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List input

The list input allows you to structure data from child inputs as an array. The list itself outputs no markup (by default) and can be used in conjunction with any other type of input — including nested groups and lists.

The value of a list input is an array where each item is the value of the input at that index. Sub-inputs do not need to be of the same type. In addition to structuring data, lists can determine the validation state, provide initial values, and supply plugins and configuration to all of its children.

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Performance
Vue’s handy v-model is fully supported in FormKit with bi-directional data flow even on lists and groups. However, if your form needs extremely high performance consider using the core node to read/write instead of v-model.

Validity of children

Lists are always aware of the validation state of their children (including nested children). You can access this data in the context object of the input (context.state.valid).

Render
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Props & Attributes

Prop Type Default Description
disabledBooleanfalseDisables all the inputs in the list.
Show Universal Props
configObject{}Configuration options to provide to the input’s node and any descendent node of this input.
delayNumber20Number of milliseconds to debounce an input’s value before the commit hook is dispatched.
errorsArray[]Array of strings to show as error messages on this field.
helpString''Text for help text associated with the input.
idStringinput_{n}The unique id of the input. Providing an id also allows the input’s node to be globally accessed.
ignoreBooleanfalsePrevents an input from being included in any parent (group, list, form etc). Useful when using inputs for UI instead of actual values.
labelString''Text for the label element associated with the input.
nameStringinput_{n}The name of the input as identified in the data object. This should be unique within a group of fields.
preservebooleanfalsePreserves the value of the input on a parent group, list, or form when the input unmounts.
sections-schemaObject{}An object of section keys and schema partial values, where each schema partial is applied to the respective section.
typeStringtextThe type of input to render from the library.
validationString, Array[]The validation rules to be applied to the input.
validation-visibilityStringblurDetermines when to show an input's failing validation rules. Valid values are blur, dirty, and live.
validation-labelString{label prop}Determines what label to use in validation error messages, by default it uses the label prop if available, otherwise it uses the name prop.
validation-rulesObject{}Additional custom validation rules to make available to the validation prop.

Section keys

Section-key Description
outerThe outermost wrapping element.
wrapperA wrapper around the label and input.
labelThe label of the input.
prefixHas output by default, but allows content directly before an input element.
innerA wrapper around the actual input element.
suffixHas output by default, but allows content directly after an input element.
inputThe input element itself.
helpThe element containing help text.
messagesA wrapper around all the messages.
messageThe element (or many elements) containing a message — most often validation and error messages.