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TypeScript, React, react-hook-form, Yup, SCSS, React-Select

ALapina
ALapina
pushedAt 7 months ago

ALapina/Contact-Us-Form

Contact Us Form

🔗 Live Link / Demo Link:

🛠 Technologies Used:

Available Scripts

In the project directory, you can run:

npm start

Runs the app in the development mode.
Open http://localhost:3000 to view it in the browser.

npm run build

Builds the app for production to the build folder.

Project Styling

I was choosing between Styled-components and SCSS for this project and decided to go with SCSS approach based on these reasons:

  1. The final styles file have smaller size
  2. The biggest benefit of having styles scoped for each component with Styled-components seemed like too much for a contact form page
  3. Styles-components require more setup steps and adds additional wrapper around each React component

Create React App

For development and final build I chose to use CreateReactApp based on these points:

  1. I could concentrate on the logic, rather than on configuring my own Webpack build
  2. CreateReactApp already use webpack, Babel, ESLint, and others under the hood.
  3. And it's already includes a lot of optimizations that I would otherwise had to investigate and add myself

Also I'm using GitHub action for easy no sweat automatically build and deploy project to GitHub pages

React Hook Form

One of the core pieces of this project is handling the form. I already used Formik in the past project, but after analyzing the size of the library, decided to go with the next popular choice - React Hook Form. Strong sides of this library:

  1. Small size of the library
  2. Does not depend on other libraries except React
  3. Plays nice with Yup validation schema
  4. Strong accessibility support
  5. Easy to follow documentation that allowed me to use the library quite fast without prior experience with it

Country Input with React Select

The contact form have a requirement that country input needs to show country flag for better user experience. I think that was one of the most challenging parts of the project:

  • It is hard to style the browser native select input
  • Native select option can only contain text

I investigated a few popular NPM packages for this feature:

  1. react-country-region-selector - good lightweight selector with counties, but there is no flag information in the options
  2. react-flags-select - Ready to use country select component, but the size of the library is huge ~1.8mb

The other option that I considered and with which I went in the end - is to fetch country list with flags from the open REST API and use React-Select to display this information. The advantages of this approach:

  1. Smaller build size compared to previously checked libraries
  2. Fetching the country list is async and user is not blocked to start filling the form
  3. React-select comes with autocomplete, which allows user to search the country rather than selecting it by scrolling

Performance Analysis

I was curious how my application performs so I did analysis using these tools:

  1. First is taking time to read about bundle size of each library. One of the reason to choose ReactHookForm over Formik was exactly library size
  2. Using VS code extension Import Cost to see in real time when I importing the library how much it costs
  3. Google Lighthouse report
  4. Source Map Explorer as recommended by CreateReactApp documentation

In the end I am pretty happy with the result scores in all these tools. There is a lot to learn about performance field for me and mentioned tool are definitely now part of my professional toolbelt.

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