A form that collects a value of type data and potentially produces errors of type customError.

Defines a new form that fields can be added to. Takes four arguments: 1, A unique id for the form to be used as id in the DOM

1. A validator function that takes the form data and returns a list of errors

2. A function that receives the fields and returns the view and combine functions

3. A function that receives the markup of a field and combines it with a list of errors

   myForm : Form Int ()
   myForm =
       Form.form "minimal-example"
           (\data -> [])
           (\errors_ html -> html)
           (\amount ->
               { view = \formState _ -> amount.view formState
               , combine = \formState -> amount.value formState
               }
           )
           |> field (integerInput [])

Adds a new field with the given widget to the form

Returns true if the data entered in the form is valid

Adds a validator to a widget.

A function that recieves the markup of a field and combines with a list of errors.

The message type for the form.

Initializes a form state with the default values

Updates the form state based on the form message.

Takes the following three arguments to display a form:

1. a function to turn the forms messages into a Msg of the application.

2. the form

3. the current state of the form

   type Msg = ... | ForForm Form.Msg | ... type alias Model = { ... , formState : FormState, .. } myForm = Form.form ...

   view model = div [] <| Form.render ForForm myForm model.formState

Returns the result of the combine function aka the current state of the form.

Adds a field to the form where the user can add and remove elements.

The first argument is a ListWithAddButton function that cobines the inout list with a button to add a new element.

The second argument is a FieldWithRemoveButton function that combines one item with a button to remove it.

The third argument is the widget to use for each element in the list.

A function that recieves the markup of a list item and combines it with a butoon to remive it from the List.

A function that recieves the markup of a field and combines it with a button to add a new item.

Adds a new field to with different variants to the form. Each variant is represented by a label and a sub form.

The function takes the following arguments:

1. A widget to select the variant

2. The default variant

3. A list of other variants

A variant for widgets with a "select" notion.

A nonempty list of variants.

Converts a form to a widget.

Creates a new Widget that's decorated with the given function.