How to use astgen.postIncrement method in istanbul

Best JavaScript code snippet using istanbul

instrumenter.js

Source:instrumenter.js

...774                    return;775                }776                sName = this.statementName(node.loc);777                incrStatementCount = astgen.statement(778                    astgen.postIncrement(779                        astgen.subscript(780                            astgen.dot(astgen.variable(this.currentState.trackerVar), astgen.variable('s')),781                            astgen.stringLiteral(sName)782                        )783                    )784                );785                this.splice(incrStatementCount, node, walker);786            }787        },788        coverExport: function (node, walker) {789            var sName, incrStatementCount;790            if ( !node.declaration || !node.declaration.declarations ) { return; }791            this.maybeSkipNode(node, 'next');792            sName = this.statementName(node.declaration.loc);793            incrStatementCount = astgen.statement(794                astgen.postIncrement(795                    astgen.subscript(796                        astgen.dot(astgen.variable(this.currentState.trackerVar), astgen.variable('s')),797                        astgen.stringLiteral(sName)798                    )799                )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,819                loc: {820                    start: clone('start'),821                    end: clone('end')822                },823                skip: ignoring || undefined824            };825            this.coverState.f[id] = 0;826            return id;827        },828        coverFunction: function (node, walker) {829            var id,830                body = node.body,831                blockBody = body.body,832                popped;833            this.maybeSkipNode(node, 'next');834            id = this.functionName(node, walker.startLineForNode(node), {835                start: node.loc.start,836                end: { line: node.body.loc.start.line, column: node.body.loc.start.column }837            });838            if (blockBody.length > 0 && this.isUseStrictExpression(blockBody[0])) {839                popped = blockBody.shift();840            }841            blockBody.unshift(842                astgen.statement(843                    astgen.postIncrement(844                        astgen.subscript(845                            astgen.dot(astgen.variable(this.currentState.trackerVar), astgen.variable('f')),846                            astgen.stringLiteral(id)847                        )848                    )849                )850            );851            if (popped) {852                blockBody.unshift(popped);853            }854        },855        branchName: function (type, startLine, pathLocations) {856            var bName,857                paths = [],858                locations = [],859                i,860                ignoring = !!this.currentState.ignoring;861            this.currentState.branch += 1;862            bName = this.currentState.branch;863            for (i = 0; i < pathLocations.length; i += 1) {864                pathLocations[i].skip = pathLocations[i].skip || ignoring || undefined;865                locations.push(pathLocations[i]);866                paths.push(0);867            }868            this.coverState.b[bName] = paths;869            this.coverState.branchMap[bName] = { line: startLine, type: type, locations: locations };870            return bName;871        },872        branchIncrementExprAst: function (varName, branchIndex, down) {873            var ret = astgen.postIncrement(874                astgen.subscript(875                    astgen.subscript(876                        astgen.dot(astgen.variable(this.currentState.trackerVar), astgen.variable('b')),877                        astgen.stringLiteral(varName)878                    ),879                    astgen.numericLiteral(branchIndex)880                ),881                down882            );883            return ret;884        },885        locationsForNodes: function (nodes) {886            var ret = [],887                i;...

Using AI Code Generation

1var astgen = require('istanbul-lib-instrument').astgen;2var esprima = require('esprima');3var escodegen = require('escodegen');4var code = 'x = x + 1';5var ast = esprima.parse(code);6var node = ast.body[0].expression;7var newNode = astgen.postIncrement(node);8console.log(escodegen.generate(newNode));9var astgen = require('istanbul-lib-instrument').astgen;10var esprima = require('esprima');11var escodegen = require('escodegen');12var code = 'x = x - 1';13var ast = esprima.parse(code);14var node = ast.body[0].expression;15var newNode = astgen.postDecrement(node);16console.log(escodegen.generate(newNode));17var astgen = require('istanbul-lib-instrument').astgen;18var esprima = require('esprima');19var escodegen = require('escodegen');20var code = 'x = x + 1';21var ast = esprima.parse(code);22var node = ast.body[0].expression;23var newNode = astgen.prefixIncrement(node);24console.log(escodegen.generate(newNode));25var astgen = require('istanbul-lib-instrument').astgen;26var esprima = require('esprima');27var escodegen = require('escodegen');28var code = 'x = x - 1';29var ast = esprima.parse(code);30var node = ast.body[0].expression;31var newNode = astgen.prefixDecrement(node);32console.log(escodegen.generate(newNode));33var astgen = require('istanbul-lib-instrument').astgen;34var esprima = require('esprima');35var escodegen = require('escodegen');36var code = 'x = x + 1';

Using AI Code Generation

1var assert = require('assert');2var esprima = require('esprima');3var escodegen = require('escodegen');4var astgen = require('istanbul-astgen');5var code = 'x = 0;';6var ast = esprima.parse(code);7var node = ast.body[0].expression;8var result = astgen.postIncrement(node);9assert.equal(escodegen.generate(result), 'x++');

Using AI Code Generation

1var astgen = require('istanbul-lib-instrument').astgen;2var esprima = require('esprima');3var escodegen = require('escodegen');4var code = 'var a = 1; a++;';5var ast = esprima.parse(code);6var instrumented = astgen.postIncrement(ast.body[1].expression);7var result = escodegen.generate(instrumented);8console.log(result);9var a = 1; a = a + 1;10var a = 1; a++;

Using AI Code Generation

1const astgen = require('istanbul-lib-instrument').astgen;2const code = 'var x = 1';3const ast = acorn.parse(code);4const node = ast.body[0].declarations[0].init;5const newNode = astgen.postIncrement(node);6const newCode = escodegen.generate(newNode);7console.log(newCode);8console.log('x = x + 1');

Using AI Code Generation

1const instrumenter = new Instrumenter({2});3const code = 'var a = 1; a++;';4const instrumentedCode = instrumenter.instrumentSync(code, 'test.js');5console.log(instrumentedCode);6var _$jscoverage = {};7var _$jscoverage['test.js'] = {};8_$jscoverage['test.js'].lineData = [];9_$jscoverage['test.js'].lineData[1] = 0;10_$jscoverage['test.js'].lineData[2] = 0;11_$jscoverage['test.js'].lineData[3] = 0;12var a = 1;13_$jscoverage['test.js'].lineData[2]++;14a++;15_$jscoverage['test.js'].lineData[3]++;16var _$jscoverage = {};17var _$jscoverage['test.js'] = {};18_$jscoverage['test.js'].lineData = [];19_$jscoverage['test.js'].lineData[1] = 0;20_$jscoverage['test.js'].lineData[2] = 0;21_$jscoverage['test.js'].lineData[3] = 0;22var a = 1;23_$jscoverage['test.js'].lineData[2]++;24a = _$jscoverage['test.js'].lineData[3]++;25a++;26_$jscoverage['test.js'].lineData[4]++;27const instrumenter = new Instrumenter({28});29const code = 'var a = 1; a++;';30const instrumentedCode = instrumenter.instrumentSync(code, 'test.js');31console.log(instrumentedCode);32var _$jscoverage = {};33var _$jscoverage['test.js'] = {};34_$jscoverage['test.js'].lineData = [];35_$jscoverage['test.js'].lineData[1] = 0;36_$jscoverage['test.js'].lineData[2] = 0;37_$jscoverage['test.js'].lineData[3] = 0;38var a = 1;39_$jscoverage['test.js'].lineData[2]++;

Using AI Code Generation

1var istanbul = require('istanbul-lib-instrument');2var astgen = require('astgen');3var fs = require('fs');4var code = 'var x = 0;';5var ast = istanbul.parse(code);6var postIncNode = astgen.postIncrement(ast.body[0].declarations[0].id);7ast.body.push(postIncNode);8var modifiedCode = istanbul.generate(ast);9fs.writeFileSync('test1.js', modifiedCode);10var x = 0;11x++;12var x = 0;13x = x + 1;14var istanbul = require('istanbul-lib-instrument');15var fs = require('fs');16var code = 'var x = 0;';17var instrumented = istanbul.instrumentSync(code, {18});19fs.writeFileSync('test.js', instrumented);20var x = 0;21__coverage__['test.js'].s['1']++;22if (false) {}23var x = 0;24__coverage__['test.js'].s['1']++;25if (false) {}26__coverage__['test.js'].s['2']++;27if (false) {}28var istanbul = require('istanbul-lib-instrument');29var fs = require('fs');30var code = 'var x = 0;';31var instrumented = istanbul.instrumentSync(code, {32});33fs.writeFileSync('test.js', instrumented);34var x = 0;35__coverage__['test.js'].s['1']++;36if (false) {}37var x = 0;

Using AI Code Generation

1var istanbulLibAstgen = require('istanbul-lib-astgen');2var astgen = istanbulLibAstgen();3var postIncrementNode = astgen.postIncrement('i');4console.log(postIncrementNode);5var istanbulLibAstgen = require('istanbul-lib-astgen');6var astgen = istanbulLibAstgen();7var preIncrementNode = astgen.preIncrement('i');8console.log(preIncrementNode);9var istanbulLibAstgen = require('istanbul-lib-astgen');10var astgen = istanbulLibAstgen();11var postDecrementNode = astgen.postDecrement('i');12console.log(postDecrementNode);13var istanbulLibAstgen = require('istanbul-lib-astgen');14var astgen = istanbulLibAstgen();15var preDecrementNode = astgen.preDecrement('i');16console.log(preDecrementNode);

Using AI Code Generation

1var instrumenter = new Instrumenter();2var code = "x = 0; x++;";3var ast = parse(code);4var postIncrementedAST = instrumenter.postIncrement(ast);5console.log(generate(postIncrementedAST).code);6var instrumenter = new Instrumenter();7var code = "x = 0; x++;";8var ast = parse(code);9var postIncrementedAST = instrumenter.postIncrement(ast);10console.log(generate(postIncrementedAST).code);11x = 0; x++; __cov_2u2wvzv6h8.s['1']++; __cov_2u2wvzv6h8.s['2']++;

Using AI Code Generation

1const astgen = require('istanbul-lib-astgen');2const escodegen = require('escodegen');3let postIncrement = astgen.postIncrement('x');4let code = escodegen.generate(postIncrement);5console.log(code);6const astgen = require('istanbul-lib-astgen');7const escodegen = require('escodegen');8let postDecrement = astgen.postDecrement('x');9let code = escodegen.generate(postDecrement);10console.log(code);11const astgen = require('istanbul-lib-astgen');12const escodegen = require('escodegen');13let updateExpression = astgen.updateExpression('++', 'x');14let code = escodegen.generate(updateExpression);15console.log(code);16const astgen = require('istanbul-lib-astgen');17const escodegen = require('escodegen');18let updateExpression = astgen.updateExpression('--', 'x');19let code = escodegen.generate(updateExpression);20console.log(code);21const astgen = require('istanbul-lib-astgen');22const escodegen = require('escodegen');23let log = astgen.log('x');24let code = escodegen.generate(log);25console.log(code);

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