From d7ba01c52c02470fbcea6bdc43e58ac0d28084de Mon Sep 17 00:00:00 2001
From: muqiuhan <muqiuhan@users.noreply.github.com>
Date: Fri, 24 Feb 2023 14:22:33 +0000
Subject: deploy: c7baa4dd029ccb68a9b82cabb1282e6dd291dba1

---
 js/highlightjs-line-numbers.js | 51 ++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 51 insertions(+)
 create mode 100644 js/highlightjs-line-numbers.js

(limited to 'js/highlightjs-line-numbers.js')

diff --git a/js/highlightjs-line-numbers.js b/js/highlightjs-line-numbers.js
new file mode 100644
index 00000000..194098d4
--- /dev/null
+++ b/js/highlightjs-line-numbers.js
@@ -0,0 +1,51 @@
+(function(w,d){'use strict';var TABLE_NAME='hljs-ln',LINE_NAME='hljs-ln-line',CODE_BLOCK_NAME='hljs-ln-code',NUMBERS_BLOCK_NAME='hljs-ln-numbers',NUMBER_LINE_NAME='hljs-ln-n',DATA_ATTR_NAME='data-line-number',BREAK_LINE_REGEXP=/\r\n|\r|\n/g;if(w.hljs){w.hljs.initLineNumbersOnLoad=initLineNumbersOnLoad;w.hljs.lineNumbersBlock=lineNumbersBlock;w.hljs.lineNumbersValue=lineNumbersValue;addStyles();}else{w.console.error('highlight.js not detected!');}
+function isHljsLnCodeDescendant(domElt){var curElt=domElt;while(curElt){if(curElt.className&&curElt.className.indexOf('hljs-ln-code')!==-1){return true;}
+curElt=curElt.parentNode;}
+return false;}
+function getHljsLnTable(hljsLnDomElt){var curElt=hljsLnDomElt;while(curElt.nodeName!=='TABLE'){curElt=curElt.parentNode;}
+return curElt;}
+function edgeGetSelectedCodeLines(selection){var selectionText=selection.toString();var tdAnchor=selection.anchorNode;while(tdAnchor.nodeName!=='TD'){tdAnchor=tdAnchor.parentNode;}
+var tdFocus=selection.focusNode;while(tdFocus.nodeName!=='TD'){tdFocus=tdFocus.parentNode;}
+var firstLineNumber=parseInt(tdAnchor.dataset.lineNumber);var lastLineNumber=parseInt(tdFocus.dataset.lineNumber);if(firstLineNumber!=lastLineNumber){var firstLineText=tdAnchor.textContent;var lastLineText=tdFocus.textContent;if(firstLineNumber>lastLineNumber){var tmp=firstLineNumber;firstLineNumber=lastLineNumber;lastLineNumber=tmp;tmp=firstLineText;firstLineText=lastLineText;lastLineText=tmp;}
+while(selectionText.indexOf(firstLineText)!==0){firstLineText=firstLineText.slice(1);}
+while(selectionText.lastIndexOf(lastLineText)===-1){lastLineText=lastLineText.slice(0,-1);}
+var selectedText=firstLineText;var hljsLnTable=getHljsLnTable(tdAnchor);for(var i=firstLineNumber+1;i<lastLineNumber;++i){var codeLineSel=format('.{0}[{1}="{2}"]',[CODE_BLOCK_NAME,DATA_ATTR_NAME,i]);var codeLineElt=hljsLnTable.querySelector(codeLineSel);selectedText+='\n'+codeLineElt.textContent;}
+selectedText+='\n'+lastLineText;return selectedText;}else{return selectionText;}}
+document.addEventListener('copy',function(e){var selection=window.getSelection();if(isHljsLnCodeDescendant(selection.anchorNode)){var selectionText;if(window.navigator.userAgent.indexOf('Edge')!==-1){selectionText=edgeGetSelectedCodeLines(selection);}else{selectionText=selection.toString();}
+e.clipboardData.setData('text/plain',selectionText);e.preventDefault();}});function addStyles(){var css=d.createElement('style');css.type='text/css';css.innerHTML=format('.{0}{border-collapse:collapse}'+
+'.{0} td{padding:0}'+
+'.{1}:before{content:attr({2})}',[TABLE_NAME,NUMBER_LINE_NAME,DATA_ATTR_NAME]);d.getElementsByTagName('head')[0].appendChild(css);}
+function initLineNumbersOnLoad(options){if(d.readyState==='interactive'||d.readyState==='complete'){documentReady(options);}else{w.addEventListener('DOMContentLoaded',function(){documentReady(options);});}}
+function documentReady(options){try{var blocks=d.querySelectorAll('code.hljs,code.nohighlight');for(var i in blocks){if(blocks.hasOwnProperty(i)){if(!isPluginDisabledForBlock(blocks[i])){lineNumbersBlock(blocks[i],options);}}}}catch(e){w.console.error('LineNumbers error: ',e);}}
+function isPluginDisabledForBlock(element){return element.classList.contains('nohljsln');}
+function lineNumbersBlock(element,options){if(typeof element!=='object')return;async(function(){element.innerHTML=lineNumbersInternal(element,options);});}
+function lineNumbersValue(value,options){if(typeof value!=='string')return;var element=document.createElement('code')
+element.innerHTML=value
+return lineNumbersInternal(element,options);}
+function lineNumbersInternal(element,options){var internalOptions=mapOptions(element,options);duplicateMultilineNodes(element);return addLineNumbersBlockFor(element.innerHTML,internalOptions);}
+function addLineNumbersBlockFor(inputHtml,options){var lines=getLines(inputHtml);if(lines[lines.length-1].trim()===''){lines.pop();}
+if(lines.length>1||options.singleLine){var html='';for(var i=0,l=lines.length;i<l;i++){html+=format('<tr>'+
+'<td class="{0} {1}" {3}="{5}">'+
+'<div class="{2}" {3}="{5}"></div>'+
+'</td>'+
+'<td class="{0} {4}" {3}="{5}">'+
+'{6}'+
+'</td>'+
+'</tr>',[LINE_NAME,NUMBERS_BLOCK_NAME,NUMBER_LINE_NAME,DATA_ATTR_NAME,CODE_BLOCK_NAME,i+options.startFrom,lines[i].length>0?lines[i]:' ']);}
+return format('<table class="{0}">{1}</table>',[TABLE_NAME,html]);}
+return inputHtml;}
+function mapOptions(element,options){options=options||{};return{singleLine:getSingleLineOption(options),startFrom:getStartFromOption(element,options)};}
+function getSingleLineOption(options){var defaultValue=false;if(!!options.singleLine){return options.singleLine;}
+return defaultValue;}
+function getStartFromOption(element,options){var defaultValue=1;var startFrom=defaultValue;if(isFinite(options.startFrom)){startFrom=options.startFrom;}
+var value=getAttribute(element,'data-ln-start-from');if(value!==null){startFrom=toNumber(value,defaultValue);}
+return startFrom;}
+function duplicateMultilineNodes(element){var nodes=element.childNodes;for(var node in nodes){if(nodes.hasOwnProperty(node)){var child=nodes[node];if(getLinesCount(child.textContent)>0){if(child.childNodes.length>0){duplicateMultilineNodes(child);}else{duplicateMultilineNode(child.parentNode);}}}}}
+function duplicateMultilineNode(element){var className=element.className;if(!/hljs-/.test(className))return;var lines=getLines(element.innerHTML);for(var i=0,result='';i<lines.length;i++){var lineText=lines[i].length>0?lines[i]:' ';result+=format('<span class="{0}">{1}</span>\n',[className,lineText]);}
+element.innerHTML=result.trim();}
+function getLines(text){if(text.length===0)return[];return text.split(BREAK_LINE_REGEXP);}
+function getLinesCount(text){return(text.trim().match(BREAK_LINE_REGEXP)||[]).length;}
+function async(func){w.setTimeout(func,0);}
+function format(format,args){return format.replace(/\{(\d+)\}/g,function(m,n){return args[n]!==undefined?args[n]:m;});}
+function getAttribute(element,attrName){return element.hasAttribute(attrName)?element.getAttribute(attrName):null;}
+function toNumber(str,fallback){if(!str)return fallback;var number=Number(str);return isFinite(number)?number:fallback;}}(window,document));
\ No newline at end of file
-- 
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