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How to use tryThis method in istanbul

Best JavaScript code snippet using istanbul

regress-101488.js

Source:regress-101488.js

...45var expectedvalues = [];46var arr = [];47status = inSection(1);48arr = Array();49tryThis('arr.length = new Number(1);');50actual = arr.length;51expect = 1;52addThis();53status = inSection(2);54arr = Array(5);55tryThis('arr.length = new Number(1);');56actual = arr.length;57expect = 1;58addThis();59status = inSection(3);60arr = Array();61tryThis('arr.length = new Number(17);');62actual = arr.length;63expect = 17;64addThis();65status = inSection(4);66arr = Array(5);67tryThis('arr.length = new Number(17);');68actual = arr.length;69expect = 17;70addThis();71/*72 * Also try the above with the "new" keyword before Array().73 * Array() and new Array() should be equivalent, by ECMA 15.4.1.174 */75status = inSection(5);76arr = new Array();77tryThis('arr.length = new Number(1);');78actual = arr.length;79expect = 1;80addThis();81status = inSection(6);82arr = new Array(5);83tryThis('arr.length = new Number(1);');84actual = arr.length;85expect = 1;86addThis();87arr = new Array();88tryThis('arr.length = new Number(17);');89actual = arr.length;90expect = 17;91addThis();92status = inSection(7);93arr = new Array(5);94tryThis('arr.length = new Number(17);');95actual = arr.length;96expect = 17;97addThis();98//-----------------------------------------------------------------------------99test();100//-----------------------------------------------------------------------------101function tryThis(s)102{103  try 104  {105    eval(s);106  }107  catch(e)108  {109    // keep going110  }111}112function addThis()113{114  statusitems[UBound] = status;115  actualvalues[UBound] = actual;...

solve.js

Source:solve.js

1/**2*  The checkBox, checkRow, and checkCol functions and the backtracking logic3*  are done with the help, and  permission, of the code written by4*  Carlino Gonzalez --> https://github.com/carlinoo5*  ,and adjusted for the purpose of this assignment by Georgios Kyriakou.6**/7const express=require('express');8const router = express.Router();9var board;10router.post('/solve',(req,res,next)=>{11	this.board = req.body.puzzle;12	let solved= [];13	let tryThis = 1;14	let stack = [];15	let number_of_gaps=0;16	let cur = 0;17	let k=0;18	let start =new Date();19	for(let i=0;i<this.board.length;i++)20	if(this.board[i]==0)21	number_of_gaps +=1;22	while(stack.length!=number_of_gaps){23		k++;24		if(k>1500000){25			return res.json({'error':true,'msg':'Too many cycles ran (>1500000), with no solution.'});26		}27		if (this.board[cur] == 0) {28			if (!checkCol(cur, tryThis, this.board) && !checkRow(cur, tryThis, this.board) && !checkBox(cur, tryThis, this.board)&& tryThis<10){//legal value29				this.board[cur] = tryThis;30				stack.push(cur);31				tryThis = 1;32				cur++;33			} else {34				if(tryThis>9){35					this.board[cur]=0;36					cur = stack.pop();37					tryThis = this.board[cur];38					this.board[cur]=0;39				}40				tryThis++;41			}42		}43		else {44			cur++;45			tryThis = 1;46		}47	}48	let end= new Date();49	let duration = end- start;50	res.json({'error':false,'solution':this.board, 'tries':k, 'time':duration});51});52function checkBox(i, num, board) {53	let toCheck = i;54	let x = (i % 9);55	let y = Math.floor(i / 9);56	i = i - (x % 3);57	i = i - (y % 3)*9;58	for (let k = i; k < i+3; k++) {         //check first row of 3x3 box59		if (board[k] == num && k!=toCheck) {60			return 1;61		}62	}63	for (let k = i+9; k < i+12; k++) {    //check second row of 3x3 box64		if (board[k] == num && k!=toCheck) {65			return 1;66		}67	}68	for (let k = i+18; k < i+21; k++) {   ////check third row of 3x3 box69		if (board[k] == num && k!=toCheck) {70			return 1;71		}72	}73	return 0;74}75function checkRow(i, num, board) {76	let toCheck = i77	i = Math.floor(i/9)*9;78	for (var k = i; k < i+9; k++) {79		if (board[k] == num && k!=toCheck) {80			return 1;81		}82	}83	return 0;84}85function checkCol(i, num, board) {86	let toCheck= i;87	i = (i % 9);88	var m = i;89	for (var k = i; k < i+9; k++) {90		if (board[m] == num && m!=toCheck) {91			return 1;92		}93		m = m + 9;94	}95	return 0;96}...

es6.js

Source:es6.js

1var esprima = require('esprima');2function tryThis(str, feature) {3    try {4        /*jshint evil: true */5        eval(str);6    } catch (ex) {7        console.error('ES6 feature [' + feature + '] is not available in this environment');8        return false;9    }10   // esprima parses sources with sourceType 'script' per default.11   // The only way to enable `import`/`export` is to parse as sourceType 'module'.12   try {13       try {14           esprima.parse(str);15       } catch (ex) {16           esprima.parse(str, { sourceType: 'module' });17       }18   } catch (ex) {19       console.error('ES6 feature [' + feature + '] is not yet supported by esprima mainline');20       return false;21   }22    return true;23}24module.exports = {25    isYieldAvailable: function () {26        return tryThis('function *foo() { yield 1; }', 'yield');27    },28    isSuperAvailable: function () {29        return tryThis('class Test extends Object { constructor() { super(); } }\nnew Test();', 'super');30    },31    isForOfAvailable: function () {32        return tryThis('function *foo() { yield 1; }\n' +33            'for (var k of foo()) {}', 'for-of');34    },35    isArrowFnAvailable: function () {36        return tryThis('[1 ,2, 3].map(x => x * x)', 'arrow function');37    },38    isImportAvailable: function () {39        return tryThis('import fs from "fs"', 'import');40    },41    isExportAvailable: function () {42        // We can test instrumentation of exports even if the environment doesn't support them.43        return true;44    }...

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');6fs.writeFileSync('test.js', 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');12fs.writeFileSync('test.js', 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');18fs.writeFileSync('test.js', 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');24fs.writeFileSync('test.js', 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');30fs.writeFileSync('test.js', 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');36fs.writeFileSync('test.js', instrumentedCode);37var istanbul = require('istanbul');

Using AI Code Generation

1var istanbul = require('istanbul');2var instrumenter = new istanbul.Instrumenter();3var fs = require('fs');4var path = require('path');5var code = fs.readFileSync(path.join(__dirname, 'test.js'), 'utf8');6var instrumentedCode = instrumenter.instrumentSync(code, 'test.js');7eval(instrumentedCode);8tryThis();9function tryThis() {10  console.log('tryThis');11}12var istanbul = require.resolve('istanbul');13I am trying to use istanbul to instrument my code. I have installed istanbul globally and locally. I have also tried using require.resolve() to get the path of istanbul module and then using that path in

Using AI Code Generation

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

Using AI Code Generation

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

Using AI Code Generation

1var istanbul = require('istanbul');2var coverageVariable = '__coverage__';3var collector = new istanbul.Collector();4var reporter = new istanbul.Reporter();5var sync = false;6var test = require('./test.js');7test.tryThis();8collector.add(global[coverageVariable]);9reporter.add('lcov');10reporter.write(collector, sync, function () {11    console.log('All reports generated');12});13module.exports = function(config) {14  config.set({

Using AI Code Generation

1require('istanbul').instrumenter.instrumentSync = function() {2    return {3        code: 'tryThis(function() {',4        coverage: {}5    };6};7require('istanbul').instrumenter.lastFileCoverage = function() {8    return {};9};10require('istanbul').instrumenter.lastSourceMap = function() {11    return {};12};13require('istanbul').instrumenter.instrumentSync = function() {14    return {15        code: 'tryThis(function() {',16        coverage: {}17    };18};19require('istanbul').instrumenter.lastFileCoverage = function() {20    return {};21};22require('istanbul').instrumenter.lastSourceMap = function() {23    return {};24};25require('istanbul').instrumenter.instrumentSync = function() {26    return {27        code: 'tryThis(function() {',28        coverage: {}29    };30};31require('istanbul').instrumenter.lastFileCoverage = function() {32    return {};33};34require('istanbul').instrumenter.lastSourceMap = function() {35    return {};36};37require('istanbul').instrumenter.instrumentSync = function() {38    return {39        code: 'tryThis(function() {',40        coverage: {}41    };42};43require('istanbul').instrumenter.lastFileCoverage = function() {44    return {};45};46require('istanbul').instrumenter.lastSourceMap = function() {47    return {};48};49require('istanbul').instrumenter.instrumentSync = function() {50    return {51        code: 'tryThis(function() {',52        coverage: {}53    };54};55require('istanbul').instrumenter.lastFileCoverage = function() {56    return {};57};58require('istanbul').instrumenter.lastSourceMap = function() {59    return {};60};61require('istanbul').instrumenter.instrumentSync = function() {62    return {63        code: 'tryThis(function() {',64        coverage: {}65    };66};

Using AI Code Generation

1require('istanbul').hook.hookRequire();2var test = require('./test.js');3test.tryThis();4exports.tryThis = function(){5    try{6        console.log('try');7    }catch(e){8        console.log('catch');9    }10}

Using AI Code Generation

1function tryThis(){2    try{3        console.log('try');4    }catch(e){5        console.log('catch');6    }7}8require('istanbul').hook.hookRequire();9var test = require('./test.js');10test.tryThis();11exports.tryThis = function(){12    try{13        console.log('try');14    }catch(e){15        console.log('catch');16    }17}

Using AI Code Generation

1require('istanbul').hook.hookRequire();2require('./src/tryThis');3var tryThis = function(){4};5var tryThis = require('../src/tryThis');6describe("tryThis", function(){7  it("should try this", function(){8  });9});

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