$()

in public/js/learn.js [178:214]

• 18 lines of code
• 4 McCabe index (conditional complexity)

    $('code').each(function() {
        var code = $(this),
            text = code.text();

        if (text.length > 5) {
            if (!clipInit) {
                var text, clip = new ClipboardJS('.copy-to-clipboard', {
                    text: function(trigger) {
                        text = $(trigger).prev('code').text();
                        return text.replace(/^\$\s/gm, '');
                    }
                });

                var inPre;
                clip.on('success', function(e) {
                    e.clearSelection();
                    inPre = $(e.trigger).parent().prop('tagName') == 'PRE';
                    $(e.trigger).attr('aria-label', 'Copied to clipboard!').addClass('tooltipped tooltipped-' + (inPre ? 'w' : 's'));
                });

                clip.on('error', function(e) {
                    inPre = $(e.trigger).parent().prop('tagName') == 'PRE';
                    $(e.trigger).attr('aria-label', fallbackMessage(e.action)).addClass('tooltipped tooltipped-' + (inPre ? 'w' : 's'));
                    $(document).one('copy', function(){
                        $(e.trigger).attr('aria-label', 'Copied to clipboard!').addClass('tooltipped tooltipped-' + (inPre ? 'w' : 's'));
                    });
                });

                clipInit = true;
            }

            code.after('<span class="copy-to-clipboard" title="Copy to clipboard" />');
            code.next('.copy-to-clipboard').on('mouseleave', function() {
                $(this).attr('aria-label', null).removeClass('tooltipped tooltipped-s tooltipped-w');
            });
        }
    });