7/5/22 - JS Week 6

boggle.js

class Die {
    constructor(letters) {
        this.topLetter = letters[0];
        this.allLetters = letters;
    }

    roll() {
        const randomIndex = Math.floor(Math.random() * this.allLetters.length)
        this.topLetter = this.allLetters[randomIndex];
    }
}

class Board {
    constructor() {
        this.dice = [];
        for(let i = 0; i < 9; i++) {
            this.dice.push( new Die(["A", "R", "C", "D", "E", "N"]) ) // all dies will have the same sides
        }
    }

    shuffle() {
        this.dice.sort(() => (Math.random() > 0.5) ? 1 : -1)
        for(const die of this.dice) {
            die.roll();
        }
    }
}

class Game {
    constructor() {
        this.board = null; // TODO
        this.score = 0;
    }

    start() {
        this.board.shuffle()
        // starts off the game
        prompt("What's a word you found?")
    }
}

const game = new Game();
game.start();

scratch.js

// function doItManyTimes() {

//     for(let i = 0; i < 3; i++) {
//         doSomething()
//     }
// }

// function doSomething() {

//     for(let i = 0; i < 3; i++) {
//         const message = "something "
//         console.log(message + i)
//     }
// }


// doItManyTimes();

class Player {
    constructor(name, position) {
        this.name = name;
        this.position = position;
    }

    describe = () => {
        return `${this.name} plays ${this.position}.`;
    }
}

scratch.test.js

const expect = chai.expect;

describe("Player class", function() {
    it("should save the name in the name property on a player", function() {
        // Arrange and Act
        const newPlayer = new Player("Mia", "defense");
        // Assert
        expect(newPlayer.name).to.equal("Mia")
    })

    it("should return the correct string from the describe method", function() {
        // Arrange
        const player = new Player("Amy", "forward");
        // Act
        const description = player.describe()
        // Assert
        expect(description).to.equal("Amy plays forward.")
    })
})

// More professional organization:

// describe("Player class", function() {
//     describe("#constructor", function() {
//         it("should save the name in the name property on a player", function() {
//             // Arrange and Act
//             const newPlayer = new Player("Mia", "defense");
//             // Assert
//             expect(newPlayer.name).to.equal("Mia")
//         })
//         it("should save the position in the position property on a player", function() {
//             // Arrange and Act
//             const newPlayer = new Player("Mia", "defense");
//             // Assert
//             expect(newPlayer.position).to.equal("defense")
//         })
//     })

//     describe("#describe", function() {
//         it("should return the correct string from the describe method", function() {
//             // Arrange
//             const player = new Player("Amy", "forward");
//             // Act
//             const description = player.describe()
//             // Assert
//             expect(description).to.equal("Amy plays forward.")
//         })
//         it("should handle the position being empty", function() {
//             // Arrange
//             const player = new Player("Amy", null);
//             // Act
//             const description = player.describe()
//             // Assert
//             expect(description).to.equal("Amy doesn't play anything.")
//         })
//     })
// })