diff2html/diff2html.min.js

!function(window){var ClassVariable;return ClassVariable=function(){function Diff2Html(){}function escape(str){return str.slice(0).replace(/&/g,"&amp;").replace(/</g,"&lt;").replace(/>/g,"&gt;").replace(/\t/g,"    ")}function startsWith(str,start){return 0===str.indexOf(start)}function valueOrEmpty(value){return value?value:""}function diffHighlight(diffLine1,diffLine2){var highlightedLine=diffString(diffLine1.substr(1),diffLine2.substr(1));return{o:diffLine1.charAt(0)+removeIns(highlightedLine),n:diffLine2.charAt(0)+removeDel(highlightedLine)}}var LINE_TYPE={INSERTS:"d2h-ins",DELETES:"d2h-del",CONTEXT:"d2h-cntx",INFO:"d2h-info"};Diff2Html.prototype.getPrettyHtmlFromDiff=function(diffInput){var diffJson=generateDiffJson(diffInput);return generateJsonHtml(diffJson)},Diff2Html.prototype.getJsonFromDiff=function(diffInput){return generateDiffJson(diffInput)},Diff2Html.prototype.getPrettyHtmlFromJson=function(diffJson){return generateJsonHtml(diffJson)},Diff2Html.prototype.getPrettySideBySideHtmlFromDiff=function(diffInput){var diffJson=generateDiffJson(diffInput);return generateSideBySideJsonHtml(diffJson)},Diff2Html.prototype.getPrettySideBySideHtmlFromJson=function(diffJson){return generateSideBySideJsonHtml(diffJson)};var instance,generateDiffJson=function(diffInput){var files=[],currentFile=null,currentBlock=null,oldLine=null,newLine=null,saveBlock=function(){currentBlock&&(currentFile.blocks.push(currentBlock),currentBlock=null)},saveFile=function(){currentFile&&(files.push(currentFile),currentFile=null)},startFile=function(line){saveBlock(),saveFile(),currentFile={},currentFile.blocks=[],currentFile.deletedLines=0,currentFile.addedLines=0;var values=/^diff --git a\/(\S+) b\/(\S+).*$/.exec(line);currentFile.oldName=values[1],currentFile.newName=values[2]},startBlock=function(line){saveBlock();var values;(values=/^(@@ -(\d+),(\d+) \+(\d+),(\d+) @@).*/.exec(line))?(oldLine=values[2],newLine=values[4]):(oldLine=0,newLine=0),currentBlock={},currentBlock.lines=[],currentBlock.oldStartLine=oldLine,currentBlock.newStartLine=newLine,currentBlock.header=line},createLine=function(line){var currentLine={};currentLine.content=line,startsWith(line,"+")?(currentFile.addedLines++,currentLine.type=LINE_TYPE.INSERTS,currentLine.oldNumber=null,currentLine.newNumber=newLine++,currentBlock.lines.push(currentLine)):startsWith(line,"-")?(currentFile.deletedLines++,currentLine.type=LINE_TYPE.DELETES,currentLine.oldNumber=oldLine++,currentLine.newNumber=null,currentBlock.lines.push(currentLine)):(currentLine.type=LINE_TYPE.CONTEXT,currentLine.oldNumber=oldLine++,currentLine.newNumber=newLine++,currentBlock.lines.push(currentLine))},diffLines=diffInput.split("\n");return diffLines.forEach(function(line){!line||startsWith(line,"*")||startsWith(line,"new")||startsWith(line,"index")||startsWith(line,"---")||startsWith(line,"+++")||(startsWith(line,"diff")?startFile(line):currentFile&&startsWith(line,"@@")?startBlock(line):currentBlock&&createLine(line))}),saveBlock(),saveFile(),files},generateJsonHtml=function(diffFiles){return'<div class="d2h-wrapper">\n'+diffFiles.map(function(file){return'<div class="d2h-file-wrapper">\n     <div class="d2h-file-header">\n       <div class="d2h-file-stats">\n         <span class="d2h-lines-added">+'+file.addedLines+'</span>\n         <span class="d2h-lines-deleted">-'+file.deletedLines+'</span>\n       </div>\n       <div class="d2h-file-name">'+getDiffName(file.oldName,file.newName)+'</div>\n     </div>\n     <div class="d2h-file-diff">\n       <div class="d2h-code-wrapper">\n         <table class="d2h-diff-table">\n           <tbody class="d2h-diff-tbody">\n         '+generateFileHtml(file)+"           </tbody>\n         </table>\n       </div>\n     </div>\n   </div>\n"}).join("\n")+"</div>\n"},generateFileHtml=function(file){return file.blocks.map(function(block){for(var lines='<tr>\n  <td class="d2h-code-linenumber '+LINE_TYPE.INFO+'" colspan="2"></td>\n  <td class="'+LINE_TYPE.INFO+'">    <div class="d2h-code-line '+LINE_TYPE.INFO+'">'+escape(block.header)+"</div>  </td>\n</tr>\n",i=0;i<block.lines.length;i++){var prevLine=block.lines[i-1],line=block.lines[i],newLine=block.lines[i+1],nextNewLine=block.lines[i+2],isOppositeTypeTwoLineBlock=line.type==LINE_TYPE.DELETES&&newLine&&newLine.type==LINE_TYPE.INSERTS&&(!nextNewLine||nextNewLine&&nextNewLine.type!=LINE_TYPE.INSERTS)&&(!prevLine||prevLine&&prevLine.type!=LINE_TYPE.DELETES);if(isOppositeTypeTwoLineBlock){var escapedLine=escape(line.content),nextEscapedLine=escape(newLine.content),diff=diffHighlight(escapedLine,nextEscapedLine);lines+=generateLineHtml(line.type,line.oldNumber,line.newNumber,diff.o)+generateLineHtml(newLine.type,newLine.oldNumber,newLine.newNumber,diff.n),i++}else lines+=generateLineHtml(line.type,line.oldNumber,line.newNumber,line.content)}return lines}).join("\n")},generateLineHtml=function(type,oldNumber,newNumber,content){return'<tr>\n  <td class="d2h-code-linenumber '+type+'">    <div class="line-num1">'+valueOrEmpty(oldNumber)+'</div>    <div class="line-num2">'+valueOrEmpty(newNumber)+'</div>  </td>\n  <td class="'+type+'">    <div class="d2h-code-line '+type+'">'+content+"</div>  </td>\n</tr>\n"},generateSideBySideJsonHtml=function(diffFiles){return'<div class="d2h-wrapper">\n'+diffFiles.map(function(file){var diffs=generateSideBySideFileHtml(file);return'<div class="d2h-file-wrapper">\n     <div class="d2h-file-header">\n       <div class="d2h-file-stats">\n         <span class="d2h-lines-added">+'+file.addedLines+'</span>\n         <span class="d2h-lines-deleted">-'+file.deletedLines+'</span>\n       </div>\n       <div class="d2h-file-name">'+getDiffName(file.oldName,file.newName)+'</div>\n     </div>\n     <div class="d2h-files-diff">\n       <div class="d2h-file-side-diff">\n         <div class="d2h-code-wrapper">\n           <table class="d2h-diff-table">\n             <tbody class="d2h-diff-tbody">\n           '+diffs.left+'             </tbody>\n           </table>\n         </div>\n       </div>\n       <div class="d2h-file-side-diff">\n         <div class="d2h-code-wrapper">\n           <table class="d2h-diff-table">\n             <tbody class="d2h-diff-tbody">\n           '+diffs.right+"             </tbody>\n           </table>\n         </div>\n       </div>\n     </div>\n   </div>\n"}).join("\n")+"</div>\n"},generateSideBySideFileHtml=function(file){var fileHtml={};return fileHtml.left="",fileHtml.right="",file.blocks.forEach(function(block){fileHtml.left+='<tr>\n  <td class="d2h-code-side-linenumber '+LINE_TYPE.INFO+'"></td>\n  <td class="'+LINE_TYPE.INFO+'" colspan="3">    <div class="d2h-code-side-line '+LINE_TYPE.INFO+'">'+escape(block.header)+"</div>  </td>\n</tr>\n",fileHtml.right+='<tr>\n  <td class="d2h-code-side-linenumber '+LINE_TYPE.INFO+'"></td>\n  <td class="'+LINE_TYPE.INFO+'" colspan="3">    <div class="d2h-code-side-line '+LINE_TYPE.INFO+'"></div>  </td>\n</tr>\n';for(var i=0;i<block.lines.length;i++){var prevLine=block.lines[i-1],line=block.lines[i],newLine=block.lines[i+1],nextNewLine=block.lines[i+2],isOpositeTypeTwoLineBlock=line.type==LINE_TYPE.DELETES&&newLine&&newLine.type==LINE_TYPE.INSERTS&&(!nextNewLine||nextNewLine&&nextNewLine.type!=LINE_TYPE.INSERTS)&&(!prevLine||prevLine&&prevLine.type!=LINE_TYPE.DELETES);if(isOpositeTypeTwoLineBlock){var escapedLine=escape(line.content),nextEscapedLine=escape(newLine.content),diff=diffHighlight(escapedLine,nextEscapedLine);fileHtml.left+=generateSingleLineHtml(line.type,line.oldNumber,diff.o),fileHtml.right+=generateSingleLineHtml(newLine.type,newLine.newNumber,diff.n),i++}else line.type==LINE_TYPE.DELETES?(fileHtml.left+=generateSingleLineHtml(line.type,line.oldNumber,line.content),fileHtml.right+=generateSingleLineHtml(LINE_TYPE.CONTEXT,"","","")):line.type==LINE_TYPE.INSERTS?(fileHtml.left+=generateSingleLineHtml(LINE_TYPE.CONTEXT,"","",""),fileHtml.right+=generateSingleLineHtml(line.type,line.newNumber,line.content)):(fileHtml.left+=generateSingleLineHtml(line.type,line.oldNumber,line.content),fileHtml.right+=generateSingleLineHtml(line.type,line.newNumber,line.content))}}),fileHtml},generateSingleLineHtml=function(type,number,content){return'<tr>\n    <td class="d2h-code-side-linenumber '+type+'">'+number+'</td>\n    <td class="'+type+'">      <div class="d2h-code-side-line '+type+'">'+content+"</div>    </td>\n  </tr>\n"},getDiffName=function(oldFilename,newFilename){return oldFilename===newFilename?newFilename:oldFilename+" -> "+newFilename},removeIns=function(line){return line.replace(/(<ins>((.|\n)*?)<\/ins>)/g,"")},removeDel=function(line){return line.replace(/(<del>((.|\n)*?)<\/del>)/g,"")};return{getInstance:function(){return void 0===instance&&(instance=new Diff2Html,instance.constructor=null),instance}}}(),window.Diff2Html=ClassVariable.getInstance(),window.Diff2Html}(window);