markdown-it-toc-done-right/dist/markdownItTocDoneRight.umd.js

Table of contents (TOC) for markdown-it markdown parser with focus on semantic and security.

!function(e,n){"object"==typeof exports&&"undefined"!=typeof module?module.exports=n():"function"==typeof define&&define.amd?define(n):(e=e||self).markdownItTocDoneRight=n()}(this,function(){function e(e){return encodeURIComponent(String(e).trim().toLowerCase().replace(/\s+/g,"-"))}function n(e){return String(e).replace(/&/g,"&amp;").replace(/"/g,"&quot;").replace(/'/g,"&#39;").replace(/</g,"&lt;").replace(/>/g,"&gt;")}return function(t,r){var l;r=Object.assign({},{placeholder:"(\\$\\{toc\\}|\\[\\[?_?toc_?\\]?\\]|\\$\\<toc(\\{[^}]*\\})\\>)",slugify:e,uniqueSlugStartIndex:1,containerClass:"table-of-contents",containerId:void 0,listClass:void 0,itemClass:void 0,linkClass:void 0,level:1,listType:"ol",format:void 0,callback:void 0},r);var i=new RegExp("^"+r.placeholder+"$","i");t.renderer.rules.tocOpen=function(e,t){var l=Object.assign({},r);return e&&t>=0&&(l=Object.assign(l,e[t].inlineOptions)),"<nav"+(l.containerId?' id="'+n(l.containerId)+'"':"")+' class="'+n(l.containerClass)+'">'},t.renderer.rules.tocClose=function(){return"</nav>"},t.renderer.rules.tocBody=function(e,t){var i=Object.assign({},r);e&&t>=0&&(i=Object.assign(i,e[t].inlineOptions));var o,s={},c=Array.isArray(i.level)?(o=i.level,function(e){return o.includes(e)}):function(e){return function(n){return n>=e}}(i.level);return function e(t){var l=i.listClass?' class="'+n(i.listClass)+'"':"",o=i.itemClass?' class="'+n(i.itemClass)+'"':"",a=i.linkClass?' class="'+n(i.linkClass)+'"':"";if(0===t.c.length)return"";var u="";return(0===t.l||c(t.l))&&(u+="<"+(n(i.listType)+l)+">"),t.c.forEach(function(t){c(t.l)?u+="<li"+o+"><a"+a+' href="#'+function(e){for(var n=e,t=i.uniqueSlugStartIndex;Object.prototype.hasOwnProperty.call(s,n);)n=e+"-"+t++;return s[n]=!0,n}(r.slugify(t.n))+'">'+("function"==typeof i.format?i.format(t.n,n):n(t.n))+"</a>"+e(t)+"</li>":u+=e(t)}),(0===t.l||c(t.l))&&(u+="</"+n(i.listType)+">"),u}(l)},t.core.ruler.push("generateTocAst",function(e){l=function(e){for(var n={l:0,n:"",c:[]},t=[n],r=0,l=e.length;r<l;r++){var i=e[r];if("heading_open"===i.type){var o=e[r+1].children.filter(function(e){return"text"===e.type||"code_inline"===e.type}).reduce(function(e,n){return e+n.content},""),s={l:parseInt(i.tag.substr(1),10),n:o,c:[]};if(s.l>t[0].l)t[0].c.push(s),t.unshift(s);else if(s.l===t[0].l)t[1].c.push(s),t[0]=s;else{for(;s.l<=t[0].l;)t.shift();t[0].c.push(s),t.unshift(s)}}}return n}(e.tokens),"function"==typeof r.callback&&r.callback(t.renderer.rules.tocOpen()+t.renderer.rules.tocBody()+t.renderer.rules.tocClose(),l)}),t.block.ruler.before("heading","toc",function(e,n,t,r){var l,o=e.src.slice(e.bMarks[n]+e.tShift[n],e.eMarks[n]).split(" ")[0];if(!i.test(o))return!1;if(r)return!0;var s=i.exec(o),c={};if(null!==s&&3===s.length)try{c=JSON.parse(s[2])}catch(e){}return e.line=n+1,(l=e.push("tocOpen","nav",1)).markup="",l.map=[n,e.line],l.inlineOptions=c,(l=e.push("tocBody","",0)).markup="",l.map=[n,e.line],l.inlineOptions=c,l.children=[],(l=e.push("tocClose","nav",-1)).markup="",!0},{alt:["paragraph","reference","blockquote"]})}});
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