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    🤩 @aircall/tractor

    The Aircall Tractor design system Foundations.

    Latest Staging version available on:

    Latest Production version available on:


    • 🌈 Aircall Design System designed for web applications.
    • 📦 A set of high-quality React components out of the box written with Styled-components.
    • 🛡 Written in TypeScript with predictable static types.
    • 🎨 Powerful theme customization in every detail.

    📦 Install

    npm install --save @aircall/tractor
    yarn add @aircall/tractor

    🔨 Usage

    import { Tractor, Spacer, Typography } from '@aircall/tractor';
    const App = () => (
      <Tractor injectStyle>
        <Spacer space="s">
          <Typography variant="displayM">Hello</Typography>
          <Typography variant="displayL">World</Typography>

    You are ready to go 🚜 ⚡️

    You must wrap your React Tree components using the Tractor component otherwise the Tractor components won't be able to grab the theme thus they will fail.

    ⌨️ Development

    You first need to clone the repository locally:

    $ git clone
    $ cd tractor
    $ yarn
    $ yarn start:storybook

    If you want to test this Design System with your project, you need to:

    $ cd tractor
    $ yarn link
    $ yarn build:watch
    $ cd path/to/your/project
    $ yarn link "@aircall/tractor"

    Make sure that your project is using a single version of React otherwise you will end up having errors:

    Use in create-react-app project

    In the real world, we usually have to modify default webpack config for custom needs. We can achieve that by using craco which is one of create-react-app's custom config solutions.

    Install craco and modify the scripts field in package.json.

    $ npm install --save-dev @craco/craco
    $ yarn add --dev @craco/craco
    /* package.json */
    "scripts": {
    -   "start": "react-scripts start",
    -   "build": "react-scripts build",
    -   "test": "react-scripts test",
    +   "start": "craco start",
    +   "build": "craco build",
    +   "test": "craco test",

    Then create a craco.config.js at root directory of your project for further overriding.

    /* craco.config.js */
    const path = require('path');
    module.exports = {
      webpack: {
        alias: {
          react: path.resolve('./node_modules/react')

    Use in project using Webpack

    /* webpack.config.js */
    const path = require('path');
    module.exports = {
      resolve: {
        alias: {
          react: path.resolve('./node_modules/react')

    If you are using Jest and in the same time linking tractor locally to your project, you might need to change your craco configuration to the following, in order to resolve the following issue: "hooks can only be called inside the body of a function component".

    /* craco.config.js */
    const CracoAlias = require('craco-alias');
    module.exports = {
      plugins: [
          plugin: CracoAlias,
          options: {
            source: 'options',
            baseUrl: './',
            aliases: {
              // You need to alias react to the one installed in the node_modules
              // in order to solve the error "hooks can only be called inside the body of a function component"
              // which is encountered during jest unit tests described at
              react: './node_modules/react'

    🤝 Contributing

    Generating Components

    The repo is using hygen to help us generate components using the command line.

    yarn component HelloWorld

    The command can take one argument: --stories, which determines whether the component should be generated with a stories.mdx file or not.


    We decided to use commitlint which is a small library that enforces the conventional commit format.

    In general the pattern mostly looks like this:

    type(scope?): subject  #scope is optional

    Real world examples can look like this:

    chore: run tests on travis ci
    fix(spacer): fix the margin on the small variant
    feat(button): implement new button component

    We recommend to use the type of the commit followed by the component name if possible and then followed when the actual commit message.

    We also encourage developers to split as much as possible their commits into small chunks so that it easy for us to review.

    Common types according to commitlint-config-conventional can be:

    • build
    • chore
    • ci
    • docs
    • feat
    • fix
    • impr
    • perf
    • refactor
    • revert
    • style
    • test

    Release & Publish

    When a or several PRs are merged into master, standard-version will generate the changelog and the bump the version of the package depending on all the commits between the previous tags and the latest commit on master.

    Publishing the repository to NPM is a matter of clicking on the Bitbucket Pipeline Publish Button.




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