| 1 | 1 | var parseAndModify = (typeof exports === 'undefined' ? window.falafel : require("/Users/alexsouthern/Dropbox/blanket/lib/./falafel").falafel); |
| 2 | | |
| 3 | 1 | (typeof exports === 'undefined' ? window : exports).blanket = (function(){ |
| 4 | 1 | var linesToAddTracking = [ |
| 5 | | "ExpressionStatement", |
| 6 | | "LabeledStatement" , |
| 7 | | "BreakStatement" , |
| 8 | | "ContinueStatement" , |
| 9 | | "VariableDeclaration", |
| 10 | | "ReturnStatement" , |
| 11 | | "ThrowStatement" , |
| 12 | | "Line", |
| 13 | | "TryStatement" , |
| 14 | | "FunctionDeclaration" , |
| 15 | | "IfStatement" , |
| 16 | | "WhileStatement" , |
| 17 | | "DoWhileStatement" , |
| 18 | | "ForStatement" , |
| 19 | | "ForInStatement" , |
| 20 | | "SwitchStatement" , |
| 21 | | "WithStatement" |
| 22 | | ], |
| 23 | | linesToAddBrackets = [ |
| 24 | | "IfStatement" , |
| 25 | | |
| 26 | | "WhileStatement" , |
| 27 | | "DoWhileStatement" , |
| 28 | | "ForStatement" , |
| 29 | | "ForInStatement" , |
| 30 | | "WithStatement" |
| 31 | | ], |
| 32 | | covVar = (typeof window === 'undefined' ? "_$jscoverage" : "window._$blanket" ), |
| 33 | | reporter,instrumentFilter, |
| 34 | | blanket = { |
| 35 | | setFilter: function(filter){ |
| 36 | 2 | instrumentFilter = filter; |
| 37 | | }, |
| 38 | | getFilter: function(){ |
| 39 | 3 | return instrumentFilter; |
| 40 | | }, |
| 41 | | setReporter: function(reporterFcn){ |
| 42 | 0 | reporter = reporterFcn; |
| 43 | | }, |
| 44 | | instrument: function(config, next){ |
| 45 | 2 | var inFile = config.inputFile, |
| 46 | | inFileName = config.inputFileName; |
| 47 | 2 | var sourceArray = this._prepareSource(inFile); |
| 48 | 2 | blanket._trackingArraySetup=[]; |
| 49 | 2 | var instrumented = parseAndModify(inFile,{loc:true,comment:true}, this._addTracking,inFileName); |
| 50 | 2 | instrumented = this._trackingSetup(inFileName,sourceArray)+instrumented; |
| 51 | 2 | next(instrumented); |
| 52 | | }, |
| 53 | | _trackingArraySetup: [], |
| 54 | | _prepareSource: function(source){ |
| 55 | 3 | return source.replace(/'/g,"\'").replace(/(
|
|
)/gm,"
").split('
'); |
| 56 | | }, |
| 57 | | _trackingSetup: function(filename,sourceArray){ |
| 58 | | |
| 59 | 3 | var sourceString = sourceArray.join("',
'"); |
| 60 | 3 | var intro = "if (typeof "+covVar+" === 'undefined') "+covVar+" = {};
"; |
| 61 | 3 | intro += "if (typeof "+covVar+"['"+filename+"'] === 'undefined'){"; |
| 62 | | |
| 63 | 3 | intro += covVar+"['"+filename+"']=[];
"; |
| 64 | 3 | intro += covVar+"['"+filename+"'].source=['"+sourceString+"'];
"; |
| 65 | 1 | //initialize array values |
| 66 | 3 | blanket._trackingArraySetup.sort().forEach(function(item){ |
| 67 | 12 | intro += covVar+"['"+filename+"']["+item+"]=0;
"; |
| 68 | | }); |
| 69 | | |
| 70 | 3 | intro += "}"; |
| 71 | 3 | return intro; |
| 72 | | }, |
| 73 | | _blockifyIf: function(node){ |
| 74 | | |
| 75 | 87 | if (linesToAddBrackets.indexOf(node.type) > -1){ |
| 76 | 7 | var bracketsExistObject = node.consequent || node.body; |
| 77 | 7 | var bracketsExistAlt = node.alternate; |
| 78 | 7 | if( bracketsExistAlt && bracketsExistAlt.type != "BlockStatement") { |
| 79 | 2 | bracketsExistAlt.update("{
"+bracketsExistAlt.source()+"}
"); |
| 80 | | } |
| 81 | 7 | if( bracketsExistObject && bracketsExistObject.type != "BlockStatement") { |
| 82 | 6 | bracketsExistObject.update("{
"+bracketsExistObject.source()+"}
"); |
| 83 | | } |
| 84 | | } |
| 85 | | }, |
| 86 | | _addTracking: function (node,filename) { |
| 87 | 87 | blanket._blockifyIf(node); |
| 88 | 87 | if (linesToAddTracking.indexOf(node.type) > -1){ |
| 89 | 23 | if (node.type == "VariableDeclaration" && |
| 90 | | (node.parent.type == "ForStatement" || node.parent.type == "ForInStatement")){ |
| 91 | 0 | return; |
| 92 | | } |
| 93 | 23 | if (node.loc && node.loc.start){ |
| 94 | 23 | node.update(covVar+"['"+filename+"']["+node.loc.start.line+"]++;
"+node.source()); |
| 95 | 23 | blanket._trackingArraySetup.push(node.loc.start.line); |
| 96 | | }else{ |
| 97 | 1 | //I don't think we can handle a node with no location |
| 98 | 0 | throw new Error("The instrumenter encountered a node with no location: "+Object.keys(node)); |
| 99 | | } |
| 100 | | |
| 101 | | } |
| 102 | | }, |
| 103 | | report: function(coverage_data){ |
| 104 | 0 | coverage_data.files = (typeof window === 'undefined' ? _$jscoverage : window._$blanket ); |
| 105 | 0 | if (reporter){ |
| 106 | 0 | require([reporter.replace(".js","")],function(r){ |
| 107 | 0 | r(coverage_data); |
| 108 | | }); |
| 109 | | }else{ |
| 110 | 0 | Reporter(coverage_data); |
| 111 | | } |
| 112 | | } |
| 113 | | }; |
| 114 | 1 | return blanket; |
| 115 | | })(); |
| 116 | | |
| 117 | | |
| 118 | | |