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How to use computeBranchTotals method in istanbul

Best JavaScript code snippet using istanbul

file-coverage.js

Source:file-coverage.js

...243        };244        ret.pct = percent(ret.covered, ret.total);245        return ret;246    }247    computeBranchTotals(property) {248        const stats = this[property];249        const ret = { total: 0, covered: 0, skipped: 0 };250        Object.values(stats).forEach(branches => {251            ret.covered += branches.filter(hits => hits > 0).length;252            ret.total += branches.length;253        });254        ret.pct = percent(ret.covered, ret.total);255        return ret;256    }257    /**258     * resets hit counts for all statements, functions and branches259     * in this coverage object resulting in zero coverage.260     */261    resetHits() {262        const statements = this.s;263        const functions = this.f;264        const branches = this.b;265        const branchesTrue = this.bT;266        Object.keys(statements).forEach(s => {267            statements[s] = 0;268        });269        Object.keys(functions).forEach(f => {270            functions[f] = 0;271        });272        Object.keys(branches).forEach(b => {273            branches[b].fill(0);274        });275        // Tracking additional information about branch truthiness276        // can be optionally enabled:277        if (branchesTrue) {278            Object.keys(branchesTrue).forEach(bT => {279                branchesTrue[bT].fill(0);280            });281        }282    }283    /**284     * returns a CoverageSummary for this file coverage object285     * @returns {CoverageSummary}286     */287    toSummary() {288        const ret = {};289        ret.lines = this.computeSimpleTotals('getLineCoverage');290        ret.functions = this.computeSimpleTotals('f', 'fnMap');291        ret.statements = this.computeSimpleTotals('s', 'statementMap');292        ret.branches = this.computeBranchTotals('b');293        // Tracking additional information about branch truthiness294        // can be optionally enabled:295        if (this['bt']) {296            ret.branchesTrue = this.computeBranchTotals('bT');297        }298        return new CoverageSummary(ret);299    }300}301// expose coverage data attributes302dataProperties(FileCoverage, [303    'path',304    'statementMap',305    'fnMap',306    'branchMap',307    's',308    'f',309    'b',310    'bT',...

Using AI Code Generation

1const istanbulAPI = require('istanbul-api');2const istanbulLibCoverage = require('istanbul-lib-coverage');3const istanbulLibReport = require('istanbul-lib-report');4const istanbulReports = require('istanbul-reports');5const map = istanbulLibCoverage.createCoverageMap();6const report = istanbulReports.create('text-summary');7map.addFileCoverage(JSON.parse(fs.readFileSync('coverage/coverage-final.json', 'utf8')));8const context = istanbulLibReport.createContext({9});10const tree = istanbulLibReport.summarizers.pkg(map);11const flat = istanbulLibReport.summarizers.flat(map, {12});13report.on('done', function () {14});15report.execute(flat, context);

Using AI Code Generation

1var istanbul = require('istanbul');2var collector = new istanbul.Collector();3var reporter = new istanbul.Reporter();4var sync = false;5collector.add(__coverage__);6reporter.add('text');7reporter.addAll([ 'lcov', 'text-summary' ]);8reporter.write(collector, sync, function () { console.log('done'); });

Using AI Code Generation

1var istanbul = require('istanbul');2var collector = new istanbul.Collector();3var reporter = new istanbul.Reporter();4var sync = false;5collector.add({6    'path/to/file.js': {7        s: { 1: 0, 2: 1, 3: 0 },8        b: { 1: [0, 1], 2: [1, 0] },9        f: { 1: 0, 2: 1 },10        fnMap: { 1: { name: 'bar', line: 2, loc: { start: { line: 2, column: 4 }, end: { line: 2, column: 7 } } }, 2: { name: '(anonymous_1)', line: 1, loc: { start: { line: 1, column: 15 }, end: { line: 1, column: 18 } } } },11        statementMap: { 1: { start: { line: 1, column: 0 }, end: { line: 1, column: 18 } }, 2: { start: { line: 2, column: 0 }, end: { line: 2, column: 11 } }, 3: { start: { line: 3, column: 0 }, end: { line: 3, column: 2 } } },12        branchMap: { 1: { line: 1, type: 'binary-expr', locations: [{ start: { line: 1, column: 15 }, end: { line: 1, column: 16 } }, { start: { line: 1, column: 20 }, end: { line: 1, column: 21 } }] }, 2: { line: 2, type: 'if', locations: [{ start: { line: 2, column: 4 }, end: { line: 2, column: 4 } }, { start: { line: 2, column: 4 }, end: { line: 2, column: 4 } }] } }13    }14});15reporter.add('text');16reporter.addAll([ 'lcov', 'json' ]);17reporter.write(collector, sync, function

Using AI Code Generation

1const libCoverage = require('istanbul-lib-coverage');2const map = libCoverage.createCoverageMap();3map.addFileCoverage(4    {5        "statementMap": {6            "0": {7                "start": {8                },9                "end": {10                }11            },12            "1": {13                "start": {14                },15                "end": {16                }17            }18        },19        "fnMap": {20            "0": {21                "name": "(anonymous_0)",22                "decl": {23                    "start": {24                    },25                    "end": {26                    }27                },28                "loc": {29                    "start": {30                    },31                    "end": {32                    }33                },34            },35            "1": {36                "name": "(anonymous_1)",37                "decl": {38                    "start": {39                    },40                    "end": {41                    }42                },43                "loc": {44                    "start": {45                    },46                    "end": {47                    }48                },49            }50        },51        "branchMap": {52            "0": {53                "loc": {54                    "start": {55                    },56                    "end": {57                    }58                },59                "locations": [{60                        "start": {61                        },62                        "end": {

Using AI Code Generation

1const istanbul = require('istanbul-lib-report');2const context = istanbul.createContext();3const tree = istanbul.utils.summarizeCoverage(coverageMap);4const report = istanbul.create('text', {});5report.execute(context, tree);6const branchTotals = context.computeBranchTotals(tree);7### `createContext(opts)`8- `coverageMap` - An optional [istanbul-lib-coverage](

Using AI Code Generation

1const istanbulLibReport = require('istanbul-lib-report');2const istanbulLibCoverage = require('istanbul-lib-coverage');3const istanbulReports = require('istanbul-reports');4const fs = require('fs');5const path = require('path');6const reportDir = 'coverage';7const reportJson = require(path.join(reportDir, 'coverage-final.json'));8const coverageMap = istanbulLibCoverage.createCoverageMap(reportJson);9const context = istanbulLibReport.createContext({10  watermarks: istanbulReports.getWatermarks()11});12const tree = istanbulLibReport.summarizers.pkg(coverageMap);13const report = istanbulLibReport.create('json', {});14report.on('done', function() {15  const reportJson = report.getFinalReport();16  const files = Object.keys(reportJson.files);17  const fileBranchTotals = files.map(file => {18    const fileReport = reportJson.files[file];19      ? Object.keys(fileReport.branchMap).map(branchKey => {20          const branch = fileReport.branchMap[branchKey];21          const branchCoverage = fileReport.b[branchKey];22          const branchTotal = branchCoverage.length;23          const branchCovered = branchCoverage.filter(branch => branch === 1)24            .length;25          return {26          };27        })28      : [];29    return {30    };31  });32  console.log(JSON.stringify(fileBranchTotals, null, 2));33});34report.execute(context, tree);

Using AI Code Generation

1const libCoverage = require('istanbul-lib-coverage');2const path = require('path');3const map = libCoverage.createCoverageMap();4const fileCoverage = map.addFileCoverage({5    path: path.resolve('test.js'),6    statementMap: {7        0: {8            start: {9            },10            end: {11            }12        },13        1: {14            start: {15            },16            end: {17            }18        }19    },20    fnMap: {21        0: {22            decl: {23                start: {24                },25                end: {26                }27            },28            loc: {29                start: {30                },31                end: {32                }33            },34        }35    },36    branchMap: {37        0: {38            locations: [{39                start: {40                },41                end: {42                }43            }, {44                start: {45                },46                end: {47                }48            }]49        }50    },51    s: {52    },53    b: {54    },55    f: {56    },57    fnMap: {58        0: {59            decl: {60                start: {61                },62                end: {63                }64            },65            loc: {66                start: {67                },

Using AI Code Generation

1const path = require('path');2const libCoverage = require('istanbul-lib-coverage');3const libReport = require('istanbul-lib-report');4const reports = require('istanbul-reports');5const fs = require('fs');6const map = libCoverage.createCoverageMap();7const coverage = JSON.parse(fs.readFileSync(path.join(__dirname, 'coverage/coverage-final.json'), 'utf8'));8map.merge(coverage);9const context = libReport.createContext({10    dir: path.join(__dirname, 'coverage'),11    watermarks: { statements: [50, 80], functions: [50, 80], branches: [50, 80], lines: [50, 80] }12});13const tree = libReport.summarizers.pkg(map);14const report = reports.create('text', {15});16report.execute(tree, context);17const path = require('path');18const libCoverage = require('istanbul-lib-coverage');19const libReport = require('istanbul-lib-report');20const reports = require('istanbul-reports');21const fs = require('fs');22const map = libCoverage.createCoverageMap();23const coverage = JSON.parse(fs.readFileSync(path.join(__dirname, 'coverage/coverage-final.json'), 'utf8'));24map.merge(coverage);25const context = libReport.createContext({26    dir: path.join(__dirname, 'coverage'),27    watermarks: { statements: [50, 80], functions: [50, 80], branches: [50, 80], lines: [50, 80] }28});29const tree = libReport.summarizers.pkg(map);30const report = reports.create('text', {31});32report.execute(tree, context);33const path = require('path');34const libCoverage = require('istanbul-lib-coverage');35const libReport = require('istanbul-lib-report');36const reports = require('istanbul-reports');

Using AI Code Generation

1var fs = require('fs');2var libCoverage = require('istanbul-lib-coverage');3var map = libCoverage.createCoverageMap();4var mapData = fs.readFileSync('coverage/coverage-final.json', 'utf8');5map.data = JSON.parse(mapData);6var branchCoverage = map.computeBranchTotals('all');7fs.writeFileSync('coverage/branchCoverage.json', JSON.stringify(branchCoverage));

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