api.ready = function()

in website/content/js/head.js [425:455]

• 21 lines of code
• 12 McCabe index (conditional complexity)

    api.ready = function(key, fn) {

        // DOM ready check: head.ready(document, function() { });
        if (key == doc) {
            if (isDomReady) { one(fn);  }
            else { domWaiters.push(fn); }
            return api;
        }

        // shift arguments
        if (isFunc(key)) {
            fn = key;
            key = "ALL";
        }    

        // make sure arguments are sane
        if (typeof key != 'string' || !isFunc(fn)) { return api; }

        var script = scripts[key];
        
        // script already loaded --> execute and return
        if (script && script.state == LOADED || key == 'ALL' && allLoaded() && isDomReady) {
            one(fn);
            return api;
        }

        var arr = handlers[key];
        if (!arr) { arr = handlers[key] = [fn]; }
        else { arr.push(fn); }
        return api;
    };