Veevalidate

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Most form libraries will save you a lot of time, but vee-validate tackles the major pain points of forms and then gets out of your way, some of those are:. This could be viewed as a double-edged sword, however, overriding UI and styles was the downfall of many component libraries and design languages. Because of that, vee-validate abstracts away the hard parts into pure logic compositions that you can add to your existing UI and component. There is nothing to override, there is no hidden cost. You can also use vee-validate to power your components internally, and as a result you can build up your form library without having to think about the hard parts.

Veevalidate

The vee-validate plugin lets you validate your generated fields using vee-validate opens new window. To install the plugin, simply add it to your package. To use the plugin, import and pass it to the SchemaFormFactory. This creates a SchemaForm component with validation capabilities. You can opt-in to any of these properties or to the entire validation object. Here is an example FormText component that accepts the validation object as a prop:. If we want the validations not to be immediate, or lazy, we can show the error message when the field is touched. A field is considered touched after the field loses focus. In this case, we set it using the validation object's setTouched method as shown in the following example. Note that when the form is submitted, all fields will be automatically "touched". Read here opens new window for information about form submission behavior in vee-validate.

Higher-order components can also be used to build forms.

Form validation is a difficult subject in frontend, not only you have to deal with ensuring correct values are submitted, you also should provide a pleasant UX for your users. Doing form validation by hand is a lot of work and you won't probably cover all your needs if you decide to build your own. The time you spend working on a custom form validation solution is better spent building your application logic. Most validation libraries will save you a lot of time, but vee-validate tackles the major pain points of form validation and addresses them in a very flexible way:. You can define validation rules for your fields using the useField composition API function, your rules can be as simple as a function that accepts the current value and returns an error message.

The main v4 version supports Vue 3. The fastest way to create a form and manage its validation, behavior, and values is with the composition API. You can do so much more than this, for more info check the composition API documentation. Higher-order components can also be used to build forms. Register the Field and Form components and create a simple required validator:. The Field component renders an input of type text by default but you can control that. Read the documentation and demos.

Veevalidate

Being template-based you only need to specify for each input what kind of validators should be used when the value changes. Many rules are available out of the box. The latest release of vee-validate is v4, which is only available for Vue 3. If you are looking to install v3, then make sure to include the version tag. Install the rules you will use in your app, we will install the required rule for now:. The validation provider accepts two props: rules which is in its simplest form, a string containing the validation rules separated by a character, and a name prop which is the field name that will be used in error messages.

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View all Projects. Form Frameworks UI Components. Report malware. I found V3 easier to work with than V4. The VeeValidatePlugin automatically handles SchemaForm submits, and triggers validation before the form is submitted. The "field-level" approach allows to you add a validations property to your fields schema, the validation property can be any type of validators that is accepted by vee-validate opens new window. Skip to content. This creates a SchemaForm component with validation capabilities. NET Core. To install the plugin, simply add it to your package.

VeeValidate is a library for building, validating and handling forms in Vue.

Latest commit History 4, Commits. Read here opens new window for information about form submission behavior in vee-validate. You would need to set validateOnBlur to true. The firstName field is required. This could be viewed as a double-edged sword, however, overriding UI and styles was the downfall of many component libraries and design languages. Homepage vee-validate. The First name field is required. Now that your component is configured to receive validation state, let's take a look on how to actually validate them. You signed in with another tab or window. Indicator Exclusive. Jump to bottom. Vue Multiselect. Element Plus. The time you spend working on a custom form validation solution is better spent building your application logic.