Best JavaScript code snippet using storybook-root
CsfFile.ts
Source:CsfFile.ts
...76 t.isObjectExpression(bindArguments[0]) &&77 bindArguments[0].properties.length === 0))78 ) {79 const boundIdentifier = callee.object.name;80 const template = findVarInitialization(boundIdentifier, parent);81 if (template) {82 // eslint-disable-next-line no-param-reassign83 csf._templates[boundIdentifier] = template;84 storyFn = template;85 }86 }87 }88 if (t.isArrowFunctionExpression(storyFn)) {89 return storyFn.params.length > 0;90 }91 return false;92};93const parseExportsOrder = (init: t.Expression) => {94 if (t.isArrayExpression(init)) {95 return init.elements.map((item: t.Expression) => {96 if (t.isStringLiteral(item)) {97 return item.value;98 }99 throw new Error(`Expected string literal named export: ${item}`);100 });101 }102 throw new Error(`Expected array of string literals: ${init}`);103};104const sortExports = (exportByName: Record<string, any>, order: string[]) => {105 return order.reduce((acc, name) => {106 const namedExport = exportByName[name];107 if (namedExport) acc[name] = namedExport;108 return acc;109 }, {} as Record<string, any>);110};111export interface CsfOptions {112 defaultTitle: string;113 fileName?: string;114}115export class NoMetaError extends Error {116 constructor(ast: t.Node, fileName?: string) {117 super(dedent`118 CSF: missing default export ${formatLocation(ast, fileName)}119 More info: https://storybook.js.org/docs/react/writing-stories/introduction#default-export120 `);121 this.name = this.constructor.name;122 }123}124export class CsfFile {125 _ast: t.File;126 _defaultTitle: string;127 _fileName: string;128 _meta?: Meta;129 _stories: Record<string, Story> = {};130 _metaAnnotations: Record<string, t.Node> = {};131 _storyExports: Record<string, t.VariableDeclarator> = {};132 _storyAnnotations: Record<string, Record<string, t.Node>> = {};133 _templates: Record<string, t.Expression> = {};134 _namedExportsOrder?: string[];135 constructor(ast: t.File, { defaultTitle, fileName }: CsfOptions) {136 this._ast = ast;137 this._defaultTitle = defaultTitle;138 this._fileName = fileName;139 }140 _parseTitle(value: t.Node) {141 const node = t.isIdentifier(value)142 ? findVarInitialization(value.name, this._ast.program)143 : value;144 if (t.isStringLiteral(node)) return node.value;145 throw new Error(dedent`146 CSF: unexpected dynamic title ${formatLocation(node, this._fileName)}147 More info: https://github.com/storybookjs/storybook/blob/next/MIGRATION.md#string-literal-titles148 `);149 }150 _parseMeta(declaration: t.ObjectExpression, program: t.Program) {151 const meta: Meta = {};152 declaration.properties.forEach((p: t.ObjectProperty) => {153 if (t.isIdentifier(p.key)) {154 this._metaAnnotations[p.key.name] = p.value;155 if (p.key.name === 'title') {156 meta.title = this._parseTitle(p.value);157 } else if (['includeStories', 'excludeStories'].includes(p.key.name)) {158 // @ts-ignore159 meta[p.key.name] = parseIncludeExclude(p.value);160 } else if (p.key.name === 'component') {161 const { code } = generate(p.value, {});162 meta.component = code;163 } else if (p.key.name === 'id') {164 if (t.isStringLiteral(p.value)) {165 meta.id = p.value.value;166 } else {167 throw new Error(`Unexpected component id: ${p.value}`);168 }169 }170 }171 });172 this._meta = meta;173 }174 parse() {175 // eslint-disable-next-line @typescript-eslint/no-this-alias176 const self = this;177 traverse(this._ast, {178 ExportDefaultDeclaration: {179 enter({ node, parent }) {180 let metaNode: t.ObjectExpression;181 if (t.isObjectExpression(node.declaration)) {182 // export default { ... };183 metaNode = node.declaration;184 } else if (185 // export default { ... } as Meta<...>186 t.isTSAsExpression(node.declaration) &&187 t.isObjectExpression(node.declaration.expression)188 ) {189 metaNode = node.declaration.expression;190 } else if (t.isIdentifier(node.declaration) && t.isProgram(parent)) {191 const init = findVarInitialization(node.declaration.name, parent);192 if (t.isObjectExpression(init)) {193 metaNode = init;194 }195 }196 if (!self._meta && metaNode && t.isProgram(parent)) {197 self._parseMeta(metaNode, parent);198 }199 },200 },201 ExportNamedDeclaration: {202 enter({ node, parent }) {203 if (t.isVariableDeclaration(node.declaration)) {204 // export const X = ...;205 node.declaration.declarations.forEach((decl) => {...
CsfFile.js
Source:CsfFile.js
...52 arguments: bindArguments53 } = init;54 if (t.isProgram(parent) && t.isMemberExpression(callee) && t.isIdentifier(callee.object) && t.isIdentifier(callee.property) && callee.property.name === 'bind' && (bindArguments.length === 0 || bindArguments.length === 1 && t.isObjectExpression(bindArguments[0]) && bindArguments[0].properties.length === 0)) {55 const boundIdentifier = callee.object.name;56 const template = findVarInitialization(boundIdentifier, parent);57 if (template) {58 // eslint-disable-next-line no-param-reassign59 csf._templates[boundIdentifier] = template;60 storyFn = template;61 }62 }63 }64 if (t.isArrowFunctionExpression(storyFn)) {65 return storyFn.params.length > 0;66 }67 return false;68};69export class CsfFile {70 constructor(ast) {71 this._ast = void 0;72 this._meta = void 0;73 this._stories = {};74 this._metaAnnotations = {};75 this._storyExports = {};76 this._storyAnnotations = {};77 this._templates = {};78 this._ast = ast;79 }80 _parseMeta(declaration) {81 const meta = {};82 declaration.properties.forEach(p => {83 if (t.isIdentifier(p.key)) {84 this._metaAnnotations[p.key.name] = p.value;85 if (p.key.name === 'title') {86 meta.title = parseTitle(p.value);87 } else if (['includeStories', 'excludeStories'].includes(p.key.name)) {88 // @ts-ignore89 meta[p.key.name] = parseIncludeExclude(p.value);90 } else if (p.key.name === 'component') {91 if (t.isIdentifier(p.value)) {92 meta.component = p.value.name;93 } else if (t.isStringLiteral(p.value)) {94 meta.component = p.value.value;95 }96 }97 }98 });99 this._meta = meta;100 }101 parse() {102 var _self$_meta, _self$_meta2;103 // eslint-disable-next-line @typescript-eslint/no-this-alias104 const self = this;105 traverse(this._ast, {106 ExportDefaultDeclaration: {107 enter({108 node,109 parent110 }) {111 let metaNode;112 if (t.isObjectExpression(node.declaration)) {113 // export default { ... };114 metaNode = node.declaration;115 } else if ( // export default { ... } as Meta<...>116 t.isTSAsExpression(node.declaration) && t.isObjectExpression(node.declaration.expression)) {117 metaNode = node.declaration.expression;118 } else if (t.isIdentifier(node.declaration) && t.isProgram(parent)) {119 const init = findVarInitialization(node.declaration.name, parent);120 if (t.isObjectExpression(init)) {121 metaNode = init;122 }123 }124 if (!self._meta && metaNode) {125 self._parseMeta(metaNode);126 }127 }128 },129 ExportNamedDeclaration: {130 enter({131 node,132 parent133 }) {...
Using AI Code Generation
1const findVarInitialization = require('storybook-root').findVarInitialization;2const varName = 'varName';3const varValue = 'varValue';4const varInit = findVarInitialization(varName, varValue);5console.log(varInit);6const findVarInitialization = require('storybook-root').findVarInitialization;7const varName = 'varName';8const varValue = 'varValue';9const varInit = findVarInitialization(varName, varValue);10console.log(varInit);11const findVarInitialization = require('storybook-root').findVarInitialization;12const varName = 'varName';13const varValue = 'varValue';14const varInit = findVarInitialization(varName, varValue);15console.log(varInit);16const findVarInitialization = require('storybook-root').findVarInitialization;17const varName = 'varName';18const varValue = 'varValue';19const varInit = findVarInitialization(varName, varValue);20console.log(varInit);21const findVarInitialization = require('storybook-root').findVarInitialization;22const varName = 'varName';23const varValue = 'varValue';24const varInit = findVarInitialization(varName, varValue);25console.log(varInit);26const findVarInitialization = require('storybook-root').findVarInitialization;27const varName = 'varName';28const varValue = 'varValue';29const varInit = findVarInitialization(varName, varValue);30console.log(varInit);31const findVarInitialization = require('storybook-root').findVarInitialization;32const varName = 'varName';33const varValue = 'varValue';
Using AI Code Generation
1import { findVarInitialization } from 'storybook-root'2import { findVarInitialization } from 'storybook-root'3import { findVarInitialization } from 'storybook-root'4import { findVarInitialization } from 'storybook-root'5import { findVarInitialization } from 'storybook-root'6import { findVarInitialization } from 'storybook-root'7import { findVarInitialization } from 'storybook-root'8console.log(findVarInitialization('b'))
Using AI Code Generation
1import { findVarInitialization } from 'storybook-root';2const variable = findVarInitialization('variableName');3import { findVariable } from 'storybook-root';4const variable = findVariable('variableName');5import { findVarInitialization } from 'storybook-root';6const variable = findVarInitialization('variableName');7import { findVariable } from 'storybook-root';8const variable = findVariable('variableName');9import { findVarInitialization } from 'storybook-root';10const variable = findVarInitialization('variableName');11import { findVariable } from 'storybook-root';12const variable = findVariable('variableName');13import { findVarInitialization } from 'storybook-root';14const variable = findVarInitialization('variableName');15import { findVariable } from 'storybook-root';16const variable = findVariable('variableName');17import { findVarInitialization } from 'storybook-root';18const variable = findVarInitialization('variableName');19import { findVariable } from 'storybook-root';20const variable = findVariable('variableName');21import { findVarInitialization } from 'storybook-root';22const variable = findVarInitialization('variableName');23import { findVariable } from 'storybook-root';24const variable = findVariable('variableName');25import { findVarInitialization } from 'storybook-root';26const variable = findVarInitialization('variableName');27import { findVariable } from 'storybook-root';28const variable = findVariable('variableName');
Using AI Code Generation
1var storybookRoot = require('storybook-root');2var findVarInitialization = storybookRoot.findVarInitialization;3var ast = findVarInitialization('var a = 5; var b = 6; a = 7;');4console.log(ast);5var storybookRoot = require('storybook-root');6var findVarInitialization = storybookRoot.findVarInitialization;7var ast = findVarInitialization('var a = 5; var b = 6; a = 7;');8console.log(ast);9var storybookRoot = require('storybook-root');10var findVarInitialization = storybookRoot.findVarInitialization;11var ast = findVarInitialization('var a = 5; var b = 6; a = 7;');12console.log(ast);13var storybookRoot = require('storybook-root');14var findVarInitialization = storybookRoot.findVarInitialization;15var ast = findVarInitialization('var a = 5; var b = 6; a = 7;');16console.log(ast);17var storybookRoot = require('storybook-root');18var findVarInitialization = storybookRoot.findVarInitialization;19var ast = findVarInitialization('var a = 5; var b = 6; a = 7;');20console.log(ast);
Using AI Code Generation
1import { findVarInitialization } from 'storybook-root';2import { findVarInitialization } from 'storybook-root/lib/variable-initializer';3import { findVarInitialization } from 'storybook-root/lib/variable-initializer/variable-initializer';4import { findVarInitialization } from 'storybook-root/lib/variable-initializer';5import { findVarInitialization } from 'storybook-root/lib/variable-initializer/variable-initializer';6import { findVarInitialization } from 'storybook-root/lib/variable-initializer';7import { findVarInitialization } from 'storybook-root/lib/variable-initializer/variable-initializer';8import { findVarInitialization } from 'storybook-root/lib/variable-initializer/variable-initializer';9import { findVarInitialization } from 'storybook-root/lib/variable-initializer';10import { findVarInitialization } from 'storybook-root/lib/variable-initializer/variable-initializer';11import { findVarInitialization } from 'storybook-root/lib/variable-initializer';12import { findVarInitialization } from 'storybook-root/lib/variable-initializer/variable-initializer';13import { findVarInitialization } from 'storybook-root/lib/variable-initializer';14import { findVarInitialization } from 'storybook-root/lib/variable-initializer/variable-initializer';15import { findVarInitialization } from 'storybook-root/lib/variable-initializer/variable-initializer';16import { findVarInitialization } from 'storybook-root/lib/variable-initializer';17import { findVarInitialization } from 'storybook-root/lib/variable-initializer/variable-initializer';
Using AI Code Generation
1import { findVarInitialization } from 'storybook-root';2const test = findVarInitialization('test');3const findVarInitialization = (name) => {4 const code = `var ${name} = 5;`;5 const ast = parse(code);6 const node = ast.body[0];7 return node.declarations[0].init.value;8};9module.exports = { findVarInitialization };10const storybookRoot = require('storybook-root');11const root = storybookRoot();12console.log(root);
Using AI Code Generation
1var storybookRootPath = 'storybook-root';2var fileWithVarPath = 'file-with-var.js';3var varName = 'varName';4var functionName = 'functionName';5var varName = 'varName';6var functionName = 'functionName';7var varName = 'varName';8var functionName = 'functionName';9var storybookRoot = require(storybookRootPath);10var varInitialization = storybookRoot.findVarInitialization(fileWithVarPath, varName, functionName);11var varValue = storybookRoot.execute(varInitialization);12console.log(varValue);13var varValue = storybookRoot.findAndExecuteVarInitialization(fileWithVarPath, varName, functionName);14console.log(varValue);15var varValue = storybookRoot.findAndExecuteVarInitialization(fileWithVarPath, varName, functionName);16console.log(varValue);17var varValue = storybookRoot.findAndExecuteVarInitialization(fileWithVarPath, varName, functionName);18console.log(varValue);19var varValue = storybookRoot.findAndExecuteVarInitialization(fileWithVarPath, varName, functionName);20console.log(varValue);21var varValue = storybookRoot.findAndExecuteVarInitialization(fileWithVarPath, varName, functionName);
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.
You could also refer to video tutorials over LambdaTest YouTube channel to get step by step demonstration from industry experts.
Get 100 minutes of automation test minutes FREE!!