How to use beforeScreenshot method in storybook-root

Best JavaScript code snippet using storybook-root

screenshots.js

Source:screenshots.js

...141      await page.goto(url, { waitUntil: 'networkidle2' })142    } catch (e) {}143    await page.waitFor(10 * 1000)144    if (options.beforeScreenshot) {145      await options.beforeScreenshot(page, browser)146      await page.waitFor(5 * 1000)147    }148    if (options.viewport) {149      await page.setViewport({ width: options.viewport.width, height: options.viewport.height })150    } else {151      await page.setViewport({ width: VIEWPORT_WIDTH, height: VIEWPORT_HEIGHT })152    }153    let [height, width] = await page.evaluate(() => [154      document.getElementsByTagName('html')[0].offsetHeight,155      document.getElementsByTagName('html')[0].offsetWidth156    ])157    console.log('ð¸', 'Screenshot', path)158    await page.screenshot({159      path: path,...

imageSnapshotWithStoryParameters.js

Source:imageSnapshotWithStoryParameters.js

...17  if (currentViewport && currentViewport !== Viewport.Default) {18    await page.emulate(devices[currentViewport]);19  }20  if (beforeScreenshot) {21    await beforeScreenshot(page, options);22  }23  if (captureRoot) {24    await page.$eval(25      '#root',26      (root, offset) => {27        root.style.padding = `${offset}px`;28      },29      offset30    );31    return page.$('#root');32  }33  return null;34}35function getCaptureRootScreenshotOptions() {36  return {37    encoding: 'base64', // encoding: 'base64' is a property required by puppeteer38    fullPage: !captureRoot39  };40}41/**42 * Create snapshot tests function with story parameters.43 * @param config - Snapshots config.44 * @returns Snapshot tests function.45 */46export function imageSnapshotWithStoryParameters(config) {47  const { beforeScreenshot, getScreenshotOptions } = config;48  const configWithBeforeScreenshot = {49    ...config,50    getScreenshotOptions: getScreenshotOptions51      ? options => ({52          ...getCaptureRootScreenshotOptions(options),53          ...getScreenshotOptions(options)54        })55      : getCaptureRootScreenshotOptions,56    beforeScreenshot: beforeScreenshot57      ? async (page, options) => {58          const captureTarget = await beforeScreenshotHook(page, options);59          await beforeScreenshot(page, options);60          return captureTarget;61        }62      : beforeScreenshotHook63  };64  const test = imageSnapshot(configWithBeforeScreenshot);65  const testFn = async options => {66    const { context } = options;67    const { storyshots: { viewports = [] } = {} } = context.parameters;68    if (!viewports.length) {69      await test(options);70      return;71    }72    for (const viewport of viewports) {73      const currentViewport =...

screenshot.js

Source:screenshot.js

...20    }21    await page.setContent(html, { waitUntil })22    const element = await page.$('body')23    if (beforeScreenshot && typeof beforeScreenshot === "function") {24      await beforeScreenshot(page);25    }26    const buffer = await element.screenshot({ path: output, type, omitBackground: transparent, encoding, ...screeshotArgs })27    return buffer...

Using AI Code Generation

1const puppeteer = require('puppeteer');2const beforeScreenshot = require('./storybook-root-configuration.js').beforeScreenshot;3(async () => {4  const browser = await puppeteer.launch();5  const page = await browser.newPage();6  await beforeScreenshot(page, { kind: 'Button', story: 'Primary' });7  await page.screenshot({ path: 'button.png' });8  await browser.close();9})();

Using AI Code Generation

1const { beforeScreenshot } = require('@storybook/addon-storyshots-puppeteer');2const { setDefaultOptions } = require('expect-puppeteer');3const { afterScreenshot } = require('@storybook/addon-storyshots-puppeteer');4const { compareScreenshot } = require('@storybook/addon-storyshots-puppeteer');5const { toMatchImageSnapshot } = require('jest-image-snapshot');6const { getMatchImageSnapshotOptions } = require('jest-image-snapshot');7const { toMatchDiffSnapshot } = require('jest-image-snapshot');8const { getMatchDiffSnapshotOptions } = require('jest-image-snapshot');9const { toMatchImageSnapshot } = require('jest-image-snapshot');10const { getMatchImageSnapshotOptions } = require('jest-image-snapshot');11const { toMatchDiffSnapshot } = require('jest-image-snapshot');12const { getMatchDiffSnapshotOptions } = require('jest-image-snapshot');13const { toMatchImageSnapshot } = require('jest-image-snapshot');14const { getMatchImageSnapshotOptions } = require('jest-image-snapshot');15const { toMatchDiffSnapshot } = require('jest-image-snapshot');16const { getMatchDiffSnapshotOptions } = require('jest-image-snapshot');17const { toMatchImageSnapshot } = require('jest-image-snapshot');

Using AI Code Generation

1const { storybookRoot } = require('@applitools/eyes-storybook');2const { storybookRoot } = require('@applitools/eyes-storybook');3const { beforeScreenshot } = storybookRoot;4const { Eyes, Target } = require('@applitools/eyes-webdriverio');5describe('Storybook', () => {6  it('should work', async () => {7    const eyes = new Eyes();8    await eyes.open(browser, 'Storybook', 'Test Storybook', {width: 800, height: 600});9    await eyes.check('Test Storybook', Target.window().fully());10    await eyes.close();11  });12});13const { storybookRoot } = require('@applitools/eyes-storybook');14const { beforeScreenshot } = storybookRoot;15const { Eyes, Target } = require('@applitools/eyes-webdriverio');16describe('Storybook', () => {17  it('should work', async () => {18    const eyes = new Eyes();19    await eyes.open(browser, 'Storybook', 'Test Storybook', {width: 800, height: 600});20    await eyes.check('Test Storybook', Target.window().fully());21    await eyes.close();22  });23});24const { storybookRoot } = require('@applitools/eyes-storybook');25const { beforeScreenshot } = storybookRoot;26const { Eyes, Target } = require('@applitools/eyes-webdriverio');27describe('Storybook', () => {28  it('should work', async () => {29    const eyes = new Eyes();30    await eyes.open(browser, 'Storybook', 'Test Storybook', {width: 800, height: 600});31    await eyes.check('Test Storybook', Target.window().fully());32    await eyes.close();33  });34});35const { storybookRoot } = require('@applitools/eyes-storybook');36const { beforeScreenshot } = storybookRoot

Using AI Code Generation

1const { beforeScreenshot } = require('storybook-chrome-screenshot');2const path = require('path');3beforeScreenshot(async (page, { context }) => {4  const browser = context.browser;5  const page = context.page;6  const client = context.client;7  const device = context.device;8  const dimensions = context.dimensions;9  const viewport = context.viewport;10  const url = context.url;11  const story = context.story;12  const kind = context.kind;13  const name = context.name;14});15"scripts": {16}17module.exports = {18};19import { configure, addDecorator } from '@storybook/react';20import { withScreenshot } from 'storybook-chrome-screenshot';21addDecorator(withScreenshot());22module.exports = (baseConfig, env, config) => {23  config.module.rules.push({24      {25        options: {26        }27      }28  });29  return config;30};31import 'storybook-chrome-screenshot/register';

Using AI Code Generation

1import { getStorybook, configure } from '@storybook/react';2import { setOptions } from '@storybook/addon-options';3import { setDefaults } from 'storybook-addon-visual-regression';4const req = require.context('../src', true, /\.stories\.(js|mdx)$/);5function loadStories() {6  req.keys().forEach(filename => req(filename));7}8setOptions({9});10setDefaults({11  viewport: { width: 800, height: 600 },12  beforeScreenshot: async (page, { context }) => {13    const storybook = await getStorybook();14    const story = storybook.find(s => s.kind === context.kind)[0];15    const element = await page.$(story.parameters.storybookRootSelector);16    await page.evaluate(element => {17      element.scrollIntoView({ behavior: 'smooth', block: 'center', inline: 'center' });18    }, element);19  },20});21configure(loadStories, module);22import { configure } from '@storybook/react';23import { setOptions } from '@storybook/addon-options';24setOptions({25});26function loadStories() {27  require('../src/stories');28}29configure(loadStories, module);30const path = require('path');31module.exports = async ({ config, mode }) => {32  config.module.rules.push({33    loaders: [require.resolve('@storybook/addon-storysource/loader')],34  });35  config.resolve.alias = {36    'storybook-addon-visual-regression': path.resolve(__dirname, '../src'),37  };38  return config;39};40import '@storybook/addon-actions/register';41import '@storybook/addon-knobs/register';42import '@storybook/addon-storysource/register';43import 'storybook-addon-visual-regression/register';

Using AI Code Generation

1const beforeScreenshot = require('storybook-root/beforeScreenshot');2const afterScreenshot = require('storybook-root/afterScreenshot');3const screenshot = require('storybook-root/screenshot');4describe('test', () => {5  beforeAll(async () => {6    await beforeScreenshot();7  });8  afterAll(async () => {9    await afterScreenshot();10  });11  it('should take screenshot', async () => {12    await screenshot('component-name');13  });14});15const { setDefaultOptions } = require('expect-puppeteer');16const { launchBrowser, launchStorybook } = require('./launch');17let browser;18let page;19module.exports = async () => {20  browser = await launchBrowser();21  page = await browser.newPage();22  await page.setViewport({ width: 1920, height: 1080 });23  await launchStorybook(page);24  setDefaultOptions({ timeout: 0 });25};26const { toMatchImageSnapshot } = require('jest-image-snapshot');27expect.extend({ toMatchImageSnapshot });28let browser;29module.exports = async () => {30  await browser.close();31};32const { toMatchImageSnapshot } = require('jest-image-snapshot');33expect.extend({ toMatchImageSnapshot });34const screenshot = async (componentName) => {35  const screenshot = await page.screenshot();36  expect(screenshot).toMatchImageSnapshot({37  });38};39module.exports = screenshot;40const puppeteer = require('puppeteer');

Using AI Code Generation

1import { getStorybookUI, configure } from '@storybook/react-native';2import { addDecorator } from '@storybook/react-native';3import { beforeScreenshot } from 'storybook-root';4configure(() => {5  require('./stories');6}, module);7const StorybookUIRoot = getStorybookUI({ port: 7007, host: 'localhost' });8addDecorator(beforeScreenshot);9export default StorybookUIRoot;10import { View } from 'react-native';11import { getStorybookUI, configure } from '@storybook/react-native';12import { addDecorator } from '@storybook/react-native';13import { beforeScreenshot } from 'storybook-root';14configure(() => {15  require('./stories');16}, module);17const StorybookUIRoot = getStorybookUI({ port: 7007, host: 'localhost' });18addDecorator(beforeScreenshot);19export default StorybookUIRoot;20import { storiesOf } from '@storybook/react-native';21import { beforeScreenshot } from 'storybook-root';22storiesOf('Button', module)23  .addDecorator(beforeScreenshot)24  .add('with text', () => <Button>Hello Button</Button>)25  .add('with some emoji', () => (26  ));

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