function escapeRegExp(input: string) {
  // escape regex characters in the input string to prevent regex format errors
  return input.replace(/[.*+?^${}()|[\]\\]/g, '\\$&');
}

/**
 * Checks if the name is a fuzzy match of the query.
 *
 * @example
 * ```ts
 * const name = 'John Smith';
 * const query = 'js';
 * const isMatch = isFuzzyMatch(name, query);
 * // isMatch: true
 * ```
 */
export function isFuzzyMatch(name: string, query: string) {
  const pureName = name
    .trim()
    .toLowerCase()
    .split('')
    .filter(char => char !== ' ')
    .join('');

  const regex = new RegExp(
    query
      .split('')
      .filter(char => char !== ' ')
      .map(item => `${escapeRegExp(item)}.*`)
      .join(''),
    'i'
  );
  return regex.test(pureName);
}