docs: function getMatchRanking(testString, stringToRank, options) {
    /* eslint complexity:[2, 12] */
    testString = prepareValueForComparison(testString, options)
    stringToRank = prepareValueForComparison(stringToRank, options)
  
    // too long
    if (stringToRank.length > testString.length) {
      return rankings.NO_MATCH
    }
  
    // case sensitive equals
    if (testString === stringToRank) {
      return rankings.CASE_SENSITIVE_EQUAL
    }
  
    const caseRank = getCaseRanking(testString)
    const isPartial = isPartialOfCase(testString, stringToRank, caseRank)
    const isCasedAcronym = isCaseAcronym(testString, stringToRank, caseRank)
  
    // Lower casing before further comparison
    testString = testString.toLowerCase()
    stringToRank = stringToRank.toLowerCase()
  
    // case insensitive equals
    if (testString === stringToRank) {
      return rankings.EQUAL + caseRank
    }
  
    // starts with
    if (testString.indexOf(stringToRank) === 0) {
      return rankings.STARTS_WITH + caseRank
    }
  
    // word starts with
    if (testString.indexOf(` ${stringToRank}`) !== -1) {
      return rankings.WORD_STARTS_WITH + caseRank
    }
  
    // is a part inside a cased string
    if (isPartial) {
      return rankings.STRING_CASE + caseRank
    }
  
    // is acronym for a cased string
    if (caseRank > 0 && isCasedAcronym) {
      return rankings.STRING_CASE_ACRONYM + caseRank
    }
  
    // contains
    if (testString.indexOf(stringToRank) !== -1) {
      return rankings.CONTAINS + caseRank
    } else if (stringToRank.length === 1) {
      // If the only character in the given stringToRank
      //   isn't even contained in the testString, then
      //   it's definitely not a match.
      return rankings.NO_MATCH
    }
  
    // acronym
    if (getAcronym(testString).indexOf(stringToRank) !== -1) {
      return rankings.ACRONYM + caseRank
    }
  
    // will return a number between rankings.MATCHES and
    // rankings.MATCHES + 1 depending  on how close of a match it is.
    return getClosenessRanking(testString, stringToRank)
  }