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export const formatGridForDisplay = (grid) => {
if (!grid || !Array.isArray(grid)) return [];
return grid.map(row =>
row.map(cell => cell === '.' ? '.' : cell.toUpperCase())
);
};
export const validateUserInput = (input) => {
return /^[A-Za-z]?$/.test(input);
};
export const checkPuzzleCompletion = (grid, userAnswers) => {
if (!grid || !userAnswers) return false;
for (let row = 0; row < grid.length; row++) {
for (let col = 0; col < grid[row].length; col++) {
if (grid[row][col] !== '.') {
const key = `${row}-${col}`;
if (!userAnswers[key] || userAnswers[key] !== grid[row][col]) {
return false;
}
}
}
}
return true;
};
export const getWordPositions = (grid, clues) => {
const positions = {};
clues.forEach(clue => {
positions[`${clue.number}-${clue.direction}`] = {
start: clue.position,
length: clue.word.length,
direction: clue.direction
};
});
return positions;
};
export const highlightWord = (wordPositions, selectedClue) => {
if (!selectedClue || !wordPositions[selectedClue]) return [];
const { start, length, direction } = wordPositions[selectedClue];
const cells = [];
for (let i = 0; i < length; i++) {
if (direction === 'across') {
cells.push(`${start.row}-${start.col + i}`);
} else {
cells.push(`${start.row + i}-${start.col}`);
}
}
return cells;
}; |