1; i++) {\n var match = matches[i];\n var begin = match.begin;\n var end = match.end;\n var isSelected = isSelectedPage && i === selectedMatchIdx;\n var highlightSuffix = isSelected ? \" selected\" : \"\";\n\n if (isSelected) {\n findController.scrollMatchIntoView({\n element: textDivs[begin.divIdx],\n pageIndex: pageIdx,\n matchIndex: selectedMatchIdx\n });\n }\n\n if (!prevEnd || begin.divIdx !== prevEnd.divIdx) {\n if (prevEnd !== null) {\n appendTextToDiv(prevEnd.divIdx, prevEnd.offset, infinity.offset);\n }\n\n beginText(begin);\n } else {\n appendTextToDiv(prevEnd.divIdx, prevEnd.offset, begin.offset);\n }\n\n if (begin.divIdx === end.divIdx) {\n appendTextToDiv(begin.divIdx, begin.offset, end.offset, \"highlight\" + highlightSuffix);\n } else {\n appendTextToDiv(begin.divIdx, begin.offset, infinity.offset, \"highlight begin\" + highlightSuffix);\n\n for (var n0 = begin.divIdx + 1, n1 = end.divIdx; n0 < n1; n0++) {\n textDivs[n0].className = \"highlight middle\" + highlightSuffix;\n }\n\n beginText(end, \"highlight end\" + highlightSuffix);\n }\n\n prevEnd = end;\n }\n\n if (prevEnd) {\n appendTextToDiv(prevEnd.divIdx, prevEnd.offset, infinity.offset);\n }\n }\n }, {\n key: \"_updateMatches\",\n value: function _updateMatches() {\n if (!this.renderingDone) {\n return;\n }\n\n var findController = this.findController,\n matches = this.matches,\n pageIdx = this.pageIdx,\n textContentItemsStr = this.textContentItemsStr,\n textDivs = this.textDivs;\n var clearedUntilDivIdx = -1;\n\n for (var i = 0, ii = matches.length; i < ii; i++) {\n var match = matches[i];\n var begin = Math.max(clearedUntilDivIdx, match.begin.divIdx);\n\n for (var n = begin, end = match.end.divIdx; n <= end; n++) {\n var div = textDivs[n];\n div.textContent = textContentItemsStr[n];\n div.className = \"\";\n }\n\n clearedUntilDivIdx = match.end.divIdx + 1;\n }\n\n if (!findController || !findController.highlightMatches) {\n return;\n }\n\n var pageMatches = findController.pageMatches[pageIdx] || null;\n var pageMatchesLength = findController.pageMatchesLength[pageIdx] || null;\n this.matches = this._convertMatches(pageMatches, pageMatchesLength);\n\n this._renderMatches(this.matches);\n }\n }, {\n key: \"_bindMouse\",\n value: function _bindMouse() {\n var _this2 = this;\n\n var div = this.textLayerDiv;\n var expandDivsTimer = null;\n div.addEventListener(\"mousedown\", function (evt) {\n if (_this2.enhanceTextSelection && _this2.textLayerRenderTask) {\n _this2.textLayerRenderTask.expandTextDivs(true);\n\n if (expandDivsTimer) {\n clearTimeout(expandDivsTimer);\n expandDivsTimer = null;\n }\n\n return;\n }\n\n var end = div.querySelector(\".endOfContent\");\n\n if (!end) {\n return;\n }\n\n var adjustTop = evt.target !== div;\n adjustTop = adjustTop && window.getComputedStyle(end).getPropertyValue(\"-moz-user-select\") !== \"none\";\n\n if (adjustTop) {\n var divBounds = div.getBoundingClientRect();\n var r = Math.max(0, (evt.pageY - divBounds.top) / divBounds.height);\n end.style.top = (r * 100).toFixed(2) + \"%\";\n }\n\n end.classList.add(\"active\");\n });\n div.addEventListener(\"mouseup\", function () {\n if (_this2.enhanceTextSelection && _this2.textLayerRenderTask) {\n expandDivsTimer = setTimeout(function () {\n if (_this2.textLayerRenderTask) {\n _this2.textLayerRenderTask.expandTextDivs(false);\n }\n\n expandDivsTimer = null;\n }, EXPAND_DIVS_TIMEOUT);\n return;\n }\n\n var end = div.querySelector(\".endOfContent\");\n\n if (!end) {\n return;\n }\n\n end.style.top = \"\";\n end.classList.remove(\"active\");\n });\n }\n }]);\n\n return TextLayerBuilder;\n}();\n\nexports.TextLayerBuilder = TextLayerBuilder;\n\nvar DefaultTextLayerFactory = /*#__PURE__*/function () {\n function DefaultTextLayerFactory() {\n _classCallCheck(this, DefaultTextLayerFactory);\n }\n\n _createClass(DefaultTextLayerFactory, [{\n key: \"createTextLayerBuilder\",\n value: function createTextLayerBuilder(textLayerDiv, pageIndex, viewport) {\n var enhanceTextSelection = arguments.length > 3 && arguments[3] !== undefined ? arguments[3] : false;\n var eventBus = arguments.length > 4 ? arguments[4] : undefined;\n return new TextLayerBuilder({\n textLayerDiv: textLayerDiv,\n pageIndex: pageIndex,\n viewport: viewport,\n enhanceTextSelection: enhanceTextSelection,\n eventBus: eventBus\n });\n }\n }]);\n\n return DefaultTextLayerFactory;\n}();\n\nexports.DefaultTextLayerFactory = DefaultTextLayerFactory;\n\n/***/ }),\n/* 9 */\n/***/ (function(module, exports, __w_pdfjs_require__) {\n\n\"use strict\";\n\n\nObject.defineProperty(exports, \"__esModule\", {\n value: true\n});\nexports.DownloadManager = void 0;\n\nvar _pdfjsLib = __w_pdfjs_require__(2);\n\nvar _viewer_compatibility = __w_pdfjs_require__(10);\n\nfunction _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError(\"Cannot call a class as a function\"); } }\n\nfunction _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); } }\n\nfunction _createClass(Constructor, protoProps, staticProps) { if (protoProps) _defineProperties(Constructor.prototype, protoProps); if (staticProps) _defineProperties(Constructor, staticProps); return Constructor; }\n\n;\n\nfunction _download(blobUrl, filename) {\n var a = document.createElement(\"a\");\n\n if (!a.click) {\n throw new Error('DownloadManager: \"a.click()\" is not supported.');\n }\n\n a.href = blobUrl;\n a.target = \"_parent\";\n\n if (\"download\" in a) {\n a.download = filename;\n }\n\n (document.body || document.documentElement).appendChild(a);\n a.click();\n a.remove();\n}\n\nvar DownloadManager = /*#__PURE__*/function () {\n function DownloadManager() {\n _classCallCheck(this, DownloadManager);\n }\n\n _createClass(DownloadManager, [{\n key: \"downloadUrl\",\n value: function downloadUrl(url, filename) {\n if (!(0, _pdfjsLib.createValidAbsoluteUrl)(url, \"http://example.com\")) {\n return;\n }\n\n _download(url + \"#pdfjs.action=download\", filename);\n }\n }, {\n key: \"downloadData\",\n value: function downloadData(data, filename, contentType) {\n if (navigator.msSaveBlob) {\n navigator.msSaveBlob(new Blob([data], {\n type: contentType\n }), filename);\n return;\n }\n\n var blobUrl = (0, _pdfjsLib.createObjectURL)(data, contentType, _viewer_compatibility.viewerCompatibilityParams.disableCreateObjectURL);\n\n _download(blobUrl, filename);\n }\n }, {\n key: \"download\",\n value: function download(blob, url, filename) {\n var sourceEventType = arguments.length > 3 && arguments[3] !== undefined ? arguments[3] : \"download\";\n\n if (navigator.msSaveBlob) {\n if (!navigator.msSaveBlob(blob, filename)) {\n this.downloadUrl(url, filename);\n }\n\n return;\n }\n\n if (_viewer_compatibility.viewerCompatibilityParams.disableCreateObjectURL) {\n this.downloadUrl(url, filename);\n return;\n }\n\n var blobUrl = URL.createObjectURL(blob);\n\n _download(blobUrl, filename);\n }\n }]);\n\n return DownloadManager;\n}();\n\nexports.DownloadManager = DownloadManager;\n\n/***/ }),\n/* 10 */\n/***/ (function(module, exports, __w_pdfjs_require__) {\n\n\"use strict\";\n\n\nObject.defineProperty(exports, \"__esModule\", {\n value: true\n});\nexports.viewerCompatibilityParams = void 0;\nvar compatibilityParams = Object.create(null);\n{\n var userAgent = typeof navigator !== \"undefined\" && navigator.userAgent || \"\";\n var platform = typeof navigator !== \"undefined\" && navigator.platform || \"\";\n var maxTouchPoints = typeof navigator !== \"undefined\" && navigator.maxTouchPoints || 1;\n var isAndroid = /Android/.test(userAgent);\n var isIE = /Trident/.test(userAgent);\n var isIOS = /\\b(iPad|iPhone|iPod)(?=;)/.test(userAgent) || platform === \"MacIntel\" && maxTouchPoints > 1;\n var isIOSChrome = /CriOS/.test(userAgent);\n\n (function checkOnBlobSupport() {\n if (isIE || isIOSChrome) {\n compatibilityParams.disableCreateObjectURL = true;\n }\n })();\n\n (function checkCanvasSizeLimitation() {\n if (isIOS || isAndroid) {\n compatibilityParams.maxCanvasPixels = 5242880;\n }\n })();\n}\nvar viewerCompatibilityParams = Object.freeze(compatibilityParams);\nexports.viewerCompatibilityParams = viewerCompatibilityParams;\n\n/***/ }),\n/* 11 */\n/***/ (function(module, exports, __w_pdfjs_require__) {\n\n\"use strict\";\n\n\nObject.defineProperty(exports, \"__esModule\", {\n value: true\n});\nexports.GenericL10n = void 0;\n\nvar _regenerator = _interopRequireDefault(__w_pdfjs_require__(4));\n\n__w_pdfjs_require__(12);\n\nfunction _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { \"default\": obj }; }\n\nfunction asyncGeneratorStep(gen, resolve, reject, _next, _throw, key, arg) { try { var info = gen[key](arg); var value = info.value; } catch (error) { reject(error); return; } if (info.done) { resolve(value); } else { Promise.resolve(value).then(_next, _throw); } }\n\nfunction _asyncToGenerator(fn) { return function () { var self = this, args = arguments; return new Promise(function (resolve, reject) { var gen = fn.apply(self, args); function _next(value) { asyncGeneratorStep(gen, resolve, reject, _next, _throw, \"next\", value); } function _throw(err) { asyncGeneratorStep(gen, resolve, reject, _next, _throw, \"throw\", err); } _next(undefined); }); }; }\n\nfunction _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError(\"Cannot call a class as a function\"); } }\n\nfunction _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); } }\n\nfunction _createClass(Constructor, protoProps, staticProps) { if (protoProps) _defineProperties(Constructor.prototype, protoProps); if (staticProps) _defineProperties(Constructor, staticProps); return Constructor; }\n\nvar webL10n = document.webL10n;\n\nvar GenericL10n = /*#__PURE__*/function () {\n function GenericL10n(lang) {\n _classCallCheck(this, GenericL10n);\n\n this._lang = lang;\n this._ready = new Promise(function (resolve, reject) {\n webL10n.setLanguage(lang, function () {\n resolve(webL10n);\n });\n });\n }\n\n _createClass(GenericL10n, [{\n key: \"getLanguage\",\n value: function () {\n var _getLanguage = _asyncToGenerator( /*#__PURE__*/_regenerator[\"default\"].mark(function _callee() {\n var l10n;\n return _regenerator[\"default\"].wrap(function _callee$(_context) {\n while (1) {\n switch (_context.prev = _context.next) {\n case 0:\n _context.next = 2;\n return this._ready;\n\n case 2:\n l10n = _context.sent;\n return _context.abrupt(\"return\", l10n.getLanguage());\n\n case 4:\n case \"end\":\n return _context.stop();\n }\n }\n }, _callee, this);\n }));\n\n function getLanguage() {\n return _getLanguage.apply(this, arguments);\n }\n\n return getLanguage;\n }()\n }, {\n key: \"getDirection\",\n value: function () {\n var _getDirection = _asyncToGenerator( /*#__PURE__*/_regenerator[\"default\"].mark(function _callee2() {\n var l10n;\n return _regenerator[\"default\"].wrap(function _callee2$(_context2) {\n while (1) {\n switch (_context2.prev = _context2.next) {\n case 0:\n _context2.next = 2;\n return this._ready;\n\n case 2:\n l10n = _context2.sent;\n return _context2.abrupt(\"return\", l10n.getDirection());\n\n case 4:\n case \"end\":\n return _context2.stop();\n }\n }\n }, _callee2, this);\n }));\n\n function getDirection() {\n return _getDirection.apply(this, arguments);\n }\n\n return getDirection;\n }()\n }, {\n key: \"get\",\n value: function () {\n var _get = _asyncToGenerator( /*#__PURE__*/_regenerator[\"default\"].mark(function _callee3(property, args, fallback) {\n var l10n;\n return _regenerator[\"default\"].wrap(function _callee3$(_context3) {\n while (1) {\n switch (_context3.prev = _context3.next) {\n case 0:\n _context3.next = 2;\n return this._ready;\n\n case 2:\n l10n = _context3.sent;\n return _context3.abrupt(\"return\", l10n.get(property, args, fallback));\n\n case 4:\n case \"end\":\n return _context3.stop();\n }\n }\n }, _callee3, this);\n }));\n\n function get(_x, _x2, _x3) {\n return _get.apply(this, arguments);\n }\n\n return get;\n }()\n }, {\n key: \"translate\",\n value: function () {\n var _translate = _asyncToGenerator( /*#__PURE__*/_regenerator[\"default\"].mark(function _callee4(element) {\n var l10n;\n return _regenerator[\"default\"].wrap(function _callee4$(_context4) {\n while (1) {\n switch (_context4.prev = _context4.next) {\n case 0:\n _context4.next = 2;\n return this._ready;\n\n case 2:\n l10n = _context4.sent;\n return _context4.abrupt(\"return\", l10n.translate(element));\n\n case 4:\n case \"end\":\n return _context4.stop();\n }\n }\n }, _callee4, this);\n }));\n\n function translate(_x4) {\n return _translate.apply(this, arguments);\n }\n\n return translate;\n }()\n }]);\n\n return GenericL10n;\n}();\n\nexports.GenericL10n = GenericL10n;\n\n/***/ }),\n/* 12 */\n/***/ (function(module, exports, __w_pdfjs_require__) {\n\n\"use strict\";\n\n\ndocument.webL10n = function (window, document, undefined) {\n var gL10nData = {};\n var gTextData = '';\n var gTextProp = 'textContent';\n var gLanguage = '';\n var gMacros = {};\n var gReadyState = 'loading';\n var gAsyncResourceLoading = true;\n\n function getL10nResourceLinks() {\n return document.querySelectorAll('link[type=\"application/l10n\"]');\n }\n\n function getL10nDictionary() {\n var script = document.querySelector('script[type=\"application/l10n\"]');\n return script ? JSON.parse(script.innerHTML) : null;\n }\n\n function getTranslatableChildren(element) {\n return element ? element.querySelectorAll('*[data-l10n-id]') : [];\n }\n\n function getL10nAttributes(element) {\n if (!element) return {};\n var l10nId = element.getAttribute('data-l10n-id');\n var l10nArgs = element.getAttribute('data-l10n-args');\n var args = {};\n\n if (l10nArgs) {\n try {\n args = JSON.parse(l10nArgs);\n } catch (e) {\n console.warn('could not parse arguments for #' + l10nId);\n }\n }\n\n return {\n id: l10nId,\n args: args\n };\n }\n\n function xhrLoadText(url, onSuccess, onFailure) {\n onSuccess = onSuccess || function _onSuccess(data) {};\n\n onFailure = onFailure || function _onFailure() {};\n\n var xhr = new XMLHttpRequest();\n xhr.open('GET', url, gAsyncResourceLoading);\n\n if (xhr.overrideMimeType) {\n xhr.overrideMimeType('text/plain; charset=utf-8');\n }\n\n xhr.onreadystatechange = function () {\n if (xhr.readyState == 4) {\n if (xhr.status == 200 || xhr.status === 0) {\n onSuccess(xhr.responseText);\n } else {\n onFailure();\n }\n }\n };\n\n xhr.onerror = onFailure;\n xhr.ontimeout = onFailure;\n\n try {\n xhr.send(null);\n } catch (e) {\n onFailure();\n }\n }\n\n function parseResource(href, lang, successCallback, failureCallback) {\n var baseURL = href.replace(/[^\\/]*$/, '') || './';\n\n function evalString(text) {\n if (text.lastIndexOf('\\\\') < 0) return text;\n return text.replace(/\\\\\\\\/g, '\\\\').replace(/\\\\n/g, '\\n').replace(/\\\\r/g, '\\r').replace(/\\\\t/g, '\\t').replace(/\\\\b/g, '\\b').replace(/\\\\f/g, '\\f').replace(/\\\\{/g, '{').replace(/\\\\}/g, '}').replace(/\\\\\"/g, '\"').replace(/\\\\'/g, \"'\");\n }\n\n function parseProperties(text, parsedPropertiesCallback) {\n var dictionary = {};\n var reBlank = /^\\s*|\\s*$/;\n var reComment = /^\\s*#|^\\s*$/;\n var reSection = /^\\s*\\[(.*)\\]\\s*$/;\n var reImport = /^\\s*@import\\s+url\\((.*)\\)\\s*$/i;\n var reSplit = /^([^=\\s]*)\\s*=\\s*(.+)$/;\n\n function parseRawLines(rawText, extendedSyntax, parsedRawLinesCallback) {\n var entries = rawText.replace(reBlank, '').split(/[\\r\\n]+/);\n var currentLang = '*';\n var genericLang = lang.split('-', 1)[0];\n var skipLang = false;\n var match = '';\n\n function nextEntry() {\n while (true) {\n if (!entries.length) {\n parsedRawLinesCallback();\n return;\n }\n\n var line = entries.shift();\n if (reComment.test(line)) continue;\n\n if (extendedSyntax) {\n match = reSection.exec(line);\n\n if (match) {\n currentLang = match[1].toLowerCase();\n skipLang = currentLang !== '*' && currentLang !== lang && currentLang !== genericLang;\n continue;\n } else if (skipLang) {\n continue;\n }\n\n match = reImport.exec(line);\n\n if (match) {\n loadImport(baseURL + match[1], nextEntry);\n return;\n }\n }\n\n var tmp = line.match(reSplit);\n\n if (tmp && tmp.length == 3) {\n dictionary[tmp[1]] = evalString(tmp[2]);\n }\n }\n }\n\n nextEntry();\n }\n\n function loadImport(url, callback) {\n xhrLoadText(url, function (content) {\n parseRawLines(content, false, callback);\n }, function () {\n console.warn(url + ' not found.');\n callback();\n });\n }\n\n parseRawLines(text, true, function () {\n parsedPropertiesCallback(dictionary);\n });\n }\n\n xhrLoadText(href, function (response) {\n gTextData += response;\n parseProperties(response, function (data) {\n for (var key in data) {\n var id,\n prop,\n index = key.lastIndexOf('.');\n\n if (index > 0) {\n id = key.substring(0, index);\n prop = key.substring(index + 1);\n } else {\n id = key;\n prop = gTextProp;\n }\n\n if (!gL10nData[id]) {\n gL10nData[id] = {};\n }\n\n gL10nData[id][prop] = data[key];\n }\n\n if (successCallback) {\n successCallback();\n }\n });\n }, failureCallback);\n }\n\n function loadLocale(lang, callback) {\n if (lang) {\n lang = lang.toLowerCase();\n }\n\n callback = callback || function _callback() {};\n\n clear();\n gLanguage = lang;\n var langLinks = getL10nResourceLinks();\n var langCount = langLinks.length;\n\n if (langCount === 0) {\n var dict = getL10nDictionary();\n\n if (dict && dict.locales && dict.default_locale) {\n console.log('using the embedded JSON directory, early way out');\n gL10nData = dict.locales[lang];\n\n if (!gL10nData) {\n var defaultLocale = dict.default_locale.toLowerCase();\n\n for (var anyCaseLang in dict.locales) {\n anyCaseLang = anyCaseLang.toLowerCase();\n\n if (anyCaseLang === lang) {\n gL10nData = dict.locales[lang];\n break;\n } else if (anyCaseLang === defaultLocale) {\n gL10nData = dict.locales[defaultLocale];\n }\n }\n }\n\n callback();\n } else {\n console.log('no resource to load, early way out');\n }\n\n gReadyState = 'complete';\n return;\n }\n\n var onResourceLoaded = null;\n var gResourceCount = 0;\n\n onResourceLoaded = function onResourceLoaded() {\n gResourceCount++;\n\n if (gResourceCount >= langCount) {\n callback();\n gReadyState = 'complete';\n }\n };\n\n function L10nResourceLink(link) {\n var href = link.href;\n\n this.load = function (lang, callback) {\n parseResource(href, lang, callback, function () {\n console.warn(href + ' not found.');\n console.warn('\"' + lang + '\" resource not found');\n gLanguage = '';\n callback();\n });\n };\n }\n\n for (var i = 0; i < langCount; i++) {\n var resource = new L10nResourceLink(langLinks[i]);\n resource.load(lang, onResourceLoaded);\n }\n }\n\n function clear() {\n gL10nData = {};\n gTextData = '';\n gLanguage = '';\n }\n\n function getPluralRules(lang) {\n var locales2rules = {\n 'af': 3,\n 'ak': 4,\n 'am': 4,\n 'ar': 1,\n 'asa': 3,\n 'az': 0,\n 'be': 11,\n 'bem': 3,\n 'bez': 3,\n 'bg': 3,\n 'bh': 4,\n 'bm': 0,\n 'bn': 3,\n 'bo': 0,\n 'br': 20,\n 'brx': 3,\n 'bs': 11,\n 'ca': 3,\n 'cgg': 3,\n 'chr': 3,\n 'cs': 12,\n 'cy': 17,\n 'da': 3,\n 'de': 3,\n 'dv': 3,\n 'dz': 0,\n 'ee': 3,\n 'el': 3,\n 'en': 3,\n 'eo': 3,\n 'es': 3,\n 'et': 3,\n 'eu': 3,\n 'fa': 0,\n 'ff': 5,\n 'fi': 3,\n 'fil': 4,\n 'fo': 3,\n 'fr': 5,\n 'fur': 3,\n 'fy': 3,\n 'ga': 8,\n 'gd': 24,\n 'gl': 3,\n 'gsw': 3,\n 'gu': 3,\n 'guw': 4,\n 'gv': 23,\n 'ha': 3,\n 'haw': 3,\n 'he': 2,\n 'hi': 4,\n 'hr': 11,\n 'hu': 0,\n 'id': 0,\n 'ig': 0,\n 'ii': 0,\n 'is': 3,\n 'it': 3,\n 'iu': 7,\n 'ja': 0,\n 'jmc': 3,\n 'jv': 0,\n 'ka': 0,\n 'kab': 5,\n 'kaj': 3,\n 'kcg': 3,\n 'kde': 0,\n 'kea': 0,\n 'kk': 3,\n 'kl': 3,\n 'km': 0,\n 'kn': 0,\n 'ko': 0,\n 'ksb': 3,\n 'ksh': 21,\n 'ku': 3,\n 'kw': 7,\n 'lag': 18,\n 'lb': 3,\n 'lg': 3,\n 'ln': 4,\n 'lo': 0,\n 'lt': 10,\n 'lv': 6,\n 'mas': 3,\n 'mg': 4,\n 'mk': 16,\n 'ml': 3,\n 'mn': 3,\n 'mo': 9,\n 'mr': 3,\n 'ms': 0,\n 'mt': 15,\n 'my': 0,\n 'nah': 3,\n 'naq': 7,\n 'nb': 3,\n 'nd': 3,\n 'ne': 3,\n 'nl': 3,\n 'nn': 3,\n 'no': 3,\n 'nr': 3,\n 'nso': 4,\n 'ny': 3,\n 'nyn': 3,\n 'om': 3,\n 'or': 3,\n 'pa': 3,\n 'pap': 3,\n 'pl': 13,\n 'ps': 3,\n 'pt': 3,\n 'rm': 3,\n 'ro': 9,\n 'rof': 3,\n 'ru': 11,\n 'rwk': 3,\n 'sah': 0,\n 'saq': 3,\n 'se': 7,\n 'seh': 3,\n 'ses': 0,\n 'sg': 0,\n 'sh': 11,\n 'shi': 19,\n 'sk': 12,\n 'sl': 14,\n 'sma': 7,\n 'smi': 7,\n 'smj': 7,\n 'smn': 7,\n 'sms': 7,\n 'sn': 3,\n 'so': 3,\n 'sq': 3,\n 'sr': 11,\n 'ss': 3,\n 'ssy': 3,\n 'st': 3,\n 'sv': 3,\n 'sw': 3,\n 'syr': 3,\n 'ta': 3,\n 'te': 3,\n 'teo': 3,\n 'th': 0,\n 'ti': 4,\n 'tig': 3,\n 'tk': 3,\n 'tl': 4,\n 'tn': 3,\n 'to': 0,\n 'tr': 0,\n 'ts': 3,\n 'tzm': 22,\n 'uk': 11,\n 'ur': 3,\n 've': 3,\n 'vi': 0,\n 'vun': 3,\n 'wa': 4,\n 'wae': 3,\n 'wo': 0,\n 'xh': 3,\n 'xog': 3,\n 'yo': 0,\n 'zh': 0,\n 'zu': 3\n };\n\n function isIn(n, list) {\n return list.indexOf(n) !== -1;\n }\n\n function isBetween(n, start, end) {\n return start <= n && n <= end;\n }\n\n var pluralRules = {\n '0': function _(n) {\n return 'other';\n },\n '1': function _(n) {\n if (isBetween(n % 100, 3, 10)) return 'few';\n if (n === 0) return 'zero';\n if (isBetween(n % 100, 11, 99)) return 'many';\n if (n == 2) return 'two';\n if (n == 1) return 'one';\n return 'other';\n },\n '2': function _(n) {\n if (n !== 0 && n % 10 === 0) return 'many';\n if (n == 2) return 'two';\n if (n == 1) return 'one';\n return 'other';\n },\n '3': function _(n) {\n if (n == 1) return 'one';\n return 'other';\n },\n '4': function _(n) {\n if (isBetween(n, 0, 1)) return 'one';\n return 'other';\n },\n '5': function _(n) {\n if (isBetween(n, 0, 2) && n != 2) return 'one';\n return 'other';\n },\n '6': function _(n) {\n if (n === 0) return 'zero';\n if (n % 10 == 1 && n % 100 != 11) return 'one';\n return 'other';\n },\n '7': function _(n) {\n if (n == 2) return 'two';\n if (n == 1) return 'one';\n return 'other';\n },\n '8': function _(n) {\n if (isBetween(n, 3, 6)) return 'few';\n if (isBetween(n, 7, 10)) return 'many';\n if (n == 2) return 'two';\n if (n == 1) return 'one';\n return 'other';\n },\n '9': function _(n) {\n if (n === 0 || n != 1 && isBetween(n % 100, 1, 19)) return 'few';\n if (n == 1) return 'one';\n return 'other';\n },\n '10': function _(n) {\n if (isBetween(n % 10, 2, 9) && !isBetween(n % 100, 11, 19)) return 'few';\n if (n % 10 == 1 && !isBetween(n % 100, 11, 19)) return 'one';\n return 'other';\n },\n '11': function _(n) {\n if (isBetween(n % 10, 2, 4) && !isBetween(n % 100, 12, 14)) return 'few';\n if (n % 10 === 0 || isBetween(n % 10, 5, 9) || isBetween(n % 100, 11, 14)) return 'many';\n if (n % 10 == 1 && n % 100 != 11) return 'one';\n return 'other';\n },\n '12': function _(n) {\n if (isBetween(n, 2, 4)) return 'few';\n if (n == 1) return 'one';\n return 'other';\n },\n '13': function _(n) {\n if (isBetween(n % 10, 2, 4) && !isBetween(n % 100, 12, 14)) return 'few';\n if (n != 1 && isBetween(n % 10, 0, 1) || isBetween(n % 10, 5, 9) || isBetween(n % 100, 12, 14)) return 'many';\n if (n == 1) return 'one';\n return 'other';\n },\n '14': function _(n) {\n if (isBetween(n % 100, 3, 4)) return 'few';\n if (n % 100 == 2) return 'two';\n if (n % 100 == 1) return 'one';\n return 'other';\n },\n '15': function _(n) {\n if (n === 0 || isBetween(n % 100, 2, 10)) return 'few';\n if (isBetween(n % 100, 11, 19)) return 'many';\n if (n == 1) return 'one';\n return 'other';\n },\n '16': function _(n) {\n if (n % 10 == 1 && n != 11) return 'one';\n return 'other';\n },\n '17': function _(n) {\n if (n == 3) return 'few';\n if (n === 0) return 'zero';\n if (n == 6) return 'many';\n if (n == 2) return 'two';\n if (n == 1) return 'one';\n return 'other';\n },\n '18': function _(n) {\n if (n === 0) return 'zero';\n if (isBetween(n, 0, 2) && n !== 0 && n != 2) return 'one';\n return 'other';\n },\n '19': function _(n) {\n if (isBetween(n, 2, 10)) return 'few';\n if (isBetween(n, 0, 1)) return 'one';\n return 'other';\n },\n '20': function _(n) {\n if ((isBetween(n % 10, 3, 4) || n % 10 == 9) && !(isBetween(n % 100, 10, 19) || isBetween(n % 100, 70, 79) || isBetween(n % 100, 90, 99))) return 'few';\n if (n % 1000000 === 0 && n !== 0) return 'many';\n if (n % 10 == 2 && !isIn(n % 100, [12, 72, 92])) return 'two';\n if (n % 10 == 1 && !isIn(n % 100, [11, 71, 91])) return 'one';\n return 'other';\n },\n '21': function _(n) {\n if (n === 0) return 'zero';\n if (n == 1) return 'one';\n return 'other';\n },\n '22': function _(n) {\n if (isBetween(n, 0, 1) || isBetween(n, 11, 99)) return 'one';\n return 'other';\n },\n '23': function _(n) {\n if (isBetween(n % 10, 1, 2) || n % 20 === 0) return 'one';\n return 'other';\n },\n '24': function _(n) {\n if (isBetween(n, 3, 10) || isBetween(n, 13, 19)) return 'few';\n if (isIn(n, [2, 12])) return 'two';\n if (isIn(n, [1, 11])) return 'one';\n return 'other';\n }\n };\n var index = locales2rules[lang.replace(/-.*$/, '')];\n\n if (!(index in pluralRules)) {\n console.warn('plural form unknown for [' + lang + ']');\n return function () {\n return 'other';\n };\n }\n\n return pluralRules[index];\n }\n\n gMacros.plural = function (str, param, key, prop) {\n var n = parseFloat(param);\n if (isNaN(n)) return str;\n if (prop != gTextProp) return str;\n\n if (!gMacros._pluralRules) {\n gMacros._pluralRules = getPluralRules(gLanguage);\n }\n\n var index = '[' + gMacros._pluralRules(n) + ']';\n\n if (n === 0 && key + '[zero]' in gL10nData) {\n str = gL10nData[key + '[zero]'][prop];\n } else if (n == 1 && key + '[one]' in gL10nData) {\n str = gL10nData[key + '[one]'][prop];\n } else if (n == 2 && key + '[two]' in gL10nData) {\n str = gL10nData[key + '[two]'][prop];\n } else if (key + index in gL10nData) {\n str = gL10nData[key + index][prop];\n } else if (key + '[other]' in gL10nData) {\n str = gL10nData[key + '[other]'][prop];\n }\n\n return str;\n };\n\n function getL10nData(key, args, fallback) {\n var data = gL10nData[key];\n\n if (!data) {\n console.warn('#' + key + ' is undefined.');\n\n if (!fallback) {\n return null;\n }\n\n data = fallback;\n }\n\n var rv = {};\n\n for (var prop in data) {\n var str = data[prop];\n str = substIndexes(str, args, key, prop);\n str = substArguments(str, args, key);\n rv[prop] = str;\n }\n\n return rv;\n }\n\n function substIndexes(str, args, key, prop) {\n var reIndex = /\\{\\[\\s*([a-zA-Z]+)\\(([a-zA-Z]+)\\)\\s*\\]\\}/;\n var reMatch = reIndex.exec(str);\n if (!reMatch || !reMatch.length) return str;\n var macroName = reMatch[1];\n var paramName = reMatch[2];\n var param;\n\n if (args && paramName in args) {\n param = args[paramName];\n } else if (paramName in gL10nData) {\n param = gL10nData[paramName];\n }\n\n if (macroName in gMacros) {\n var macro = gMacros[macroName];\n str = macro(str, param, key, prop);\n }\n\n return str;\n }\n\n function substArguments(str, args, key) {\n var reArgs = /\\{\\{\\s*(.+?)\\s*\\}\\}/g;\n return str.replace(reArgs, function (matched_text, arg) {\n if (args && arg in args) {\n return args[arg];\n }\n\n if (arg in gL10nData) {\n return gL10nData[arg];\n }\n\n console.log('argument {{' + arg + '}} for #' + key + ' is undefined.');\n return matched_text;\n });\n }\n\n function translateElement(element) {\n var l10n = getL10nAttributes(element);\n if (!l10n.id) return;\n var data = getL10nData(l10n.id, l10n.args);\n\n if (!data) {\n console.warn('#' + l10n.id + ' is undefined.');\n return;\n }\n\n if (data[gTextProp]) {\n if (getChildElementCount(element) === 0) {\n element[gTextProp] = data[gTextProp];\n } else {\n var children = element.childNodes;\n var found = false;\n\n for (var i = 0, l = children.length; i < l; i++) {\n if (children[i].nodeType === 3 && /\\S/.test(children[i].nodeValue)) {\n if (found) {\n children[i].nodeValue = '';\n } else {\n children[i].nodeValue = data[gTextProp];\n found = true;\n }\n }\n }\n\n if (!found) {\n var textNode = document.createTextNode(data[gTextProp]);\n element.insertBefore(textNode, element.firstChild);\n }\n }\n\n delete data[gTextProp];\n }\n\n for (var k in data) {\n element[k] = data[k];\n }\n }\n\n function getChildElementCount(element) {\n if (element.children) {\n return element.children.length;\n }\n\n if (typeof element.childElementCount !== 'undefined') {\n return element.childElementCount;\n }\n\n var count = 0;\n\n for (var i = 0; i < element.childNodes.length; i++) {\n count += element.nodeType === 1 ? 1 : 0;\n }\n\n return count;\n }\n\n function translateFragment(element) {\n element = element || document.documentElement;\n var children = getTranslatableChildren(element);\n var elementCount = children.length;\n\n for (var i = 0; i < elementCount; i++) {\n translateElement(children[i]);\n }\n\n translateElement(element);\n }\n\n return {\n get: function get(key, args, fallbackString) {\n var index = key.lastIndexOf('.');\n var prop = gTextProp;\n\n if (index > 0) {\n prop = key.substring(index + 1);\n key = key.substring(0, index);\n }\n\n var fallback;\n\n if (fallbackString) {\n fallback = {};\n fallback[prop] = fallbackString;\n }\n\n var data = getL10nData(key, args, fallback);\n\n if (data && prop in data) {\n return data[prop];\n }\n\n return '{{' + key + '}}';\n },\n getData: function getData() {\n return gL10nData;\n },\n getText: function getText() {\n return gTextData;\n },\n getLanguage: function getLanguage() {\n return gLanguage;\n },\n setLanguage: function setLanguage(lang, callback) {\n loadLocale(lang, function () {\n if (callback) callback();\n });\n },\n getDirection: function getDirection() {\n var rtlList = ['ar', 'he', 'fa', 'ps', 'ur'];\n var shortCode = gLanguage.split('-', 1)[0];\n return rtlList.indexOf(shortCode) >= 0 ? 'rtl' : 'ltr';\n },\n translate: translateFragment,\n getReadyState: function getReadyState() {\n return gReadyState;\n },\n ready: function ready(callback) {\n if (!callback) {\n return;\n } else if (gReadyState == 'complete' || gReadyState == 'interactive') {\n window.setTimeout(function () {\n callback();\n });\n } else if (document.addEventListener) {\n document.addEventListener('localized', function once() {\n document.removeEventListener('localized', once);\n callback();\n });\n }\n }\n };\n}(window, document);\n\n/***/ }),\n/* 13 */\n/***/ (function(module, exports, __w_pdfjs_require__) {\n\n\"use strict\";\n\n\nObject.defineProperty(exports, \"__esModule\", {\n value: true\n});\nexports.PDFFindController = exports.FindState = void 0;\n\nvar _pdfjsLib = __w_pdfjs_require__(2);\n\nvar _pdf_find_utils = __w_pdfjs_require__(14);\n\nvar _ui_utils = __w_pdfjs_require__(3);\n\nfunction _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError(\"Cannot call a class as a function\"); } }\n\nfunction _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); } }\n\nfunction _createClass(Constructor, protoProps, staticProps) { if (protoProps) _defineProperties(Constructor.prototype, protoProps); if (staticProps) _defineProperties(Constructor, staticProps); return Constructor; }\n\nvar FindState = {\n FOUND: 0,\n NOT_FOUND: 1,\n WRAPPED: 2,\n PENDING: 3\n};\nexports.FindState = FindState;\nvar FIND_TIMEOUT = 250;\nvar MATCH_SCROLL_OFFSET_TOP = -50;\nvar MATCH_SCROLL_OFFSET_LEFT = -400;\nvar CHARACTERS_TO_NORMALIZE = {\n \"\\u2018\": \"'\",\n \"\\u2019\": \"'\",\n \"\\u201A\": \"'\",\n \"\\u201B\": \"'\",\n \"\\u201C\": '\"',\n \"\\u201D\": '\"',\n \"\\u201E\": '\"',\n \"\\u201F\": '\"',\n \"\\xBC\": \"1/4\",\n \"\\xBD\": \"1/2\",\n \"\\xBE\": \"3/4\"\n};\nvar normalizationRegex = null;\n\nfunction normalize(text) {\n if (!normalizationRegex) {\n var replace = Object.keys(CHARACTERS_TO_NORMALIZE).join(\"\");\n normalizationRegex = new RegExp(\"[\".concat(replace, \"]\"), \"g\");\n }\n\n return text.replace(normalizationRegex, function (ch) {\n return CHARACTERS_TO_NORMALIZE[ch];\n });\n}\n\nvar PDFFindController = /*#__PURE__*/function () {\n function PDFFindController(_ref) {\n var linkService = _ref.linkService,\n eventBus = _ref.eventBus;\n\n _classCallCheck(this, PDFFindController);\n\n this._linkService = linkService;\n this._eventBus = eventBus;\n\n this._reset();\n\n eventBus._on(\"findbarclose\", this._onFindBarClose.bind(this));\n }\n\n _createClass(PDFFindController, [{\n key: \"setDocument\",\n value: function setDocument(pdfDocument) {\n if (this._pdfDocument) {\n this._reset();\n }\n\n if (!pdfDocument) {\n return;\n }\n\n this._pdfDocument = pdfDocument;\n\n this._firstPageCapability.resolve();\n }\n }, {\n key: \"executeCommand\",\n value: function executeCommand(cmd, state) {\n var _this = this;\n\n if (!state) {\n return;\n }\n\n var pdfDocument = this._pdfDocument;\n\n if (this._state === null || this._shouldDirtyMatch(cmd, state)) {\n this._dirtyMatch = true;\n }\n\n this._state = state;\n\n if (cmd !== \"findhighlightallchange\") {\n this._updateUIState(FindState.PENDING);\n }\n\n this._firstPageCapability.promise.then(function () {\n if (!_this._pdfDocument || pdfDocument && _this._pdfDocument !== pdfDocument) {\n return;\n }\n\n _this._extractText();\n\n var findbarClosed = !_this._highlightMatches;\n var pendingTimeout = !!_this._findTimeout;\n\n if (_this._findTimeout) {\n clearTimeout(_this._findTimeout);\n _this._findTimeout = null;\n }\n\n if (cmd === \"find\") {\n _this._findTimeout = setTimeout(function () {\n _this._nextMatch();\n\n _this._findTimeout = null;\n }, FIND_TIMEOUT);\n } else if (_this._dirtyMatch) {\n _this._nextMatch();\n } else if (cmd === \"findagain\") {\n _this._nextMatch();\n\n if (findbarClosed && _this._state.highlightAll) {\n _this._updateAllPages();\n }\n } else if (cmd === \"findhighlightallchange\") {\n if (pendingTimeout) {\n _this._nextMatch();\n } else {\n _this._highlightMatches = true;\n }\n\n _this._updateAllPages();\n } else {\n _this._nextMatch();\n }\n });\n }\n }, {\n key: \"scrollMatchIntoView\",\n value: function scrollMatchIntoView(_ref2) {\n var _ref2$element = _ref2.element,\n element = _ref2$element === void 0 ? null : _ref2$element,\n _ref2$pageIndex = _ref2.pageIndex,\n pageIndex = _ref2$pageIndex === void 0 ? -1 : _ref2$pageIndex,\n _ref2$matchIndex = _ref2.matchIndex,\n matchIndex = _ref2$matchIndex === void 0 ? -1 : _ref2$matchIndex;\n\n if (!this._scrollMatches || !element) {\n return;\n } else if (matchIndex === -1 || matchIndex !== this._selected.matchIdx) {\n return;\n } else if (pageIndex === -1 || pageIndex !== this._selected.pageIdx) {\n return;\n }\n\n this._scrollMatches = false;\n var spot = {\n top: MATCH_SCROLL_OFFSET_TOP,\n left: MATCH_SCROLL_OFFSET_LEFT\n };\n (0, _ui_utils.scrollIntoView)(element, spot, true);\n }\n }, {\n key: \"_reset\",\n value: function _reset() {\n this._highlightMatches = false;\n this._scrollMatches = false;\n this._pdfDocument = null;\n this._pageMatches = [];\n this._pageMatchesLength = [];\n this._state = null;\n this._selected = {\n pageIdx: -1,\n matchIdx: -1\n };\n this._offset = {\n pageIdx: null,\n matchIdx: null,\n wrapped: false\n };\n this._extractTextPromises = [];\n this._pageContents = [];\n this._matchesCountTotal = 0;\n this._pagesToSearch = null;\n this._pendingFindMatches = Object.create(null);\n this._resumePageIdx = null;\n this._dirtyMatch = false;\n clearTimeout(this._findTimeout);\n this._findTimeout = null;\n this._firstPageCapability = (0, _pdfjsLib.createPromiseCapability)();\n }\n }, {\n key: \"_shouldDirtyMatch\",\n value: function _shouldDirtyMatch(cmd, state) {\n if (state.query !== this._state.query) {\n return true;\n }\n\n switch (cmd) {\n case \"findagain\":\n var pageNumber = this._selected.pageIdx + 1;\n var linkService = this._linkService;\n\n if (pageNumber >= 1 && pageNumber <= linkService.pagesCount && pageNumber !== linkService.page && !linkService.isPageVisible(pageNumber)) {\n return true;\n }\n\n return false;\n\n case \"findhighlightallchange\":\n return false;\n }\n\n return true;\n }\n }, {\n key: \"_prepareMatches\",\n value: function _prepareMatches(matchesWithLength, matches, matchesLength) {\n function isSubTerm(currentIndex) {\n var currentElem = matchesWithLength[currentIndex];\n var nextElem = matchesWithLength[currentIndex + 1];\n\n if (currentIndex < matchesWithLength.length - 1 && currentElem.match === nextElem.match) {\n currentElem.skipped = true;\n return true;\n }\n\n for (var i = currentIndex - 1; i >= 0; i--) {\n var prevElem = matchesWithLength[i];\n\n if (prevElem.skipped) {\n continue;\n }\n\n if (prevElem.match + prevElem.matchLength < currentElem.match) {\n break;\n }\n\n if (prevElem.match + prevElem.matchLength >= currentElem.match + currentElem.matchLength) {\n currentElem.skipped = true;\n return true;\n }\n }\n\n return false;\n }\n\n matchesWithLength.sort(function (a, b) {\n return a.match === b.match ? a.matchLength - b.matchLength : a.match - b.match;\n });\n\n for (var i = 0, len = matchesWithLength.length; i < len; i++) {\n if (isSubTerm(i)) {\n continue;\n }\n\n matches.push(matchesWithLength[i].match);\n matchesLength.push(matchesWithLength[i].matchLength);\n }\n }\n }, {\n key: \"_isEntireWord\",\n value: function _isEntireWord(content, startIdx, length) {\n if (startIdx > 0) {\n var first = content.charCodeAt(startIdx);\n var limit = content.charCodeAt(startIdx - 1);\n\n if ((0, _pdf_find_utils.getCharacterType)(first) === (0, _pdf_find_utils.getCharacterType)(limit)) {\n return false;\n }\n }\n\n var endIdx = startIdx + length - 1;\n\n if (endIdx < content.length - 1) {\n var last = content.charCodeAt(endIdx);\n\n var _limit = content.charCodeAt(endIdx + 1);\n\n if ((0, _pdf_find_utils.getCharacterType)(last) === (0, _pdf_find_utils.getCharacterType)(_limit)) {\n return false;\n }\n }\n\n return true;\n }\n }, {\n key: \"_calculatePhraseMatch\",\n value: function _calculatePhraseMatch(query, pageIndex, pageContent, entireWord) {\n var matches = [];\n var queryLen = query.length;\n var matchIdx = -queryLen;\n\n while (true) {\n matchIdx = pageContent.indexOf(query, matchIdx + queryLen);\n\n if (matchIdx === -1) {\n break;\n }\n\n if (entireWord && !this._isEntireWord(pageContent, matchIdx, queryLen)) {\n continue;\n }\n\n matches.push(matchIdx);\n }\n\n this._pageMatches[pageIndex] = matches;\n }\n }, {\n key: \"_calculateWordMatch\",\n value: function _calculateWordMatch(query, pageIndex, pageContent, entireWord) {\n var matchesWithLength = [];\n var queryArray = query.match(/\\S+/g);\n\n for (var i = 0, len = queryArray.length; i < len; i++) {\n var subquery = queryArray[i];\n var subqueryLen = subquery.length;\n var matchIdx = -subqueryLen;\n\n while (true) {\n matchIdx = pageContent.indexOf(subquery, matchIdx + subqueryLen);\n\n if (matchIdx === -1) {\n break;\n }\n\n if (entireWord && !this._isEntireWord(pageContent, matchIdx, subqueryLen)) {\n continue;\n }\n\n matchesWithLength.push({\n match: matchIdx,\n matchLength: subqueryLen,\n skipped: false\n });\n }\n }\n\n this._pageMatchesLength[pageIndex] = [];\n this._pageMatches[pageIndex] = [];\n\n this._prepareMatches(matchesWithLength, this._pageMatches[pageIndex], this._pageMatchesLength[pageIndex]);\n }\n }, {\n key: \"_calculateMatch\",\n value: function _calculateMatch(pageIndex) {\n var pageContent = this._pageContents[pageIndex];\n var query = this._query;\n var _this$_state = this._state,\n caseSensitive = _this$_state.caseSensitive,\n entireWord = _this$_state.entireWord,\n phraseSearch = _this$_state.phraseSearch;\n\n if (query.length === 0) {\n return;\n }\n\n if (!caseSensitive) {\n pageContent = pageContent.toLowerCase();\n query = query.toLowerCase();\n }\n\n if (phraseSearch) {\n this._calculatePhraseMatch(query, pageIndex, pageContent, entireWord);\n } else {\n this._calculateWordMatch(query, pageIndex, pageContent, entireWord);\n }\n\n if (this._state.highlightAll) {\n this._updatePage(pageIndex);\n }\n\n if (this._resumePageIdx === pageIndex) {\n this._resumePageIdx = null;\n\n this._nextPageMatch();\n }\n\n var pageMatchesCount = this._pageMatches[pageIndex].length;\n\n if (pageMatchesCount > 0) {\n this._matchesCountTotal += pageMatchesCount;\n\n this._updateUIResultsCount();\n }\n }\n }, {\n key: \"_extractText\",\n value: function _extractText() {\n var _this2 = this;\n\n if (this._extractTextPromises.length > 0) {\n return;\n }\n\n var promise = Promise.resolve();\n\n var _loop = function _loop(i, ii) {\n var extractTextCapability = (0, _pdfjsLib.createPromiseCapability)();\n _this2._extractTextPromises[i] = extractTextCapability.promise;\n promise = promise.then(function () {\n return _this2._pdfDocument.getPage(i + 1).then(function (pdfPage) {\n return pdfPage.getTextContent({\n normalizeWhitespace: true\n });\n }).then(function (textContent) {\n var textItems = textContent.items;\n var strBuf = [];\n\n for (var j = 0, jj = textItems.length; j < jj; j++) {\n strBuf.push(textItems[j].str);\n }\n\n _this2._pageContents[i] = normalize(strBuf.join(\"\"));\n extractTextCapability.resolve(i);\n }, function (reason) {\n console.error(\"Unable to get text content for page \".concat(i + 1), reason);\n _this2._pageContents[i] = \"\";\n extractTextCapability.resolve(i);\n });\n });\n };\n\n for (var i = 0, ii = this._linkService.pagesCount; i < ii; i++) {\n _loop(i, ii);\n }\n }\n }, {\n key: \"_updatePage\",\n value: function _updatePage(index) {\n if (this._scrollMatches && this._selected.pageIdx === index) {\n this._linkService.page = index + 1;\n }\n\n this._eventBus.dispatch(\"updatetextlayermatches\", {\n source: this,\n pageIndex: index\n });\n }\n }, {\n key: \"_updateAllPages\",\n value: function _updateAllPages() {\n this._eventBus.dispatch(\"updatetextlayermatches\", {\n source: this,\n pageIndex: -1\n });\n }\n }, {\n key: \"_nextMatch\",\n value: function _nextMatch() {\n var _this3 = this;\n\n var previous = this._state.findPrevious;\n var currentPageIndex = this._linkService.page - 1;\n var numPages = this._linkService.pagesCount;\n this._highlightMatches = true;\n\n if (this._dirtyMatch) {\n this._dirtyMatch = false;\n this._selected.pageIdx = this._selected.matchIdx = -1;\n this._offset.pageIdx = currentPageIndex;\n this._offset.matchIdx = null;\n this._offset.wrapped = false;\n this._resumePageIdx = null;\n this._pageMatches.length = 0;\n this._pageMatchesLength.length = 0;\n this._matchesCountTotal = 0;\n\n this._updateAllPages();\n\n for (var i = 0; i < numPages; i++) {\n if (this._pendingFindMatches[i] === true) {\n continue;\n }\n\n this._pendingFindMatches[i] = true;\n\n this._extractTextPromises[i].then(function (pageIdx) {\n delete _this3._pendingFindMatches[pageIdx];\n\n _this3._calculateMatch(pageIdx);\n });\n }\n }\n\n if (this._query === \"\") {\n this._updateUIState(FindState.FOUND);\n\n return;\n }\n\n if (this._resumePageIdx) {\n return;\n }\n\n var offset = this._offset;\n this._pagesToSearch = numPages;\n\n if (offset.matchIdx !== null) {\n var numPageMatches = this._pageMatches[offset.pageIdx].length;\n\n if (!previous && offset.matchIdx + 1 < numPageMatches || previous && offset.matchIdx > 0) {\n offset.matchIdx = previous ? offset.matchIdx - 1 : offset.matchIdx + 1;\n\n this._updateMatch(true);\n\n return;\n }\n\n this._advanceOffsetPage(previous);\n }\n\n this._nextPageMatch();\n }\n }, {\n key: \"_matchesReady\",\n value: function _matchesReady(matches) {\n var offset = this._offset;\n var numMatches = matches.length;\n var previous = this._state.findPrevious;\n\n if (numMatches) {\n offset.matchIdx = previous ? numMatches - 1 : 0;\n\n this._updateMatch(true);\n\n return true;\n }\n\n this._advanceOffsetPage(previous);\n\n if (offset.wrapped) {\n offset.matchIdx = null;\n\n if (this._pagesToSearch < 0) {\n this._updateMatch(false);\n\n return true;\n }\n }\n\n return false;\n }\n }, {\n key: \"_nextPageMatch\",\n value: function _nextPageMatch() {\n if (this._resumePageIdx !== null) {\n console.error(\"There can only be one pending page.\");\n }\n\n var matches = null;\n\n do {\n var pageIdx = this._offset.pageIdx;\n matches = this._pageMatches[pageIdx];\n\n if (!matches) {\n this._resumePageIdx = pageIdx;\n break;\n }\n } while (!this._matchesReady(matches));\n }\n }, {\n key: \"_advanceOffsetPage\",\n value: function _advanceOffsetPage(previous) {\n var offset = this._offset;\n var numPages = this._linkService.pagesCount;\n offset.pageIdx = previous ? offset.pageIdx - 1 : offset.pageIdx + 1;\n offset.matchIdx = null;\n this._pagesToSearch--;\n\n if (offset.pageIdx >= numPages || offset.pageIdx < 0) {\n offset.pageIdx = previous ? numPages - 1 : 0;\n offset.wrapped = true;\n }\n }\n }, {\n key: \"_updateMatch\",\n value: function _updateMatch() {\n var found = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : false;\n var state = FindState.NOT_FOUND;\n var wrapped = this._offset.wrapped;\n this._offset.wrapped = false;\n\n if (found) {\n var previousPage = this._selected.pageIdx;\n this._selected.pageIdx = this._offset.pageIdx;\n this._selected.matchIdx = this._offset.matchIdx;\n state = wrapped ? FindState.WRAPPED : FindState.FOUND;\n\n if (previousPage !== -1 && previousPage !== this._selected.pageIdx) {\n this._updatePage(previousPage);\n }\n }\n\n this._updateUIState(state, this._state.findPrevious);\n\n if (this._selected.pageIdx !== -1) {\n this._scrollMatches = true;\n\n this._updatePage(this._selected.pageIdx);\n }\n }\n }, {\n key: \"_onFindBarClose\",\n value: function _onFindBarClose(evt) {\n var _this4 = this;\n\n var pdfDocument = this._pdfDocument;\n\n this._firstPageCapability.promise.then(function () {\n if (!_this4._pdfDocument || pdfDocument && _this4._pdfDocument !== pdfDocument) {\n return;\n }\n\n if (_this4._findTimeout) {\n clearTimeout(_this4._findTimeout);\n _this4._findTimeout = null;\n }\n\n if (_this4._resumePageIdx) {\n _this4._resumePageIdx = null;\n _this4._dirtyMatch = true;\n }\n\n _this4._updateUIState(FindState.FOUND);\n\n _this4._highlightMatches = false;\n\n _this4._updateAllPages();\n });\n }\n }, {\n key: \"_requestMatchesCount\",\n value: function _requestMatchesCount() {\n var _this$_selected = this._selected,\n pageIdx = _this$_selected.pageIdx,\n matchIdx = _this$_selected.matchIdx;\n var current = 0,\n total = this._matchesCountTotal;\n\n if (matchIdx !== -1) {\n for (var i = 0; i < pageIdx; i++) {\n current += this._pageMatches[i] && this._pageMatches[i].length || 0;\n }\n\n current += matchIdx + 1;\n }\n\n if (current < 1 || current > total) {\n current = total = 0;\n }\n\n return {\n current: current,\n total: total\n };\n }\n }, {\n key: \"_updateUIResultsCount\",\n value: function _updateUIResultsCount() {\n this._eventBus.dispatch(\"updatefindmatchescount\", {\n source: this,\n matchesCount: this._requestMatchesCount()\n });\n }\n }, {\n key: \"_updateUIState\",\n value: function _updateUIState(state, previous) {\n this._eventBus.dispatch(\"updatefindcontrolstate\", {\n source: this,\n state: state,\n previous: previous,\n matchesCount: this._requestMatchesCount(),\n rawQuery: this._state ? this._state.query : null\n });\n }\n }, {\n key: \"highlightMatches\",\n get: function get() {\n return this._highlightMatches;\n }\n }, {\n key: \"pageMatches\",\n get: function get() {\n return this._pageMatches;\n }\n }, {\n key: \"pageMatchesLength\",\n get: function get() {\n return this._pageMatchesLength;\n }\n }, {\n key: \"selected\",\n get: function get() {\n return this._selected;\n }\n }, {\n key: \"state\",\n get: function get() {\n return this._state;\n }\n }, {\n key: \"_query\",\n get: function get() {\n if (this._state.query !== this._rawQuery) {\n this._rawQuery = this._state.query;\n this._normalizedQuery = normalize(this._state.query);\n }\n\n return this._normalizedQuery;\n }\n }]);\n\n return PDFFindController;\n}();\n\nexports.PDFFindController = PDFFindController;\n\n/***/ }),\n/* 14 */\n/***/ (function(module, exports, __w_pdfjs_require__) {\n\n\"use strict\";\n\n\nObject.defineProperty(exports, \"__esModule\", {\n value: true\n});\nexports.getCharacterType = getCharacterType;\nexports.CharacterType = void 0;\nvar CharacterType = {\n SPACE: 0,\n ALPHA_LETTER: 1,\n PUNCT: 2,\n HAN_LETTER: 3,\n KATAKANA_LETTER: 4,\n HIRAGANA_LETTER: 5,\n HALFWIDTH_KATAKANA_LETTER: 6,\n THAI_LETTER: 7\n};\nexports.CharacterType = CharacterType;\n\nfunction isAlphabeticalScript(charCode) {\n return charCode < 0x2e80;\n}\n\nfunction isAscii(charCode) {\n return (charCode & 0xff80) === 0;\n}\n\nfunction isAsciiAlpha(charCode) {\n return charCode >= 0x61 && charCode <= 0x7a || charCode >= 0x41 && charCode <= 0x5a;\n}\n\nfunction isAsciiDigit(charCode) {\n return charCode >= 0x30 && charCode <= 0x39;\n}\n\nfunction isAsciiSpace(charCode) {\n return charCode === 0x20 || charCode === 0x09 || charCode === 0x0d || charCode === 0x0a;\n}\n\nfunction isHan(charCode) {\n return charCode >= 0x3400 && charCode <= 0x9fff || charCode >= 0xf900 && charCode <= 0xfaff;\n}\n\nfunction isKatakana(charCode) {\n return charCode >= 0x30a0 && charCode <= 0x30ff;\n}\n\nfunction isHiragana(charCode) {\n return charCode >= 0x3040 && charCode <= 0x309f;\n}\n\nfunction isHalfwidthKatakana(charCode) {\n return charCode >= 0xff60 && charCode <= 0xff9f;\n}\n\nfunction isThai(charCode) {\n return (charCode & 0xff80) === 0x0e00;\n}\n\nfunction getCharacterType(charCode) {\n if (isAlphabeticalScript(charCode)) {\n if (isAscii(charCode)) {\n if (isAsciiSpace(charCode)) {\n return CharacterType.SPACE;\n } else if (isAsciiAlpha(charCode) || isAsciiDigit(charCode) || charCode === 0x5f) {\n return CharacterType.ALPHA_LETTER;\n }\n\n return CharacterType.PUNCT;\n } else if (isThai(charCode)) {\n return CharacterType.THAI_LETTER;\n } else if (charCode === 0xa0) {\n return CharacterType.SPACE;\n }\n\n return CharacterType.ALPHA_LETTER;\n }\n\n if (isHan(charCode)) {\n return CharacterType.HAN_LETTER;\n } else if (isKatakana(charCode)) {\n return CharacterType.KATAKANA_LETTER;\n } else if (isHiragana(charCode)) {\n return CharacterType.HIRAGANA_LETTER;\n } else if (isHalfwidthKatakana(charCode)) {\n return CharacterType.HALFWIDTH_KATAKANA_LETTER;\n }\n\n return CharacterType.ALPHA_LETTER;\n}\n\n/***/ }),\n/* 15 */\n/***/ (function(module, exports, __w_pdfjs_require__) {\n\n\"use strict\";\n\n\nObject.defineProperty(exports, \"__esModule\", {\n value: true\n});\nexports.isDestHashesEqual = isDestHashesEqual;\nexports.isDestArraysEqual = isDestArraysEqual;\nexports.PDFHistory = void 0;\n\nvar _ui_utils = __w_pdfjs_require__(3);\n\nfunction _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); }\n\nfunction _slicedToArray(arr, i) { return _arrayWithHoles(arr) || _iterableToArrayLimit(arr, i) || _unsupportedIterableToArray(arr, i) || _nonIterableRest(); }\n\nfunction _nonIterableRest() { throw new TypeError(\"Invalid attempt to destructure non-iterable instance.\\nIn order to be iterable, non-array objects must have a [Symbol.iterator]() method.\"); }\n\nfunction _unsupportedIterableToArray(o, minLen) { if (!o) return; if (typeof o === \"string\") return _arrayLikeToArray(o, minLen); var n = Object.prototype.toString.call(o).slice(8, -1); if (n === \"Object\" && o.constructor) n = o.constructor.name; if (n === \"Map\" || n === \"Set\") return Array.from(o); if (n === \"Arguments\" || /^(?:Ui|I)nt(?:8|16|32)(?:Clamped)?Array$/.test(n)) return _arrayLikeToArray(o, minLen); }\n\nfunction _arrayLikeToArray(arr, len) { if (len == null || len > arr.length) len = arr.length; for (var i = 0, arr2 = new Array(len); i < len; i++) { arr2[i] = arr[i]; } return arr2; }\n\nfunction _iterableToArrayLimit(arr, i) { if (typeof Symbol === \"undefined\" || !(Symbol.iterator in Object(arr))) return; var _arr = []; var _n = true; var _d = false; var _e = undefined; try { for (var _i = arr[Symbol.iterator](), _s; !(_n = (_s = _i.next()).done); _n = true) { _arr.push(_s.value); if (i && _arr.length === i) break; } } catch (err) { _d = true; _e = err; } finally { try { if (!_n && _i[\"return\"] != null) _i[\"return\"](); } finally { if (_d) throw _e; } } return _arr; }\n\nfunction _arrayWithHoles(arr) { if (Array.isArray(arr)) return arr; }\n\nfunction _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError(\"Cannot call a class as a function\"); } }\n\nfunction _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); } }\n\nfunction _createClass(Constructor, protoProps, staticProps) { if (protoProps) _defineProperties(Constructor.prototype, protoProps); if (staticProps) _defineProperties(Constructor, staticProps); return Constructor; }\n\nvar HASH_CHANGE_TIMEOUT = 1000;\nvar POSITION_UPDATED_THRESHOLD = 50;\nvar UPDATE_VIEWAREA_TIMEOUT = 1000;\n\nfunction getCurrentHash() {\n return document.location.hash;\n}\n\nvar PDFHistory = /*#__PURE__*/function () {\n function PDFHistory(_ref) {\n var _this = this;\n\n var linkService = _ref.linkService,\n eventBus = _ref.eventBus;\n\n _classCallCheck(this, PDFHistory);\n\n this.linkService = linkService;\n this.eventBus = eventBus;\n this._initialized = false;\n this._fingerprint = \"\";\n this.reset();\n this._boundEvents = null;\n this._isViewerInPresentationMode = false;\n\n this.eventBus._on(\"presentationmodechanged\", function (evt) {\n _this._isViewerInPresentationMode = evt.active || evt.switchInProgress;\n });\n\n this.eventBus._on(\"pagesinit\", function () {\n _this._isPagesLoaded = false;\n\n var onPagesLoaded = function onPagesLoaded(evt) {\n _this.eventBus._off(\"pagesloaded\", onPagesLoaded);\n\n _this._isPagesLoaded = !!evt.pagesCount;\n };\n\n _this.eventBus._on(\"pagesloaded\", onPagesLoaded);\n });\n }\n\n _createClass(PDFHistory, [{\n key: \"initialize\",\n value: function initialize(_ref2) {\n var fingerprint = _ref2.fingerprint,\n _ref2$resetHistory = _ref2.resetHistory,\n resetHistory = _ref2$resetHistory === void 0 ? false : _ref2$resetHistory,\n _ref2$updateUrl = _ref2.updateUrl,\n updateUrl = _ref2$updateUrl === void 0 ? false : _ref2$updateUrl;\n\n if (!fingerprint || typeof fingerprint !== \"string\") {\n console.error('PDFHistory.initialize: The \"fingerprint\" must be a non-empty string.');\n return;\n }\n\n if (this._initialized) {\n this.reset();\n }\n\n var reInitialized = this._fingerprint !== \"\" && this._fingerprint !== fingerprint;\n this._fingerprint = fingerprint;\n this._updateUrl = updateUrl === true;\n this._initialized = true;\n\n this._bindEvents();\n\n var state = window.history.state;\n this._popStateInProgress = false;\n this._blockHashChange = 0;\n this._currentHash = getCurrentHash();\n this._numPositionUpdates = 0;\n this._uid = this._maxUid = 0;\n this._destination = null;\n this._position = null;\n\n if (!this._isValidState(state, true) || resetHistory) {\n var _this$_parseCurrentHa = this._parseCurrentHash(true),\n hash = _this$_parseCurrentHa.hash,\n page = _this$_parseCurrentHa.page,\n rotation = _this$_parseCurrentHa.rotation;\n\n if (!hash || reInitialized || resetHistory) {\n this._pushOrReplaceState(null, true);\n\n return;\n }\n\n this._pushOrReplaceState({\n hash: hash,\n page: page,\n rotation: rotation\n }, true);\n\n return;\n }\n\n var destination = state.destination;\n\n this._updateInternalState(destination, state.uid, true);\n\n if (this._uid > this._maxUid) {\n this._maxUid = this._uid;\n }\n\n if (destination.rotation !== undefined) {\n this._initialRotation = destination.rotation;\n }\n\n if (destination.dest) {\n this._initialBookmark = JSON.stringify(destination.dest);\n this._destination.page = null;\n } else if (destination.hash) {\n this._initialBookmark = destination.hash;\n } else if (destination.page) {\n this._initialBookmark = \"page=\".concat(destination.page);\n }\n }\n }, {\n key: \"reset\",\n value: function reset() {\n if (this._initialized) {\n this._pageHide();\n\n this._initialized = false;\n\n this._unbindEvents();\n }\n\n if (this._updateViewareaTimeout) {\n clearTimeout(this._updateViewareaTimeout);\n this._updateViewareaTimeout = null;\n }\n\n this._initialBookmark = null;\n this._initialRotation = null;\n }\n }, {\n key: \"push\",\n value: function push(_ref3) {\n var _this2 = this;\n\n var _ref3$namedDest = _ref3.namedDest,\n namedDest = _ref3$namedDest === void 0 ? null : _ref3$namedDest,\n explicitDest = _ref3.explicitDest,\n pageNumber = _ref3.pageNumber;\n\n if (!this._initialized) {\n return;\n }\n\n if (namedDest && typeof namedDest !== \"string\") {\n console.error(\"PDFHistory.push: \" + \"\\\"\".concat(namedDest, \"\\\" is not a valid namedDest parameter.\"));\n return;\n } else if (!Array.isArray(explicitDest)) {\n console.error(\"PDFHistory.push: \" + \"\\\"\".concat(explicitDest, \"\\\" is not a valid explicitDest parameter.\"));\n return;\n } else if (!(Number.isInteger(pageNumber) && pageNumber > 0 && pageNumber <= this.linkService.pagesCount)) {\n if (pageNumber !== null || this._destination) {\n console.error(\"PDFHistory.push: \" + \"\\\"\".concat(pageNumber, \"\\\" is not a valid pageNumber parameter.\"));\n return;\n }\n }\n\n var hash = namedDest || JSON.stringify(explicitDest);\n\n if (!hash) {\n return;\n }\n\n var forceReplace = false;\n\n if (this._destination && (isDestHashesEqual(this._destination.hash, hash) || isDestArraysEqual(this._destination.dest, explicitDest))) {\n if (this._destination.page) {\n return;\n }\n\n forceReplace = true;\n }\n\n if (this._popStateInProgress && !forceReplace) {\n return;\n }\n\n this._pushOrReplaceState({\n dest: explicitDest,\n hash: hash,\n page: pageNumber,\n rotation: this.linkService.rotation\n }, forceReplace);\n\n if (!this._popStateInProgress) {\n this._popStateInProgress = true;\n Promise.resolve().then(function () {\n _this2._popStateInProgress = false;\n });\n }\n }\n }, {\n key: \"pushCurrentPosition\",\n value: function pushCurrentPosition() {\n if (!this._initialized || this._popStateInProgress) {\n return;\n }\n\n this._tryPushCurrentPosition();\n }\n }, {\n key: \"back\",\n value: function back() {\n if (!this._initialized || this._popStateInProgress) {\n return;\n }\n\n var state = window.history.state;\n\n if (this._isValidState(state) && state.uid > 0) {\n window.history.back();\n }\n }\n }, {\n key: \"forward\",\n value: function forward() {\n if (!this._initialized || this._popStateInProgress) {\n return;\n }\n\n var state = window.history.state;\n\n if (this._isValidState(state) && state.uid < this._maxUid) {\n window.history.forward();\n }\n }\n }, {\n key: \"_pushOrReplaceState\",\n value: function _pushOrReplaceState(destination) {\n var forceReplace = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : false;\n var shouldReplace = forceReplace || !this._destination;\n var newState = {\n fingerprint: this._fingerprint,\n uid: shouldReplace ? this._uid : this._uid + 1,\n destination: destination\n };\n\n this._updateInternalState(destination, newState.uid);\n\n var newUrl;\n\n if (this._updateUrl && destination && destination.hash) {\n var baseUrl = document.location.href.split(\"#\")[0];\n\n if (!baseUrl.startsWith(\"file://\")) {\n newUrl = \"\".concat(baseUrl, \"#\").concat(destination.hash);\n }\n }\n\n if (shouldReplace) {\n window.history.replaceState(newState, \"\", newUrl);\n } else {\n this._maxUid = this._uid;\n window.history.pushState(newState, \"\", newUrl);\n }\n }\n }, {\n key: \"_tryPushCurrentPosition\",\n value: function _tryPushCurrentPosition() {\n var temporary = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : false;\n\n if (!this._position) {\n return;\n }\n\n var position = this._position;\n\n if (temporary) {\n position = Object.assign(Object.create(null), this._position);\n position.temporary = true;\n }\n\n if (!this._destination) {\n this._pushOrReplaceState(position);\n\n return;\n }\n\n if (this._destination.temporary) {\n this._pushOrReplaceState(position, true);\n\n return;\n }\n\n if (this._destination.hash === position.hash) {\n return;\n }\n\n if (!this._destination.page && (POSITION_UPDATED_THRESHOLD <= 0 || this._numPositionUpdates <= POSITION_UPDATED_THRESHOLD)) {\n return;\n }\n\n var forceReplace = false;\n\n if (this._destination.page >= position.first && this._destination.page <= position.page) {\n if (this._destination.dest || !this._destination.first) {\n return;\n }\n\n forceReplace = true;\n }\n\n this._pushOrReplaceState(position, forceReplace);\n }\n }, {\n key: \"_isValidState\",\n value: function _isValidState(state) {\n var checkReload = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : false;\n\n if (!state) {\n return false;\n }\n\n if (state.fingerprint !== this._fingerprint) {\n if (checkReload) {\n if (typeof state.fingerprint !== \"string\" || state.fingerprint.length !== this._fingerprint.length) {\n return false;\n }\n\n var _performance$getEntri = performance.getEntriesByType(\"navigation\"),\n _performance$getEntri2 = _slicedToArray(_performance$getEntri, 1),\n perfEntry = _performance$getEntri2[0];\n\n if (!perfEntry || perfEntry.type !== \"reload\") {\n return false;\n }\n } else {\n return false;\n }\n }\n\n if (!Number.isInteger(state.uid) || state.uid < 0) {\n return false;\n }\n\n if (state.destination === null || _typeof(state.destination) !== \"object\") {\n return false;\n }\n\n return true;\n }\n }, {\n key: \"_updateInternalState\",\n value: function _updateInternalState(destination, uid) {\n var removeTemporary = arguments.length > 2 && arguments[2] !== undefined ? arguments[2] : false;\n\n if (this._updateViewareaTimeout) {\n clearTimeout(this._updateViewareaTimeout);\n this._updateViewareaTimeout = null;\n }\n\n if (removeTemporary && destination && destination.temporary) {\n delete destination.temporary;\n }\n\n this._destination = destination;\n this._uid = uid;\n this._numPositionUpdates = 0;\n }\n }, {\n key: \"_parseCurrentHash\",\n value: function _parseCurrentHash() {\n var checkNameddest = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : false;\n var hash = unescape(getCurrentHash()).substring(1);\n var params = (0, _ui_utils.parseQueryString)(hash);\n var nameddest = params.nameddest || \"\";\n var page = params.page | 0;\n\n if (!(Number.isInteger(page) && page > 0 && page <= this.linkService.pagesCount) || checkNameddest && nameddest.length > 0) {\n page = null;\n }\n\n return {\n hash: hash,\n page: page,\n rotation: this.linkService.rotation\n };\n }\n }, {\n key: \"_updateViewarea\",\n value: function _updateViewarea(_ref4) {\n var _this3 = this;\n\n var location = _ref4.location;\n\n if (this._updateViewareaTimeout) {\n clearTimeout(this._updateViewareaTimeout);\n this._updateViewareaTimeout = null;\n }\n\n this._position = {\n hash: this._isViewerInPresentationMode ? \"page=\".concat(location.pageNumber) : location.pdfOpenParams.substring(1),\n page: this.linkService.page,\n first: location.pageNumber,\n rotation: location.rotation\n };\n\n if (this._popStateInProgress) {\n return;\n }\n\n if (POSITION_UPDATED_THRESHOLD > 0 && this._isPagesLoaded && this._destination && !this._destination.page) {\n this._numPositionUpdates++;\n }\n\n if (UPDATE_VIEWAREA_TIMEOUT > 0) {\n this._updateViewareaTimeout = setTimeout(function () {\n if (!_this3._popStateInProgress) {\n _this3._tryPushCurrentPosition(true);\n }\n\n _this3._updateViewareaTimeout = null;\n }, UPDATE_VIEWAREA_TIMEOUT);\n }\n }\n }, {\n key: \"_popState\",\n value: function _popState(_ref5) {\n var _this4 = this;\n\n var state = _ref5.state;\n var newHash = getCurrentHash(),\n hashChanged = this._currentHash !== newHash;\n this._currentHash = newHash;\n\n if (!state) {\n this._uid++;\n\n var _this$_parseCurrentHa2 = this._parseCurrentHash(),\n hash = _this$_parseCurrentHa2.hash,\n page = _this$_parseCurrentHa2.page,\n rotation = _this$_parseCurrentHa2.rotation;\n\n this._pushOrReplaceState({\n hash: hash,\n page: page,\n rotation: rotation\n }, true);\n\n return;\n }\n\n if (!this._isValidState(state)) {\n return;\n }\n\n this._popStateInProgress = true;\n\n if (hashChanged) {\n this._blockHashChange++;\n (0, _ui_utils.waitOnEventOrTimeout)({\n target: window,\n name: \"hashchange\",\n delay: HASH_CHANGE_TIMEOUT\n }).then(function () {\n _this4._blockHashChange--;\n });\n }\n\n var destination = state.destination;\n\n this._updateInternalState(destination, state.uid, true);\n\n if (this._uid > this._maxUid) {\n this._maxUid = this._uid;\n }\n\n if ((0, _ui_utils.isValidRotation)(destination.rotation)) {\n this.linkService.rotation = destination.rotation;\n }\n\n if (destination.dest) {\n this.linkService.navigateTo(destination.dest);\n } else if (destination.hash) {\n this.linkService.setHash(destination.hash);\n } else if (destination.page) {\n this.linkService.page = destination.page;\n }\n\n Promise.resolve().then(function () {\n _this4._popStateInProgress = false;\n });\n }\n }, {\n key: \"_pageHide\",\n value: function _pageHide() {\n if (!this._destination || this._destination.temporary) {\n this._tryPushCurrentPosition();\n }\n }\n }, {\n key: \"_bindEvents\",\n value: function _bindEvents() {\n if (this._boundEvents) {\n return;\n }\n\n this._boundEvents = {\n updateViewarea: this._updateViewarea.bind(this),\n popState: this._popState.bind(this),\n pageHide: this._pageHide.bind(this)\n };\n\n this.eventBus._on(\"updateviewarea\", this._boundEvents.updateViewarea);\n\n window.addEventListener(\"popstate\", this._boundEvents.popState);\n window.addEventListener(\"pagehide\", this._boundEvents.pageHide);\n }\n }, {\n key: \"_unbindEvents\",\n value: function _unbindEvents() {\n if (!this._boundEvents) {\n return;\n }\n\n this.eventBus._off(\"updateviewarea\", this._boundEvents.updateViewarea);\n\n window.removeEventListener(\"popstate\", this._boundEvents.popState);\n window.removeEventListener(\"pagehide\", this._boundEvents.pageHide);\n this._boundEvents = null;\n }\n }, {\n key: \"popStateInProgress\",\n get: function get() {\n return this._initialized && (this._popStateInProgress || this._blockHashChange > 0);\n }\n }, {\n key: \"initialBookmark\",\n get: function get() {\n return this._initialized ? this._initialBookmark : null;\n }\n }, {\n key: \"initialRotation\",\n get: function get() {\n return this._initialized ? this._initialRotation : null;\n }\n }]);\n\n return PDFHistory;\n}();\n\nexports.PDFHistory = PDFHistory;\n\nfunction isDestHashesEqual(destHash, pushHash) {\n if (typeof destHash !== \"string\" || typeof pushHash !== \"string\") {\n return false;\n }\n\n if (destHash === pushHash) {\n return true;\n }\n\n var _parseQueryString = (0, _ui_utils.parseQueryString)(destHash),\n nameddest = _parseQueryString.nameddest;\n\n if (nameddest === pushHash) {\n return true;\n }\n\n return false;\n}\n\nfunction isDestArraysEqual(firstDest, secondDest) {\n function isEntryEqual(first, second) {\n if (_typeof(first) !== _typeof(second)) {\n return false;\n }\n\n if (Array.isArray(first) || Array.isArray(second)) {\n return false;\n }\n\n if (first !== null && _typeof(first) === \"object\" && second !== null) {\n if (Object.keys(first).length !== Object.keys(second).length) {\n return false;\n }\n\n for (var key in first) {\n if (!isEntryEqual(first[key], second[key])) {\n return false;\n }\n }\n\n return true;\n }\n\n return first === second || Number.isNaN(first) && Number.isNaN(second);\n }\n\n if (!(Array.isArray(firstDest) && Array.isArray(secondDest))) {\n return false;\n }\n\n if (firstDest.length !== secondDest.length) {\n return false;\n }\n\n for (var i = 0, ii = firstDest.length; i < ii; i++) {\n if (!isEntryEqual(firstDest[i], secondDest[i])) {\n return false;\n }\n }\n\n return true;\n}\n\n/***/ }),\n/* 16 */\n/***/ (function(module, exports, __w_pdfjs_require__) {\n\n\"use strict\";\n\n\nObject.defineProperty(exports, \"__esModule\", {\n value: true\n});\nexports.PDFPageView = void 0;\n\nvar _regenerator = _interopRequireDefault(__w_pdfjs_require__(4));\n\nvar _ui_utils = __w_pdfjs_require__(3);\n\nvar _pdfjsLib = __w_pdfjs_require__(2);\n\nvar _pdf_rendering_queue = __w_pdfjs_require__(17);\n\nvar _viewer_compatibility = __w_pdfjs_require__(10);\n\nfunction _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { \"default\": obj }; }\n\nfunction asyncGeneratorStep(gen, resolve, reject, _next, _throw, key, arg) { try { var info = gen[key](arg); var value = info.value; } catch (error) { reject(error); return; } if (info.done) { resolve(value); } else { Promise.resolve(value).then(_next, _throw); } }\n\nfunction _asyncToGenerator(fn) { return function () { var self = this, args = arguments; return new Promise(function (resolve, reject) { var gen = fn.apply(self, args); function _next(value) { asyncGeneratorStep(gen, resolve, reject, _next, _throw, \"next\", value); } function _throw(err) { asyncGeneratorStep(gen, resolve, reject, _next, _throw, \"throw\", err); } _next(undefined); }); }; }\n\nfunction _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError(\"Cannot call a class as a function\"); } }\n\nfunction _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); } }\n\nfunction _createClass(Constructor, protoProps, staticProps) { if (protoProps) _defineProperties(Constructor.prototype, protoProps); if (staticProps) _defineProperties(Constructor, staticProps); return Constructor; }\n\nvar MAX_CANVAS_PIXELS = _viewer_compatibility.viewerCompatibilityParams.maxCanvasPixels || 16777216;\n\nvar PDFPageView = /*#__PURE__*/function () {\n function PDFPageView(options) {\n _classCallCheck(this, PDFPageView);\n\n var container = options.container;\n var defaultViewport = options.defaultViewport;\n this.id = options.id;\n this.renderingId = \"page\" + this.id;\n this.pdfPage = null;\n this.pageLabel = null;\n this.rotation = 0;\n this.scale = options.scale || _ui_utils.DEFAULT_SCALE;\n this.viewport = defaultViewport;\n this.pdfPageRotate = defaultViewport.rotation;\n this._annotationStorage = options.annotationStorage || null;\n this._optionalContentConfigPromise = options.optionalContentConfigPromise || null;\n this.hasRestrictedScaling = false;\n this.textLayerMode = Number.isInteger(options.textLayerMode) ? options.textLayerMode : _ui_utils.TextLayerMode.ENABLE;\n this.imageResourcesPath = options.imageResourcesPath || \"\";\n this.renderInteractiveForms = typeof options.renderInteractiveForms === \"boolean\" ? options.renderInteractiveForms : true;\n this.useOnlyCssZoom = options.useOnlyCssZoom || false;\n this.maxCanvasPixels = options.maxCanvasPixels || MAX_CANVAS_PIXELS;\n this.eventBus = options.eventBus;\n this.renderingQueue = options.renderingQueue;\n this.textLayerFactory = options.textLayerFactory;\n this.annotationLayerFactory = options.annotationLayerFactory;\n this.renderer = options.renderer || _ui_utils.RendererType.CANVAS;\n this.enableWebGL = options.enableWebGL || false;\n this.l10n = options.l10n || _ui_utils.NullL10n;\n this.paintTask = null;\n this.paintedViewportMap = new WeakMap();\n this.renderingState = _pdf_rendering_queue.RenderingStates.INITIAL;\n this.resume = null;\n this.error = null;\n this.annotationLayer = null;\n this.textLayer = null;\n this.zoomLayer = null;\n var div = document.createElement(\"div\");\n div.className = \"page\";\n div.style.width = Math.floor(this.viewport.width) + \"px\";\n div.style.height = Math.floor(this.viewport.height) + \"px\";\n div.setAttribute(\"data-page-number\", this.id);\n this.div = div;\n container.appendChild(div);\n }\n\n _createClass(PDFPageView, [{\n key: \"setPdfPage\",\n value: function setPdfPage(pdfPage) {\n this.pdfPage = pdfPage;\n this.pdfPageRotate = pdfPage.rotate;\n var totalRotation = (this.rotation + this.pdfPageRotate) % 360;\n this.viewport = pdfPage.getViewport({\n scale: this.scale * _ui_utils.CSS_UNITS,\n rotation: totalRotation\n });\n this.stats = pdfPage.stats;\n this.reset();\n }\n }, {\n key: \"destroy\",\n value: function destroy() {\n this.reset();\n\n if (this.pdfPage) {\n this.pdfPage.cleanup();\n }\n }\n }, {\n key: \"_renderAnnotationLayer\",\n value: function () {\n var _renderAnnotationLayer2 = _asyncToGenerator( /*#__PURE__*/_regenerator[\"default\"].mark(function _callee() {\n var error;\n return _regenerator[\"default\"].wrap(function _callee$(_context) {\n while (1) {\n switch (_context.prev = _context.next) {\n case 0:\n error = null;\n _context.prev = 1;\n _context.next = 4;\n return this.annotationLayer.render(this.viewport, \"display\");\n\n case 4:\n _context.next = 9;\n break;\n\n case 6:\n _context.prev = 6;\n _context.t0 = _context[\"catch\"](1);\n error = _context.t0;\n\n case 9:\n _context.prev = 9;\n this.eventBus.dispatch(\"annotationlayerrendered\", {\n source: this,\n pageNumber: this.id,\n error: error\n });\n return _context.finish(9);\n\n case 12:\n case \"end\":\n return _context.stop();\n }\n }\n }, _callee, this, [[1, 6, 9, 12]]);\n }));\n\n function _renderAnnotationLayer() {\n return _renderAnnotationLayer2.apply(this, arguments);\n }\n\n return _renderAnnotationLayer;\n }()\n }, {\n key: \"_resetZoomLayer\",\n value: function _resetZoomLayer() {\n var removeFromDOM = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : false;\n\n if (!this.zoomLayer) {\n return;\n }\n\n var zoomLayerCanvas = this.zoomLayer.firstChild;\n this.paintedViewportMap[\"delete\"](zoomLayerCanvas);\n zoomLayerCanvas.width = 0;\n zoomLayerCanvas.height = 0;\n\n if (removeFromDOM) {\n this.zoomLayer.remove();\n }\n\n this.zoomLayer = null;\n }\n }, {\n key: \"reset\",\n value: function reset() {\n var keepZoomLayer = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : false;\n var keepAnnotations = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : false;\n this.cancelRendering(keepAnnotations);\n this.renderingState = _pdf_rendering_queue.RenderingStates.INITIAL;\n var div = this.div;\n div.style.width = Math.floor(this.viewport.width) + \"px\";\n div.style.height = Math.floor(this.viewport.height) + \"px\";\n var childNodes = div.childNodes;\n var currentZoomLayerNode = keepZoomLayer && this.zoomLayer || null;\n var currentAnnotationNode = keepAnnotations && this.annotationLayer && this.annotationLayer.div || null;\n\n for (var i = childNodes.length - 1; i >= 0; i--) {\n var node = childNodes[i];\n\n if (currentZoomLayerNode === node || currentAnnotationNode === node) {\n continue;\n }\n\n div.removeChild(node);\n }\n\n div.removeAttribute(\"data-loaded\");\n\n if (currentAnnotationNode) {\n this.annotationLayer.hide();\n } else if (this.annotationLayer) {\n this.annotationLayer.cancel();\n this.annotationLayer = null;\n }\n\n if (!currentZoomLayerNode) {\n if (this.canvas) {\n this.paintedViewportMap[\"delete\"](this.canvas);\n this.canvas.width = 0;\n this.canvas.height = 0;\n delete this.canvas;\n }\n\n this._resetZoomLayer();\n }\n\n if (this.svg) {\n this.paintedViewportMap[\"delete\"](this.svg);\n delete this.svg;\n }\n\n this.loadingIconDiv = document.createElement(\"div\");\n this.loadingIconDiv.className = \"loadingIcon\";\n div.appendChild(this.loadingIconDiv);\n }\n }, {\n key: \"update\",\n value: function update(scale, rotation) {\n var optionalContentConfigPromise = arguments.length > 2 && arguments[2] !== undefined ? arguments[2] : null;\n this.scale = scale || this.scale;\n\n if (typeof rotation !== \"undefined\") {\n this.rotation = rotation;\n }\n\n if (optionalContentConfigPromise instanceof Promise) {\n this._optionalContentConfigPromise = optionalContentConfigPromise;\n }\n\n var totalRotation = (this.rotation + this.pdfPageRotate) % 360;\n this.viewport = this.viewport.clone({\n scale: this.scale * _ui_utils.CSS_UNITS,\n rotation: totalRotation\n });\n\n if (this.svg) {\n this.cssTransform(this.svg, true);\n this.eventBus.dispatch(\"pagerendered\", {\n source: this,\n pageNumber: this.id,\n cssTransform: true,\n timestamp: performance.now()\n });\n return;\n }\n\n var isScalingRestricted = false;\n\n if (this.canvas && this.maxCanvasPixels > 0) {\n var outputScale = this.outputScale;\n\n if ((Math.floor(this.viewport.width) * outputScale.sx | 0) * (Math.floor(this.viewport.height) * outputScale.sy | 0) > this.maxCanvasPixels) {\n isScalingRestricted = true;\n }\n }\n\n if (this.canvas) {\n if (this.useOnlyCssZoom || this.hasRestrictedScaling && isScalingRestricted) {\n this.cssTransform(this.canvas, true);\n this.eventBus.dispatch(\"pagerendered\", {\n source: this,\n pageNumber: this.id,\n cssTransform: true,\n timestamp: performance.now()\n });\n return;\n }\n\n if (!this.zoomLayer && !this.canvas.hasAttribute(\"hidden\")) {\n this.zoomLayer = this.canvas.parentNode;\n this.zoomLayer.style.position = \"absolute\";\n }\n }\n\n if (this.zoomLayer) {\n this.cssTransform(this.zoomLayer.firstChild);\n }\n\n this.reset(true, true);\n }\n }, {\n key: \"cancelRendering\",\n value: function cancelRendering() {\n var keepAnnotations = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : false;\n\n if (this.paintTask) {\n this.paintTask.cancel();\n this.paintTask = null;\n }\n\n this.resume = null;\n\n if (this.textLayer) {\n this.textLayer.cancel();\n this.textLayer = null;\n }\n\n if (!keepAnnotations && this.annotationLayer) {\n this.annotationLayer.cancel();\n this.annotationLayer = null;\n }\n }\n }, {\n key: \"cssTransform\",\n value: function cssTransform(target) {\n var redrawAnnotations = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : false;\n var width = this.viewport.width;\n var height = this.viewport.height;\n var div = this.div;\n target.style.width = target.parentNode.style.width = div.style.width = Math.floor(width) + \"px\";\n target.style.height = target.parentNode.style.height = div.style.height = Math.floor(height) + \"px\";\n var relativeRotation = this.viewport.rotation - this.paintedViewportMap.get(target).rotation;\n var absRotation = Math.abs(relativeRotation);\n var scaleX = 1,\n scaleY = 1;\n\n if (absRotation === 90 || absRotation === 270) {\n scaleX = height / width;\n scaleY = width / height;\n }\n\n var cssTransform = \"rotate(\" + relativeRotation + \"deg) \" + \"scale(\" + scaleX + \",\" + scaleY + \")\";\n target.style.transform = cssTransform;\n\n if (this.textLayer) {\n var textLayerViewport = this.textLayer.viewport;\n var textRelativeRotation = this.viewport.rotation - textLayerViewport.rotation;\n var textAbsRotation = Math.abs(textRelativeRotation);\n var scale = width / textLayerViewport.width;\n\n if (textAbsRotation === 90 || textAbsRotation === 270) {\n scale = width / textLayerViewport.height;\n }\n\n var textLayerDiv = this.textLayer.textLayerDiv;\n var transX, transY;\n\n switch (textAbsRotation) {\n case 0:\n transX = transY = 0;\n break;\n\n case 90:\n transX = 0;\n transY = \"-\" + textLayerDiv.style.height;\n break;\n\n case 180:\n transX = \"-\" + textLayerDiv.style.width;\n transY = \"-\" + textLayerDiv.style.height;\n break;\n\n case 270:\n transX = \"-\" + textLayerDiv.style.width;\n transY = 0;\n break;\n\n default:\n console.error(\"Bad rotation value.\");\n break;\n }\n\n textLayerDiv.style.transform = \"rotate(\" + textAbsRotation + \"deg) \" + \"scale(\" + scale + \", \" + scale + \") \" + \"translate(\" + transX + \", \" + transY + \")\";\n textLayerDiv.style.transformOrigin = \"0% 0%\";\n }\n\n if (redrawAnnotations && this.annotationLayer) {\n this._renderAnnotationLayer();\n }\n }\n }, {\n key: \"getPagePoint\",\n value: function getPagePoint(x, y) {\n return this.viewport.convertToPdfPoint(x, y);\n }\n }, {\n key: \"draw\",\n value: function draw() {\n var _this = this;\n\n if (this.renderingState !== _pdf_rendering_queue.RenderingStates.INITIAL) {\n console.error(\"Must be in new state before drawing\");\n this.reset();\n }\n\n var div = this.div,\n pdfPage = this.pdfPage;\n\n if (!pdfPage) {\n this.renderingState = _pdf_rendering_queue.RenderingStates.FINISHED;\n\n if (this.loadingIconDiv) {\n div.removeChild(this.loadingIconDiv);\n delete this.loadingIconDiv;\n }\n\n return Promise.reject(new Error(\"pdfPage is not loaded\"));\n }\n\n this.renderingState = _pdf_rendering_queue.RenderingStates.RUNNING;\n var canvasWrapper = document.createElement(\"div\");\n canvasWrapper.style.width = div.style.width;\n canvasWrapper.style.height = div.style.height;\n canvasWrapper.classList.add(\"canvasWrapper\");\n\n if (this.annotationLayer && this.annotationLayer.div) {\n div.insertBefore(canvasWrapper, this.annotationLayer.div);\n } else {\n div.appendChild(canvasWrapper);\n }\n\n var textLayer = null;\n\n if (this.textLayerMode !== _ui_utils.TextLayerMode.DISABLE && this.textLayerFactory) {\n var textLayerDiv = document.createElement(\"div\");\n textLayerDiv.className = \"textLayer\";\n textLayerDiv.style.width = canvasWrapper.style.width;\n textLayerDiv.style.height = canvasWrapper.style.height;\n\n if (this.annotationLayer && this.annotationLayer.div) {\n div.insertBefore(textLayerDiv, this.annotationLayer.div);\n } else {\n div.appendChild(textLayerDiv);\n }\n\n textLayer = this.textLayerFactory.createTextLayerBuilder(textLayerDiv, this.id - 1, this.viewport, this.textLayerMode === _ui_utils.TextLayerMode.ENABLE_ENHANCE, this.eventBus);\n }\n\n this.textLayer = textLayer;\n var renderContinueCallback = null;\n\n if (this.renderingQueue) {\n renderContinueCallback = function renderContinueCallback(cont) {\n if (!_this.renderingQueue.isHighestPriority(_this)) {\n _this.renderingState = _pdf_rendering_queue.RenderingStates.PAUSED;\n\n _this.resume = function () {\n _this.renderingState = _pdf_rendering_queue.RenderingStates.RUNNING;\n cont();\n };\n\n return;\n }\n\n cont();\n };\n }\n\n var finishPaintTask = /*#__PURE__*/function () {\n var _ref = _asyncToGenerator( /*#__PURE__*/_regenerator[\"default\"].mark(function _callee2(error) {\n return _regenerator[\"default\"].wrap(function _callee2$(_context2) {\n while (1) {\n switch (_context2.prev = _context2.next) {\n case 0:\n if (paintTask === _this.paintTask) {\n _this.paintTask = null;\n }\n\n if (!(error instanceof _pdfjsLib.RenderingCancelledException)) {\n _context2.next = 4;\n break;\n }\n\n _this.error = null;\n return _context2.abrupt(\"return\");\n\n case 4:\n _this.renderingState = _pdf_rendering_queue.RenderingStates.FINISHED;\n\n if (_this.loadingIconDiv) {\n div.removeChild(_this.loadingIconDiv);\n delete _this.loadingIconDiv;\n }\n\n _this._resetZoomLayer(true);\n\n _this.error = error;\n _this.stats = pdfPage.stats;\n\n _this.eventBus.dispatch(\"pagerendered\", {\n source: _this,\n pageNumber: _this.id,\n cssTransform: false,\n timestamp: performance.now()\n });\n\n if (!error) {\n _context2.next = 12;\n break;\n }\n\n throw error;\n\n case 12:\n case \"end\":\n return _context2.stop();\n }\n }\n }, _callee2);\n }));\n\n return function finishPaintTask(_x) {\n return _ref.apply(this, arguments);\n };\n }();\n\n var paintTask = this.renderer === _ui_utils.RendererType.SVG ? this.paintOnSvg(canvasWrapper) : this.paintOnCanvas(canvasWrapper);\n paintTask.onRenderContinue = renderContinueCallback;\n this.paintTask = paintTask;\n var resultPromise = paintTask.promise.then(function () {\n return finishPaintTask(null).then(function () {\n if (textLayer) {\n var readableStream = pdfPage.streamTextContent({\n normalizeWhitespace: true\n });\n textLayer.setTextContentStream(readableStream);\n textLayer.render();\n }\n });\n }, function (reason) {\n return finishPaintTask(reason);\n });\n\n if (this.annotationLayerFactory) {\n if (!this.annotationLayer) {\n this.annotationLayer = this.annotationLayerFactory.createAnnotationLayerBuilder(div, pdfPage, this._annotationStorage, this.imageResourcesPath, this.renderInteractiveForms, this.l10n);\n }\n\n this._renderAnnotationLayer();\n }\n\n div.setAttribute(\"data-loaded\", true);\n this.eventBus.dispatch(\"pagerender\", {\n source: this,\n pageNumber: this.id\n });\n return resultPromise;\n }\n }, {\n key: \"paintOnCanvas\",\n value: function paintOnCanvas(canvasWrapper) {\n var renderCapability = (0, _pdfjsLib.createPromiseCapability)();\n var result = {\n promise: renderCapability.promise,\n onRenderContinue: function onRenderContinue(cont) {\n cont();\n },\n cancel: function cancel() {\n renderTask.cancel();\n }\n };\n var viewport = this.viewport;\n var canvas = document.createElement(\"canvas\");\n this.l10n.get(\"page_canvas\", {\n page: this.id\n }, \"Page {{page}}\").then(function (msg) {\n canvas.setAttribute(\"aria-label\", msg);\n });\n canvas.setAttribute(\"hidden\", \"hidden\");\n var isCanvasHidden = true;\n\n var showCanvas = function showCanvas() {\n if (isCanvasHidden) {\n canvas.removeAttribute(\"hidden\");\n isCanvasHidden = false;\n }\n };\n\n canvasWrapper.appendChild(canvas);\n this.canvas = canvas;\n canvas.mozOpaque = true;\n var ctx = canvas.getContext(\"2d\", {\n alpha: false\n });\n var outputScale = (0, _ui_utils.getOutputScale)(ctx);\n this.outputScale = outputScale;\n\n if (this.useOnlyCssZoom) {\n var actualSizeViewport = viewport.clone({\n scale: _ui_utils.CSS_UNITS\n });\n outputScale.sx *= actualSizeViewport.width / viewport.width;\n outputScale.sy *= actualSizeViewport.height / viewport.height;\n outputScale.scaled = true;\n }\n\n if (this.maxCanvasPixels > 0) {\n var pixelsInViewport = viewport.width * viewport.height;\n var maxScale = Math.sqrt(this.maxCanvasPixels / pixelsInViewport);\n\n if (outputScale.sx > maxScale || outputScale.sy > maxScale) {\n outputScale.sx = maxScale;\n outputScale.sy = maxScale;\n outputScale.scaled = true;\n this.hasRestrictedScaling = true;\n } else {\n this.hasRestrictedScaling = false;\n }\n }\n\n var sfx = (0, _ui_utils.approximateFraction)(outputScale.sx);\n var sfy = (0, _ui_utils.approximateFraction)(outputScale.sy);\n canvas.width = (0, _ui_utils.roundToDivide)(viewport.width * outputScale.sx, sfx[0]);\n canvas.height = (0, _ui_utils.roundToDivide)(viewport.height * outputScale.sy, sfy[0]);\n canvas.style.width = (0, _ui_utils.roundToDivide)(viewport.width, sfx[1]) + \"px\";\n canvas.style.height = (0, _ui_utils.roundToDivide)(viewport.height, sfy[1]) + \"px\";\n this.paintedViewportMap.set(canvas, viewport);\n var transform = !outputScale.scaled ? null : [outputScale.sx, 0, 0, outputScale.sy, 0, 0];\n var renderContext = {\n canvasContext: ctx,\n transform: transform,\n viewport: this.viewport,\n enableWebGL: this.enableWebGL,\n renderInteractiveForms: this.renderInteractiveForms,\n optionalContentConfigPromise: this._optionalContentConfigPromise\n };\n var renderTask = this.pdfPage.render(renderContext);\n\n renderTask.onContinue = function (cont) {\n showCanvas();\n\n if (result.onRenderContinue) {\n result.onRenderContinue(cont);\n } else {\n cont();\n }\n };\n\n renderTask.promise.then(function () {\n showCanvas();\n renderCapability.resolve(undefined);\n }, function (error) {\n showCanvas();\n renderCapability.reject(error);\n });\n return result;\n }\n }, {\n key: \"paintOnSvg\",\n value: function paintOnSvg(wrapper) {\n var _this2 = this;\n\n var cancelled = false;\n\n var ensureNotCancelled = function ensureNotCancelled() {\n if (cancelled) {\n throw new _pdfjsLib.RenderingCancelledException(\"Rendering cancelled, page \".concat(_this2.id), \"svg\");\n }\n };\n\n var pdfPage = this.pdfPage;\n var actualSizeViewport = this.viewport.clone({\n scale: _ui_utils.CSS_UNITS\n });\n var promise = pdfPage.getOperatorList().then(function (opList) {\n ensureNotCancelled();\n var svgGfx = new _pdfjsLib.SVGGraphics(pdfPage.commonObjs, pdfPage.objs);\n return svgGfx.getSVG(opList, actualSizeViewport).then(function (svg) {\n ensureNotCancelled();\n _this2.svg = svg;\n\n _this2.paintedViewportMap.set(svg, actualSizeViewport);\n\n svg.style.width = wrapper.style.width;\n svg.style.height = wrapper.style.height;\n _this2.renderingState = _pdf_rendering_queue.RenderingStates.FINISHED;\n wrapper.appendChild(svg);\n });\n });\n return {\n promise: promise,\n onRenderContinue: function onRenderContinue(cont) {\n cont();\n },\n cancel: function cancel() {\n cancelled = true;\n }\n };\n }\n }, {\n key: \"setPageLabel\",\n value: function setPageLabel(label) {\n this.pageLabel = typeof label === \"string\" ? label : null;\n\n if (this.pageLabel !== null) {\n this.div.setAttribute(\"data-page-label\", this.pageLabel);\n } else {\n this.div.removeAttribute(\"data-page-label\");\n }\n }\n }, {\n key: \"width\",\n get: function get() {\n return this.viewport.width;\n }\n }, {\n key: \"height\",\n get: function get() {\n return this.viewport.height;\n }\n }]);\n\n return PDFPageView;\n}();\n\nexports.PDFPageView = PDFPageView;\n\n/***/ }),\n/* 17 */\n/***/ (function(module, exports, __w_pdfjs_require__) {\n\n\"use strict\";\n\n\nObject.defineProperty(exports, \"__esModule\", {\n value: true\n});\nexports.PDFRenderingQueue = exports.RenderingStates = void 0;\n\nfunction _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError(\"Cannot call a class as a function\"); } }\n\nfunction _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); } }\n\nfunction _createClass(Constructor, protoProps, staticProps) { if (protoProps) _defineProperties(Constructor.prototype, protoProps); if (staticProps) _defineProperties(Constructor, staticProps); return Constructor; }\n\nvar CLEANUP_TIMEOUT = 30000;\nvar RenderingStates = {\n INITIAL: 0,\n RUNNING: 1,\n PAUSED: 2,\n FINISHED: 3\n};\nexports.RenderingStates = RenderingStates;\n\nvar PDFRenderingQueue = /*#__PURE__*/function () {\n function PDFRenderingQueue() {\n _classCallCheck(this, PDFRenderingQueue);\n\n this.pdfViewer = null;\n this.pdfThumbnailViewer = null;\n this.onIdle = null;\n this.highestPriorityPage = null;\n this.idleTimeout = null;\n this.printing = false;\n this.isThumbnailViewEnabled = false;\n }\n\n _createClass(PDFRenderingQueue, [{\n key: \"setViewer\",\n value: function setViewer(pdfViewer) {\n this.pdfViewer = pdfViewer;\n }\n }, {\n key: \"setThumbnailViewer\",\n value: function setThumbnailViewer(pdfThumbnailViewer) {\n this.pdfThumbnailViewer = pdfThumbnailViewer;\n }\n }, {\n key: \"isHighestPriority\",\n value: function isHighestPriority(view) {\n return this.highestPriorityPage === view.renderingId;\n }\n }, {\n key: \"renderHighestPriority\",\n value: function renderHighestPriority(currentlyVisiblePages) {\n if (this.idleTimeout) {\n clearTimeout(this.idleTimeout);\n this.idleTimeout = null;\n }\n\n if (this.pdfViewer.forceRendering(currentlyVisiblePages)) {\n return;\n }\n\n if (this.pdfThumbnailViewer && this.isThumbnailViewEnabled) {\n if (this.pdfThumbnailViewer.forceRendering()) {\n return;\n }\n }\n\n if (this.printing) {\n return;\n }\n\n if (this.onIdle) {\n this.idleTimeout = setTimeout(this.onIdle.bind(this), CLEANUP_TIMEOUT);\n }\n }\n }, {\n key: \"getHighestPriority\",\n value: function getHighestPriority(visible, views, scrolledDown) {\n var visibleViews = visible.views;\n var numVisible = visibleViews.length;\n\n if (numVisible === 0) {\n return null;\n }\n\n for (var i = 0; i < numVisible; ++i) {\n var view = visibleViews[i].view;\n\n if (!this.isViewFinished(view)) {\n return view;\n }\n }\n\n if (scrolledDown) {\n var nextPageIndex = visible.last.id;\n\n if (views[nextPageIndex] && !this.isViewFinished(views[nextPageIndex])) {\n return views[nextPageIndex];\n }\n } else {\n var previousPageIndex = visible.first.id - 2;\n\n if (views[previousPageIndex] && !this.isViewFinished(views[previousPageIndex])) {\n return views[previousPageIndex];\n }\n }\n\n return null;\n }\n }, {\n key: \"isViewFinished\",\n value: function isViewFinished(view) {\n return view.renderingState === RenderingStates.FINISHED;\n }\n }, {\n key: \"renderView\",\n value: function renderView(view) {\n var _this = this;\n\n switch (view.renderingState) {\n case RenderingStates.FINISHED:\n return false;\n\n case RenderingStates.PAUSED:\n this.highestPriorityPage = view.renderingId;\n view.resume();\n break;\n\n case RenderingStates.RUNNING:\n this.highestPriorityPage = view.renderingId;\n break;\n\n case RenderingStates.INITIAL:\n this.highestPriorityPage = view.renderingId;\n view.draw()[\"finally\"](function () {\n _this.renderHighestPriority();\n })[\"catch\"](function (reason) {\n console.error(\"renderView: \\\"\".concat(reason, \"\\\"\"));\n });\n break;\n }\n\n return true;\n }\n }]);\n\n return PDFRenderingQueue;\n}();\n\nexports.PDFRenderingQueue = PDFRenderingQueue;\n\n/***/ }),\n/* 18 */\n/***/ (function(module, exports, __w_pdfjs_require__) {\n\n\"use strict\";\n\n\nObject.defineProperty(exports, \"__esModule\", {\n value: true\n});\nexports.PDFSinglePageViewer = void 0;\n\nvar _base_viewer = __w_pdfjs_require__(19);\n\nvar _pdfjsLib = __w_pdfjs_require__(2);\n\nfunction _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); }\n\nfunction _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError(\"Cannot call a class as a function\"); } }\n\nfunction _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); } }\n\nfunction _createClass(Constructor, protoProps, staticProps) { if (protoProps) _defineProperties(Constructor.prototype, protoProps); if (staticProps) _defineProperties(Constructor, staticProps); return Constructor; }\n\nfunction _get(target, property, receiver) { if (typeof Reflect !== \"undefined\" && Reflect.get) { _get = Reflect.get; } else { _get = function _get(target, property, receiver) { var base = _superPropBase(target, property); if (!base) return; var desc = Object.getOwnPropertyDescriptor(base, property); if (desc.get) { return desc.get.call(receiver); } return desc.value; }; } return _get(target, property, receiver || target); }\n\nfunction _superPropBase(object, property) { while (!Object.prototype.hasOwnProperty.call(object, property)) { object = _getPrototypeOf(object); if (object === null) break; } return object; }\n\nfunction _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); }\n\nfunction _setPrototypeOf(o, p) { _setPrototypeOf = Object.setPrototypeOf || function _setPrototypeOf(o, p) { o.__proto__ = p; return o; }; return _setPrototypeOf(o, p); }\n\nfunction _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); }; }\n\nfunction _possibleConstructorReturn(self, call) { if (call && (_typeof(call) === \"object\" || typeof call === \"function\")) { return call; } return _assertThisInitialized(self); }\n\nfunction _assertThisInitialized(self) { if (self === void 0) { throw new ReferenceError(\"this hasn't been initialised - super() hasn't been called\"); } return self; }\n\nfunction _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; } }\n\nfunction _getPrototypeOf(o) { _getPrototypeOf = Object.setPrototypeOf ? Object.getPrototypeOf : function _getPrototypeOf(o) { return o.__proto__ || Object.getPrototypeOf(o); }; return _getPrototypeOf(o); }\n\nvar PDFSinglePageViewer = /*#__PURE__*/function (_BaseViewer) {\n _inherits(PDFSinglePageViewer, _BaseViewer);\n\n var _super = _createSuper(PDFSinglePageViewer);\n\n function PDFSinglePageViewer(options) {\n var _this;\n\n _classCallCheck(this, PDFSinglePageViewer);\n\n _this = _super.call(this, options);\n\n _this.eventBus._on(\"pagesinit\", function (evt) {\n _this._ensurePageViewVisible();\n });\n\n return _this;\n }\n\n _createClass(PDFSinglePageViewer, [{\n key: \"_resetView\",\n value: function _resetView() {\n _get(_getPrototypeOf(PDFSinglePageViewer.prototype), \"_resetView\", this).call(this);\n\n this._previousPageNumber = 1;\n this._shadowViewer = document.createDocumentFragment();\n this._updateScrollDown = null;\n }\n }, {\n key: \"_ensurePageViewVisible\",\n value: function _ensurePageViewVisible() {\n var pageView = this._pages[this._currentPageNumber - 1];\n var previousPageView = this._pages[this._previousPageNumber - 1];\n var viewerNodes = this.viewer.childNodes;\n\n switch (viewerNodes.length) {\n case 0:\n this.viewer.appendChild(pageView.div);\n break;\n\n case 1:\n if (viewerNodes[0] !== previousPageView.div) {\n throw new Error(\"_ensurePageViewVisible: Unexpected previously visible page.\");\n }\n\n if (pageView === previousPageView) {\n break;\n }\n\n this._shadowViewer.appendChild(previousPageView.div);\n\n this.viewer.appendChild(pageView.div);\n this.container.scrollTop = 0;\n break;\n\n default:\n throw new Error(\"_ensurePageViewVisible: Only one page should be visible at a time.\");\n }\n\n this._previousPageNumber = this._currentPageNumber;\n }\n }, {\n key: \"_scrollUpdate\",\n value: function _scrollUpdate() {\n if (this._updateScrollDown) {\n this._updateScrollDown();\n }\n\n _get(_getPrototypeOf(PDFSinglePageViewer.prototype), \"_scrollUpdate\", this).call(this);\n }\n }, {\n key: \"_scrollIntoView\",\n value: function _scrollIntoView(_ref) {\n var _this2 = this;\n\n var pageDiv = _ref.pageDiv,\n _ref$pageSpot = _ref.pageSpot,\n pageSpot = _ref$pageSpot === void 0 ? null : _ref$pageSpot,\n _ref$pageNumber = _ref.pageNumber,\n pageNumber = _ref$pageNumber === void 0 ? null : _ref$pageNumber;\n\n if (pageNumber) {\n this._setCurrentPageNumber(pageNumber);\n }\n\n var scrolledDown = this._currentPageNumber >= this._previousPageNumber;\n\n this._ensurePageViewVisible();\n\n this.update();\n\n _get(_getPrototypeOf(PDFSinglePageViewer.prototype), \"_scrollIntoView\", this).call(this, {\n pageDiv: pageDiv,\n pageSpot: pageSpot,\n pageNumber: pageNumber\n });\n\n this._updateScrollDown = function () {\n _this2.scroll.down = scrolledDown;\n _this2._updateScrollDown = null;\n };\n }\n }, {\n key: \"_getVisiblePages\",\n value: function _getVisiblePages() {\n return this._getCurrentVisiblePage();\n }\n }, {\n key: \"_updateHelper\",\n value: function _updateHelper(visiblePages) {}\n }, {\n key: \"_updateScrollMode\",\n value: function _updateScrollMode() {}\n }, {\n key: \"_updateSpreadMode\",\n value: function _updateSpreadMode() {}\n }, {\n key: \"_viewerElement\",\n get: function get() {\n return (0, _pdfjsLib.shadow)(this, \"_viewerElement\", this._shadowViewer);\n }\n }, {\n key: \"_isScrollModeHorizontal\",\n get: function get() {\n return (0, _pdfjsLib.shadow)(this, \"_isScrollModeHorizontal\", false);\n }\n }]);\n\n return PDFSinglePageViewer;\n}(_base_viewer.BaseViewer);\n\nexports.PDFSinglePageViewer = PDFSinglePageViewer;\n\n/***/ }),\n/* 19 */\n/***/ (function(module, exports, __w_pdfjs_require__) {\n\n\"use strict\";\n\n\nObject.defineProperty(exports, \"__esModule\", {\n value: true\n});\nexports.BaseViewer = void 0;\n\nvar _ui_utils = __w_pdfjs_require__(3);\n\nvar _pdf_rendering_queue = __w_pdfjs_require__(17);\n\nvar _annotation_layer_builder = __w_pdfjs_require__(1);\n\nvar _pdfjsLib = __w_pdfjs_require__(2);\n\nvar _pdf_page_view = __w_pdfjs_require__(16);\n\nvar _pdf_link_service = __w_pdfjs_require__(7);\n\nvar _text_layer_builder = __w_pdfjs_require__(8);\n\nfunction _createForOfIteratorHelper(o, allowArrayLike) { var it; if (typeof Symbol === \"undefined\" || o[Symbol.iterator] == null) { if (Array.isArray(o) || (it = _unsupportedIterableToArray(o)) || allowArrayLike && o && typeof o.length === \"number\") { if (it) o = it; var i = 0; var F = function F() {}; return { s: F, n: function n() { if (i >= o.length) return { done: true }; return { done: false, value: o[i++] }; }, e: function e(_e) { throw _e; }, f: F }; } throw new TypeError(\"Invalid attempt to iterate non-iterable instance.\\nIn order to be iterable, non-array objects must have a [Symbol.iterator]() method.\"); } var normalCompletion = true, didErr = false, err; return { s: function s() { it = o[Symbol.iterator](); }, n: function n() { var step = it.next(); normalCompletion = step.done; return step; }, e: function e(_e2) { didErr = true; err = _e2; }, f: function f() { try { if (!normalCompletion && it[\"return\"] != null) it[\"return\"](); } finally { if (didErr) throw err; } } }; }\n\nfunction _unsupportedIterableToArray(o, minLen) { if (!o) return; if (typeof o === \"string\") return _arrayLikeToArray(o, minLen); var n = Object.prototype.toString.call(o).slice(8, -1); if (n === \"Object\" && o.constructor) n = o.constructor.name; if (n === \"Map\" || n === \"Set\") return Array.from(o); if (n === \"Arguments\" || /^(?:Ui|I)nt(?:8|16|32)(?:Clamped)?Array$/.test(n)) return _arrayLikeToArray(o, minLen); }\n\nfunction _arrayLikeToArray(arr, len) { if (len == null || len > arr.length) len = arr.length; for (var i = 0, arr2 = new Array(len); i < len; i++) { arr2[i] = arr[i]; } return arr2; }\n\nfunction _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError(\"Cannot call a class as a function\"); } }\n\nfunction _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); } }\n\nfunction _createClass(Constructor, protoProps, staticProps) { if (protoProps) _defineProperties(Constructor.prototype, protoProps); if (staticProps) _defineProperties(Constructor, staticProps); return Constructor; }\n\nvar DEFAULT_CACHE_SIZE = 10;\n\nfunction PDFPageViewBuffer(size) {\n var data = [];\n\n this.push = function (view) {\n var i = data.indexOf(view);\n\n if (i >= 0) {\n data.splice(i, 1);\n }\n\n data.push(view);\n\n if (data.length > size) {\n data.shift().destroy();\n }\n };\n\n this.resize = function (newSize, pagesToKeep) {\n size = newSize;\n\n if (pagesToKeep) {\n var pageIdsToKeep = new Set();\n\n for (var i = 0, iMax = pagesToKeep.length; i < iMax; ++i) {\n pageIdsToKeep.add(pagesToKeep[i].id);\n }\n\n (0, _ui_utils.moveToEndOfArray)(data, function (page) {\n return pageIdsToKeep.has(page.id);\n });\n }\n\n while (data.length > size) {\n data.shift().destroy();\n }\n };\n}\n\nfunction isSameScale(oldScale, newScale) {\n if (newScale === oldScale) {\n return true;\n }\n\n if (Math.abs(newScale - oldScale) < 1e-15) {\n return true;\n }\n\n return false;\n}\n\nvar BaseViewer = /*#__PURE__*/function () {\n function BaseViewer(options) {\n var _this = this;\n\n _classCallCheck(this, BaseViewer);\n\n if (this.constructor === BaseViewer) {\n throw new Error(\"Cannot initialize BaseViewer.\");\n }\n\n this._name = this.constructor.name;\n this.container = options.container;\n this.viewer = options.viewer || options.container.firstElementChild;\n\n if (!(this.container instanceof HTMLDivElement && this.viewer instanceof HTMLDivElement)) {\n throw new Error(\"Invalid `container` and/or `viewer` option.\");\n }\n\n this.eventBus = options.eventBus;\n this.linkService = options.linkService || new _pdf_link_service.SimpleLinkService();\n this.downloadManager = options.downloadManager || null;\n this.findController = options.findController || null;\n this.removePageBorders = options.removePageBorders || false;\n this.textLayerMode = Number.isInteger(options.textLayerMode) ? options.textLayerMode : _ui_utils.TextLayerMode.ENABLE;\n this.imageResourcesPath = options.imageResourcesPath || \"\";\n this.renderInteractiveForms = typeof options.renderInteractiveForms === \"boolean\" ? options.renderInteractiveForms : true;\n this.enablePrintAutoRotate = options.enablePrintAutoRotate || false;\n this.renderer = options.renderer || _ui_utils.RendererType.CANVAS;\n this.enableWebGL = options.enableWebGL || false;\n this.useOnlyCssZoom = options.useOnlyCssZoom || false;\n this.maxCanvasPixels = options.maxCanvasPixels;\n this.l10n = options.l10n || _ui_utils.NullL10n;\n this.defaultRenderingQueue = !options.renderingQueue;\n\n if (this.defaultRenderingQueue) {\n this.renderingQueue = new _pdf_rendering_queue.PDFRenderingQueue();\n this.renderingQueue.setViewer(this);\n } else {\n this.renderingQueue = options.renderingQueue;\n }\n\n this.scroll = (0, _ui_utils.watchScroll)(this.container, this._scrollUpdate.bind(this));\n this.presentationModeState = _ui_utils.PresentationModeState.UNKNOWN;\n this._onBeforeDraw = this._onAfterDraw = null;\n\n this._resetView();\n\n if (this.removePageBorders) {\n this.viewer.classList.add(\"removePageBorders\");\n }\n\n Promise.resolve().then(function () {\n _this.eventBus.dispatch(\"baseviewerinit\", {\n source: _this\n });\n });\n }\n\n _createClass(BaseViewer, [{\n key: \"getPageView\",\n value: function getPageView(index) {\n return this._pages[index];\n }\n }, {\n key: \"_setCurrentPageNumber\",\n value: function _setCurrentPageNumber(val) {\n var resetCurrentPageView = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : false;\n\n if (this._currentPageNumber === val) {\n if (resetCurrentPageView) {\n this._resetCurrentPageView();\n }\n\n return true;\n }\n\n if (!(0 < val && val <= this.pagesCount)) {\n return false;\n }\n\n this._currentPageNumber = val;\n this.eventBus.dispatch(\"pagechanging\", {\n source: this,\n pageNumber: val,\n pageLabel: this._pageLabels && this._pageLabels[val - 1]\n });\n\n if (resetCurrentPageView) {\n this._resetCurrentPageView();\n }\n\n return true;\n }\n }, {\n key: \"_onePageRenderedOrForceFetch\",\n value: function _onePageRenderedOrForceFetch() {\n if (!this.container.offsetParent || this._getVisiblePages().views.length === 0) {\n return Promise.resolve();\n }\n\n return this._onePageRenderedCapability.promise;\n }\n }, {\n key: \"setDocument\",\n value: function setDocument(pdfDocument) {\n var _this2 = this;\n\n if (this.pdfDocument) {\n this._cancelRendering();\n\n this._resetView();\n\n if (this.findController) {\n this.findController.setDocument(null);\n }\n }\n\n this.pdfDocument = pdfDocument;\n\n if (!pdfDocument) {\n return;\n }\n\n var pagesCount = pdfDocument.numPages;\n var firstPagePromise = pdfDocument.getPage(1);\n var annotationStorage = pdfDocument.annotationStorage;\n var optionalContentConfigPromise = pdfDocument.getOptionalContentConfig();\n\n this._pagesCapability.promise.then(function () {\n _this2.eventBus.dispatch(\"pagesloaded\", {\n source: _this2,\n pagesCount: pagesCount\n });\n });\n\n this._onBeforeDraw = function (evt) {\n var pageView = _this2._pages[evt.pageNumber - 1];\n\n if (!pageView) {\n return;\n }\n\n _this2._buffer.push(pageView);\n };\n\n this.eventBus._on(\"pagerender\", this._onBeforeDraw);\n\n this._onAfterDraw = function (evt) {\n if (evt.cssTransform || _this2._onePageRenderedCapability.settled) {\n return;\n }\n\n _this2._onePageRenderedCapability.resolve();\n\n _this2.eventBus._off(\"pagerendered\", _this2._onAfterDraw);\n\n _this2._onAfterDraw = null;\n };\n\n this.eventBus._on(\"pagerendered\", this._onAfterDraw);\n\n firstPagePromise.then(function (firstPdfPage) {\n _this2._firstPageCapability.resolve(firstPdfPage);\n\n _this2._optionalContentConfigPromise = optionalContentConfigPromise;\n var scale = _this2.currentScale;\n var viewport = firstPdfPage.getViewport({\n scale: scale * _ui_utils.CSS_UNITS\n });\n var textLayerFactory = _this2.textLayerMode !== _ui_utils.TextLayerMode.DISABLE ? _this2 : null;\n\n for (var pageNum = 1; pageNum <= pagesCount; ++pageNum) {\n var pageView = new _pdf_page_view.PDFPageView({\n container: _this2._viewerElement,\n eventBus: _this2.eventBus,\n id: pageNum,\n scale: scale,\n defaultViewport: viewport.clone(),\n annotationStorage: annotationStorage,\n optionalContentConfigPromise: optionalContentConfigPromise,\n renderingQueue: _this2.renderingQueue,\n textLayerFactory: textLayerFactory,\n textLayerMode: _this2.textLayerMode,\n annotationLayerFactory: _this2,\n imageResourcesPath: _this2.imageResourcesPath,\n renderInteractiveForms: _this2.renderInteractiveForms,\n renderer: _this2.renderer,\n enableWebGL: _this2.enableWebGL,\n useOnlyCssZoom: _this2.useOnlyCssZoom,\n maxCanvasPixels: _this2.maxCanvasPixels,\n l10n: _this2.l10n\n });\n\n _this2._pages.push(pageView);\n }\n\n var firstPageView = _this2._pages[0];\n\n if (firstPageView) {\n firstPageView.setPdfPage(firstPdfPage);\n\n _this2.linkService.cachePageRef(1, firstPdfPage.ref);\n }\n\n if (_this2._spreadMode !== _ui_utils.SpreadMode.NONE) {\n _this2._updateSpreadMode();\n }\n\n _this2._onePageRenderedOrForceFetch().then(function () {\n if (_this2.findController) {\n _this2.findController.setDocument(pdfDocument);\n }\n\n if (pdfDocument.loadingParams.disableAutoFetch || pagesCount > 7500) {\n _this2._pagesCapability.resolve();\n\n return;\n }\n\n var getPagesLeft = pagesCount - 1;\n\n if (getPagesLeft <= 0) {\n _this2._pagesCapability.resolve();\n\n return;\n }\n\n var _loop = function _loop(_pageNum) {\n pdfDocument.getPage(_pageNum).then(function (pdfPage) {\n var pageView = _this2._pages[_pageNum - 1];\n\n if (!pageView.pdfPage) {\n pageView.setPdfPage(pdfPage);\n }\n\n _this2.linkService.cachePageRef(_pageNum, pdfPage.ref);\n\n if (--getPagesLeft === 0) {\n _this2._pagesCapability.resolve();\n }\n }, function (reason) {\n console.error(\"Unable to get page \".concat(_pageNum, \" to initialize viewer\"), reason);\n\n if (--getPagesLeft === 0) {\n _this2._pagesCapability.resolve();\n }\n });\n };\n\n for (var _pageNum = 2; _pageNum <= pagesCount; ++_pageNum) {\n _loop(_pageNum);\n }\n });\n\n _this2.eventBus.dispatch(\"pagesinit\", {\n source: _this2\n });\n\n if (_this2.defaultRenderingQueue) {\n _this2.update();\n }\n })[\"catch\"](function (reason) {\n console.error(\"Unable to initialize viewer\", reason);\n });\n }\n }, {\n key: \"setPageLabels\",\n value: function setPageLabels(labels) {\n if (!this.pdfDocument) {\n return;\n }\n\n if (!labels) {\n this._pageLabels = null;\n } else if (!(Array.isArray(labels) && this.pdfDocument.numPages === labels.length)) {\n this._pageLabels = null;\n console.error(\"\".concat(this._name, \".setPageLabels: Invalid page labels.\"));\n } else {\n this._pageLabels = labels;\n }\n\n for (var i = 0, ii = this._pages.length; i < ii; i++) {\n var pageView = this._pages[i];\n var label = this._pageLabels && this._pageLabels[i];\n pageView.setPageLabel(label);\n }\n }\n }, {\n key: \"_resetView\",\n value: function _resetView() {\n this._pages = [];\n this._currentPageNumber = 1;\n this._currentScale = _ui_utils.UNKNOWN_SCALE;\n this._currentScaleValue = null;\n this._pageLabels = null;\n this._buffer = new PDFPageViewBuffer(DEFAULT_CACHE_SIZE);\n this._location = null;\n this._pagesRotation = 0;\n this._optionalContentConfigPromise = null;\n this._pagesRequests = new WeakMap();\n this._firstPageCapability = (0, _pdfjsLib.createPromiseCapability)();\n this._onePageRenderedCapability = (0, _pdfjsLib.createPromiseCapability)();\n this._pagesCapability = (0, _pdfjsLib.createPromiseCapability)();\n this._scrollMode = _ui_utils.ScrollMode.VERTICAL;\n this._spreadMode = _ui_utils.SpreadMode.NONE;\n\n if (this._onBeforeDraw) {\n this.eventBus._off(\"pagerender\", this._onBeforeDraw);\n\n this._onBeforeDraw = null;\n }\n\n if (this._onAfterDraw) {\n this.eventBus._off(\"pagerendered\", this._onAfterDraw);\n\n this._onAfterDraw = null;\n }\n\n this.viewer.textContent = \"\";\n\n this._updateScrollMode();\n }\n }, {\n key: \"_scrollUpdate\",\n value: function _scrollUpdate() {\n if (this.pagesCount === 0) {\n return;\n }\n\n this.update();\n }\n }, {\n key: \"_scrollIntoView\",\n value: function _scrollIntoView(_ref) {\n var pageDiv = _ref.pageDiv,\n _ref$pageSpot = _ref.pageSpot,\n pageSpot = _ref$pageSpot === void 0 ? null : _ref$pageSpot,\n _ref$pageNumber = _ref.pageNumber,\n pageNumber = _ref$pageNumber === void 0 ? null : _ref$pageNumber;\n (0, _ui_utils.scrollIntoView)(pageDiv, pageSpot);\n }\n }, {\n key: \"_setScaleUpdatePages\",\n value: function _setScaleUpdatePages(newScale, newValue) {\n var noScroll = arguments.length > 2 && arguments[2] !== undefined ? arguments[2] : false;\n var preset = arguments.length > 3 && arguments[3] !== undefined ? arguments[3] : false;\n this._currentScaleValue = newValue.toString();\n\n if (isSameScale(this._currentScale, newScale)) {\n if (preset) {\n this.eventBus.dispatch(\"scalechanging\", {\n source: this,\n scale: newScale,\n presetValue: newValue\n });\n }\n\n return;\n }\n\n for (var i = 0, ii = this._pages.length; i < ii; i++) {\n this._pages[i].update(newScale);\n }\n\n this._currentScale = newScale;\n\n if (!noScroll) {\n var page = this._currentPageNumber,\n dest;\n\n if (this._location && !(this.isInPresentationMode || this.isChangingPresentationMode)) {\n page = this._location.pageNumber;\n dest = [null, {\n name: \"XYZ\"\n }, this._location.left, this._location.top, null];\n }\n\n this.scrollPageIntoView({\n pageNumber: page,\n destArray: dest,\n allowNegativeOffset: true\n });\n }\n\n this.eventBus.dispatch(\"scalechanging\", {\n source: this,\n scale: newScale,\n presetValue: preset ? newValue : undefined\n });\n\n if (this.defaultRenderingQueue) {\n this.update();\n }\n }\n }, {\n key: \"_setScale\",\n value: function _setScale(value) {\n var noScroll = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : false;\n var scale = parseFloat(value);\n\n if (scale > 0) {\n this._setScaleUpdatePages(scale, value, noScroll, false);\n } else {\n var currentPage = this._pages[this._currentPageNumber - 1];\n\n if (!currentPage) {\n return;\n }\n\n var noPadding = this.isInPresentationMode || this.removePageBorders;\n var hPadding = noPadding ? 0 : _ui_utils.SCROLLBAR_PADDING;\n var vPadding = noPadding ? 0 : _ui_utils.VERTICAL_PADDING;\n\n if (!noPadding && this._isScrollModeHorizontal) {\n var _ref2 = [vPadding, hPadding];\n hPadding = _ref2[0];\n vPadding = _ref2[1];\n }\n\n var pageWidthScale = (this.container.clientWidth - hPadding) / currentPage.width * currentPage.scale;\n var pageHeightScale = (this.container.clientHeight - vPadding) / currentPage.height * currentPage.scale;\n\n switch (value) {\n case \"page-actual\":\n scale = 1;\n break;\n\n case \"page-width\":\n scale = pageWidthScale;\n break;\n\n case \"page-height\":\n scale = pageHeightScale;\n break;\n\n case \"page-fit\":\n scale = Math.min(pageWidthScale, pageHeightScale);\n break;\n\n case \"auto\":\n var horizontalScale = (0, _ui_utils.isPortraitOrientation)(currentPage) ? pageWidthScale : Math.min(pageHeightScale, pageWidthScale);\n scale = Math.min(_ui_utils.MAX_AUTO_SCALE, horizontalScale);\n break;\n\n default:\n console.error(\"\".concat(this._name, \"._setScale: \\\"\").concat(value, \"\\\" is an unknown zoom value.\"));\n return;\n }\n\n this._setScaleUpdatePages(scale, value, noScroll, true);\n }\n }\n }, {\n key: \"_resetCurrentPageView\",\n value: function _resetCurrentPageView() {\n if (this.isInPresentationMode) {\n this._setScale(this._currentScaleValue, true);\n }\n\n var pageView = this._pages[this._currentPageNumber - 1];\n\n this._scrollIntoView({\n pageDiv: pageView.div\n });\n }\n }, {\n key: \"scrollPageIntoView\",\n value: function scrollPageIntoView(_ref3) {\n var pageNumber = _ref3.pageNumber,\n _ref3$destArray = _ref3.destArray,\n destArray = _ref3$destArray === void 0 ? null : _ref3$destArray,\n _ref3$allowNegativeOf = _ref3.allowNegativeOffset,\n allowNegativeOffset = _ref3$allowNegativeOf === void 0 ? false : _ref3$allowNegativeOf,\n _ref3$ignoreDestinati = _ref3.ignoreDestinationZoom,\n ignoreDestinationZoom = _ref3$ignoreDestinati === void 0 ? false : _ref3$ignoreDestinati;\n\n if (!this.pdfDocument) {\n return;\n }\n\n var pageView = Number.isInteger(pageNumber) && this._pages[pageNumber - 1];\n\n if (!pageView) {\n console.error(\"\".concat(this._name, \".scrollPageIntoView: \") + \"\\\"\".concat(pageNumber, \"\\\" is not a valid pageNumber parameter.\"));\n return;\n }\n\n if (this.isInPresentationMode || !destArray) {\n this._setCurrentPageNumber(pageNumber, true);\n\n return;\n }\n\n var x = 0,\n y = 0;\n var width = 0,\n height = 0,\n widthScale,\n heightScale;\n var changeOrientation = pageView.rotation % 180 !== 0;\n var pageWidth = (changeOrientation ? pageView.height : pageView.width) / pageView.scale / _ui_utils.CSS_UNITS;\n var pageHeight = (changeOrientation ? pageView.width : pageView.height) / pageView.scale / _ui_utils.CSS_UNITS;\n var scale = 0;\n\n switch (destArray[1].name) {\n case \"XYZ\":\n x = destArray[2];\n y = destArray[3];\n scale = destArray[4];\n x = x !== null ? x : 0;\n y = y !== null ? y : pageHeight;\n break;\n\n case \"Fit\":\n case \"FitB\":\n scale = \"page-fit\";\n break;\n\n case \"FitH\":\n case \"FitBH\":\n y = destArray[2];\n scale = \"page-width\";\n\n if (y === null && this._location) {\n x = this._location.left;\n y = this._location.top;\n }\n\n break;\n\n case \"FitV\":\n case \"FitBV\":\n x = destArray[2];\n width = pageWidth;\n height = pageHeight;\n scale = \"page-height\";\n break;\n\n case \"FitR\":\n x = destArray[2];\n y = destArray[3];\n width = destArray[4] - x;\n height = destArray[5] - y;\n var hPadding = this.removePageBorders ? 0 : _ui_utils.SCROLLBAR_PADDING;\n var vPadding = this.removePageBorders ? 0 : _ui_utils.VERTICAL_PADDING;\n widthScale = (this.container.clientWidth - hPadding) / width / _ui_utils.CSS_UNITS;\n heightScale = (this.container.clientHeight - vPadding) / height / _ui_utils.CSS_UNITS;\n scale = Math.min(Math.abs(widthScale), Math.abs(heightScale));\n break;\n\n default:\n console.error(\"\".concat(this._name, \".scrollPageIntoView: \") + \"\\\"\".concat(destArray[1].name, \"\\\" is not a valid destination type.\"));\n return;\n }\n\n if (!ignoreDestinationZoom) {\n if (scale && scale !== this._currentScale) {\n this.currentScaleValue = scale;\n } else if (this._currentScale === _ui_utils.UNKNOWN_SCALE) {\n this.currentScaleValue = _ui_utils.DEFAULT_SCALE_VALUE;\n }\n }\n\n if (scale === \"page-fit\" && !destArray[4]) {\n this._scrollIntoView({\n pageDiv: pageView.div,\n pageNumber: pageNumber\n });\n\n return;\n }\n\n var boundingRect = [pageView.viewport.convertToViewportPoint(x, y), pageView.viewport.convertToViewportPoint(x + width, y + height)];\n var left = Math.min(boundingRect[0][0], boundingRect[1][0]);\n var top = Math.min(boundingRect[0][1], boundingRect[1][1]);\n\n if (!allowNegativeOffset) {\n left = Math.max(left, 0);\n top = Math.max(top, 0);\n }\n\n this._scrollIntoView({\n pageDiv: pageView.div,\n pageSpot: {\n left: left,\n top: top\n },\n pageNumber: pageNumber\n });\n }\n }, {\n key: \"_updateLocation\",\n value: function _updateLocation(firstPage) {\n var currentScale = this._currentScale;\n var currentScaleValue = this._currentScaleValue;\n var normalizedScaleValue = parseFloat(currentScaleValue) === currentScale ? Math.round(currentScale * 10000) / 100 : currentScaleValue;\n var pageNumber = firstPage.id;\n var pdfOpenParams = \"#page=\" + pageNumber;\n pdfOpenParams += \"&zoom=\" + normalizedScaleValue;\n var currentPageView = this._pages[pageNumber - 1];\n var container = this.container;\n var topLeft = currentPageView.getPagePoint(container.scrollLeft - firstPage.x, container.scrollTop - firstPage.y);\n var intLeft = Math.round(topLeft[0]);\n var intTop = Math.round(topLeft[1]);\n pdfOpenParams += \",\" + intLeft + \",\" + intTop;\n this._location = {\n pageNumber: pageNumber,\n scale: normalizedScaleValue,\n top: intTop,\n left: intLeft,\n rotation: this._pagesRotation,\n pdfOpenParams: pdfOpenParams\n };\n }\n }, {\n key: \"_updateHelper\",\n value: function _updateHelper(visiblePages) {\n throw new Error(\"Not implemented: _updateHelper\");\n }\n }, {\n key: \"update\",\n value: function update() {\n var visible = this._getVisiblePages();\n\n var visiblePages = visible.views,\n numVisiblePages = visiblePages.length;\n\n if (numVisiblePages === 0) {\n return;\n }\n\n var newCacheSize = Math.max(DEFAULT_CACHE_SIZE, 2 * numVisiblePages + 1);\n\n this._buffer.resize(newCacheSize, visiblePages);\n\n this.renderingQueue.renderHighestPriority(visible);\n\n this._updateHelper(visiblePages);\n\n this._updateLocation(visible.first);\n\n this.eventBus.dispatch(\"updateviewarea\", {\n source: this,\n location: this._location\n });\n }\n }, {\n key: \"containsElement\",\n value: function containsElement(element) {\n return this.container.contains(element);\n }\n }, {\n key: \"focus\",\n value: function focus() {\n this.container.focus();\n }\n }, {\n key: \"_getCurrentVisiblePage\",\n value: function _getCurrentVisiblePage() {\n if (!this.pagesCount) {\n return {\n views: []\n };\n }\n\n var pageView = this._pages[this._currentPageNumber - 1];\n var element = pageView.div;\n var view = {\n id: pageView.id,\n x: element.offsetLeft + element.clientLeft,\n y: element.offsetTop + element.clientTop,\n view: pageView\n };\n return {\n first: view,\n last: view,\n views: [view]\n };\n }\n }, {\n key: \"_getVisiblePages\",\n value: function _getVisiblePages() {\n return (0, _ui_utils.getVisibleElements)(this.container, this._pages, true, this._isScrollModeHorizontal);\n }\n }, {\n key: \"isPageVisible\",\n value: function isPageVisible(pageNumber) {\n if (!this.pdfDocument) {\n return false;\n }\n\n if (pageNumber < 1 || pageNumber > this.pagesCount) {\n console.error(\"\".concat(this._name, \".isPageVisible: \\\"\").concat(pageNumber, \"\\\" is out of bounds.\"));\n return false;\n }\n\n return this._getVisiblePages().views.some(function (view) {\n return view.id === pageNumber;\n });\n }\n }, {\n key: \"cleanup\",\n value: function cleanup() {\n for (var i = 0, ii = this._pages.length; i < ii; i++) {\n if (this._pages[i] && this._pages[i].renderingState !== _pdf_rendering_queue.RenderingStates.FINISHED) {\n this._pages[i].reset();\n }\n }\n }\n }, {\n key: \"_cancelRendering\",\n value: function _cancelRendering() {\n for (var i = 0, ii = this._pages.length; i < ii; i++) {\n if (this._pages[i]) {\n this._pages[i].cancelRendering();\n }\n }\n }\n }, {\n key: \"_ensurePdfPageLoaded\",\n value: function _ensurePdfPageLoaded(pageView) {\n var _this3 = this;\n\n if (pageView.pdfPage) {\n return Promise.resolve(pageView.pdfPage);\n }\n\n if (this._pagesRequests.has(pageView)) {\n return this._pagesRequests.get(pageView);\n }\n\n var promise = this.pdfDocument.getPage(pageView.id).then(function (pdfPage) {\n if (!pageView.pdfPage) {\n pageView.setPdfPage(pdfPage);\n }\n\n _this3._pagesRequests[\"delete\"](pageView);\n\n return pdfPage;\n })[\"catch\"](function (reason) {\n console.error(\"Unable to get page for page view\", reason);\n\n _this3._pagesRequests[\"delete\"](pageView);\n });\n\n this._pagesRequests.set(pageView, promise);\n\n return promise;\n }\n }, {\n key: \"forceRendering\",\n value: function forceRendering(currentlyVisiblePages) {\n var _this4 = this;\n\n var visiblePages = currentlyVisiblePages || this._getVisiblePages();\n\n var scrollAhead = this._isScrollModeHorizontal ? this.scroll.right : this.scroll.down;\n var pageView = this.renderingQueue.getHighestPriority(visiblePages, this._pages, scrollAhead);\n\n if (pageView) {\n this._ensurePdfPageLoaded(pageView).then(function () {\n _this4.renderingQueue.renderView(pageView);\n });\n\n return true;\n }\n\n return false;\n }\n }, {\n key: \"createTextLayerBuilder\",\n value: function createTextLayerBuilder(textLayerDiv, pageIndex, viewport) {\n var enhanceTextSelection = arguments.length > 3 && arguments[3] !== undefined ? arguments[3] : false;\n var eventBus = arguments.length > 4 ? arguments[4] : undefined;\n return new _text_layer_builder.TextLayerBuilder({\n textLayerDiv: textLayerDiv,\n eventBus: eventBus,\n pageIndex: pageIndex,\n viewport: viewport,\n findController: this.isInPresentationMode ? null : this.findController,\n enhanceTextSelection: this.isInPresentationMode ? false : enhanceTextSelection\n });\n }\n }, {\n key: \"createAnnotationLayerBuilder\",\n value: function createAnnotationLayerBuilder(pageDiv, pdfPage) {\n var annotationStorage = arguments.length > 2 && arguments[2] !== undefined ? arguments[2] : null;\n var imageResourcesPath = arguments.length > 3 && arguments[3] !== undefined ? arguments[3] : \"\";\n var renderInteractiveForms = arguments.length > 4 && arguments[4] !== undefined ? arguments[4] : false;\n var l10n = arguments.length > 5 && arguments[5] !== undefined ? arguments[5] : _ui_utils.NullL10n;\n return new _annotation_layer_builder.AnnotationLayerBuilder({\n pageDiv: pageDiv,\n pdfPage: pdfPage,\n annotationStorage: annotationStorage,\n imageResourcesPath: imageResourcesPath,\n renderInteractiveForms: renderInteractiveForms,\n linkService: this.linkService,\n downloadManager: this.downloadManager,\n l10n: l10n\n });\n }\n }, {\n key: \"getPagesOverview\",\n value: function getPagesOverview() {\n var pagesOverview = this._pages.map(function (pageView) {\n var viewport = pageView.pdfPage.getViewport({\n scale: 1\n });\n return {\n width: viewport.width,\n height: viewport.height,\n rotation: viewport.rotation\n };\n });\n\n if (!this.enablePrintAutoRotate) {\n return pagesOverview;\n }\n\n return pagesOverview.map(function (size) {\n if ((0, _ui_utils.isPortraitOrientation)(size)) {\n return size;\n }\n\n return {\n width: size.height,\n height: size.width,\n rotation: (size.rotation + 90) % 360\n };\n });\n }\n }, {\n key: \"_updateScrollMode\",\n value: function _updateScrollMode() {\n var pageNumber = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : null;\n var scrollMode = this._scrollMode,\n viewer = this.viewer;\n viewer.classList.toggle(\"scrollHorizontal\", scrollMode === _ui_utils.ScrollMode.HORIZONTAL);\n viewer.classList.toggle(\"scrollWrapped\", scrollMode === _ui_utils.ScrollMode.WRAPPED);\n\n if (!this.pdfDocument || !pageNumber) {\n return;\n }\n\n if (this._currentScaleValue && isNaN(this._currentScaleValue)) {\n this._setScale(this._currentScaleValue, true);\n }\n\n this._setCurrentPageNumber(pageNumber, true);\n\n this.update();\n }\n }, {\n key: \"_updateSpreadMode\",\n value: function _updateSpreadMode() {\n var pageNumber = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : null;\n\n if (!this.pdfDocument) {\n return;\n }\n\n var viewer = this.viewer,\n pages = this._pages;\n viewer.textContent = \"\";\n\n if (this._spreadMode === _ui_utils.SpreadMode.NONE) {\n for (var i = 0, iMax = pages.length; i < iMax; ++i) {\n viewer.appendChild(pages[i].div);\n }\n } else {\n var parity = this._spreadMode - 1;\n var spread = null;\n\n for (var _i = 0, _iMax = pages.length; _i < _iMax; ++_i) {\n if (spread === null) {\n spread = document.createElement(\"div\");\n spread.className = \"spread\";\n viewer.appendChild(spread);\n } else if (_i % 2 === parity) {\n spread = spread.cloneNode(false);\n viewer.appendChild(spread);\n }\n\n spread.appendChild(pages[_i].div);\n }\n }\n\n if (!pageNumber) {\n return;\n }\n\n this._setCurrentPageNumber(pageNumber, true);\n\n this.update();\n }\n }, {\n key: \"pagesCount\",\n get: function get() {\n return this._pages.length;\n }\n }, {\n key: \"pageViewsReady\",\n get: function get() {\n if (!this._pagesCapability.settled) {\n return false;\n }\n\n return this._pages.every(function (pageView) {\n return pageView && pageView.pdfPage;\n });\n }\n }, {\n key: \"currentPageNumber\",\n get: function get() {\n return this._currentPageNumber;\n },\n set: function set(val) {\n if (!Number.isInteger(val)) {\n throw new Error(\"Invalid page number.\");\n }\n\n if (!this.pdfDocument) {\n return;\n }\n\n if (!this._setCurrentPageNumber(val, true)) {\n console.error(\"\".concat(this._name, \".currentPageNumber: \\\"\").concat(val, \"\\\" is not a valid page.\"));\n }\n }\n }, {\n key: \"currentPageLabel\",\n get: function get() {\n return this._pageLabels && this._pageLabels[this._currentPageNumber - 1];\n },\n set: function set(val) {\n if (!this.pdfDocument) {\n return;\n }\n\n var page = val | 0;\n\n if (this._pageLabels) {\n var i = this._pageLabels.indexOf(val);\n\n if (i >= 0) {\n page = i + 1;\n }\n }\n\n if (!this._setCurrentPageNumber(page, true)) {\n console.error(\"\".concat(this._name, \".currentPageLabel: \\\"\").concat(val, \"\\\" is not a valid page.\"));\n }\n }\n }, {\n key: \"currentScale\",\n get: function get() {\n return this._currentScale !== _ui_utils.UNKNOWN_SCALE ? this._currentScale : _ui_utils.DEFAULT_SCALE;\n },\n set: function set(val) {\n if (isNaN(val)) {\n throw new Error(\"Invalid numeric scale.\");\n }\n\n if (!this.pdfDocument) {\n return;\n }\n\n this._setScale(val, false);\n }\n }, {\n key: \"currentScaleValue\",\n get: function get() {\n return this._currentScaleValue;\n },\n set: function set(val) {\n if (!this.pdfDocument) {\n return;\n }\n\n this._setScale(val, false);\n }\n }, {\n key: \"pagesRotation\",\n get: function get() {\n return this._pagesRotation;\n },\n set: function set(rotation) {\n if (!(0, _ui_utils.isValidRotation)(rotation)) {\n throw new Error(\"Invalid pages rotation angle.\");\n }\n\n if (!this.pdfDocument) {\n return;\n }\n\n if (this._pagesRotation === rotation) {\n return;\n }\n\n this._pagesRotation = rotation;\n var pageNumber = this._currentPageNumber;\n\n for (var i = 0, ii = this._pages.length; i < ii; i++) {\n var pageView = this._pages[i];\n pageView.update(pageView.scale, rotation);\n }\n\n if (this._currentScaleValue) {\n this._setScale(this._currentScaleValue, true);\n }\n\n this.eventBus.dispatch(\"rotationchanging\", {\n source: this,\n pagesRotation: rotation,\n pageNumber: pageNumber\n });\n\n if (this.defaultRenderingQueue) {\n this.update();\n }\n }\n }, {\n key: \"firstPagePromise\",\n get: function get() {\n return this.pdfDocument ? this._firstPageCapability.promise : null;\n }\n }, {\n key: \"onePageRendered\",\n get: function get() {\n return this.pdfDocument ? this._onePageRenderedCapability.promise : null;\n }\n }, {\n key: \"pagesPromise\",\n get: function get() {\n return this.pdfDocument ? this._pagesCapability.promise : null;\n }\n }, {\n key: \"_viewerElement\",\n get: function get() {\n throw new Error(\"Not implemented: _viewerElement\");\n }\n }, {\n key: \"_isScrollModeHorizontal\",\n get: function get() {\n return this.isInPresentationMode ? false : this._scrollMode === _ui_utils.ScrollMode.HORIZONTAL;\n }\n }, {\n key: \"isInPresentationMode\",\n get: function get() {\n return this.presentationModeState === _ui_utils.PresentationModeState.FULLSCREEN;\n }\n }, {\n key: \"isChangingPresentationMode\",\n get: function get() {\n return this.presentationModeState === _ui_utils.PresentationModeState.CHANGING;\n }\n }, {\n key: \"isHorizontalScrollbarEnabled\",\n get: function get() {\n return this.isInPresentationMode ? false : this.container.scrollWidth > this.container.clientWidth;\n }\n }, {\n key: \"isVerticalScrollbarEnabled\",\n get: function get() {\n return this.isInPresentationMode ? false : this.container.scrollHeight > this.container.clientHeight;\n }\n }, {\n key: \"hasEqualPageSizes\",\n get: function get() {\n var firstPageView = this._pages[0];\n\n for (var i = 1, ii = this._pages.length; i < ii; ++i) {\n var pageView = this._pages[i];\n\n if (pageView.width !== firstPageView.width || pageView.height !== firstPageView.height) {\n return false;\n }\n }\n\n return true;\n }\n }, {\n key: \"optionalContentConfigPromise\",\n get: function get() {\n if (!this.pdfDocument) {\n return Promise.resolve(null);\n }\n\n if (!this._optionalContentConfigPromise) {\n return this.pdfDocument.getOptionalContentConfig();\n }\n\n return this._optionalContentConfigPromise;\n },\n set: function set(promise) {\n if (!(promise instanceof Promise)) {\n throw new Error(\"Invalid optionalContentConfigPromise: \".concat(promise));\n }\n\n if (!this.pdfDocument) {\n return;\n }\n\n if (!this._optionalContentConfigPromise) {\n return;\n }\n\n this._optionalContentConfigPromise = promise;\n\n var _iterator = _createForOfIteratorHelper(this._pages),\n _step;\n\n try {\n for (_iterator.s(); !(_step = _iterator.n()).done;) {\n var pageView = _step.value;\n pageView.update(pageView.scale, pageView.rotation, promise);\n }\n } catch (err) {\n _iterator.e(err);\n } finally {\n _iterator.f();\n }\n\n this.update();\n this.eventBus.dispatch(\"optionalcontentconfigchanged\", {\n source: this,\n promise: promise\n });\n }\n }, {\n key: \"scrollMode\",\n get: function get() {\n return this._scrollMode;\n },\n set: function set(mode) {\n if (this._scrollMode === mode) {\n return;\n }\n\n if (!(0, _ui_utils.isValidScrollMode)(mode)) {\n throw new Error(\"Invalid scroll mode: \".concat(mode));\n }\n\n this._scrollMode = mode;\n this.eventBus.dispatch(\"scrollmodechanged\", {\n source: this,\n mode: mode\n });\n\n this._updateScrollMode(this._currentPageNumber);\n }\n }, {\n key: \"spreadMode\",\n get: function get() {\n return this._spreadMode;\n },\n set: function set(mode) {\n if (this._spreadMode === mode) {\n return;\n }\n\n if (!(0, _ui_utils.isValidSpreadMode)(mode)) {\n throw new Error(\"Invalid spread mode: \".concat(mode));\n }\n\n this._spreadMode = mode;\n this.eventBus.dispatch(\"spreadmodechanged\", {\n source: this,\n mode: mode\n });\n\n this._updateSpreadMode(this._currentPageNumber);\n }\n }]);\n\n return BaseViewer;\n}();\n\nexports.BaseViewer = BaseViewer;\n\n/***/ }),\n/* 20 */\n/***/ (function(module, exports, __w_pdfjs_require__) {\n\n\"use strict\";\n\n\nObject.defineProperty(exports, \"__esModule\", {\n value: true\n});\nexports.PDFViewer = void 0;\n\nvar _base_viewer = __w_pdfjs_require__(19);\n\nvar _pdfjsLib = __w_pdfjs_require__(2);\n\nfunction _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); }\n\nfunction _createForOfIteratorHelper(o, allowArrayLike) { var it; if (typeof Symbol === \"undefined\" || o[Symbol.iterator] == null) { if (Array.isArray(o) || (it = _unsupportedIterableToArray(o)) || allowArrayLike && o && typeof o.length === \"number\") { if (it) o = it; var i = 0; var F = function F() {}; return { s: F, n: function n() { if (i >= o.length) return { done: true }; return { done: false, value: o[i++] }; }, e: function e(_e) { throw _e; }, f: F }; } throw new TypeError(\"Invalid attempt to iterate non-iterable instance.\\nIn order to be iterable, non-array objects must have a [Symbol.iterator]() method.\"); } var normalCompletion = true, didErr = false, err; return { s: function s() { it = o[Symbol.iterator](); }, n: function n() { var step = it.next(); normalCompletion = step.done; return step; }, e: function e(_e2) { didErr = true; err = _e2; }, f: function f() { try { if (!normalCompletion && it[\"return\"] != null) it[\"return\"](); } finally { if (didErr) throw err; } } }; }\n\nfunction _unsupportedIterableToArray(o, minLen) { if (!o) return; if (typeof o === \"string\") return _arrayLikeToArray(o, minLen); var n = Object.prototype.toString.call(o).slice(8, -1); if (n === \"Object\" && o.constructor) n = o.constructor.name; if (n === \"Map\" || n === \"Set\") return Array.from(o); if (n === \"Arguments\" || /^(?:Ui|I)nt(?:8|16|32)(?:Clamped)?Array$/.test(n)) return _arrayLikeToArray(o, minLen); }\n\nfunction _arrayLikeToArray(arr, len) { if (len == null || len > arr.length) len = arr.length; for (var i = 0, arr2 = new Array(len); i < len; i++) { arr2[i] = arr[i]; } return arr2; }\n\nfunction _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError(\"Cannot call a class as a function\"); } }\n\nfunction _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); } }\n\nfunction _createClass(Constructor, protoProps, staticProps) { if (protoProps) _defineProperties(Constructor.prototype, protoProps); if (staticProps) _defineProperties(Constructor, staticProps); return Constructor; }\n\nfunction _get(target, property, receiver) { if (typeof Reflect !== \"undefined\" && Reflect.get) { _get = Reflect.get; } else { _get = function _get(target, property, receiver) { var base = _superPropBase(target, property); if (!base) return; var desc = Object.getOwnPropertyDescriptor(base, property); if (desc.get) { return desc.get.call(receiver); } return desc.value; }; } return _get(target, property, receiver || target); }\n\nfunction _superPropBase(object, property) { while (!Object.prototype.hasOwnProperty.call(object, property)) { object = _getPrototypeOf(object); if (object === null) break; } return object; }\n\nfunction _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); }\n\nfunction _setPrototypeOf(o, p) { _setPrototypeOf = Object.setPrototypeOf || function _setPrototypeOf(o, p) { o.__proto__ = p; return o; }; return _setPrototypeOf(o, p); }\n\nfunction _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); }; }\n\nfunction _possibleConstructorReturn(self, call) { if (call && (_typeof(call) === \"object\" || typeof call === \"function\")) { return call; } return _assertThisInitialized(self); }\n\nfunction _assertThisInitialized(self) { if (self === void 0) { throw new ReferenceError(\"this hasn't been initialised - super() hasn't been called\"); } return self; }\n\nfunction _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; } }\n\nfunction _getPrototypeOf(o) { _getPrototypeOf = Object.setPrototypeOf ? Object.getPrototypeOf : function _getPrototypeOf(o) { return o.__proto__ || Object.getPrototypeOf(o); }; return _getPrototypeOf(o); }\n\nvar PDFViewer = /*#__PURE__*/function (_BaseViewer) {\n _inherits(PDFViewer, _BaseViewer);\n\n var _super = _createSuper(PDFViewer);\n\n function PDFViewer() {\n _classCallCheck(this, PDFViewer);\n\n return _super.apply(this, arguments);\n }\n\n _createClass(PDFViewer, [{\n key: \"_scrollIntoView\",\n value: function _scrollIntoView(_ref) {\n var pageDiv = _ref.pageDiv,\n _ref$pageSpot = _ref.pageSpot,\n pageSpot = _ref$pageSpot === void 0 ? null : _ref$pageSpot,\n _ref$pageNumber = _ref.pageNumber,\n pageNumber = _ref$pageNumber === void 0 ? null : _ref$pageNumber;\n\n if (!pageSpot && !this.isInPresentationMode) {\n var left = pageDiv.offsetLeft + pageDiv.clientLeft;\n var right = left + pageDiv.clientWidth;\n var _this$container = this.container,\n scrollLeft = _this$container.scrollLeft,\n clientWidth = _this$container.clientWidth;\n\n if (this._isScrollModeHorizontal || left < scrollLeft || right > scrollLeft + clientWidth) {\n pageSpot = {\n left: 0,\n top: 0\n };\n }\n }\n\n _get(_getPrototypeOf(PDFViewer.prototype), \"_scrollIntoView\", this).call(this, {\n pageDiv: pageDiv,\n pageSpot: pageSpot,\n pageNumber: pageNumber\n });\n }\n }, {\n key: \"_getVisiblePages\",\n value: function _getVisiblePages() {\n if (this.isInPresentationMode) {\n return this._getCurrentVisiblePage();\n }\n\n return _get(_getPrototypeOf(PDFViewer.prototype), \"_getVisiblePages\", this).call(this);\n }\n }, {\n key: \"_updateHelper\",\n value: function _updateHelper(visiblePages) {\n if (this.isInPresentationMode) {\n return;\n }\n\n var currentId = this._currentPageNumber;\n var stillFullyVisible = false;\n\n var _iterator = _createForOfIteratorHelper(visiblePages),\n _step;\n\n try {\n for (_iterator.s(); !(_step = _iterator.n()).done;) {\n var page = _step.value;\n\n if (page.percent < 100) {\n break;\n }\n\n if (page.id === currentId) {\n stillFullyVisible = true;\n break;\n }\n }\n } catch (err) {\n _iterator.e(err);\n } finally {\n _iterator.f();\n }\n\n if (!stillFullyVisible) {\n currentId = visiblePages[0].id;\n }\n\n this._setCurrentPageNumber(currentId);\n }\n }, {\n key: \"_viewerElement\",\n get: function get() {\n return (0, _pdfjsLib.shadow)(this, \"_viewerElement\", this.viewer);\n }\n }]);\n\n return PDFViewer;\n}(_base_viewer.BaseViewer);\n\nexports.PDFViewer = PDFViewer;\n\n/***/ })\n/******/ ]);\n});\n//# sourceMappingURL=pdf_viewer.js.map","export * from \"-!../../mini-css-extract-plugin/dist/loader.js??ref--6-oneOf-1-0!../../css-loader/index.js??ref--6-oneOf-1-1!../../vue-loader/lib/loaders/stylePostLoader.js!./annotationLayer.css?vue&type=style&index=0&lang=css&\""],"sourceRoot":""}