a jQuery plugin to collapse and search nested lists (2 levels)

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Markup example:

<ul id="my-list">
    <li class="header">A</li>
    <ul>
        <li>Australia</li>
        <li>Austria</li>
    </ul>
    <li class="header">B</li>
    <ul>
        <li>Bahamas, The</li>
        <li>Bahrain</li>
    </ul>
</ul>

Javascript code:

The first argument is a selector to get the headers of each sub-list. The second are the options.

$('#my-list').collapsibleList('.header');

$('#my-list').collapsibleList('.header', {search: false});

The search is case insensitive and does not have to start from the beginning of the word (e.g. 'merica' will match 'America').

If the filtered nested sub-lists result in having no items after a search, the header is hidden.

ESC will clear the search field and remove the focus (blur). If some sub-lists were collapsed, the state is stored before the search and restored when the search field is empty or if you press ESC.

• search: one of true, false or a jQuery instance

  When true, creates and add a search field at the top of the list. When false, no search field is added. When it's a jQueryinstance, this field will be used for the search and key handlers will be set on it.

• animate: true or false

  Enable or disable animation.