metismenujs

Collapsible menu plugin with Vanilla-JS

Table of Contents

• Browser Support
• Installing
  • Package manager
  • CDN
• Usage
  • Stopping list opening on certain elements
• Options
• API
  • dispose
  • update
• Events
• CSS custom properties (variables)
• Migrating to v1.0.3 from v1.4.0
• Examples
• Demo
• About
  • Related projects
  • Contributing
  • Author
  • License

Browser Support

This plugin does not support any version of IE browser.

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Install

Package Managers

Using npm:

npm install metismenujs

Using yarn:

yarn add metismenujs

Using pnpm:

pnpm add metismenujs

Once the package is installed, you can import the library using import or require approach:

// recommended approach
import { MetisMenu } from 'metismenujs';

// You can also use the default export
import MetisMenu from 'metismenujs';

If you use require for importing, only default export is available:

const MetisMenu = require('metismenujs');

Note CommonJS usage In order to gain the TypeScript typings (for intellisense / autocomplete) while using CommonJS imports with require(), add the following to your tsconfig.json:

{
  "compilerOptions": {
    "moduleResolution": "NodeNext"
  }
}

CDN

ES6 UMD browser module

Using jsDelivr CDN:

<script src="https://cdn.jsdelivr.net/npm/metismenujs"></script>

Using unpkg CDN:

<script src="https://unpkg.com/metismenujs"></script>

ES6 ES module

Using jsDelivr CDN:

<script type="module">
  import { MetisMenu } from 'https://cdn.jsdelivr.net/npm/metismenujs/dist/metismenujs.esm.min.js';
</script>

Using unpkg CDN:

<script type="module">
  import { MetisMenu } from 'https://unpkg.com/metismenujs/dist/metismenujs.esm.min.js';
</script>

Install with composer

composer require onokumus/metismenujs:dev-master

Download

download

Ready to use files are located in the dist directory.

Usage

1. Include metismenujs StyleSheet

   Using CDN

   jsDelivr :

   <link rel="stylesheet" href="https://cdn.jsdelivr.net/npm/metismenujs/dist/metismenujs.min.css">

   unpkg :

   <link rel="stylesheet" href="https://unpkg.com/metismenujs/dist/metismenujs.min.css">

   Using Vite, Astro etc.

   import 'metismenujs/style';

   or sass source file

   import 'metismenujs/sass';

2. Add class metismenu to unordered list

<ul class="metismenu" id="menu">

</ul>

3. Make expand/collapse controls accessible

Be sure to add aria-expanded to the element a. This attribute explicitly defines the current state of the collapsible element to screen readers and similar assistive technologies. If the collapsible element is closed by default, it should have a value of aria-expanded="false". If you've set the collapsible element's parent li element to be open by default using the active class, set aria-expanded="true" on the control instead. The plugin will automatically toggle this attribute based on whether or not the collapsible element has been opened or closed.

<ul class="metismenu" id="menu">
  <li class="mm-active">
    <a href="#" aria-expanded="true">Menu 1</a>
    <ul>
    ...
    </ul>
  </li>
  <li>
    <a href="#" aria-expanded="false">Menu 2</a>
    <ul>
    ...
    </ul>
  </li>
  ...
  </ul>

4. Arrow Options

add has-arrow class to a element

<ul class="metismenu" id="menu">
<li class="mm-active">
  <a class="has-arrow" href="#" aria-expanded="true">Menu 1</a>
  <ul>
  ...
  </ul>
</li>
<li>
  <a class="has-arrow" href="#" aria-expanded="false">Menu 2</a>
  <ul>
  ...
  </ul>
</li>
...
</ul>

5. Call the plugin:

  new MetisMenu("#menu");
  // or
  MetisMenu.attach('#menu');

Stopping list opening on certain elements

Setting aria-disabled="true" in the <a> element as shown will stop metisMenu opening the menu for that particular list. This can be changed dynamically and will be obeyed correctly:

<a href="#" aria-expanded="false" aria-disabled="true">List 1</a>

Options

Option	Type	Default	Description	Example
toggle	Boolean	true	For auto collapse support.	new MetisMenu("#menu", { toggle: false });
triggerElement	css selector	a		new MetisMenu("#menu", { triggerElement: '.nav-link' });
parentTrigger	css selector	li		new MetisMenu("#menu", { parentTrigger: '.nav-item' });
subMenu	css selector	ul		new MetisMenu("#menu", { subMenu: '.nav.flex-column' });

API

dispose

For stop and destroy metisMenu.

 const mm = new MetisMenu("#menu");
 mm.dispose();

update

Re-init metisMenu.

const mm = new MetisMenu("#menu");
mm.dispose();
// ajax ...
mm.update();

Events

Event Type	Description
show.metisMenu	This event fires immediately when the show instance method is called.
shown.metisMenu	This event is fired when a collapse ul element has been made visible to the user (will wait for CSS transitions to complete).
hide.metisMenu	This event is fired immediately when the hide method has been called.
hidden.metisMenu	This event is fired when a collapse ul element has been hidden from the user (will wait for CSS transitions to complete).

CSS custom properties (variables)

Property	Default	Description
--mm-transition-timing-function	ease	This property sets how intermediate values are calculated for CSS properties being affected by a transition effect.
--mm-trantisition-duration	0.35s	This property sets the length of time a transition animation should take to complete.

Migrating to v1.0.3 from v1.4.0

• Update metisMenu.js & metisMenu.css files
• Change active class to mm-active

Examples

https://github.com/metismenu/examples

Demo

https://onokumus.github.io/metismenujs

Contains a simple HTML file to demonstrate metisMenu plugin.

About

Related projects

• metismenu: A jQuery menu plugin | homepage
• @metismenu/react: react.js component for metismenu | homepage

Contributing

Pull requests and stars are always welcome. For bugs and feature requests, please create an issue.

Author

Osman Nuri Okumus

• GitHub Profile
• Twitter Profile
• LinkedIn Profile

License

Copyright © 2023, Osman Nuri Okumuş. Released under the MIT License.