Storm Toggle

Accessible DOM state toggling for off-canvas and show/hide UI patterns.

Usage

HTML

<button class="js-toggle-btn">Menu</button>
<nav class="js-toggle" data-toggle="js-toggle-btn">...</nav>

JS

npm i -S storm-toggle

either using es6 import

import Toggle from 'storm-toggle';

Toggle.init('.js-toggle');

aynchronous browser loading (use the .standalone version in the /dist folder)

import Load from 'storm-load';

Load('/content/js/async/storm-toggle.standalone.js')
    .then(() => {
        StormToggle.init('.js-toggle');
    });

Local toggle

To encapsulate a toggle state within part of the document

HTML

<div class="parent">
    <button class="js-toggle__btn"></a>
    <div class="js-toggle__local" data-toggle="js-toggle__btn"></div>
</div>

CSS

.child {
    max-height:0;
    overflow:hidden;
    transition: max-width 160ms ease;
}
.parent.active .child {
    max-height:1000px;
}

Options

{
	delay: 0, //duration of animating out of toggled state
	startOpen: false,  //initial toggle state
	local: false, // encapsulate in small part of document
	prehook: false, //function to fire before each toggle
	callback: false, //function to fire after each toggle
	focus: false, //focus on first focusable child node of the target element
	trapTab: false //trap tab in the target element
	closeOnBlur: false //close the target node on losing focus from the target node and any of the toggles
}

e.g.

Toggle.init('.js-toggle', {
    startOpen: true
});

Tests

npm run test

Browser support

This is module has both es6 and es5 distributions. The es6 version should be used in a workflow that transpiles.

The es5 version depends upon Object.assign so all evergreen browsers are supported out of the box, ie9+ is supported with polyfills. ie8+ will work with even more polyfils for Array functions and eventListeners.

Dependencies

None

License

MIT