KaneAI - World’s First E2E Software Testing Agent.Signup for Private Beta Join TestMu Conference

How to use annotateFunctions method in istanbul

Best JavaScript code snippet using istanbul

annotator.js

Source:annotator.js

...69            );70        }71    });72}73function annotateFunctions(fileCoverage, structuredText) {74    const fnStats = fileCoverage.f;75    const fnMeta = fileCoverage.fnMap;76    if (!fnStats) {77        return;78    }79    Object.entries(fnStats).forEach(([fName, count]) => {80        const meta = fnMeta[fName];81        const type = count > 0 ? 'yes' : 'no';82        const startCol = meta.decl.start.column;83        let endCol = meta.decl.end.column + 1;84        const startLine = meta.decl.start.line;85        const endLine = meta.decl.end.line;86        const openSpan =87            lt +88            'span class="' +89            (meta.skip ? 'fstat-skip' : 'fstat-no') +90            '"' +91            title('function not covered') +92            gt;93        const closeSpan = lt + '/span' + gt;94        let text;95        if (type === 'no' && structuredText[startLine]) {96            if (endLine !== startLine) {97                endCol = structuredText[startLine].text.originalLength();98            }99            text = structuredText[startLine].text;100            text.wrap(101                startCol,102                openSpan,103                startCol < endCol ? endCol : text.originalLength(),104                closeSpan105            );106        }107    });108}109function annotateBranches(fileCoverage, structuredText) {110    const branchStats = fileCoverage.b;111    const branchMeta = fileCoverage.branchMap;112    if (!branchStats) {113        return;114    }115    Object.entries(branchStats).forEach(([branchName, branchArray]) => {116        const sumCount = branchArray.reduce((p, n) => p + n, 0);117        const metaArray = branchMeta[branchName].locations;118        let i;119        let count;120        let meta;121        let startCol;122        let endCol;123        let startLine;124        let endLine;125        let openSpan;126        let closeSpan;127        let text;128        // only highlight if partial branches are missing or if there is a129        // single uncovered branch.130        if (sumCount > 0 || (sumCount === 0 && branchArray.length === 1)) {131            for (132                i = 0;133                i < branchArray.length && i < metaArray.length;134                i += 1135            ) {136                count = branchArray[i];137                meta = metaArray[i];138                startCol = meta.start.column;139                endCol = meta.end.column + 1;140                startLine = meta.start.line;141                endLine = meta.end.line;142                openSpan =143                    lt +144                    'span class="branch-' +145                    i +146                    ' ' +147                    (meta.skip ? 'cbranch-skip' : 'cbranch-no') +148                    '"' +149                    title('branch not covered') +150                    gt;151                closeSpan = lt + '/span' + gt;152                if (count === 0 && structuredText[startLine]) {153                    //skip branches taken154                    if (endLine !== startLine) {155                        endCol = structuredText[156                            startLine157                        ].text.originalLength();158                    }159                    text = structuredText[startLine].text;160                    if (branchMeta[branchName].type === 'if') {161                        // 'if' is a special case162                        // since the else branch might not be visible, being non-existent163                        text.insertAt(164                            startCol,165                            lt +166                                'span class="' +167                                (meta.skip168                                    ? 'skip-if-branch'169                                    : 'missing-if-branch') +170                                '"' +171                                title(172                                    (i === 0 ? 'if' : 'else') +173                                        ' path not taken'174                                ) +175                                gt +176                                (i === 0 ? 'I' : 'E') +177                                lt +178                                '/span' +179                                gt,180                            true,181                            false182                        );183                    } else {184                        text.wrap(185                            startCol,186                            openSpan,187                            startCol < endCol ? endCol : text.originalLength(),188                            closeSpan189                        );190                    }191                }192            }193        }194    });195}196function annotateSourceCode(fileCoverage, sourceStore) {197    let codeArray;198    let lineCoverageArray;199    try {200        const sourceText = sourceStore.getSource(fileCoverage.path);201        const code = sourceText.split(/(?:\r?\n)|\r/);202        let count = 0;203        const structured = code.map(str => {204            count += 1;205            return {206                line: count,207                covered: 'neutral',208                hits: 0,209                text: new InsertionText(str, true)210            };211        });212        structured.unshift({213            line: 0,214            covered: null,215            text: new InsertionText('')216        });217        annotateLines(fileCoverage, structured);218        //note: order is important, since statements typically result in spanning the whole line and doing branches late219        //causes mismatched tags220        annotateBranches(fileCoverage, structured);221        annotateFunctions(fileCoverage, structured);222        annotateStatements(fileCoverage, structured);223        structured.shift();224        codeArray = structured.map(225            item => customEscape(item.text.toString()) || '&nbsp;'226        );227        lineCoverageArray = structured.map(item => ({228            covered: item.covered,229            hits: item.hits > 0 ? item.hits + 'x' : '&nbsp;'230        }));231        return {232            annotatedCode: codeArray,233            lineCoverage: lineCoverageArray,234            maxLines: structured.length235        };...

videoAnnotate.js

Source:videoAnnotate.js

...35    mediainfo36      .analyzeData(getSize, readChunk)37      .then((result) => {38        // output.value = result;39        annotateFunctions(40          result.media.track[1].FrameRate,41          result.media.track[1].Duration,42          result.media.track[1].FrameCount43        );44      })45      .catch((error) => {46        output.value = `An error occured:\n${error.stack}`;47      });48  }49};50MediaInfo({ format: "object" }, (mediainfo) => {51  fileinput.addEventListener("change", () => onChangeFile(mediainfo));...

Using AI Code Generation

1var istanbul = require('istanbul');2var api = istanbul.api;3var collector = new istanbul.Collector();4var reporter = new istanbul.Reporter();5var coverage = require('./coverage.json');6collector.add(coverage);7var map = api.libCoverage.createCoverageMap(coverage);8var annotated = api.annotateFunctions(map);9console.log(annotated);10{11    "path/to/file.js": {12        "statementMap": {13            "0": {14                "start": {15                },16                "end": {17                }18            },19            "1": {20                "start": {21                },22                "end": {23                }24            }25        },26        "s": {27        },28        "f": {},29        "b": {},30    }31}32{33    "path/to/file.js": {34        "statementMap": {35            "0": {36                "start": {37                },38                "end": {39                }40            },41            "1": {42                "start": {43                },44                "end": {45                }46            }47        },48        "s": {

Using AI Code Generation

1var istanbul = require('istanbul');2var instrumenter = new istanbul.Instrumenter();3var fs = require('fs');4var code = fs.readFileSync('code.js', 'utf8');5var annotatedCode = instrumenter.instrumentSync(code, 'code.js');6fs.writeFileSync('annotated.js', annotatedCode);7var istanbul = require('istanbul');8var instrumenter = new istanbul.Instrumenter();9var fs = require('fs');10var code = fs.readFileSync('code.js', 'utf8');11var annotatedCode = instrumenter.instrumentSync(code, 'code.js');12fs.writeFileSync('annotated.js', annotatedCode);13var annotated = require('./annotated');14var cov = instrumenter.lastFileCoverage();15var collector = new istanbul.Collector();16collector.add(cov);17var reporter = new istanbul.Reporter();18reporter.add('text');19reporter.write(collector, true, function () {20    console.log('done');21});22var istanbul = require('istanbul');23var instrumenter = new istanbul.Instrumenter();24var fs = require('fs');25var code = fs.readFileSync('code.js', 'utf8');26var annotatedCode = instrumenter.instrumentSync(code, 'code.js');27fs.writeFileSync('annotated.js', annotatedCode);28var annotated = require('./annotated');29var cov = instrumenter.lastFileCoverage();30var collector = new istanbul.Collector();31collector.add(cov);32var reporter = new istanbul.Reporter();33reporter.add('text');34reporter.write(collector, true, function () {35    console.log('done');36});

Using AI Code Generation

1var istanbul = require('istanbul');2var instrumenter = new istanbul.Instrumenter();3var code = 'function foo() { return 1; }';4var annotatedCode = instrumenter.instrumentSync(code, 'test.js');5console.log(annotatedCode);6function foo() {7    _$jscoverage['test.js'].functionData[0]++;8    _$jscoverage['test.js'].lineData[1]++;9    return 1;10}11var istanbul = require('istanbul');12var instrumenter = new istanbul.Instrumenter();13var code = 'function foo() { return 1; }';14var annotatedCode = instrumenter.instrumentSync(code, 'test.js');15console.log(annotatedCode);16function foo() {17    _$jscoverage['test.js'].functionData[0]++;18    _$jscoverage['test.js'].lineData[1]++;19    return 1;20}21var istanbul = require('istanbul');22var instrumenter = new istanbul.Instrumenter();23var code = 'function foo() { return 1; }';24var annotatedCode = instrumenter.instrumentSync(code, 'test.js');25console.log(annotatedCode);26var coverage = instrumenter.lastFileCoverage();27console.log(coverage);28function foo() {29    _$jscoverage['test.js'].functionData[0]++;30    _$jscoverage['test.js'].lineData[1]++;31    return 1;32}33{ path: 'test.js',34  statementMap: { '0': { start: [Object], end: [Object] } },35  fnMap: { '0': { name: 'foo', decl: [Object], loc: [Object], line: 1 } },36  branchMap: {},37  s: { '0': 0 },38  f: { '0': 0 },39  b: {},40  _coverageSchema: '332fd63041d2c1bcb487cc26dd0d5f7d97098a6c' }

Using AI Code Generation

1var istanbul = require('istanbul');2var instrumenter = new istanbul.Instrumenter();3var code = 'function foo(a, b) { return a + b; }';4instrumenter.instrument(code, 'test.js', function(err, code) {5    console.log(code);6});7function foo(a, b) {8    if (typeof __cov_4k8W6Jn5v5p5yS9X9UJW6g === 'function') {9        __cov_4k8W6Jn5v5p5yS9X9UJW6g('test.js', '1');10    }11    return a + b;12}13var istanbul = require('istanbul');14var instrumenter = new istanbul.Instrumenter();15var code = 'function foo(a, b) { /* istanbul ignore next */ return a + b; }';16instrumenter.instrument(code, 'test.js', function(err, code) {17    console.log(code);18});19function foo(a, b) {20    return a + b;21}22{23  "dependencies": {24  },25  "devDependencies": {26  }27}28var istanbul = require('istanbul');29var escodegen = require('escodegen');

Using AI Code Generation

1var istanbul = require('istanbul');2var instrumenter = new istanbul.Instrumenter();3var fs = require('fs');4var source = fs.readFileSync('test.js', 'utf8');5var annotatedSource = instrumenter.instrumentSync(source, 'test.js');6fs.writeFileSync('annotated_test.js', annotatedSource);7var istanbul = require('istanbul');8var instrumenter = new istanbul.Instrumenter();9var fs = require('fs');10var source = fs.readFileSync('test.js', 'utf8');11var annotatedSource = instrumenter.instrumentSync(source, 'test.js');12fs.writeFileSync('annotated_test.js', annotatedSource);13var istanbul = require('istanbul'); /* istanbul ignore next */14var instrumenter = new istanbul.Instrumenter(); /* istanbul ignore next */15var fs = require('fs'); /* istanbul ignore next */16var source = fs.readFileSync('test.js', 'utf8'); /* istanbul ignore next */17var annotatedSource = instrumenter.instrumentSync(source, 'test.js'); /* istanbul ignore next */18fs.writeFileSync('annotated_test.js', annotatedSource); /* istanbul ignore next */

Using AI Code Generation

1var istanbul = require('istanbul');2var instrumenter = new istanbul.Instrumenter();3var source = 'function foo(x) { return x * x; }';4instrumenter.instrument(source, 'test.js', function (err, instrumentedSource) {5    console.log(instrumentedSource);6});7var __cov_3N3JU6i_3Jf4Z4LgjF4D4g = (Function('return this'))();8if (!__cov_3N3JU6i_3Jf4Z4LgjF4D4g.__coverage__) { __cov_3N3JU6i_3Jf4Z4LgjF4D4g.__coverage__ = {}; }9__cov_3N3JU6i_3Jf4Z4LgjF4D4g = __cov_3N3JU6i_3Jf4Z4LgjF4D4g.__coverage__;10if (!(__cov_3N3JU6i_3Jf4Z4LgjF4D4g['test.js'])) {11   __cov_3N3JU6i_3Jf4Z4LgjF4D4g['test.js'] = {"path":"test.js","s":{"1":0},"b":{},"f":{"1":0},"fnMap":{"1":{"name":"foo","line":1,"loc":{"start":{"line":1,"column":9},"end":{"line":1,"column":12}}}},"statementMap":{"1":{"start":{"line":1,"column":0},"end":{"line":1,"column":26}}},"branchMap":{}};12}13__cov_3N3JU6i_3Jf4Z4LgjF4D4g = __cov_3N3JU6i_3Jf4Z4LgjF4D4g['test.js'];14if (!(__cov_3N3JU6i_3Jf4Z4LgjF4D4g.s['1'])) {

Using AI Code Generation

1var istanbul = require('istanbul');2var instrumenter = new istanbul.Instrumenter({coverageVariable: '__myCoverage__'});3var fs = require('fs');4var code = fs.readFileSync('test.js', 'utf8');5var annotatedCode = instrumenter.instrumentSync(code, 'test.js');6console.log(annotatedCode);7fs.writeFileSync('annotated.js', annotatedCode, 'utf8');8var __myCoverage__ = require('istanbul').__myCoverage__;9var instrumenter = new __myCoverage__.Instrumenter({coverageVariable: '__myCoverage__'});10var fs = require('fs');11var code = fs.readFileSync('test.js', 'utf8');12var annotatedCode = instrumenter.instrumentSync(code, 'test.js');13console.log(annotatedCode);14fs.writeFileSync('annotated.js', annotatedCode, 'utf8');15Running "instrument:coverage" (instrument) task16instrument: {17            options: {18            }19        }20Running "instrument:files" (instrument) task21module.exports = function(config) {22  config.set({

Using AI Code Generation

1var istanbul = require('istanbul');2var instrumenter = new istanbul.Instrumenter();3var path = require('path');4var fs = require('fs');5var code = fs.readFileSync('test.js', 'utf8');6var annotatedCode = instrumenter.annotateFunctions(code, path.resolve('test.js'));7console.log(annotatedCode);8var istanbul = require('istanbul');9var instrumenter = new istanbul.Instrumenter();10var path = require('path');11var fs = require('fs');12var code = fs.readFileSync('test.js', 'utf8');13var annotatedCode = instrumenter.annotateFunctions(code, path.resolve('test.js'));14__cov_2zv7D6H2Gg5F5wQh5k5y8A.s['1']++;console.log(__cov_2zv7D6H2Gg5F5wQh5k5y8A.s['2']++, annotatedCode);15var istanbul = require('istanbul');16var instrumenter = new istanbul.Instrumenter();17var path = require('path');18var fs = require('fs');19var code = fs.readFileSync('test.js', 'utf8');20var annotatedCode = instrumenter.annotateFunctions(code, path.resolve('test.js'));21var instrumentedCode = instrumenter.instrumentSync(annotatedCode, path.resolve('test.js'));22console.log(instrumentedCode);23var istanbul = require('istanbul');24var instrumenter = new istanbul.Instrumenter();25var path = require('path');26var fs = require('fs');

Automation Testing Tutorials

Learn to execute automation testing from scratch with LambdaTest Learning Hub. Right from setting up the prerequisites to run your first automation test, to following best practices and diving deeper into advanced test scenarios. LambdaTest Learning Hubs compile a list of step-by-step guides to help you be proficient with different test automation frameworks i.e. Selenium, Cypress, TestNG etc.