logaretm / vee-validate

✅ Painless Vue forms
https://vee-validate.logaretm.com/v4
MIT License
10.65k stars 1.24k forks source link
form form-validation forms hacktoberfest validate validation validation-library validations validator vee-validate vue vue2 vue3 vue3-composition-api vuejs

Painless Vue forms



Features

Getting Started

Installation

# Install with yarn
yarn add vee-validate

# Install with npm
npm install vee-validate --save

Vue version support

The main v4 version supports Vue 3.x only, for previous versions of Vue, check the following the table

vue Version vee-validate version Documentation Link
2.x 2.x or 3.x v2 or v3
3.x 4.x v4

Usage

vee-validate offers two styles to integrate form validation into your Vue.js apps.

Composition API

The fastest way to create a form and manage its validation, behavior, and values is with the composition API.

Create your form with useForm and then use defineField to create your field model and props/attributes and handleSubmit to use the values and send them to an API.

<script setup>
import { useForm } from 'vee-validate';

// Validation, or use `yup` or `zod`
function required(value) {
  return value ? true : 'This field is required';
}

// Create the form
const { defineField, handleSubmit, errors } = useForm({
  validationSchema: {
    field: required,
  },
});

// Define fields
const [field, fieldProps] = defineField('field');

// Submit handler
const onSubmit = handleSubmit(values => {
  // Submit to API
  console.log(values);
});
</script>

<template>
  <form @submit="onSubmit">
    <input v-model="field" v-bind="fieldProps" />
    <span>{{ errors.field }}</span>

    <button>Submit</button>
  </form>
</template>

You can do so much more than this, for more info check the composition API documentation.

Declarative Components

Higher-order components can also be used to build forms. Register the Field and Form components and create a simple required validator:

<script setup>
import { Field, Form } from 'vee-validate';

// Validation, or use `yup` or `zod`
function required(value) {
  return value ? true : 'This field is required';
}

// Submit handler
function onSubmit(values) {
  // Submit to API
  console.log(values);
}
</script>

<template>
  <Form v-slot="{ errors }" @submit="onSubmit">
    <Field name="field" :rules="required" />

    <span>{{ errors.field }}</span>

    <button>Submit</button>
  </Form>
</template>

The Field component renders an input of type text by default but you can control that

📚 Documentation

Read the documentation and demos.

Contributing

You are welcome to contribute to this project, but before you do, please make sure you read the contribution guide.

Credits

Emeriti

Here we honor past contributors and sponsors who have been a major part on this project.

⚖️ License

Released under MIT by @logaretm.