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How to use annotateBranches method in istanbul

Best JavaScript code snippet using istanbul

annotator.js

Source:annotator.js

...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,...

transform-coverage.js

Source:transform-coverage.js

...7  clone.b = filterToRunCodeOnly(clone.b)8  clone.statementMap = filterMapToRunOnly(clone.statementMap, clone.s)9  clone.fnMap = filterMapToRunOnly(clone.fnMap, clone.f)10  clone.branchMap = filterMapToRunOnly(clone.branchMap, clone.b)11  clone.branchMap = annotateBranches(clone.branchMap, clone.b)12  return clone13}14function filterToRunCodeOnly(obj) {15  return _.reduce(16    obj,17    (newObj, val, key) => {18      if (isRunBranch(val) || (_.isNumber(val) && val !== 0)) {19        newObj[key] = val20      }21      return newObj22    },23    {},24  )25}26function isRunBranch(val) {27  return Array.isArray(val) && val.some(i => !!i)28}29function filterMapToRunOnly(map, indexesRun) {30  return Object.keys(indexesRun).reduce(31    (newObj, indexRun) => {32      newObj[indexRun] = map[indexRun]33      return newObj34    },35    {},36  )37}38function annotateBranches(branchMap, branchesRun) {39  const clone = _.cloneDeep(branchMap)40  _.forEach(clone, (branch, key) => {41    const run = branchesRun[key]42    branch.locations.forEach((location, index) => {43      location.covered = run[index] > 044    })45    // binary expressions don't have a concept of consequent or alternate46    if (branch.type !== 'binary-expr') {47      const [conLoc, altLoc] = branch.locations48      branch.consequent = {covered: run[0] > 0, loc: conLoc}49      branch.alternate = {covered: run[1] > 0, loc: altLoc}50    }51  })52  return clone...

Using AI Code Generation

1var istanbul = require('istanbul');2var api = istanbul.api;3var collector = new istanbul.Collector();4var reporter = new istanbul.Reporter();5var sync = false;6collector.add(global.__coverage__);7reporter.add('text');8reporter.addAll(['lcov', 'json', 'text-summary']);9reporter.write(collector, sync, function () {10    console.log('All reports generated');11});12var istanbul = require('istanbul');13var api = istanbul.api;14var collector = new istanbul.Collector();15var reporter = new istanbul.Reporter();16var sync = false;17collector.add(global.__coverage__);18reporter.add('text');19reporter.addAll(['lcov', 'json', 'text-summary']);20reporter.write(collector, sync, function () {21    console.log('All reports generated');22});23        var line = lines[lineNum];24    at Object.annotateBranches (T:\node_modules\istanbul\lib\report\common\annotator.js:53:25)25    at Array.forEach (native)26    at HtmlReport.Report.mix.writeDetailPage (T:\node_modules\istanbul\lib\report\html\index.js:105:26)27    at SyncFileWriter.extend.writeFile (T:\node_modules\istanbul\lib\util\file-writer.js:57:9)28    at FileWriter.extend.writeFile (T:\node_modules\istanbul\lib\util\file-writer.js:147:23)29    at Array.forEach (native)30    at HtmlReport.Report.mix.writeFiles (T:\node_modules\istanbul\lib\report\html\index.js:482:23)

Using AI Code Generation

1var istanbulApi = require('istanbul-api');2var report = istanbulApi.createReport();3report.add('text');4report.add('text-summary');5report.add('lcov');6report.write(istanbulApi.createCoverageMap(global.__coverage__), {});

Using AI Code Generation

1var istanbul = require('istanbul'),2    collector = new istanbul.Collector(),3    reporter = new istanbul.Reporter();4collector.add(JSON.parse(fs.readFileSync('coverage/coverage.json', 'utf8')));5collector.files().forEach(function (key) {6    var fileCoverage = collector.fileCoverageFor(key);7    istanbul.utils.annotateBranches(fileCoverage);8});9reporter.add('text');10reporter.write(collector, true, function () {11    console.log('All reports generated');12});13var istanbul = require('istanbul'),14    collector = new istanbul.Collector(),15    reporter = new istanbul.Reporter();16collector.add(JSON.parse(fs.readFileSync('coverage/coverage.json', 'utf8')));17collector.files().forEach(function (key) {18    var fileCoverage = collector.fileCoverageFor(key);19    istanbul.utils.annotateBranches(fileCoverage);20});21reporter.add('text');22reporter.write(collector, true, function () {23    console.log('All reports generated');24});25var istanbul = require('istanbul'),26    collector = new istanbul.Collector(),27    reporter = new istanbul.Reporter();28collector.add(JSON.parse(fs.readFileSync('coverage/coverage.json', 'utf8')));

Using AI Code Generation

1var istanbul = require('istanbul');2var collector = new istanbul.Collector;3var reporter = new istanbul.Reporter();4collector.add(__coverage__);5reporter.add('text');6if (collector.files().length > 0) {7    istanbul.utils.annotateBranches(collector.getFinalCoverage());8}9if (sync) {10    reporter.write(collector, true, function () { console.log('done'); });11} else {12    reporter.write(collector, true, function () { console.log('done'); });13}

Using AI Code Generation

1var istanbul = require("istanbul");2var remap = require("remap-istanbul");3var api = istanbul.api;4var report = istanbul.Report.create("json");5var collector = new istanbul.Collector();6var mapStore = remap.createStore();7var reportType = "json";8var reportOpts = {dir: "coverage"};9var reportContext = istanbul.Report.createContext({dir: "coverage"});10var mapContext = remap.createContext(reportOpts);11var branchMap = {path: "test.js", s: {0: {0: [0, 1], 1: [2, 3]}}, b: {0: [0, 1]}};12api.annotateBranches("test.js", branchMap);

Using AI Code Generation

1const { annotateBranches } = require('istanbul-lib-instrument');2const esprima = require('esprima');3const code = 'if (x) { console.log("x is true"); } else { console.log("x is false"); }';4const ast = esprima.parse(code, { range: true, loc: true });5annotateBranches(ast);6console.log(JSON.stringify(ast, null, 2));

Using AI Code Generation

1var api = require('istanbul-api');2var store = api.createCoverageMap({});3store.addFileCoverage(/* file coverage object */);4var annotatedObject = api.libReport.annotateBranches(store);5{6    "path/to/file.js": {7        "s": {8        },9        "b": {10        },11        "f": {12        },13        "fnMap": {14            "1": {15                "name": "(anonymous_1)",16                "loc": {17                    "start": {18                    },19                    "end": {20                    }21                }22            },23            "2": {24                "name": "(anonymous_2)",25                "loc": {26                    "start": {27                    },28                    "end": {29                    }30                }31            }32        },33        "statementMap": {34            "1": {35                "start": {36                },37                "end": {38                }39            },40            "2": {41                "start": {42                },43                "end": {44                }45            }46        },47        "branchMap": {48            "1": {49                "locations": [{50                    "start": {51                    },52                    "end": {53                    }54                }, {55                    "start": {

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