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How to use handleEsprima method in istanbul

Best JavaScript code snippet using istanbul

server.js

Source:server.js

...18    response.setHeader('content-type', 'text/html');19    var template = templateFor('index.html');20    response.end(template({ demo: server.demo ? 'yes' : '' }));21}22function handleEsprima(request, response) {23    response.setHeader('content-type', 'application/javascript');24    response.end(esprimaSource, 'utf8');25}26function handleEscodegen(request, response) {27    response.setHeader('content-type', 'application/javascript');28    response.end(escodegenSource, 'utf8');29}30function handleInstrumenter(request, response) {31    response.setHeader('content-type', 'application/javascript');32    var iPath = path.resolve(__dirname, '..', '..', '..', 'lib', 'instrumenter.js'),33        instrumenterSource = fs.readFileSync(iPath, 'utf8');34    if (server.instrumenter) {35        response.end(server.instrumenter.instrumentSync(instrumenterSource, iPath), 'utf8');36    } else {37        response.end(instrumenterSource, 'utf8');38    }39}40function handleFile(request, response) {41    try {42        var file = path.resolve(server.rootPath, request.url.substring(1)),43            content;44        content = fs.readFileSync(file, 'utf8');45        response.setHeader('content-type', 'text/plain');46        response.end(content, 'utf8');47    } catch (ex) {48        console.error(ex.message);49        response.statusCode = 404;50        response.end();51    }52}53function getData(request, callback) {54    var data = '';55    request.setEncoding('utf8');56    request.on('data', function (rdata) { data += rdata; });57    request.on('end', function () {58        callback(data);59    });60}61function handleInstrumented(request, response) {62    var script,63        ok = true,64        err = null;65    getData(request, function (data) {66        server.emit('instrumented', request.url.substring(1), data);67        try {68            script = vm.createScript(data, request.url);69        } catch (ex) {70            console.error('Invalid JS returned for:' + request.url);71            ok = false;72            err = ex.message || ex.toString();73        }74        response.setHeader('content-type', 'application/json');75        response.end(JSON.stringify({ ok: ok, err: err }), 'utf8');76    });77}78function handleEnd(request, response) {79    var ok = true,80        obj;81    getData(request, function (data) {82        try {83            obj = JSON.parse(data);84        } catch (ex) {85            console.error(ex.message || ex);86            console.error(ex.stack);87            ok = false;88        }89        server.emit('done', obj);90        response.end(JSON.stringify({ ok: ok }, 'utf8'));91    });92}93function handler(request, response) {94    console.log(request.method + ' ' + request.url);95    if (request.method === 'GET') {96        switch (request.url) {97        case '/':98            handleInitialPage(request, response);99            break;100        case '/_esprima.js':101            handleEsprima(request, response);102            break;103        case '/_escodegen.js':104            handleEscodegen(request, response);105            break;106        case '/_instrumenter.js':107            handleInstrumenter(request, response);108            break;109        default:110            handleFile(request, response);111            break;112        }113    } else if (request.method === 'POST') {114        switch (request.url) {115        case '/':...

Using AI Code Generation

1var istanbul = require('istanbul');2var instrumenter = new istanbul.Instrumenter();3var fs = require('fs');4var esprima = require('esprima');5var escodegen = require('escodegen');6var estraverse = require('estraverse');7var esprimaOptions = {8};9var code = fs.readFileSync('test.js', 'utf-8');10var ast = esprima.parse(code, esprimaOptions);11var instrumentedCode = instrumenter.instrumentSync(code, 'test.js');12var instrumentedAst = esprima.parse(instrumentedCode, esprimaOptions);13var instrumentedAst = instrumenter.instrumentASTSync(ast, 'test.js', code);14var instrumentedCode = escodegen.generate(instrumentedAst);15fs.writeFileSync('test-instrumented.js', instrumentedCode);16console.log(instrumentedCode);17var a = 10;18var b = 20;19var c = a + b;20console.log(c);21var __cov_3oLgF3z3e3q1x8Z1WYbEJQ = (Function('return this'))();22if (!__cov_3oLgF3z3e3q1x8Z1WYbEJQ.__coverage__) { __cov_3oLgF3z3e3q1x8Z1WYbEJQ.__coverage__ = {}; }23__cov_3oLgF3z3e3q1x8Z1WYbEJQ = __cov_3oLgF3z3e3q1x8Z1WYbEJQ.__coverage__;24if (!(__cov_3oLgF3z3e3q1x8Z1WYbEJQ['test.js'])) {25   __cov_3oLgF3z3e3q1x8Z1WYbEJQ['test.js'] = {"path":"test.js","s":{"1":0,"2":0,"3":0,"4":0},"b":{},"f":{"1":0},"fnMap":{"1":{"name":"(anonymous_1)","line":

Using AI Code Generation

1var istanbul = require('istanbul');2var instrumenter = new istanbul.Instrumenter();3var fs = require('fs');4var code = fs.readFileSync('test.js', 'utf-8');5var instrumentedCode = instrumenter.instrumentSync(code, 'test.js');6console.log(instrumentedCode);7var istanbul = require('istanbul');8var instrumenter = new istanbul.Instrumenter();9var fs = require('fs');10var code = fs.readFileSync('test.js', 'utf-8');11var instrumentedCode = instrumenter.instrumentSync(code, 'test.js');12console.log(instrumentedCode);13var istanbul = require('istanbul');14var instrumenter = new istanbul.Instrumenter();15var fs = require('fs');16var code = fs.readFileSync('test.js', 'utf-8');17var instrumentedCode = instrumenter.instrumentSync(code, 'test.js');18console.log(instrumentedCode);19var istanbul = require('istanbul');20var instrumenter = new istanbul.Instrumenter();21var fs = require('fs');22var code = fs.readFileSync('test.js', 'utf-8');23var instrumentedCode = instrumenter.instrumentSync(code, 'test.js');24console.log(instrumentedCode);25var istanbul = require('istanbul');26var instrumenter = new istanbul.Instrumenter();27var fs = require('fs');28var code = fs.readFileSync('test.js', 'utf-8');29var instrumentedCode = instrumenter.instrumentSync(code, 'test.js');30console.log(instrumentedCode);31var istanbul = require('istanbul');32var instrumenter = new istanbul.Instrumenter();33var fs = require('fs');34var code = fs.readFileSync('test.js', 'utf-8');35var instrumentedCode = instrumenter.instrumentSync(code, 'test.js');36console.log(instrumentedCode);

Using AI Code Generation

1var istanbul = require('istanbul');2var instrumenter = new istanbul.Instrumenter();3var fs = require('fs');4var code = fs.readFileSync('test.js', 'utf8');5var instrumentedCode = instrumenter.instrumentSync(code, 'test.js');6console.log(instrumentedCode);7var istanbul = require('istanbul');8var instrumenter = new istanbul.Instrumenter();9var fs = require('fs');10var code = fs.readFileSync('test.js', 'utf8');11var instrumentedCode = instrumenter.instrumentSync(code, 'test.js');12console.log(instrumentedCode);13var istanbul = require('istanbul');14var instrumenter = new istanbul.Instrumenter();15var fs = require('fs');16var code = fs.readFileSync('test.js', 'utf8');17var instrumentedCode = instrumenter.instrumentSync(code, 'test.js');18console.log(instrumentedCode);19var istanbul = require('istanbul');20var instrumenter = new istanbul.Instrumenter();21var fs = require('fs');22var code = fs.readFileSync('test.js', 'utf8');23var instrumentedCode = instrumenter.instrumentSync(code, 'test.js');24console.log(instrumentedCode);25var istanbul = require('istanbul');26var instrumenter = new istanbul.Instrumenter();27var fs = require('fs');28var code = fs.readFileSync('test.js', 'utf8');29var instrumentedCode = instrumenter.instrumentSync(code, 'test.js');30console.log(instrumentedCode);31var istanbul = require('istanbul');32var instrumenter = new istanbul.Instrumenter();33var fs = require('fs');34var code = fs.readFileSync('test.js', 'utf8');35var instrumentedCode = instrumenter.instrumentSync(code, 'test.js');36console.log(instrumentedCode);37var istanbul = require('istanbul');38var instrumenter = new istanbul.Instrumenter();39var fs = require('fs');

Using AI Code Generation

1var istanbul = require('istanbul');2var esprima = require('esprima');3var fs = require('fs');4var code = fs.readFileSync('test.js', 'utf8');5var instrumentedCode = istanbul.handleEsprima(code, esprima.parse);6var istanbul = require('istanbul');7var esprima = require('esprima');8var fs = require('fs');9var code = fs.readFileSync('test.js', 'utf8');10var instrumentedCode = istanbul.handleEsprima(code, esprima.parse);11var istanbul = require('istanbul');12var esprima = require('esprima');13var fs = require('fs');14var code = fs.readFileSync('test.js', 'utf8');15var instrumentedCode = istanbul.handleEsprima(code, esprima.parse);16var istanbul = require('istanbul');17var esprima = require('esprima');18var fs = require('fs');19var code = fs.readFileSync('test.js', 'utf8');20var instrumentedCode = istanbul.handleEsprima(code, esprima.parse);21var istanbul = require('istanbul');22var esprima = require('esprima');23var fs = require('fs');24var code = fs.readFileSync('test.js', 'utf8');25var instrumentedCode = istanbul.handleEsprima(code, esprima.parse);26var istanbul = require('istanbul');27var esprima = require('esprima');28var fs = require('fs');29var code = fs.readFileSync('test.js', 'utf8');30var instrumentedCode = istanbul.handleEsprima(code, esprima.parse);31var istanbul = require('istanbul');32var esprima = require('esprima');33var fs = require('fs');34var code = fs.readFileSync('test.js', 'utf8');35var instrumentedCode = istanbul.handleEsprima(code

Using AI Code Generation

1const handleEsprima = require('istanbul-lib-instrument').handleEsprima;2const esprima = require('esprima');3const code = 'var x = 10;';4const ast = esprima.parse(code, {loc: true});5const instrumentedAst = handleEsprima(ast);6console.log(instrumentedAst);7const instrumenter = require('istanbul-lib-instrument').createInstrumenter();8const code = 'var x = 10;';9const instrumentedCode = instrumenter.instrumentSync(code, 'test.js');10console.log(instrumentedCode);11const instrumenter = require('istanbul-lib-instrument').createInstrumenter();12const code = 'var x = 10;';13instrumenter.instrument(code, 'test.js', function(err, instrumentedCode) {14  console.log(instrumentedCode);15});16const instrumenter = require('istanbul-lib-instrument').createInstrumenter();17const code = 'var x = 10;';18instrumenter.instrument(code, 'test.js')19  .then(function(instrumentedCode) {20    console.log(instrumentedCode);21  });22const instrumenter = require('istanbul-lib-instrument').createInstrumenter();23const code = 'var x = 10;';24const instrumentedCode = await instrumenter.instrument(code, 'test.js');25console.log(instrumentedCode);26const instrumenter = require('istanbul-lib-instrument').createInstrumenter();27const code = 'var x = 10;';28const instrumentedCode = instrumenter.instrumentSync(code, 'test.js');29console.log(instrumentedCode);30const instrumenter = require('istanbul-lib-instrument').createInstrumenter();31const code = 'var x = 10;';32const instrumentedCode = instrumenter.instrumentSync(code, 'test.js', function(err, instrumentedCode) {33  console.log(instrumentedCode);34});35const instrumenter = require('istanbul-lib

Using AI Code Generation

1const handleEsprima = require('istanbul-lib-instrument').handleEsprima;2const esprima = require('esprima');3const code = 'var x = 1;';4const instrumentedCode = handleEsprima(esprima, code, {coverageVariable: '__coverage__'});5console.log(instrumentedCode);6const handleEspree = require('istanbul-lib-instrument').handleEspree;7const espree = require('espree');8const code = 'var x = 1;';9const instrumentedCode = handleEspree(espree, code, {coverageVariable: '__coverage__'});10console.log(instrumentedCode);11var x = 1;12var x = 1;13var x = 1;14if (!global.__coverage__['/Users/username/test.js']) { global.__coverage__['/Users/username/test.js'] = {"path":"/Users/username/test.js","s":{"1":0},"b":{},"f":{},"fnMap":{},"statementMap":{"1":{"start":{"line":1,"column":0},"end":{"line":1,"column":9}}},"branchMap":{}}; }15if (!global.__coverage__['/Users/username/test.js'].s['1']) { global.__coverage__['/Users/username/test.js'].s['1'] = 0; }16global.__coverage__['/Users/username/test.js'].s['1']++;17var x = 1;18if (!global.__coverage__['/Users/username/test2.js']) { global.__coverage__['/Users/username/test2.js'] = {"path":"/Users/username/test2.js","s":{"1":0},"b":{},"f":{},"fnMap":{},"statementMap":{"1":{"start":{"line":1,"column":0},"end":{"line":1,"column":9}}},"branchMap":{}}; }19if (!global.__coverage__['/Users/username/test2.js'].s

Using AI Code Generation

1var istanbul = require('istanbul');2var instrumenter = new istanbul.Instrumenter();3var code = 'var foo = function () { return 42; };';4instrumenter.instrument(code, 'test.js', function (err, instrumentedCode) {5  console.log(instrumentedCode);6});

Using AI Code Generation

1const istanbul = require('istanbul');2const esprima = require('esprima');3const escodegen = require('escodegen');4const code = 'var x = 1 + 1';5const ast = esprima.parse(code);6const instrumented = istanbul.handleEsprima(ast);7const code2 = escodegen.generate(instrumented);8console.log(code2);9const istanbul = require('istanbul');10const espree = require('espree');11const escodegen = require('escodegen');12const code = 'var x = 1 + 1';13const ast = espree.parse(code);14const instrumented = istanbul.handleEspree(ast);15const code2 = escodegen.generate(instrumented);16console.log(code2);17const istanbul = require('istanbul');18const acorn = require('acorn');19const escodegen = require('escodegen');20const code = 'var x = 1 + 1';21const ast = acorn.parse(code);22const instrumented = istanbul.handleAcorn(ast);23const code2 = escodegen.generate(instrumented);24console.log(code2);25const istanbul = require('istanbul');26const babel = require('babel-core');27const escodegen = require('escodegen');28const code = 'var x = 1 + 1';29const ast = babel.transform(code);30const instrumented = istanbul.handleBabel(ast);31const code2 = escodegen.generate(instrumented);32console.log(code2);33const istanbul = require('istanbul');

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