mathjax/a11y/assistive-mml.js

Beautiful and accessible math in all browsers. MathJax is an open-source JavaScript display engine for LaTeX, MathML, and AsciiMath notation that works in all browsers. This package includes the packaged components (install mathjax-full to get the source

(()=>{"use strict";var t={d:(e,s)=>{for(var i in s)t.o(s,i)&&!t.o(e,i)&&Object.defineProperty(e,i,{enumerable:!0,get:s[i]})}};t.g=function(){if("object"==typeof globalThis)return globalThis;try{return this||new Function("return this")()}catch(t){if("object"==typeof window)return window}}(),t.o=(t,e)=>Object.prototype.hasOwnProperty.call(t,e),t.r=t=>{"undefined"!=typeof Symbol&&Symbol.toStringTag&&Object.defineProperty(t,Symbol.toStringTag,{value:"Module"}),Object.defineProperty(t,"__esModule",{value:!0})};var e={};t.r(e),t.d(e,{AssistiveMmlHandler:()=>u,AssistiveMmlMathDocumentMixin:()=>h,AssistiveMmlMathItemMixin:()=>d,LimitedMmlVisitor:()=>m});const s=("undefined"!=typeof window?window:t.g).MathJax._.components.global,i=(s.GLOBAL,s.isObject,s.combineConfig,s.combineDefaults),o=s.combineWithMathJax,a=(s.MathJax,MathJax._.core.MathItem),n=(a.protoItem,a.AbstractMathItem,a.STATE),r=a.newState,l=MathJax._.core.MmlTree.SerializedMmlVisitor.SerializedMmlVisitor,p=MathJax._.util.Options,c=(p.isObject,p.APPEND,p.REMOVE,p.OPTIONS,p.Expandable,p.expandable);p.makeArray,p.keys,p.copy,p.insert,p.defaultOptions,p.userOptions,p.selectOptions,p.selectOptionsFromKeys,p.separateOptions,p.lookup;class m extends l{getAttributes(t){return super.getAttributes(t).replace(/ ?id=".*?"/,"")}}function d(t){return class extends t{assistiveMml(t,e=!1){if(!(this.state()>=n.ASSISTIVEMML)){if(!this.isEscaped&&(t.options.enableAssistiveMml||e)){const e=t.adaptor,s=t.toMML(this.root).replace(/\n */g,"").replace(/<!--.*?-->/g,""),i=e.firstChild(e.body(e.parse(s,"text/html"))),o=e.node("mjx-assistive-mml",{unselectable:"on",display:this.display?"block":"inline"},[i]);for(const t of e.childNodes(this.typesetRoot))e.setAttribute(t,"aria-hidden","true");e.setStyle(this.typesetRoot,"position","relative"),e.append(this.typesetRoot,o)}this.state(n.ASSISTIVEMML)}}}}function h(t){var e;return(e=class extends t{constructor(...t){super(...t);const e=this.constructor,s=e.ProcessBits;s.has("assistive-mml")||s.allocate("assistive-mml"),this.visitor=new m(this.mmlFactory),this.options.MathItem=d(this.options.MathItem),"addStyles"in this&&this.addStyles(e.assistiveStyles)}toMML(t){return this.visitor.visitTree(t)}assistiveMml(){if(!this.processed.isSet("assistive-mml")){for(const t of this.math)t.assistiveMml(this);this.processed.set("assistive-mml")}return this}state(t,e=!1){return super.state(t,e),t<n.ASSISTIVEMML&&this.processed.clear("assistive-mml"),this}}).OPTIONS=Object.assign(Object.assign({},t.OPTIONS),{enableAssistiveMml:!0,renderActions:c(Object.assign(Object.assign({},t.OPTIONS.renderActions),{assistiveMml:[n.ASSISTIVEMML]}))}),e.assistiveStyles={"mjx-assistive-mml":{position:"absolute !important",top:"0px",left:"0px",bottom:"0px",right:"0px",clip:"rect(1px, 1px, 1px, 1px)","clip-path":"polygon(0 0, 0 1px, 1px 1px, 1px 0)",padding:"1px 0px 0px 0px !important",border:"0px !important",display:"block !important",width:"auto !important",overflow:"hidden !important","text-indent":"0px ! important","-webkit-touch-callout":"none","-webkit-user-select":"none","-khtml-user-select":"none","-moz-user-select":"none","-ms-user-select":"none","user-select":"none"},'mjx-assistive-mml[display="block"]':{width:"100% !important"}},e}function u(t){return t.documentClass=h(t.documentClass),t}r("ASSISTIVEMML",153),MathJax.loader&&MathJax.loader.checkVersion("a11y/assistive-mml","4.1.2","a11y"),o({_:{a11y:{"assistive-mml":e}}}),MathJax.startup&&(MathJax.config.options&&!1!==MathJax.config.options.enableAssistiveMml&&i(MathJax.config,"options",{menuOptions:{settings:{assistiveMml:!0}}}),MathJax.startup.extendHandler(t=>u(t)))})();