Small jQuery plugins

jquery.balanceheights.js

/*
 * Equalise the height of boxes (uses min-height).
 */
jQuery.fn.balanceHeights = function() {
    // Get max height from list then apply to all.
    var heights = [];
    this.each( function () {
        heights.push(jQuery(this).outerHeight());
    });
    return this.css('min-height', Math.max.apply({}, heights));
};

jquery.boxlink.js

/*
 * jQuery boxlink plugin
 *
 * Makes container boxes clickable if they contain at least one link.
 * A class of 'boxlink-hover' is added to the container on mouseenter.
 */
(function ($) {

$.fn.boxlink = function (options) {

    var options = options || {};

    return this.each(function() {

        var $box = $(this);
        var $boxLinks = $box.find('a[href]');

        // Bail if no links
        if (! $boxLinks.length) {
            return;
        }

        // Unbind previously attached boxlink events and bind handlers.
        $box
            .off('.boxlink')
            .on('mouseenter.boxlink', function() {
                $box.addClass('boxlink-hover');
            })
            .on('mouseleave.boxlink', function() {
                $box.removeClass('boxlink-hover');
            })
            .on('click.boxlink', function(e) {

            var $target = $(e.target);
            var $allLinks = $box.find('a[href]');

            // Bail if directly clicking a link (or child of a link), or,
            // if $box has no links.
            if ($target.closest('a[href]').length || ! $allLinks.length) {
                return true;
            }

            // Resolve the link source.
            var $linkSource = {};
            // Filtered to a selector.
            if (options.filter) {
                $linkSource = $allLinks.filter(options.filter);
            }
            // Filtered to [data-boxlink-target] attribute.
            if (! $linkSource.length) {
                $linkSource = $allLinks.filter('[data-boxlink-target], .boxlink-target');
            }
            // Any link.
            if (! $linkSource.length) {
                $linkSource = $allLinks;
            }

            e.stopPropagation();
            window.location.href = $linkSource[0].href;
        });
    });
};

})(jQuery);