marked-footnote/dist/index.cjs

A marked extension to support GFM footnotes

"use strict";function R(e,d){const l={type:"footnotes",raw:d,rawItems:[],items:[]};return{name:"footnote",level:"block",childTokens:["content"],tokenizer(c){e.hasFootnotes||(this.lexer.tokens.push(l),e.tokens=this.lexer.tokens,e.hasFootnotes=!0,l.rawItems=[],l.items=[]);const a=/^\[\^([^\]\n]+)\]:(?:[ \t]+|[\n]*?|$)([^\n]*?(?:\n|$)(?:\n*?[ ]{4,}[^\n]*)*)/.exec(c);if(a){const[i,f,s=""]=a;let n=s.split(`
`).reduce((r,p)=>r+`
`+p.replace(/^(?:[ ]{4}|[\t])/,""),"");const t=n.trimEnd().split(`
`).pop();n+=t&&/^[ \t]*?[>\-*][ ]|[`]{3,}$|^[ \t]*?[|].+[|]$/.test(t)?`

`:"";const o={type:"footnote",raw:i,label:f,refs:[],content:this.lexer.blockTokens(n)};return l.rawItems.push(o),o}},renderer(){return""}}}function T(e){return e.replaceAll("&","&amp;").replaceAll("<","&lt;").replaceAll(">","&gt;")}function A(e,d=!1,l=!1){let c=0;return{name:"footnoteRef",level:"inline",tokenizer(a){const i=/^\[\^([^\]\n]+)\]/.exec(a);if(i){const[f,s]=i,n=this.lexer.tokens[0],t=n.rawItems.filter(u=>u.label===s);if(!t.length)return;const o=t[0],r=n.items.filter(u=>u.label===s)[0],p={type:"footnoteRef",raw:f,index:o.refs.length,id:"",label:s};return r?(p.id=r.refs[0].id,r.refs.push(p)):(c++,p.id=String(c),o.refs.push(p),n.items.push(o)),p}},renderer({index:a,id:i,label:f}){c=0;const s=encodeURIComponent(f),n=l?T(f):i,t=a>0?`-${a+1}`:"";return`<sup><a id="${e}ref-${s}${t}" href="#${e+s}" data-${e}ref aria-describedby="${e}label">${d?`[${n}]`:n}</a></sup>`}}}function E(e,d,l,c,a,i){return{name:"footnotes",renderer({raw:f,items:s=[]}){if(s.length===0)return"";const n=s.reduce((p,{label:u,content:x,refs:y})=>{const b=encodeURIComponent(u),$=this.parser.parse(x).trimEnd(),w=$.endsWith("</p>");let h=`<li id="${e+b}">
`;return h+=w?$.replace(/<\/p>$/,""):$,y.forEach((C,F)=>{const g=i.replace("{0}",u);let m,k;if(F>0){const L=F+1;m=`↩<sup>${L}</sup>`,k=`-${L}`}else m="↩",k="";h+=` <a href="#${e}ref-${b}${k}" data-${e}backref aria-label="${g}">${m}</a>`}),h+=w?`</p>
`:`
`,h+=`</li>
`,p+h},"");let t="";l&&(t+=`<hr data-${d}footnotes>
`);let o="";c&&(o=` class="${c}"`);let r="";return a&&(r=` class="${a}"`),t+=`<section${o} data-${d}footnotes>
`,t+=`<h2 id="${e}label"${r}>${f.trimEnd()}</h2>
`,t+=`<ol>
${n}</ol>
`,t+=`</section>
`,t}}}function I(e={}){const{prefixId:d="footnote-",prefixData:l="",description:c="Footnotes",refMarkers:a=!1,footnoteDivider:i=!1,keepLabels:f=!1,sectionClass:s="footnotes",headingClass:n="sr-only",backRefLabel:t="Back to reference {0}"}=e,o={hasFootnotes:!1,tokens:[]};return{extensions:[R(o,c),A(d,a,f),E(d,l,i,s,n,t)],walkTokens(r){r.type==="footnotes"&&o.tokens.indexOf(r)===0&&r.items.length&&(o.tokens[0]={type:"space",raw:""},o.tokens.push(r)),o.hasFootnotes&&(o.hasFootnotes=!1)}}}module.exports=I;
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