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React

React is an open-source JavaScript library for building user interfaces. It is maintained by Facebook and a community of individual developers and companies. React can be used as a base in the development of single-page or mobile applications.

  • You know how to write a function component. 📚
  • You know the difference between function and class components. 📚
  • You know how to define and modify local component's state. 📚
  • You know what Virtual DOM is and how React uses it to render components. 📚
  • You know how to use element events and how to incorporate them in React lifecycle 📚
  • You know component's lifecycle and know how to use each of the phases. 📚
  • You know and can use Context API 📚
  • You can use refs to bind to a native DOM element and interact with it in component lifecycle 📚
  • You understand concepts of higher order components and render functions, as well as their differences, pros and cons. 📚
  • You know how to prevent components from re-rendering. 📚
  • You know how to reconcile global state with local component's state 📚
  • You know how and when to use portals. 📚

Hooks

  • You can use useState and useEffect hooks. 📚
  • You know how hook dependency array works. 📚
  • You know how to write a custom React hook. 📚
  • You understand pros and cons of using useCallback hook. 📚
  • You know how to use react-hook form 📚
  • You are familliar with react-infinite-scroll-hook 📚

react-use

  • You know how to incorporate react-use hooks in your component 📚
  • You understand the advantages/disadvantages of the API compared to Lodash

react-dom

  • You can explain how React.render function works. 📚
  • You can explain React.createPortal works. 📚
  • You can explain how React.hydrate function works. 📚

Components

downshift

  • You used it in a project 📚

react-day-picker

  • You used it in a project

react-loading-skeleton

  • You used it in a project 📚

react-dropzone

  • You used it in a project 📚

Contribution

We are very open to contributions to extend or change the requirements based on your gut and experience. To contribute you can use a pull request which will be later validated by our technical team and added to the main docs.

If you will spot any issues please add them in the Issues section.

Credits

This page is maintained by the 🔹 Flairs.ai and 🇵🇱 Apptension teams.

If you would like to create a dedicated Developer Handbook for your company, you can e-mail us 👉 contact@flairs.ai

License

MIT License

© 2020 Flairs Sp. z o.o.

Built and maintained by Flairs and Apptension.

Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions:

The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software.

THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.