/age-calculator

Primary LanguageTypeScript

Age calculator app [Frontend Mentor]

application screenshot

This is a solution to the Age calculator app challenge on Frontend Mentor.

Table of contents

Overview

The challenge

Users should be able to:

  • View an age in years, months, and days after submitting a valid date through the form
  • Receive validation errors if:
    • Any field is empty when the form is submitted
    • The day number is not between 1-31
    • The month number is not between 1-12
    • The year is in the future
    • The date is invalid e.g. 31/04/1991 (there are 30 days in April)
  • View the optimal layout for the interface depending on their device's screen size
  • See hover and focus states for all interactive elements on the page
  • Bonus: See the age numbers animate to their final number when the form is submitted

My process

Built with

  • Semantic HTML5 markup
  • CSS custom properties
  • Flexbox
  • Desktop-first workflow
  • Typescript
  • React - JS library
  • Next.js - React framework
  • React Hook Form - For form validation
  • Zod - For form validation
  • Day.js - For date manipulation

What I learned

It was my first time using Next.js, React Hook Form, Zod and Day.js, which were the biggest challenges, besides making it responsive using media queries in CSS - something I had never done without using a framework like Tailwind CSS before.

There's still a long way to go, specially in making and validating forms, but it was pretty interesting to learn how to use React Hook Form and Zod, definitely a better way to work with forms.

Acknowledgement

People and resources that helped me get through the challenge.

Author