scrabble-solver/packages/types/src/isError.ts

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

import { isObject } from './isObject';

export const isError = (value: unknown): value is Error => {
  if (!isObject(value)) {
    return false;
  }

  return typeof value.message === 'string';
};