Pipe and Compose in ServiceNow

simplePipeTest.js

function f1(a) {
  gs.info("Hello " + a);
  return gs.now();
}
function f2(a) {
  gs.info("The date is: " + a);
  return 70;
}
function f3(a) {
  gs.info("The temperature is " + a + " degrees");
  return "Sunny";
}
function f4(a) {
  gs.info("The weather is " + a);
}

function pipe() {
  var fns = Array.prototype.slice.call(arguments);

  return function (result) {
    var value = result;
    for (var i = 0; i < fns.length; i++) {
      value = fns[i](value);
    }
    return value;
  };
}

function pipe2() {
  var fns = Array.prototype.slice.call(arguments);

  return function (result) {
    return fns.reduce(function (value, fn) {
      return fn(value);
    }, result);
  };
}

pipe(f1, f2, f3, f4)("bob");

pipe2(f1, f2, f3, f4)("joe");