add solution

mate-academy · Jan 14, 2025 · 0c6a2d5 · 0c6a2d5
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diff --git a/.github/workflows/test.yml-template b/.github/workflows/test.yml-template
@@ -0,0 +1,29 @@
+name: Test
+
+on:
+  pull_request:
+    branches: [ master ]
+
+jobs:
+  build:
+
+    runs-on: ubuntu-latest
+
+    strategy:
+      matrix:
+        node-version: [20.x]
+
+    steps:
+      - uses: actions/checkout@v2
+      - name: Use Node.js ${{ matrix.node-version }}
+        uses: actions/setup-node@v1
+        with:
+          node-version: ${{ matrix.node-version }}
+      - run: npm install
+      - run: npm start & sleep 5 && npm test
+      - name: Upload tests report(cypress mochaawesome merged HTML report)
+        if: ${{ always() }}
+        uses: actions/upload-artifact@v2
+        with:
+          name: report
+          path: reports
diff --git a/README.md b/README.md
@@ -61,7 +61,7 @@ You can change the HTML/CSS layout if you need it.
 ## Deploy and Pull Request
 
 1. Replace `<your_account>` with your Github username in the link
-    - [DEMO LINK](https://<your_account>.github.io/js_2048_game/)
+    - [DEMO LINK](https://nineuito.github.io/js_2048_game/)
 2. Follow [this instructions](https://mate-academy.github.io/layout_task-guideline/)
     - Run `npm run test` command to test your code;
     - Run `npm run test:only -- -n` to run fast test ignoring linter;

diff --git a/package.json b/package.json
@@ -23,7 +23,7 @@
     "@mate-academy/eslint-config": "latest",
     "@mate-academy/jest-mochawesome-reporter": "^1.0.0",
     "@mate-academy/linthtml-config": "latest",
-    "@mate-academy/scripts": "^1.8.5",
+    "@mate-academy/scripts": "^1.9.12",
     "@mate-academy/stylelint-config": "latest",
     "@parcel/transformer-sass": "^2.12.0",
     "cypress": "^13.13.0",

diff --git a/src/index.html b/src/index.html
@@ -1,5 +1,8 @@
 <!doctype html>
-<html lang="en">
+<html
+  lang="en"
+  class="page"
+>
   <head>
     <meta charset="UTF-8" />
     <meta
@@ -12,7 +15,7 @@
       href="./styles/main.scss"
     />
   </head>
-  <body>
+  <body class="page__body">
     <div class="container">
       <div class="game-header">
         <h1>2048</h1>
@@ -65,6 +68,9 @@ <h1>2048</h1>
         </p>
       </div>
     </div>
-    <script src="scripts/main.js"></script>
+    <script
+      src="scripts/main.js"
+      type="module"
+    ></script>
   </body>
 </html>
diff --git a/src/modules/Game.class.js b/src/modules/Game.class.js
@@ -1,68 +1,240 @@
 'use strict';
 
-/**
- * This class represents the game.
- * Now it has a basic structure, that is needed for testing.
- * Feel free to add more props and methods if needed.
- */
-class Game {
-  /**
-   * Creates a new game instance.
-   *
-   * @param {number[][]} initialState
-   * The initial state of the board.
-   * @default
-   * [[0, 0, 0, 0],
-   *  [0, 0, 0, 0],
-   *  [0, 0, 0, 0],
-   *  [0, 0, 0, 0]]
-   *
-   * If passed, the board will be initialized with the provided
-   * initial state.
-   */
+export default class Game {
   constructor(initialState) {
-    // eslint-disable-next-line no-console
-    console.log(initialState);
+    this.initialState = initialState || [
+      [0, 0, 0, 0],
+      [0, 0, 0, 0],
+      [0, 0, 0, 0],
+      [0, 0, 0, 0],
+    ];
+    this.state = structuredClone(this.initialState);
+    this.score = 0;
+    this.status = 'idle';
   }
 
-  moveLeft() {}
-  moveRight() {}
-  moveUp() {}
-  moveDown() {}
-
-  /**
-   * @returns {number}
-   */
-  getScore() {}
-
-  /**
-   * @returns {number[][]}
-   */
-  getState() {}
-
-  /**
-   * Returns the current game status.
-   *
-   * @returns {string} One of: 'idle', 'playing', 'win', 'lose'
-   *
-   * `idle` - the game has not started yet (the initial state);
-   * `playing` - the game is in progress;
-   * `win` - the game is won;
-   * `lose` - the game is lost
-   */
-  getStatus() {}
-
-  /**
-   * Starts the game.
-   */
-  start() {}
-
-  /**
-   * Resets the game.
-   */
-  restart() {}
-
-  // Add your own methods here
-}
+  moveLeft() {
+    if (this.status !== 'playing') {
+      return;
+    }
+
+    const prevState = structuredClone(this.state);
+
+    for (let i = 0; i < 4; i++) {
+      const row = this.state[i].filter((cell) => cell !== 0);
+
+      for (let j = 0; j < row.length - 1; j++) {
+        if (row[j] === row[j + 1]) {
+          row[j] *= 2;
+          this.score += row[j];
+          row.splice(j + 1, 1);
+        }
+      }
+
+      while (row.length < 4) {
+        row.push(0);
+      }
+      this.state[i] = row;
+    }
+
+    if (prevState !== structuredClone(this.state)) {
+      this.addRandomTile();
+      this.updateGameStatus();
+    }
+  }
+
+  moveRight() {
+    if (this.status !== 'playing') {
+      return;
+    }
+
+    const prevState = structuredClone(this.state);
+
+    for (let i = 0; i < 4; i++) {
+      const row = this.state[i].filter((cell) => cell !== 0);
+
+      for (let j = row.length - 1; j > 0; j--) {
+        if (row[j] === row[j - 1]) {
+          row[j] *= 2;
+          this.score += row[j];
+          row.splice(j - 1, 1);
+          j--;
+        }
+      }
+
+      while (row.length < 4) {
+        row.unshift(0);
+      }
+      this.state[i] = row;
+    }
+
+    if (prevState !== structuredClone(this.state)) {
+      this.addRandomTile();
+      this.updateGameStatus();
+    }
+  }
+
+  moveUp() {
+    if (this.status !== 'playing') {
+      return;
+    }
+
+    const prevState = structuredClone(this.state);
+
+    for (let j = 0; j < 4; j++) {
+      const column = [];
+
+      for (let i = 0; i < 4; i++) {
+        if (this.state[i][j] !== 0) {
+          column.push(this.state[i][j]);
+        }
+      }
+
+      for (let i = 0; i < column.length - 1; i++) {
+        if (column[i] === column[i + 1]) {
+          column[i] *= 2;
+          this.score += column[i];
+          column.splice(i + 1, 1);
+        }
+      }
+
+      while (column.length < 4) {
+        column.push(0);
+      }
+
+      for (let i = 0; i < 4; i++) {
+        this.state[i][j] = column[i];
+      }
+    }
+
+    if (prevState !== structuredClone(this.state)) {
+      this.addRandomTile();
+      this.updateGameStatus();
+    }
+  }
+
+  moveDown() {
+    if (this.status !== 'playing') {
+      return;
+    }
+
+    const prevState = structuredClone(this.state);
+
+    for (let j = 0; j < 4; j++) {
+      const column = [];
+
+      for (let i = 0; i < 4; i++) {
+        if (this.state[i][j] !== 0) {
+          column.push(this.state[i][j]);
+        }
+      }
+
+      for (let i = column.length - 1; i > 0; i--) {
+        if (column[i] === column[i - 1]) {
+          column[i] *= 2;
+          this.score += column[i];
+          column.splice(i - 1, 1);
+          i--;
+        }
+      }
 
-module.exports = Game;
+      while (column.length < 4) {
+        column.unshift(0);
+      }
+
+      for (let i = 0; i < 4; i++) {
+        this.state[i][j] = column[i];
+      }
+    }
+
+    if (prevState !== structuredClone(this.state)) {
+      this.addRandomTile();
+      this.updateGameStatus();
+    }
+  }
+
+  getScore() {
+    return this.score;
+  }
+
+  getState() {
+    return this.state;
+  }
+
+  getStatus() {
+    return this.status;
+  }
+
+  start() {
+    this.state = structuredClone(this.initialState);
+    this.status = 'playing';
+    this.addRandomTile();
+    this.addRandomTile();
+  }
+
+  restart() {
+    this.state = structuredClone(this.initialState);
+    this.score = 0;
+    this.status = 'idle';
+    this.addRandomTile();
+    this.addRandomTile();
+  }
+
+  addRandomTile() {
+    const arrayForEmptyCells = [];
+
+    for (let i = 0; i < 4; i++) {
+      for (let j = 0; j < 4; j++) {
+        if (this.state[i][j] === 0) {
+          arrayForEmptyCells.push([i, j]);
+        }
+      }
+    }
+
+    if (arrayForEmptyCells.length > 0) {
+      const [row, col] =
+        arrayForEmptyCells[
+          Math.floor(Math.random() * arrayForEmptyCells.length)
+        ];
+
+      this.state[row][col] = Math.random() < 0.9 ? 2 : 4;
+    }
+  }
+
+  hasWon() {
+    return this.state.some((row) => row.some((cell) => cell === 2048));
+  }
+
+  canMove() {
+    for (let i = 0; i < 4; i++) {
+      for (let j = 0; j < 4; j++) {
+        if (this.state[i][j] === 0) {
+          return true;
+        }
+      }
+    }
+
+    for (let i = 0; i < 4; i++) {
+      for (let j = 0; j < 4; j++) {
+        const current = this.state[i][j];
+
+        if (
+          (i < 3 && current === this.state[i + 1][j]) ||
+          (j < 3 && current === this.state[i][j + 1])
+        ) {
+          return true;
+        }
+      }
+    }
+
+    return false;
+  }
+
+  updateGameStatus() {
+    if (this.hasWon()) {
+      this.status = 'win';
+    } else if (!this.canMove()) {
+      this.status = 'lose';
+    }
+  }
+}