treasure-chest-private

treasure-chest-private.html

			class TreasureChest {

					#bronze;
					#silver;
					#gold;
				/**
				 * Create the constructor object
				 * @param {Object} options User settings
				 */
				constructor (options = {}) {
					
					// Merge options into defaults
					let {bronze, silver, gold, loot} = Object.assign({
						bronze: 0,
						silver: 0,
						gold: 0,
						loot: `You have {{gold}} gold, {{silver}} silver, and {{bronze}} bronze.`
					}, options);


					this.#bronze = bronze;
					this.#silver = silver;
					this.#gold = gold;
					this._loot = loot;

				};

				/**
				 * Randomly shuffle an array
				 * https://stackoverflow.com/a/2450976/1293256
				 * @param  {Array} array The array to shuffle
				 * @return {Array}       The shuffled array
				 */
				#shuffle (array) {

					let currentIndex = array.length;
					let temporaryValue, randomIndex;

					// While there remain elements to shuffle...
					while (0 !== currentIndex) {
						// Pick a remaining element...
						randomIndex = Math.floor(Math.random() * currentIndex);
						currentIndex -= 1;

						// And swap it with the current element.
						temporaryValue = array[currentIndex];
						array[currentIndex] = array[randomIndex];
						array[randomIndex] = temporaryValue;
					}

					return array;

				}

				/**
				 * Add bronze to the treasure chest
				 * @param {Number} n The amount to add
				 */
				addBronze (n) {
					this.#bronze += n;
					return this;
				}

				/**
				 * Add silver to the treasure chest
				 * @param {Number} n The amount to add
				 */
				addSilver (n) {
					this.#silver += n;
					return this;
				}

				/**
				 * Add gold to the treasure chest
				 * @param {Number} n The amount to add
				 */
				addGold (n) {
					this.#gold += n;
					return this;
				}

				getBronze() {
					return this.#bronze;
				}

				/**
				 * Get the total amount of loot as a string
				 * @return {String} The total amount of loot
				 */
				getLoot () {
					return this._loot.replace('{{gold}}', this.#gold).replace('{{silver}}', this.#silver).replace('{{bronze}}', this.#bronze);
				}

				/**
				 * Generate random treasure
				 * @return {Object} The amount and type of loot found
				 */
				static getRandomLoot () {

					// Amount and type
					let amount = [1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,20,21,22,23,24,25,26,27,28,29,30,31,32,33,34,35,36,37,38,39,40,41,42,43,44,45,46,47,48,49,50];
					let type = ['bronze', 'silver', 'gold'];

					// Randomize the amounts
					this.#shuffle(amount);
					this.#shuffle(type);

					// Return the random loot
					return {
						amount: amount[0],
						type: type[0]
					};

				}

			}

			let captain = new TreasureChest();
			let loot = captain.addGold(50).addSilver(40).addBronze(30).getLoot();
			let bronzeAmount = captain.getBronze();
			console.log(loot);
			console.log(bronzeAmount);