* improve rendering of hidden form fields
* add `attemptSubmit` helper
This will allow us to _try_ and submit a form based on any element you
pass it. It will try and lookup the current form and if it is
submittable it will attempt to submit it.
Instead of submitting the form directly, we try to follow the native
browser support where it looks for the first `input[type=submit]`,
`input[type=image]`, `button` or `button[type=submit]`, then it clicks
it.
This allows you to disable your submit button, or have an `onClick` that
does an `event.preventDefault()` just like the native form in a browser
would do.
* ensure we can submit a form from a closed Combobox
When the Combobox is closed, then the `Enter` keydown event will be
ignored and thus not use `event.preventDefault()`.
With recent changes where we always have an active option, it means that
you will always be able to select an option.
If we have no option at all (some edge case) or when the combobox is
closed, then the `Enter` keydown event will just bubble, allowing you to
submit a form.
Fixes: #1282
This is a continuation of a PR ([#1176](https://github.com/tailwindlabs/headlessui/pull/1176)) provided by Alexander, so wanted to include
them as a co-author because of their initial work.
Co-authored-by: Alexander Lyon <arlyon@me.com>
* ensure we can submit a form from a RadioGroup
* ensure we can submit a form from a Switch
* simplify / refactor form playground example
* update changelog
Co-authored-by: Alexander Lyon <arlyon@me.com>
* implement `objetToFormEntries` functionality
If we are working with more complex data structures then we have to
encode those data structures into a syntax that the HTML can understand.
This means that we have to use `<input type="hidden" name="..." value="...">` syntax.
To convert a simple array we can use the following syntax:
```js
// Assuming we have a `name` of `person`
let input = ['Alice', 'Bob', 'Charlie']
```
Results in:
```html
<input type="hidden" name="person[]" value="Alice" />
<input type="hidden" name="person[]" value="Bob" />
<input type="hidden" name="person[]" value="Charlie" />
```
Note: the additional `[]` in the name attribute.
---
A more complex object (even deeply nested) can be encoded like this:
```js
// Assuming we have a `name` of `person`
let input = {
id: 1,
name: {
first: 'Jane',
last: 'Doe'
}
}
```
Results in:
```html
<input type="hidden" name="person[id]" value="1" />
<input type="hidden" name="person[name][first]" value="Jane" />
<input type="hidden" name="person[name][last]" value="Doe" />
```
* implement VisuallyHidden component
* implement and export some extra helper utilities
* implement form element for Switch
* implement form element for Combobox
* implement form element for RadioGroup
* implement form element for Listbox
* add combined forms example to the playground
* update changelog
* enable support for iterators
* ensure to compile dom iterables
* remove unused imports
Robin Malfait