markDirty()/cleanUp() function decorator

gistfile1.txt

(function() {
  window.batch_function = function(target) {
    var state = "clean";
    var lastArgs = [window, []];
    var run = function() {
      if (state === "clean") {
        state = "running";
        target.apply(this, arguments);
      }
      else {
        state = "dirty";
        lastArgs = [this, arguments];
      }
    };
    run.force = function() {
      target.apply(this, arguments);
      state = "running";
    };
    run.done = function() {
      var lastState = state;
      state = "clean";
      if (lastState === "dirty") {
        run.apply(lastArgs[0], lastArgs[1]);
      }
    };
    run.state = function() {
      return state;
    };
    return run;
  };
})();