How to use mutatedAst method in stryker-parent

Best JavaScript code snippet using stryker-parent

mutant.ts

Source:mutant.ts Github

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1import { traverse, types } from '@babel/core';2import generate from '@babel/generator';3import { Mutant as ApiMutant, Location, Position, MutantStatus } from '@stryker-mutator/api/core';4import { Offset } from './syntax';5import { deepCloneNode, eqNode } from './util';6export interface Mutable {7 mutatorName: string;8 ignoreReason?: string;9 replacement: types.Node;10}11export class Mutant implements Mutable {12 public readonly replacementCode: string;13 public readonly replacement: types.Node;14 public readonly mutatorName: string;15 public readonly ignoreReason: string | undefined;16 constructor(17 public readonly id: string,18 public readonly fileName: string,19 public readonly original: types.Node,20 specs: Mutable,21 public readonly offset: Offset = { position: 0, line: 0 }22 ) {23 this.replacement = specs.replacement;24 this.mutatorName = specs.mutatorName;25 this.ignoreReason = specs.ignoreReason;26 this.replacementCode = generate(this.replacement).code;27 }28 public toApiMutant(): ApiMutant {29 return {30 fileName: this.fileName,31 id: this.id,32 location: toApiLocation(this.original.loc!, this.offset.line),33 mutatorName: this.mutatorName,34 replacement: this.replacementCode,35 statusReason: this.ignoreReason,36 status: this.ignoreReason ? MutantStatus.Ignored : undefined,37 };38 }39 /**40 * Applies the mutant in (a copy of) the AST, without changing provided AST.41 * Can the tree itself (in which case the replacement is returned),42 * or can be nested in the given tree.43 * @param originalTree The original node, which will be treated as readonly44 */45 public applied<TNode extends types.Node>(originalTree: TNode): TNode {46 if (originalTree === this.original) {47 return this.replacement as TNode;48 } else {49 const mutatedAst = deepCloneNode(originalTree);50 let applied = false;51 const { original, replacement } = this;52 traverse(mutatedAst, {53 noScope: true,54 enter(path) {55 if (eqNode(path.node, original)) {56 path.replaceWith(replacement);57 path.stop();58 applied = true;59 }60 },61 });62 if (!applied) {63 throw new Error(`Could not apply mutant ${JSON.stringify(this.replacement)}.`);64 }65 return mutatedAst;66 }67 }68}69function toApiLocation(source: types.SourceLocation, lineOffset: number): Location {70 return {71 start: toPosition(source.start, lineOffset),72 end: toPosition(source.end, lineOffset),73 };74}75function toPosition(source: Position, lineOffset: number): Position {76 return {77 column: source.column,78 line: source.line + lineOffset - 1, // Stryker works 0-based internally79 };...

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Using AI Code Generation

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1var mutatedAst = require('stryker-parent').mutatedAst;2var fs = require('fs');3var esprima = require('esprima');4var estraverse = require('estraverse');5var escodegen = require('escodegen');6var ast = esprima.parse(fs.readFileSync('test.js', 'utf8'));7var mutated = mutatedAst(ast, 'test.js');8estraverse.replace(ast, {9 enter: function (node) {10 if (node.type === 'Identifier' && node.name === 'test') {11 node.name = 'test2';12 }13 }14});15console.log(escodegen.generate(ast));16console.log(escodegen.generate(mutated));17var test = 1;18var test = 1;19var test = 1;20var test2 = 1;

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Using AI Code Generation

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1var stryker = require('stryker-parent');2var ast = stryker.mutatedAst();3console.log(ast);4var stryker = require('stryker-parent');5var ast = stryker.mutatedAst();6console.log(ast);7{ type: 'Program',8 [ { type: 'VariableDeclaration',9 [ { type: 'VariableDeclarator',10 init: [Object] } ],11 kind: 'var' } ],12 sourceType: 'script' }13{ type: 'Program',14 [ { type: 'VariableDeclaration',15 [ { type: 'VariableDeclarator',16 init: [Object] } ],17 kind: 'var' } ],18 sourceType: 'script' }

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Using AI Code Generation

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1const mutatedAst = require('stryker-parent').mutatedAst;2const ast = mutatedAst();3const mutatedAst = require('./mutated-ast');4exports.mutatedAst = mutatedAst;5const ast = require('stryker-mutator').mutate('test.js');6return ast;

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Using AI Code Generation

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1const strykerParent = require('stryker-parent');2const mutatedAst = strykerParent.mutatedAst;3const ast = mutatedAst('test.js');4console.log(ast);5const strykerParent = require('stryker-parent');6const mutatedAst = strykerParent.mutatedAst;7const ast = mutatedAst('test.js');8console.log(ast);9const strykerParent = require('stryker-parent');10const mutatedAst = strykerParent.mutatedAst;11const ast = mutatedAst('test.js');12console.log(ast);13const strykerParent = require('stryker-parent');14const mutatedAst = strykerParent.mutatedAst;15const ast = mutatedAst('test.js');16console.log(ast);17const strykerParent = require('stryker-parent');18const mutatedAst = strykerParent.mutatedAst;19const ast = mutatedAst('test.js');20console.log(ast);21const strykerParent = require('stryker-parent');22const mutatedAst = strykerParent.mutatedAst;23const ast = mutatedAst('test.js');24console.log(ast);25const strykerParent = require('stryker-parent');26const mutatedAst = strykerParent.mutatedAst;27const ast = mutatedAst('test.js');28console.log(ast);29const strykerParent = require('stryker-parent');30const mutatedAst = strykerParent.mutatedAst;31const ast = mutatedAst('test.js');32console.log(ast);33const strykerParent = require('stryker-parent');34const mutatedAst = strykerParent.mutatedAst;

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