How to use annotateStatements method in istanbul

Best JavaScript code snippet using istanbul

annotator.js

Source:annotator.js

...34            structuredText[lineNumber].hits = count;35        }36    });37}38function annotateStatements(fileCoverage, structuredText) {39    var statementStats = fileCoverage.s,40        statementMeta = fileCoverage.statementMap;41    Object.keys(statementStats).forEach(function (stName) {42        var count = statementStats[stName],43            meta = statementMeta[stName],44            type = count > 0 ? 'yes' : 'no',45            startCol = meta.start.column,46            endCol = meta.end.column + 1,47            startLine = meta.start.line,48            endLine = meta.end.line,49            openSpan = lt + 'span class="' + (meta.skip ? 'cstat-skip' : 'cstat-no') + '"' + title('statement not covered') + gt,50            closeSpan = lt + '/span' + gt,51            text;52        if (type === 'no' && structuredText[startLine]) {53            if (endLine !== startLine) {54                endCol = structuredText[startLine].text.originalLength();55            }56            text = structuredText[startLine].text;57            text.wrap(startCol,58                openSpan,59                startCol < endCol ? endCol : text.originalLength(),60                closeSpan);61        }62    });63}64function annotateFunctions(fileCoverage, structuredText) {65    var fnStats = fileCoverage.f,66        fnMeta = fileCoverage.fnMap;67    if (!fnStats) {68        return;69    }70    Object.keys(fnStats).forEach(function (fName) {71        var count = fnStats[fName],72            meta = fnMeta[fName],73            type = count > 0 ? 'yes' : 'no',74            startCol = meta.decl.start.column,75            endCol = meta.decl.end.column + 1,76            startLine = meta.decl.start.line,77            endLine = meta.decl.end.line,78            openSpan = lt + 'span class="' + (meta.skip ? 'fstat-skip' : 'fstat-no') + '"' + title('function not covered') + gt,79            closeSpan = lt + '/span' + gt,80            text;81        if (type === 'no' && structuredText[startLine]) {82            if (endLine !== startLine) {83                endCol = structuredText[startLine].text.originalLength();84            }85            text = structuredText[startLine].text;86            text.wrap(startCol,87                openSpan,88                startCol < endCol ? endCol : text.originalLength(),89                closeSpan);90        }91    });92}93function annotateBranches(fileCoverage, structuredText) {94    var branchStats = fileCoverage.b,95        branchMeta = fileCoverage.branchMap;96    if (!branchStats) {97        return;98    }99    Object.keys(branchStats).forEach(function (branchName) {100        var branchArray = branchStats[branchName],101            sumCount = branchArray.reduce(function (p, n) {102                return p + n;103            }, 0),104            metaArray = branchMeta[branchName].locations,105            i,106            count,107            meta,108            type,109            startCol,110            endCol,111            startLine,112            endLine,113            openSpan,114            closeSpan,115            text;116        // only highlight if partial branches are missing or if there is a117        // single uncovered branch.118        if (sumCount > 0 || (sumCount === 0 && branchArray.length === 1)) {119            for (i = 0; i < branchArray.length && i < metaArray.length; i += 1) {120                count = branchArray[i];121                meta = metaArray[i];122                type = count > 0 ? 'yes' : 'no';123                startCol = meta.start.column;124                endCol = meta.end.column + 1;125                startLine = meta.start.line;126                endLine = meta.end.line;127                openSpan = lt + 'span class="branch-' + i + ' ' +128                    (meta.skip ? 'cbranch-skip' : 'cbranch-no') + '"'129                    + title('branch not covered') + gt;130                closeSpan = lt + '/span' + gt;131                if (count === 0 && structuredText[startLine]) { //skip branches taken132                    if (endLine !== startLine) {133                        endCol = structuredText[startLine].text.originalLength();134                    }135                    text = structuredText[startLine].text;136                    if (branchMeta[branchName].type === 'if') {137                    // 'if' is a special case138                    // since the else branch might not be visible, being non-existent139                        text.insertAt(startCol, lt + 'span class="' +140                            (meta.skip ? 'skip-if-branch' : 'missing-if-branch') + '"' +141                            title((i === 0 ? 'if' : 'else') + ' path not taken') + gt +142                            (i === 0 ? 'I' : 'E') + lt + '/span' + gt, true, false);143                    } else {144                        text.wrap(startCol,145                            openSpan,146                            startCol < endCol ? endCol : text.originalLength(),147                            closeSpan);148                    }149                }150            }151        }152    });153}154function annotateSourceCode(fileCoverage, sourceStore) {155    var codeArray,156        lineCoverageArray;157    try {158        var sourceText = sourceStore.getSource(fileCoverage.path),159            code = sourceText.split(/(?:\r?\n)|\r/),160            count = 0,161            structured = code.map(function (str) {162                count += 1;163                return {164                    line: count,165                    covered: 'neutral',166                    hits: 0,167                    text: new InsertionText(str, true)168                };169            });170        structured.unshift({line: 0, covered: null, text: new InsertionText("")});171        annotateLines(fileCoverage, structured);172        //note: order is important, since statements typically result in spanning the whole line and doing branches late173        //causes mismatched tags174        annotateBranches(fileCoverage, structured);175        annotateFunctions(fileCoverage, structured);176        annotateStatements(fileCoverage, structured);177        structured.shift();178        codeArray = structured.map(function (item) {179            return customEscape(item.text.toString()) || '&nbsp;';180        });181        lineCoverageArray = structured.map(function (item) {182            return {183                covered: item.covered,184                hits: item.hits > 0 ? item.hits + 'x' : '&nbsp;'185            };186        });187        return {188            annotatedCode: codeArray,189            lineCoverage: lineCoverageArray,190            maxLines: structured.length...

Using AI Code Generation

1const { createInstrumenter } = require('istanbul-lib-instrument');2const { createCoverageMap } = require('istanbul-lib-coverage');3const { createReporter } = require('istanbul-api');4const { createSourceMapStore } = require('istanbul-lib-source-maps');5const { createHook } = require('istanbul-lib-hook');6const instrumenter = createInstrumenter({7});8const coverageMap = createCoverageMap({});9const reporter = createReporter();10const sourceMapStore = createSourceMapStore();11const hookOpts = {12};13const hook = createHook(hookOpts);14hook.hookRequire();15hook.hookRunInThisContext();16const { annotateStatements } = require('istanbul-api');17    function foo() {18        return 1;19    }20`;21const instrumentedCode = instrumenter.instrumentSync(code, 'test.js');22const annotatedCode = annotateStatements(instrumentedCode, sourceMapStore, coverageMap, 'test.js');23console.log(annotatedCode);

Using AI Code Generation

1const { createInstrumenter } = require('istanbul-lib-instrument');2const { createCoverageMap } = require('istanbul-lib-coverage');3const { createReporter } = require('istanbul-api');4const { readFileSync } = require('fs');5const { join } = require('path');6const { parse } = require('babylon');7const { default: traverse } = require('babel-traverse');8const instrumenter = createInstrumenter();9const coverageMap = createCoverageMap();10const reporter = createReporter();11const code = readFileSync(join(__dirname, 'test.js'), 'utf-8');12const instrumentedCode = instrumenter.instrumentSync(code, 'test.js');13const ast = parse(instrumentedCode, {14});15traverse(ast, {16  enter(path) {17    if (path.isExpressionStatement()) {18      const statement = path.node;19      const { start, end } = statement.loc;20      const loc = {21        start: {22        },23        end: {24        },25      };26      const range = [statement.start, statement.end];27      const covered = instrumenter.coverState.s[range[0]];28      const uncovered = instrumenter.coverState.f[range[0]];29      const skip = instrumenter.coverState.b[range[0]];30      if (covered || uncovered || skip) {31        const coverage = {32          statementMap: {33          },34          fnMap: {},35          branchMap: {},36          s: {37          },38          f: {},39          b: {},40        };41        coverageMap.addFileCoverage(coverage);42      }43    }44  },45});46reporter.addAll(['json', 'text']);47reporter.write(coverageMap);

Using AI Code Generation

1var istanbul = require('istanbul');2var instrumenter = new istanbul.Instrumenter();3var fs = require('fs');4var code = fs.readFileSync('test.js', 'utf8');5var instrumentedCode = instrumenter.instrumentSync(code, 'test.js');6var annotatedCode = instrumenter.annotateStatements(code, 'test.js');7console.log(annotatedCode);8var istanbul = require('istanbul');9var instrumenter = new istanbul.Instrumenter();10var fs = require('fs');11var code = fs.readFileSync('test.js', 'utf8');12var instrumentedCode = instrumenter.instrumentSync(code, 'test.js');13var annotatedCode = instrumenter.annotateStatements(code, 'test.js');14console.log(annotatedCode);15var istanbul = require('istanbul');16var instrumenter = new istanbul.Instrumenter();17var fs = require('fs');18var code = fs.readFileSync('test.js', 'utf8');19var instrumentedCode = instrumenter.instrumentSync(code, 'test.js');20var annotatedCode = instrumenter.annotateStatements(code, 'test.js');21console.log(annotatedCode);22var istanbul = require('istanbul');23var instrumenter = new istanbul.Instrumenter();24var fs = require('fs');25var code = fs.readFileSync('test.js', 'utf8');26var instrumentedCode = instrumenter.instrumentSync(code, 'test.js');27var annotatedCode = instrumenter.annotateStatements(code, 'test.js');28console.log(annotatedCode);29var istanbul = require('istanbul');30var instrumenter = new istanbul.Instrumenter();31var fs = require('fs');32var code = fs.readFileSync('test.js', 'utf8');33var instrumentedCode = instrumenter.instrumentSync(code, 'test.js');34var annotatedCode = instrumenter.annotateStatements(code, 'test.js');35console.log(annotatedCode);

Using AI Code Generation

1var istanbul = require('istanbul');2var instrumenter = new istanbul.Instrumenter();3var code = 'var x = 1;';4var annotatedCode = instrumenter.annotateStatements(code);5console.log(annotatedCode);6var istanbul = require('istanbul');7var instrumenter = new istanbul.Instrumenter();8var code = 'var x = 1;';9var annotatedCode = instrumenter.annotateStatements(code);10console.log(annotatedCode);11var istanbul = require('istanbul');12var instrumenter = new istanbul.Instrumenter();13var code = 'var x = 1;';14var annotatedCode = instrumenter.annotateStatements(code);15console.log(annotatedCode);16var istanbul = require('istanbul');17var instrumenter = new istanbul.Instrumenter();18var code = 'var x = 1;';19var annotatedCode = instrumenter.annotateStatements(code);20console.log(annotatedCode);21var istanbul = require('istanbul');22var instrumenter = new istanbul.Instrumenter();23var code = 'var x = 1;';24var annotatedCode = instrumenter.annotateStatements(code);25console.log(annotatedCode);26var istanbul = require('istanbul');27var instrumenter = new istanbul.Instrumenter();28var code = 'var x = 1;';29var annotatedCode = instrumenter.annotateStatements(code);30console.log(annotatedCode);

Using AI Code Generation

1const api = require('istanbul-api');2const { createInstrumenter } = require('istanbul-lib-instrument');3const { createMatcher } = require('istanbul-lib-coverage');4const { createReporter } = require('istanbul-api');5const { createSourceMapStore } = require('istanbul-lib-source-maps');6const { createCoverageMap } = require('istanbul-lib-coverage');7const { createHook } = require('istanbul-lib-hook');8const { createContext } = require('istanbul-lib-report');9const { createWriter } = require('istanbul-lib-report');10const { createTree } = require('istanbul-lib-report');11const { createWatermarks } = require('istanbul

Using AI Code Generation

1var istanbul = require('istanbul-api'),2    fs = require('fs'),3    path = require('path'),4    instrumenter = istanbul.createInstrumenter(),5    matcher = istanbul.libReport.matchers.load(['**', '!**/node_modules/**', '!**/test/**']);6var map = instrumenter.instrumentSync(fs.readFileSync(path.join(__dirname, 'test.js'), 'utf8'), path.join(__dirname, 'test.js'));7var annotatedCode = istanbul.libInstrument.annotateStatements(map, matcher);8console.log(annotatedCode);9    at Object.annotateStatements (C:\Users\user\Documents\GitHub\test\node_modules\istanbul-lib-instrument\lib\instrumenter.js:199:21)10    at Object.<anonymous> (C:\Users\user\Documents\GitHub\test\test.js:15:32)11    at Module._compile (module.js:652:30)12    at Object.Module._extensions..js (module.js:663:10)13    at Module.load (module.js:565:32)14    at tryModuleLoad (module.js:505:12)15    at Function.Module._load (module.js:497:3)16    at Function.Module.runMain (module.js:693:10)17    at startup (bootstrap_node.js:191:16)18var istanbul = require('istanbul-api'),19    fs = require('fs'),20    path = require('path'),21    instrumenter = istanbul.createInstrumenter(),22    matcher = istanbul.libReport.matchers.load(['**', '!**/node_modules/**', '!**/test/**']);23var map = instrumenter.instrumentSync(fs.readFileSync(path.join(__dirname, 'test.js'), 'utf8'), path.join(__dirname, 'test.js'));24var annotatedCode = istanbul.libInstrument.annotateStatements(map, matcher, fs.readFileSync(path.join(__dirname, 'test.js'), 'utf8'));25console.log(annotatedCode);

Using AI Code Generation

1const { Instrumenter } = require('istanbul-lib-instrument');2const instrumenter = new Instrumenter();3const code = 'function foo(){console.log("hello")}';4const instrumentedCode = instrumenter.instrumentSync(code, 'test.js');5console.log(instrumentedCode);6function foo(){__cov_3n0yv1d6g7.f['1']++;console.log("hello");__cov_3n0yv1d6g7.s['2']++;}7const { Instrumenter } = require('istanbul-lib-instrument');8const instrumenter = new Instrumenter();9const code = 'function foo(){console.log("hello")}';10const instrumentedCode = instrumenter.instrumentSync(code, 'test.js');11const { createCoverageMap } = require('istanbul-lib-coverage');12const map = createCoverageMap();13map.addFileCoverage({14    fnMap: {15        '1': {16            loc: {17                start: {18                },19                end: {20                }21            }22        }23    },24    statementMap: {25        '1': {26            start: {27            },28            end: {29            }30        },31        '2': {32            start: {33            },34            end: {35            }36        }37    },38    s: {39    },40    f: {41    }42});43map.merge(instrumentedCode);44console.log(map.data);45{ test: 46   { path: 'test.js',47     statementMap: { '1': [Object

Using AI Code Generation

1var esprima = require('esprima');2var escodegen = require('escodegen');3var istanbul = require('istanbul');4var fs = require('fs');5var path = require('path');6var code = fs.readFileSync(path.join(__dirname, 'test.js'), 'utf-8');7var ast = esprima.parse(code);8var instrumenter = new istanbul.Instrumenter();9var instrumentedCode = instrumenter.instrumentSync(code, 'test.js');10var instrumentedAST = esprima.parse(instrumentedCode);11var instrumentedASTBody = instrumentedAST.body;12var instrumentedASTBodyLength = instrumentedASTBody.length;13var instrumentedASTBodyCounter = 0;14var instrumentedASTBodyCounter = 0;15function traverseAST(ast) {16    for (var i = 0; i < ast.length; i++) {17        if (ast[i].type === 'FunctionDeclaration') {18            var statementArray = instrumenter.annotateStatements(ast[i]);19            ast[i].statementArray = statementArray;20            if (instrumentedASTBodyCounter < instrumentedASTBodyLength) {21                ast[i].body = instrumentedASTBody[instrumentedASTBodyCounter].body;22                instrumentedASTBodyCounter++;23            }24        }25        if (ast[i].body) {26            traverseAST(ast[i].body.body);27        }28    }29}30traverseAST(ast.body);31var instrumentedCode = escodegen.generate(ast);32fs.writeFileSync(path.join(__dirname, 'test.js'), instrumentedCode, 'utf-8');33var esprima = require('esprima');34var escodegen = require('escodegen');35var istanbul = require('istanbul');

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