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How to use lookupStoryInstance method in storybook-root

Best JavaScript code snippet using storybook-root

sourceDecorator.ts

Source:sourceDecorator.ts

...36      if (!this._vnode) {37        return;38      }39      try {40        const storyNode = lookupStoryInstance(this, storyComponent);41        const code = vnodeToString(storyNode._vnode);42        const emitFormattedTemplate = async () => {43          const prettier = await import('prettier/standalone');44          const prettierHtml = await import('prettier/parser-html');45          channel.emit(46            SNIPPET_RENDERED,47            (context || {}).id,48            prettier.format(`<template>${code}</template>`, {49              parser: 'vue',50              plugins: [prettierHtml],51              // Because the parsed vnode missing spaces right before/after the surround tag,52              // we always get weird wrapped code without this option.53              htmlWhitespaceSensitivity: 'ignore',54            })55          );56        };57        emitFormattedTemplate();58      } catch (e) {59        logger.warn(`Failed to generate dynamic story source: ${e}`);60      }61    },62    template: '<story />',63  };64};65export function vnodeToString(vnode: Vue.VNode): string {66  const attrString = [67    ...(vnode.data?.slot ? ([['slot', vnode.data.slot]] as [string, any][]) : []),68    ['class', stringifyClassAttribute(vnode)],69    ...(vnode.componentOptions?.propsData ? Object.entries(vnode.componentOptions.propsData) : []),70    ...(vnode.data?.attrs ? Object.entries(vnode.data.attrs) : []),71  ]72    .filter(([name], index, list) => list.findIndex((item) => item[0] === name) === index)73    .map(([name, value]) => stringifyAttr(name, value))74    .filter(Boolean)75    .join(' ');76  if (!vnode.componentOptions) {77    // Non-component elements (div, span, etc...)78    if (vnode.tag) {79      if (!vnode.children) {80        return `<${vnode.tag} ${attrString}/>`;81      }82      return `<${vnode.tag} ${attrString}>${vnode.children.map(vnodeToString).join('')}</${83        vnode.tag84      }>`;85    }86    // TextNode87    if (vnode.text) {88      if (/[<>"&]/.test(vnode.text)) {89        return `{{\`${vnode.text.replace(/`/g, '\\`')}\`}}`;90      }91      return vnode.text;92    }93    // Unknown94    return '';95  }96  // Probably users never see the "unknown-component". It seems that vnode.tag97  // is always set.98  const tag = vnode.componentOptions.tag || vnode.tag || 'unknown-component';99  if (!vnode.componentOptions.children) {100    return `<${tag} ${attrString}/>`;101  }102  return `<${tag} ${attrString}>${vnode.componentOptions.children103    .map(vnodeToString)104    .join('')}</${tag}>`;105}106function stringifyClassAttribute(vnode: Vue.VNode): string | undefined {107  if (!vnode.data || (!vnode.data.staticClass && !vnode.data.class)) {108    return undefined;109  }110  return (111    [...(vnode.data.staticClass?.split(' ') ?? []), ...normalizeClassBinding(vnode.data.class)]112      .filter(Boolean)113      .join(' ') || undefined114  );115}116// https://vuejs.org/v2/guide/class-and-style.html#Binding-HTML-Classes117function normalizeClassBinding(binding: unknown): readonly string[] {118  if (!binding) {119    return [];120  }121  if (typeof binding === 'string') {122    return [binding];123  }124  if (binding instanceof Array) {125    // To handle an object-in-array binding smartly, we use recursion126    return binding.map(normalizeClassBinding).reduce((a, b) => [...a, ...b], []);127  }128  if (typeof binding === 'object') {129    return Object.entries(binding)130      .filter(([, active]) => !!active)131      .map(([className]) => className);132  }133  // Unknown class binding134  return [];135}136function stringifyAttr(attrName: string, value?: any): string | null {137  if (typeof value === 'undefined' || typeof value === 'function') {138    return null;139  }140  if (value === true) {141    return attrName;142  }143  if (typeof value === 'string') {144    return `${attrName}=${quote(value)}`;145  }146  // TODO: Better serialization (unquoted object key, Symbol/Classes, etc...)147  //       Seems like Prettier don't format JSON-look object (= when keys are quoted)148  return `:${attrName}=${quote(JSON.stringify(value))}`;149}150function quote(value: string) {151  return value.includes(`"`) && !value.includes(`'`)152    ? `'${value}'`153    : `"${value.replace(/"/g, '&quot;')}"`;154}155/**156 * Skip decorators and grab a story component itself.157 * https://github.com/pocka/storybook-addon-vue-info/pull/113158 */159function getStoryComponent(w: any) {160  let matched = w;161  while (162    matched &&163    matched.options &&164    matched.options.components &&165    matched.options.components.story &&166    matched.options.components.story.options &&167    matched.options.components.story.options.STORYBOOK_WRAPS168  ) {169    matched = matched.options.components.story.options.STORYBOOK_WRAPS;170  }171  return matched;172}173interface VueInternal {174  // We need to access this private property, in order to grab the vnode of the175  // component instead of the "vnode of the parent of the component".176  // Probably it's safe to rely on this because vm.$vnode is a reference for this.177  // https://github.com/vuejs/vue/issues/6070#issuecomment-314389883178  _vnode: Vue.VNode;179}180/**181 * Find the story's instance from VNode tree.182 */183function lookupStoryInstance(instance: Vue, storyComponent: any): (Vue & VueInternal) | null {184  if (185    instance.$vnode &&186    instance.$vnode.componentOptions &&187    instance.$vnode.componentOptions.Ctor === storyComponent188  ) {189    return instance as Vue & VueInternal;190  }191  for (let i = 0, l = instance.$children.length; i < l; i += 1) {192    const found = lookupStoryInstance(instance.$children[i], storyComponent);193    if (found) {194      return found;195    }196  }197  return null;...

vue.ts

Source:vue.ts

...110}111/**112 * Find the story's instance from VNode tree.113 */114function lookupStoryInstance(instance: Vue, storyComponent: any): any {115    if (instance.$vnode?.componentOptions?.Ctor === storyComponent) {116        return instance;117    }118    for (let i = 0, l = instance.$children.length; i < l; i += 1) {119        const found = lookupStoryInstance(instance.$children[i], storyComponent);120        if (found) {121            return found;122        }123    }124    return null;125}126export function getVueCodeSnippet(context: StoryContext): string | undefined {127    const story = getStory(context) as any;128    const storyComponent = getStoryComponent(story.options.STORYBOOK_WRAPS);129    const vm = new Vue({130        data() {131            return {132                STORYBOOK_VALUES: context.args133            };134        },135        render(h: any) {136            return h(story);137        }138    }).$mount();139    const storyNode = lookupStoryInstance(vm, storyComponent);140    if (!storyNode) {141        return;142    }143    const code = vnodeToString(storyNode._vnode);144    return prettier.format(`<template>${code}</template>`, {145        parser: "vue",146        plugins: [prettierHtml],147        // Because the parsed vnode missing spaces right before/after the surround tag,148        // We always get weird wrapped code without this option.149        htmlWhitespaceSensitivity: "ignore"150    });151}152export function getVueCodeLanguage(): string {153    return "html";...

Using AI Code Generation

1import React from 'react';2import {render} from 'react-dom';3import {lookupStoryInstance} from 'storybook-root-provider';4import {getStorybook} from '@storybook/react';5const storybook = getStorybook();6const story = storybook[0].stories[0];7const storyInstance = lookupStoryInstance(story);8render(storyInstance, document.getElementById('root'));

Using AI Code Generation

1import { lookupStoryInstance } from 'storybook-root-provider';2const storyInstance = lookupStoryInstance('test', 'test');3console.log(storyInstance);4import { lookupStoryInstance } from 'storybook-root-provider';5const storyInstance = lookupStoryInstance('test', 'test');6console.log(storyInstance);7import { lookupStoryInstance } from 'storybook-root-provider';8const storyInstance = lookupStoryInstance('test', 'test');9console.log(storyInstance);10import { lookupStoryInstance } from 'storybook-root-provider';11const storyInstance = lookupStoryInstance('test', 'test');12console.log(storyInstance);13import { lookupStoryInstance } from 'storybook-root-provider';14const storyInstance = lookupStoryInstance('test', 'test');15console.log(storyInstance);16import { lookupStoryInstance } from 'storybook-root-provider';17const storyInstance = lookupStoryInstance('test', 'test');18console.log(storyInstance);19import { lookupStoryInstance } from 'storybook-root-provider';20const storyInstance = lookupStoryInstance('test', 'test');21console.log(storyInstance);

Using AI Code Generation

1const lookupStoryInstance = require('storybook-root').lookupStoryInstance;2const story = lookupStoryInstance('storybook-root', 'Test', 'Test');3console.log(story);4"scripts": {5}6const lookupStoryInstance = require('storybook-root').lookupStoryInstance;7const story = lookupStoryInstance('storybook-root', 'Test', 'Test');8console.log(story);9"scripts": {10}11const lookupStoryInstance = require('storybook-root').lookupStoryInstance;12const story = lookupStoryInstance('storybook-root', 'Test', 'Test');13console.log(story);14"scripts": {15}

Using AI Code Generation

1const { lookupStoryInstance } = require("../../../storybook-root");2const { default: MyComponent } = lookupStoryInstance("MyComponent");3it("renders", () => {4  const wrapper = shallow(<MyComponent />);5  expect(wrapper).toMatchSnapshot();6});7const { lookupStoryInstance } = require("../../../storybook-root");8const { default: MyComponentStory } = lookupStoryInstance(9);10it("renders", () => {11  const wrapper = shallow(<MyComponentStory />);12  expect(wrapper).toMatchSnapshot();13});14const { lookupStoryInstance } = require("../../../storybook-root");15const { default: MyComponentStory } = lookupStoryInstance(16  { prop1: "value1" }17);18it("renders", () => {19  const wrapper = shallow(<MyComponentStory />);20  expect(wrapper).toMatchSnapshot();21});22const { lookupStoryInstance } = require("../../../storybook-root");23const { default: MyComponentStory } = lookupStoryInstance(24  { prop1: "value1" },25);26it("renders", () => {27  const wrapper = shallow(<MyComponentStory />);28  expect(wrapper).toMatchSnapshot();29});30const { lookupStoryInstance } = require("../../../storybook-root");31const { default: MyComponentStory } = lookupStoryInstance(32  {},33);34it("renders", () => {35  const wrapper = shallow(<MyComponentStory />);36  expect(wrapper).toMatchSnapshot();37});

Using AI Code Generation

1import { lookupStoryInstance } from 'storybook-root';2const storyInstance = lookupStoryInstance('Button', 'Default');3import { lookupStoryInstance } from 'storybook-root';4const storyInstance = lookupStoryInstance('Button', 'Default');5import { lookupStoryInstance } from 'storybook-root';6const storyInstance = lookupStoryInstance('Button', 'Default');7import { lookupStoryInstance } from 'storybook-root';8const storyInstance = lookupStoryInstance('Button', 'Default');9import { lookupStoryInstance } from 'storybook-root';10const storyInstance = lookupStoryInstance('Button', 'Default');11import { lookupStoryInstance } from 'storybook-root';12const storyInstance = lookupStoryInstance('Button', 'Default');13import { lookupStoryInstance } from 'storybook-root';14const storyInstance = lookupStoryInstance('Button', 'Default');

Using AI Code Generation

1import { lookupStoryInstance } from 'storybook-root';2import { render } from '@testing-library/react';3import { getStoryInstance } from 'storybook-root';4const storyInstance = getStoryInstance('test-story');5const { container } = render(storyInstance);6const storyHtml = container.innerHTML;7import { getStorybook } from '@storybook/react';8import { Story } from '@storybook/react/types-6-0';9export const lookupStoryInstance = (storyName: string): Story => {10  const stories = getStorybook();11  for (const story of stories) {12    if (story.kind === 'Test Story') {13      return story.stories.find((s) => s.name === 'Test Story') as Story;14    }15  }16  throw new Error(`Story with name ${storyName} not found`);17};18import { getStorybook } from '@storybook/react';19import { Story } from '@storybook/react/types-6-0';20export const getStoryInstance = (storyName: string): Story => {21  const stories = getStorybook();22  for (const story of stories) {23    if (story.kind === 'Test Story') {24      return story.stories.find((s) => s.name === 'Test Story') as Story;25    }26  }27  throw new Error(`Story with name ${storyName} not found`);28};29import { getStorybook } from '@storybook/react';30import { Story } from '@storybook/react/types-6-0';31export const getStoryInstance = (storyName: string): Story => {32  const stories = getStorybook();33  for (const story of stories) {

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