Ghost/core/client/app/utils/set-scroll-classname.js
2015-03-11 12:37:41 -06:00

20 lines
713 B
JavaScript

// ## scrollShadow
// This adds a 'scroll' class to the targeted element when the element is scrolled
// `this` is expected to be a jQuery-wrapped element
// **target:** The element in which the class is applied. Defaults to scrolled element.
// **class-name:** The class which is applied.
// **offset:** How far the user has to scroll before the class is applied.
var setScrollClassName = function (options) {
var $target = options.target || this,
offset = options.offset,
className = options.className || 'scrolling';
if (this.scrollTop() > offset) {
$target.addClass(className);
} else {
$target.removeClass(className);
}
};
export default setScrollClassName;