How to use AsyncFileWriter method in istanbul

Best JavaScript code snippet using istanbul

file-writer.js

Source:file-writer.js

...52    done: function () {53        this.emit('done'); //everything already done54    }55});56function AsyncFileWriter() {57    this.queue = async.queue(this.processFile.bind(this), 20);58    this.openFileMap = {};59}60util.inherits(AsyncFileWriter, Writer);61extend(AsyncFileWriter, {62    writeFile: function (file, callback) {63        this.openFileMap[file] = true;64        this.queue.push({ file: file, callback: callback });65    },66    processFile: function (task, cb) {67        var file = task.file,68            userCallback = task.callback,69            that = this,70            stream,71            contentWriter;72        mkdirp.sync(path.dirname(file));73        stream = fs.createWriteStream(file);74        stream.on('close', function () {75            delete that.openFileMap[file];76            cb();77            that.checkDone();78        });79        stream.on('error', function (err) { that.emit('error', err); });80        contentWriter = new StreamContentWriter(stream);81        userCallback(contentWriter);82        stream.end();83    },84    done: function () {85        this.doneCalled = true;86        this.checkDone();87    },88    checkDone: function () {89        if (!this.doneCalled) { return; }90        if (Object.keys(this.openFileMap).length === 0) {91            this.emit('done');92        }93    }94});95function FileWriter(sync) {96    Writer.call(this);97    var that = this;98    this.delegate = sync ? new SyncFileWriter() : new AsyncFileWriter();99    this.delegate.on('error', function (err) { that.emit('error', err); });100    this.delegate.on('done', function () { that.emit('done'); });101}102util.inherits(FileWriter, Writer);103extend(FileWriter, {104    copyFile: function (source, dest) {105        mkdirp.sync(path.dirname(dest));106        fs.writeFileSync(dest, fs.readFileSync(source));107    },108    writeFile: function (file, callback) {109        this.delegate.writeFile(file, callback);110    },111    done: function () {112        this.delegate.done();...

Using AI Code Generation

1var istanbul = require('istanbul');2var FileWriter = istanbul.FileWriter;3var AsyncFileWriter = istanbul.AsyncFileWriter;4var fileWriter = new FileWriter();5var asyncFileWriter = new AsyncFileWriter(fileWriter);6var collector = istanbul.Collector.create();7var report = istanbul.Report.create('lcov', {8});9var istanbulMiddleware = require('istanbul-middleware');10var express = require('express');11var app = express();12app.use('/coverage', istanbulMiddleware.createHandler());13var istanbul = require('istanbul');14var createReporter = require('karma-coverage-istanbul-reporter').createReporter;15var reporter = createReporter(new istanbul.Store());16reporter.add('test.js', 'coverage.json', function () {17    console.log('done');18});19var istanbul = require('istanbul');20var createReporter = require('karma-coverage-istanbul-reporter').createReporter;21var reporter = createReporter(new istanbul.Store());22reporter.add('test.js', 'coverage.json', function () {23    var istanbulMiddleware = require('istanbul-middleware');24    var express = require('express');25    var app = express();26    app.use('/coverage', istanbulMiddleware.createHandler());27    app.listen(3000);28});29### createReporter(store, [options])

Using AI Code Generation

1var istanbul = require('istanbul');2var collector = new istanbul.Collector();3var reporter = new istanbul.Reporter();4var sync = false;5var map = istanbul.utils.mergeFileCoverage(JSON.parse(fs.readFileSync('coverage.json', 'utf8')));6var fileWriter = new istanbul.FileWriter();7fileWriter.write(map, sync, function () {8    console.log('All reports generated');9});

Using AI Code Generation

1var istanbul = require('istanbul');2var collector = new istanbul.Collector();3var reporter = new istanbul.Reporter();4var sync = false;5var map = istanbul.utils.mergeFileCoverage(JSON.parse(fs.readFileSync('coverage.json', 'utf8')));6var fileWriter = new istanbul.FileWriter();7fileWriter.write(map, sync, function () {8    console.log('All reports generated');9});

Using AI Code Generation

1var AsyncFileWriter = require('istanbul').Writer.Writer;2var istanbul = require('istanbul');3var Report = istanbul.Report;4var collector = new istanbul.Collector();5var reporter = new istanbul.Reporter();6var sync = false;7var coverage = global.__coverage__ || {};8collector.add(coverage);9reporter.add('lcov');10var mkdirp = require('mkdirp');11mkdirp.sync('coverage');12reporter.write(collector, sync, function () {13console.log('All reports generated');14});15var AsyncFileWriter = require('istanbul').Writer.Writer;16var istanbul = require('istanbul');17var Report = istanbul.Report;18var collector = new istanbul.Collector();19var reporter = new istanbul.Reporter();20var sync = false;21var coverage = global.__coverage__ || {};22collector.add(coverage);23reporter.add('lcov');24var mkdirp = require('mkdirp');25mkdirp.sync('coverage');26reporter.write(collector, sync, function () {27console.log('All reports generated');28});29var AsyncFileWriter = require('istanbul').Writer.Writer;30var istanbul = require('istanbul');31var Report = istanbul.Report;32var collector = new istanbul.Collector();33var reporter = new istanbul.Reporter();34var sync = false;35var coverage = global.__coverage__ || {};36collector.add(coverage);37reporter.add('lcov');38var mkdirp = require('mkdirp');39mkdirp.sync('coverage');40reporter.write(collector, sync, function () {41console.log('All reports generated');42});43var AsyncFileWriter = require('istanbul').Writer.Writer;44var istanbul = require('istanbul');45var Report = istanbul.Report;

Using AI Code Generation

1var istanbul = require('istanbul');2var collector = new istanbul.Collector();3var reporter = new istanbul.Reporter();4var sync = false;5collector.add({6});7reporter.addAll([ 'lcov', 'json', 'text' ]);8reporter.write(collector, sync, function () {9    console.log('All reports generated');10});11var istanbul = require('istanbul');12var collector = new istanbul.Collector();13var reporter = new istanbul.Reporter();14var sync = false;15collector.add({16});17reporter.addAll([ 'lcov', 'json', 'text' ]);18reporter.write(collector, sync, function () {19    console.log('All reports generated');20});21    at Error (native)22var fs = require('fs');23var istanbul = require('istanbul');24var collector = new istanbul.Collector();25var reporter = new istanbul.Reporter();26collector.add({27});28reporter.addAll([ 'lcov', 'json', 'text' ]);29reporter.write(collector, true, function () {30    console.log('All reports generated');31});32fs.writeFile('coverage.json', JSON.stringify(collector.getFinalCoverage()), function (err) {33    if (err) {34        return console.log(err);35    }36    console.log('The file was saved!');37});38    at Error (native)39var fs = require('fs');40var istanbul = require('istanbul');41var collector = new istanbul.Collector();

Using AI Code Generation

1const { createReporter } = require('istanbul-api');2const { AsyncFileWriter } = require('istanbul-lib-report');3const { createCoverageMap } = require('istanbul-lib-coverage');4const map = createCoverageMap();5map.addFileCoverage({6    statementMap: {7        0: {8            start: { line: 1, column: 0 },9            end: { line: 1, column: 3 },10        },11    },12    fnMap: {13        0: {14            decl: { start: { line: 1, column: 9 }, end: { line: 1, column: 13 } },15            loc: { start: { line: 1, column: 9 }, end: { line: 1, column: 13 } },16        },17    },18    branchMap: {},19    s: { '0': 1 },20    f: { '0': 1 },21    b: {},22});23const reporter = createReporter();24reporter.add('lcov');25reporter.addAll(['text', 'text-summary']);26const sync = false;27const fileWriter = new AsyncFileWriter(sync);28reporter.write(map, {}, fileWriter);29fileWriter.on('done', () => {30    console.log('done writing');31});32### `createReporter([options])`

Using AI Code Generation

1var istanbul = require('istanbul');2var FileWriter = istanbul.Reporter.FileWriter;3var asyncFileWriter = new FileWriter();4asyncFileWriter.write = function (file, content, callback) {5    setTimeout(function () {6        console.log('writing ' + file);7        callback();8    }, 1000);9};10var collector = new istanbul.Collector();11var reporter = new istanbul.Reporter(null, 'coverage');12reporter.add('text');13reporter.addAll([ 'lcov', 'json', 'text-summary' ]);14reporter.write(collector, true, function () {15    console.log('All reports generated');16});17var istanbul = require('istanbul');18var FileWriter = istanbul.Reporter.FileWriter;19var asyncFileWriter = new FileWriter();20asyncFileWriter.write = function (file, content, callback) {21    setTimeout(function () {22        console.log('writing ' + file);23        callback();24    }, 1000);25};26var collector = new istanbul.Collector();27var reporter = new istanbul.Reporter(null, 'coverage');28reporter.add('text');29reporter.addAll([ 'lcov', 'json', 'text-summary' ]);30reporter.write(collector, true, function () {31    console.log('All reports generated');32});

Using AI Code Generation

1var istanbul = require('istanbul');2var collector = new istanbul.Collector();3var reporter = new istanbul.Reporter();4var sync = false;5var AsyncFileWriter = istanbul.AsyncFileWriter;6var file = 'coverage/coverage.json';7var writer = new AsyncFileWriter(file, sync);8collector.add(global.__coverage__);9reporter.add('json');10reporter.write(collector, true, function () {11    console.log('All reports generated');12});

Using AI Code Generation

1var istanbul = require('istanbul');2var FileWriter = istanbul.Reporter.FileWriter;3var asyncFileWriter = new FileWriter();4asyncFileWriter.write = function (file, content, callback) {5    setTimeout(function () {6        console.log('writing ' + file);7        callback();8    }, 1000);9};10var collector = new istanbul.Collector();11var reporter = new istanbul.Reporter(null, 'coverage');12reporter.add('text');13reporter.addAll([ 'lcov', 'json', 'text-summary' ]);14reporter.write(collector, true, function () {15    console.log('All reports generated');16});17var istanbul = require('istanbul');18var FileWriter = istanbul.Reporter.FileWriter;19var asyncFileWriter = new FileWriter();20asyncFileWriter.write = function (file, content, callback) {21    setTimeout(function () {22        console.log('writing ' + file);23        callback();24    }, 1000);25};26var collector = new istanbul.Collector();27var reporter = new istanbul.Reporter(null, 'coverage');28reporter.add('text');29reporter.addAll([ 'lcov', 'json', 'text-summary' ]);30reporter.write(collector, true, function () {31    console.log('All reports generated');32});

Automation Testing Tutorials

Learn to execute automation testing from scratch with LambdaTest Learning Hub. Right from setting up the prerequisites to run your first automation test, to following best practices and diving deeper into advanced test scenarios. LambdaTest Learning Hubs compile a list of step-by-step guides to help you be proficient with different test automation frameworks i.e. Selenium, Cypress, TestNG etc.