mathjax/output/chtml.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

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this.cssFontMap[t]||["serif",!1,!1]}getFamily(t){return this.cssFamilyPrefix?this.cssFamilyPrefix+", 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Map;const $t=MathJax._.core.Tree.Visitor.AbstractVisitor,Jt=MathJax._.util.BBox.BBox;class Kt extends Jt{static from(t,e,s=null){const i=new this;return Object.assign(i,t),i.lineLeading=e,s&&(i.indentData=s),i}constructor(t,e=null){super(t),this.indentData=null,this.isFirst=!1,this.originalL=this.L,e&&(this.start=e)}append(t){this.isFirst&&(t.originalL+=t.L,t.L=0),t.indentData&&(this.indentData=t.indentData),this.lineLeading=t.lineLeading,super.append(t),this.isFirst=t.isFirst}copy(){const t=Kt.from(this,this.lineLeading);return t.indentData=this.indentData,t.lineLeading=this.lineLeading,t}getIndentData(t){let{indentalign:e,indentshift:s,indentalignfirst:i,indentshiftfirst:n,indentalignlast:o,indentshiftlast:r}=t.attributes.getAllAttributes();"indentalign"===i&&(i=t.attributes.getInherited("indentalign")),"indentshift"===n&&(n=t.attributes.getInherited("indentshift")),"indentalign"===o&&(o=e),"indentshift"===r&&(r=s),this.indentData=[[i,n],[e,s],[o,r]]}copyIndentData(t){return t.indentData.map((([t,e])=>[t,e]))}}const qt=MathJax._.core.MmlTree.OperatorDictionary,Xt=(qt.OPDEF,qt.MO,qt.RANGES,qt.getRange,qt.MMLSPACING,qt.OPTABLE),Qt=1e6;class Gt extends $t{breakToWidth(t,e){}}class Yt extends Gt{constructor(){super(...arguments),this.PENALTY={newline:t=>0,nobreak:t=>Qt,goodbreak:t=>t-200*this.state.depth,badbreak:t=>t+200*this.state.depth,auto:t=>t},this.FACTORS={depth:t=>t+800*this.state.depth,width:t=>t+Math.floor((this.state.width-this.state.w)/this.state.width*2500),tail:t=>t+Math.floor(this.state.width/Math.max(1e-4,this.state.mathLeft-this.state.w)*500),open:(t,e)=>{const s=e.node.prevClass;if(s===jt.BIN||s===jt.REL||s===jt.OP)return t+5e3;const i=this.getPrevious(e);if(i&&("postfix"!==i.attributes.get("form")||"nobreak"===i.attributes.get("linebreak")))return t+5e3;const n=e.node.Parent;if((null==n?void 0:n.isKind("mmultiscripts"))&&e.node===this.getFirstToken(n)){if(!!n.childNodes.filter((t=>t.isKind("mprescripts"))).length)return Qt}return t-500},close:(t,e)=>{var s;const i=e.node.Parent;return!(null==i?void 0:i.isKind("msubsup"))||i.isKind("mmultiscripts")&&(null===(s=i.childNodes[1])||void 0===s?void 0:s.isKind("mprescripts"))||e.node!==this.getLastToken(i.childNodes[0])?t+500:Qt},space:(t,e)=>{const s=e;if(!s.canBreak)return Qt;const i=s.getBBox().w;return i<0?Qt:i<1?t:t-100*(i+4)},separator:t=>t+500,fuzz:t=>.99*t},this.TEXCLASS={[jt.BIN]:t=>t-250,[jt.REL]:t=>t-500}}breakToWidth(t,e){const s=this.state;this.state=this.createState(t),this.state.width=e;const i=t.breakCount;for(let s=0;s<=i;s++){(t.lineBBox[s]||t.getLineBBox(s)).w>e&&this.breakLineToWidth(t,s)}for(const[t,e]of this.state.breaks){if(null===e){const e=t.coreMO();e.setBreakStyle(e.node.attributes.get("linebreakstyle")||"before")}else t.setBreakAt(e);t.invalidateBBox()}this.state=s}createState(t){const e=t.getBBox().w;return{breaks:new Set,potential:[],width:0,w:0,prevWidth:0,prevBreak:null,depth:0,mathWidth:e,mathLeft:e}}breakLineToWidth(t,e){const s=this.state;s.potential=[],s.w=0,s.prevWidth=0,s.prevBreak=null,s.depth=0,this.visitNode(t,e)}addWidth(t,e=null){null===e&&(e=t.L+t.w+t.R),e&&(e*=t.rscale,this.state.w+=e,this.state.potential.length&&(this.state.potential[0][4]+=e),this.processBreak())}processBreak(){const t=this.state;for(;t.potential.length&&t.w>this.state.width;){const e=t.potential.pop(),[s,,i,n,o]=e;t.breaks.add(s),t.w=t.potential.reduce(((t,e)=>t+e[4]),n+o),t.prevBreak&&t.prevWidth+i<=t.width?(t.breaks.delete(t.prevBreak[0]),t.prevWidth+=i):t.prevWidth=i+n,t.potential.forEach((t=>t[2]-=i)),t.prevBreak=e,t.mathLeft-=i}}pushBreak(t,e,s,i){var n;const o=this.state;if(!(e>=Qt||0===o.w&&0===o.prevWidth)){for(;o.potential.length&&o.potential[0][1]>this.FACTORS.fuzz(e);){const t=o.potential.shift();o.potential.length&&(o.potential[0][4]+=t[4])}o.potential.unshift([[t,i],e,o.w-((null===(n=o.prevBreak)||void 0===n?void 0:n[3])||0),s,0])}}getBorderLR(t){var e;const s=t.styleData;if(!s)return[0,0];const i=(null===(e=null==s?void 0:s.border)||void 0===e?void 0:e.width)||[0,0,0,0],n=(null==s?void 0:s.padding)||[0,0,0,0];return[i[3]+n[3],i[1]+n[1]]}getFirstToken(t){return t.isToken?t:this.getFirstToken(t.childNodes[0])}getLastToken(t){return t.isToken?t:this.getLastToken(t.childNodes[t.childNodes.length-1])}visitNode(t,e){t&&(this.state.depth++,t.node.isEmbellished&&!t.node.isKind("mo")?this.visitEmbellishedOperator(t,e):super.visitNode(t,e),this.state.depth--)}visitDefault(t,e){var s;const i=t.getLineBBox(e);if(t.node.isToken||t.node.linebreakContainer||!(null===(s=t.childNodes)||void 0===s?void 0:s[0]))this.addWidth(i);else{const[s,n]=this.getBorderLR(t);0===e&&this.addWidth(i,i.L+s),this.visitNode(t.childNodes[0],e),e===t.breakCount&&this.addWidth(i,i.R+n)}}visitEmbellishedOperator(t,e){const s=t.coreMO(),i=Kt.from(t.getOuterBBox(),t.linebreakOptions.lineleading);i.getIndentData(s.node);const n=s.getBreakStyle(s.node.attributes.get("linebreakstyle")),o=s.processIndent("",i.indentData[1][1],"",i.indentData[0][1],this.state.width)[1],r=this.moPenalty(s);if("before"===n)this.pushBreak(t,r,o-i.L,null),this.addWidth(i);else{this.addWidth(i);const e=("after"===n?0:s.multChar?s.multChar.getBBox().w:i.w)+o;this.pushBreak(t,r,e,null)}}visitMoNode(t,e){const s=t,i=Kt.from(s.getOuterBBox(),s.linebreakOptions.lineleading);i.getIndentData(s.node);const n=s.getBreakStyle(s.node.attributes.get("linebreakstyle")),o=s.processIndent("",i.indentData[1][1],"",i.indentData[0][1],this.state.width)[1],r=this.moPenalty(s);if("before"===n)this.pushBreak(t,r,o-i.L,null),this.addWidth(i);else{this.addWidth(i);const e=("after"===n?0:s.multChar?s.multChar.getBBox().w:i.w)+o;this.pushBreak(t,r,e,null)}}moPenalty(t){const{linebreak:e,fence:s,form:i}=t.node.attributes.getList("linebreak","fence","form"),n=this.FACTORS;let o=n.tail(n.width(0));const r=s&&"prefix"===i||t.node.texClass===jt.OPEN,a=s&&"postfix"===i||t.node.texClass===jt.CLOSE;return r&&(o=n.open(o,t),this.state.depth++),a&&(o=n.close(o,t),this.state.depth--),o=(this.TEXCLASS[t.node.texClass]||(t=>t))(o),(this.PENALTY[e]||(t=>t))(n.depth(o))}getPrevious(t){let e=t.node,s=e.parent,i=s.childIndex(e);for(;s&&(s.notParent||s.isKind("mrow"))&&0===i;)e=s,s=e.parent,i=s.childIndex(e);if(!s||!i)return null;const n=s.childNodes[i-1];return n.isEmbellished?n.coreMO():null}visitMspaceNode(t,e){const s=t.getLineBBox(e),i=t;if(i.canBreak){const e=this.mspacePenalty(i);s.getIndentData(t.node);const n=t.processIndent("",s.indentData[1][1],"",s.indentData[0][1],this.state.width)[1];this.pushBreak(t,e,n-s.w,null)}this.addWidth(s)}mspacePenalty(t){const e=t.node.attributes.get("linebreak"),s=this.FACTORS,i=s.space(s.tail(s.width(0)),t);return(this.PENALTY[e]||(t=>t))(s.depth(i))}visitMtextNode(t,e){if(!t.getText().match(/ /))return void this.visitDefault(t,e);const s=t;s.clearBreakPoints();const i=s.textWidth(" "),n=t.getBBox(),[o,r]=this.getBorderLR(t);this.addWidth(n,n.L+o);const a=s.childNodes;for(const e of a.keys()){const o=a[e];if(o.node.isKind("text")){const r=o.node.getText().split(/ /),a=r.pop();for(const o of r.keys())this.addWidth(n,s.textWidth(r[o])),this.pushBreak(t,this.mtextPenalty(),-i,[e,o+1]),this.addWidth(n,i);this.addWidth(n,s.textWidth(a))}else this.addWidth(o.getBBox())}this.addWidth(n,n.R+r)}mtextPenalty(){const t=this.FACTORS;return t.depth(t.tail(t.width(0)))}visitMrowNode(t,e){const s=t.lineBBox[e]||t.getLineBBox(e),[i,n]=s.start||[0,0],[o,r]=s.end||[t.childNodes.length-1,0],[a,h]=this.getBorderLR(t);this.addWidth(s,s.L+a);for(let e=i;e<=o;e++)this.visitNode(t.childNodes[e],e===i?n:e===o?r:0);this.addWidth(s,s.R+h)}visitInferredMrowNode(t,e){this.state.depth--,this.visitMrowNode(t,e),this.state.depth++}visitMfracNode(t,e){const s=t;!s.node.attributes.get("bevelled")&&s.getOuterBBox().w>this.state.width&&(this.breakToWidth(s.childNodes[0],this.state.width),this.breakToWidth(s.childNodes[1],this.state.width)),this.visitDefault(t,e)}visitMsqrtNode(t,e){if(t.getOuterBBox().w>this.state.width){const e=t,s=e.childNodes[e.base];this.breakToWidth(s,this.state.width-e.rootWidth()),e.getStretchedSurd()}this.visitDefault(t,e)}visitMrootNode(t,e){this.visitMsqrtNode(t,e)}visitMsubNode(t,e){this.visitDefault(t,e);const s=t,i=s.getOffset()[0],n=s.scriptChild.getOuterBBox(),[o,r]=this.getBorderLR(t);this.addWidth(s.getLineBBox(e),i+o+n.rscale*n.w+s.font.params.scriptspace+r)}visitMsupNode(t,e){this.visitDefault(t,e);const s=t,i=s.getOffset()[0],n=s.scriptChild.getOuterBBox(),[o,r]=this.getBorderLR(t);this.addWidth(s.getLineBBox(e),i+o+n.rscale*n.w+s.font.params.scriptspace+r)}visitMsubsupNode(t,e){this.visitDefault(t,e);const s=t,i=s.subChild.getOuterBBox(),n=s.supChild.getOuterBBox(),o=s.getAdjustedIc(),r=Math.max(i.rscale*i.w,o+n.rscale*n.w)+s.font.params.scriptspace,[a,h]=this.getBorderLR(t);this.addWidth(t.getLineBBox(e),a+r+h)}visitMmultiscriptsNode(t,e){const s=t,i=s.scriptData;if(i.numPrescripts){const n=Math.max(i.psup.rscale*i.psup.w,i.psub.rscale*i.psub.w);this.addWidth(t.getLineBBox(e),n+s.font.params.scriptspace)}if(this.visitDefault(t,e),i.numScripts){const n=Math.max(i.sup.rscale*i.sup.w,i.sub.rscale*i.sub.w);this.addWidth(t.getLineBBox(e),n+s.font.params.scriptspace)}}visitMfencedNode(t,e){const s=t,i=t.getLineBBox(e),[n,o]=this.getBorderLR(t);0===e&&this.addWidth(i,i.L+n),this.visitNode(s.mrow,e),e===t.breakCount&&this.addWidth(i,i.R+o)}visitMactionNode(t,e){const s=t,i=t.getLineBBox(e),[n,o]=this.getBorderLR(t);0===e&&this.addWidth(i,i.L+n),this.visitNode(s.selected,e),e===t.breakCount&&this.addWidth(i,i.R+o)}}!function(){for(const t of Object.keys(Xt.postfix)){const e=Xt.postfix[t][3];e&&e.fence&&(e.linebreakstyle="after")}Xt.infix["\u2061"]=[...Xt.infix["\u2061"]],Xt.infix["\u2061"][3]={linebreak:"nobreak"}}();const Zt=MathJax._.util.lengths,te=Zt.BIGDIMEN,ee=(Zt.UNITS,Zt.RELUNITS,Zt.MATHSPACE,Zt.length2em),se=Zt.percent,ie=Zt.em,ne=Zt.px,oe=MathJax._.util.Styles,re=oe.TRBL,ae=(oe.WSC,oe.Styles),he=MathJax._.util.StyleJson.StyleJsonSheet,le="@mathjax/%%FONT%%-font";class de extends kt{get forceInlineBreaks(){return!1}constructor(t={},e=null,s=null){const[i,n]=t.fontData instanceof Ut?[t.fontData.constructor,t.fontData]:[t.fontData||s,null],[o,r]=Ot(t,i.OPTIONS);super(o),this.factory=this.options.wrapperFactory||new e,this.factory.jax=this,this.styleJson=this.options.styleJson||new he,this.font=n||new i(r),this.font.setOptions({mathmlSpacing:this.options.mathmlSpacing}),this.constructor.genericFont=i,this.unknownCache=new Map;const a=this.options.linebreaks.LinebreakVisitor||Yt;this.linebreaks=new a(this.factory)}setAdaptor(t){super.setAdaptor(t),"auto"===this.options.htmlHDW&&(this.options.htmlHDW=t.canMeasureNodes?"ignore":"force")}addExtension(t,e=""){return this.font.addExtension(t,e)}typeset(t,e){const s=this.constructor,i=s.genericFont;s.genericFont=this.font.constructor,this.setDocument(e);const n=this.createNode();try{this.toDOM(t,n,e)}finally{s.genericFont=i}return n}createNode(){const t=this.constructor.NAME;return this.html("mjx-container",{class:"MathJax",jax:t})}setScale(t,e){let s=this.getInitialScale()*this.options.scale;if("scale"===e.node.attributes.get("overflow")&&this.math.display){const t=e.getOuterBBox().w,i=Math.max(0,this.math.metrics.containerWidth-4)/this.pxPerEm;t>i&&t&&(s*=i/t)}1!==s&&this.adaptor.setStyle(t,"fontSize",se(s))}getInitialScale(){return this.math.metrics.scale}toDOM(t,e,s=null){var i;this.setDocument(s),this.math=t,this.container=e,this.pxPerEm=t.metrics.ex/this.font.params.x_height,this.executeFilters(this.preFilters,t,s,e),this.nodeMap=new Map,t.root.attributes.getAllInherited().overflow=this.options.displayOverflow;const n=t.root.attributes.get("overflow");this.adaptor.setAttribute(e,"overflow",n);"linebreak"===n&&this.getLinebreakWidth();const o=this.options.linebreaks.inline&&!t.display;let r=!!t.root.getProperty("inlineMarked");!r||o&&this.forceInlineBreaks===t.root.getProperty("inlineForced")||(this.unmarkInlineBreaks(t.root),t.root.removeProperty("inlineMarked"),t.root.removeProperty("inlineForced"),r=!1),o&&!r&&(this.markInlineBreaks(null===(i=t.root.childNodes)||void 0===i?void 0:i[0]),t.root.setProperty("inlineMarked",!0),t.root.setProperty("inlineForced",this.forceInlineBreaks)),t.root.setTeXclass(null);const a=this.factory.wrap(t.root);this.setScale(e,a),this.processMath(a,e),this.nodeMap=null,this.executeFilters(this.postFilters,t,s,e)}getBBox(t,e){this.setDocument(e),this.math=t,t.root.setTeXclass(null),this.nodeMap=new Map;const s=this.factory.wrap(t.root).getOuterBBox();return this.nodeMap=null,s}getLinebreakWidth(){const t=this.math.metrics.containerWidth/this.pxPerEm,e=this.math.root.attributes.get("maxwidth")||this.options.linebreaks.width;this.containerWidth=ee(e,t,1,this.pxPerEm)}markInlineBreaks(t){if(!t)return;const e=this.forceInlineBreaks;let s=!1,i=!1,n="";for(const o of t.childNodes)if(n)i=this.markInlineBreak(i,e,n,t,o),n="",s=!1;else if(o.isEmbellished){if(o===t.childNodes[0])continue;const r=o.coreMO(),a=r.texClass,h=r.attributes.get("linebreak"),l=r.attributes.get("linebreakstyle");(a===jt.BIN||a===jt.REL||a===jt.ORD&&r.hasSpacingAttributes()||"auto"!==h)&&"nobreak"!==h&&("before"===l?s&&"auto"===h||(i=this.markInlineBreak(i,e,h,t,o,r)):n=h),s="newline"===h&&"after"===l}else if(o.isKind("mspace")){const n=o.attributes.get("linebreak");"nobreak"!==n&&o.canBreak&&(i=this.markInlineBreak(i,e,n,t,o)),s="newline"===n}else s=!1,o.isKind("mstyle")&&!o.attributes.get("style")&&!o.attributes.hasExplicit("mathbackground")||o.isKind("semantics")?(this.markInlineBreaks(o.childNodes[0]),o.getProperty("process-breaks")&&(o.setProperty("inline-breaks",!0),o.childNodes[0].setProperty("inline-breaks",!0),t.parent.setProperty("process-breaks","true"))):o.isKind("mrow")&&o.attributes.get("data-semantic-added")&&(this.markInlineBreaks(o),o.getProperty("process-breaks")&&(o.setProperty("inline-breaks",!0),t.parent.setProperty("process-breaks","true")))}markInlineBreak(t,e,s,i,n,o=null){return n.setProperty("breakable",!0),e&&"newline"!==s?(n.setProperty("forcebreak",!0),null==o||o.setProperty("forcebreak",!0)):(n.removeProperty("forcebreak"),null==o||o.removeProperty("forcebreak"),"newline"===s&&n.setProperty("newline",!0)),t||(i.setProperty("process-breaks",!0),i.parent.setProperty("process-breaks",!0),t=!0),t}unmarkInlineBreaks(t){if(t&&(t.removeProperty("forcebreak"),t.removeProperty("breakable"),t.getProperty("process-breaks"))){t.removeProperty("process-breaks");for(const e of t.childNodes)this.unmarkInlineBreaks(e)}}getMetrics(t){this.setDocument(t);const e=this.adaptor,s=this.getMetricMaps(t);for(const i of t.math){const t=e.parent(i.start.node);if(i.state()<Ct.METRICS&&t){const e=s[i.display?1:0],{em:n,ex:o,containerWidth:r,scale:a,family:h}=e.get(t);i.setMetrics(n,o,r,a),this.options.mtextInheritFont&&(i.outputData.mtextFamily=h),this.options.merrorInheritFont&&(i.outputData.merrorFamily=h),i.state(Ct.METRICS)}}}getMetricsFor(t,e){const s=this.options.mtextInheritFont||this.options.merrorInheritFont,i=this.getTestElement(t,e),n=Object.assign(Object.assign({},this.measureMetrics(i,s)),{display:e});return this.adaptor.remove(i),n}getMetricMaps(t){const e=this.adaptor,s=[new Map,new Map];for(const i of t.math){const t=e.parent(i.start.node);if(t&&i.state()<Ct.METRICS){const e=s[i.display?1:0];e.has(t)||e.set(t,this.getTestElement(t,i.display))}}const i=this.options.mtextInheritFont||this.options.merrorInheritFont,n=[new Map,new Map];for(const t of n.keys())for(const e of s[t].keys())n[t].set(e,this.measureMetrics(s[t].get(e),i));for(const t of n.keys())for(const i of s[t].values())e.remove(i);return n}getTestElement(t,e){const s=this.adaptor;if(!this.testInline){this.testInline=this.html("mjx-test",{style:{display:"inline-block",width:"100%","font-style":"normal","font-weight":"normal","font-size":"100%","font-size-adjust":"none","text-indent":0,"text-transform":"none","letter-spacing":"normal","word-spacing":"normal",overflow:"hidden",height:"1px","margin-right":"-1px"}},[this.html("mjx-left-box",{style:{display:"inline-block",width:0,float:"left"}}),this.html("mjx-ex-box",{style:{position:"absolute",overflow:"hidden",width:"1px",height:"60ex"}}),this.html("mjx-right-box",{style:{display:"inline-block",width:0,float:"right"}})]),this.testDisplay=s.clone(this.testInline),s.setStyle(this.testDisplay,"display","table"),s.setStyle(this.testDisplay,"margin-right",""),s.setStyle(s.firstChild(this.testDisplay),"display","none");const t=s.lastChild(this.testDisplay);s.setStyle(t,"display","table-cell"),s.setStyle(t,"width","10000em"),s.setStyle(t,"float","")}return s.append(t,s.clone(e?this.testDisplay:this.testInline))}measureMetrics(t,e){const s=this.adaptor,i=e?s.fontFamily(t):"",n=s.fontSize(t),[o,r]=s.nodeSize(s.childNode(t,1)),a=o?r/60:n*this.options.exFactor;return{em:n,ex:a,containerWidth:o?"table"===s.getStyle(t,"display")?s.nodeSize(s.lastChild(t))[0]-1:s.nodeBBox(s.lastChild(t)).left-s.nodeBBox(s.firstChild(t)).left-2:1e6,scale:Math.max(this.options.minScale,this.options.matchFontHeight?a/this.font.params.x_height/n:1),family:i}}styleSheet(t){if(this.setDocument(t),this.styleJson.clear(),this.styleJson.addStyles(this.constructor.commonStyles),"getStyles"in t)for(const e of t.getStyles())this.styleJson.addStyles(e);this.addWrapperStyles(this.styleJson),this.addFontStyles(this.styleJson);return this.html("style",{id:"MJX-styles"},[this.text("\n"+this.styleJson.cssText+"\n")])}addFontStyles(t){t.addStyles(this.font.styles)}addWrapperStyles(t){for(const e of this.factory.getKinds())this.addClassStyles(this.factory.getNodeClass(e),t)}addClassStyles(t,e){t.addStyles(e,this)}insertStyles(t){}setDocument(t){t&&(this.document=t,this.adaptor.document=t.document)}html(t,e={},s=[],i){return this.adaptor.node(t,e,s,i)}text(t){return this.adaptor.text(t)}fixed(t,e=3){return Math.abs(t)<6e-4?"0":t.toFixed(e).replace(/\.?0+$/,"")}measureText(t,e,s=["",!1,!1]){const i=this.unknownText(t,e);if("-explicitFont"===e){const t=this.cssFontStyles(s);this.adaptor.setAttributes(i,{style:t})}return this.measureTextNodeWithCache(i,t,e,s)}measureTextNodeWithCache(t,e,s,i=["",!1,!1]){"-explicitFont"===s&&(s=[i[0],i[1]?"T":"F",i[2]?"T":"F",""].join("-")),this.unknownCache.has(s)||this.unknownCache.set(s,new Map);const n=this.unknownCache.get(s),o=n.get(e);if(o)return o;const r=this.measureTextNode(t);return n.set(e,r),r}cssFontStyles(t,e={}){const[s,i,n]=t;return e["font-family"]=this.font.getFamily(s),i&&(e["font-style"]="italic"),n&&(e["font-weight"]="bold"),e}getFontData(t){return t||(t=new ae),[this.font.getFamily(t.get("font-family")),"italic"===t.get("font-style"),"bold"===t.get("font-weight")]}}de.NAME="Common",de.OPTIONS=Object.assign(Object.assign({},kt.OPTIONS),{scale:1,minScale:.5,mtextInheritFont:!1,merrorInheritFont:!1,mtextFont:"",merrorFont:"serif",mathmlSpacing:!1,skipAttributes:{},exFactor:.5,displayAlign:"center",displayIndent:"0",displayOverflow:"overflow",linebreaks:{inline:!0,width:"100%",lineleading:.2,LinebreakVisitor:null},font:"",fontExtensions:[],htmlHDW:"auto",wrapperFactory:null,fontData:null,fontPath:le,styleJson:null}),de.commonStyles={'mjx-container[overflow="scroll"][display]':{overflow:"auto clip","min-width":"initial !important"},'mjx-container[overflow="truncate"][display]':{overflow:"hidden clip","min-width":"initial !important"},"mjx-container[display]":{display:"block","text-align":"center","justify-content":"center",margin:".7em 0",padding:".3em 2px"},'mjx-container[display][width="full"]':{display:"flex"},'mjx-container[justify="left"]':{"text-align":"left","justify-content":"left"},'mjx-container[justify="right"]':{"text-align":"right","justify-content":"right"}};const ce=MathJax._.core.Tree.WrapperFactory.AbstractWrapperFactory;class me extends ce{constructor(){super(...arguments),this.jax=null}get Wrappers(){return this.node}}me.defaultNodes={};const pe=MathJax._.core.Tree.Wrapper.AbstractWrapper,ue=MathJax._.util.string,ge=(ue.sortLength,ue.quotePattern,ue.unicodeChars),xe=(ue.unicodeString,ue.isPercent),fe=ue.split,be=(ue.replaceUnicode,ue.toEntity,2/18),ye=5/18;function Be(t,e,s){return e?t?be:ye:t?s<be?0:be:s}const ke={[ie(0)]:"0",[ie(2/18)]:"1",[ie(3/18)]:"2",[ie(4/18)]:"3",[ie(5/18)]:"4",[ie(6/18)]:"5"};class we extends pe{static addStyles(t,e){t.addStyles(this.styles)}get jax(){return this.factory.jax}get adaptor(){return this.factory.jax.adaptor}get metrics(){return this.factory.jax.math.metrics}get containerWidth(){return this.parent?this.parent.containerWidth:this.jax.containerWidth}get linebreaks(){return this.jax.linebreaks}get linebreakOptions(){return this.jax.options.linebreaks}get fixesPWidth(){return!this.node.notParent&&!this.node.isToken}get breakCount(){if(this._breakCount<0){const t=this.node;this._breakCount=t.isEmbellished?this.coreMO().embellishedBreakCount:t.arity<0&&!t.linebreakContainer&&this.childNodes[0].isStack?this.childNodes[0].breakCount:0}return this._breakCount}breakTop(t,e){return this.node.linebreakContainer||!this.parent?t:this.parent.breakTop(t,this)}constructor(t,e,s=null){super(t,e),this.parent=null,this.dom=null,this.removedStyles=null,this.styles=null,this.styleData=null,this.variant="",this.bboxComputed=!1,this._breakCount=-1,this.lineBBox=[],this.stretch=zt,this.font=null,this.parent=s,this.font=t.jax.font,this.bbox=Jt.zero(),this.getStyles(),this.getStyleData(),this.getVariant(),this.getScale(),this.getSpace(),this.childNodes=e.childNodes.map((t=>{const s=this.wrap(t);return s.bbox.pwidth&&(e.notParent||e.isKind("math"))&&(this.bbox.pwidth=Jt.fullWidth),s}))}wrap(t,e=null){const s=this.factory.wrap(t,e||this);return e&&e.childNodes.push(s),this.jax.nodeMap.set(t,s),s}getBBox(t=!0){if(this.bboxComputed)return this.bbox;const e=t?this.bbox:Jt.zero();return this.computeBBox(e),this.bboxComputed=t,e}getOuterBBox(t=!0){var e;const s=this.getBBox(t);if(!this.styleData)return s;const i=this.styleData.padding,n=(null===(e=this.styleData.border)||void 0===e?void 0:e.width)||[0,0,0,0],o=s.copy();for(const[,t,e]of Jt.boxSides)o[e]+=i[t]+n[t];return o}getUnbrokenHD(){const t=this.breakCount+1;let e=0,s=0;for(let i=0;i<t;i++){const{h:t,d:n}=this.getLineBBox(i);t>e&&(e=t),n>s&&(s=n)}return[e,s]}computeBBox(t,e=!1){t.empty();for(const e of this.childNodes)t.append(e.getOuterBBox());t.clean(),this.fixesPWidth&&this.setChildPWidths(e)&&this.computeBBox(t,!0)}getLineBBox(t){if(!this.lineBBox[t]){const e=this.breakCount;if(e){const s=this.embellishedBBox(t)||this.computeLineBBox(t);this.lineBBox[t]=s,0===t&&(!this.node.isKind("mo")&&this.node.isEmbellished?s.originalL=this.getBBox().L:s.L=this.getBBox().L),t===e&&(s.R=this.getBBox().R)}else{const e=this.getOuterBBox();this.lineBBox[t]=Kt.from(e,this.linebreakOptions.lineleading)}}return this.lineBBox[t]}embellishedBBox(t){if(!this.node.isEmbellished||this.node.isKind("mo"))return null;const e=this.coreMO();return e.moLineBBox(t,e.embellishedBreakStyle,this.getOuterBBox())}computeLineBBox(t){return this.getChildLineBBox(this.childNodes[0],t)}getBreakNode(t){var e,s;if(!t.start)return[this,null];const[i,n]=t.start;if(this.node.isEmbellished)return[this,this.coreMO()];const o=(null===(s=null===(e=this.childNodes[0])||void 0===e?void 0:e.node)||void 0===s?void 0:s.isInferred)||this.node.isKind("semantics")?this.childNodes[0].childNodes:this.childNodes;return this.node.isToken||!o[i]?[this,null]:o[i].getBreakNode(o[i].getLineBBox(n))}getChildLineBBox(t,e){const s=this.breakCount;let i=t.getLineBBox(e);return(this.styleData||this.bbox.L||this.bbox.R)&&(i=i.copy()),this.addMiddleBorders(i),0===e?(i.L+=this.bbox.L,this.addLeftBorders(i)):e===s&&(i.R+=this.bbox.R,this.addRightBorders(i)),i}addLeftBorders(t){var e;if(!this.styleData)return;const s=this.styleData.border,i=this.styleData.padding;t.w+=((null===(e=null==s?void 0:s.width)||void 0===e?void 0:e[3])||0)+((null==i?void 0:i[3])||0)}addMiddleBorders(t){var e,s;if(!this.styleData)return;const i=this.styleData.border,n=this.styleData.padding;t.h+=((null===(e=null==i?void 0:i.width)||void 0===e?void 0:e[0])||0)+((null==n?void 0:n[0])||0),t.d+=((null===(s=null==i?void 0:i.width)||void 0===s?void 0:s[2])||0)+((null==n?void 0:n[2])||0)}addRightBorders(t){var e;if(!this.styleData)return;const s=this.styleData.border,i=this.styleData.padding;t.w+=((null===(e=null==s?void 0:s.width)||void 0===e?void 0:e[1])||0)+((null==i?void 0:i[1])||0)}setChildPWidths(t,e=null,s=!0){if(t)return!1;s&&(this.bbox.pwidth="");let i=!1;for(const n of this.childNodes){const o=n.getBBox();o.pwidth&&n.setChildPWidths(t,null===e?o.w:e,s)&&(i=!0)}return i}breakToWidth(t){}invalidateBBox(t=!0){(this.bboxComputed||this._breakCount>=0)&&(this.bboxComputed=!1,this.lineBBox=[],this._breakCount=-1,this.parent&&t&&this.parent.invalidateBBox())}copySkewIC(t){var e,s,i;const n=this.childNodes[0];(null===(e=null==n?void 0:n.bbox)||void 0===e?void 0:e.sk)&&(t.sk=n.bbox.sk),(null===(s=null==n?void 0:n.bbox)||void 0===s?void 0:s.dx)&&(t.dx=n.bbox.dx);const o=this.childNodes[this.childNodes.length-1];(null===(i=null==o?void 0:o.bbox)||void 0===i?void 0:i.ic)&&(t.ic=o.bbox.ic,t.w+=t.ic)}getStyles(){const t=this.node.attributes.getExplicit("style");if(!t)return;const e=this.styles=new ae(t);for(let t=0,s=we.removeStyles.length;t<s;t++){const s=we.removeStyles[t];e.get(s)&&(this.removedStyles||(this.removedStyles={}),this.removedStyles[s]=e.get(s),e.set(s,""))}}getStyleData(){if(!this.styles)return;const t=Array(4).fill(0),e=Array(4).fill(0),s=Array(4),i=Array(4);let n=!1,o=!1;for(const[r,a]of Jt.boxSides){const h="border"+r,l=this.styles.get(h+"Width");l&&(o=!0,e[a]=Math.max(0,this.length2em(l,1)),s[a]=this.styles.get(h+"Style")||"solid",i[a]=this.styles.get(h+"Color"));const d=this.styles.get("padding"+r);d&&(n=!0,t[a]=Math.max(0,this.length2em(d,1)))}this.styleData=n||o?{padding:t,border:o?{width:e,style:s,color:i}:null}:null}getVariant(){if(!this.node.isToken)return;const t=this.node.attributes;let e=t.get("mathvariant");if(t.hasExplicit("mathvariant"))this.font.getVariant(e)||(console.warn(`Invalid variant: ${e}`),e="normal");else{const s=t.getList("fontfamily","fontweight","fontstyle");if(this.removedStyles){const t=this.removedStyles;t.fontFamily&&(s.family=t.fontFamily),t.fontWeight&&(s.weight=t.fontWeight),t.fontStyle&&(s.style=t.fontStyle)}s.fontfamily&&(s.family=s.fontfamily),s.fontweight&&(s.weight=s.fontweight),s.fontstyle&&(s.style=s.fontstyle),s.weight&&s.weight.match(/^\d+$/)&&(s.weight=parseInt(s.weight)>600?"bold":"normal"),s.family?e=this.explicitVariant(s.family,s.weight,s.style):(this.node.getProperty("variantForm")&&(e="-tex-variant"),e=(we.BOLDVARIANTS[s.weight]||{})[e]||e,e=(we.ITALICVARIANTS[s.style]||{})[e]||e)}this.variant=e}explicitVariant(t,e,s){let i=this.styles;return i||(i=this.styles=new ae),i.set("fontFamily",t),e&&i.set("fontWeight",e),s&&i.set("fontStyle",s),"-explicitFont"}getScale(){let t=1;const e=this.parent,s=e?e.bbox.scale:1,i=this.node.attributes,n=Math.min(i.get("scriptlevel"),2);let o=i.get("fontsize"),r=this.node.isToken||this.node.isKind("mstyle")?i.get("mathsize"):i.getInherited("mathsize");if(0!==n&&(t=Math.pow(i.get("scriptsizemultiplier"),n)),this.removedStyles&&this.removedStyles.fontSize&&!o&&(o=this.removedStyles.fontSize),o&&!i.hasExplicit("mathsize")&&(r=o),"1"!==r&&(t*=this.length2em(r,1,1)),0!==n){const e=this.length2em(i.get("scriptminsize"),.4,1);t<e&&(t=e)}this.bbox.scale=t,this.bbox.rscale=t/s}getSpace(){const t=this.isTopEmbellished(),e=this.node.hasSpacingAttributes();this.jax.options.mathmlSpacing||e?t&&this.getMathMLSpacing():this.getTeXSpacing(t,e)}getMathMLSpacing(){const t=this.node.coreMO(),e=t.coreParent(),s=e.parent;if(!s||!s.isKind("mrow")||1===s.childNodes.length)return;const i=s.childIndex(e);if(null===i)return;const n=t.getProperty("noDictDef"),o=t.attributes,r=o.get("scriptlevel")>0;if(this.bbox.L=o.isSet("lspace")?Math.max(0,this.length2em(o.get("lspace"))):Be(r,n,t.lspace),this.bbox.R=o.isSet("rspace")?Math.max(0,this.length2em(o.get("rspace"))):Be(r,n,t.rspace),!i)return;const a=s.childNodes[i-1];if(!a.isEmbellished)return;const h=this.jax.nodeMap.get(a).getBBox();h.R&&(this.bbox.L=Math.max(0,this.bbox.L-h.R))}getTeXSpacing(t,e){if(!e){const t=this.node.texSpacing();t&&(this.bbox.L=this.length2em(t))}if(t||e){const t=this.node.coreMO().attributes;t.isSet("lspace")&&(this.bbox.L=Math.max(0,this.length2em(t.get("lspace")))),t.isSet("rspace")&&(this.bbox.R=Math.max(0,this.length2em(t.get("rspace"))))}}isTopEmbellished(){return this.node.isEmbellished&&!(this.node.parent&&this.node.parent.isEmbellished)}core(){return this.jax.nodeMap.get(this.node.core())}coreMO(){return this.jax.nodeMap.get(this.node.coreMO())}coreRScale(){let t=this.bbox.rscale,e=this.coreMO();for(;e!==this&&e;)t*=e.bbox.rscale,e=e.parent;return t}getRScale(){let t=1,e=this;for(;e;)t*=e.bbox.rscale,e=e.parent;return t}getText(){let t="";if(this.node.isToken)for(const e of this.node.childNodes)e instanceof St&&(t+=e.getText());return t}canStretch(t){if(this.stretch=zt,this.node.isEmbellished){const e=this.core();e&&e.node!==this.node&&e.canStretch(t)&&(this.stretch=e.stretch)}return this.stretch.dir!==Et.None}getAlignShift(){let{indentalign:t,indentshift:e,indentalignfirst:s,indentshiftfirst:i}=this.node.attributes.getAllAttributes();return"indentalign"!==s&&(t=s),"indentshift"!==i&&(e=i),this.processIndent(t,e)}processIndent(t,e,s="",i="",n=this.metrics.containerWidth){if(!this.jax.math.display)return["left",0];s&&"auto"!==s||(s=this.jax.math.root.getProperty("inlineMarked")?"left":this.jax.options.displayAlign),i&&"auto"!==i||(i=this.jax.math.root.getProperty("inlineMarked")?"0":this.jax.options.displayIndent),"auto"===t&&(t=s),"auto"===e&&(e=i,"right"!==t||e.match(/^\s*0[a-z]*\s*$/)||(e=("-"+e.trim()).replace(/^--/,"")));return[t,this.length2em(e,n)]}getAlignX(t,e,s){return"right"===s?t-(e.w+e.R)*e.rscale:"left"===s?e.L*e.rscale:(t-e.w*e.rscale)/2}getAlignY(t,e,s,i,n){return"top"===n?t-s:"bottom"===n?i-e:"center"===n?(t-s-(e-i))/2:0}getWrapWidth(t){return this.childNodes[t].getBBox().w}getChildAlign(t){return"left"}percent(t){return se(t)}em(t){return ie(t)}px(t,e=-te){return ne(t,e,this.metrics.em)}length2em(t,e=1,s=null){null===s&&(s=this.bbox.scale);const i=this.font.params.rule_thickness,n=Wt(t,{medium:1,thin:2/3,thick:5/3},0);return n?n*i:ee(t,e,s,this.jax.pxPerEm)}unicodeChars(t,e=this.variant){let s=ge(t);const i=this.font.getVariant(e);if(i&&i.chars){const t=i.chars;s=s.map((e=>{var s,i;return(null===(i=null===(s=t[e])||void 0===s?void 0:s[3])||void 0===i?void 0:i.smp)||e}))}return s}remapChars(t){return t}mmlText(t){return this.node.factory.create("text").setText(t)}mmlNode(t,e={},s=[]){return this.node.factory.create(t,e,s)}createMo(t){const e=this.node.factory,s=e.create("text").setText(t),i=e.create("mo",{stretchy:!0},[s]);i.inheritAttributesFrom(this.node),i.parent=this.node.parent;const n=this.wrap(i);return n.parent=this,n}getVariantChar(t,e){const s=this.font.getChar(t,e)||[0,0,0,{unknown:!0}];return 3===s.length&&(s[3]={}),s}html(t,e={},s=[]){return this.jax.html(t,e,s)}}we.kind="unknown",we.styles={},we.removeStyles=["fontSize","fontFamily","fontWeight","fontStyle","fontVariant","font"],we.skipAttributes={fontfamily:!0,fontsize:!0,fontweight:!0,fontstyle:!0,color:!0,background:!0,class:!0,href:!0,style:!0,xmlns:!0},we.BOLDVARIANTS={bold:{normal:"bold",italic:"bold-italic",fraktur:"bold-fraktur",script:"bold-script","sans-serif":"bold-sans-serif","sans-serif-italic":"sans-serif-bold-italic"},normal:{bold:"normal","bold-italic":"italic","bold-fraktur":"fraktur","bold-script":"script","bold-sans-serif":"sans-serif","sans-serif-bold-italic":"sans-serif-italic"}},we.ITALICVARIANTS={italic:{normal:"italic",bold:"bold-italic","sans-serif":"sans-serif-italic","bold-sans-serif":"sans-serif-bold-italic"},normal:{italic:"normal","bold-italic":"bold","sans-serif-italic":"sans-serif","sans-serif-bold-italic":"bold-sans-serif"}};const Ce={"70.7%":"s","70%":"s","50%":"ss","60%":"Tn","85%":"sm","120%":"lg","144%":"Lg","173%":"LG","207%":"hg","249%":"HG"};class Me extends we{toCHTML(t){this.toEmbellishedCHTML(t)||this.addChildren(this.standardChtmlNodes(t))}toEmbellishedCHTML(t){if(t.length<=1||!this.node.isEmbellished)return!1;const e=this.ad