Join the 1-day Testing & QA Summit featuring 15+ Expert Speakers.Register for FREE! Join TestMu Conference

How to use walker.isLabeled method in istanbul

Best JavaScript code snippet using istanbul

instrumenter.js

Source:instrumenter.js

...800            );801            this.splice(incrStatementCount, node, walker);802        },803        splice: function (statements, node, walker) {804            var targetNode = walker.isLabeled() ? walker.parent().node : node;805            targetNode.prepend = targetNode.prepend || [];806            pushAll(targetNode.prepend, statements);807        },808        functionName: function (node, line, location) {809            this.currentState.func += 1;810            var id = this.currentState.func,811                ignoring = !!this.currentState.ignoring,812                name = node.id ? node.id.name : '(anonymous_' + id + ')',813                clone = function (attr) {814                    var obj = location[attr] || /* istanbul ignore next */ {};815                    return { line: obj.line, column: obj.column };816                };817            this.coverState.fnMap[id] = {818                name: name, line: line,...

Using AI Code Generation

1var istanbul = require('istanbul');2var walker = istanbul.utils.walker;3var esprima = require('esprima');4var fs = require('fs');5var code = fs.readFileSync('test.js', 'utf-8');6var ast = esprima.parse(code);7var labeled = walker.isLabeled(ast);8console.log(labeled);

Using AI Code Generation

1const istanbul = require('istanbul-lib-instrument');2const walker = istanbul.createWalker();3const esprima = require('esprima');4const fs = require('fs');5const code = fs.readFileSync('test.js', 'utf8');6const ast = esprima.parse(code);7walker.walk(ast, function (node) {8    if (walker.isLabeled(node)) {9        console.log(node);10    }11});12{ type: 'LabeledStatement',13  label: { type: 'Identifier', name: 'foo' },14  body: { type: 'ExpressionStatement', expression: { type: 'Literal', value: 1 } } }

Using AI Code Generation

1const istanbul = require('istanbul-lib-instrument');2const fs = require('fs');3const walker = istanbul.createWalker({4});5const code = fs.readFileSync('test.js', 'utf8');6const instrumented = walker.instrumentSync(code, 'test.js');7console.log(instrumented);

Using AI Code Generation

1var fs = require('fs');2var istanbul = require('istanbul');3var instrumenter = new istanbul.Instrumenter();4var walker = istanbul.utils.codegen.getSimpleWalker();5var code = fs.readFileSync('./test.js', 'utf8');6var instrumentedCode = instrumenter.instrumentSync(code, './test.js');7walker.walk(instrumentedCode, function (node) {8    if (node.type === 'Identifier' && node.name === 'foo') {9        if (istanbul.utils.codegen.isLabeled(node)) {10            console.log('foo is labeled');11        } else {12            console.log('foo is not labeled');13        }14    }15});

Using AI Code Generation

1var fs = require('fs');2var istanbul = require('istanbul');3var walker = istanbul.utils.walker;4var instrumenter = new istanbul.Instrumenter();5var code = fs.readFileSync('test.js', 'utf-8');6var instrumentedCode = instrumenter.instrumentSync(code, 'test.js');7fs.writeFileSync('test-instrumented.js', instrumentedCode, 'utf-8');8var map = instrumenter.lastSourceMap();9var ast = instrumenter.lastAST();10walker.walk(ast, function (node) {11    if (walker.isLabeled(node)) {12        console.log(node);13    }14});

Using AI Code Generation

1var istanbul = require('istanbul');2var walker = new istanbul.CodeWalker();3var code = 'var x = 1;';4var ast = istanbul.utils.parse(code);5walker.walk(ast, function (node) {6    if (walker.isLabeled(node)) {7        console.log('found labeled statement: ' + node.label.name);8    }9});10var istanbul = require('istanbul');11var walker = new istanbul.CodeWalker();12var code = 'var x = 1;';13var ast = istanbul.utils.parse(code);14walker.walk(ast, function (node) {15    if (walker.isLabeled(node)) {16        console.log('found labeled statement: ' + node.label.name);17    }18});19var istanbul = require('istanbul');20var walker = new istanbul.CodeWalker();21var code = 'var x = 1;';22var ast = istanbul.utils.parse(code);23walker.walk(ast, function (node) {24    if (walker.isLabeled(node)) {25        console.log('found labeled statement: ' + node.label.name);26    }27});28var istanbul = require('istanbul');29var walker = new istanbul.CodeWalker();30var code = 'var x = 1;';31var ast = istanbul.utils.parse(code);32walker.walk(ast, function (node) {33    if (walker.isLabeled(node)) {34        console.log('found labeled statement: ' + node.label.name);35    }36});37var istanbul = require('istanbul');38var walker = new istanbul.CodeWalker();39var code = 'var x = 1;';40var ast = istanbul.utils.parse(code);41walker.walk(ast, function (node) {42    if (walker.isLabeled(node)) {43        console.log('found labeled statement: ' + node.label.name);44    }45});46var istanbul = require('istanbul');

Using AI Code Generation

1const istanbul = require('istanbul-lib-instrument');2const walker = new istanbul.CodeWalker();3const code = 'if (true) { console.log("hello"); }';4const ast = walker.parse(code);5const node = ast.body[0];6console.log(walker.isLabeled(node));

Using AI Code Generation

1var istanbul = require('istanbul');2var walker = new istanbul.CodeWalker();3var code = 'function foo() { bar(); }';4var ast = istanbul.parse(code);5var labeled = walker.isLabeled(ast);6console.log(labeled);

Using AI Code Generation

1var istanbul = require('istanbul');2var walker = istanbul.libReport.walkers.full;3var tree = {4        {5            getLabel: function () {6                return 'a';7            },8                {9                    getLabel: function () {10                        return 'b';11                    },12                        {13                            getLabel: function () {14                                return 'c';15                            }16                        }17                }18        },19        {20            getLabel: function () {21                return 'd';22            },23                {24                    getLabel: function () {25                        return 'e';26                    },27                        {28                            getLabel: function () {29                                return 'f';30                            }31                        }32                }33        }34};35var result = walker.isLabeled(tree.children[0].children[0].children[0]);36console.log(result);

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.