JSFiddle - React, Tailwind, and code Playground

by mschock

JavaScript

function Drone() {};
Drone.prototype.takeoff = function takeoff(callback) {
  setTimeout(function() {
    callback()
    console.log('Took off');
  }, 600);
};
Drone.prototype.turnOnCamera = function turnOnCamera(callback) {
  setTimeout(function() {
    callback()
    console.log('Camera turned on');
  }, 1000);
};
Drone.prototype.pointDownGimbal = function pointDownGimbal(callback) {
  setTimeout(function() {
    callback()
    console.log('Gimbal pointing down');
  }, 750);
};
Drone.prototype.flyToMission = function FlyToMission(callback) {
  setTimeout(function() {
    callback()
    console.log('Flown to mission');
  }, 2000);
};
Drone.prototype.takePhoto = function takePhoto(callback) {
  setTimeout(function() {
    callback()
    console.log('Photo taken');
  }, 500);
};
Drone.prototype.land = function land(callback) {
  setTimeout(function() {
    callback()
    console.log('Landed');
  }, 3000);
};
//DONT MODIFY ANYTHING ABOVE HERE
// START ADD YOUR CODE HERE
var drone = new Drone();

Drone.prototype.queue = [];

Drone.prototype.dequeueAndExecuteAction = function() {
  if (this.queue.length) {
    var action = this.queue.shift();
    action();
  }
}

function buildEnqueueActionMethod(action, init) {
  return function() {
    this.queue.push(
      Drone.prototype[action].bind(
        this, this.dequeueAndExecuteAction.bind(this)
      )
    );
    if (init) {
      this.dequeueAndExecuteAction();
    }
    return this;
  }
}

drone.takeoff = buildEnqueueActionMethod('takeoff', true);
drone.turnOnCamera = buildEnqueueActionMethod('turnOnCamera');
drone.pointDownGimbal = buildEnqueueActionMethod('pointDownGimbal');
drone.flyToMission = buildEnqueueActionMethod('flyToMission');
drone.takePhoto = buildEnqueueActionMethod('takePhoto');
drone.land = buildEnqueueActionMethod('land');

// END ADD YOUR CODE HERE
//DONT MODIFY ANYTHING BELOW HERE
console.log("Expected Output:")
console.log("Took Off");
console.log("Camera turned On");
console.log("Gimbal pointing...