Blockchain.com components library


6.1.13 years ago3 years agoMinified + gzip package size for @blockchain-com/components in KB


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js-standard-style Code Style: prettier Conventional Commits


The library Components is based on React and styled-components. It contains basic components, "atoms", and more complex "molecules" that are used on the Blockchain.com ecosystem.


Just a quick npm i @blockchain-com/components and you are good to go!


Icons usage

1. FontAwesome icons (free version)

Use <Fas... />

  • Fas is the type ("Fab", "Far" and "Fas" are avaible)

    • Fab matches the brand iconset
    • Fas matches the solid iconset
    • Far matches the regular iconset
  • ... is the FontAwesome icon name formatted as PascalCase.

The full icon list is available here


<FasCheckCircle />
<FarCheckCircle />
<FabFacebook />


2. Crypto icons

Use <Crypto.../>

The list of crypto icons is available here


<CryptoBtc />
<CryptoXlm />


3. Custom (bc) icons

Use <Bc... />

The list of custom icons is available here


<BcBlocks />
<BcTransactions />




Both yarn and npm are supported.

The commands are given using npm however you can use the yarn equivalent and it will Just Work™


If you want to change the library and reflect your changes on your consumer app without having to push to the repo and release, just:

  1. git clone git@github.com:blockchain/components.git
  2. cd path-to/components
  3. npm link
  4. cd path-to/my-app
  5. npm link @blockchain-com/components

:zap: you need to run npm link @blockchain-com/components everytime you run npm i or yarn...


  1. Ensure Node version >= 8.0 is installed
  2. Install packages: npm i
  3. Start application in dev mode: npm run start
  4. The library will now be accessible at localhost:6006


This library follows the Atomic Design principles.

An additional attention has be taken to ensure that all components are available and fully functional accross major web browsers*, as well as responsive on any screen sizes.

Browsers with > 1% usage:

  • IE 11
  • Safari 11+
  • Chrome / Edge / Firefox latest 2 major versions

Code Quality

1. Linting

The coding style rules are defined by Prettier and enforced by Eslint

The good practices™ that we follow are defined by the Javascript Standard Style

Following commands are available:

  • npm run lint:js
    • Lints JS code
  • npm run lint:css
    • Lints styled components

2. Unit Tests

Testing is done using Jest and Enzyme.

Following commands is available:

  • npm test
    • Run the unit tests

3. Git Hooks

We use Husky to automatically deploy git hooks

On every git commit and git push we run the unit tests and the linting tasks.

The commit messages are also validated and must follow the Conventional Commits spec.

If you find any bugs or have a feature request, please open an issue on github!

The npm package download data comes from npm's download counts api and package details come from npms.io.