Function drainQueue

packages/main/test/pages/diffable-html.js:5824–5846

()

    }

    function drainQueue() {
        if (draining) {
            return;
        }
        var timeout = runTimeout(cleanUpNextTick);
        draining = true;

        var len = queue.length;
        while(len) {
            currentQueue = queue;
            queue = [];
            while (++queueIndex < len) {
                if (currentQueue) {
                    currentQueue[queueIndex].run();
                }
            }
            queueIndex = -1;
            len = queue.length;
        }
        currentQueue = null;
        draining = false;
        runClearTimeout(timeout);
    }

    process.nextTick = function (fun) {
        var args = new Array(arguments.length - 1);