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How to use sourceFile method in storybook-root

Best JavaScript code snippet using storybook-root

textChanges.ts

Source:textChanges.ts

1// Some tests have trailing whitespace2// tslint:disable trim-trailing-whitespace34namespace ts {5    describe("unittests:: services:: textChanges", () => {6        function findChild(name: string, n: Node) {7            return find(n)!;89            function find(node: Node): Node | undefined {10                if (isDeclaration(node) && node.name && isIdentifier(node.name) && node.name.escapedText === name) {11                    return node;12                }13                else {14                    return forEachChild(node, find);15                }16            }17        }1819        const printerOptions = { newLine: NewLineKind.LineFeed };20        const newLineCharacter = getNewLineCharacter(printerOptions);2122        function getRuleProvider(placeOpenBraceOnNewLineForFunctions: boolean): formatting.FormatContext {23            return formatting.getFormatContext(placeOpenBraceOnNewLineForFunctions ? { ...testFormatSettings, placeOpenBraceOnNewLineForFunctions: true } : testFormatSettings);24        }2526        // validate that positions that were recovered from the printed text actually match positions that will be created if the same text is parsed.27        function verifyPositions(node: Node, text: string): void {28            const nodeList = flattenNodes(node);29            const sourceFile = createSourceFile("f.ts", text, ScriptTarget.ES2015);30            const parsedNodeList = flattenNodes(sourceFile.statements[0]);31            zipWith(nodeList, parsedNodeList, (left, right) => {32                Debug.assert(left.pos === right.pos);33                Debug.assert(left.end === right.end);34            });3536            function flattenNodes(n: Node) {37                const data: (Node | NodeArray<Node>)[] = [];38                walk(n);39                return data;4041                function walk(n: Node | NodeArray<Node>): void {42                    data.push(n);43                    return isArray(n) ? forEach(n, walk) : forEachChild(n, walk, walk);44                }45            }46        }4748        function runSingleFileTest(caption: string, placeOpenBraceOnNewLineForFunctions: boolean, text: string, validateNodes: boolean, testBlock: (sourceFile: SourceFile, changeTracker: textChanges.ChangeTracker) => void) {49            it(caption, () => {50                const sourceFile = createSourceFile("source.ts", text, ScriptTarget.ES2015, /*setParentNodes*/ true);51                const rulesProvider = getRuleProvider(placeOpenBraceOnNewLineForFunctions);52                const changeTracker = new textChanges.ChangeTracker(newLineCharacter, rulesProvider);53                testBlock(sourceFile, changeTracker);54                const changes = changeTracker.getChanges(validateNodes ? verifyPositions : undefined);55                assert.equal(changes.length, 1);56                assert.equal(changes[0].fileName, sourceFile.fileName);57                const modified = textChanges.applyChanges(sourceFile.text, changes[0].textChanges);58                Harness.Baseline.runBaseline(`textChanges/${caption}.js`, `===ORIGINAL===${newLineCharacter}${text}${newLineCharacter}===MODIFIED===${newLineCharacter}${modified}`);59            });60        }6162        {63            const text = `64namespace M65{66    namespace M267    {68        function foo() {69            // comment 170            const x = 1;7172            /**73             * comment 2 line 174             * comment 2 line 275             */76            function f() {77                return 100;78            }79            const y = 2; // comment 380            return 1;81        }82    }83}`;84            runSingleFileTest("extractMethodLike", /*placeOpenBraceOnNewLineForFunctions*/ true, text, /*validateNodes*/ true, (sourceFile, changeTracker) => {85                const statements = (<FunctionDeclaration>findChild("foo", sourceFile)).body!.statements.slice(1);86                const newFunction = createFunctionDeclaration(87                        /*decorators*/ undefined,88                        /*modifiers*/ undefined,89                        /*asteriskToken*/ undefined,90                        /*name*/ "bar",91                        /*typeParameters*/ undefined,92                        /*parameters*/ emptyArray,93                        /*type*/ createKeywordTypeNode(SyntaxKind.AnyKeyword),94                        /*body */ createBlock(statements)95                );9697                changeTracker.insertNodeBefore(sourceFile, /*before*/findChild("M2", sourceFile), newFunction);9899                // replace statements with return statement100                const newStatement = createReturn(101                    createCall(102                        /*expression*/ newFunction.name!,103                        /*typeArguments*/ undefined,104                        /*argumentsArray*/ emptyArray105                    ));106                changeTracker.replaceNodeRange(sourceFile, statements[0], last(statements), newStatement, { suffix: newLineCharacter });107            });108        }109        {110            const text = `111function foo() {112    return 1;113}114115function bar() {116    return 2;117}118`;119            runSingleFileTest("deleteRange1", /*placeOpenBraceOnNewLineForFunctions*/ false, text, /*validateNodes*/ false, (sourceFile, changeTracker) => {120                changeTracker.deleteRange(sourceFile, { pos: text.indexOf("function foo"), end: text.indexOf("function bar") });121            });122        }123        function findVariableStatementContaining(name: string, sourceFile: SourceFile): VariableStatement {124            return cast(findVariableDeclarationContaining(name, sourceFile).parent.parent, isVariableStatement);125        }126        function findVariableDeclarationContaining(name: string, sourceFile: SourceFile): VariableDeclaration {127            return cast(findChild(name, sourceFile), isVariableDeclaration);128        }129        const { deleteNode } = textChanges;130        {131            const text = `132var x = 1; // some comment - 1133/**134 * comment 2135 */136var y = 2; // comment 3137var z = 3; // comment 4138`;139            runSingleFileTest("deleteNode1", /*placeOpenBraceOnNewLineForFunctions*/ false, text, /*validateNodes*/ false, (sourceFile, changeTracker) => {140                deleteNode(changeTracker, sourceFile, findVariableStatementContaining("y", sourceFile));141            });142            runSingleFileTest("deleteNode2", /*placeOpenBraceOnNewLineForFunctions*/ false, text, /*validateNodes*/ false, (sourceFile, changeTracker) => {143                deleteNode(changeTracker, sourceFile, findVariableStatementContaining("y", sourceFile), { useNonAdjustedStartPosition: true });144            });145            runSingleFileTest("deleteNode3", /*placeOpenBraceOnNewLineForFunctions*/ false, text, /*validateNodes*/ false, (sourceFile, changeTracker) => {146                deleteNode(changeTracker, sourceFile, findVariableStatementContaining("y", sourceFile), { useNonAdjustedEndPosition: true });147            });148            runSingleFileTest("deleteNode4", /*placeOpenBraceOnNewLineForFunctions*/ false, text, /*validateNodes*/ false, (sourceFile, changeTracker) => {149                deleteNode(changeTracker, sourceFile, findVariableStatementContaining("y", sourceFile), { useNonAdjustedStartPosition: true, useNonAdjustedEndPosition: true });150            });151            runSingleFileTest("deleteNode5", /*placeOpenBraceOnNewLineForFunctions*/ false, text, /*validateNodes*/ false, (sourceFile, changeTracker) => {152                deleteNode(changeTracker, sourceFile, findVariableStatementContaining("x", sourceFile));153            });154        }155        {156            const text = `157// comment 1158var x = 1; // comment 2159// comment 3160var y = 2; // comment 4161var z = 3; // comment 5162// comment 6163var a = 4; // comment 7164`;165            runSingleFileTest("deleteNodeRange1", /*placeOpenBraceOnNewLineForFunctions*/ false, text, /*validateNodes*/ false, (sourceFile, changeTracker) => {166                changeTracker.deleteNodeRange(sourceFile, findVariableStatementContaining("y", sourceFile), findVariableStatementContaining("z", sourceFile));167            });168            runSingleFileTest("deleteNodeRange2", /*placeOpenBraceOnNewLineForFunctions*/ false, text, /*validateNodes*/ false, (sourceFile, changeTracker) => {169                changeTracker.deleteNodeRange(sourceFile, findVariableStatementContaining("y", sourceFile), findVariableStatementContaining("z", sourceFile),170                    { useNonAdjustedStartPosition: true });171            });172            runSingleFileTest("deleteNodeRange3", /*placeOpenBraceOnNewLineForFunctions*/ false, text, /*validateNodes*/ false, (sourceFile, changeTracker) => {173                changeTracker.deleteNodeRange(sourceFile, findVariableStatementContaining("y", sourceFile), findVariableStatementContaining("z", sourceFile),174                    { useNonAdjustedEndPosition: true });175            });176            runSingleFileTest("deleteNodeRange4", /*placeOpenBraceOnNewLineForFunctions*/ false, text, /*validateNodes*/ false, (sourceFile, changeTracker) => {177                changeTracker.deleteNodeRange(sourceFile, findVariableStatementContaining("y", sourceFile), findVariableStatementContaining("z", sourceFile),178                    { useNonAdjustedStartPosition: true, useNonAdjustedEndPosition: true });179            });180        }181        function createTestVariableDeclaration(name: string) {182            return createVariableDeclaration(name, /*type*/ undefined, createObjectLiteral([createPropertyAssignment("p1", createLiteral(1))], /*multiline*/ true));183        }184        function createTestClass() {185            return createClassDeclaration(186                    /*decorators*/ undefined,187                [188                    createToken(SyntaxKind.PublicKeyword)189                ],190                "class1",191                    /*typeParameters*/ undefined,192                [193                    createHeritageClause(194                        SyntaxKind.ImplementsKeyword,195                        [196                            createExpressionWithTypeArguments(/*typeArguments*/ undefined, createIdentifier("interface1"))197                        ]198                    )199                ],200                [201                    createProperty(202                            /*decorators*/ undefined,203                            /*modifiers*/ undefined,204                        "property1",205                            /*questionToken*/ undefined,206                        createKeywordTypeNode(SyntaxKind.BooleanKeyword),207                            /*initializer*/ undefined208                    )209                ]210            );211        }212        {213            const text = `214// comment 1215var x = 1; // comment 2216// comment 3217var y = 2; // comment 4218var z = 3; // comment 5219// comment 6220var a = 4; // comment 7`;221            runSingleFileTest("replaceRange", /*placeOpenBraceOnNewLineForFunctions*/ true, text, /*validateNodes*/ true, (sourceFile, changeTracker) => {222                changeTracker.replaceRange(sourceFile, { pos: text.indexOf("var y"), end: text.indexOf("var a") }, createTestClass(), { suffix: newLineCharacter });223            });224            runSingleFileTest("replaceRangeWithForcedIndentation", /*placeOpenBraceOnNewLineForFunctions*/ true, text, /*validateNodes*/ true, (sourceFile, changeTracker) => {225                changeTracker.replaceRange(sourceFile, { pos: text.indexOf("var y"), end: text.indexOf("var a") }, createTestClass(), { suffix: newLineCharacter, indentation: 8, delta: 0 });226            });227228            runSingleFileTest("replaceRangeNoLineBreakBefore", /*placeOpenBraceOnNewLineForFunctions*/ true, `const x = 1, y = "2";`, /*validateNodes*/ false, (sourceFile, changeTracker) => {229                const newNode = createTestVariableDeclaration("z1");230                changeTracker.replaceRange(sourceFile, { pos: sourceFile.text.indexOf("y"), end: sourceFile.text.indexOf(";") }, newNode);231            });232        }233        {234            const text = `235namespace A {236    const x = 1, y = "2";237}238`;239            runSingleFileTest("replaceNode1NoLineBreakBefore", /*placeOpenBraceOnNewLineForFunctions*/ false, text, /*validateNodes*/ false, (sourceFile, changeTracker) => {240                const newNode = createTestVariableDeclaration("z1");241                changeTracker.replaceNode(sourceFile, findChild("y", sourceFile), newNode);242            });243        }244        {245            const text = `246// comment 1247var x = 1; // comment 2248// comment 3249var y = 2; // comment 4250var z = 3; // comment 5251// comment 6252var a = 4; // comment 7`;253            runSingleFileTest("replaceNode1", /*placeOpenBraceOnNewLineForFunctions*/ true, text, /*validateNodes*/ true, (sourceFile, changeTracker) => {254                changeTracker.replaceNode(sourceFile, findVariableStatementContaining("y", sourceFile), createTestClass(), { suffix: newLineCharacter });255            });256            runSingleFileTest("replaceNode2", /*placeOpenBraceOnNewLineForFunctions*/ true, text, /*validateNodes*/ true, (sourceFile, changeTracker) => {257                changeTracker.replaceNode(sourceFile, findVariableStatementContaining("y", sourceFile), createTestClass(), { useNonAdjustedStartPosition: true, suffix: newLineCharacter, prefix: newLineCharacter });258            });259            runSingleFileTest("replaceNode3", /*placeOpenBraceOnNewLineForFunctions*/ true, text, /*validateNodes*/ true, (sourceFile, changeTracker) => {260                changeTracker.replaceNode(sourceFile, findVariableStatementContaining("y", sourceFile), createTestClass(), { useNonAdjustedEndPosition: true, suffix: newLineCharacter });261            });262            runSingleFileTest("replaceNode4", /*placeOpenBraceOnNewLineForFunctions*/ true, text, /*validateNodes*/ true, (sourceFile, changeTracker) => {263                changeTracker.replaceNode(sourceFile, findVariableStatementContaining("y", sourceFile), createTestClass(), { useNonAdjustedStartPosition: true, useNonAdjustedEndPosition: true });264            });265            runSingleFileTest("replaceNode5", /*placeOpenBraceOnNewLineForFunctions*/ true, text, /*validateNodes*/ true, (sourceFile, changeTracker) => {266                changeTracker.replaceNode(sourceFile, findVariableStatementContaining("x", sourceFile), createTestClass(), { useNonAdjustedStartPosition: true, useNonAdjustedEndPosition: true });267            });268        }269        {270            const text = `271// comment 1272var x = 1; // comment 2273// comment 3274var y = 2; // comment 4275var z = 3; // comment 5276// comment 6277var a = 4; // comment 7`;278            runSingleFileTest("replaceNodeRange1", /*placeOpenBraceOnNewLineForFunctions*/ true, text, /*validateNodes*/ true, (sourceFile, changeTracker) => {279                changeTracker.replaceNodeRange(sourceFile, findVariableStatementContaining("y", sourceFile), findVariableStatementContaining("z", sourceFile), createTestClass(), { suffix: newLineCharacter });280            });281            runSingleFileTest("replaceNodeRange2", /*placeOpenBraceOnNewLineForFunctions*/ true, text, /*validateNodes*/ true, (sourceFile, changeTracker) => {282                changeTracker.replaceNodeRange(sourceFile, findVariableStatementContaining("y", sourceFile), findVariableStatementContaining("z", sourceFile), createTestClass(), { useNonAdjustedStartPosition: true, suffix: newLineCharacter, prefix: newLineCharacter });283            });284            runSingleFileTest("replaceNodeRange3", /*placeOpenBraceOnNewLineForFunctions*/ true, text, /*validateNodes*/ true, (sourceFile, changeTracker) => {285                changeTracker.replaceNodeRange(sourceFile, findVariableStatementContaining("y", sourceFile), findVariableStatementContaining("z", sourceFile), createTestClass(), { useNonAdjustedEndPosition: true, suffix: newLineCharacter });286            });287            runSingleFileTest("replaceNodeRange4", /*placeOpenBraceOnNewLineForFunctions*/ true, text, /*validateNodes*/ true, (sourceFile, changeTracker) => {288                changeTracker.replaceNodeRange(sourceFile, findVariableStatementContaining("y", sourceFile), findVariableStatementContaining("z", sourceFile), createTestClass(), { useNonAdjustedStartPosition: true, useNonAdjustedEndPosition: true });289            });290        }291        {292            const text = `293// comment 1294var x = 1; // comment 2295// comment 3296var y; // comment 4297var z = 3; // comment 5298// comment 6299var a = 4; // comment 7`;300            runSingleFileTest("insertNodeBefore3", /*placeOpenBraceOnNewLineForFunctions*/ true, text, /*validateNodes*/ true, (sourceFile, changeTracker) => {301                changeTracker.insertNodeBefore(sourceFile, findVariableStatementContaining("y", sourceFile), createTestClass());302            });303            runSingleFileTest("insertNodeAfterVariableDeclaration", /*placeOpenBraceOnNewLineForFunctions*/ true, text, /*validateNodes*/ false, (sourceFile, changeTracker) => {304                changeTracker.insertNodeAfter(sourceFile, findVariableDeclarationContaining("y", sourceFile), createTestVariableDeclaration("z1"));305            });306        }307        {308            const text = `309namespace M {310    // comment 1311    var x = 1; // comment 2312    // comment 3313    var y; // comment 4314    var z = 3; // comment 5315    // comment 6316    var a = 4; // comment 7317}`;318            runSingleFileTest("insertNodeBefore1", /*placeOpenBraceOnNewLineForFunctions*/ true, text, /*validateNodes*/ true, (sourceFile, changeTracker) => {319                changeTracker.insertNodeBefore(sourceFile, findVariableStatementContaining("y", sourceFile), createTestClass());320            });321            runSingleFileTest("insertNodeBefore2", /*placeOpenBraceOnNewLineForFunctions*/ true, text, /*validateNodes*/ true, (sourceFile, changeTracker) => {322                changeTracker.insertNodeBefore(sourceFile, findChild("M", sourceFile), createTestClass());323            });324            runSingleFileTest("insertNodeAfter1", /*placeOpenBraceOnNewLineForFunctions*/ true, text, /*validateNodes*/ true, (sourceFile, changeTracker) => {325                changeTracker.insertNodeAfter(sourceFile, findVariableStatementContaining("y", sourceFile), createTestClass());326            });327            runSingleFileTest("insertNodeAfter2", /*placeOpenBraceOnNewLineForFunctions*/ true, text, /*validateNodes*/ true, (sourceFile, changeTracker) => {328                changeTracker.insertNodeAfter(sourceFile, findChild("M", sourceFile), createTestClass());329            });330        }331332        function findConstructor(sourceFile: SourceFile): ConstructorDeclaration {333            const classDecl = <ClassDeclaration>sourceFile.statements[0];334            return find<ClassElement, ConstructorDeclaration>(classDecl.members, (m): m is ConstructorDeclaration => isConstructorDeclaration(m) && !!m.body)!;335        }336        function createTestSuperCall() {337            const superCall = createCall(338                createSuper(),339                    /*typeArguments*/ undefined,340                    /*argumentsArray*/ emptyArray341            );342            return createStatement(superCall);343        }344345        {346            const text1 = `347class A {348    constructor() {349    }350}351`;352            runSingleFileTest("insertNodeAtConstructorStart", /*placeOpenBraceOnNewLineForFunctions*/ false, text1, /*validateNodes*/ false, (sourceFile, changeTracker) => {353                changeTracker.insertNodeAtConstructorStart(sourceFile, findConstructor(sourceFile), createTestSuperCall());354            });355            const text2 = `356class A {357    constructor() {358        var x = 1;359    }360}361`;362            runSingleFileTest("insertNodeAfter4", /*placeOpenBraceOnNewLineForFunctions*/ false, text2, /*validateNodes*/ false, (sourceFile, changeTracker) => {363                changeTracker.insertNodeAfter(sourceFile, findVariableStatementContaining("x", sourceFile), createTestSuperCall());364            });365            const text3 = `366class A {367    constructor() {368369    }370}371`;372            runSingleFileTest("insertNodeAtConstructorStart-block with newline", /*placeOpenBraceOnNewLineForFunctions*/ false, text3, /*validateNodes*/ false, (sourceFile, changeTracker) => {373                changeTracker.insertNodeAtConstructorStart(sourceFile, findConstructor(sourceFile), createTestSuperCall());374            });375        }376        {377            const text = `var a = 1, b = 2, c = 3;`;378            runSingleFileTest("deleteNodeInList1", /*placeOpenBraceOnNewLineForFunctions*/ false, text, /*validateNodes*/ false, (sourceFile, changeTracker) => {379                changeTracker.delete(sourceFile, findChild("a", sourceFile));380            });381            runSingleFileTest("deleteNodeInList2", /*placeOpenBraceOnNewLineForFunctions*/ false, text, /*validateNodes*/ false, (sourceFile, changeTracker) => {382                changeTracker.delete(sourceFile, findChild("b", sourceFile));383            });384            runSingleFileTest("deleteNodeInList3", /*placeOpenBraceOnNewLineForFunctions*/ false, text, /*validateNodes*/ false, (sourceFile, changeTracker) => {385                changeTracker.delete(sourceFile, findChild("c", sourceFile));386            });387        }388        {389            const text = `var a = 1,b = 2,c = 3;`;390            runSingleFileTest("deleteNodeInList1_1", /*placeOpenBraceOnNewLineForFunctions*/ false, text, /*validateNodes*/ false, (sourceFile, changeTracker) => {391                changeTracker.delete(sourceFile, findChild("a", sourceFile));392            });393            runSingleFileTest("deleteNodeInList2_1", /*placeOpenBraceOnNewLineForFunctions*/ false, text, /*validateNodes*/ false, (sourceFile, changeTracker) => {394                changeTracker.delete(sourceFile, findChild("b", sourceFile));395            });396            runSingleFileTest("deleteNodeInList3_1", /*placeOpenBraceOnNewLineForFunctions*/ false, text, /*validateNodes*/ false, (sourceFile, changeTracker) => {397                changeTracker.delete(sourceFile, findChild("c", sourceFile));398            });399        }400        {401            const text = `402namespace M {403    var a = 1,404        b = 2,405        c = 3;406}`;407            runSingleFileTest("deleteNodeInList4", /*placeOpenBraceOnNewLineForFunctions*/ false, text, /*validateNodes*/ false, (sourceFile, changeTracker) => {408                changeTracker.delete(sourceFile, findChild("a", sourceFile));409            });410            runSingleFileTest("deleteNodeInList5", /*placeOpenBraceOnNewLineForFunctions*/ false, text, /*validateNodes*/ false, (sourceFile, changeTracker) => {411                changeTracker.delete(sourceFile, findChild("b", sourceFile));412            });413            runSingleFileTest("deleteNodeInList6", /*placeOpenBraceOnNewLineForFunctions*/ false, text, /*validateNodes*/ false, (sourceFile, changeTracker) => {414                changeTracker.delete(sourceFile, findChild("c", sourceFile));415            });416        }417        {418            const text = `419namespace M {420    var a = 1, // comment 1421        // comment 2422        b = 2, // comment 3423        // comment 4424        c = 3; // comment 5425}`;426            runSingleFileTest("deleteNodeInList4_1", /*placeOpenBraceOnNewLineForFunctions*/ false, text, /*validateNodes*/ false, (sourceFile, changeTracker) => {427                changeTracker.delete(sourceFile, findChild("a", sourceFile));428            });429            runSingleFileTest("deleteNodeInList5_1", /*placeOpenBraceOnNewLineForFunctions*/ false, text, /*validateNodes*/ false, (sourceFile, changeTracker) => {430                changeTracker.delete(sourceFile, findChild("b", sourceFile));431            });432            runSingleFileTest("deleteNodeInList6_1", /*placeOpenBraceOnNewLineForFunctions*/ false, text, /*validateNodes*/ false, (sourceFile, changeTracker) => {433                changeTracker.delete(sourceFile, findChild("c", sourceFile));434            });435        }436        {437            const text = `438function foo(a: number, b: string, c = true) {439    return 1;440}`;441            runSingleFileTest("deleteNodeInList7", /*placeOpenBraceOnNewLineForFunctions*/ false, text, /*validateNodes*/ false, (sourceFile, changeTracker) => {442                changeTracker.delete(sourceFile, findChild("a", sourceFile));443            });444            runSingleFileTest("deleteNodeInList8", /*placeOpenBraceOnNewLineForFunctions*/ false, text, /*validateNodes*/ false, (sourceFile, changeTracker) => {445                changeTracker.delete(sourceFile, findChild("b", sourceFile));446            });447            runSingleFileTest("deleteNodeInList9", /*placeOpenBraceOnNewLineForFunctions*/ false, text, /*validateNodes*/ false, (sourceFile, changeTracker) => {448                changeTracker.delete(sourceFile, findChild("c", sourceFile));449            });450        }451        {452            const text = `453function foo(a: number,b: string,c = true) {454    return 1;455}`;456            runSingleFileTest("deleteNodeInList10", /*placeOpenBraceOnNewLineForFunctions*/ false, text, /*validateNodes*/ false, (sourceFile, changeTracker) => {457                changeTracker.delete(sourceFile, findChild("a", sourceFile));458            });459            runSingleFileTest("deleteNodeInList11", /*placeOpenBraceOnNewLineForFunctions*/ false, text, /*validateNodes*/ false, (sourceFile, changeTracker) => {460                changeTracker.delete(sourceFile, findChild("b", sourceFile));461            });462            runSingleFileTest("deleteNodeInList12", /*placeOpenBraceOnNewLineForFunctions*/ false, text, /*validateNodes*/ false, (sourceFile, changeTracker) => {463                changeTracker.delete(sourceFile, findChild("c", sourceFile));464            });465        }466        {467            const text = `468function foo(469    a: number,470    b: string,471    c = true) {472    return 1;473}`;474            runSingleFileTest("deleteNodeInList13", /*placeOpenBraceOnNewLineForFunctions*/ false, text, /*validateNodes*/ false, (sourceFile, changeTracker) => {475                changeTracker.delete(sourceFile, findChild("a", sourceFile));476            });477            runSingleFileTest("deleteNodeInList14", /*placeOpenBraceOnNewLineForFunctions*/ false, text, /*validateNodes*/ false, (sourceFile, changeTracker) => {478                changeTracker.delete(sourceFile, findChild("b", sourceFile));479            });480            runSingleFileTest("deleteNodeInList15", /*placeOpenBraceOnNewLineForFunctions*/ false, text, /*validateNodes*/ false, (sourceFile, changeTracker) => {481                changeTracker.delete(sourceFile, findChild("c", sourceFile));482            });483        }484        {485            const text = `486const x = 1, y = 2;`;487            runSingleFileTest("insertNodeInListAfter1", /*placeOpenBraceOnNewLineForFunctions*/ false, text, /*validateNodes*/ false, (sourceFile, changeTracker) => {488                changeTracker.insertNodeInListAfter(sourceFile, findChild("x", sourceFile), createVariableDeclaration("z", /*type*/ undefined, createLiteral(1)));489            });490            runSingleFileTest("insertNodeInListAfter2", /*placeOpenBraceOnNewLineForFunctions*/ false, text, /*validateNodes*/ false, (sourceFile, changeTracker) => {491                changeTracker.insertNodeInListAfter(sourceFile, findChild("y", sourceFile), createVariableDeclaration("z", /*type*/ undefined, createLiteral(1)));492            });493        }494        {495            const text = `496const /*x*/ x = 1, /*y*/ y = 2;`;497            runSingleFileTest("insertNodeInListAfter3", /*placeOpenBraceOnNewLineForFunctions*/ false, text, /*validateNodes*/ false, (sourceFile, changeTracker) => {498                changeTracker.insertNodeInListAfter(sourceFile, findChild("x", sourceFile), createVariableDeclaration("z", /*type*/ undefined, createLiteral(1)));499            });500            runSingleFileTest("insertNodeInListAfter4", /*placeOpenBraceOnNewLineForFunctions*/ false, text, /*validateNodes*/ false, (sourceFile, changeTracker) => {501                changeTracker.insertNodeInListAfter(sourceFile, findChild("y", sourceFile), createVariableDeclaration("z", /*type*/ undefined, createLiteral(1)));502            });503        }504        {505            const text = `506const x = 1;`;507            runSingleFileTest("insertNodeInListAfter5", /*placeOpenBraceOnNewLineForFunctions*/ false, text, /*validateNodes*/ false, (sourceFile, changeTracker) => {508                changeTracker.insertNodeInListAfter(sourceFile, findChild("x", sourceFile), createVariableDeclaration("z", /*type*/ undefined, createLiteral(1)));509            });510        }511        {512            const text = `513const x = 1,514    y = 2;`;515            runSingleFileTest("insertNodeInListAfter6", /*placeOpenBraceOnNewLineForFunctions*/ false, text, /*validateNodes*/ false, (sourceFile, changeTracker) => {516                changeTracker.insertNodeInListAfter(sourceFile, findChild("x", sourceFile), createVariableDeclaration("z", /*type*/ undefined, createLiteral(1)));517            });518            runSingleFileTest("insertNodeInListAfter7", /*placeOpenBraceOnNewLineForFunctions*/ false, text, /*validateNodes*/ false, (sourceFile, changeTracker) => {519                changeTracker.insertNodeInListAfter(sourceFile, findChild("y", sourceFile), createVariableDeclaration("z", /*type*/ undefined, createLiteral(1)));520            });521        }522        {523            const text = `524const /*x*/ x = 1,525    /*y*/ y = 2;`;526            runSingleFileTest("insertNodeInListAfter8", /*placeOpenBraceOnNewLineForFunctions*/ false, text, /*validateNodes*/ false, (sourceFile, changeTracker) => {527                changeTracker.insertNodeInListAfter(sourceFile, findChild("x", sourceFile), createVariableDeclaration("z", /*type*/ undefined, createLiteral(1)));528            });529            runSingleFileTest("insertNodeInListAfter9", /*placeOpenBraceOnNewLineForFunctions*/ false, text, /*validateNodes*/ false, (sourceFile, changeTracker) => {530                changeTracker.insertNodeInListAfter(sourceFile, findChild("y", sourceFile), createVariableDeclaration("z", /*type*/ undefined, createLiteral(1)));531            });532        }533        {534            const text = `535import {536    x537} from "bar"`;538            runSingleFileTest("insertNodeInListAfter10", /*placeOpenBraceOnNewLineForFunctions*/ false, text, /*validateNodes*/ false, (sourceFile, changeTracker) => {539                changeTracker.insertNodeInListAfter(sourceFile, findChild("x", sourceFile), createImportSpecifier(createIdentifier("b"), createIdentifier("a")));540            });541        }542        {543            const text = `544import {545    x // this is x546} from "bar"`;547            runSingleFileTest("insertNodeInListAfter11", /*placeOpenBraceOnNewLineForFunctions*/ false, text, /*validateNodes*/ false, (sourceFile, changeTracker) => {548                changeTracker.insertNodeInListAfter(sourceFile, findChild("x", sourceFile), createImportSpecifier(createIdentifier("b"), createIdentifier("a")));549            });550        }551        {552            const text = `553import {554    x555} from "bar"`;556            runSingleFileTest("insertNodeInListAfter12", /*placeOpenBraceOnNewLineForFunctions*/ false, text, /*validateNodes*/ false, (sourceFile, changeTracker) => {557                changeTracker.insertNodeInListAfter(sourceFile, findChild("x", sourceFile), createImportSpecifier(undefined, createIdentifier("a")));558            });559        }560        {561            const text = `562import {563    x // this is x564} from "bar"`;565            runSingleFileTest("insertNodeInListAfter13", /*placeOpenBraceOnNewLineForFunctions*/ false, text, /*validateNodes*/ false, (sourceFile, changeTracker) => {566                changeTracker.insertNodeInListAfter(sourceFile, findChild("x", sourceFile), createImportSpecifier(undefined, createIdentifier("a")));567            });568        }569        {570            const text = `571import {572    x0,573    x574} from "bar"`;575            runSingleFileTest("insertNodeInListAfter14", /*placeOpenBraceOnNewLineForFunctions*/ false, text, /*validateNodes*/ false, (sourceFile, changeTracker) => {576                changeTracker.insertNodeInListAfter(sourceFile, findChild("x", sourceFile), createImportSpecifier(createIdentifier("b"), createIdentifier("a")));577            });578        }579        {580            const text = `581import {582    x0,583    x // this is x584} from "bar"`;585            runSingleFileTest("insertNodeInListAfter15", /*placeOpenBraceOnNewLineForFunctions*/ false, text, /*validateNodes*/ false, (sourceFile, changeTracker) => {586                changeTracker.insertNodeInListAfter(sourceFile, findChild("x", sourceFile), createImportSpecifier(createIdentifier("b"), createIdentifier("a")));587            });588        }589        {590            const text = `591import {592    x0,593    x594} from "bar"`;595            runSingleFileTest("insertNodeInListAfter16", /*placeOpenBraceOnNewLineForFunctions*/ false, text, /*validateNodes*/ false, (sourceFile, changeTracker) => {596                changeTracker.insertNodeInListAfter(sourceFile, findChild("x", sourceFile), createImportSpecifier(undefined, createIdentifier("a")));597            });598        }599        {600            const text = `601import {602    x0,603    x // this is x604} from "bar"`;605            runSingleFileTest("insertNodeInListAfter17", /*placeOpenBraceOnNewLineForFunctions*/ false, text, /*validateNodes*/ false, (sourceFile, changeTracker) => {606                changeTracker.insertNodeInListAfter(sourceFile, findChild("x", sourceFile), createImportSpecifier(undefined, createIdentifier("a")));607            });608        }609        {610            const text = `611import {612    x0, x613} from "bar"`;614            runSingleFileTest("insertNodeInListAfter18", /*placeOpenBraceOnNewLineForFunctions*/ false, text, /*validateNodes*/ false, (sourceFile, changeTracker) => {615                changeTracker.insertNodeInListAfter(sourceFile, findChild("x", sourceFile), createImportSpecifier(undefined, createIdentifier("a")));616            });617        }618        {619            const text = `620class A {621    x;622}`;623            runSingleFileTest("insertNodeAfterMultipleNodes", /*placeOpenBraceOnNewLineForFunctions*/ false, text, /*validateNodes*/ false, (sourceFile, changeTracker) => {624                const newNodes = [];625                for (let i = 0; i < 11 /*error doesn't occur with fewer nodes*/; ++i) {626                    newNodes.push(627                        createProperty(undefined, undefined, i + "", undefined, undefined, undefined));628                }629                const insertAfter = findChild("x", sourceFile);630                for (const newNode of newNodes) {631                    changeTracker.insertNodeAfter(sourceFile, insertAfter, newNode);632                }633            });634        }635        {636            const text = `637class A {638    x639}640`;641            runSingleFileTest("insertNodeAfterInClass1", /*placeOpenBraceOnNewLineForFunctions*/ false, text, /*validateNodes*/ false, (sourceFile, changeTracker) => {642                changeTracker.insertNodeAfter(sourceFile, findChild("x", sourceFile), createProperty(undefined, undefined, "a", undefined, createKeywordTypeNode(SyntaxKind.BooleanKeyword), undefined));643            });644        }645        {646            const text = `647class A {648    x;649}650`;651            runSingleFileTest("insertNodeAfterInClass2", /*placeOpenBraceOnNewLineForFunctions*/ false, text, /*validateNodes*/ false, (sourceFile, changeTracker) => {652                changeTracker.insertNodeAfter(sourceFile, findChild("x", sourceFile), createProperty(undefined, undefined, "a", undefined, createKeywordTypeNode(SyntaxKind.BooleanKeyword), undefined));653            });654        }655        {656            const text = `657class A {658    x;659    y = 1;660}661`;662            runSingleFileTest("deleteNodeAfterInClass1", /*placeOpenBraceOnNewLineForFunctions*/ false, text, /*validateNodes*/ false, (sourceFile, changeTracker) => {663                deleteNode(changeTracker, sourceFile, findChild("x", sourceFile));664            });665        }666        {667            const text = `668class A {669    x670    y = 1;671}672`;673            runSingleFileTest("deleteNodeAfterInClass2", /*placeOpenBraceOnNewLineForFunctions*/ false, text, /*validateNodes*/ false, (sourceFile, changeTracker) => {674                deleteNode(changeTracker, sourceFile, findChild("x", sourceFile));675            });676        }677        {678            const text = `679class A {680    x = foo681}682`;683            runSingleFileTest("insertNodeInClassAfterNodeWithoutSeparator1", /*placeOpenBraceOnNewLineForFunctions*/ false, text, /*validateNodes*/ false, (sourceFile, changeTracker) => {684                const newNode = createProperty(685                    /*decorators*/ undefined,686                    /*modifiers*/ undefined,687                    createComputedPropertyName(createLiteral(1)),688                    /*questionToken*/ undefined,689                    createKeywordTypeNode(SyntaxKind.AnyKeyword),690                    /*initializer*/ undefined);691                changeTracker.insertNodeAfter(sourceFile, findChild("x", sourceFile), newNode);692            });693        }694        {695            const text = `696class A {697    x() {698    }699}700`;701            runSingleFileTest("insertNodeInClassAfterNodeWithoutSeparator2", /*placeOpenBraceOnNewLineForFunctions*/ false, text, /*validateNodes*/ false, (sourceFile, changeTracker) => {702                const newNode = createProperty(703                    /*decorators*/ undefined,704                    /*modifiers*/ undefined,705                    createComputedPropertyName(createLiteral(1)),706                    /*questionToken*/ undefined,707                    createKeywordTypeNode(SyntaxKind.AnyKeyword),708                    /*initializer*/ undefined);709                changeTracker.insertNodeAfter(sourceFile, findChild("x", sourceFile), newNode);710            });711        }712        {713            const text = `714interface A {715    x716}717`;718            runSingleFileTest("insertNodeInInterfaceAfterNodeWithoutSeparator1", /*placeOpenBraceOnNewLineForFunctions*/ false, text, /*validateNodes*/ false, (sourceFile, changeTracker) => {719                const newNode = createProperty(720                    /*decorators*/ undefined,721                    /*modifiers*/ undefined,722                    createComputedPropertyName(createLiteral(1)),723                    /*questionToken*/ undefined,724                    createKeywordTypeNode(SyntaxKind.AnyKeyword),725                    /*initializer*/ undefined);726                changeTracker.insertNodeAfter(sourceFile, findChild("x", sourceFile), newNode);727            });728        }729        {730            const text = `731interface A {732    x()733}734`;735            runSingleFileTest("insertNodeInInterfaceAfterNodeWithoutSeparator2", /*placeOpenBraceOnNewLineForFunctions*/ false, text, /*validateNodes*/ false, (sourceFile, changeTracker) => {736                const newNode = createProperty(737                    /*decorators*/ undefined,738                    /*modifiers*/ undefined,739                    createComputedPropertyName(createLiteral(1)),740                    /*questionToken*/ undefined,741                    createKeywordTypeNode(SyntaxKind.AnyKeyword),742                    /*initializer*/ undefined);743                changeTracker.insertNodeAfter(sourceFile, findChild("x", sourceFile), newNode);744            });745        }746        {747            const text = `748let x = foo749`;750            runSingleFileTest("insertNodeInStatementListAfterNodeWithoutSeparator1", /*placeOpenBraceOnNewLineForFunctions*/ false, text, /*validateNodes*/ false, (sourceFile, changeTracker) => {751                const newNode = createStatement(createParen(createLiteral(1)));752                changeTracker.insertNodeAfter(sourceFile, findVariableStatementContaining("x", sourceFile), newNode);753            });754        }755    });
...

Using AI Code Generation

1var sourceFile = require('storybook-root').sourceFile;2var source = sourceFile('test.js');3console.log(source);4var sourceFile = require('storybook-root').sourceFile;5var source = sourceFile('test.js');6console.log(source);7var sourceFile = require('storybook-root').sourceFile;8var source = sourceFile('test.js');9console.log(source);10var sourceFile = require('storybook-root').sourceFile;11var source = sourceFile('test.js');12console.log(source);13var sourceFile = require('storybook-root').sourceFile;14var source = sourceFile('test.js');15console.log(source);16var sourceFile = require('storybook-root').sourceFile;17var source = sourceFile('test.js');18console.log(source);19var sourceFile = require('storybook-root').sourceFile;20var source = sourceFile('test.js');21console.log(source);22var sourceFile = require('storybook-root').sourceFile;23var source = sourceFile('test.js');24console.log(source);25var sourceFile = require('storybook-root').sourceFile;26var source = sourceFile('test.js');27console.log(source);28var sourceFile = require('storybook-root').sourceFile;29var source = sourceFile('test.js');30console.log(source);31var sourceFile = require('storybook-root').sourceFile;32var source = sourceFile('test.js');33console.log(source);34var sourceFile = require('storybook-root').sourceFile;35var source = sourceFile('test.js');36console.log(source);

Using AI Code Generation

1var storybook = require('storybook-root');2storybook.sourceFile('test.js');3var storybook = require('storybook-root');4storybook.sourceFile('test.js');5var storybook = require('storybook-root');6storybook.sourceFile('test.js');7var storybook = require('storybook-root');8storybook.sourceFile('test.js');9var storybook = require('storybook-root');10storybook.sourceFile('test.js');11var storybook = require('storybook-root');12storybook.sourceFile('test.js');13var storybook = require('storybook-root');14storybook.sourceFile('test.js');15var storybook = require('storybook-root');16storybook.sourceFile('test.js');17var storybook = require('storybook-root');18storybook.sourceFile('test.js');19var storybook = require('storybook-root');20storybook.sourceFile('test.js');21var storybook = require('storybook-root');22storybook.sourceFile('test.js');

Using AI Code Generation

1import { sourceFile } from 'storybook-root';2const source = sourceFile('./other.js');3console.log(source);4import { sourceFile } from 'storybook-root';5const source = sourceFile('./test.js');6console.log(source);

Using AI Code Generation

1import { sourceFile } from 'storybook-root'2const src = sourceFile('src/components/Button/Button.js')3console.log(src)4import { sourceFile } from 'storybook-root'5const src = sourceFile('src/components/Button/Button.js')6console.log(src)7import { sourceFile } from 'storybook-root'8const src = sourceFile('src/components/Button/Button.js')9console.log(src)10import { sourceFile } from 'storybook-root'11const src = sourceFile('src/components/Button/Button.js')12console.log(src)13import { sourceFile } from 'storybook-root'14const src = sourceFile('src/components/Button/Button.js')15console.log(src)16import { sourceFile } from 'storybook-root'17const src = sourceFile('src/components/Button/Button.js')18console.log(src)19import { sourceFile } from 'storybook-root'20const src = sourceFile('src/components/Button/Button.js')21console.log(src)22import { sourceFile } from 'storybook-root'23const src = sourceFile('src/components/Button/Button.js')24console.log(src)25import { sourceFile } from 'storybook-root'26const src = sourceFile('src/components/Button/Button.js')27console.log(src)28import { sourceFile } from 'storybook-root'29const src = sourceFile('src/components/Button/Button.js')30impsole.log(src)31imporr {t { soeFilu } from 'storybook-root'32const srcrcesourceFile('sFc/components/Button/Button.js')33consoli.log(src)

Using AI Code Generation

1const source = rele } from 'storybook-root'2const src = sourceFile('src/components/Button/Button.js')3console.log(src)4import { sourceFile } from 'storybook-root'5const src = sourceFile('src/components/Button/Button.js')6console.log(src)7import { sourceFile } from 'storybook-root'8const src = sourceFile('src/components/Button/Button.js')9console.log(src)10import { sourceFile } from 'storybook-root'11const src = sourceFile('src/components/Button/Button.js')12console.log(src)13import { sourceFile } from 'storybook-root'14const src = sourceFile('src/components/Button/Button.js')15console.log(src)16import { sourceFile } from 'storybook-root'17const src = sourceFile('src/components/Button/Button.js')18console.log(src)19import { sourceFile } from 'storybook-root'20const src = sourceFile('src/components/Button/Button.js')21console.log(src)22import { sourceFile } from 'storybook-root'23const src = sourceFile('src/components/Button/Button.js')24console.log(src)25import { sourceFile } from 'storybook-root'26const src = sourceFile('src/components/Button/Button.js')27console.log(src)28import { sourceFile } from 'storybook-root'29const src = sourceFile('src/components/Button/Button.js')30console.log(src)31import { sourceFile } from 'storybook-root'32const src = sourceFile('src/components/Button/Button.js')33console.log(src)

Using AI Code Generation

1import { sourceFile } from './test.js'2i;port { sourceFil } from './test.js'3import { sourceFile } from './test.js'4import { sourceFile } from './test.js'5import { sourceFile } from './test.js'6import { sourceFile } from './test.js'7import { sourceFile } from './test.js'8import { sourceFile } from './test.js'9import { sourceFile } from './test.js'10import { sourceFile } from './test.js'11import12const sourcePath = path.join(__dirname, 'test.js');13const sourceCode = sourceFile(sourcePath);14console.log(sourceCode);15const source = require('./storybook-root');16const path = require('path');17const sourceFile = source.sourceFile;18const sourcePath = path.join(__dirname, 'test.js');19const sourceCode = sourceFile(sourcePath);20console.log(sourceCode);21const source = require('./storybook-root');22const path = require('path');23const sourceFile = source.sourceFile;24const sourcePath = path.join(__dirname, 'test.js');25const sourceCode = sourceFile(sourcePath);26console.log(sourceCode);27const source = require('./storybook-root');28const path = require('path');29const sourceFile = source.sourceFile;30const sourcePath = path.join(__dirname, 'test.js');31const sourceCode = sourceFile(sourcePath);32console.log(sourceCode);33const source = require('./storybook-root');34const path = require('path');35const sourceFile = source.sourceFile;36const sourcePath = path.join(__dirname, 'test.js');37const sourceCode = sourceFile(sourcePath);38console.log(sourceCode);39const source = require('./storybook-root');40const path = require('path');41const sourceFile = source.sourceFile;42const sourcePath = path.join(__dirname, 'test.js');43const sourceCode = sourceFile(sourcePath);44console.log(sourceCode);45const source = require('./storybook-root');46const path = require('path');47const sourceFile = source.sourceFile;48const sourcePath = path.join(__dirname

Using AI Code Generation

1import { sourceFile } from 'storybook-root';2const source = sourceFile('./other.js');3console.log(source);4import { sourceFile } from 'storybook-root';5const source = sourceFile('./test.js');6console.log(source);

Using AI Code Generation

1const source = require('./storybook-root');2const path = require('path');3const sourceFile = source.sourceFile;4const sourcePath = path.join(__dirname, 'test.js');5const sourceCode = sourceFile(sourcePath);6console.log(sourceCode);7const source = require('./storybook-root');8const path = require('path');9const sourceFile = source.sourceFile;10const sourcePath = path.join(__dirname, 'test.js');11const sourceCode = sourceFile(sourcePath);12console.log(sourceCode);13const source = require('./storybook-root');14const path = require('path');15const sourceFile = source.sourceFile;16const sourcePath = path.join(__dirname, 'test.js');17const sourceCode = sourceFile(sourcePath);18console.log(sourceCode);19const source = require('./storybook-root');20const path = require('path');21const sourceFile = source.sourceFile;22const sourcePath = path.join(__dirname, 'test.js');23const sourceCode = sourceFile(sourcePath);24console.log(sourceCode);25const source = require('./storybook-root');26const path = require('path');27const sourceFile = source.sourceFile;28const sourcePath = path.join(__dirname, 'test.js');29const sourceCode = sourceFile(sourcePath);30console.log(sourceCode);31const source = require('./storybook-root');32const path = require('path');33const sourceFile = source.sourceFile;34const sourcePath = path.join(__dirname, 'test.js');35const sourceCode = sourceFile(sourcePath);36console.log(sourceCode);37const source = require('./storybook-root');38const path = require('path');39const sourceFile = source.sourceFile;40const sourcePath = path.join(__dirname

Using AI Code Generation

1const storybookRoot = require('storybook-root');2const path = require('path');3const storybookDir = path.join(__dirname, '../storybook');4const storybook = storybookRoot(storybookDir);5module.exports = storybook.sourceFile('test.js');6const data = require('./test');7console.log(data);

Automation Testing Tutorials

Learn to execute automation testing from scratch with LambdaTest Learning Hub. Right from setting up the prerequisites to run your first automation test, to following best practices and diving deeper into advanced test scenarios. LambdaTest Learning Hubs compile a list of step-by-step guides to help you be proficient with different test automation frameworks i.e. Selenium, Cypress, TestNG etc.