JQuery :: Alternative To Each Function In Middle Of Chain With One Element

An example:
tabContent.css('width', '0')
.css('opacity', '0')
.filter(':eq(0)')
.css('opacity', '1')
.parent()
.find('.one-tab')
.addClass('active')
.css('cursor', 'default');

Now I want to apply the parent of tabContent a width, only if a condition is true. I do this, and works, but I don't consider this is a proper way:
tabContent.css('width', '0')
.css('opacity', '0')
.filter(':eq(0)')
.css('opacity', '1')
.parent()
.each(function() {
if (/*condition is true*/) {
$(this).width(aWidth + 'px');
}
$(this).find('.one-tab')
.addClass('active')
.css('cursor', 'default');
});
Is there a better way instead of using each() which is actually made for loops? In this case there is only one element.