feat: added web view 1v1
This commit is contained in:
shahdlala66
@@ -0,0 +1,250 @@
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import { CommonModule } from '@angular/common';
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import { Component, OnDestroy, OnInit } from '@angular/core';
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import { FormsModule } from '@angular/forms';
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import { ActivatedRoute, RouterLink } from '@angular/router';
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import { interval, startWith, Subscription, switchMap } from 'rxjs';
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import { ChessBoardComponent } from '../../components/chess-board/chess-board.component';
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import { GameFull, GameState, GameStreamEvent, LegalMove } from '../../models/game.models';
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import { GameApiService } from '../../services/game-api.service';
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@Component({
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selector: 'app-game',
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standalone: true,
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imports: [CommonModule, FormsModule, RouterLink, ChessBoardComponent],
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templateUrl: './game.component.html',
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styleUrl: './game.component.css'
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})
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export class GameComponent implements OnInit, OnDestroy {
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gameId = '';
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game: GameFull | null = null;
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errorMessage = '';
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moveInput = '';
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legalMoves: LegalMove[] = [];
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loading = true;
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selectedSquare: string | null = null;
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highlightedSquares: string[] = [];
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private selectedSquareMoves: LegalMove[] = [];
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private streamSubscription: Subscription | null = null;
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private pollSubscription: Subscription | null = null;
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private routeSubscription: Subscription | null = null;
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constructor(
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private readonly route: ActivatedRoute,
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private readonly gameApi: GameApiService
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) {}
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get state(): GameState | null {
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return this.game?.state ?? null;
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}
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get legalMoveUciList(): string[] {
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return this.legalMoves.map((move) => move.uci);
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}
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ngOnInit(): void {
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this.routeSubscription = this.route.paramMap.subscribe((paramMap) => {
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const id = paramMap.get('gameId');
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if (!id) {
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this.errorMessage = 'Missing gameId in route.';
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this.loading = false;
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return;
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}
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this.gameId = id;
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this.loadGame();
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});
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}
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ngOnDestroy(): void {
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this.routeSubscription?.unsubscribe();
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this.streamSubscription?.unsubscribe();
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this.pollSubscription?.unsubscribe();
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}
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onBoardSquareSelected(square: string): void {
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if (!this.state) {
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return;
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}
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if (this.selectedSquare && this.highlightedSquares.includes(square)) {
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const selectedMove = this.selectedSquareMoves.find((move) => move.to === square);
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if (selectedMove) {
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this.moveInput = selectedMove.uci;
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this.submitMove();
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}
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return;
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}
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const piece = this.getPieceAtSquare(this.state.fen, square);
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if (!piece || !this.isCurrentTurnPiece(piece)) {
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this.clearSelection();
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return;
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}
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this.errorMessage = '';
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this.gameApi.getLegalMoves(this.gameId, square).subscribe({
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next: (response) => {
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this.selectedSquare = square;
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this.selectedSquareMoves = response.moves;
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this.highlightedSquares = response.moves.map((move) => move.to);
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},
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error: () => {
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this.clearSelection();
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this.errorMessage = 'Could not load legal moves for selected square.';
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}
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});
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}
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submitMove(): void {
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const uci = this.moveInput.trim();
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if (!uci) {
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return;
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}
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this.errorMessage = '';
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this.gameApi.makeMove(this.gameId, uci).subscribe({
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next: (state) => {
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if (this.game) {
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this.game = { ...this.game, state };
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}
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this.moveInput = '';
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this.clearSelection();
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this.loadLegalMoves();
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},
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error: (error: { error?: { message?: string } }) => {
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this.errorMessage = error.error?.message ?? 'Move rejected.';
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}
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});
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}
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private loadGame(): void {
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this.loading = true;
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this.errorMessage = '';
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this.clearSelection();
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this.streamSubscription?.unsubscribe();
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this.pollSubscription?.unsubscribe();
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this.gameApi.getGame(this.gameId).subscribe({
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next: (game) => {
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this.game = game;
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this.loading = false;
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this.loadLegalMoves();
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this.startStream();
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this.startPolling();
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},
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error: (error: { error?: { message?: string } }) => {
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this.errorMessage = error.error?.message ?? `Could not load game ${this.gameId}.`;
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this.loading = false;
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}
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});
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}
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private loadLegalMoves(): void {
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this.gameApi.getLegalMoves(this.gameId).subscribe({
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next: (response) => {
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this.legalMoves = response.moves;
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},
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error: () => {
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this.legalMoves = [];
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}
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});
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}
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private startStream(): void {
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this.streamSubscription = this.gameApi.streamGame(this.gameId).subscribe({
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next: (event) => this.applyStreamEvent(event),
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error: () => {
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this.errorMessage = 'Live stream disconnected.';
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}
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});
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}
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private startPolling(): void {
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this.pollSubscription = interval(1500)
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.pipe(
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startWith(0),
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switchMap(() => this.gameApi.getGame(this.gameId))
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)
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.subscribe({
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next: (game) => {
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const previousMoves = this.game?.state.moves.join(',') ?? '';
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this.game = game;
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if (previousMoves !== game.state.moves.join(',')) {
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this.clearSelection();
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this.loadLegalMoves();
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}
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}
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});
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}
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private applyStreamEvent(event: GameStreamEvent): void {
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if (event.type === 'gameFull') {
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this.game = event.game;
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this.clearSelection();
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this.loadLegalMoves();
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return;
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}
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if (event.type === 'gameState' && this.game) {
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const moveCountBefore = this.game.state.moves.length;
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this.game = { ...this.game, state: event.state };
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if (event.state.moves.length !== moveCountBefore) {
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this.clearSelection();
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}
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this.loadLegalMoves();
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return;
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}
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if (event.type === 'error') {
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this.errorMessage = event.error.message;
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}
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}
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private clearSelection(): void {
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this.selectedSquare = null;
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this.selectedSquareMoves = [];
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this.highlightedSquares = [];
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}
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private isCurrentTurnPiece(pieceCode: string): boolean {
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if (!this.state) {
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return false;
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}
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const isWhitePiece = pieceCode === pieceCode.toUpperCase();
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return (this.state.turn === 'white' && isWhitePiece) || (this.state.turn === 'black' && !isWhitePiece);
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}
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private getPieceAtSquare(fen: string, targetSquare: string): string | null {
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const placement = fen.split(' ')[0] ?? '';
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const rows = placement.split('/');
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if (rows.length !== 8 || targetSquare.length !== 2) {
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return null;
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}
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const file = targetSquare.charCodeAt(0) - 97;
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const rank = Number(targetSquare[1]);
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const rowIndex = 8 - rank;
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if (Number.isNaN(rank) || file < 0 || file > 7 || rowIndex < 0 || rowIndex > 7) {
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return null;
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}
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let column = 0;
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for (const symbol of rows[rowIndex]) {
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if (symbol >= '1' && symbol <= '8') {
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column += Number(symbol);
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continue;
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}
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if (column === file) {
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return symbol;
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}
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column += 1;
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}
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return null;
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}
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}
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