add
This commit is contained in:
star7th
Vendored
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/**
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* marked v15.0.7 - a markdown parser
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* Copyright (c) 2011-2025, Christopher Jeffrey. (MIT Licensed)
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* https://github.com/markedjs/marked
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*/
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i=this.rules.other.listItemRegex(n);let l=!1;for(;e;){let n=!1,s="",o="";if(!(t=i.exec(e)))break;if(this.rules.block.hr.test(e))break;s=t[0],e=e.substring(s.length);let a=t[2].split("\n",1)[0].replace(this.rules.other.listReplaceTabs,(e=>" ".repeat(3*e.length))),c=e.split("\n",1)[0],h=!a.trim(),p=0;if(this.options.pedantic?(p=2,o=a.trimStart()):h?p=t[1].length+1:(p=t[2].search(this.rules.other.nonSpaceChar),p=p>4?1:p,o=a.slice(p),p+=t[1].length),h&&this.rules.other.blankLine.test(c)&&(s+=c+"\n",e=e.substring(c.length+1),n=!0),!n){const t=this.rules.other.nextBulletRegex(p),n=this.rules.other.hrRegex(p),r=this.rules.other.fencesBeginRegex(p),i=this.rules.other.headingBeginRegex(p),l=this.rules.other.htmlBeginRegex(p);for(;e;){const u=e.split("\n",1)[0];let g;if(c=u,this.options.pedantic?(c=c.replace(this.rules.other.listReplaceNesting," "),g=c):g=c.replace(this.rules.other.tabCharGlobal," "),r.test(c))break;if(i.test(c))break;if(l.test(c))break;if(t.test(c))break;if(n.test(c))break;if(g.search(this.rules.other.nonSpaceChar)>=p||!c.trim())o+="\n"+g.slice(p);else{if(h)break;if(a.replace(this.rules.other.tabCharGlobal," ").search(this.rules.other.nonSpaceChar)>=4)break;if(r.test(a))break;if(i.test(a))break;if(n.test(a))break;o+="\n"+c}h||c.trim()||(h=!0),s+=u+"\n",e=e.substring(u.length+1),a=g.slice(p)}}r.loose||(l?r.loose=!0:this.rules.other.doubleBlankLine.test(s)&&(l=!0));let u,g=null;this.options.gfm&&(g=this.rules.other.listIsTask.exec(o),g&&(u="[ ] "!==g[0],o=o.replace(this.rules.other.listReplaceTask,""))),r.items.push({type:"list_item",raw:s,task:!!g,checked:u,loose:!1,text:o,tokens:[]}),r.raw+=s}const o=r.items.at(-1);if(!o)return;o.raw=o.raw.trimEnd(),o.text=o.text.trimEnd(),r.raw=r.raw.trimEnd();for(let e=0;e<r.items.length;e++)if(this.lexer.state.top=!1,r.items[e].tokens=this.lexer.blockTokens(r.items[e].text,[]),!r.loose){const t=r.items[e].tokens.filter((e=>"space"===e.type)),n=t.length>0&&t.some((e=>this.rules.other.anyLine.test(e.raw)));r.loose=n}if(r.loose)for(let e=0;e<r.items.length;e++)r.items[e].loose=!0;return r}}html(e){const t=this.rules.block.html.exec(e);if(t){return{type:"html",block:!0,raw:t[0],pre:"pre"===t[1]||"script"===t[1]||"style"===t[1],text:t[0]}}}def(e){const t=this.rules.block.def.exec(e);if(t){const e=t[1].toLowerCase().replace(this.rules.other.multipleSpaceGlobal," "),n=t[2]?t[2].replace(this.rules.other.hrefBrackets,"$1").replace(this.rules.inline.anyPunctuation,"$1"):"",s=t[3]?t[3].substring(1,t[3].length-1).replace(this.rules.inline.anyPunctuation,"$1"):t[3];return{type:"def",tag:e,raw:t[0],href:n,title:s}}}table(e){const t=this.rules.block.table.exec(e);if(!t)return;if(!this.rules.other.tableDelimiter.test(t[2]))return;const n=ee(t[1]),s=t[2].replace(this.rules.other.tableAlignChars,"").split("|"),r=t[3]?.trim()?t[3].replace(this.rules.other.tableRowBlankLine,"").split("\n"):[],i={type:"table",raw:t[0],header:[],align:[],rows:[]};if(n.length===s.length){for(const e of s)this.rules.other.tableAlignRight.test(e)?i.align.push("right"):this.rules.other.tableAlignCenter.test(e)?i.align.push("center"):this.rules.other.tableAlignLeft.test(e)?i.align.push("left"):i.align.push(null);for(let e=0;e<n.length;e++)i.header.push({text:n[e],tokens:this.lexer.inline(n[e]),header:!0,align:i.align[e]});for(const e of r)i.rows.push(ee(e,i.header.length).map(((e,t)=>({text:e,tokens:this.lexer.inline(e),header:!1,align:i.align[t]}))));return i}}lheading(e){const t=this.rules.block.lheading.exec(e);if(t)return{type:"heading",raw:t[0],depth:"="===t[2].charAt(0)?1:2,text:t[1],tokens:this.lexer.inline(t[1])}}paragraph(e){const t=this.rules.block.paragraph.exec(e);if(t){const e="\n"===t[1].charAt(t[1].length-1)?t[1].slice(0,-1):t[1];return{type:"paragraph",raw:t[0],text:e,tokens:this.lexer.inline(e)}}}text(e){const t=this.rules.block.text.exec(e);if(t)return{type:"text",raw:t[0],text:t[0],tokens:this.lexer.inline(t[0])}}escape(e){const t=this.rules.inline.escape.exec(e);if(t)return{type:"escape",raw:t[0],text:t[1]}}tag(e){const t=this.rules.inline.tag.exec(e);if(t)return!this.lexer.state.inLink&&this.rules.other.startATag.test(t[0])?this.lexer.state.inLink=!0:this.lexer.state.inLink&&this.rules.other.endATag.test(t[0])&&(this.lexer.state.inLink=!1),!this.lexer.state.inRawBlock&&this.rules.other.startPreScriptTag.test(t[0])?this.lexer.state.inRawBlock=!0:this.lexer.state.inRawBlock&&this.rules.other.endPreScriptTag.test(t[0])&&(this.lexer.state.inRawBlock=!1),{type:"html",raw:t[0],inLink:this.lexer.state.inLink,inRawBlock:this.lexer.state.inRawBlock,block:!1,text:t[0]}}link(e){const t=this.rules.inline.link.exec(e);if(t){const e=t[2].trim();if(!this.options.pedantic&&this.rules.other.startAngleBracket.test(e)){if(!this.rules.other.endAngleBracket.test(e))return;const t=te(e.slice(0,-1),"\\");if((e.length-t.length)%2==0)return}else{const e=function(e,t){if(-1===e.indexOf(t[1]))return-1;let n=0;for(let s=0;s<e.length;s++)if("\\"===e[s])s++;else if(e[s]===t[0])n++;else if(e[s]===t[1]&&(n--,n<0))return s;return-1}(t[2],"()");if(e>-1){const n=(0===t[0].indexOf("!")?5:4)+t[1].length+e;t[2]=t[2].substring(0,e),t[0]=t[0].substring(0,n).trim(),t[3]=""}}let n=t[2],s="";if(this.options.pedantic){const e=this.rules.other.pedanticHrefTitle.exec(n);e&&(n=e[1],s=e[3])}else s=t[3]?t[3].slice(1,-1):"";return n=n.trim(),this.rules.other.startAngleBracket.test(n)&&(n=this.options.pedantic&&!this.rules.other.endAngleBracket.test(e)?n.slice(1):n.slice(1,-1)),ne(t,{href:n?n.replace(this.rules.inline.anyPunctuation,"$1"):n,title:s?s.replace(this.rules.inline.anyPunctuation,"$1"):s},t[0],this.lexer,this.rules)}}reflink(e,t){let n;if((n=this.rules.inline.reflink.exec(e))||(n=this.rules.inline.nolink.exec(e))){const e=t[(n[2]||n[1]).replace(this.rules.other.multipleSpaceGlobal," ").toLowerCase()];if(!e){const e=n[0].charAt(0);return{type:"text",raw:e,text:e}}return ne(n,e,n[0],this.lexer,this.rules)}}emStrong(e,t,n=""){let s=this.rules.inline.emStrongLDelim.exec(e);if(!s)return;if(s[3]&&n.match(this.rules.other.unicodeAlphaNumeric))return;if(!(s[1]||s[2]||"")||!n||this.rules.inline.punctuation.exec(n)){const n=[...s[0]].length-1;let r,i,l=n,o=0;const a="*"===s[0][0]?this.rules.inline.emStrongRDelimAst:this.rules.inline.emStrongRDelimUnd;for(a.lastIndex=0,t=t.slice(-1*e.length+n);null!=(s=a.exec(t));){if(r=s[1]||s[2]||s[3]||s[4]||s[5]||s[6],!r)continue;if(i=[...r].length,s[3]||s[4]){l+=i;continue}if((s[5]||s[6])&&n%3&&!((n+i)%3)){o+=i;continue}if(l-=i,l>0)continue;i=Math.min(i,i+l+o);const t=[...s[0]][0].length,a=e.slice(0,n+s.index+t+i);if(Math.min(n,i)%2){const e=a.slice(1,-1);return{type:"em",raw:a,text:e,tokens:this.lexer.inlineTokens(e)}}const c=a.slice(2,-2);return{type:"strong",raw:a,text:c,tokens:this.lexer.inlineTokens(c)}}}}codespan(e){const t=this.rules.inline.code.exec(e);if(t){let e=t[2].replace(this.rules.other.newLineCharGlobal," ");const n=this.rules.other.nonSpaceChar.test(e),s=this.rules.other.startingSpaceChar.test(e)&&this.rules.other.endingSpaceChar.test(e);return n&&s&&(e=e.substring(1,e.length-1)),{type:"codespan",raw:t[0],text:e}}}br(e){const t=this.rules.inline.br.exec(e);if(t)return{type:"br",raw:t[0]}}del(e){const t=this.rules.inline.del.exec(e);if(t)return{type:"del",raw:t[0],text:t[2],tokens:this.lexer.inlineTokens(t[2])}}autolink(e){const t=this.rules.inline.autolink.exec(e);if(t){let e,n;return"@"===t[2]?(e=t[1],n="mailto:"+e):(e=t[1],n=e),{type:"link",raw:t[0],text:e,href:n,tokens:[{type:"text",raw:e,text:e}]}}}url(e){let t;if(t=this.rules.inline.url.exec(e)){let e,n;if("@"===t[2])e=t[0],n="mailto:"+e;else{let s;do{s=t[0],t[0]=this.rules.inline._backpedal.exec(t[0])?.[0]??""}while(s!==t[0]);e=t[0],n="www."===t[1]?"http://"+t[0]:t[0]}return{type:"link",raw:t[0],text:e,href:n,tokens:[{type:"text",raw:e,text:e}]}}}inlineText(e){const t=this.rules.inline.text.exec(e);if(t){const e=this.lexer.state.inRawBlock;return{type:"text",raw:t[0],text:t[0],escaped:e}}}}class re{tokens;options;state;tokenizer;inlineQueue;constructor(t){this.tokens=[],this.tokens.links=Object.create(null),this.options=t||e.defaults,this.options.tokenizer=this.options.tokenizer||new se,this.tokenizer=this.options.tokenizer,this.tokenizer.options=this.options,this.tokenizer.lexer=this,this.inlineQueue=[],this.state={inLink:!1,inRawBlock:!1,top:!0};const n={other:i,block:U.normal,inline:J.normal};this.options.pedantic?(n.block=U.pedantic,n.inline=J.pedantic):this.options.gfm&&(n.block=U.gfm,this.options.breaks?n.inline=J.breaks:n.inline=J.gfm),this.tokenizer.rules=n}static get rules(){return{block:U,inline:J}}static lex(e,t){return new re(t).lex(e)}static lexInline(e,t){return new re(t).inlineTokens(e)}lex(e){e=e.replace(i.carriageReturn,"\n"),this.blockTokens(e,this.tokens);for(let e=0;e<this.inlineQueue.length;e++){const t=this.inlineQueue[e];this.inlineTokens(t.src,t.tokens)}return this.inlineQueue=[],this.tokens}blockTokens(e,t=[],n=!1){for(this.options.pedantic&&(e=e.replace(i.tabCharGlobal," ").replace(i.spaceLine,""));e;){let s;if(this.options.extensions?.block?.some((n=>!!(s=n.call({lexer:this},e,t))&&(e=e.substring(s.raw.length),t.push(s),!0))))continue;if(s=this.tokenizer.space(e)){e=e.substring(s.raw.length);const n=t.at(-1);1===s.raw.length&&void 0!==n?n.raw+="\n":t.push(s);continue}if(s=this.tokenizer.code(e)){e=e.substring(s.raw.length);const n=t.at(-1);"paragraph"===n?.type||"text"===n?.type?(n.raw+="\n"+s.raw,n.text+="\n"+s.text,this.inlineQueue.at(-1).src=n.text):t.push(s);continue}if(s=this.tokenizer.fences(e)){e=e.substring(s.raw.length),t.push(s);continue}if(s=this.tokenizer.heading(e)){e=e.substring(s.raw.length),t.push(s);continue}if(s=this.tokenizer.hr(e)){e=e.substring(s.raw.length),t.push(s);continue}if(s=this.tokenizer.blockquote(e)){e=e.substring(s.raw.length),t.push(s);continue}if(s=this.tokenizer.list(e)){e=e.substring(s.raw.length),t.push(s);continue}if(s=this.tokenizer.html(e)){e=e.substring(s.raw.length),t.push(s);continue}if(s=this.tokenizer.def(e)){e=e.substring(s.raw.length);const n=t.at(-1);"paragraph"===n?.type||"text"===n?.type?(n.raw+="\n"+s.raw,n.text+="\n"+s.raw,this.inlineQueue.at(-1).src=n.text):this.tokens.links[s.tag]||(this.tokens.links[s.tag]={href:s.href,title:s.title});continue}if(s=this.tokenizer.table(e)){e=e.substring(s.raw.length),t.push(s);continue}if(s=this.tokenizer.lheading(e)){e=e.substring(s.raw.length),t.push(s);continue}let r=e;if(this.options.extensions?.startBlock){let t=1/0;const n=e.slice(1);let s;this.options.extensions.startBlock.forEach((e=>{s=e.call({lexer:this},n),"number"==typeof s&&s>=0&&(t=Math.min(t,s))})),t<1/0&&t>=0&&(r=e.substring(0,t+1))}if(this.state.top&&(s=this.tokenizer.paragraph(r))){const i=t.at(-1);n&&"paragraph"===i?.type?(i.raw+="\n"+s.raw,i.text+="\n"+s.text,this.inlineQueue.pop(),this.inlineQueue.at(-1).src=i.text):t.push(s),n=r.length!==e.length,e=e.substring(s.raw.length)}else if(s=this.tokenizer.text(e)){e=e.substring(s.raw.length);const n=t.at(-1);"text"===n?.type?(n.raw+="\n"+s.raw,n.text+="\n"+s.text,this.inlineQueue.pop(),this.inlineQueue.at(-1).src=n.text):t.push(s)}else if(e){const t="Infinite loop on byte: "+e.charCodeAt(0);if(this.options.silent){console.error(t);break}throw new Error(t)}}return this.state.top=!0,t}inline(e,t=[]){return this.inlineQueue.push({src:e,tokens:t}),t}inlineTokens(e,t=[]){let n=e,s=null;if(this.tokens.links){const e=Object.keys(this.tokens.links);if(e.length>0)for(;null!=(s=this.tokenizer.rules.inline.reflinkSearch.exec(n));)e.includes(s[0].slice(s[0].lastIndexOf("[")+1,-1))&&(n=n.slice(0,s.index)+"["+"a".repeat(s[0].length-2)+"]"+n.slice(this.tokenizer.rules.inline.reflinkSearch.lastIndex))}for(;null!=(s=this.tokenizer.rules.inline.blockSkip.exec(n));)n=n.slice(0,s.index)+"["+"a".repeat(s[0].length-2)+"]"+n.slice(this.tokenizer.rules.inline.blockSkip.lastIndex);for(;null!=(s=this.tokenizer.rules.inline.anyPunctuation.exec(n));)n=n.slice(0,s.index)+"++"+n.slice(this.tokenizer.rules.inline.anyPunctuation.lastIndex);let r=!1,i="";for(;e;){let s;if(r||(i=""),r=!1,this.options.extensions?.inline?.some((n=>!!(s=n.call({lexer:this},e,t))&&(e=e.substring(s.raw.length),t.push(s),!0))))continue;if(s=this.tokenizer.escape(e)){e=e.substring(s.raw.length),t.push(s);continue}if(s=this.tokenizer.tag(e)){e=e.substring(s.raw.length),t.push(s);continue}if(s=this.tokenizer.link(e)){e=e.substring(s.raw.length),t.push(s);continue}if(s=this.tokenizer.reflink(e,this.tokens.links)){e=e.substring(s.raw.length);const n=t.at(-1);"text"===s.type&&"text"===n?.type?(n.raw+=s.raw,n.text+=s.text):t.push(s);continue}if(s=this.tokenizer.emStrong(e,n,i)){e=e.substring(s.raw.length),t.push(s);continue}if(s=this.tokenizer.codespan(e)){e=e.substring(s.raw.length),t.push(s);continue}if(s=this.tokenizer.br(e)){e=e.substring(s.raw.length),t.push(s);continue}if(s=this.tokenizer.del(e)){e=e.substring(s.raw.length),t.push(s);continue}if(s=this.tokenizer.autolink(e)){e=e.substring(s.raw.length),t.push(s);continue}if(!this.state.inLink&&(s=this.tokenizer.url(e))){e=e.substring(s.raw.length),t.push(s);continue}let l=e;if(this.options.extensions?.startInline){let t=1/0;const n=e.slice(1);let s;this.options.extensions.startInline.forEach((e=>{s=e.call({lexer:this},n),"number"==typeof s&&s>=0&&(t=Math.min(t,s))})),t<1/0&&t>=0&&(l=e.substring(0,t+1))}if(s=this.tokenizer.inlineText(l)){e=e.substring(s.raw.length),"_"!==s.raw.slice(-1)&&(i=s.raw.slice(-1)),r=!0;const n=t.at(-1);"text"===n?.type?(n.raw+=s.raw,n.text+=s.text):t.push(s)}else if(e){const t="Infinite loop on byte: "+e.charCodeAt(0);if(this.options.silent){console.error(t);break}throw new Error(t)}}return t}}class ie{options;parser;constructor(t){this.options=t||e.defaults}space(e){return""}code({text:e,lang:t,escaped:n}){const s=(t||"").match(i.notSpaceStart)?.[0],r=e.replace(i.endingNewline,"")+"\n";return s?'<pre><code class="language-'+W(s)+'">'+(n?r:W(r,!0))+"</code></pre>\n":"<pre><code>"+(n?r:W(r,!0))+"</code></pre>\n"}blockquote({tokens:e}){return`<blockquote>\n${this.parser.parse(e)}</blockquote>\n`}html({text:e}){return e}heading({tokens:e,depth:t}){return`<h${t}>${this.parser.parseInline(e)}</h${t}>\n`}hr(e){return"<hr>\n"}list(e){const t=e.ordered,n=e.start;let s="";for(let t=0;t<e.items.length;t++){const n=e.items[t];s+=this.listitem(n)}const r=t?"ol":"ul";return"<"+r+(t&&1!==n?' start="'+n+'"':"")+">\n"+s+"</"+r+">\n"}listitem(e){let t="";if(e.task){const n=this.checkbox({checked:!!e.checked});e.loose?"paragraph"===e.tokens[0]?.type?(e.tokens[0].text=n+" "+e.tokens[0].text,e.tokens[0].tokens&&e.tokens[0].tokens.length>0&&"text"===e.tokens[0].tokens[0].type&&(e.tokens[0].tokens[0].text=n+" "+W(e.tokens[0].tokens[0].text),e.tokens[0].tokens[0].escaped=!0)):e.tokens.unshift({type:"text",raw:n+" ",text:n+" ",escaped:!0}):t+=n+" "}return t+=this.parser.parse(e.tokens,!!e.loose),`<li>${t}</li>\n`}checkbox({checked:e}){return"<input "+(e?'checked="" ':"")+'disabled="" type="checkbox">'}paragraph({tokens:e}){return`<p>${this.parser.parseInline(e)}</p>\n`}table(e){let t="",n="";for(let t=0;t<e.header.length;t++)n+=this.tablecell(e.header[t]);t+=this.tablerow({text:n});let s="";for(let t=0;t<e.rows.length;t++){const r=e.rows[t];n="";for(let e=0;e<r.length;e++)n+=this.tablecell(r[e]);s+=this.tablerow({text:n})}return s&&(s=`<tbody>${s}</tbody>`),"<table>\n<thead>\n"+t+"</thead>\n"+s+"</table>\n"}tablerow({text:e}){return`<tr>\n${e}</tr>\n`}tablecell(e){const t=this.parser.parseInline(e.tokens),n=e.header?"th":"td";return(e.align?`<${n} align="${e.align}">`:`<${n}>`)+t+`</${n}>\n`}strong({tokens:e}){return`<strong>${this.parser.parseInline(e)}</strong>`}em({tokens:e}){return`<em>${this.parser.parseInline(e)}</em>`}codespan({text:e}){return`<code>${W(e,!0)}</code>`}br(e){return"<br>"}del({tokens:e}){return`<del>${this.parser.parseInline(e)}</del>`}link({href:e,title:t,tokens:n}){const s=this.parser.parseInline(n),r=Y(e);if(null===r)return s;let i='<a href="'+(e=r)+'"';return t&&(i+=' title="'+W(t)+'"'),i+=">"+s+"</a>",i}image({href:e,title:t,text:n}){const s=Y(e);if(null===s)return W(n);let r=`<img src="${e=s}" alt="${n}"`;return t&&(r+=` title="${W(t)}"`),r+=">",r}text(e){return"tokens"in e&&e.tokens?this.parser.parseInline(e.tokens):"escaped"in e&&e.escaped?e.text:W(e.text)}}class le{strong({text:e}){return e}em({text:e}){return e}codespan({text:e}){return e}del({text:e}){return e}html({text:e}){return e}text({text:e}){return e}link({text:e}){return""+e}image({text:e}){return""+e}br(){return""}}class oe{options;renderer;textRenderer;constructor(t){this.options=t||e.defaults,this.options.renderer=this.options.renderer||new ie,this.renderer=this.options.renderer,this.renderer.options=this.options,this.renderer.parser=this,this.textRenderer=new le}static parse(e,t){return new oe(t).parse(e)}static parseInline(e,t){return new oe(t).parseInline(e)}parse(e,t=!0){let n="";for(let s=0;s<e.length;s++){const r=e[s];if(this.options.extensions?.renderers?.[r.type]){const e=r,t=this.options.extensions.renderers[e.type].call({parser:this},e);if(!1!==t||!["space","hr","heading","code","table","blockquote","list","html","paragraph","text"].includes(e.type)){n+=t||"";continue}}const i=r;switch(i.type){case"space":n+=this.renderer.space(i);continue;case"hr":n+=this.renderer.hr(i);continue;case"heading":n+=this.renderer.heading(i);continue;case"code":n+=this.renderer.code(i);continue;case"table":n+=this.renderer.table(i);continue;case"blockquote":n+=this.renderer.blockquote(i);continue;case"list":n+=this.renderer.list(i);continue;case"html":n+=this.renderer.html(i);continue;case"paragraph":n+=this.renderer.paragraph(i);continue;case"text":{let r=i,l=this.renderer.text(r);for(;s+1<e.length&&"text"===e[s+1].type;)r=e[++s],l+="\n"+this.renderer.text(r);n+=t?this.renderer.paragraph({type:"paragraph",raw:l,text:l,tokens:[{type:"text",raw:l,text:l,escaped:!0}]}):l;continue}default:{const e='Token with "'+i.type+'" type was not found.';if(this.options.silent)return console.error(e),"";throw new Error(e)}}}return n}parseInline(e,t=this.renderer){let n="";for(let s=0;s<e.length;s++){const r=e[s];if(this.options.extensions?.renderers?.[r.type]){const e=this.options.extensions.renderers[r.type].call({parser:this},r);if(!1!==e||!["escape","html","link","image","strong","em","codespan","br","del","text"].includes(r.type)){n+=e||"";continue}}const i=r;switch(i.type){case"escape":case"text":n+=t.text(i);break;case"html":n+=t.html(i);break;case"link":n+=t.link(i);break;case"image":n+=t.image(i);break;case"strong":n+=t.strong(i);break;case"em":n+=t.em(i);break;case"codespan":n+=t.codespan(i);break;case"br":n+=t.br(i);break;case"del":n+=t.del(i);break;default:{const e='Token with "'+i.type+'" type was not found.';if(this.options.silent)return console.error(e),"";throw new Error(e)}}}return n}}class ae{options;block;constructor(t){this.options=t||e.defaults}static passThroughHooks=new Set(["preprocess","postprocess","processAllTokens"]);preprocess(e){return e}postprocess(e){return e}processAllTokens(e){return e}provideLexer(){return this.block?re.lex:re.lexInline}provideParser(){return this.block?oe.parse:oe.parseInline}}class ce{defaults={async:!1,breaks:!1,extensions:null,gfm:!0,hooks:null,pedantic:!1,renderer:null,silent:!1,tokenizer:null,walkTokens:null};options=this.setOptions;parse=this.parseMarkdown(!0);parseInline=this.parseMarkdown(!1);Parser=oe;Renderer=ie;TextRenderer=le;Lexer=re;Tokenizer=se;Hooks=ae;constructor(...e){this.use(...e)}walkTokens(e,t){let n=[];for(const s of e)switch(n=n.concat(t.call(this,s)),s.type){case"table":{const e=s;for(const s of e.header)n=n.concat(this.walkTokens(s.tokens,t));for(const s of e.rows)for(const e of s)n=n.concat(this.walkTokens(e.tokens,t));break}case"list":{const e=s;n=n.concat(this.walkTokens(e.items,t));break}default:{const e=s;this.defaults.extensions?.childTokens?.[e.type]?this.defaults.extensions.childTokens[e.type].forEach((s=>{const r=e[s].flat(1/0);n=n.concat(this.walkTokens(r,t))})):e.tokens&&(n=n.concat(this.walkTokens(e.tokens,t)))}}return n}use(...e){const t=this.defaults.extensions||{renderers:{},childTokens:{}};return e.forEach((e=>{const n={...e};if(n.async=this.defaults.async||n.async||!1,e.extensions&&(e.extensions.forEach((e=>{if(!e.name)throw new Error("extension name required");if("renderer"in e){const n=t.renderers[e.name];t.renderers[e.name]=n?function(...t){let s=e.renderer.apply(this,t);return!1===s&&(s=n.apply(this,t)),s}:e.renderer}if("tokenizer"in e){if(!e.level||"block"!==e.level&&"inline"!==e.level)throw new Error("extension level must be 'block' or 'inline'");const n=t[e.level];n?n.unshift(e.tokenizer):t[e.level]=[e.tokenizer],e.start&&("block"===e.level?t.startBlock?t.startBlock.push(e.start):t.startBlock=[e.start]:"inline"===e.level&&(t.startInline?t.startInline.push(e.start):t.startInline=[e.start]))}"childTokens"in e&&e.childTokens&&(t.childTokens[e.name]=e.childTokens)})),n.extensions=t),e.renderer){const t=this.defaults.renderer||new ie(this.defaults);for(const n in e.renderer){if(!(n in t))throw new Error(`renderer '${n}' does not exist`);if(["options","parser"].includes(n))continue;const s=n,r=e.renderer[s],i=t[s];t[s]=(...e)=>{let n=r.apply(t,e);return!1===n&&(n=i.apply(t,e)),n||""}}n.renderer=t}if(e.tokenizer){const t=this.defaults.tokenizer||new se(this.defaults);for(const n in e.tokenizer){if(!(n in t))throw new Error(`tokenizer '${n}' does not exist`);if(["options","rules","lexer"].includes(n))continue;const s=n,r=e.tokenizer[s],i=t[s];t[s]=(...e)=>{let n=r.apply(t,e);return!1===n&&(n=i.apply(t,e)),n}}n.tokenizer=t}if(e.hooks){const t=this.defaults.hooks||new ae;for(const n in e.hooks){if(!(n in t))throw new Error(`hook '${n}' does not exist`);if(["options","block"].includes(n))continue;const s=n,r=e.hooks[s],i=t[s];ae.passThroughHooks.has(n)?t[s]=e=>{if(this.defaults.async)return Promise.resolve(r.call(t,e)).then((e=>i.call(t,e)));const n=r.call(t,e);return i.call(t,n)}:t[s]=(...e)=>{let n=r.apply(t,e);return!1===n&&(n=i.apply(t,e)),n}}n.hooks=t}if(e.walkTokens){const t=this.defaults.walkTokens,s=e.walkTokens;n.walkTokens=function(e){let n=[];return n.push(s.call(this,e)),t&&(n=n.concat(t.call(this,e))),n}}this.defaults={...this.defaults,...n}})),this}setOptions(e){return this.defaults={...this.defaults,...e},this}lexer(e,t){return re.lex(e,t??this.defaults)}parser(e,t){return oe.parse(e,t??this.defaults)}parseMarkdown(e){return(t,n)=>{const s={...n},r={...this.defaults,...s},i=this.onError(!!r.silent,!!r.async);if(!0===this.defaults.async&&!1===s.async)return i(new Error("marked(): The async option was set to true by an extension. Remove async: false from the parse options object to return a Promise."));if(null==t)return i(new Error("marked(): input parameter is undefined or null"));if("string"!=typeof t)return i(new Error("marked(): input parameter is of type "+Object.prototype.toString.call(t)+", string expected"));r.hooks&&(r.hooks.options=r,r.hooks.block=e);const l=r.hooks?r.hooks.provideLexer():e?re.lex:re.lexInline,o=r.hooks?r.hooks.provideParser():e?oe.parse:oe.parseInline;if(r.async)return Promise.resolve(r.hooks?r.hooks.preprocess(t):t).then((e=>l(e,r))).then((e=>r.hooks?r.hooks.processAllTokens(e):e)).then((e=>r.walkTokens?Promise.all(this.walkTokens(e,r.walkTokens)).then((()=>e)):e)).then((e=>o(e,r))).then((e=>r.hooks?r.hooks.postprocess(e):e)).catch(i);try{r.hooks&&(t=r.hooks.preprocess(t));let e=l(t,r);r.hooks&&(e=r.hooks.processAllTokens(e)),r.walkTokens&&this.walkTokens(e,r.walkTokens);let n=o(e,r);return r.hooks&&(n=r.hooks.postprocess(n)),n}catch(e){return i(e)}}}onError(e,t){return n=>{if(n.message+="\nPlease report this to https://github.com/markedjs/marked.",e){const e="<p>An error occurred:</p><pre>"+W(n.message+"",!0)+"</pre>";return t?Promise.resolve(e):e}if(t)return Promise.reject(n);throw n}}}const he=new ce;function pe(e,t){return he.parse(e,t)}pe.options=pe.setOptions=function(e){return he.setOptions(e),pe.defaults=he.defaults,n(pe.defaults),pe},pe.getDefaults=t,pe.defaults=e.defaults,pe.use=function(...e){return he.use(...e),pe.defaults=he.defaults,n(pe.defaults),pe},pe.walkTokens=function(e,t){return he.walkTokens(e,t)},pe.parseInline=he.parseInline,pe.Parser=oe,pe.parser=oe.parse,pe.Renderer=ie,pe.TextRenderer=le,pe.Lexer=re,pe.lexer=re.lex,pe.Tokenizer=se,pe.Hooks=ae,pe.parse=pe;const ue=pe.options,ge=pe.setOptions,ke=pe.use,de=pe.walkTokens,fe=pe.parseInline,xe=pe,be=oe.parse,we=re.lex;e.Hooks=ae,e.Lexer=re,e.Marked=ce,e.Parser=oe,e.Renderer=ie,e.TextRenderer=le,e.Tokenizer=se,e.getDefaults=t,e.lexer=we,e.marked=pe,e.options=ue,e.parse=xe,e.parseInline=fe,e.parser=be,e.setOptions=ge,e.use=ke,e.walkTokens=de}));
|
||||
@@ -0,0 +1,974 @@
|
||||
var TurndownService = (function () {
|
||||
'use strict';
|
||||
|
||||
function extend (destination) {
|
||||
for (var i = 1; i < arguments.length; i++) {
|
||||
var source = arguments[i];
|
||||
for (var key in source) {
|
||||
if (source.hasOwnProperty(key)) destination[key] = source[key];
|
||||
}
|
||||
}
|
||||
return destination
|
||||
}
|
||||
|
||||
function repeat (character, count) {
|
||||
return Array(count + 1).join(character)
|
||||
}
|
||||
|
||||
function trimLeadingNewlines (string) {
|
||||
return string.replace(/^\n*/, '')
|
||||
}
|
||||
|
||||
function trimTrailingNewlines (string) {
|
||||
// avoid match-at-end regexp bottleneck, see #370
|
||||
var indexEnd = string.length;
|
||||
while (indexEnd > 0 && string[indexEnd - 1] === '\n') indexEnd--;
|
||||
return string.substring(0, indexEnd)
|
||||
}
|
||||
|
||||
var blockElements = [
|
||||
'ADDRESS', 'ARTICLE', 'ASIDE', 'AUDIO', 'BLOCKQUOTE', 'BODY', 'CANVAS',
|
||||
'CENTER', 'DD', 'DIR', 'DIV', 'DL', 'DT', 'FIELDSET', 'FIGCAPTION', 'FIGURE',
|
||||
'FOOTER', 'FORM', 'FRAMESET', 'H1', 'H2', 'H3', 'H4', 'H5', 'H6', 'HEADER',
|
||||
'HGROUP', 'HR', 'HTML', 'ISINDEX', 'LI', 'MAIN', 'MENU', 'NAV', 'NOFRAMES',
|
||||
'NOSCRIPT', 'OL', 'OUTPUT', 'P', 'PRE', 'SECTION', 'TABLE', 'TBODY', 'TD',
|
||||
'TFOOT', 'TH', 'THEAD', 'TR', 'UL'
|
||||
];
|
||||
|
||||
function isBlock (node) {
|
||||
return is(node, blockElements)
|
||||
}
|
||||
|
||||
var voidElements = [
|
||||
'AREA', 'BASE', 'BR', 'COL', 'COMMAND', 'EMBED', 'HR', 'IMG', 'INPUT',
|
||||
'KEYGEN', 'LINK', 'META', 'PARAM', 'SOURCE', 'TRACK', 'WBR'
|
||||
];
|
||||
|
||||
function isVoid (node) {
|
||||
return is(node, voidElements)
|
||||
}
|
||||
|
||||
function hasVoid (node) {
|
||||
return has(node, voidElements)
|
||||
}
|
||||
|
||||
var meaningfulWhenBlankElements = [
|
||||
'A', 'TABLE', 'THEAD', 'TBODY', 'TFOOT', 'TH', 'TD', 'IFRAME', 'SCRIPT',
|
||||
'AUDIO', 'VIDEO'
|
||||
];
|
||||
|
||||
function isMeaningfulWhenBlank (node) {
|
||||
return is(node, meaningfulWhenBlankElements)
|
||||
}
|
||||
|
||||
function hasMeaningfulWhenBlank (node) {
|
||||
return has(node, meaningfulWhenBlankElements)
|
||||
}
|
||||
|
||||
function is (node, tagNames) {
|
||||
return tagNames.indexOf(node.nodeName) >= 0
|
||||
}
|
||||
|
||||
function has (node, tagNames) {
|
||||
return (
|
||||
node.getElementsByTagName &&
|
||||
tagNames.some(function (tagName) {
|
||||
return node.getElementsByTagName(tagName).length
|
||||
})
|
||||
)
|
||||
}
|
||||
|
||||
var rules = {};
|
||||
|
||||
rules.paragraph = {
|
||||
filter: 'p',
|
||||
|
||||
replacement: function (content) {
|
||||
return '\n\n' + content + '\n\n'
|
||||
}
|
||||
};
|
||||
|
||||
rules.lineBreak = {
|
||||
filter: 'br',
|
||||
|
||||
replacement: function (content, node, options) {
|
||||
return options.br + '\n'
|
||||
}
|
||||
};
|
||||
|
||||
rules.heading = {
|
||||
filter: ['h1', 'h2', 'h3', 'h4', 'h5', 'h6'],
|
||||
|
||||
replacement: function (content, node, options) {
|
||||
var hLevel = Number(node.nodeName.charAt(1));
|
||||
|
||||
if (options.headingStyle === 'setext' && hLevel < 3) {
|
||||
var underline = repeat((hLevel === 1 ? '=' : '-'), content.length);
|
||||
return (
|
||||
'\n\n' + content + '\n' + underline + '\n\n'
|
||||
)
|
||||
} else {
|
||||
return '\n\n' + repeat('#', hLevel) + ' ' + content + '\n\n'
|
||||
}
|
||||
}
|
||||
};
|
||||
|
||||
rules.blockquote = {
|
||||
filter: 'blockquote',
|
||||
|
||||
replacement: function (content) {
|
||||
content = content.replace(/^\n+|\n+$/g, '');
|
||||
content = content.replace(/^/gm, '> ');
|
||||
return '\n\n' + content + '\n\n'
|
||||
}
|
||||
};
|
||||
|
||||
rules.list = {
|
||||
filter: ['ul', 'ol'],
|
||||
|
||||
replacement: function (content, node) {
|
||||
var parent = node.parentNode;
|
||||
if (parent.nodeName === 'LI' && parent.lastElementChild === node) {
|
||||
return '\n' + content
|
||||
} else {
|
||||
return '\n\n' + content + '\n\n'
|
||||
}
|
||||
}
|
||||
};
|
||||
|
||||
rules.listItem = {
|
||||
filter: 'li',
|
||||
|
||||
replacement: function (content, node, options) {
|
||||
content = content
|
||||
.replace(/^\n+/, '') // remove leading newlines
|
||||
.replace(/\n+$/, '\n') // replace trailing newlines with just a single one
|
||||
.replace(/\n/gm, '\n '); // indent
|
||||
var prefix = options.bulletListMarker + ' ';
|
||||
var parent = node.parentNode;
|
||||
if (parent.nodeName === 'OL') {
|
||||
var start = parent.getAttribute('start');
|
||||
var index = Array.prototype.indexOf.call(parent.children, node);
|
||||
prefix = (start ? Number(start) + index : index + 1) + '. ';
|
||||
}
|
||||
return (
|
||||
prefix + content + (node.nextSibling && !/\n$/.test(content) ? '\n' : '')
|
||||
)
|
||||
}
|
||||
};
|
||||
|
||||
rules.indentedCodeBlock = {
|
||||
filter: function (node, options) {
|
||||
return (
|
||||
options.codeBlockStyle === 'indented' &&
|
||||
node.nodeName === 'PRE' &&
|
||||
node.firstChild &&
|
||||
node.firstChild.nodeName === 'CODE'
|
||||
)
|
||||
},
|
||||
|
||||
replacement: function (content, node, options) {
|
||||
return (
|
||||
'\n\n ' +
|
||||
node.firstChild.textContent.replace(/\n/g, '\n ') +
|
||||
'\n\n'
|
||||
)
|
||||
}
|
||||
};
|
||||
|
||||
rules.fencedCodeBlock = {
|
||||
filter: function (node, options) {
|
||||
return (
|
||||
options.codeBlockStyle === 'fenced' &&
|
||||
node.nodeName === 'PRE' &&
|
||||
node.firstChild &&
|
||||
node.firstChild.nodeName === 'CODE'
|
||||
)
|
||||
},
|
||||
|
||||
replacement: function (content, node, options) {
|
||||
var className = node.firstChild.getAttribute('class') || '';
|
||||
var language = (className.match(/language-(\S+)/) || [null, ''])[1];
|
||||
var code = node.firstChild.textContent;
|
||||
|
||||
var fenceChar = options.fence.charAt(0);
|
||||
var fenceSize = 3;
|
||||
var fenceInCodeRegex = new RegExp('^' + fenceChar + '{3,}', 'gm');
|
||||
|
||||
var match;
|
||||
while ((match = fenceInCodeRegex.exec(code))) {
|
||||
if (match[0].length >= fenceSize) {
|
||||
fenceSize = match[0].length + 1;
|
||||
}
|
||||
}
|
||||
|
||||
var fence = repeat(fenceChar, fenceSize);
|
||||
|
||||
return (
|
||||
'\n\n' + fence + language + '\n' +
|
||||
code.replace(/\n$/, '') +
|
||||
'\n' + fence + '\n\n'
|
||||
)
|
||||
}
|
||||
};
|
||||
|
||||
rules.horizontalRule = {
|
||||
filter: 'hr',
|
||||
|
||||
replacement: function (content, node, options) {
|
||||
return '\n\n' + options.hr + '\n\n'
|
||||
}
|
||||
};
|
||||
|
||||
rules.inlineLink = {
|
||||
filter: function (node, options) {
|
||||
return (
|
||||
options.linkStyle === 'inlined' &&
|
||||
node.nodeName === 'A' &&
|
||||
node.getAttribute('href')
|
||||
)
|
||||
},
|
||||
|
||||
replacement: function (content, node) {
|
||||
var href = node.getAttribute('href');
|
||||
if (href) href = href.replace(/([()])/g, '\\$1');
|
||||
var title = cleanAttribute(node.getAttribute('title'));
|
||||
if (title) title = ' "' + title.replace(/"/g, '\\"') + '"';
|
||||
return '[' + content + '](' + href + title + ')'
|
||||
}
|
||||
};
|
||||
|
||||
rules.referenceLink = {
|
||||
filter: function (node, options) {
|
||||
return (
|
||||
options.linkStyle === 'referenced' &&
|
||||
node.nodeName === 'A' &&
|
||||
node.getAttribute('href')
|
||||
)
|
||||
},
|
||||
|
||||
replacement: function (content, node, options) {
|
||||
var href = node.getAttribute('href');
|
||||
var title = cleanAttribute(node.getAttribute('title'));
|
||||
if (title) title = ' "' + title + '"';
|
||||
var replacement;
|
||||
var reference;
|
||||
|
||||
switch (options.linkReferenceStyle) {
|
||||
case 'collapsed':
|
||||
replacement = '[' + content + '][]';
|
||||
reference = '[' + content + ']: ' + href + title;
|
||||
break
|
||||
case 'shortcut':
|
||||
replacement = '[' + content + ']';
|
||||
reference = '[' + content + ']: ' + href + title;
|
||||
break
|
||||
default:
|
||||
var id = this.references.length + 1;
|
||||
replacement = '[' + content + '][' + id + ']';
|
||||
reference = '[' + id + ']: ' + href + title;
|
||||
}
|
||||
|
||||
this.references.push(reference);
|
||||
return replacement
|
||||
},
|
||||
|
||||
references: [],
|
||||
|
||||
append: function (options) {
|
||||
var references = '';
|
||||
if (this.references.length) {
|
||||
references = '\n\n' + this.references.join('\n') + '\n\n';
|
||||
this.references = []; // Reset references
|
||||
}
|
||||
return references
|
||||
}
|
||||
};
|
||||
|
||||
rules.emphasis = {
|
||||
filter: ['em', 'i'],
|
||||
|
||||
replacement: function (content, node, options) {
|
||||
if (!content.trim()) return ''
|
||||
return options.emDelimiter + content + options.emDelimiter
|
||||
}
|
||||
};
|
||||
|
||||
rules.strong = {
|
||||
filter: ['strong', 'b'],
|
||||
|
||||
replacement: function (content, node, options) {
|
||||
if (!content.trim()) return ''
|
||||
return options.strongDelimiter + content + options.strongDelimiter
|
||||
}
|
||||
};
|
||||
|
||||
rules.code = {
|
||||
filter: function (node) {
|
||||
var hasSiblings = node.previousSibling || node.nextSibling;
|
||||
var isCodeBlock = node.parentNode.nodeName === 'PRE' && !hasSiblings;
|
||||
|
||||
return node.nodeName === 'CODE' && !isCodeBlock
|
||||
},
|
||||
|
||||
replacement: function (content) {
|
||||
if (!content) return ''
|
||||
content = content.replace(/\r?\n|\r/g, ' ');
|
||||
|
||||
var extraSpace = /^`|^ .*?[^ ].* $|`$/.test(content) ? ' ' : '';
|
||||
var delimiter = '`';
|
||||
var matches = content.match(/`+/gm) || [];
|
||||
while (matches.indexOf(delimiter) !== -1) delimiter = delimiter + '`';
|
||||
|
||||
return delimiter + extraSpace + content + extraSpace + delimiter
|
||||
}
|
||||
};
|
||||
|
||||
rules.image = {
|
||||
filter: 'img',
|
||||
|
||||
replacement: function (content, node) {
|
||||
var alt = cleanAttribute(node.getAttribute('alt'));
|
||||
var src = node.getAttribute('src') || '';
|
||||
var title = cleanAttribute(node.getAttribute('title'));
|
||||
var titlePart = title ? ' "' + title + '"' : '';
|
||||
return src ? '![' + alt + ']' + '(' + src + titlePart + ')' : ''
|
||||
}
|
||||
};
|
||||
|
||||
function cleanAttribute (attribute) {
|
||||
return attribute ? attribute.replace(/(\n+\s*)+/g, '\n') : ''
|
||||
}
|
||||
|
||||
/**
|
||||
* Manages a collection of rules used to convert HTML to Markdown
|
||||
*/
|
||||
|
||||
function Rules (options) {
|
||||
this.options = options;
|
||||
this._keep = [];
|
||||
this._remove = [];
|
||||
|
||||
this.blankRule = {
|
||||
replacement: options.blankReplacement
|
||||
};
|
||||
|
||||
this.keepReplacement = options.keepReplacement;
|
||||
|
||||
this.defaultRule = {
|
||||
replacement: options.defaultReplacement
|
||||
};
|
||||
|
||||
this.array = [];
|
||||
for (var key in options.rules) this.array.push(options.rules[key]);
|
||||
}
|
||||
|
||||
Rules.prototype = {
|
||||
add: function (key, rule) {
|
||||
this.array.unshift(rule);
|
||||
},
|
||||
|
||||
keep: function (filter) {
|
||||
this._keep.unshift({
|
||||
filter: filter,
|
||||
replacement: this.keepReplacement
|
||||
});
|
||||
},
|
||||
|
||||
remove: function (filter) {
|
||||
this._remove.unshift({
|
||||
filter: filter,
|
||||
replacement: function () {
|
||||
return ''
|
||||
}
|
||||
});
|
||||
},
|
||||
|
||||
forNode: function (node) {
|
||||
if (node.isBlank) return this.blankRule
|
||||
var rule;
|
||||
|
||||
if ((rule = findRule(this.array, node, this.options))) return rule
|
||||
if ((rule = findRule(this._keep, node, this.options))) return rule
|
||||
if ((rule = findRule(this._remove, node, this.options))) return rule
|
||||
|
||||
return this.defaultRule
|
||||
},
|
||||
|
||||
forEach: function (fn) {
|
||||
for (var i = 0; i < this.array.length; i++) fn(this.array[i], i);
|
||||
}
|
||||
};
|
||||
|
||||
function findRule (rules, node, options) {
|
||||
for (var i = 0; i < rules.length; i++) {
|
||||
var rule = rules[i];
|
||||
if (filterValue(rule, node, options)) return rule
|
||||
}
|
||||
return void 0
|
||||
}
|
||||
|
||||
function filterValue (rule, node, options) {
|
||||
var filter = rule.filter;
|
||||
if (typeof filter === 'string') {
|
||||
if (filter === node.nodeName.toLowerCase()) return true
|
||||
} else if (Array.isArray(filter)) {
|
||||
if (filter.indexOf(node.nodeName.toLowerCase()) > -1) return true
|
||||
} else if (typeof filter === 'function') {
|
||||
if (filter.call(rule, node, options)) return true
|
||||
} else {
|
||||
throw new TypeError('`filter` needs to be a string, array, or function')
|
||||
}
|
||||
}
|
||||
|
||||
/**
|
||||
* The collapseWhitespace function is adapted from collapse-whitespace
|
||||
* by Luc Thevenard.
|
||||
*
|
||||
* The MIT License (MIT)
|
||||
*
|
||||
* Copyright (c) 2014 Luc Thevenard <[email protected]>
|
||||
*
|
||||
* Permission is hereby granted, free of charge, to any person obtaining a copy
|
||||
* of this software and associated documentation files (the "Software"), to deal
|
||||
* in the Software without restriction, including without limitation the rights
|
||||
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
|
||||
* copies of the Software, and to permit persons to whom the Software is
|
||||
* furnished to do so, subject to the following conditions:
|
||||
*
|
||||
* The above copyright notice and this permission notice shall be included in
|
||||
* all copies or substantial portions of the Software.
|
||||
*
|
||||
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
|
||||
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
|
||||
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
|
||||
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
|
||||
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
|
||||
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
|
||||
* THE SOFTWARE.
|
||||
*/
|
||||
|
||||
/**
|
||||
* collapseWhitespace(options) removes extraneous whitespace from an the given element.
|
||||
*
|
||||
* @param {Object} options
|
||||
*/
|
||||
function collapseWhitespace (options) {
|
||||
var element = options.element;
|
||||
var isBlock = options.isBlock;
|
||||
var isVoid = options.isVoid;
|
||||
var isPre = options.isPre || function (node) {
|
||||
return node.nodeName === 'PRE'
|
||||
};
|
||||
|
||||
if (!element.firstChild || isPre(element)) return
|
||||
|
||||
var prevText = null;
|
||||
var keepLeadingWs = false;
|
||||
|
||||
var prev = null;
|
||||
var node = next(prev, element, isPre);
|
||||
|
||||
while (node !== element) {
|
||||
if (node.nodeType === 3 || node.nodeType === 4) { // Node.TEXT_NODE or Node.CDATA_SECTION_NODE
|
||||
var text = node.data.replace(/[ \r\n\t]+/g, ' ');
|
||||
|
||||
if ((!prevText || / $/.test(prevText.data)) &&
|
||||
!keepLeadingWs && text[0] === ' ') {
|
||||
text = text.substr(1);
|
||||
}
|
||||
|
||||
// `text` might be empty at this point.
|
||||
if (!text) {
|
||||
node = remove(node);
|
||||
continue
|
||||
}
|
||||
|
||||
node.data = text;
|
||||
|
||||
prevText = node;
|
||||
} else if (node.nodeType === 1) { // Node.ELEMENT_NODE
|
||||
if (isBlock(node) || node.nodeName === 'BR') {
|
||||
if (prevText) {
|
||||
prevText.data = prevText.data.replace(/ $/, '');
|
||||
}
|
||||
|
||||
prevText = null;
|
||||
keepLeadingWs = false;
|
||||
} else if (isVoid(node) || isPre(node)) {
|
||||
// Avoid trimming space around non-block, non-BR void elements and inline PRE.
|
||||
prevText = null;
|
||||
keepLeadingWs = true;
|
||||
} else if (prevText) {
|
||||
// Drop protection if set previously.
|
||||
keepLeadingWs = false;
|
||||
}
|
||||
} else {
|
||||
node = remove(node);
|
||||
continue
|
||||
}
|
||||
|
||||
var nextNode = next(prev, node, isPre);
|
||||
prev = node;
|
||||
node = nextNode;
|
||||
}
|
||||
|
||||
if (prevText) {
|
||||
prevText.data = prevText.data.replace(/ $/, '');
|
||||
if (!prevText.data) {
|
||||
remove(prevText);
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
/**
|
||||
* remove(node) removes the given node from the DOM and returns the
|
||||
* next node in the sequence.
|
||||
*
|
||||
* @param {Node} node
|
||||
* @return {Node} node
|
||||
*/
|
||||
function remove (node) {
|
||||
var next = node.nextSibling || node.parentNode;
|
||||
|
||||
node.parentNode.removeChild(node);
|
||||
|
||||
return next
|
||||
}
|
||||
|
||||
/**
|
||||
* next(prev, current, isPre) returns the next node in the sequence, given the
|
||||
* current and previous nodes.
|
||||
*
|
||||
* @param {Node} prev
|
||||
* @param {Node} current
|
||||
* @param {Function} isPre
|
||||
* @return {Node}
|
||||
*/
|
||||
function next (prev, current, isPre) {
|
||||
if ((prev && prev.parentNode === current) || isPre(current)) {
|
||||
return current.nextSibling || current.parentNode
|
||||
}
|
||||
|
||||
return current.firstChild || current.nextSibling || current.parentNode
|
||||
}
|
||||
|
||||
/*
|
||||
* Set up window for Node.js
|
||||
*/
|
||||
|
||||
var root = (typeof window !== 'undefined' ? window : {});
|
||||
|
||||
/*
|
||||
* Parsing HTML strings
|
||||
*/
|
||||
|
||||
function canParseHTMLNatively () {
|
||||
var Parser = root.DOMParser;
|
||||
var canParse = false;
|
||||
|
||||
// Adapted from https://gist.github.com/1129031
|
||||
// Firefox/Opera/IE throw errors on unsupported types
|
||||
try {
|
||||
// WebKit returns null on unsupported types
|
||||
if (new Parser().parseFromString('', 'text/html')) {
|
||||
canParse = true;
|
||||
}
|
||||
} catch (e) {}
|
||||
|
||||
return canParse
|
||||
}
|
||||
|
||||
function createHTMLParser () {
|
||||
var Parser = function () {};
|
||||
|
||||
{
|
||||
if (shouldUseActiveX()) {
|
||||
Parser.prototype.parseFromString = function (string) {
|
||||
var doc = new window.ActiveXObject('htmlfile');
|
||||
doc.designMode = 'on'; // disable on-page scripts
|
||||
doc.open();
|
||||
doc.write(string);
|
||||
doc.close();
|
||||
return doc
|
||||
};
|
||||
} else {
|
||||
Parser.prototype.parseFromString = function (string) {
|
||||
var doc = document.implementation.createHTMLDocument('');
|
||||
doc.open();
|
||||
doc.write(string);
|
||||
doc.close();
|
||||
return doc
|
||||
};
|
||||
}
|
||||
}
|
||||
return Parser
|
||||
}
|
||||
|
||||
function shouldUseActiveX () {
|
||||
var useActiveX = false;
|
||||
try {
|
||||
document.implementation.createHTMLDocument('').open();
|
||||
} catch (e) {
|
||||
if (root.ActiveXObject) useActiveX = true;
|
||||
}
|
||||
return useActiveX
|
||||
}
|
||||
|
||||
var HTMLParser = canParseHTMLNatively() ? root.DOMParser : createHTMLParser();
|
||||
|
||||
function RootNode (input, options) {
|
||||
var root;
|
||||
if (typeof input === 'string') {
|
||||
var doc = htmlParser().parseFromString(
|
||||
// DOM parsers arrange elements in the <head> and <body>.
|
||||
// Wrapping in a custom element ensures elements are reliably arranged in
|
||||
// a single element.
|
||||
'<x-turndown id="turndown-root">' + input + '</x-turndown>',
|
||||
'text/html'
|
||||
);
|
||||
root = doc.getElementById('turndown-root');
|
||||
} else {
|
||||
root = input.cloneNode(true);
|
||||
}
|
||||
collapseWhitespace({
|
||||
element: root,
|
||||
isBlock: isBlock,
|
||||
isVoid: isVoid,
|
||||
isPre: options.preformattedCode ? isPreOrCode : null
|
||||
});
|
||||
|
||||
return root
|
||||
}
|
||||
|
||||
var _htmlParser;
|
||||
function htmlParser () {
|
||||
_htmlParser = _htmlParser || new HTMLParser();
|
||||
return _htmlParser
|
||||
}
|
||||
|
||||
function isPreOrCode (node) {
|
||||
return node.nodeName === 'PRE' || node.nodeName === 'CODE'
|
||||
}
|
||||
|
||||
function Node (node, options) {
|
||||
node.isBlock = isBlock(node);
|
||||
node.isCode = node.nodeName === 'CODE' || node.parentNode.isCode;
|
||||
node.isBlank = isBlank(node);
|
||||
node.flankingWhitespace = flankingWhitespace(node, options);
|
||||
return node
|
||||
}
|
||||
|
||||
function isBlank (node) {
|
||||
return (
|
||||
!isVoid(node) &&
|
||||
!isMeaningfulWhenBlank(node) &&
|
||||
/^\s*$/i.test(node.textContent) &&
|
||||
!hasVoid(node) &&
|
||||
!hasMeaningfulWhenBlank(node)
|
||||
)
|
||||
}
|
||||
|
||||
function flankingWhitespace (node, options) {
|
||||
if (node.isBlock || (options.preformattedCode && node.isCode)) {
|
||||
return { leading: '', trailing: '' }
|
||||
}
|
||||
|
||||
var edges = edgeWhitespace(node.textContent);
|
||||
|
||||
// abandon leading ASCII WS if left-flanked by ASCII WS
|
||||
if (edges.leadingAscii && isFlankedByWhitespace('left', node, options)) {
|
||||
edges.leading = edges.leadingNonAscii;
|
||||
}
|
||||
|
||||
// abandon trailing ASCII WS if right-flanked by ASCII WS
|
||||
if (edges.trailingAscii && isFlankedByWhitespace('right', node, options)) {
|
||||
edges.trailing = edges.trailingNonAscii;
|
||||
}
|
||||
|
||||
return { leading: edges.leading, trailing: edges.trailing }
|
||||
}
|
||||
|
||||
function edgeWhitespace (string) {
|
||||
var m = string.match(/^(([ \t\r\n]*)(\s*))(?:(?=\S)[\s\S]*\S)?((\s*?)([ \t\r\n]*))$/);
|
||||
return {
|
||||
leading: m[1], // whole string for whitespace-only strings
|
||||
leadingAscii: m[2],
|
||||
leadingNonAscii: m[3],
|
||||
trailing: m[4], // empty for whitespace-only strings
|
||||
trailingNonAscii: m[5],
|
||||
trailingAscii: m[6]
|
||||
}
|
||||
}
|
||||
|
||||
function isFlankedByWhitespace (side, node, options) {
|
||||
var sibling;
|
||||
var regExp;
|
||||
var isFlanked;
|
||||
|
||||
if (side === 'left') {
|
||||
sibling = node.previousSibling;
|
||||
regExp = / $/;
|
||||
} else {
|
||||
sibling = node.nextSibling;
|
||||
regExp = /^ /;
|
||||
}
|
||||
|
||||
if (sibling) {
|
||||
if (sibling.nodeType === 3) {
|
||||
isFlanked = regExp.test(sibling.nodeValue);
|
||||
} else if (options.preformattedCode && sibling.nodeName === 'CODE') {
|
||||
isFlanked = false;
|
||||
} else if (sibling.nodeType === 1 && !isBlock(sibling)) {
|
||||
isFlanked = regExp.test(sibling.textContent);
|
||||
}
|
||||
}
|
||||
return isFlanked
|
||||
}
|
||||
|
||||
var reduce = Array.prototype.reduce;
|
||||
var escapes = [
|
||||
[/\\/g, '\\\\'],
|
||||
[/\*/g, '\\*'],
|
||||
[/^-/g, '\\-'],
|
||||
[/^\+ /g, '\\+ '],
|
||||
[/^(=+)/g, '\\$1'],
|
||||
[/^(#{1,6}) /g, '\\$1 '],
|
||||
[/`/g, '\\`'],
|
||||
[/^~~~/g, '\\~~~'],
|
||||
[/\[/g, '\\['],
|
||||
[/\]/g, '\\]'],
|
||||
[/^>/g, '\\>'],
|
||||
[/_/g, '\\_'],
|
||||
[/^(\d+)\. /g, '$1\\. ']
|
||||
];
|
||||
|
||||
function TurndownService (options) {
|
||||
if (!(this instanceof TurndownService)) return new TurndownService(options)
|
||||
|
||||
var defaults = {
|
||||
rules: rules,
|
||||
headingStyle: 'setext',
|
||||
hr: '* * *',
|
||||
bulletListMarker: '*',
|
||||
codeBlockStyle: 'indented',
|
||||
fence: '```',
|
||||
emDelimiter: '_',
|
||||
strongDelimiter: '**',
|
||||
linkStyle: 'inlined',
|
||||
linkReferenceStyle: 'full',
|
||||
br: ' ',
|
||||
preformattedCode: false,
|
||||
blankReplacement: function (content, node) {
|
||||
return node.isBlock ? '\n\n' : ''
|
||||
},
|
||||
keepReplacement: function (content, node) {
|
||||
return node.isBlock ? '\n\n' + node.outerHTML + '\n\n' : node.outerHTML
|
||||
},
|
||||
defaultReplacement: function (content, node) {
|
||||
return node.isBlock ? '\n\n' + content + '\n\n' : content
|
||||
}
|
||||
};
|
||||
this.options = extend({}, defaults, options);
|
||||
this.rules = new Rules(this.options);
|
||||
}
|
||||
|
||||
TurndownService.prototype = {
|
||||
/**
|
||||
* The entry point for converting a string or DOM node to Markdown
|
||||
* @public
|
||||
* @param {String|HTMLElement} input The string or DOM node to convert
|
||||
* @returns A Markdown representation of the input
|
||||
* @type String
|
||||
*/
|
||||
|
||||
turndown: function (input) {
|
||||
if (!canConvert(input)) {
|
||||
throw new TypeError(
|
||||
input + ' is not a string, or an element/document/fragment node.'
|
||||
)
|
||||
}
|
||||
|
||||
if (input === '') return ''
|
||||
|
||||
var output = process.call(this, new RootNode(input, this.options));
|
||||
return postProcess.call(this, output)
|
||||
},
|
||||
|
||||
/**
|
||||
* Add one or more plugins
|
||||
* @public
|
||||
* @param {Function|Array} plugin The plugin or array of plugins to add
|
||||
* @returns The Turndown instance for chaining
|
||||
* @type Object
|
||||
*/
|
||||
|
||||
use: function (plugin) {
|
||||
if (Array.isArray(plugin)) {
|
||||
for (var i = 0; i < plugin.length; i++) this.use(plugin[i]);
|
||||
} else if (typeof plugin === 'function') {
|
||||
plugin(this);
|
||||
} else {
|
||||
throw new TypeError('plugin must be a Function or an Array of Functions')
|
||||
}
|
||||
return this
|
||||
},
|
||||
|
||||
/**
|
||||
* Adds a rule
|
||||
* @public
|
||||
* @param {String} key The unique key of the rule
|
||||
* @param {Object} rule The rule
|
||||
* @returns The Turndown instance for chaining
|
||||
* @type Object
|
||||
*/
|
||||
|
||||
addRule: function (key, rule) {
|
||||
this.rules.add(key, rule);
|
||||
return this
|
||||
},
|
||||
|
||||
/**
|
||||
* Keep a node (as HTML) that matches the filter
|
||||
* @public
|
||||
* @param {String|Array|Function} filter The unique key of the rule
|
||||
* @returns The Turndown instance for chaining
|
||||
* @type Object
|
||||
*/
|
||||
|
||||
keep: function (filter) {
|
||||
this.rules.keep(filter);
|
||||
return this
|
||||
},
|
||||
|
||||
/**
|
||||
* Remove a node that matches the filter
|
||||
* @public
|
||||
* @param {String|Array|Function} filter The unique key of the rule
|
||||
* @returns The Turndown instance for chaining
|
||||
* @type Object
|
||||
*/
|
||||
|
||||
remove: function (filter) {
|
||||
this.rules.remove(filter);
|
||||
return this
|
||||
},
|
||||
|
||||
/**
|
||||
* Escapes Markdown syntax
|
||||
* @public
|
||||
* @param {String} string The string to escape
|
||||
* @returns A string with Markdown syntax escaped
|
||||
* @type String
|
||||
*/
|
||||
|
||||
escape: function (string) {
|
||||
return escapes.reduce(function (accumulator, escape) {
|
||||
return accumulator.replace(escape[0], escape[1])
|
||||
}, string)
|
||||
}
|
||||
};
|
||||
|
||||
/**
|
||||
* Reduces a DOM node down to its Markdown string equivalent
|
||||
* @private
|
||||
* @param {HTMLElement} parentNode The node to convert
|
||||
* @returns A Markdown representation of the node
|
||||
* @type String
|
||||
*/
|
||||
|
||||
function process (parentNode) {
|
||||
var self = this;
|
||||
return reduce.call(parentNode.childNodes, function (output, node) {
|
||||
node = new Node(node, self.options);
|
||||
|
||||
var replacement = '';
|
||||
if (node.nodeType === 3) {
|
||||
replacement = node.isCode ? node.nodeValue : self.escape(node.nodeValue);
|
||||
} else if (node.nodeType === 1) {
|
||||
replacement = replacementForNode.call(self, node);
|
||||
}
|
||||
|
||||
return join(output, replacement)
|
||||
}, '')
|
||||
}
|
||||
|
||||
/**
|
||||
* Appends strings as each rule requires and trims the output
|
||||
* @private
|
||||
* @param {String} output The conversion output
|
||||
* @returns A trimmed version of the ouput
|
||||
* @type String
|
||||
*/
|
||||
|
||||
function postProcess (output) {
|
||||
var self = this;
|
||||
this.rules.forEach(function (rule) {
|
||||
if (typeof rule.append === 'function') {
|
||||
output = join(output, rule.append(self.options));
|
||||
}
|
||||
});
|
||||
|
||||
return output.replace(/^[\t\r\n]+/, '').replace(/[\t\r\n\s]+$/, '')
|
||||
}
|
||||
|
||||
/**
|
||||
* Converts an element node to its Markdown equivalent
|
||||
* @private
|
||||
* @param {HTMLElement} node The node to convert
|
||||
* @returns A Markdown representation of the node
|
||||
* @type String
|
||||
*/
|
||||
|
||||
function replacementForNode (node) {
|
||||
var rule = this.rules.forNode(node);
|
||||
var content = process.call(this, node);
|
||||
var whitespace = node.flankingWhitespace;
|
||||
if (whitespace.leading || whitespace.trailing) content = content.trim();
|
||||
return (
|
||||
whitespace.leading +
|
||||
rule.replacement(content, node, this.options) +
|
||||
whitespace.trailing
|
||||
)
|
||||
}
|
||||
|
||||
/**
|
||||
* Joins replacement to the current output with appropriate number of new lines
|
||||
* @private
|
||||
* @param {String} output The current conversion output
|
||||
* @param {String} replacement The string to append to the output
|
||||
* @returns Joined output
|
||||
* @type String
|
||||
*/
|
||||
|
||||
function join (output, replacement) {
|
||||
var s1 = trimTrailingNewlines(output);
|
||||
var s2 = trimLeadingNewlines(replacement);
|
||||
var nls = Math.max(output.length - s1.length, replacement.length - s2.length);
|
||||
var separator = '\n\n'.substring(0, nls);
|
||||
|
||||
return s1 + separator + s2
|
||||
}
|
||||
|
||||
/**
|
||||
* Determines whether an input can be converted
|
||||
* @private
|
||||
* @param {String|HTMLElement} input Describe this parameter
|
||||
* @returns Describe what it returns
|
||||
* @type String|Object|Array|Boolean|Number
|
||||
*/
|
||||
|
||||
function canConvert (input) {
|
||||
return (
|
||||
input != null && (
|
||||
typeof input === 'string' ||
|
||||
(input.nodeType && (
|
||||
input.nodeType === 1 || input.nodeType === 9 || input.nodeType === 11
|
||||
))
|
||||
)
|
||||
)
|
||||
}
|
||||
|
||||
return TurndownService;
|
||||
|
||||
}());
|
||||
Reference in New Issue
Block a user