London 9 - Oleh Pysmenko - Terminal-tic-tac-toe

board-printer.js

@@ -16,12 +16,42 @@
     Test your function by calling it with an example tic-tac-toe board.
 */
 export function printBoard(board) {
+    for (let rows of board) {
+        console.log(`  ${rows[0] !== "_" ? rows[0] : " "}  |  ${rows[1] !== "_" ? rows[1] : " "}  |  ${rows[2] !== "_" ? rows[2] : " "}\n=================`)
+    }
 }
 
+// TESTS FOR printBoard
+// let board = [
+//     ['X', '_', '_'],
+//     ['_', 'X', '_'],
+//     ['O', 'O', 'X']
+// ];
+// printBoard(board);
 /*
     Given a tic-tac-toe board (an array of arrays),
         - return true if there are no moves left to make (there are no more '_' values)
         - return false if there are still moves that can be made
 */
 export function checkIfNoMovesLeft(board) {
+    for (let i of board){
+        for (let j of i){
+            if (j==="_"){
+                return false
+            }
+        }
+    }
+    return true
 }
+
+// TESTS FOR checkIfNoMovesLeft
+// let board1 =    [['X', '_', '_'],
+//                 ['_', 'X', '_'],
+//                 ['O', 'O', 'X']];
+// let board2 =    [['X', 'X', 'X'],
+//                 ['X', 'X', 'X'],
+//                 ['O', 'O', 'X']];
+// console.log(checkIfNoMovesLeft(board1));
+// // false
+// console.log(checkIfNoMovesLeft(board2));
+// // true

move-maker.js

@@ -16,7 +16,17 @@
         ];
 */
 function validateMove(move, board) {
-    // Implement this at the end if you have time, otherwise you can help your teammates!
+    if(
+        move.length != 3 ||
+        move[0] < '1' || move[0] > '3' ||
+        move[2] < '1' || move[2] > '3' ||
+        move[1] !== ',' ||
+        board[move[0]-1][move[2]-1] !== '_'
+    ) {
+        console.log('Try again...');
+        return false;
+    }
+
     return true;
 }
 
@@ -32,5 +42,10 @@ function validateMove(move, board) {
             - Return true
 */
 export function makeMove(board, move, player) {
+    if(validateMove(move, board)) {
+        board[move[0]-1][move[2]-1] = player;
+        return true;
+    }
+
     return false;
 }

status-checker.js

@@ -18,7 +18,18 @@ import { checkIfNoMovesLeft } from './board-printer.js';
     Otherwise, return false
 */
 function checkRow(board, player, rowNumber) {
+    return board[rowNumber].every(element => element===player)
 }
+// TESTS FOR checkRow
+// let boardTest1 = [
+//     ['_', '_', '_'],
+//     ['_', '_', '_'],
+//     ['O', 'O', 'O']
+// ];
+// console.log(checkRow(boardTest1, "O", 2));
+// true
+// console.log(checkRow(boardTest1, "O", 1));
+// false
 
 /*
     Given 3 parameters:
@@ -29,8 +40,23 @@ function checkRow(board, player, rowNumber) {
     Otherwise, return false
 */
 function checkColumn(board, player, columnNumber) {
+    for (let row of board){
+        if(row[columnNumber]!==player){
+            return false
+        }
+    }
+    return true
 }
-
+// TESTS FOR checkColumn
+// let boardTest2 = [
+//     ['_', '_', 'O'],
+//     ['_', '_', 'O'],
+//     ['_', '_', 'O']
+// ];
+// console.log(checkColumn(boardTest2, "O", 2));
+// true
+// console.log(checkColumn(boardTest2, "O", 1));
+// false
 /*
     Given 2 parameters:
         - a tic-tac-toe board (array of arrays)
@@ -40,8 +66,41 @@ function checkColumn(board, player, columnNumber) {
 */
 function checkDiagonal(board, player) {
     // It may be easier to use an if statement than a loop here
+    if (
+        board[0][0] === player &&
+        board[1][1] === player &&
+        board[2][2] === player ||
+        board[0][2] === player &&
+        board[1][1] === player &&
+        board[2][0] === player
+    ) {
+        return true;
+    } else {
+        return false;
+    }
 }
-
+// TESTS FOR checkColumn
+// let boardTest3 = [
+//     ['O', '_', '_'],
+//     ['_', 'O', '_'],
+//     ['_', '_', 'O']
+// ];
+// let boardTest4 = [
+//     ['_', '_', 'O'],
+//     ['_', 'O', '_'],
+//     ['O', '_', '_']
+// ];
+// let boardTest5 = [
+//     ['O', '_', 'O'],
+//     ['_', '_', '_'],
+//     ['O', '_', 'O']
+// ];
+// console.log(checkDiagonal(boardTest3, "O"));
+// true
+// console.log(checkDiagonal(boardTest4, "O"));
+// true
+// console.log(checkDiagonal(boardTest5, "O"));
+// false
 
 /*
     There is no need to change any code below this line.