How to use storyExports method in storybook-test-runner

Best JavaScript code snippet using storybook-test-runner

mdx-compiler-plugin.js

Source:mdx-compiler-plugin.js

1const mdxToJsx = require('@mdx-js/mdx/mdx-hast-to-jsx');2const parser = require('@babel/parser');3const generate = require('@babel/generator').default;4const camelCase = require('lodash/camelCase');5const jsStringEscape = require('js-string-escape');6const { toId, storyNameFromExport } = require('@storybook/router/utils');7// Generate the MDX as is, but append named exports for every8// story in the contents9const STORY_REGEX = /^<Story[\s>]/;10const PREVIEW_REGEX = /^<Preview[\s>]/;11const META_REGEX = /^<Meta[\s>]/;12const RESERVED = /^(?:do|if|in|for|let|new|try|var|case|else|enum|eval|false|null|this|true|void|with|await|break|catch|class|const|super|throw|while|yield|delete|export|import|public|return|static|switch|typeof|default|extends|finally|package|private|continue|debugger|function|arguments|interface|protected|implements|instanceof)$/;13function getAttr(elt, what) {14  const attr = elt.attributes.find(n => n.name.name === what);15  return attr && attr.value;16}17const isReserved = name => RESERVED.exec(name);18const sanitizeName = name => {19  let key = camelCase(name);20  if (isReserved(key)) {21    key = `${key}Story`;22  }23  return key;24};25const getStoryKey = (name, counter) => (name ? sanitizeName(name) : `story${counter}`);26function genStoryExport(ast, context) {27  let storyName = getAttr(ast.openingElement, 'name');28  let storyId = getAttr(ast.openingElement, 'id');29  storyName = storyName && storyName.value;30  storyId = storyId && storyId.value;31  if (!storyId && !storyName) {32    throw new Error('Expected a story name or ID attribute');33  }34  // We don't generate exports for story references or the smart "current story"35  if (storyId || !storyName) {36    return null;37  }38  // console.log('genStoryExport', JSON.stringify(ast, null, 2));39  const statements = [];40  const storyKey = getStoryKey(storyName, context.counter);41  let body = ast.children.find(n => n.type !== 'JSXText');42  let storyCode = null;43  let isJsx = false;44  if (!body) {45    // plain text node46    const { code } = generate(ast.children[0], {});47    storyCode = `'${code}'`;48  } else {49    if (body.type === 'JSXExpressionContainer') {50      // FIXME: handle fragments51      body = body.expression;52    } else {53      isJsx = true;54    }55    const { code } = generate(body, {});56    storyCode = code;57  }58  if (isJsx) {59    statements.push(60      `export const ${storyKey} = () => (61        ${storyCode}62      );`63    );64  } else {65    statements.push(`export const ${storyKey} = makeStoryFn(${storyCode});`);66  }67  statements.push(`${storyKey}.story = {};`);68  // always preserve the name, since CSF exports can get modified by displayName69  statements.push(`${storyKey}.story.name = '${storyName}';`);70  let parameters = getAttr(ast.openingElement, 'parameters');71  parameters = parameters && parameters.expression;72  const source = jsStringEscape(storyCode);73  if (parameters) {74    const { code: params } = generate(parameters, {});75    // FIXME: hack in the story's source as a parameter76    statements.push(`${storyKey}.story.parameters = { mdxSource: '${source}', ...${params} };`);77  } else {78    statements.push(`${storyKey}.story.parameters = { mdxSource: '${source}' };`);79  }80  let decorators = getAttr(ast.openingElement, 'decorators');81  decorators = decorators && decorators.expression;82  if (decorators) {83    const { code: decos } = generate(decorators, {});84    statements.push(`${storyKey}.story.decorators = ${decos};`);85  }86  // eslint-disable-next-line no-param-reassign87  context.storyNameToKey[storyName] = storyKey;88  return {89    [storyKey]: statements.join('\n'),90  };91}92function genPreviewExports(ast, context) {93  // console.log('genPreviewExports', JSON.stringify(ast, null, 2));94  const previewExports = {};95  for (let i = 0; i < ast.children.length; i += 1) {96    const child = ast.children[i];97    if (child.type === 'JSXElement' && child.openingElement.name.name === 'Story') {98      const storyExport = genStoryExport(child, context);99      if (storyExport) {100        Object.assign(previewExports, storyExport);101        // eslint-disable-next-line no-param-reassign102        context.counter += 1;103      }104    }105  }106  return previewExports;107}108function genMeta(ast) {109  let title = getAttr(ast.openingElement, 'title');110  let parameters = getAttr(ast.openingElement, 'parameters');111  let decorators = getAttr(ast.openingElement, 'decorators');112  title = title && `'${title.value}'`;113  if (parameters && parameters.expression) {114    const { code: params } = generate(parameters.expression, {});115    parameters = params;116  }117  if (decorators && decorators.expression) {118    const { code: decos } = generate(decorators.expression, {});119    decorators = decos;120  }121  return {122    title,123    parameters,124    decorators,125  };126}127function getExports(node, counter) {128  const { value, type } = node;129  if (type === 'jsx') {130    if (STORY_REGEX.exec(value)) {131      // Single story132      const ast = parser.parseExpression(value, { plugins: ['jsx'] });133      const storyExport = genStoryExport(ast, counter);134      return storyExport && { stories: storyExport };135    }136    if (PREVIEW_REGEX.exec(value)) {137      // Preview, possibly containing multiple stories138      const ast = parser.parseExpression(value, { plugins: ['jsx'] });139      return { stories: genPreviewExports(ast, counter) };140    }141    if (META_REGEX.exec(value)) {142      // Preview, possibly containing multiple stories143      const ast = parser.parseExpression(value, { plugins: ['jsx'] });144      return { meta: genMeta(ast) };145    }146  }147  return null;148}149// insert `mdxKind` into the context so that we can know what "kind" we're rendering into150// when we render <Story name="xxx">...</Story>, since this MDX can be attached to any `selectedKind`!151const wrapperJs = `152componentMeta.parameters = componentMeta.parameters || {};153componentMeta.parameters.docs = {154  container: ({ context, children }) => <DocsContainer context={{...context, mdxStoryNameToId}}>{children}</DocsContainer>,155  page: MDXContent,156};157`.trim();158// Use this rather than JSON.stringify because `Meta`'s attributes159// are already valid code strings, so we want to insert them raw160// rather than add an extra set of quotes161function stringifyMeta(meta) {162  let result = '{ ';163  Object.entries(meta).forEach(([key, val]) => {164    if (val) {165      result += `${key}: ${val}, `;166    }167  });168  result += ' }';169  return result;170}171function extractExports(node, options) {172  // we're overriding default export173  const defaultJsx = mdxToJsx.toJSX(node, {}, { ...options, skipExport: true });174  const storyExports = [];175  const includeStories = [];176  let metaExport = null;177  const context = {178    counter: 0,179    storyNameToKey: {},180  };181  node.children.forEach(n => {182    const exports = getExports(n, context);183    if (exports) {184      const { stories, meta } = exports;185      if (stories) {186        Object.entries(stories).forEach(([key, story]) => {187          includeStories.push(key);188          storyExports.push(story);189        });190      }191      if (meta) {192        if (metaExport) {193          throw new Error('Meta can only be declared once');194        }195        metaExport = meta;196      }197    }198  });199  if (metaExport) {200    if (!storyExports.length) {201      storyExports.push('export const __page = () => { throw new Error("Docs-only story"); };');202      storyExports.push('__page.story = { parameters: { docsOnly: true } };');203      includeStories.push('__page');204    }205  } else {206    metaExport = {};207  }208  metaExport.includeStories = JSON.stringify(includeStories);209  const { title } = metaExport;210  const mdxStoryNameToId = Object.entries(context.storyNameToKey).reduce(211    (acc, [storyName, storyKey]) => {212      if (title) {213        acc[storyName] = toId(title, storyNameFromExport(storyKey));214      }215      return acc;216    },217    {}218  );219  const fullJsx = [220    'import { DocsContainer, makeStoryFn } from "@storybook/addon-docs/blocks";',221    defaultJsx,222    ...storyExports,223    `const componentMeta = ${stringifyMeta(metaExport)};`,224    `const mdxStoryNameToId = ${JSON.stringify(mdxStoryNameToId)};`,225    wrapperJs,226    'export default componentMeta;',227  ].join('\n\n');228  return fullJsx;229}230function createCompiler(mdxOptions) {231  return function compiler(options = {}) {232    this.Compiler = tree => extractExports(tree, options, mdxOptions);233  };234}...

mdx2.ts

Source:mdx2.ts

1import generate from '@babel/generator';2import * as t from '@babel/types';3import cloneDeep from 'lodash/cloneDeep';4import toBabel from 'estree-to-babel';5// Keeping as much code as possible from the original compiler to avoid breaking changes6import {7  genCanvasExports,8  genStoryExport,9  genMeta,10  CompilerOptions,11  Context,12  MetaExport,13  wrapperJs,14  stringifyMeta,15} from './sb-mdx-plugin';16export const SEPARATOR = '// =========';17export { wrapperJs };18function extractExports(root: t.File, options: CompilerOptions) {19  const context: Context = {20    counter: 0,21    storyNameToKey: {},22    namedExports: {},23  };24  const storyExports = [];25  const includeStories = [];26  let metaExport: MetaExport | null = null;27  const { code } = generate(root, {});28  let contents: t.ExpressionStatement;29  root.program.body.forEach((child) => {30    if (t.isExpressionStatement(child) && t.isJSXFragment(child.expression)) {31      if (contents) throw new Error('duplicate contents');32      contents = child;33    } else if (34      t.isExportNamedDeclaration(child) &&35      t.isVariableDeclaration(child.declaration) &&36      child.declaration.declarations.length === 137    ) {38      const declaration = child.declaration.declarations[0];39      if (t.isVariableDeclarator(declaration) && t.isIdentifier(declaration.id)) {40        const { name } = declaration.id;41        context.namedExports[name] = declaration.init;42      }43    }44  });45  if (contents) {46    const jsx = contents.expression as t.JSXFragment;47    jsx.children.forEach((child) => {48      if (t.isJSXElement(child)) {49        if (t.isJSXIdentifier(child.openingElement.name)) {50          const name = child.openingElement.name.name;51          let stories;52          if (['Canvas', 'Preview'].includes(name)) {53            stories = genCanvasExports(child, context);54          } else if (name === 'Story') {55            stories = genStoryExport(child, context);56          } else if (name === 'Meta') {57            const meta = genMeta(child, options);58            if (meta) {59              if (metaExport) {60                throw new Error('Meta can only be declared once');61              }62              metaExport = meta;63            }64          }65          if (stories) {66            Object.entries(stories).forEach(([key, story]) => {67              includeStories.push(key);68              storyExports.push(story);69            });70          }71        }72      } else if (t.isJSXExpressionContainer(child)) {73        // Skip string literals & other JSX expressions74      } else {75        throw new Error(`Unexpected JSX child: ${child.type}`);76      }77    });78  }79  if (metaExport) {80    if (!storyExports.length) {81      storyExports.push('export const __page = () => { throw new Error("Docs-only story"); };');82      storyExports.push('__page.parameters = { docsOnly: true };');83      includeStories.push('__page');84    }85  } else {86    metaExport = {};87  }88  metaExport.includeStories = JSON.stringify(includeStories);89  const fullJsx = [90    ...storyExports,91    `const componentMeta = ${stringifyMeta(metaExport)};`,92    `const mdxStoryNameToKey = ${JSON.stringify(context.storyNameToKey)};`,93    wrapperJs,94    'export default componentMeta;',95  ].join('\n\n');96  return fullJsx;97}98export const plugin = (store: any) => (root: any) => {99  const estree = store.toEstree(root);100  // toBabel mutates root, so we need to clone it101  const clone = cloneDeep(estree);102  const babel = toBabel(clone);103  store.exports = extractExports(babel, {});104  return root;105};106export const postprocess = (code: string, extractedExports: string) => {107  const lines = code.toString().trim().split('\n');108  // /*@jsxRuntime automatic @jsxImportSource react*/109  const first = lines.shift();110  return [111    first,112    'import { assertIsFn, AddContext } from "@storybook/addon-docs";',113    ...lines.filter((line) => !line.match(/^export default/)),114    SEPARATOR,115    extractedExports,116  ].join('\n');117};118export const mdxSync = (code: string) => {119  const { compileSync } = require('@mdx-js/mdx');120  const { toEstree } = require('hast-util-to-estree');121  const store = { exports: '', toEstree };122  const output = compileSync(code, {123    rehypePlugins: [[plugin, store]],124  });125  return postprocess(output.toString(), store.exports);126};...

loadCsfFile.js

Source:loadCsfFile.js

1import { toId } from '@storybook/csf';2export function loadCsfFile({ default: meta, ...storyExports }) {3  return {4    meta,5    ...Object.fromEntries(6      Object.entries(storyExports).map(([exportName, story]) => [7        toId(meta.title, exportName),8        story,9      ])10    ),11  };...

Using AI Code Generation

1const { storyExports } = require('storybook-test-runner');2const stories = storyExports(require.context('../src', true, /\.stories\.js$/));3const storybookTestRunner = require('storybook-test-runner');4const stories = storybookTestRunner(require.context('../src', true, /\.stories\.js$/));5const storybookTestRunner = require('storybook-test-runner');6const stories = storybookTestRunner(require.context('../src', true, /\.stories\.js$/), {7});8const storybookTestRunner = require('storybook-test-runner');9const stories = storybookTestRunner(require.context('../src', true, /\.stories\.js$/), {10});11const storybookTestRunner = require('storybook-test-runner');12const stories = storybookTestRunner(require.context('../src', true, /\.stories\.js$/), {13});14const storybookTestRunner = require('storybook-test-runner');15const stories = storybookTestRunner(require.context('../src', true, /\.stories\.js$/), {16});17const storybookTestRunner = require('storybook-test-runner');18const stories = storybookTestRunner(require.context('../src', true, /\.stories\.js$/), {19});20const storybookTestRunner = require('storybook-test-runner');21const stories = storybookTestRunner(require.context('../src', true, /\.stories\.js$/), {22});23const storybookTestRunner = require('storybook-test-runner');24const stories = storybookTestRunner(require.context('../src', true, /\.stories\.js$/), {25});26const storybookTestRunner = require('storybook-test-runner');27const stories = storybookTestRunner(require

Using AI Code Generation

1import { storyExports } from 'storybook-test-runner'2import { storiesOf } from '@storybook/react'3const stories = storyExports(require.context('../src', true, /stories\.js$/))4stories.forEach(story => {5  storiesOf(story.kind, module).add(story.name, story.story)6})7import React from 'react'8import { storiesOf } from '@storybook/react'9storiesOf('Button', module).add('with text', () => (10import React from 'react'11import { storiesOf } from '@storybook/react'12storiesOf('Link', module).add('with text', () => (13import React from 'react'14import { storiesOf } from '@storybook/react'15storiesOf('Label', module).add('with text', () => (16import React from 'react'17import { storiesOf } from '@storybook/react'18storiesOf('Text', module).add('with text', () => (19import React from 'react'20import { storiesOf } from '@storybook/react'21storiesOf('Heading', module).add('with text', () => (22import React from 'react'23import { storiesOf } from '@storybook/react'24storiesOf('Paragraph', module).add('with text', () => (25import React from 'react'26import { storiesOf } from '@storybook/react'27storiesOf('Box', module).add('with text', () => (28import React from 'react'29import { storiesOf } from '@storybook/react'30storiesOf('Container', module).add('with text', () => (31import React from 'react'32import { storiesOf } from '@storybook

Using AI Code Generation

1const { storyExports } = require('storybook-test-runner');2const { storybookTestRunner } = require('storybook-test-runner');3const { storybookTestRunner } = require('storybook-test-runner');4const storyExports = require('storybook-test-runner').storyExports;5const storybookTestRunner = require('storybook-test-runner').storybookTestRunner;6const storybookTestRunner = require('storybook-test-runner').storybookTestRunner;7const storybookTestRunner = require('storybook-test-runner');8const storyExports = storybookTestRunner.storyExports;9const storybookTestRunner = require('storybook-test-runner');10const storybookTestRunner = require('storybook-test-runner');11const storybookTestRunner = storybookTestRunner.storybookTestRunner;12const { storyExports } = require('storybook-test-runner');13const { storybookTestRunner } = require('storybook-test-runner');14const { storybookTestRunner } = require('storybook-test-runner');15const storyExports = require('storybook-test-runner').storyExports;16const storybookTestRunner = require('storybook-test-runner').storybookTestRunner;17const storybookTestRunner = require('storybook-test-runner').storybookTestRunner;18const storybookTestRunner = require('storybook-test-runner');19const storyExports = storybookTestRunner.storyExports;20const storybookTestRunner = require('storybook-test-runner');

Using AI Code Generation

1const { storyExports } = require('storybook-test-runner');2const stories = storyExports(require.context('../stories', true, /\.stories\.(js|mdx)$/));3const { storybookTestRunner } = require('storybook-test-runner');4const stories = storybookTestRunner(require.context('../stories', true, /\.stories\.(js|mdx)$/));5const { storybookTestRunner } = require('storybook-test-runner');6const stories = storybookTestRunner(require.context('../stories', true, /\.stories\.(js|mdx)$/), {7});8const { storybookTestRunner } = require('storybook-test-runner');9const stories = storybookTestRunner(require.context('../stories', true, /\.stories\.(js|mdx)$/), {10});11const { storybookTestRunner } = require('storybook-test-runner');12const stories = storybookTestRunner(require.context('../stories', true, /\.stories\.(js|mdx)$/), {13});14const { storybookTestRunner } = require('storybook-test-runner');15const stories = storybookTestRunner(require.context('../stories', true, /\.stories\.(js|mdx)$/), {16});17const { storybookTestRunner } = require('storybook-test-runner');18const stories = storybookTestRunner(require.context('../stories', true, /\.stories\.(

Using AI Code Generation

1const storyExports = require('storybook-test-runner').storyExports;2const storyExports = require('storybook-test-runner').storyExports;3module.exports = storyExports('stories/*.stories.js');4module.exports = {5  output: {6  },7  module: {8      {9          {10            loader: require.resolve('@storybook/addon-storyshots/loader'),11            options: {12              storyKindRegex: /^((?!.*?DontTest).)*$/,13            },14          },15      },16  },17};18const storyExports = require('storybook-test-runner').storyExports;19module.exports = storyExports('stories/*.stories.js');20const storyExports = require('storybook-test-runner').storyExports;21module.exports = storyExports('stories/*.stories.js');22const storyExports = require('storybook-test-runner').storyExports;23module.exports = storyExports('stories/*.stories.js');24const storyExports = require('storybook-test-runner').storyExports;25module.exports = storyExports('stories/*.stories.js');26const storyExports = require('storybook-test-runner').storyExports;27module.exports = storyExports('stories/*.stories.js');28const storyExports = require('storybook-test-runner').storyExports;29module.exports = storyExports('stories/*.stories.js');30const storyExports = require('storybook-test-runner').storyExports;31module.exports = storyExports('stories/*.stories.js');32const storyExports = require('storybook-test-runner').storyExports;33module.exports = storyExports('stories/*.stories.js');

Using AI Code Generation

1const { storyExports } = require('storybook-test-runner')2const stories = storyExports(require('../stories'))3import { storiesOf } from '@storybook/react'4import { withKnobs, text, boolean, number } from '@storybook/addon-knobs/react'5import { withInfo } from '@storybook/addon-info'6import MyComponent from './MyComponent'7storiesOf('MyComponent', module)8  .addDecorator(withKnobs)9  .addDecorator(withInfo)10  .add('with text', () => (11    <MyComponent text={text('text', 'hello')} />12  .add('with numbers', () => (13    <MyComponent number={number('number', 5)} />14  .add('with booleans', () => (15    <MyComponent boolean={boolean('boolean', true)} />16import React from 'react'17import { shallow } from 'enzyme'18import { storyExports } from 'storybook-test-runner'19import { stories } from '../stories'20const story = storyExports(stories)[0].story21const component = shallow(story())22test('should render the text', () => {23  expect(component.text()).toBe('hello')24})25import React from 'react'26import { shallow } from 'enzyme'27import { storyExports } from 'storybook-test-runner'28import { stories } from '../stories'29const story = storyExports(stories)[1].story30const component = shallow(story())31test('should render the number', () => {32  expect(component.text()).toBe('5')33})34import React from 'react'35import { shallow } from '

Using AI Code Generation

1import { storyExports } from 'storybook-test-runner';2export default storyExports;3import stories from './test.js';4import { testStories } from 'storybook-test-runner';5testStories(stories, {6});

Using AI Code Generation

1import storyExports from 'storybook-test-runner';2import { stories } from '../src/components/MyComponent.stories.js';3storyExports.runStory(stories, 'MyComponent', 'MyComponent');4import storyExports from 'storybook-test-runner';5import { stories } from '../src/components/MyComponent.stories.js';6storyExports.runStories(stories);7import storyExports from 'storybook-test-runner';8import * as stories from '../src/components';9storyExports.runStories(stories);10import storyExports from 'storybook-test-runner';11import * as stories from '../src/components';12storyExports.runStories(stories, /MyComponent/);13import storyExports from 'storybook-test-runner';14import * as stories from '../src/components';15storyExports.runStories(stories, /MyComponent/, {16  knobs: {17  }18});19- `knobs`: An object of options to pass to the [knobs](

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