react-guessing-game - assigment

.eslintrc.cjs

@@ -2,20 +2,22 @@ module.exports = {
   root: true,
   env: { browser: true, es2020: true },
   extends: [
-    'eslint:recommended',
-    'plugin:react/recommended',
-    'plugin:react/jsx-runtime',
-    'plugin:react-hooks/recommended',
+    "eslint:recommended",
+    "plugin:react/recommended",
+    "plugin:react/jsx-runtime",
+    "plugin:react-hooks/recommended",
   ],
-  ignorePatterns: ['dist', '.eslintrc.cjs'],
-  parserOptions: { ecmaVersion: 'latest', sourceType: 'module' },
-  settings: { react: { version: '18.2' } },
-  plugins: ['react-refresh'],
+  ignorePatterns: ["dist", ".eslintrc.cjs"],
+  parserOptions: { ecmaVersion: "latest", sourceType: "module" },
+  settings: { react: { version: "18.2" } },
+  plugins: ["react-refresh"],
   rules: {
-    'react/jsx-no-target-blank': 'off',
-    'react-refresh/only-export-components': [
-      'warn',
+    "react/jsx-no-target-blank": "off",
+    "react-refresh/only-export-components": [
+      "warn",
       { allowConstantExport: true },
     ],
+    "prettier/prettier": "error",
+    "no-multiple-empty-lines": [2, { max: 1, maxEOF: 0 }],
   },
-}
+};

src/GuessControl.jsx

@@ -1,47 +1,23 @@
-import React, { Component } from "react";
-import Button from "./Button";
+import { useState } from "react";
 
-class GuessControl extends Component {
-  constructor(props) {
-    super(props);
+function GuessControl({ onGuess }) {
+  const [currentGuess, setCurrentGuess] = useState("");
 
-    this.state = {
-      currentGuess: "",
-    };
+  const handleInputChange = (e) => {
+    setCurrentGuess(e.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 = () => {
+    onGuess(Number(currentGuess));
+    setCurrentGuess(""); // Reset input field
+  };
 
-  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 (
+    <div>
+      <input type="number" value={currentGuess} onChange={handleInputChange} />
+      <button onClick={onSubmitGuess}>Submit Guess</button>
+    </div>
+  );
 }
 
 export default GuessControl;

src/NumberGuessingGame.jsx

@@ -1,77 +1,50 @@
-import React, { Component } from "react";
+import React from "react";
+import { useState } from "react";
 import GuessControl from "./GuessControl";
 import GuessMessage from "./GuessMessage";
 import GameOver from "./GameOver";
+const MAX_ATTEMPTS = 5;
 
-/**
- *
- * 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>
-    );
-  }
+function NumberGuessingGame() {
+  const [numberToGuess, setNumberToGuess] = useState(getRandomNumber);
+  const [numberOfGuesses, setNumberOfGuesses] = useState(0);
+  const [latestGuess, setLatestGuess] = useState(null);
+
+  const handleGuess = (guess) => {
+    setLatestGuess(guess);
+    setNumberOfGuesses((prevGuesses) => prevGuesses + 1);
+  };
+
+  const handleReset = () => {
+    setNumberToGuess(getRandomNumber);
+    setNumberOfGuesses(0);
+    setLatestGuess(null);
+  };
+
+  const isCorrectGuess = latestGuess === numberToGuess;
+  const isGameOver = isCorrectGuess || 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={handleGuess} />
+      {isGameOver && <GameOver hasWon={isCorrectGuess} onReset={handleReset} />}
+      {!isGameOver && (
+        <GuessMessage
+          guess={latestGuess}
+          numberToGuess={numberToGuess}
+          numberOfGuesses={numberOfGuesses}
+        />
+      )}
+    </div>
+  );
 }
 
 export default NumberGuessingGame;