User:Sdia4756/mathJax/extensions/wiki2jax.js

/** * From https://en.wikipedia.org/wiki/User:Nageh/mathJax/config/TeX-AMS-texvc_HTML.js */

MathJax.Extension.wiki2jax = { version: "1.0",

config: { element: null,   // The ID of the element to be processed //  (defaults to full document)

preview: "TeX"   // Set to "none" to prevent preview strings from being inserted //  or to an array that specifies an HTML snippet to use for //  the preview. },

PreProcess: function (element) { if (!this.configured) { this.config = MathJax.Hub.CombineConfig("wiki2jax", this.config); if (this.config.Augment) {MathJax.Hub.Insert(this,this.config.Augment)}

this.previewClass = MathJax.Hub.config.preRemoveClass; this.configured = true; }   var that = this; $('span.tex, img.tex', element || document).each(function(i, span) {		that.ConvertMath(span);	}); },

ConvertMath: function (node) { var parent = node.parentNode, mode = parent.tagName === "DD" && parent.childNodes.length === 1 ? "; mode=display" : "", tex; if (node.nodeName == 'IMG') { tex = node.alt; } else { tex = node.innerHTML.replace(/^\$/,"").replace(/\$$/,""); tex = tex.replace(/&lt;/g,"<").replace(/&gt;/g,">").replace(/&amp;/g,"&").replace(/ /g," "); }

tex = tex.replace(/\\iiint([^!]*)!\\!\\!\\!\\!.*\\subset\\!\\supset/g,"\\iiint$1mkern-2.5em\\subset\\!\\supset").replace(/\\iint([^!]*)!\\!\\!\\!\\!\\!\\!\\!\\!\\!\\!(.*)\\subset\\!\\supset/g,"\\iint$1mkern-1.65em$2\\subset\\!\\!\\supset").replace(/\\int\\!\\!\\!(\\!)+\\int\\!\\!\\!(\\!)+\\int([^!]*)!\\!\\!\\!\\!.*\\bigcirc(\\,)*/g,"\\iiint$3mkern-2.5em\\subset\\!\\supset").replace(/\\int\\!\\!\\!(\\!)+\\int([^!]*)!\\!\\!\\!\\!\\!\\!\\!\\!(.*)\\bigcirc(\\,)*/g,"\\iint$2mkern-1.65em$3\\subset\\!\\!\\supset"); if (mode === "") { tex = tex.replace(/ *\\scriptstyle(\W)/g,"\\textstyle$1").replace(/ *\\scriptscriptstyle(\W)/g,"\\scriptstyle$1"); if (parent.firstChild === node) tex = "\\displaystyle "+tex; }

var script = document.createElement("script"); script.type = "math/tex" + mode; MathJax.HTML.setScript(script, tex);

if (node.nextSibling) {parent.insertBefore(script,node.nextSibling)} else {parent.appendChild(script)} if (this.config.preview !== "none") {this.createPreview(node)} parent.removeChild(node); },

createPreview: function (node) { var preview; if (this.config.preview === "TeX") {preview = [this.filterPreview(node.innerHTML)]} else if (this.config.preview instanceof Array) {preview = this.config.preview} if (preview) { preview = MathJax.HTML.Element("span",{className: MathJax.Hub.config.preRemoveClass},preview); node.parentNode.insertBefore(preview,node); } },

filterPreview: function (tex) {return tex}

};

MathJax.Hub.Register.PreProcessor(["PreProcess",MathJax.Extension.wiki2jax]); MathJax.Ajax.loadComplete("https://en.wikipedia.org/w/index.php?action=raw&maxage=86400&ctype=text/javascript&title=User:Sdia4756/mathJax/extensions/wiki2jax.js");