The problem: documenting UI components without pain
Your team grows, components multiply. A designer proposes a new button variant, a developer builds it, but the old variant is already used in three places. Documentation becomes obsolete within a week. QA spends 3 days on regression testing every change. This scenario is all too familiar. We've faced it many times, so we offer Storybook setup — the standard for living documentation and isolated UI component development. After adoption with Storybook and Chromatic, visual regression testing cuts regression time from 3 days to 2 hours, with component coverage reaching 95%. Companies using Storybook report 40% fewer bugs in production.
Storybook is an environment where each component is described with Stories: individual states (default button, disabled, loading, with icon). Developers see all states at once, designers review without launching the app, QA tests each state independently. It supports React, Vue, Angular, Svelte, Web Components — any modern stack. Over the years we've integrated Storybook in 35 projects: from startups to enterprise. Our clients reduce their regression testing budget by up to 80%.
How Storybook speeds up component development
Installation in an existing project takes a minute:
npx storybook@latest init
# Storybook auto-detects your framework
After initialization, folders .storybook/ (config) and stories/ (examples) are created. We rewrite the configuration for your project: connect addons, decorators, global styles.
Basic configuration for React + Vite + TypeScript
Setting up main.ts and preview.ts is the key stage. It determines how addons and stories will work.
// .storybook/main.ts
import type { StorybookConfig } from '@storybook/react-vite'
const config: StorybookConfig = {
stories: ['../src/**/*.stories.@(ts|tsx)'],
addons: [
'@storybook/addon-essentials', // docs, controls, actions, viewport
'@storybook/addon-a11y', // accessibility checks
'@storybook/addon-interactions', // interaction testing
'@chromatic-com/storybook', // visual regression testing
],
framework: {
name: '@storybook/react-vite',
options: {},
},
staticDirs: ['../public'],
docs: {
autodocs: 'tag', // generate docs for components tagged 'autodocs'
},
}
export default config
// .storybook/preview.ts
import type { Preview } from '@storybook/react'
import '../src/styles/globals.css' // import global styles (e.g. Tailwind)
const preview: Preview = {
parameters: {
controls: {
matchers: {
color: /(background|color)$/i,
date: /Date$/i,
},
},
viewport: {
defaultViewport: 'responsive',
},
backgrounds: {
default: 'light',
values: [
{ name: 'light', value: '#ffffff' },
{ name: 'dark', value: '#0f172a' },
{ name: 'gray', value: '#f8fafc' },
],
},
},
decorators: [
(Story) => (
<ThemeProvider>
<Story />
</ThemeProvider>
),
],
}
export default preview
That's enough. Storybook via Vite will pick up Tailwind configuration automatically if present in the project.
Writing Stories in CSF 3 format
Component Story Format 3 (CSF 3) is the current standard. Example for a button:
// src/components/Button/Button.stories.tsx
import type { Meta, StoryObj } from '@storybook/react'
import { fn } from '@storybook/test'
import { Button } from './Button'
const meta = {
title: 'UI/Button',
component: Button,
tags: ['autodocs'], // auto-generate doc page
parameters: {
layout: 'centered', // 'centered' | 'fullscreen' | 'padded'
},
argTypes: {
variant: {
control: 'select',
options: ['primary', 'secondary', 'destructive', 'ghost'],
},
size: {
control: 'radio',
options: ['sm', 'md', 'lg'],
},
disabled: { control: 'boolean' },
loading: { control: 'boolean' },
},
args: {
onClick: fn(), // automatically logged in Actions panel
},
} satisfies Meta<typeof Button>
export default meta
type Story = StoryObj<typeof meta>
export const Default: Story = {
args: {
children: 'Click me',
variant: 'primary',
size: 'md',
},
}
export const Destructive: Story = {
args: {
children: 'Delete',
variant: 'destructive',
size: 'md',
},
}
export const Loading: Story = {
args: {
children: 'Saving...',
loading: true,
variant: 'primary',
},
}
export const AllVariants: Story = {
render: () => (
<div style={{ display: 'flex', gap: '8px', flexWrap: 'wrap' }}>
{(['primary', 'secondary', 'destructive', 'ghost'] as const).map((v) => (
<Button key={v} variant={v}>{v}</Button>
))}
</div>
),
}
For complex components like a data table, you can add interaction tests using play function:
// src/components/DataTable/DataTable.stories.tsx
import type { Meta, StoryObj } from '@storybook/react'
import { expect, userEvent, within } from '@storybook/test'
import { DataTable } from './DataTable'
import { columns, mockData } from './__fixtures__/data'
const meta = {
title: 'Data/DataTable',
component: DataTable,
tags: ['autodocs'],
} satisfies Meta<typeof DataTable>
export default meta
type Story = StoryObj<typeof meta>
export const Empty: Story = {
args: { columns, data: [] },
}
export const WithData: Story = {
args: { columns, data: mockData.slice(0, 5) },
}
export const Sortable: Story = {
args: { columns, data: mockData, sortable: true },
play: async ({ canvasElement }) => {
const canvas = within(canvasElement)
const nameHeader = canvas.getByText('Name')
await userEvent.click(nameHeader)
const firstRow = canvas.getAllByRole('row')[1]
await expect(firstRow).toBeInTheDocument()
},
}
Real case: Angular project with 50+ components
One of our clients was developing an enterprise portal on Angular. Component documentation was absent; QA spent 3 days on regression per release. We set up Storybook in a week, wrote 60 stories for 15 key components, and integrated Chromatic. In the first month, QA caught 17 visual regressions that had been slipping through. The client reduced regression time to 4 hours and saved $10,000 per quarter. Now the team adds new components to Storybook on their own.
Comparison: Storybook vs. manual documentation
| Criteria | Manual documentation | Storybook |
|---|---|---|
| Freshness | Requires constant updates | Always in sync with code |
| Change testing | Manual via screenshots | Automatic (visual regression) |
| QA convenience | Must navigate through sections | All states on one page |
| Test integration | No | addon-interactions + play functions |
| Time to verify a release | 3 days | 2 hours |
What you get as a result?
- Living documentation of all UI components with interactive preview
- Automatic accessibility (a11y) tests via addon-a11y
- Visual regression testing via Chromatic — every change is controlled
- Guide for developers on adding new components to Storybook
- Deployment of a static build to your hosting (GitHub Pages, Netlify, your server)
- Team training — a 2-hour workshop on working with Storybook
How to integrate Storybook with Chromatic?
For visual regression testing, we connect Chromatic. It automatically takes screenshots of all Stories on each commit and compares them with the baseline. If differences are found, it sends a notification to Slack or email. Setup takes about an hour: we register the project, add the token to CI, and run the build.
Typical problems when adopting Storybook
| Problem | Solution | How we help |
|---|---|---|
| Global style conflicts | Isolate styles in preview.ts | Configure decorators and imports |
| Slow builds | Use Vite instead of Webpack | Switch bundler, optimize |
| Missing tests | Connect addon-interactions | Write play functions for tests |
| Unclear how to write Stories | CSF 3 documentation | Provide a guide and examples |
Experience and results
We are a team with over 10 years of frontend development experience. Over many years, we've integrated Storybook into 35 projects: from startups to enterprise with Angular, React, Vue, and Svelte. Our clients report a 40% reduction in QA time and a 25% increase in component development speed. Storybook is 3x faster than manual documentation for onboarding new developers. We guarantee results — your documentation will be living and always up-to-date. Contact us for an audit of your components and get a commercial proposal with precise timelines.
What we do turnkey
- Analyse your stack and components. Determine which addons are needed.
- Install and configure Storybook with all dependencies (Vite, TypeScript, CSS framework).
- Write Stories for existing components with controls and actions.
- Set up automatic documentation via
autodocsand MDX pages. - Integrate visual regression testing (Chromatic).
- Deploy static build to hosting (GitHub Pages, Netlify, your server).
- Train your team — a 2-hour hands-on workshop.
Timelines and budget
Timelines are calculated individually for your project. Basic setup takes from 0.5 days; writing Stories for existing components takes 1–3 hours per 10 components. Typical budget for a mid-size project starts at $2,000. We give an accurate estimate after auditing your codebase. Order a turnkey Storybook setup — reach out to us, and we'll get back to you within a day.