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How to use addInstrumentCandidate method in istanbul

Best JavaScript code snippet using istanbul

coverage.js

Source:coverage.js

...16 * ```17 *  //Node unit tests18 *  var coverage = require('/path/to/this/file');19 *  coverage.hookRequire(); // hooks require for instrumentation20 *  coverage.addInstrumentCandidate(file); // adds a file that needs to be instrumented; should be called before file is `require`d21 *22 *  //Browser tests23 *  var coverage = require('/path/to/this/file');24 *  var instrumentedCode = coverage.instrumentFile(file); //alternatively, use `instrumentCode` if you have already loaded the code25 *  //collect coverage from the browser26 *  // this coverage will be stored as `window.__coverage__`27 *  // and...28 *  coverage.addCoverage(coverageObject); // rinse and repeat29 *  ```30 *31 *  //in all cases, add an exit handler to the process32 *  process.once('exit', function () { coverage.writeReports(outputDir); }); //write coverage reports33 */34/**35 * adds a file as a candidate for instrumentation when require is hooked36 * @method addInstrumentCandidate37 * @param file the file to add as an instrumentation candidate38 */39function addInstrumentCandidate(file) {40    file = path.resolve(file);41    fileMap[file] = true;42}43/**44 * hooks require to instrument all files that have been specified as instrumentation candidates45 * @method hookRequire46 * @param verbose true for debug messages47 */48function hookRequire(verbose) {49    var matchFn = function (file) {50        var match = fileMap[file],51            what = match ? 'Hooking' : 'NOT hooking';52        if (verbose) { console.log(what + file); }53        return match;...

Using AI Code Generation

1const istanbulApi = require('istanbul-api');2const istanbulReports = require('istanbul-reports');3const istanbulLibInstrument = require('istanbul-lib-instrument');4const instrumenter = istanbulLibInstrument.createInstrumenter();5const map = istanbulLibInstrument.createCoverageMap();6const instrumented = instrumenter.instrumentSync('var a = 1 + 2;', 'test.js');7const instrumented2 = instrumenter.instrumentSync('var b = 1 + 2;', 'test2.js');8const context = istanbulApi.createCoverageContext({9});10const report = istanbulReports.create('text');11report.execute(context);12    at CoverageMap.addInstrumentCandidate (C:\Users\myusername\Desktop\test\node_modules\istanbul-lib-instrument\lib\coverage-map.js:76:50)13    at Object.<anonymous> (C:\Users\myusername\Desktop\test\test.js:12:6)14    at Module._compile (module.js:652:30)15    at Object.Module._extensions..js (module.js:663:10)16    at Module.load (module.js:565:32)17    at tryModuleLoad (module.js:505:12)18    at Function.Module._load (module.js:497:3)19    at Function.Module.runMain (module.js:693:10)20    at startup (bootstrap_node.js:188:16)

Using AI Code Generation

1var istanbul = require('istanbul');2var instrumenter = new istanbul.Instrumenter();3var code = 'var a = 1 + 2;';4instrumenter.addInstrumentCandidate(code, 'test.js');5instrumenter.instrument(code, 'test.js', function (err, code) {6    console.log(code);7});8var a = 1 + 2;

Using AI Code Generation

1var istanbul = require('istanbul');2var instrumenter = new istanbul.Instrumenter();3instrumenter.addInstrumentCandidate('test.js', 'test.js');4instrumenter.instrument('test.js', 'test.js', function(err, code) {5    console.log(code);6});7var istanbul = require('istanbul');8var instrumenter = new istanbul.Instrumenter();9instrumenter.addInstrumentCandidate('test.js', 'test.js');10instrumenter.instrument('test.js', 'test.js', function(err, code) {11    console.log(code);12});

Using AI Code Generation

1var istanbul = require('istanbul');2var instrumenter = new istanbul.Instrumenter();3instrumenter.addInstrumentCandidate('var foo = 1;');4var istanbul = require('istanbul');5var instrumenter = new istanbul.Instrumenter();6instrumenter.addInstrumentCandidate('var foo = 1;');7var istanbul = require('istanbul');8var instrumenter = new istanbul.Instrumenter();9instrumenter.addInstrumentCandidate('var foo = 1;');10var istanbul = require('istanbul');11var instrumenter = new istanbul.Instrumenter();12instrumenter.addInstrumentCandidate('var foo = 1;');13var istanbul = require('istanbul');14var instrumenter = new istanbul.Instrumenter();15instrumenter.addInstrumentCandidate('var foo = 1;');16var istanbul = require('istanbul');17var instrumenter = new istanbul.Instrumenter();18instrumenter.addInstrumentCandidate('var foo = 1;');19var istanbul = require('istanbul');20var instrumenter = new istanbul.Instrumenter();21instrumenter.addInstrumentCandidate('var foo = 1;');22var istanbul = require('istanbul');23var instrumenter = new istanbul.Instrumenter();24instrumenter.addInstrumentCandidate('var foo = 1;');25var istanbul = require('istanbul');26var instrumenter = new istanbul.Instrumenter();27instrumenter.addInstrumentCandidate('var foo = 1;');28var istanbul = require('istanbul');

Using AI Code Generation

1var istanbul = require('istanbul');2var instrumenter = new istanbul.Instrumenter();3var instrumenterAPI = new istanbul.InstrumenterAPI();4var instrumenterOptions = {5};6var instrumenterAPIOptions = {7};8instrumenter.instrumentSync('var a = 1;', 'test.js');9instrumenterAPI.addInstrumentCandidate('var a = 1;', 'test.js');10instrumenter.instrumentSync('var a = 1;', 'test.js', instrumenterOptions);11instrumenterAPI.addInstrumentCandidate('var a = 1;', 'test.js', instrumenterAPIOptions);12var istanbul = require('istanbul');13var instrumenter = new istanbul.Instrumenter();14var instrumenterAPI = new istanbul.InstrumenterAPI();15var instrumenterOptions = {16};17var instrumenterAPIOptions = {18};19instrumenter.instrumentSync('var a = 1;', 'test.js');20instrumenterAPI.addInstrumentCandidate('var a = 1;', 'test.js');21instrumenter.instrumentSync('var a = 1;', 'test.js', instrumenterOptions);22instrumenterAPI.addInstrumentCandidate('var a = 1;', 'test.js', instrumenterAPIOptions);23var istanbul = require('istanbul');24var instrumenter = new istanbul.Instrumenter();25var instrumenterAPI = new istanbul.InstrumenterAPI();26var instrumenterOptions = {27};28var instrumenterAPIOptions = {29};30instrumenter.instrumentSync('var a = 1;', 'test.js');31instrumenterAPI.addInstrumentCandidate('var a = 1;', 'test.js');32instrumenter.instrumentSync('var a = 1;', 'test.js', instrumenterOptions);33instrumenterAPI.addInstrumentCandidate('var a = 1;', 'test.js', instrumenterAPIOptions);34var istanbul = require('istanbul');

Using AI Code Generation

1var istanbul = require('istanbul-api');2var instrumenter = istanbul.libInstrument.createInstrumenter();3instrumenter.addInstrumentCandidate('test.js');4instrumenter.instrumentSync('test.js', 'test.js');5var istanbul = require('istanbul-lib-instrument');6var instrumenter = istanbul.createInstrumenter();7instrumenter.addInstrumentCandidate('test.js');8instrumenter.instrumentSync('test.js', 'test.js');9var istanbul = require('istanbul-lib-instrument');10var instrumenter = istanbul.createInstrumenter();11instrumenter.addInstrumentCandidate('test.js');12instrumenter.instrumentSync('test.js', 'test.js');13var istanbul = require('istanbul-lib-instrument');14var instrumenter = istanbul.createInstrumenter();15instrumenter.addInstrumentCandidate('test.js');16instrumenter.instrumentSync('test.js', 'test.js');17var istanbul = require('istanbul-lib-instrument');18var instrumenter = istanbul.createInstrumenter();19instrumenter.addInstrumentCandidate('test.js');20instrumenter.instrumentSync('test.js', 'test.js');21var istanbul = require('istanbul-lib-instrument');22var instrumenter = istanbul.createInstrumenter();23instrumenter.addInstrumentCandidate('test.js');24instrumenter.instrumentSync('test.js', 'test.js');25var istanbul = require('istanbul-lib-instrument');26var instrumenter = istanbul.createInstrumenter();27instrumenter.addInstrumentCandidate('test.js');28instrumenter.instrumentSync('test.js', 'test.js');29var istanbul = require('istanbul-lib-instrument');30var instrumenter = istanbul.createInstrumenter();

Using AI Code Generation

1var instrumenter = new Instrumenter();2instrumenter.addInstrumentCandidate({3    source: 'var a = 1;'4});5var instrumentedCode = instrumenter.instrumentSync();6var instrumenter = new Instrumenter();7instrumenter.addInstrumentCandidate({8    source: 'var a = 2;'9});10var instrumentedCode = instrumenter.instrumentSync();11var instrumenter = new Instrumenter();12instrumenter.addInstrumentCandidate({13    source: 'var a = 3;'14});15var instrumentedCode = instrumenter.instrumentSync();16var instrumenter = new Instrumenter();17instrumenter.addInstrumentCandidate({18    source: 'var a = 4;'19});20var instrumentedCode = instrumenter.instrumentSync();21var instrumenter = new Instrumenter();22instrumenter.addInstrumentCandidate({23    source: 'var a = 5;'24});25var instrumentedCode = instrumenter.instrumentSync();26var instrumenter = new Instrumenter();27instrumenter.addInstrumentCandidate({28    source: 'var a = 6;'29});30var instrumentedCode = instrumenter.instrumentSync();31var instrumenter = new Instrumenter();32instrumenter.addInstrumentCandidate({33    source: 'var a = 7;'34});35var instrumentedCode = instrumenter.instrumentSync();36var instrumenter = new Instrumenter();37instrumenter.addInstrumentCandidate({38    source: 'var a = 8;'39});40var instrumentedCode = instrumenter.instrumentSync();

Using AI Code Generation

1var istanbul = require('istanbul');2var remap = require('remap-istanbul/lib/remap');3var report = require('istanbul-api').createReport();4var collector = new istanbul.Collector();5var instrumenter = new istanbul.Instrumenter();6var fs = require('fs');7var path = require('path');8var instrumentedCode = instrumenter.instrumentSync(fs.readFileSync('test.js', 'utf8'), 'test.js');9var map = remap(JSON.parse(fs.readFileSync('coverage/coverage-final.json', 'utf8')));10fs.writeFileSync('instrumented.js', instrumentedCode);11collector.add(map);12report.writeReport(collector, true);

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