scrabble-solver/packages/solver/src/getPatternHash.ts

Scrabble Solver 2 - Free, open-source, cross-platform, multi-language analysis tool for Scrabble, Scrabble Duel, Super Scrabble, Letter League, Crossplay, Literaki, and Kelimelik. Quickly find the top-scoring words using the given board and tiles.

import { type Pattern } from '@scrabble-solver/types';

export const getPatternHash = (pattern: Pattern): string => {
  return pattern.cells
    .filter((cell) => cell.isEmpty)
    .map((cell) => {
      const blank = cell.tile.isBlank ? '!' : '';
      const tile = cell.tile.character + blank;
      return [cell.x, cell.y, tile].join(',');
    })
    .join('-');
};