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How to use ContentWriter method in istanbul

Best JavaScript code snippet using istanbul

file-writer.js

Source:file-writer.js

...17 * @class ContentWriter18 * @constructor19 */20/* istanbul ignore next: abstract class */21function ContentWriter() {}22/**23 * writes a string as-is to the destination24 * @param {String} str the string to write25 */26/* istanbul ignore next: abstract class */27ContentWriter.prototype.write = function() {28    throw new Error('write: must be overridden');29};30/**31 * returns the colorized version of a string. Typically,32 * content writers that write to files will return the33 * same string and ones writing to a tty will wrap it in34 * appropriate escape sequences.35 * @param {String} str the string to colorize36 * @param {String} clazz one of `high`, `medium` or `low`37 * @returns {String} the colorized form of the string38 */39ContentWriter.prototype.colorize = function(str /*, clazz*/) {40    return str;41};42/**43 * writes a string appended with a newline to the destination44 * @param {String} str the string to write45 */46ContentWriter.prototype.println = function(str) {47    this.write(str + '\n');48};49/**50 * closes this content writer. Should be called after all writes are complete.51 */52ContentWriter.prototype.close = function() {};53/**54 * a content writer that writes to a file55 * @param {Number} fd - the file descriptor56 * @extends ContentWriter57 * @constructor58 */59function FileContentWriter(fd) {60    this.fd = fd;61}62util.inherits(FileContentWriter, ContentWriter);63FileContentWriter.prototype.write = function(str) {64    fs.writeSync(this.fd, str);65};66FileContentWriter.prototype.close = function() {67    fs.closeSync(this.fd);68};69/**70 * a content writer that writes to the console71 * @extends ContentWriter72 * @constructor73 */74function ConsoleWriter() {}75util.inherits(ConsoleWriter, ContentWriter);76// allow stdout to be captured for tests.77let capture = false;78let output = '';79ConsoleWriter.prototype.write = function(str) {80    if (capture) {81        output += str;82    } else {83        process.stdout.write(str);84    }85};86ConsoleWriter.prototype.colorize = function(str, clazz) {87    const colors = {88        low: '31;1',89        medium: '33;1',90        high: '32;1'91    };92    /* istanbul ignore next: different modes for CI and local */93    if (supportsColor.stdout && colors[clazz]) {94        return '\u001b[' + colors[clazz] + 'm' + str + '\u001b[0m';95    }96    return str;97};98/**99 * utility for writing files under a specific directory100 * @class FileWriter101 * @param {String} baseDir the base directory under which files should be written102 * @constructor103 */104function FileWriter(baseDir) {105    if (!baseDir) {106        throw new Error('baseDir must be specified');107    }108    this.baseDir = baseDir;109}110/**111 * static helpers for capturing stdout report output;112 * super useful for tests!113 */114FileWriter.startCapture = function() {115    capture = true;116};117FileWriter.stopCapture = function() {118    capture = false;119};120FileWriter.getOutput = function() {121    return output;122};123FileWriter.resetOutput = function() {124    output = '';125};126/**127 * returns a FileWriter that is rooted at the supplied subdirectory128 * @param {String} subdir the subdirectory under which to root the129 *  returned FileWriter130 * @returns {FileWriter}131 */132FileWriter.prototype.writerForDir = function(subdir) {133    if (isAbsolute(subdir)) {134        throw new Error(135            'Cannot create subdir writer for absolute path: ' + subdir136        );137    }138    return new FileWriter(this.baseDir + '/' + subdir);139};140/**141 * copies a file from a source directory to a destination name142 * @param {String} source path to source file143 * @param {String} dest relative path to destination file144 * @param {String} [header=undefined] optional text to prepend to destination145 *  (e.g., an "this file is autogenerated" comment, copyright notice, etc.)146 */147FileWriter.prototype.copyFile = function(source, dest, header) {148    if (isAbsolute(dest)) {149        throw new Error('Cannot write to absolute path: ' + dest);150    }151    dest = path.resolve(this.baseDir, dest);152    mkdirp.sync(path.dirname(dest));153    let contents;154    if (header) {155        contents = header + fs.readFileSync(source, 'utf8');156    } else {157        contents = fs.readFileSync(source);158    }159    fs.writeFileSync(dest, contents);160};161/**162 * returns a content writer for writing content to the supplied file.163 * @param {String|null} file the relative path to the file or the special164 *  values `"-"` or `null` for writing to the console165 * @returns {ContentWriter}166 */167FileWriter.prototype.writeFile = function(file) {168    if (file === null || file === '-') {169        return new ConsoleWriter();170    }171    if (isAbsolute(file)) {172        throw new Error('Cannot write to absolute path: ' + file);173    }174    file = path.resolve(this.baseDir, file);175    mkdirp.sync(path.dirname(file));176    return new FileContentWriter(fs.openSync(file, 'w'));177};...

index.js

Source:index.js

1/*2 Copyright 2012-2015, Yahoo Inc.3 Copyrights licensed under the New BSD License. See the accompanying LICENSE file for terms.4 */5'use strict';6const { ReportBase } = require('istanbul-lib-report');7class JsonSummaryReport extends ReportBase {8    constructor(opts) {9        super();10        this.file = opts.file || 'coverage-summary.json';11        this.contentWriter = null;12        this.first = true;13    }14    onStart(root, context) {15        this.contentWriter = context.writer.writeFile(this.file);16        this.contentWriter.write('{');17    }18    writeSummary(filePath, sc) {19        const cw = this.contentWriter;20        if (this.first) {21            this.first = false;22        } else {23            cw.write(',');24        }25        cw.write(JSON.stringify(filePath));26        cw.write(': ');27        cw.write(JSON.stringify(sc));28        cw.println('');29    }30    onSummary(node) {31        if (!node.isRoot()) {32            return;33        }34        this.writeSummary('total', node.getCoverageSummary());35    }36    onDetail(node) {37        this.writeSummary(38            node.getFileCoverage().path,39            node.getCoverageSummary()40        );41    }42    onEnd() {43        const cw = this.contentWriter;44        cw.println('}');45        cw.close();46    }47}...

Using AI Code Generation

1var istanbul = require('istanbul');2var collector = new istanbul.Collector();3collector.add(__coverage__);4var reporter = new istanbul.Reporter();5reporter.add('json');6reporter.write(collector, true, function() {7    console.log('All reports generated');8});9var istanbul = require('istanbul');10var collector = new istanbul.Collector();11collector.add(__coverage__);12var reporter = new istanbul.Reporter();13reporter.add('json');14reporter.write(collector, true, function() {15    console.log('All reports generated');16});

Using AI Code Generation

1var istanbul = require('istanbul');2var collector = new istanbul.Collector();3var reporter = new istanbul.Reporter();4reporter.add('text');5collector.add(coverage);6reporter.write(collector, true, function () {7    console.log('All reports generated');8});9var istanbul = require('istanbul');10var collector = new istanbul.Collector();11var reporter = new istanbul.Reporter();12reporter.add('text');13collector.add(coverage);14reporter.write(collector, true, function () {15    console.log('All reports generated');16});

Using AI Code Generation

1var istanbul = require('istanbul');2var collector = new istanbul.Collector();3var reporter = new istanbul.Reporter();4var sync = false;5var contentWriter = new istanbul.Reporter.ContentWriter({sync: sync});6reporter.add('text');7reporter.addAll(['lcov']);8reporter.write(collector, sync, function() {9    console.log('done!');10});11        var columns = opts.columns || ['file', 'statement', 'branch', 'function', 'line', 'method', 'class'];12    at TextReport.Report.mix.writeDetail (/Users/xxx/node_modules/istanbul/lib/report/text.js:30:33)13    at TextReport.Report.mix.writeReport (/Users/xxx/node_modules/istanbul/lib/report/text.js:20:14)14    at SyncFileWriter.extend.writeFile (/Users/xxx/node_modules/istanbul/lib/util/file-writer.js:57:9)15    at FileWriter.extend.writeFile (/Users/xxx/node_modules/istanbul/lib/util/file-writer.js:147:23)16    at Array.forEach (native)17    at Reporter.write (/Users/xxx/node_modules/istanbul/lib/reporter.js:289:23)

Using AI Code Generation

1var istanbul = require('istanbul');2var collector = new istanbul.Collector();3var reporter = new istanbul.Reporter();4var sync = false;5collector.add(global.__coverage__);6reporter.add('text');7reporter.write(collector, sync, function () {8    console.log('All reports generated');9});10{11    "C:\\Users\\user\\Desktop\\test\\test.js": {12        "s": {

Using AI Code Generation

1var istanbulLibReport = require('istanbul-lib-report');2var istanbulReports = require('istanbul-reports');3var path = require('path');4var fs = require('fs');5var mkdirp = require('mkdirp');6var libReport = istanbulLibReport.create('json');7var context = istanbulLibReport.createContext({8});9var tree = istanbulLibReport.summarizers.pkg(libReport.getFinalCoverage());10libReport.writeReport(tree, context);11console.log('Report generated at ' + path.resolve('reports', 'coverage.json'));12var istanbulLibReport = require('istanbul-lib-report');13var istanbulReports = require('istanbul-reports');14var path = require('path');15var fs = require('fs');16var mkdirp = require('mkdirp');17var libReport = istanbulLibReport.create('json');18var context = istanbulLibReport.createContext({19});20var tree = istanbulLibReport.summarizers.pkg(libReport.getFinalCoverage());21libReport.writeReport(tree, context);22console.log('Report generated at ' + path.resolve('reports', 'coverage.json'));23var istanbulLibReport = require('istanbul-lib-report');24var istanbulReports = require('istanbul-reports');25var path = require('path');26var fs = require('fs');27var mkdirp = require('mkdirp');28var libReport = istanbulLibReport.create('json');29var context = istanbulLibReport.createContext({30});31var tree = istanbulLibReport.summarizers.pkg(libReport.getFinalCoverage());32libReport.writeReport(tree, context);33console.log('Report generated at ' + path.resolve('reports', 'coverage.json'));34var istanbulLibReport = require('istanbul-lib-report');35var istanbulReports = require('istanbul-reports');36var path = require('path');37var fs = require('fs');38var mkdirp = require('

Using AI Code Generation

1const istanbul = require('istanbul-lib-report');2const context = istanbul.createContext();3const report = istanbul.create('json', {});4const writer = report.createWriter();5writer.writeReport(context, {});6writer.on('done', function () {7  console.log('done');8});9writer.on('error', function (error) {10  console.error(error);11});

Using AI Code Generation

1var istanbul = require('istanbul');2var collector = new istanbul.Collector();3var reporter = new istanbul.Reporter();4var instrumented = require('./instrumented.js');5instrumented();6collector.add(require('./coverage/coverage.json'));7reporter.add('text');8reporter.write(collector, true, function () {9    console.log('done');10});

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