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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);

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