Function explore

graphs/boggle-board.js:33–46

(row, col, board, visited, trieNode, finalWords)

}

function explore(row, col, board, visited, trieNode, finalWords) {
  if (visited[row][col]) return;
  const letter = board[row][col];
  if (!trieNode.hasOwnProperty(letter)) return;
  visited[row][col] = true;
  trieNode = trieNode[letter];
  if ("*" in trieNode) finalWords[trieNode["*"]] = true;
  const neighbors = getNeighbors(row, col, board);

  for (const neighbor of neighbors) {
    explore(neighbor[0], neighbor[1], board, visited, trieNode, finalWords);
  }
  visited[row][col] = false;
}

function getNeighbors(row, col, board) {
  const neighbors = [];