FieldBase

This component contains all the common behaviour and styles for fields

FieldBase provides an Atlassian Design Guidelines compatible implementation for:

• Labels: spacing, margins, accessibility.
• Fields: sizing, borders, colors, wrapping behaviour, hover/focus states.
• Validation: styles (built in validation coming soon!)

FieldBase's will work by themselves but are really meant to be extended into a full field component.

Try it out

Interact with a live demo of the ak-field-base component.

Installation

npm install ak-field-base

Using the component

The typical use-case for an ak-field-base is to create a new component. It makes no assumptions about libraries or tools and can be extended however you like (React, Skatejs, Vanilla JS, etc).

Usually you will want some form of input for the extended component. You can add that to fieldBase using the input-slot slot like so:

<ak-field-base label="A slotted input">
  <input slot="input-slot" type="text" value="I am slotted in a field-base!" />
</ak-field-base>

Note: React consumers will need to use the is prop to tell React to treat the input as a Custom Element, otherwise it will not recognise the slot attribute.

<ak-field-base label="A slotted input">
 <input is slot="input-slot" type="text" defaultValue="I am slotted in a field-base!" />
</ak-field-base>

You'll also want to style the input to make it blend in with the fieldBase.

Styling Content

You'll typically want to apply some styles to any input fields/text areas you use inside a field-base.

In general you'll want to fix the following:

• Remove default focus styles (these are handled by field-base)
• Remove borders and background-color.
• Set the width to 100%.

This would look something like this in CSS

input.styledInput {
  background: transparent;
  border: 0;
  outline: 0;
  width: 100%;
  box-sizing: border-box;
}

or in JavaScript

inputField.style.background = 'transparent';
inputField.style.border = '0';
inputField.style.outline = 'none';
inputField.style.width = '100%';
inputField.style.boxSizing = 'border-box';

FieldBase

Kind: global class

• Properties

  • fieldBase.label : string
  • fieldBase.hideLabel : boolean
  • fieldBase.invalid : boolean

new FieldBase()

Create instances of the component programmatically, or using markup.

HTML Example

<ak-field-base label="Email" />

JS Example

import FieldBase from 'ak-field-base';

const field = new FieldBase();
field.label = 'Email';
document.body.appendChild(field);

fieldBase.label : string

The label to be rendered above the form field.

This prop is still required, even if the hideLabel prop is set as the label is also used to make the field accessible for screen readers.

Kind: instance property of FieldBase

fieldBase.hideLabel : boolean

Whether the field should show a label above it.

If set to true no label will be shown and no space will be reserved for it.

Note: You must still provide a label for the component regardless of this prop. The label is also used to make the field accessible to screen readers.

Defaults to false.

Kind: instance property of FieldBase
HTML Example

<ak-field-base label="First Name" hideLabel></ak-field-base>

JS Example

field.label = 'First Name';
field.hideLabel = true;

fieldBase.invalid : boolean

Whether or not a field should show a validation error.

This is shown to the user through a red border currently but will also include error messages in a future release.

Kind: instance property of FieldBase
HTML Example

<ak-field-base invalid></ak-field-base>

JS Example

field.invalid = true;

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