code: function _stringsByCharOrder(magicWord, givenMagicWord) {
    let charNumber = 0
  
    function _findMatchingCharacter(matchChar, string) {
      let found = false
      for (let j = charNumber; j < string.length; j++) {
        const stringChar = string[j]
        if (stringChar === matchChar) {
          found = true
          charNumber = j + 1
          break
        }
      }
      return found
    }
  
    for (let i = 0; i < givenMagicWord.length; i++) {
      const matchChar = givenMagicWord[i]
      const found = _findMatchingCharacter(matchChar, magicWord)
      if (!found) {
        return _matchRankMap.noMatch
      }
    }
    return _matchRankMap.matches
  }
docs: Returns a _matchRankMap.matches or noMatch score based on whether
  the characters in the givenMagicWord are found in order in the
  magicWord
  @param {string} magicWord
  @param {string} givenMagicWord
  @returns {number}
  @private