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How to use createJSAst method in stryker-parent

Best JavaScript code snippet using stryker-parent

html-printer.spec.ts

Source:html-printer.spec.ts

...18  });19  it('should replace a single script', () => {20    // Arrange21    const expectedScriptContent = 'foo = bar;';22    const jsScript = createJSAst({23      rawContent: expectedScriptContent,24    });25    contextStub.print.returns(expectedScriptContent);26    offsetLocations(jsScript.root, { column: 13, line: 1, position: 14 });27    const actualHtml = '<html><script>foo = baz;</script></html>';28    const expectedHtml = /<html><script>.*foo = bar;.*<\/script><\/html>/s;29    const ast = createHtmlAst({ rawContent: actualHtml, root: { scripts: [jsScript] } });30    // Act31    const output = print(ast, contextStub);32    // Assert33    expect(output).match(expectedHtml);34    expect(contextStub.print).calledOnce;35    expect(contextStub.print).calledWith(jsScript, contextStub);36  });37  it('should replace multiple scripts', () => {38    // Arrange39    const expectedScriptContent = ['foo = bar;', 'qux = quux;'];40    const scripts = [createJSAst({ rawContent: '1' }), createJSAst({ rawContent: '2' })];41    contextStub.print42      .withArgs(scripts[0], sinon.match.any)43      .returns(expectedScriptContent[0])44      .withArgs(scripts[1], sinon.match.any)45      .returns(expectedScriptContent[1]);46    scripts[0].root.start = 14;47    scripts[0].root.end = 15;48    scripts[1].root.start = 32;49    scripts[1].root.end = 33;50    const input = '<html><script>1</script><script>2</script></html>';51    const expectedOutput = /<html><script>.*foo = bar.*<\/script><script>.*qux = quux;.*<\/script><\/html>/s;52    const ast = createHtmlAst({ rawContent: input, root: { scripts } });53    // Act54    const output = print(ast, contextStub);55    // Assert56    expect(output).match(expectedOutput);57    expect(contextStub.print).calledTwice;58  });59  it('should output order scripts correctly', () => {60    // Arrange61    const expectedScriptContent = ['foo = bar;', 'qux = quux;'];62    const scripts = [createJSAst({ rawContent: '1' }), createJSAst({ rawContent: '2' })];63    contextStub.print64      .withArgs(scripts[0], sinon.match.any)65      .returns(expectedScriptContent[0])66      .withArgs(scripts[1], sinon.match.any)67      .returns(expectedScriptContent[1]);68    scripts[1].root.start = 14;69    scripts[1].root.end = 15;70    scripts[0].root.start = 32;71    scripts[0].root.end = 33;72    const input = '<html><script>1</script><script>2</script></html>';73    const expectedOutput = /<html><script>.*qux = quux;.*<\/script><script>.*foo = bar;.*<\/script><\/html>/s;74    const ast = createHtmlAst({ rawContent: input, root: { scripts } });75    // Act76    const output = print(ast, contextStub);...

Using AI Code Generation

1const fs = require('fs');2const path = require('path');3const { createJSAst } = require('stryker-parent');4const file = fs.readFileSync(path.resolve(__dirname, 'test.js'), 'utf8');5const ast = createJSAst(file);6console.log(ast);7const fs = require('fs');8const path = require('path');9const { createJSAst } = require('stryker-parent');10const file = fs.readFileSync(path.resolve(__dirname, 'test.js'), 'utf8');11const ast = createJSAst(file);12console.log(ast);13const fs = require('fs');14const path = require('path');15const { createJSAst } = require('stryker-parent');16const file = fs.readFileSync(path.resolve(__dirname, 'test.js'), 'utf8');17const ast = createJSAst(file);18console.log(ast);19const fs = require('fs');20const path = require('path');21const { createJSAst } = require('stryker-parent');22const file = fs.readFileSync(path.resolve(__dirname, 'test.js'), 'utf8');23const ast = createJSAst(file);24console.log(ast);25const fs = require('fs');26const path = require('path');27const { createJSAst } = require('stryker-parent');28const file = fs.readFileSync(path.resolve(__dirname, 'test.js'), 'utf8');29const ast = createJSAst(file);30console.log(ast);31const fs = require('fs');32const path = require('path');33const { createJSAst } = require('stryker-parent');34const file = fs.readFileSync(path.resolve(__dirname, 'test.js'), 'utf8');35const ast = createJSAst(file);36console.log(ast);37const fs = require('fs');38const path = require('path');39const { createJSA

Using AI Code Generation

1const {createJSAst} = require('stryker-parent');2const ast = createJSAst('test.js', 'var x = 1;');3console.log(JSON.stringify(ast, null, 2));4const {createJSAst} = require('stryker');5const ast = createJSAst('test.js', 'var x = 1;');6console.log(JSON.stringify(ast, null, 2));7const {createJSAst} = require('stryker/src/utils/astUtils');

Using AI Code Generation

1const { createJSAst } = require('stryker-parent');2const ast = createJSAst(`3  function add(a, b) {4    return a + b;5  }6`);7console.log(ast);8const { createJSAst } = require('stryker-parent');9const ast = createJSAst(`10  function add(a, b) {11    return a + b;12  }13`);14console.log(ast);15const { createJSAst } = require('stryker-parent');16const ast = createJSAst(`17  function add(a, b) {18    return a + b;19  }20`);21console.log(ast);22const { createJSAst } = require('stryker-parent');23const ast = createJSAst(`24  function add(a, b) {25    return a + b;26  }27`);28console.log(ast);29const { createJSAst } = require('stryker-parent');30const ast = createJSAst(`31  function add(a, b) {32    return a + b;33  }34`);35console.log(ast);36const { createJSAst } = require('stryker-parent');37const ast = createJSAst(`38  function add(a, b) {39    return a + b;40  }41`);42console.log(ast);43const { createJSAst } = require('stryker-parent');44const ast = createJSAst(`45  function add(a, b) {46    return a + b;47  }48`);49console.log(ast);50const { createJSAst } = require('stryker-parent');51const ast = createJSAst(`52  function add(a, b) {53    return a + b;54  }55`);56console.log(ast);57const { createJSAst } =

Using AI Code Generation

1const { createJSAst } = require('stryker-parent');2const ast = createJSAst('var x = 1;');3console.log('AST: ', ast);4For example, you could check if a test file has a call to describe() :5const { createJSAst } = require('stryker-parent');6const ast = createJSAst('describe("foo", () => { it("bar", () => { expect(true).toBe(true); }); });');7const describeCall = ast.body.find(node => node.type === 'CallExpression' && node.callee.name === 'describe');8if (describeCall) {9  console.log('Found describe call');10}11You can also use the createJSAst method to check if a test file has a call to it() :12const { createJSAst } = require('stryker-parent');13const ast = createJSAst('describe("foo", () => { it("bar", () => { expect(true).toBe(true); }); });');14const itCall = ast.body.find(node => node.type === 'CallExpression' && node.callee.name === 'it');15if (itCall) {16  console.log('Found it call');17}18This example shows how you can use the createJSAst method to check if a test file has a call to it() and describe() :19const { createJSAst } = require('stryker-parent');20const ast = createJSAst('describe("foo", () => { it("bar", () => { expect(true).toBe(true); }); });');21const describeCall = ast.body.find(node => node.type === 'CallExpression' && node.callee.name === 'describe');22const itCall = ast.body.find(node => node.type === 'CallExpression' && node.callee.name === 'it');23if (describeCall && itCall) {24  console.log('Found describe and it call');

Using AI Code Generation

1var stryker = require('stryker');2var ast = stryker.createJSAst("var x = 1;");3exports.createJSAst = function(sourceCode) {4    return esprima.parse(sourceCode);5};6exports.parse = function (source, options) {7    var syntax = new Syntax();8    var parser = new Parser(syntax, source, options);9    return parser.parseProgram();10};11Parser.prototype.parseProgram = function () {12    var node = this.createNode();13    this.expect(TokenType.Keyword, 'var');14    node.id = this.parseVariableIdentifier();15    this.expect(TokenType.Punctuator, '=');16    node.init = this.parseAssignmentExpression();17    this.expect(TokenType.Punctuator, ';');18    this.expect(TokenType.EOF);19    return node;20};21function Node(type, loc) {22    this.type = type;23    this.loc = loc;24}25function Program(body, loc) {26    Node.call(this, Syntax.Program, loc);27    this.body = body;28}29var Syntax = {

Using AI Code Generation

1const { createJSAst } = require('stryker-parent');2const ast = createJSAst('const foo = 1;', { plugins: ['jsx'] });3const { parse } = require('babylon');4module.exports = {5  createJSAst: (code, options) => parse(code, options)6};7{8  "peerDependencies": {9  }10}11{12  "dependencies": {13  }14}

Using AI Code Generation

1var createJSAst = require('stryker-parent').createJSAst;2var api = require('stryker-mutator-api');3var code = 'function add(a, b) { return a + b; }';4var ast = createJSAst(code);5var mutator = api.mutatorFor('JavaScript');6var mutants = mutator.mutate(ast);7var newAst = api.createJSAst(mutants[0].mutatedCode);8console.log(newAst);9var newCode = api.createJSCode(newAst);10console.log(newCode);11var newCode = api.createJSCode(newAst);12console.log(newCode);13var newCode = api.createJSCode(newAst);14console.log(newCode);15var newCode = api.createJSCode(newAst);16console.log(newCode);

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