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hugo-theme-relearn/static/js/mathjax/a11y/explorer.js
Sören Weber 01e14664ce
math: add mathjax rendering #235
2022-07-02 14:00:23 +02:00

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!function(){"use strict";var t={18:function(t,e,o){var r,n=this&&this.__extends||(r=function(t,e){return(r=Object.setPrototypeOf||{__proto__:[]}instanceof Array&&function(t,e){t.__proto__=e}||function(t,e){for(var o in e)Object.prototype.hasOwnProperty.call(e,o)&&(t[o]=e[o])})(t,e)},function(t,e){if("function"!=typeof e&&null!==e)throw new TypeError("Class extends value "+String(e)+" is not a constructor or null");function o(){this.constructor=t}r(t,e),t.prototype=null===e?Object.create(e):(o.prototype=e.prototype,new o)}),i=this&&this.__assign||function(){return(i=Object.assign||function(t){for(var e,o=1,r=arguments.length;o<r;o++)for(var n in e=arguments[o])Object.prototype.hasOwnProperty.call(e,n)&&(t[n]=e[n]);return t}).apply(this,arguments)},a=this&&this.__values||function(t){var e="function"==typeof Symbol&&Symbol.iterator,o=e&&t[e],r=0;if(o)return o.call(t);if(t&&"number"==typeof t.length)return{next:function(){return t&&r>=t.length&&(t=void 0),{value:t&&t[r++],done:!t}}};throw new TypeError(e?"Object is not iterable.":"Symbol.iterator is not defined.")},s=this&&this.__read||function(t,e){var o="function"==typeof Symbol&&t[Symbol.iterator];if(!o)return t;var r,n,i=o.call(t),a=[];try{for(;(void 0===e||e-- >0)&&!(r=i.next()).done;)a.push(r.value)}catch(t){n={error:t}}finally{try{r&&!r.done&&(o=i.return)&&o.call(i)}finally{if(n)throw n.error}}return a},l=this&&this.__spreadArray||function(t,e){for(var o=0,r=e.length,n=t.length;o<r;o++,n++)t[n]=e[o];return t};Object.defineProperty(e,"__esModule",{value:!0}),e.setA11yOption=e.setA11yOptions=e.ExplorerHandler=e.ExplorerMathDocumentMixin=e.ExplorerMathItemMixin=void 0;var h=o(769),c=o(511),p=o(77),u=o(433),d=o(850),f=o(269),y=o(85),v=o(854),g=o(367);function m(t,e){return function(t){function o(){var e=null!==t&&t.apply(this,arguments)||this;return e.explorers={},e.attached=[],e.restart=[],e.refocus=!1,e.savedId=null,e}return n(o,t),o.prototype.explorable=function(t,o){if(void 0===o&&(o=!1),!(this.state()>=h.STATE.EXPLORER)){if(!this.isEscaped&&(t.options.enableExplorer||o)){var r=this.typesetRoot,n=e(this.root);this.savedId&&(this.typesetRoot.setAttribute("sre-explorer-id",this.savedId),this.savedId=null),this.explorers=function(t,e,o){var r,n,i={};try{for(var s=a(Object.keys(_)),l=s.next();!l.done;l=s.next()){var h=l.value;i[h]=_[h](t,e,o)}}catch(t){r={error:t}}finally{try{l&&!l.done&&(n=s.return)&&n.call(s)}finally{if(r)throw r.error}}return i}(t,r,n),this.attachExplorers(t)}this.state(h.STATE.EXPLORER)}},o.prototype.attachExplorers=function(t){var e,o,r,n;this.attached=[];var i=[];try{for(var s=a(Object.keys(this.explorers)),l=s.next();!l.done;l=s.next()){var h=l.value;(u=this.explorers[h])instanceof f.AbstractKeyExplorer&&(u.AddEvents(),u.stoppable=!1,i.unshift(u)),t.options.a11y[h]?(u.Attach(),this.attached.push(h)):u.Detach()}}catch(t){e={error:t}}finally{try{l&&!l.done&&(o=s.return)&&o.call(s)}finally{if(e)throw e.error}}try{for(var c=a(i),p=c.next();!p.done;p=c.next()){var u;if((u=p.value).attached){u.stoppable=!0;break}}}catch(t){r={error:t}}finally{try{p&&!p.done&&(n=c.return)&&n.call(c)}finally{if(r)throw r.error}}},o.prototype.rerender=function(e,o){var r,n;void 0===o&&(o=h.STATE.RERENDER),this.savedId=this.typesetRoot.getAttribute("sre-explorer-id"),this.refocus=window.document.activeElement===this.typesetRoot;try{for(var i=a(this.attached),s=i.next();!s.done;s=i.next()){var l=s.value,c=this.explorers[l];c.active&&(this.restart.push(l),c.Stop())}}catch(t){r={error:t}}finally{try{s&&!s.done&&(n=i.return)&&n.call(i)}finally{if(r)throw r.error}}t.prototype.rerender.call(this,e,o)},o.prototype.updateDocument=function(e){var o=this;t.prototype.updateDocument.call(this,e),this.refocus&&this.typesetRoot.focus(),this.restart.forEach((function(t){return o.explorers[t].Start()})),this.restart=[],this.refocus=!1},o}(t)}function x(t){var e;return(e=function(t){function e(){for(var e=[],o=0;o<arguments.length;o++)e[o]=arguments[o];var r=t.apply(this,l([],s(e)))||this,n=r.constructor.ProcessBits;n.has("explorer")||n.allocate("explorer");var i=new u.SerializedMmlVisitor(r.mmlFactory),a=function(t){return i.visitTree(t)};return r.options.MathItem=m(r.options.MathItem,a),r.explorerRegions=b(r),r}return n(e,t),e.prototype.explorable=function(){var t,e;if(!this.processed.isSet("explorer")){if(this.options.enableExplorer)try{for(var o=a(this.math),r=o.next();!r.done;r=o.next()){r.value.explorable(this)}}catch(e){t={error:e}}finally{try{r&&!r.done&&(e=o.return)&&e.call(o)}finally{if(t)throw t.error}}this.processed.set("explorer")}return this},e.prototype.state=function(e,o){return void 0===o&&(o=!1),t.prototype.state.call(this,e,o),e<h.STATE.EXPLORER&&this.processed.clear("explorer"),this},e}(t)).OPTIONS=i(i({},t.OPTIONS),{enableExplorer:!0,renderActions:p.expandable(i(i({},t.OPTIONS.renderActions),{explorable:[h.STATE.EXPLORER]})),sre:p.expandable(i(i({},t.OPTIONS.sre),{speech:"shallow"})),a11y:{align:"top",backgroundColor:"Blue",backgroundOpacity:20,braille:!1,flame:!1,foregroundColor:"Black",foregroundOpacity:100,highlight:"None",hover:!1,infoPrefix:!1,infoRole:!1,infoType:!1,keyMagnifier:!1,magnification:"None",magnify:"400%",mouseMagnifier:!1,speech:!0,subtitles:!0,treeColoring:!1,viewBraille:!1}}),e}function b(t){return{speechRegion:new g.LiveRegion(t),brailleRegion:new g.LiveRegion(t),magnifier:new g.HoverRegion(t),tooltip1:new g.ToolTip(t),tooltip2:new g.ToolTip(t),tooltip3:new g.ToolTip(t)}}h.newState("EXPLORER",160),e.ExplorerMathItemMixin=m,e.ExplorerMathDocumentMixin=x,e.ExplorerHandler=function(t,e){return void 0===e&&(e=null),!t.documentClass.prototype.enrich&&e&&(t=c.EnrichHandler(t,e)),t.documentClass=x(t.documentClass),t};var _={speech:function(t,e){for(var o,r=[],n=2;n<arguments.length;n++)r[n-2]=arguments[n];var i=(o=f.SpeechExplorer).create.apply(o,l([t,t.explorerRegions.speechRegion,e],s(r)));return i.speechGenerator.setOptions({locale:t.options.sre.locale,domain:t.options.sre.domain,style:t.options.sre.style,modality:"speech",cache:!1}),i.showRegion="subtitles",i},braille:function(t,e){for(var o,r=[],n=2;n<arguments.length;n++)r[n-2]=arguments[n];var i=(o=f.SpeechExplorer).create.apply(o,l([t,t.explorerRegions.brailleRegion,e],s(r)));return i.speechGenerator.setOptions({locale:"nemeth",domain:"default",style:"default",modality:"braille"}),i.showRegion="viewBraille",i},keyMagnifier:function(t,e){for(var o,r=[],n=2;n<arguments.length;n++)r[n-2]=arguments[n];return(o=f.Magnifier).create.apply(o,l([t,t.explorerRegions.magnifier,e],s(r)))},mouseMagnifier:function(t,e){for(var o=[],r=2;r<arguments.length;r++)o[r-2]=arguments[r];return y.ContentHoverer.create(t,t.explorerRegions.magnifier,e,(function(t){return t.hasAttribute("data-semantic-type")}),(function(t){return t}))},hover:function(t,e){for(var o=[],r=2;r<arguments.length;r++)o[r-2]=arguments[r];return y.FlameHoverer.create(t,null,e)},infoType:function(t,e){for(var o=[],r=2;r<arguments.length;r++)o[r-2]=arguments[r];return y.ValueHoverer.create(t,t.explorerRegions.tooltip1,e,(function(t){return t.hasAttribute("data-semantic-type")}),(function(t){return t.getAttribute("data-semantic-type")}))},infoRole:function(t,e){for(var o=[],r=2;r<arguments.length;r++)o[r-2]=arguments[r];return y.ValueHoverer.create(t,t.explorerRegions.tooltip2,e,(function(t){return t.hasAttribute("data-semantic-role")}),(function(t){return t.getAttribute("data-semantic-role")}))},infoPrefix:function(t,e){for(var o=[],r=2;r<arguments.length;r++)o[r-2]=arguments[r];return y.ValueHoverer.create(t,t.explorerRegions.tooltip3,e,(function(t){return t.hasAttribute("data-semantic-prefix")}),(function(t){return t.getAttribute("data-semantic-prefix")}))},flame:function(t,e){for(var o=[],r=2;r<arguments.length;r++)o[r-2]=arguments[r];return v.FlameColorer.create(t,null,e)},treeColoring:function(t,e){for(var o=[],r=2;r<arguments.length;r++)o[r-2]=arguments[r];return v.TreeColorer.create.apply(v.TreeColorer,l([t,null,e],s(o)))}};function M(t,e,o){switch(e){case"magnification":switch(o){case"None":t.options.a11y.magnification=o,t.options.a11y.keyMagnifier=!1,t.options.a11y.mouseMagnifier=!1;break;case"Keyboard":t.options.a11y.magnification=o,t.options.a11y.keyMagnifier=!0,t.options.a11y.mouseMagnifier=!1;break;case"Mouse":t.options.a11y.magnification=o,t.options.a11y.keyMagnifier=!1,t.options.a11y.mouseMagnifier=!0}break;case"highlight":switch(o){case"None":t.options.a11y.highlight=o,t.options.a11y.hover=!1,t.options.a11y.flame=!1;break;case"Hover":t.options.a11y.highlight=o,t.options.a11y.hover=!0,t.options.a11y.flame=!1;break;case"Flame":t.options.a11y.highlight=o,t.options.a11y.hover=!1,t.options.a11y.flame=!0}break;default:t.options.a11y[e]=o}}e.setA11yOptions=function(t,e){var o,r,n=SRE.engineSetup();for(var i in e)void 0===t.options.a11y[i]?void 0!==n[i]&&(t.options.sre[i]=e[i]):(M(t,i,e[i]),"locale"===i&&(t.options.sre[i]=e[i]));try{for(var s=a(t.math),l=s.next();!l.done;l=s.next()){l.value.attachExplorers(t)}}catch(t){o={error:t}}finally{try{l&&!l.done&&(r=s.return)&&r.call(s)}finally{if(o)throw o.error}}},e.setA11yOption=M;var w={},S=function(t,e){var o,r,n=sre.ClearspeakPreferences.getLocalePreferences()[e];if(!n){var i=t.findID("Accessibility","Speech","Clearspeak");return i&&i.disable(),null}!function(t,e){var o,r,n=t.pool.lookup("speechRules"),i=function(e){if(w[e])return"continue";t.factory.get("variable")(t.factory,{name:"csprf_"+e,setter:function(t){w[e]=t,n.setValue("clearspeak-"+sre.ClearspeakPreferences.addPreference(sre.Engine.DOMAIN_TO_STYLES.clearspeak,e,t))},getter:function(){return w[e]||"Auto"}},t.pool)};try{for(var s=a(e),l=s.next();!l.done;l=s.next())i(l.value)}catch(t){o={error:t}}finally{try{l&&!l.done&&(r=s.return)&&r.call(s)}finally{if(o)throw o.error}}}(t,Object.keys(n));var s=[],l=function(t){s.push({title:t,values:n[t].map((function(e){return e.replace(RegExp("^"+t+"_"),"")})),variable:"csprf_"+t})};try{for(var h=a(Object.getOwnPropertyNames(n)),c=h.next();!c.done;c=h.next()){l(c.value)}}catch(t){o={error:t}}finally{try{c&&!c.done&&(r=h.return)&&r.call(h)}finally{if(o)throw o.error}}var p=t.factory.get("selectionBox")(t.factory,{title:"Clearspeak Preferences",signature:"",order:"alphabetic",grid:"square",selections:s},t);return{type:"command",id:"ClearspeakPreferences",content:"Select Preferences",action:function(){return p.post(0,0)}}};d.MJContextMenu.DynamicSubmenus.set("Clearspeak",(function(t,e){var o=t.pool.lookup("locale").getValue(),r=S(t,o),n=[];try{n=sre.ClearspeakPreferences.smartPreferences(t.mathItem,o)}catch(t){}return r&&n.splice(2,0,r),t.factory.get("subMenu")(t.factory,{items:n,id:"Clearspeak"},e)}));var O={de:"German",en:"English",es:"Spanish",fr:"French",hi:"Hindi",it:"Italian"};d.MJContextMenu.DynamicSubmenus.set("A11yLanguage",(function(t,e){var o,r,n=[];try{for(var i=a(sre.Variables.LOCALES),s=i.next();!s.done;s=i.next()){var l=s.value;"nemeth"!==l&&n.push({type:"radio",id:l,content:O[l]||l,variable:"locale"})}}catch(t){o={error:t}}finally{try{s&&!s.done&&(r=i.return)&&r.call(i)}finally{if(o)throw o.error}}return n.sort((function(t,e){return t.content.localeCompare(e.content,"en")})),t.factory.get("subMenu")(t.factory,{items:n,id:"Language"},e)}))},724:function(t,e,o){var r=this&&this.__read||function(t,e){var o="function"==typeof Symbol&&t[Symbol.iterator];if(!o)return t;var r,n,i=o.call(t),a=[];try{for(;(void 0===e||e-- >0)&&!(r=i.next()).done;)a.push(r.value)}catch(t){n={error:t}}finally{try{r&&!r.done&&(o=i.return)&&o.call(i)}finally{if(n)throw n.error}}return a},n=this&&this.__spreadArray||function(t,e){for(var o=0,r=e.length,n=t.length;o<r;o++,n++)t[n]=e[o];return t},i=this&&this.__values||function(t){var e="function"==typeof Symbol&&Symbol.iterator,o=e&&t[e],r=0;if(o)return o.call(t);if(t&&"number"==typeof t.length)return{next:function(){return t&&r>=t.length&&(t=void 0),{value:t&&t[r++],done:!t}}};throw new TypeError(e?"Object is not iterable.":"Symbol.iterator is not defined.")};Object.defineProperty(e,"__esModule",{value:!0}),e.AbstractExplorer=void 0,o(961);var a=function(){function t(t,e,o){for(var r=[],n=3;n<arguments.length;n++)r[n-3]=arguments[n];this.document=t,this.region=e,this.node=o,this.stoppable=!0,this.events=[],this.highlighter=this.getHighlighter(),this._active=!1}return t.stopEvent=function(t){t.preventDefault?t.preventDefault():t.returnValue=!1,t.stopImmediatePropagation?t.stopImmediatePropagation():t.stopPropagation&&t.stopPropagation(),t.cancelBubble=!0},t.create=function(t,e,o){for(var i=[],a=3;a<arguments.length;a++)i[a-3]=arguments[a];var s=new(this.bind.apply(this,n([void 0,t,e,o],r(i))));return s},t.prototype.Events=function(){return this.events},Object.defineProperty(t.prototype,"active",{get:function(){return this._active},set:function(t){this._active=t},enumerable:!1,configurable:!0}),t.prototype.Attach=function(){this.AddEvents()},t.prototype.Detach=function(){this.RemoveEvents()},t.prototype.Start=function(){this.highlighter=this.getHighlighter(),this.active=!0},t.prototype.Stop=function(){this.active&&(this.region.Clear(),this.region.Hide(),this.active=!1)},t.prototype.AddEvents=function(){var t,e;try{for(var o=i(this.events),n=o.next();!n.done;n=o.next()){var a=r(n.value,2),s=a[0],l=a[1];this.node.addEventListener(s,l)}}catch(e){t={error:e}}finally{try{n&&!n.done&&(e=o.return)&&e.call(o)}finally{if(t)throw t.error}}},t.prototype.RemoveEvents=function(){var t,e;try{for(var o=i(this.events),n=o.next();!n.done;n=o.next()){var a=r(n.value,2),s=a[0],l=a[1];this.node.removeEventListener(s,l)}}catch(e){t={error:e}}finally{try{n&&!n.done&&(e=o.return)&&e.call(o)}finally{if(t)throw t.error}}},t.prototype.Update=function(t){void 0===t&&(t=!1)},t.prototype.getHighlighter=function(){var t=this.document.options.a11y,e={color:t.foregroundColor.toLowerCase(),alpha:t.foregroundOpacity/100},o={color:t.backgroundColor.toLowerCase(),alpha:t.backgroundOpacity/100};return sre.HighlighterFactory.highlighter(o,e,{renderer:this.document.outputJax.name,browser:"v3"})},t.prototype.stopEvent=function(e){this.stoppable&&t.stopEvent(e)},t}();e.AbstractExplorer=a},269:function(t,e,o){var r,n=this&&this.__extends||(r=function(t,e){return(r=Object.setPrototypeOf||{__proto__:[]}instanceof Array&&function(t,e){t.__proto__=e}||function(t,e){for(var o in e)Object.prototype.hasOwnProperty.call(e,o)&&(t[o]=e[o])})(t,e)},function(t,e){if("function"!=typeof e&&null!==e)throw new TypeError("Class extends value "+String(e)+" is not a constructor or null");function o(){this.constructor=t}r(t,e),t.prototype=null===e?Object.create(e):(o.prototype=e.prototype,new o)});Object.defineProperty(e,"__esModule",{value:!0}),e.Magnifier=e.SpeechExplorer=e.AbstractKeyExplorer=void 0;var i=o(724),a=o(961),s=function(t){function e(){var e=null!==t&&t.apply(this,arguments)||this;return e.attached=!1,e.eventsAttached=!1,e.events=t.prototype.Events.call(e).concat([["keydown",e.KeyDown.bind(e)],["focusin",e.FocusIn.bind(e)],["focusout",e.FocusOut.bind(e)]]),e.oldIndex=null,e}return n(e,t),e.prototype.FocusIn=function(t){},e.prototype.FocusOut=function(t){this.Stop()},e.prototype.Update=function(t){if(void 0===t&&(t=!1),this.active||t){this.highlighter.unhighlight();var e=this.walker.getFocus(!0).getNodes();e.length||(this.walker.refocus(),e=this.walker.getFocus().getNodes()),this.highlighter.highlight(e)}},e.prototype.Attach=function(){t.prototype.Attach.call(this),this.attached=!0,this.oldIndex=this.node.tabIndex,this.node.tabIndex=1,this.node.setAttribute("role","application")},e.prototype.AddEvents=function(){this.eventsAttached||(t.prototype.AddEvents.call(this),this.eventsAttached=!0)},e.prototype.Detach=function(){this.active&&(this.node.tabIndex=this.oldIndex,this.oldIndex=null,this.node.removeAttribute("role")),this.attached=!1},e.prototype.Stop=function(){this.active&&(this.highlighter.unhighlight(),this.walker.deactivate()),t.prototype.Stop.call(this)},e}(i.AbstractExplorer);e.AbstractKeyExplorer=s;var l=function(t){function e(e,o,r,n){var i=t.call(this,e,o,r)||this;return i.document=e,i.region=o,i.node=r,i.mml=n,i.showRegion="subtitles",i.init=!1,i.restarted=!1,i.initWalker(),i}return n(e,t),e.prototype.Start=function(){var e=this;if(this.attached){var o=this.getOptions();if(!this.init)return this.init=!0,void a.sreReady().then((function(){SRE.engineSetup().locale!==o.locale&&SRE.setupEngine({locale:o.locale}),a.sreReady().then((function(){e.Speech(e.walker),e.Start()}))})).catch((function(t){return console.log(t.message)}));t.prototype.Start.call(this),this.speechGenerator=sre.SpeechGeneratorFactory.generator("Direct"),this.speechGenerator.setOptions(o),this.walker=sre.WalkerFactory.walker("table",this.node,this.speechGenerator,this.highlighter,this.mml),this.walker.activate(),this.Update(),this.document.options.a11y[this.showRegion]&&this.region.Show(this.node,this.highlighter),this.restarted=!0}},e.prototype.Update=function(e){void 0===e&&(e=!1),t.prototype.Update.call(this,e);var o=this.speechGenerator.getOptions();SRE.setupEngine({modality:o.modality,locale:o.locale}),this.region.Update(this.walker.speech()),"speech"===o.modality&&(this.document.options.sre.domain=o.domain,this.document.options.sre.style=o.style,this.document.options.a11y.speechRules=o.domain+"-"+o.style)},e.prototype.Speech=function(t){t.speech(),this.node.setAttribute("hasspeech","true"),this.Update(),this.restarted&&this.document.options.a11y[this.showRegion]&&this.region.Show(this.node,this.highlighter)},e.prototype.KeyDown=function(t){var e=t.keyCode;if(this.walker.modifier=t.shiftKey,27===e)return this.Stop(),void this.stopEvent(t);if(this.active){if(this.Move(e),this.triggerLink(e))return;this.stopEvent(t)}else(32===e&&t.shiftKey||13===e)&&(this.Start(),this.stopEvent(t))},e.prototype.triggerLink=function(t){var e,o;if(13!==t)return!1;var r=null===(e=this.walker.getFocus().getNodes())||void 0===e?void 0:e[0];return!!(null===(o=null==r?void 0:r.getAttribute("data-semantic-postfix"))||void 0===o?void 0:o.match(/(^| )link($| )/))&&(r.parentNode.dispatchEvent(new MouseEvent("click")),!0)},e.prototype.Move=function(t){this.walker.move(t),this.Update()},e.prototype.initWalker=function(){this.speechGenerator=sre.SpeechGeneratorFactory.generator("Tree");var t=sre.WalkerFactory.walker("dummy",this.node,this.speechGenerator,this.highlighter,this.mml);this.walker=t},e.prototype.getOptions=function(){var t=this.speechGenerator.getOptions(),e=this.document.options.sre;return"speech"!==t.modality||t.locale===e.locale&&t.domain===e.domain&&t.style===e.style||(t.domain=e.domain,t.style=e.style,t.locale=e.locale,this.walker.update(t)),t},e}(s);e.SpeechExplorer=l;var h=function(t){function e(e,o,r,n){var i=t.call(this,e,o,r)||this;return i.document=e,i.region=o,i.node=r,i.mml=n,i.walker=sre.WalkerFactory.walker("table",i.node,sre.SpeechGeneratorFactory.generator("Dummy"),i.highlighter,i.mml),i}return n(e,t),e.prototype.Update=function(e){void 0===e&&(e=!1),t.prototype.Update.call(this,e),this.showFocus()},e.prototype.Start=function(){t.prototype.Start.call(this),this.attached&&(this.region.Show(this.node,this.highlighter),this.walker.activate(),this.Update())},e.prototype.showFocus=function(){var t=this.walker.getFocus().getNodes()[0];this.region.Show(t,this.highlighter)},e.prototype.Move=function(t){this.walker.move(t)&&this.Update()},e.prototype.KeyDown=function(t){var e=t.keyCode;return this.walker.modifier=t.shiftKey,27===e?(this.Stop(),void this.stopEvent(t)):this.active&&13!==e?(this.Move(e),void this.stopEvent(t)):void((32===e&&t.shiftKey||13===e)&&(this.Start(),this.stopEvent(t)))},e}(s);e.Magnifier=h},85:function(t,e,o){var r,n=this&&this.__extends||(r=function(t,e){return(r=Object.setPrototypeOf||{__proto__:[]}instanceof Array&&function(t,e){t.__proto__=e}||function(t,e){for(var o in e)Object.prototype.hasOwnProperty.call(e,o)&&(t[o]=e[o])})(t,e)},function(t,e){if("function"!=typeof e&&null!==e)throw new TypeError("Class extends value "+String(e)+" is not a constructor or null");function o(){this.constructor=t}r(t,e),t.prototype=null===e?Object.create(e):(o.prototype=e.prototype,new o)}),i=this&&this.__read||function(t,e){var o="function"==typeof Symbol&&t[Symbol.iterator];if(!o)return t;var r,n,i=o.call(t),a=[];try{for(;(void 0===e||e-- >0)&&!(r=i.next()).done;)a.push(r.value)}catch(t){n={error:t}}finally{try{r&&!r.done&&(o=i.return)&&o.call(i)}finally{if(n)throw n.error}}return a};Object.defineProperty(e,"__esModule",{value:!0}),e.FlameHoverer=e.ContentHoverer=e.ValueHoverer=e.Hoverer=e.AbstractMouseExplorer=void 0;var a=o(367),s=o(724);o(961);var l=function(t){function e(){var e=null!==t&&t.apply(this,arguments)||this;return e.events=t.prototype.Events.call(e).concat([["mouseover",e.MouseOver.bind(e)],["mouseout",e.MouseOut.bind(e)]]),e}return n(e,t),e.prototype.MouseOver=function(t){this.Start()},e.prototype.MouseOut=function(t){this.Stop()},e}(s.AbstractExplorer);e.AbstractMouseExplorer=l;var h=function(t){function e(e,o,r,n,i){var a=t.call(this,e,o,r)||this;return a.document=e,a.region=o,a.node=r,a.nodeQuery=n,a.nodeAccess=i,a}return n(e,t),e.prototype.MouseOut=function(e){e.clientX===this.coord[0]&&e.clientY===this.coord[1]||(this.highlighter.unhighlight(),this.region.Hide(),t.prototype.MouseOut.call(this,e))},e.prototype.MouseOver=function(e){t.prototype.MouseOver.call(this,e);var o=e.target;this.coord=[e.clientX,e.clientY];var r=i(this.getNode(o),2),n=r[0],a=r[1];n&&(this.highlighter.unhighlight(),this.highlighter.highlight([n]),this.region.Update(a),this.region.Show(n,this.highlighter))},e.prototype.getNode=function(t){for(var e=t;t&&t!==this.node;){if(this.nodeQuery(t))return[t,this.nodeAccess(t)];t=t.parentNode}for(t=e;t;){if(this.nodeQuery(t))return[t,this.nodeAccess(t)];var o=t.childNodes[0];t=o&&"defs"===o.tagName?t.childNodes[1]:o}return[null,null]},e}(l);e.Hoverer=h;var c=function(t){function e(){return null!==t&&t.apply(this,arguments)||this}return n(e,t),e}(h);e.ValueHoverer=c;var p=function(t){function e(){return null!==t&&t.apply(this,arguments)||this}return n(e,t),e}(h);e.ContentHoverer=p;var u=function(t){function e(e,o,r){var n=t.call(this,e,new a.DummyRegion(e),r,(function(t){return n.highlighter.isMactionNode(t)}),(function(){}))||this;return n.document=e,n.node=r,n}return n(e,t),e}(h);e.FlameHoverer=u},367:function(t,e,o){var r,n,i,a,s=this&&this.__extends||(r=function(t,e){return(r=Object.setPrototypeOf||{__proto__:[]}instanceof Array&&function(t,e){t.__proto__=e}||function(t,e){for(var o in e)Object.prototype.hasOwnProperty.call(e,o)&&(t[o]=e[o])})(t,e)},function(t,e){if("function"!=typeof e&&null!==e)throw new TypeError("Class extends value "+String(e)+" is not a constructor or null");function o(){this.constructor=t}r(t,e),t.prototype=null===e?Object.create(e):(o.prototype=e.prototype,new o)});Object.defineProperty(e,"__esModule",{value:!0}),e.HoverRegion=e.LiveRegion=e.ToolTip=e.StringRegion=e.DummyRegion=e.AbstractRegion=void 0;var l=o(888);o(961);var h=function(){function t(t){this.document=t,this.CLASS=this.constructor,this.AddStyles(),this.AddElement()}return t.prototype.AddStyles=function(){if(!this.CLASS.styleAdded){var t=this.document.adaptor.node("style");t.innerHTML=this.CLASS.style.cssText,this.document.adaptor.head(this.document.adaptor.document).appendChild(t),this.CLASS.styleAdded=!0}},t.prototype.AddElement=function(){var t=this.document.adaptor.node("div");t.classList.add(this.CLASS.className),t.style.backgroundColor="white",this.div=t,this.inner=this.document.adaptor.node("div"),this.div.appendChild(this.inner),this.document.adaptor.body(this.document.adaptor.document).appendChild(this.div)},t.prototype.Show=function(t,e){this.position(t),this.highlight(e),this.div.classList.add(this.CLASS.className+"_Show")},t.prototype.Hide=function(){this.div.classList.remove(this.CLASS.className+"_Show")},t.prototype.stackRegions=function(t){for(var e=t.getBoundingClientRect(),o=0,r=Number.POSITIVE_INFINITY,n=this.document.adaptor.document.getElementsByClassName(this.CLASS.className+"_Show"),i=0,a=void 0;a=n[i];i++)a!==this.div&&(o=Math.max(a.getBoundingClientRect().bottom,o),r=Math.min(a.getBoundingClientRect().left,r));var s=(o||e.bottom+10)+window.pageYOffset,l=(r<Number.POSITIVE_INFINITY?r:e.left)+window.pageXOffset;this.div.style.top=s+"px",this.div.style.left=l+"px"},t.styleAdded=!1,t}();e.AbstractRegion=h;var c=function(t){function e(){return null!==t&&t.apply(this,arguments)||this}return s(e,t),e.prototype.Clear=function(){},e.prototype.Update=function(){},e.prototype.Hide=function(){},e.prototype.Show=function(){},e.prototype.AddElement=function(){},e.prototype.AddStyles=function(){},e.prototype.position=function(){},e.prototype.highlight=function(t){},e}(h);e.DummyRegion=c;var p=function(t){function e(){return null!==t&&t.apply(this,arguments)||this}return s(e,t),e.prototype.Clear=function(){this.Update(""),this.inner.style.top="",this.inner.style.backgroundColor=""},e.prototype.Update=function(t){this.inner.textContent="",this.inner.textContent=t},e.prototype.position=function(t){this.stackRegions(t)},e.prototype.highlight=function(t){var e=t.colorString();this.inner.style.backgroundColor=e.background,this.inner.style.color=e.foreground},e}(h);e.StringRegion=p;var u=function(t){function e(){return null!==t&&t.apply(this,arguments)||this}return s(e,t),e.className="MJX_ToolTip",e.style=new l.CssStyles(((n={})["."+e.className]={position:"absolute",display:"inline-block",height:"1px",width:"1px"},n["."+e.className+"_Show"]={width:"auto",height:"auto",opacity:1,"text-align":"center","border-radius":"6px",padding:"0px 0px","border-bottom":"1px dotted black",position:"absolute","z-index":202},n)),e}(p);e.ToolTip=u;var d=function(t){function e(e){var o=t.call(this,e)||this;return o.document=e,o.div.setAttribute("aria-live","assertive"),o}return s(e,t),e.className="MJX_LiveRegion",e.style=new l.CssStyles(((i={})["."+e.className]={position:"absolute",top:"0",height:"1px",width:"1px",padding:"1px",overflow:"hidden"},i["."+e.className+"_Show"]={top:"0",position:"absolute",width:"auto",height:"auto",padding:"0px 0px",opacity:1,"z-index":"202",left:0,right:0,margin:"0 auto","background-color":"rgba(0, 0, 255, 0.2)","box-shadow":"0px 10px 20px #888",border:"2px solid #CCCCCC"},i)),e}(p);e.LiveRegion=d;var f=function(t){function e(e){var o=t.call(this,e)||this;return o.document=e,o.inner.style.lineHeight="0",o}return s(e,t),e.prototype.position=function(t){var e,o=t.getBoundingClientRect(),r=this.div.getBoundingClientRect(),n=o.left+o.width/2-r.width/2;switch(n=n<0?0:n,n+=window.pageXOffset,this.document.options.a11y.align){case"top":e=o.top-r.height-10;break;case"bottom":e=o.bottom+10;break;case"center":default:e=o.top+o.height/2-r.height/2}e=(e+=window.pageYOffset)<0?0:e,this.div.style.top=e+"px",this.div.style.left=n+"px"},e.prototype.highlight=function(t){if(!this.inner.firstChild||this.inner.firstChild.hasAttribute("sre-highlight")){var e=t.colorString();this.inner.style.backgroundColor=e.background,this.inner.style.color=e.foreground}},e.prototype.Show=function(e,o){this.div.style.fontSize=this.document.options.a11y.magnify,this.Update(e),t.prototype.Show.call(this,e,o)},e.prototype.Clear=function(){this.inner.textContent="",this.inner.style.top="",this.inner.style.backgroundColor=""},e.prototype.Update=function(t){this.Clear();var e=this.cloneNode(t);this.inner.appendChild(e)},e.prototype.cloneNode=function(t){var e=t.cloneNode(!0);if("MJX-CONTAINER"!==e.nodeName){"g"!==e.nodeName&&(e.style.marginLeft=e.style.marginRight="0");for(var o=t;o&&"MJX-CONTAINER"!==o.nodeName;)o=o.parentNode;if("MJX-MATH"!==e.nodeName&&"svg"!==e.nodeName)if("svg"===(e=o.firstChild.cloneNode(!1).appendChild(e).parentNode).nodeName){e.firstChild.setAttribute("transform","matrix(1 0 0 -1 0 0)");var r=parseFloat(e.getAttribute("viewBox").split(/ /)[2]),n=parseFloat(e.getAttribute("width")),i=t.getBBox(),a=i.x,s=i.y,l=i.width,h=i.height;e.setAttribute("viewBox",[a,-(s+h),l,h].join(" ")),e.removeAttribute("style"),e.setAttribute("width",n/r*l+"ex"),e.setAttribute("height",n/r*h+"ex"),o.setAttribute("sre-highlight","false")}(e=o.cloneNode(!1).appendChild(e).parentNode).style.margin="0"}return e},e.className="MJX_HoverRegion",e.style=new l.CssStyles(((a={})["."+e.className]={position:"absolute",height:"1px",width:"1px",padding:"1px",overflow:"hidden"},a["."+e.className+"_Show"]={position:"absolute",width:"max-content",height:"auto",padding:"0px 0px",opacity:1,"z-index":"202",margin:"0 auto","background-color":"rgba(0, 0, 255, 0.2)","box-shadow":"0px 10px 20px #888",border:"2px solid #CCCCCC"},a)),e}(h);e.HoverRegion=f},854:function(t,e,o){var r,n=this&&this.__extends||(r=function(t,e){return(r=Object.setPrototypeOf||{__proto__:[]}instanceof Array&&function(t,e){t.__proto__=e}||function(t,e){for(var o in e)Object.prototype.hasOwnProperty.call(e,o)&&(t[o]=e[o])})(t,e)},function(t,e){if("function"!=typeof e&&null!==e)throw new TypeError("Class extends value "+String(e)+" is not a constructor or null");function o(){this.constructor=t}r(t,e),t.prototype=null===e?Object.create(e):(o.prototype=e.prototype,new o)});Object.defineProperty(e,"__esModule",{value:!0}),e.TreeColorer=e.FlameColorer=e.AbstractTreeExplorer=void 0;var i=o(724);o(961);var a=function(t){function e(e,o,r,n){var i=t.call(this,e,null,r)||this;return i.document=e,i.region=o,i.node=r,i.mml=n,i.stoppable=!1,i}return n(e,t),e.prototype.Attach=function(){t.prototype.Attach.call(this),this.Start()},e.prototype.Detach=function(){this.Stop(),t.prototype.Detach.call(this)},e}(i.AbstractExplorer);e.AbstractTreeExplorer=a;var s=function(t){function e(){return null!==t&&t.apply(this,arguments)||this}return n(e,t),e.prototype.Start=function(){this.active||(this.active=!0,this.highlighter.highlightAll(this.node))},e.prototype.Stop=function(){this.active&&this.highlighter.unhighlightAll(this.node),this.active=!1},e}(a);e.FlameColorer=s;var l=function(t){function e(){return null!==t&&t.apply(this,arguments)||this}return n(e,t),e.prototype.Start=function(){if(!this.active){this.active=!0;var t=sre.SpeechGeneratorFactory.generator("Color");this.node.hasAttribute("hasforegroundcolor")||(t.generateSpeech(this.node,this.mml),this.node.setAttribute("hasforegroundcolor","true")),this.highlighter.colorizeAll(this.node)}},e.prototype.Stop=function(){this.active&&this.highlighter.uncolorizeAll(this.node),this.active=!1},e}(a);e.TreeColorer=l},511:function(t,e){Object.defineProperty(e,"__esModule",{value:!0}),e.EnrichedMathItemMixin=MathJax._.a11y["semantic-enrich"].EnrichedMathItemMixin,e.EnrichedMathDocumentMixin=MathJax._.a11y["semantic-enrich"].EnrichedMathDocumentMixin,e.EnrichHandler=MathJax._.a11y["semantic-enrich"].EnrichHandler},961:function(t,e){Object.defineProperty(e,"__esModule",{value:!0}),e.sreReady=MathJax._.a11y.sre.sreReady},723:function(t,e){MathJax._.components.global.isObject,MathJax._.components.global.combineConfig,MathJax._.components.global.combineDefaults,e.r8=MathJax._.components.global.combineWithMathJax,MathJax._.components.global.MathJax},769:function(t,e){Object.defineProperty(e,"__esModule",{value:!0}),e.protoItem=MathJax._.core.MathItem.protoItem,e.AbstractMathItem=MathJax._.core.MathItem.AbstractMathItem,e.STATE=MathJax._.core.MathItem.STATE,e.newState=MathJax._.core.MathItem.newState},433:function(t,e){Object.defineProperty(e,"__esModule",{value:!0}),e.DATAMJX=MathJax._.core.MmlTree.SerializedMmlVisitor.DATAMJX,e.toEntity=MathJax._.core.MmlTree.SerializedMmlVisitor.toEntity,e.SerializedMmlVisitor=MathJax._.core.MmlTree.SerializedMmlVisitor.SerializedMmlVisitor},77:function(t,e){Object.defineProperty(e,"__esModule",{value:!0}),e.isObject=MathJax._.util.Options.isObject,e.APPEND=MathJax._.util.Options.APPEND,e.REMOVE=MathJax._.util.Options.REMOVE,e.OPTIONS=MathJax._.util.Options.OPTIONS,e.Expandable=MathJax._.util.Options.Expandable,e.expandable=MathJax._.util.Options.expandable,e.makeArray=MathJax._.util.Options.makeArray,e.keys=MathJax._.util.Options.keys,e.copy=MathJax._.util.Options.copy,e.insert=MathJax._.util.Options.insert,e.defaultOptions=MathJax._.util.Options.defaultOptions,e.userOptions=MathJax._.util.Options.userOptions,e.selectOptions=MathJax._.util.Options.selectOptions,e.selectOptionsFromKeys=MathJax._.util.Options.selectOptionsFromKeys,e.separateOptions=MathJax._.util.Options.separateOptions,e.lookup=MathJax._.util.Options.lookup},888:function(t,e){Object.defineProperty(e,"__esModule",{value:!0}),e.CssStyles=MathJax._.util.StyleList.CssStyles},850:function(t,e){Object.defineProperty(e,"__esModule",{value:!0}),e.MJContextMenu=MathJax._.ui.menu.MJContextMenu.MJContextMenu}},e={};function o(r){var n=e[r];if(void 0!==n)return n.exports;var i=e[r]={exports:{}};return t[r].call(i.exports,i,i.exports,o),i.exports}!function(){var t=o(723),e=o(18),r=o(724),n=o(269),i=o(85),a=o(367),s=o(854),l=o(961);(0,t.r8)({_:{a11y:{explorer_ts:e,explorer:{Explorer:r,KeyExplorer:n,MouseExplorer:i,Region:a,TreeExplorer:s},sre:l}}}),MathJax.startup&&MathJax.startup.extendHandler((function(t){return(0,e.ExplorerHandler)(t)}))}()}();
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