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(vuelidate
Simple, lightweight model-based validation for Vue.js
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Features & characteristics:
- Model based
- Decoupled from templates
- Dependency free, minimalistic library
- Support for collection validations
- Support for nested models
- Contextified validators
- Easy to use with custom validators (e.g. Moment.js)
- Support for function composition
- Validates different data sources: Vuex getters, computed values, etc.
Demo & docs
https://vuelidate.netlify.com/
Installation
npm install vuelidate --save
You can import the library and use as a Vue plugin to enable the functionality globally on all components containing validation configuration.
import Vue from 'vue'
import Vuelidate from 'vuelidate'
Vue.use(Vuelidate)
Alternatively it is possible to import a mixin directly to components in which it will be used.
import { validationMixin } from 'vuelidate'
var Component = Vue.extend({
mixins: [validationMixin],
validations: { ... }
})
The browser-ready bundle is also provided in the package.
<script src="vuelidate/dist/vuelidate.min.js"></script>
<!-- The builtin validators is added by adding the following line. -->
<script src="vuelidate/dist/validators.min.js"></script>
Vue.use(window.vuelidate.default)
Basic usage
For each value you want to validate, you have to create a key inside validations options. You can specify when input becomes dirty by using appropriate event on your input box.
import { required, minLength, between } from 'vuelidate/lib/validators'
export default {
data () {
return {
name: '',
age: 0
}
},
validations: {
name: {
required,
minLength: minLength(4)
},
age: {
between: between(20, 30)
}
}
}
This will result in a validation object:
$v: {
name: {
"required": false,
"minLength": false,
"$invalid": true,
"$dirty": false,
"$error": false,
"$pending": false
},
age: {
"between": false
"$invalid": true,
"$dirty": false,
"$error": false,
"$pending": false
}
}
Checkout the docs for more examples: https://vuelidate.netlify.com/
Contributing
# install dependencies
npm install
# serve with hot reload at localhost:8080
npm run dev
# create UMD bundle.
npm run build
# Create docs inside /gh-pages ready to be published
npm run docs
# run unit tests
npm run unit
# run all tests
npm test
For detailed explanation on how things work, checkout the guide and docs for vue-loader.
Contributors
Current
Emeriti
Here we honor past contributors who have been a major part on this project.