A karma reporter that uses the latest istanbul 1.x APIs (with full sourcemap support) to report coverage. 

mattlewis92

karma-coverage-istanbul-reporter

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All notable changes to this project will be documented in this file. See [standard-version](https://github.com/conventional-changelog/standard-version) for commit guidelines.

### [3.0.1](https://github.com/mattlewis92/karma-coverage-istanbul-reporter/compare/v3.0.0...v3.0.1) (2020-05-04)

* set correct process exit code when thresholds are not met ([9ba3fe0](https://github.com/mattlewis92/karma-coverage-istanbul-reporter/commit/9ba3fe0acf3ee778518c154a8dd050584f47bc13)), closes [#80](https://github.com/mattlewis92/karma-coverage-istanbul-reporter/issues/80)

## [3.0.0](https://github.com/mattlewis92/karma-coverage-istanbul-reporter/compare/v2.1.1...v3.0.0) (2020-05-01)

* node 6 and node 8 are no longer supported. To use this package you must upgrade to node 10 or higher.

* If using threshold reporting and the programmatic karma api, then the exitCode will no longer be returned as 1 when thresholds are not met.

* upgrade to latest istanbul api ([28cbbfb](https://github.com/mattlewis92/karma-coverage-istanbul-reporter/commit/28cbbfb2cf8bd5b9533ceb489cc5047ff3def730))

## [2.1.1](https://github.com/mattlewis92/karma-coverage-istanbul-reporter/compare/v2.1.0...v2.1.1) (2019-11-21)

* add npm funding link ([ee9fb51](https://github.com/mattlewis92/karma-coverage-istanbul-reporter/commit/ee9fb51))

# [2.1.0](https://github.com/mattlewis92/karma-coverage-istanbul-reporter/compare/v2.0.6...v2.1.0) (2019-07-24)

* **config:** support istanbul-api instrumentation configuration ([c4f7a9c](https://github.com/mattlewis92/karma-coverage-istanbul-reporter/commit/c4f7a9c)), closes [#73](https://github.com/mattlewis92/karma-coverage-istanbul-reporter/issues/73)

## [2.0.6](https://github.com/mattlewis92/karma-coverage-istanbul-reporter/compare/v2.0.5...v2.0.6) (2019-07-20)

* get source code from sourceMapStore on write report ([619d90d](https://github.com/mattlewis92/karma-coverage-istanbul-reporter/commit/619d90d)), closes [#72](https://github.com/mattlewis92/karma-coverage-istanbul-reporter/issues/72)

## [2.0.5](https://github.com/mattlewis92/karma-coverage-istanbul-reporter/compare/v2.0.4...v2.0.5) (2019-02-17)

* correctly strip source file prefixes when no webpack.context is defined ([3c48bf8](https://github.com/mattlewis92/karma-coverage-istanbul-reporter/commit/3c48bf8))

* don't double-report files with mixed slashes in their names on windows ([38087c2](https://github.com/mattlewis92/karma-coverage-istanbul-reporter/commit/38087c2))

## [2.0.4](https://github.com/mattlewis92/karma-coverage-istanbul-reporter/compare/v2.0.3...v2.0.4) (2018-09-08)

* handle source roots being undefined on windows ([8eba911](https://github.com/mattlewis92/karma-coverage-istanbul-reporter/commit/8eba911)), closes [#55](https://github.com/mattlewis92/karma-coverage-istanbul-reporter/issues/55)

## [2.0.3](https://github.com/mattlewis92/karma-coverage-istanbul-reporter/compare/v2.0.2...v2.0.3) (2018-09-01)

* update istanbuljs to 2.x ([a835e22](https://github.com/mattlewis92/karma-coverage-istanbul-reporter/commit/a835e22)), closes [#52](https://github.com/mattlewis92/karma-coverage-istanbul-reporter/issues/52)

* use correct source file path separators on windows ([938e93c](https://github.com/mattlewis92/karma-coverage-istanbul-reporter/commit/938e93c)), closes [#47](https://github.com/mattlewis92/karma-coverage-istanbul-reporter/issues/47)

## [2.0.2](https://github.com/mattlewis92/karma-coverage-istanbul-reporter/compare/v2.0.1...v2.0.2) (2018-08-24)

* files with no coverage should be preserved by default ([#54](https://github.com/mattlewis92/karma-coverage-istanbul-reporter/issues/54)) ([e5a5545](https://github.com/mattlewis92/karma-coverage-istanbul-reporter/commit/e5a5545)), closes [#53](https://github.com/mattlewis92/karma-coverage-istanbul-reporter/issues/53)

## [2.0.1](https://github.com/mattlewis92/karma-coverage-istanbul-reporter/compare/v2.0.0...v2.0.1) (2018-05-23)

* don't log errors twice when using multiple reporters ([a17b6ca](https://github.com/mattlewis92/karma-coverage-istanbul-reporter/commit/a17b6ca)), closes [#44](https://github.com/mattlewis92/karma-coverage-istanbul-reporter/issues/44)

# [2.0.0](https://github.com/mattlewis92/karma-coverage-istanbul-reporter/compare/v1.4.3...v2.0.0) (2018-05-17)

* drop support for node 4 ([26ad3af](https://github.com/mattlewis92/karma-coverage-istanbul-reporter/commit/26ad3af))

  "name": "karma-coverage-istanbul-reporter",

  "description": "A karma reporter that uses the latest istanbul 1.x APIs (with full sourcemap support) to report coverage.",

    "url": "https://github.com/sponsors/mattlewis92"

    "codecov": "cat coverage/lcov.info | codecov",

    "release": "standard-version && git push --follow-tags origin master",

    "url": "git+https://github.com/mattlewis92/karma-coverage-istanbul-reporter.git"

    "url": "https://github.com/mattlewis92/karma-coverage-istanbul-reporter/issues"

  "homepage": "https://github.com/mattlewis92/karma-coverage-istanbul-reporter#readme",

    "istanbul-lib-source-maps": "^4.0.0",

    "@commitlint/config-conventional": "^8.3.4",

    "coverage-istanbul-loader": "^3.0.3",

    "karma-phantomjs-launcher": "^1.0.2",

      "{test,tests,spec,__tests__}/fixture{s,}/**"

      "pre-commit": "pretty-quick --staged"

const libCoverage = require('istanbul-lib-coverage');

const libSourceMaps = require('istanbul-lib-source-maps');

const libReport = require('istanbul-lib-report');

const libReports = require('istanbul-reports');

function checkThresholds(thresholds, summary) {

  Object.keys(thresholds).forEach((key) => {

function CoverageIstanbulReporter(baseReporterDecorator, logger, config) {

  // Copied from https://github.com/angular/angular-cli/pull/9529/files

  // Fixes https://github.com/mattlewis92/karma-coverage-istanbul-reporter/issues/44

  const reporterName = 'coverage-istanbul';

    config.reporters.slice(-1).pop() !== reporterName;

  const log = logger.create('reporter.coverage-istanbul');

  const coverageConfig = Object.assign({}, config.coverageIstanbulReporter);

  function addCoverage(coverageMap, browser) {

    const coverage = browserCoverage.get(browser);

    Object.keys(coverage).forEach((filename) => {

      const fileCoverage = coverage[filename];

      if (fileCoverage.inputSourceMap && coverageConfig.fixWebpackSourcePaths) {

        fileCoverage.inputSourceMap = util.fixWebpackSourcePaths(

        coverageConfig.skipFilesWithNoCoverage &&

        Object.keys(fileCoverage.statementMap).length === 0 &&

        Object.keys(fileCoverage.fnMap).length === 0 &&

        Object.keys(fileCoverage.branchMap).length === 0

        log.debug(`File [${filename}] ignored, nothing could be mapped`);

        coverageMap.addFileCoverage(fileCoverage);

  function logThresholdMessage(thresholds, message) {

  async function createReport(browserOrBrowsers, results) {

  async function createReport(browserOrBrowsers) {

      !coverageConfig.combineBrowserReports && coverageConfig.dir

            dir: coverageConfig.dir.replace(

      instrumentation: Object.assign({}, coverageConfig.instrumentation),

      verbose: coverageConfig.verbose === true,

      reporting: Object.assign({}, coverageConfig, reportConfigOverride),

      summarizer: coverageConfig.summarizer,

    const reportTypes = reportConfig.reporting.reports;

    const coverageMap = libCoverage.createCoverageMap();

    const sourceMapStore = libSourceMaps.createSourceMapStore();

    if (coverageConfig.combineBrowserReports) {

      browserOrBrowsers.forEach((browser) => addCoverage(coverageMap, browser));

      addCoverage(coverageMap, browserOrBrowsers);

    const remappedCoverageMap = await sourceMapStore.transformCoverage(

    const { sourceFinder } = sourceMapStore;

    if (!coverageConfig.skipFilesWithNoCoverage) {

      // On Windows, istanbul returns files with mixed forward/backslashes in them

      remappedCoverageMap.files().forEach((path) => {

        fixedFilePaths[util.fixPathSeparators(path)] = true;

      coverageMap.files().forEach((path) => {

        if (!(util.fixPathSeparators(path) in fixedFilePaths)) {

          // Re-add empty coverage record

          remappedCoverageMap.addFileCoverage(path);

    log.debug('Writing coverage reports:', reportTypes);

    writeReports(reportConfig, remappedCoverageMap, sourceFinder);

    const userThresholds = coverageConfig.thresholds;

		@@ -5,2 +5,9 @@ # Changelog

		### [3.0.1](https://github.com/mattlewis92/karma-coverage-istanbul-reporter/compare/v3.0.0...v3.0.1) (2020-05-04)


		### Bug Fixes

		* set correct process exit code when thresholds are not met ([9ba3fe0](https://github.com/mattlewis92/karma-coverage-istanbul-reporter/commit/9ba3fe0acf3ee778518c154a8dd050584f47bc13)), closes [#80](https://github.com/mattlewis92/karma-coverage-istanbul-reporter/issues/80)

		## [3.0.0](https://github.com/mattlewis92/karma-coverage-istanbul-reporter/compare/v2.1.1...v3.0.0) (2020-05-01)
		@@ -13,2 +20,4 @@

		* If using threshold reporting and the programmatic karma api, then the exitCode will no longer be returned as 1 when thresholds are not met.

		### Features
		@@ -222,2 +231,2 @@

		* Initial release
		* Initial release

		{
		"name": "karma-coverage-istanbul-reporter",
		"version": "3.0.0",
		"version": "3.0.1",
		"description": "A karma reporter that uses the latest istanbul 1.x APIs (with full sourcemap support) to report coverage.",
		@@ -69,2 +69,3 @@ "funding": {
		"rimraf": "^3.0.2",
		"sinon": "^9.0.2",
		"standard-version": "^7.1.0",
		@@ -117,3 +118,6 @@ "ts-loader": "^7.0.2",
		}
		},
		"mocha": {
		"timeout": 10000
		}
		}

		@@ -77,3 +77,3 @@ const path = require('path');

		async function createReport(browserOrBrowsers, results) {
		async function createReport(browserOrBrowsers) {
		const reportConfigOverride =
		@@ -200,4 +200,6 @@ !coverageConfig.combineBrowserReports && coverageConfig.dir

		if (thresholdCheckFailed && results && !thresholds.emitWarning) {
		results.exitCode = 1;
		if (thresholdCheckFailed && !thresholds.emitWarning && config.singleRun) {
		process.on('exit', () => {
		process.exit(1);
		});
		}
		@@ -231,11 +233,9 @@ }
		const baseReporterOnRunComplete = this.onRunComplete;
		this.onRunComplete = async function (browsers, results) {
		this.onRunComplete = async function (browsers) {
		Reflect.apply(baseReporterOnRunComplete, this, arguments);

		if (coverageConfig.combineBrowserReports) {
		await createReport(browsers, results);
		await createReport(browsers);
		} else {
		await Promise.all(
		browsers.map((browser) => createReport(browser, results))
		);
		await Promise.all(browsers.map((browser) => createReport(browser)));
		}
		@@ -242,0 +242,0 @@ };

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