How to use mergeFileCoverage method in istanbul

Best JavaScript code snippet using istanbul

object-utils.js

Source:object-utils.js

...221     * @param {Object} second the second file coverage object for the same file222     * @return {Object} an object that is a result of merging the two. Note that223     *      the input objects are not changed in any way.224     */225    function mergeFileCoverage(first, second) {226        var ret = JSON.parse(JSON.stringify(first)),227            i;228        delete ret.l; //remove derived info229        Object.keys(second.s).forEach(function (k) {230            ret.s[k] += second.s[k];231        });232        Object.keys(second.f).forEach(function (k) {233            ret.f[k] += second.f[k];234        });235        Object.keys(second.b).forEach(function (k) {236            var retArray = ret.b[k],237                secondArray = second.b[k];238            for (i = 0; i < retArray.length; i += 1) {239                retArray[i] += secondArray[i];...

istanbul-utils.js

Source:istanbul-utils.js

...193   * @param {Object} second the second file coverage object for the same file194   * @return {Object} an object that is a result of merging the two. Note that195   *      the input objects are not changed in any way.196   */197  function mergeFileCoverage(first, second) {198    var ret = JSON.parse(JSON.stringify(first)),199      i;200    delete ret.l; //remove derived info201    Object.keys(second.s).forEach(function (k) {202      ret.s[k] += second.s[k];203    });204    Object.keys(second.f).forEach(function (k) {205      ret.f[k] += second.f[k];206    });207    Object.keys(second.b).forEach(function (k) {208      var retArray = ret.b[k],209        secondArray = second.b[k];210      for (i = 0; i < retArray.length; i += 1) {211        retArray[i] += secondArray[i];...

reporter.js

Source:reporter.js

1"use strict";2Object.defineProperty(exports, "__esModule", { value: true });3const istanbul_lib_coverage_1 = require("istanbul-lib-coverage");4const transform_1 = require("@jest/transform");5const reporters_1 = require("@jest/reporters");6const storage_1 = require("./storage");7class PuppeteerIstanbul extends reporters_1.CoverageReporter {8    constructor(globalConfig, _options) {9        const coverageReporters = [...(globalConfig.coverageReporters || [])];10        // Remove "text" or "text-summary" from the origin config. Because the text result output by11        // the origin CoverageReporter doesn't include puppeteer information.12        let reporterIndex;13        if ((reporterIndex = globalConfig.coverageReporters.indexOf("text")) >= 0)14            globalConfig.coverageReporters.splice(reporterIndex, 1);15        if ((reporterIndex = globalConfig.coverageReporters.indexOf("text-summary")) >= 0)16            globalConfig.coverageReporters.splice(reporterIndex, 1);17        super(Object.assign(Object.assign({}, globalConfig), { coverageReporters: coverageReporters }), _options);18        this.shouldInstrumentOptions = {19            collectCoverage: globalConfig.collectCoverage,20            collectCoverageFrom: globalConfig.collectCoverageFrom,21            collectCoverageOnlyFrom: globalConfig.collectCoverageOnlyFrom,22            coverageProvider: globalConfig.coverageProvider,23            changedFiles: undefined,24        };25        this.collectCoverage = globalConfig.collectCoverage;26        // Using environment variable to communicate between reporter and setup27        process.env.JEST_PUPPETEER_ISTANBUL_DIR = globalConfig.coverageDirectory;28        process.env.JEST_PUPPETEER_ISTANBUL_COVERAGE = this.collectCoverage ? "true" : "false";29        this.coverageStorage = new storage_1.CoverageStorage(globalConfig.coverageDirectory);30    }31    onRunStart(_results, _options) {32        debugger33        if (this.collectCoverage) {34            this.coverageStorage.delete();35            return super.onRunStart(_results, _options);36        }37    }38    onTestResult(test, testResult) {39        debugger40        if (this.collectCoverage) {41            const coverage = (0, istanbul_lib_coverage_1.createCoverageMap)({});42            const mergeFileCoverage = ([filename, fileCoverage]) => {43                if ((0, transform_1.shouldInstrument)(filename, this.shouldInstrumentOptions, test.context.config)) {44                    coverage.merge({ [filename]: fileCoverage });45                }46            };47            Object.entries(this.coverageStorage.read()).map(mergeFileCoverage);48            if (testResult.coverage) {49                Object.entries(testResult.coverage).map(mergeFileCoverage);50            }51            if (Object.keys(coverage).length) {52                testResult.coverage = coverage.data;53            }54            return super.onTestResult(test, testResult);55        }56    }57    onRunComplete(contexts, aggregatedResults) {58        debugger59        if (this.collectCoverage) {60            return super.onRunComplete(contexts, aggregatedResults);61        }62        else {63            return Promise.resolve();64        }65    }66}...

Using AI Code Generation

1const { mergeFileCoverage } = require('istanbul-lib-coverage');2const { createCoverageMap } = require('istanbul-lib-coverage');3const { createContext } = require('istanbul-lib-report');4const { createReport } = require('istanbul-lib-report');5const html = require('istanbul-reports').create('html');6const text = require('istanbul-reports').create('text');7const textSummary = require('istanbul-reports').create('text-summary');8const lcov = require('istanbul-reports').create('lcov');9const cobertura = require('istanbul-reports').create('cobertura');10const json = require('istanbul-reports').create('json');11const fs = require('fs');12const path = require('path');13const coverageMap = createCoverageMap({});14const reportDir = 'reports';15const context = createContext({16  sourceFinder: createCoverageMap()17});18const report = createReport(context, 'html', {});19const coverageDir = 'coverage';20const coverageFiles = fs.readdirSync(coverageDir).filter(function (file) {21  return file.match(/\.json$/) && !file.match(/\.json\.map$/);22});23coverageFiles.forEach(function (file) {24  const coverage = JSON.parse(fs.readFileSync(path.join(coverageDir, file), 'utf8'));25  coverageMap.mergeFileCoverage(coverage);26});

Using AI Code Generation

1const { mergeFileCoverage } = require('istanbul-lib-coverage');2const fileCoverage1 = {3    statementMap: {4        '0': {5            start: {6            },7            end: {8            }9        },10        '1': {11            start: {12            },13            end: {14            }15        }16    },17    fnMap: {},18    branchMap: {},19    s: {20    },21    f: {},22    b: {},23};24const fileCoverage2 = {25    statementMap: {26        '0': {27            start: {28            },29            end: {30            }31        },32        '1': {33            start: {34            },35            end: {36            }37        },38        '2': {39            start: {40            },41            end: {42            }43        }44    },45    fnMap: {},46    branchMap: {},47    s: {48    },49    f: {},50    b: {},

Using AI Code Generation

1const istanbulCoverage = require('istanbul-lib-coverage');2const mergeFileCoverage = istanbulCoverage.mergeFileCoverage;3const createFileCoverage = istanbulCoverage.createFileCoverage;4const fileCoverage1 = createFileCoverage('test1.js');5const fileCoverage2 = createFileCoverage('test2.js');6const mergedFileCoverage = mergeFileCoverage(fileCoverage1, fileCoverage2);7console.log(mergedFileCoverage);8const istanbulCoverage = require('istanbul-lib-coverage');9const createFileCoverage = istanbulCoverage.createFileCoverage;10const fileCoverage = createFileCoverage('test1.js');11console.log(fileCoverage);12const istanbulCoverage = require('istanbul-lib-coverage');13const createFileCoverage = istanbulCoverage.createFileCoverage;14const fileCoverage = createFileCoverage('test2.js');15console.log(fileCoverage);16Your name to display (optional):17Your name to display (optional):18const istanbulCoverage = require('istanbul-lib-coverage');19const mergeFileCoverage = istanbulCoverage.mergeFileCoverage;20const createFileCoverage = istanbulCoverage.createFileCoverage;21const fileCoverage1 = createFileCoverage('test1.js');22const fileCoverage2 = createFileCoverage('test2.js');23const mergedFileCoverage = mergeFileCoverage(fileCoverage1, fileCoverage2);24console.log(mergedFileCoverage);25Your name to display (optional):

Using AI Code Generation

1const mergeFileCoverage = require('istanbul-lib-coverage').mergeFileCoverage;2const fs = require('fs');3const path = require('path');4const coverage1 = JSON.parse(fs.readFileSync(path.join(__dirname, 'coverage1.json'), 'utf8'));5const coverage2 = JSON.parse(fs.readFileSync(path.join(__dirname, 'coverage2.json'), 'utf8'));6const mergedCoverage = mergeFileCoverage(coverage1, coverage2);7console.log(mergedCoverage);

Using AI Code Generation

1const istanbulApi = require('istanbul-api');2const istanbulLibCoverage = require('istanbul-lib-coverage');3const map = new Map();4const fileCoverage1 = istanbulLibCoverage.createFileCoverage('file1.js');5const fileCoverage2 = istanbulLibCoverage.createFileCoverage('file2.js');6map.set('file1.js', fileCoverage1);7map.set('file2.js', fileCoverage2);8const mergedFileCoverage = istanbulApi.mergeFileCoverage(map);9console.log(mergedFileCoverage);

Using AI Code Generation

1var istanbul = require('istanbul-lib-coverage');2var map = istanbul.createCoverageMap();3map.mergeFileCoverage({4  statementMap: {5    '0': {6      start: {7      },8      end: {9      }10    }11  },12  s: {13  }14});15console.log(map.data);16{ test.js:17   { path: 'test.js',18     statementMap: { '0': [Object] },19     s: { '0': 1 } } }20var istanbul = require('istanbul-lib-coverage');21var map = istanbul.createCoverageMap();22map.mergeFileCoverage({23  statementMap: {24    '0': {25      start: {26      },27      end: {28      }29    }30  },31  s: {32  }33});34map.mergeFileCoverage({35  statementMap: {36    '0': {37      start: {38      },39      end: {40      }41    }42  },43  s: {44  }45});46console.log(map.data);47{ test.js:48   { path: 'test.js',49     statementMap: { '0': [Object] },50     s: { '0': 1 } },51   { path: 'test1.js',52     statementMap: { '0': [Object] },53     s: { '0': 1 } } }54{ test.js:55   { path: 'test.js',

Using AI Code Generation

1const istanbulCoverage = require('istanbul-lib-coverage');2const { createCoverageMap } = istanbulCoverage;3const coverageMap = createCoverageMap();4const coverageMap2 = createCoverageMap();5coverageMap.addFileCoverage({6    statementMap: { 0: { start: { line: 1, column: 0 }, end: { line: 1, column: 1 } } },7    fnMap: {},8    branchMap: {},9    s: { 0: 1 },10    f: {},11    b: {},12});13coverageMap2.addFileCoverage({14    statementMap: { 0: { start: { line: 1, column: 0 }, end: { line: 1, column: 1 } } },15    fnMap: {},16    branchMap: {},17    s: { 0: 1 },18    f: {},19    b: {},20});21coverageMap.merge(coverageMap2);22console.log(coverageMap);23CoverageMap {24  data: {25    'src/file1.js': FileCoverage {26      fnMap: {},27      branchMap: {},28      f: {},29      b: {},30    },31    'src/file2.js': FileCoverage {32      fnMap: {},33      branchMap: {},34      f: {},35      b: {},36    }37  }38}39const istanbulCoverage = require('istanbul-lib-coverage');40const { createCoverageMap } = istanbulCoverage;41const coverageMap = createCoverageMap();42const coverageMap2 = createCoverageMap();43coverageMap.addFileCoverage({44    statementMap: { 0: { start: { line: 1, column: 0 },

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