lion/packages/form

Form

lion-form is a webcomponent that enhances the functionality of the native form component. It is designed to interact with (instances of) the form controls.

Features

• data synchronization with models
• easy retrieval of form data based on field names
• advanced validation possibilities
• advanced user interaction scenarios via interaction states
• registration mechanism for form controls.
• accessible out of the box

How to use

Installation

npm i --save @lion/form

import '@lion/form/lion-form.js';

Example

<lion-form>
  <form>
    <lion-fieldset name="fullName">
      <lion-input label="First Name" name="firstName" .modelValue="${model.firstName}"></lion-input>
      <lion-input label="Last Name" name="lastName" .modelValue="${model.lastName}"></lion-input>
    </lion-fieldset>
    <lion-textarea
      label="Description"
      name="description"
      .modelValue="${model.description}"
    ></lion-textarea>
  </form>
</lion-form>

Note that the example above is rendered using lit-html

For more information about fields that are designed for lion-form, please read Forms.