Burgton-button NPM

burgton-button

<burgton-button> is a simple, customisable and accessible lit-element menu burger button that you can use in your projects.

Amongst other features, it allows you to choose from different animations, customise colors, animation speed and event toggle classes on multiple targets on the page.

DEMO

You can find examples of the different button possibilities on the documentation page

DOCUMENTATION

On the documentation page you can find an easy to follow "Getting Started" guide, as well as a API description so you can fully customize your <burgton-button> element.

GETTING STARTED

You can use the element on your project in 3 simple steps:

Install the <burgton-button> on your project via NPM (or download it here)
```
npm install burgton-button
```

Import the <burgton-button> module on your project

<script type="module" src="node_modules/burgton-button/index.js"></script>

Add the element to your page and customize it to your taste
```
<burgton-button type="astronaut"></burgton-button>
```

API

Attributes

You can use some attributes to customize your <burgton-button> button

Attribute	Description	Valid Values	Default	Example
`type`	Defines the button animation	'default', 'arrow-left', 'arrow-right', 'arrow-to-arrow', 'astronaut', 'async', 'crossed', 'ellipsis', 'fall-down', 'minus', 'rotator', 'spin', 'underlined', 'vertical-rotator', 'zoom'	'default'	`<burgton-button type="astronaut"></burgton-button>`
`label`	Defines the text that will be show with the button	String	-	`<burgton-button label="Menu"></burgton-button>`
`labelPosition`	Defines the position of the label text in relation to the button	'top', 'bottom', 'right', 'left'	-	`<burgton-button label="Menu" labelPosition="top"></burgton-button>`
`targetSelectors`	Defines on which elements you want to toggle a class when the button is clicked. You can select multiple elements by separating the selectors with a comma	CSS Selector	-	`<burgton-button targetSelectors="#circle-one, .circle-two" targetClasses="active, colorful"></burgton-button>`
`targetClasses`	Defines the class that will be toggled on the selected element. The number of classes must match the number of selectors	CSS selector	-	`<burgton-button targetSelectors="#circle-three" targetClasses="active"></burgton-button>`
`description`	Defines the default text for the 'aria-label' attribute. This value is overwritten with the `label` text (if present)	String	'Menu button'	`<burgton-button description="Menu on/off button"></burgton-button>`
`noAnimation`	Disables the button animation, making the transition between inactive and active states immediate	-	-	`<burgton-button noAnimation></burgton-button>`

Styles

<burgton-button> exposes several CSS custom properties that you can use to further customize it.

Property	Description	Valid Values	Default	Example
`--burgton-button-line-color`	Set the color of the button lines	CSS color value	#66cc99	`--burgton-button-line-color: tomato;`
`--burgton-button-line-color-active`	Set the color of the button lines when it is active. If not defined will inherit color from inactive state.	CSS color value	`--burgton-button-line-color`	`--burgton-button-line-color-active: purple;`
`--burgton-button-animation-duration`	Set the animation duration	CSS time value	500ms	`--burgton-button-animation-duration: .75s;`
`--burgton-button-easing`	Set the animation easing	CSS easing value	ease-in-out	`--burgton-button-easing: ease-out;`
`--burgton-button-scale`	Set the button scale (size)	Number (multiplier)	1	`--burgton-button-scale: 1.3;`
`--burgton-button-border-radius`	Set the button lines border-radius	CSS border-radius value	0px	`--burgton-button-border-radius: 2px;`
`--burgton-button-label-font-size`	Set the font-size for the button label	CSS font-size value	14px	`--burgton-button-label-font-size: 1rem;`
`--burgton-button-label-font-color`	Set the font color for the button label	CSS color value	#999999	`--burgton-button-label-font-color: white;`
`--burgton-button-label-font-color-active`	Set the font color for the label text when the button is active	CSS color value	#999999	`--burgton-button-label-font-color-active: purple;`
`--burgton-button-label-font-weight`	Set the font weight for the label text when the button is active	CSS font-weight value	inherit	`--burgton-button-label-font-weight: 600;`
`--burgton-button-label-text-transform`	Set the text-transform for the label text when the button is active	CSS text-transform value	uppercase	`--burgton-button-label-text-transform: capitalize;`

Methods

<burgton-button> exposes several methods which you can call from your application.

Method	Description	Example
`.toggleState()`	Toggle between the button's active and inactive state	`yourButton.toggleState();`
`.activate()`	Activate the button	`yourButton.activate();`
`.deactivate()`	Deactivate the button	`yourButton.deactivate();`

Events

` fires several custom events so you can react to them on your application.

Event	Description
`burgton-button-state-change`	Fires whenever the button's state changes
`burgton-button-click`	Fires whenever the button is clicked
`burgton-button-activate`	Fires whenever the button state becomes active
`burgton-button-deactivate`	Fires whenever the button state becomes inactive

A11y

Accessibility is very important, so we try to implement some good practices to reach as many users as possible and provide them a good experience. We do this mainly by adding several relevant aria attributes and also by giving you the possibility to change them via attributes.