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lesson 2.1 #43

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7fa9c4c
lesson 2.1
Jan 13, 2024
4a8d7bf
Resubmit lesson 2.1
Jan 16, 2024
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34 changes: 28 additions & 6 deletions package-lock.json
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2 changes: 1 addition & 1 deletion public/index.html
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Original file line number Diff line number Diff line change
Expand Up @@ -24,7 +24,7 @@
work correctly both with client-side routing and a non-root public URL.
Learn how to configure a non-root public URL by running `npm run build`.
-->
<title>React App</title>
<title>React Legacy App</title>
</head>
<body>
<noscript>You need to enable JavaScript to run this app.</noscript>
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57 changes: 18 additions & 39 deletions src/GuessControl.js
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Original file line number Diff line number Diff line change
@@ -1,47 +1,26 @@
import React, { Component } from "react";
import Button from "./Button";
import React, { useState } from "react";

class GuessControl extends Component {
constructor(props) {
super(props);
function GuessControl({ onGuess }) {
const [currentGuess, setCurrentGuess] = useState("");

this.state = {
currentGuess: "",
};
const handleInputChange = (event) => {
setCurrentGuess(event.target.value);
};

/**
* These lines are required to make the methods/functions declared on this
* class have the correct `this` object when they run.
*/
this.handleInputChange = this.handleInputChange.bind(this);
this.onSubmitGuess = this.onSubmitGuess.bind(this);
}
const onSubmitGuess = () => {
if (currentGuess !== "") {
onGuess(currentGuess);
setCurrentGuess("");
}
};

handleInputChange(event) {
this.setState({ currentGuess: event.target.value });
}

onSubmitGuess() {
// Since the values from an HTML input are strings by default,
// convert to a number for the returned guess value
// by passing in the string to the Number function.
// See https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Number
this.props.onGuess(Number(this.state.currentGuess));
this.setState({ currentGuess: "" });
}

render() {
return (
<div>
<input
type="number"
value={this.state.currentGuess}
onChange={this.handleInputChange}
/>
<Button onClick={this.onSubmitGuess}>Submit Guess</Button>
</div>
);
}
return (
<>
<input type="number" value={currentGuess} onChange={handleInputChange} />
<Button onClick={onSubmitGuess}>Submit Guess</Button>
</>
);
}

export default GuessControl;
111 changes: 39 additions & 72 deletions src/NumberGuessingGame.js
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@@ -1,77 +1,44 @@
import React, { Component } from "react";
import React, { useState } from "react";
import GuessControl from "./GuessControl";
import GuessMessage from "./GuessMessage";
import GameOver from "./GameOver";

/**
*
* Returns a random integer number from 1-100 inclusive
*/
function getRandomNumber() {
return Math.floor(Math.random() * 100) + 1;
}

const MAX_ATTEMPTS = 5;

class NumberGuessingGame extends Component {
constructor(props) {
super(props);

this.state = {
numberToGuess: getRandomNumber(),
numberOfGuesses: 0,
latestGuess: null,
};

/**
* These lines are required to make the methods/functions declared on this
* class have the correct `this` object when they run.
*/
this.handleGuess = this.handleGuess.bind(this);
this.handleReset = this.handleReset.bind(this);
}

handleGuess(guess) {
this.setState({
latestGuess: guess,
numberOfGuesses: this.state.numberOfGuesses + 1,
});
}

handleReset() {
this.setState({
numberToGuess: getRandomNumber(),
numberOfGuesses: 0,
latestGuess: null,
});
}

render() {
const isCorrectGuess = this.state.latestGuess === this.state.numberToGuess;

const isGameOver =
isCorrectGuess || this.state.numberOfGuesses === MAX_ATTEMPTS;

return (
<div>
<h2>I'm thinking of a number from 1 to 100.</h2>
<h2>
Can you guess the number I am thinking of in {MAX_ATTEMPTS} tries?
</h2>
<GuessControl onGuess={this.handleGuess} />
{isGameOver && (
<GameOver hasWon={isCorrectGuess} onReset={this.handleReset} />
)}
{!isGameOver && (
<GuessMessage
guess={this.state.latestGuess}
numberToGuess={this.state.numberToGuess}
numberOfGuesses={this.state.numberOfGuesses}
/>
)}
</div>
);
}
}
const NumberGuessingGame = () => {
const getRandomNumber = () => Math.floor(Math.random() * 100) + 1;
const MAX_ATTEMPTS = 5;

const [numberToGuess, setNumberToGuess] = useState(getRandomNumber);
const [numberOfGuesses, setNumberOfGuesses] = useState(0);
const [latestGuess, setLatestGuess] = useState(null);

const handleGuess = (guess) => {
setLatestGuess(Number(guess));
setNumberOfGuesses(numberOfGuesses + 1);
};

const handleReset = () => {
setNumberToGuess(getRandomNumber);
setNumberOfGuesses(0);
setLatestGuess(null);
};
// place in this comment to enable a resubmit
return (
<div>
<h1>Number Guessing Game</h1>
<p>Guess the number between 1 and 100</p>

<GuessControl onGuess={handleGuess} />

{latestGuess !== null && (
<p>
Latest Guess: {latestGuess}, Number of Guesses: {numberOfGuesses}
</p>
)}

{numberOfGuesses === MAX_ATTEMPTS || latestGuess === numberToGuess ? (
<GameOver onReset={handleReset} />
) : null}
</div>
);
};

export default NumberGuessingGame;