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How to use branchCoverageByLine method in istanbul

Best JavaScript code snippet using istanbul

clover.js

Source:clover.js

...45}46function attr(n, v) {47    return ' ' + n + '=' + quote(v) + ' ';48}49function branchCoverageByLine(fileCoverage) {50    var branchMap = fileCoverage.branchMap,51        branches = fileCoverage.b,52        ret = {};53    Object.keys(branchMap).forEach(function (k) {54        var line = branchMap[k].line,55            branchData = branches[k];56        ret[line] = ret[line] || [];57        ret[line].push.apply(ret[line], branchData);58    });59    Object.keys(ret).forEach(function (k) {60        var dataArray = ret[k],61            covered = dataArray.filter(function (item) { return item > 0; }),62            coverage = covered.length / dataArray.length * 100;63        ret[k] = { covered: covered.length, total: dataArray.length, coverage: coverage };64    });65    return ret;66}67function addClassStats(node, fileCoverage, writer) {68    fileCoverage = utils.incrementIgnoredTotals(fileCoverage);69    var metrics = node.metrics,70        branchByLine = branchCoverageByLine(fileCoverage),71        fnMap,72        lines;73    writer.println('\t\t\t<file' +74        attr('name', asClassName(node)) +75        attr('path', node.fullPath()) +76        '>');77    writer.println('\t\t\t\t<metrics' +78        attr('statements', metrics.lines.total) +79        attr('coveredstatements', metrics.lines.covered) +80        attr('conditionals', metrics.branches.total) +81        attr('coveredconditionals', metrics.branches.covered) +82        attr('methods', metrics.functions.total) +83        attr('coveredmethods', metrics.functions.covered) +84        '/>');...

cobertura.js

Source:cobertura.js

...45}46function attr(n, v) {47    return ' ' + n + '=' + quote(v) + ' ';48}49function branchCoverageByLine(fileCoverage) {50    var branchMap = fileCoverage.branchMap,51        branches = fileCoverage.b,52        ret = {};53    Object.keys(branchMap).forEach(function (k) {54        var line = branchMap[k].line,55            branchData = branches[k];56        ret[line] = ret[line] || [];57        ret[line].push.apply(ret[line], branchData);58    });59    Object.keys(ret).forEach(function (k) {60        var dataArray = ret[k],61            covered = dataArray.filter(function (item) { return item > 0; }),62            coverage = covered.length / dataArray.length * 100;63        ret[k] = { covered: covered.length, total: dataArray.length, coverage: coverage };64    });65    return ret;66}67function addClassStats(node, fileCoverage, writer) {68    var metrics = node.metrics,69        branchByLine = branchCoverageByLine(fileCoverage),70        fnMap,71        lines;72    writer.println('\t\t<class' +73        attr('name', asClassName(node)) +74        attr('filename', node.fullPath()) +75        attr('line-rate', metrics.lines.pct / 100.0) +76        attr('branch-rate', metrics.branches.pct / 100.0) +77        '>');78    writer.println('\t\t<methods>');79    fnMap = fileCoverage.fnMap;80    Object.keys(fnMap).forEach(function (k) {81        var name = fnMap[k].name,82            hits = fileCoverage.f[k];83        writer.println(...

Using AI Code Generation

1var istanbul = require('istanbul-lib-coverage');2var map = istanbul.createCoverageMap();3map.addFileCoverage({4    statementMap: { '0': { start: { line: 1, column: 0 }, end: { line: 1, column: 3 } },5        '1': { start: { line: 2, column: 0 }, end: { line: 2, column: 3 } },6        '2': { start: { line: 3, column: 0 }, end: { line: 3, column: 3 } },7        '3': { start: { line: 4, column: 0 }, end: { line: 4, column: 3 } },8        '4': { start: { line: 5, column: 0 }, end: { line: 5, column: 3 } },9        '5': { start: { line: 6, column: 0 }, end: { line: 6, column: 3 } },10        '6': { start: { line: 7, column: 0 }, end: { line: 7, column: 3 } },11        '7': { start: { line: 8, column: 0 }, end: { line: 8, column: 3 } },12        '8': { start: { line: 9, column: 0 }, end: { line: 9, column: 3 } },13        '9': { start: { line: 10, column: 0 }, end: { line: 10, column: 3 } },14        '10': { start: { line: 11, column: 0 }, end: { line: 11, column: 3 } },15        '11': { start: { line: 12, column: 0 }, end: { line: 12, column: 3 } },16        '12': { start: { line: 13, column: 0 }, end: { line: 13, column: 3 } },17        '13': { start: { line: 14, column: 0 }, end: { line: 14, column: 3 } },18        '14': { start: {

Using AI Code Generation

1var instrumenter = require('istanbul-lib-instrument');2var code = 'function foo() { if (true) { return 1; } else { return 2; } }';3var instrumentedCode = instrumenter.instrumentSync(code, 'test.js');4console.log(instrumentedCode);5function foo() {6    if (true) {7        return 1;8    } else {9        return 2;10    }11}12function foo() {13    if (true) {14        return 1;15    } else {16        return 2;17    }18}19foo.__coverage__ = {20    's': {21    },22    'b': {23    },24    'f': {},25    'fnMap': {},26    'statementMap': {27        '0': {28            'start': {29            },30            'end': {31            }32        }33    },34    'branchMap': {35        '0': {36                {37                    'start': {38                    },39                    'end': {40                    }41                },42                {43                    'start': {44                    },45                    'end': {46                    }47                }48        }49    }50};51var instrumenter = require('istanbul-lib-instrument');52var code = 'function foo() { if (true) { return 1; } else { return 2; } }';53var instrumentedCode = instrumenter.instrumentSync(code, 'test.js', { coverageVariable: '__coverage__' });54console.log(instrumentedCode);55function foo()

Using AI Code Generation

1var istanbul = require('istanbul-lib-instrument');2var instrumenter = istanbul.createInstrumenter();3var code = 'function foo(a) { if (a) { return 1; } else { return 2; } }';4var instrumentedCode = instrumenter.branchCoverageByLine(code);5console.log(instrumentedCode);6function foo(a) {7    var _$jscoverage = this['$jscoverage'] || (this['$jscoverage'] = {});8    _$jscoverage['/test.js'] || (_$jscoverage['/test.js'] = { "path": "/test.js", "s": { "1": 0, "2": 0, "3": 0, "4": 0, "5": 0, "6": 0, "7": 0, "8": 0, "9": 0, "10": 0, "11": 0, "12": 0, "13": 0, "14": 0, "15": 0, "16": 0, "17": 0, "18": 0, "19": 0, "20": 0, "21": 0, "22": 0, "23": 0, "24": 0, "25": 0, "26": 0, "27": 0, "28": 0, "29": 0, "30": 0, "31": 0, "32": 0, "33": 0, "34": 0, "35": 0, "36": 0, "37": 0, "38": 0, "39": 0, "40": 0, "41": 0, "42": 0, "43": 0, "44": 0, "45": 0, "46": 0, "47": 0, "48": 0, "49": 0, "50": 0, "51": 0, "52": 0, "53": 0, "54": 0, "55": 0, "56": 0, "57": 0, "58": 0, "59": 0, "60":

Using AI Code Generation

1var instrumenter = require('istanbul-lib-instrument');2var code = 'function foo(x) { if (x) { return 1; } else { return 2; } }';3var opts = { coverageVariable: '__coverage__' };4var instrumentedCode = instrumenter.instrumentSync(code, opts);5var branchCoverage = instrumenter.branchCoverageByLine(instrumentedCode);6console.log(branchCoverage);7* [istanbul-lib-instrument](#module_istanbul-lib-instrument)8    * [new istanbulLibInstrument([options])](#new_module_istanbul-lib-instrument_new)9    * [.instrumentSync(code, options)](#module_istanbul-lib-instrument.instrumentSync) ⇒ <code>String</code>10    * [.instrument(code, options, callback)](#module_istanbul-lib-instrument.instrument) ⇒ <code>Promise</code>11    * [.lastSourceMap()](#module_istanbul-lib-instrument.lastSourceMap) ⇒ <code>Object</code>12    * [.lastFileCoverage()](#module_istanbul-lib-instrument.lastFileCoverage) ⇒ <code>Object</code>13    * [.lastCoverage()](#module_istanbul-lib-instrument.lastCoverage) ⇒ <code>Object</code>14    * [.branchCoverageByLine(code)](#module_istanbul-lib-instrument.branchCoverageByLine) ⇒ <code>Object</code>15#### new istanbulLibInstrument([options])

Using AI Code Generation

1var instrumenter = require('istanbul-lib-instrument');2var code = 'function foo() {\n' +3    '  if (bar) {\n' +4    '    return 1;\n' +5    '  } else {\n' +6    '    return 2;\n' +7    '  }\n' +8    '}';9var instrumentedCode = instrumenter.instrumentSync(code, {coverageVariable: '__coverage__'});10console.log(instrumentedCode);11var instrumentedCode = instrumenter.instrumentSync(code, {coverageVariable: '__coverage__', branchCoverage: true});12console.log(instrumentedCode);13var instrumentedCode = instrumenter.instrumentSync(code, {coverageVariable: '__coverage__', branchCoverage: true, branchCoverageByLine: true});14console.log(instrumentedCode);15var instrumenter = require('istanbul-lib-instrument');16var code = 'function foo() {\n' +17    '  if (bar) {\n' +18    '    return 1;\n' +19    '  } else {\n' +20    '    return 2;\n' +21    '  }\n' +22    '}';23var instrumentedCode = instrumenter.instrumentSync(code, {coverageVariable: '__coverage__'});24console.log(instrumentedCode);25var instrumentedCode = instrumenter.instrumentSync(code, {coverageVariable: '__coverage__', branchCoverage: true});26console.log(instrumentedCode);27var instrumentedCode = instrumenter.instrumentSync(code, {coverageVariable: '__coverage__', branchCoverage: true, branchCoverageByLine: true});28console.log(instrumentedCode);29var instrumenter = require('istanbul-lib-instrument');30var code = 'function foo() {\n' +31    '  if (bar) {\n' +32    '    return 1;\n' +33    '  } else {\n' +34    '    return 2;\n' +35    '  }\n' +36    '}';37var instrumentedCode = instrumenter.instrumentSync(code, {coverageVariable: '__coverage__'});38console.log(instrumentedCode);39var instrumentedCode = instrumenter.instrumentSync(code, {coverageVariable: '__coverage__', branchCoverage: true});40console.log(instrument

Using AI Code Generation

1const { Instrumenter } = require('istanbul-lib-instrument');2const instrumenter = new Instrumenter();3const code = 'function foo() { return 1; }';4const instrumented = instrumenter.instrumentSync(code, 'test.js');5console.log(instrumented);6const { Instrumenter } = require('istanbul-lib-instrument');7const instrumenter = new Instrumenter();8const code = 'function foo() { return 1; }';9const instrumented = instrumenter.branchCoverageByLine(code, 'test.js');10console.log(instrumented);11const { Instrumenter } = require('istanbul-lib-instrument');12const instrumenter = new Instrumenter();13const code = 'function foo() { return 1; }';14const instrumented = instrumenter.branchCoverageByLine(code, 'test.js');15console.log(instrumented);16const { Instrumenter } = require('istanbul-lib-instrument');17const instrumenter = new Instrumenter();18const code = 'function foo() { return 1; }';

Using AI Code Generation

1const istanbulLibInstrument = require('istanbul-lib-instrument');2function foo(x) {3    if (x > 10) {4        return x;5    }6    return 10;7}8`;9const instrumenter = istanbulLibInstrument.createInstrumenter();10const instrumentedCode = instrumenter.instrumentSync(code, 'test.js');11console.log(instrumentedCode);12function foo(x) {13    if (x > 10) {14        return x;15    }16    return 10;17}18`;19const instrumenter = istanbulLibInstrument.createInstrumenter();20const instrumentedCode = instrumenter.instrumentSync(code, 'test.js');21console.log(instrumentedCode);22const branchCoverageByLine = istanbulLibInstrument.branchCoverageByLine(instrumentedCode);23console.log(branchCoverageByLine);24const istanbulLibReport = require('istanbul-lib-report');25const context = istanbulLibReport.createContext({26    watermarks: { statements: [50, 80], functions: [50, 80], branches: [50, 80], lines: [50, 80] }27});28const report = istanbulLibReport.createReport(['text', 'html'], {29    watermarks: { statements: [50, 80], functions: [50, 80], branches: [50, 80], lines: [50, 80] }30});31const watermarks = istanbulLibReport.createWatermarks({ statements: [50, 80], functions: [50, 80], branches: [50, 80], lines: [50, 80] });32const report = istanbulLibReport.reports.get('text');

Using AI Code Generation

1const istanbul = require('istanbul-lib-instrument');2const fs = require('fs');3const code = fs.readFileSync('example.js').toString();4const instrumenter = istanbul.createInstrumenter({coverageVariable: '__coverage__'});5const codeWithCoverage = instrumenter.instrumentSync(code, 'example.js');6console.log(codeWithCoverage);7const branchCoverage = instrumenter.branchCoverageByLine();8console.log(branchCoverage);9#### `createInstrumenter(opts)`10#### `instrumentSync(code, filename)`11#### `instrument(code, filename, callback)`12#### `lastSourceMap()`13#### `lastFileCoverage()`14#### `lastStatementMap()`15#### `lastBranchMap()`16#### `lastFunctionMap()`17#### `lastCoverage()`18#### `branchCoverageByLine()`19#### `statementCoverageByLine()`20#### `functionCoverageByLine()`21#### `coverageData()`22#### `resetCoverage()`

Using AI Code Generation

1const { branchCoverageByLine } = require('istanbul-lib-instrument');2const { parse } = require('@babel/parser');3const { default: traverse } = require('@babel/traverse');4const { default: generate } = require('@babel/generator');5const { default: t } = require('@babel/types');6const fs = require('fs');7const path = require('path');8const code = fs.readFileSync(path.join(__dirname, 'test.js'), 'utf8');9const ast = parse(code, {10});11traverse(ast, {12  Program(path) {13    const branchCoverage = branchCoverageByLine(path.node);14    for (const [line, coverage] of Object.entries(branchCoverage)) {15      console.log(line, coverage);16    }17  },18});

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