Vue JS 3 Composition API Reusable / Scalable Form Validation - A Complete Guide

Vue JS 3 Composition API Reusable / Scalable Form Validation - A Complete Guide

Learn how to create reusable and scalable form validation for Signup and login pages in Vue JS 3 Using Composition API. Learn how to implement client-side form validation functionality in Vue js 3 Composition API for the sign-up and login pages

Learn how to create reusable and scalable form validation for Signup and login pages in Vue JS 3 Using Composition API

Want to learn how to implement client-side form validation functionality in Vue js 3 Composition API for the sign-up and login pages?

Then, you’ve come to the right place!

Before going any further, let’s take a look at what you’re going to learn in this Vue JS 3 Composition API tutorial.

As you can see from the final output below, all of the input fields in the sign-up form have empty check validation as well as additional validation such as email, min length etc on keyup and blur events.

When all the input fields are filled with no errors, the submit button is enabled, otherwise it is disabled.

Along the way, you’re going to learn how to create reusable and scalable code for form validation that you can use throughout your web app.

Sound interesting? Let’s get started!

  • Signup Form Vue Component
  • Input Field Child Component
  • Import Child Component To SignUp.vue
  • Input Field Validation Using Computed Property
  • Display The Validation Error Message
  • Input Field Validation Using Keyup & Blur Events
  • Create Reusable Form Validation Module
  • Validate Input Field Using Form Validation Module
  • Create Validator functions
  • Input Field Multiple Validation
  • Email Field Validation
  • Phone Field Validation
  • Password Field Validation
  • Sign Up Button State Validation
  • Create Reusable Submit Button State Module
  • Create User Object
  • Bind Input Field Data To The User Object
  • Reusable Login Page Validation

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