lockable.js

lockable.js

var lockable = function (func) {
  var isLocking = false;
  var unlock = function () {
    isLocking = false;
  };
  return function () {
    var args = arguments;
    if (isLocking) {
      return;
    }
    isLocking = true;
    func.apply(this, [unlock].concat(Array.prototype.slice.call(args, 0)));
  };
};

var a = lockable(function (unlock, b) {
  setTimeout(unlock, 1000);
  console.log(b);
});

a('123');
a('asdf');