JavaScript, debounce AMD module

debounce.js

'use strict';
define(function() {
    /**
     * Returns a function, that, as long as it continues to be invoked, will not
     * be triggered. The function will be called after it stops being called for
     * N milliseconds. If `immediate` is passed, trigger the function on the
     * leading edge, instead of the trailing.
     */
    var debounce = function(func, wait, immediate) {
        var timeout;
        return function() {
            var context = this, args = arguments;
            clearTimeout(timeout);
            timeout = setTimeout(function() {
                timeout = null;
                if (!immediate) {
                    func.apply(context, args);
                }
            }, wait);
            if (immediate && !timeout) {
                func.apply(context, args);
            }
        };
    };
    return debounce;
});