code: function hiraganaToKatakana(input = '') {
    const kata = [];
    input.split('').forEach((char) => {
      // Short circuit to avoid incorrect codeshift for 'ー' and '・'
      if (isCharLongDash(char) || isCharSlashDot(char)) {
        kata.push(char);
      } else if (isCharHiragana(char)) {
        // Shift charcode.
        const code = char.charCodeAt(0) + (KATAKANA_START - HIRAGANA_START);
        const kataChar = String.fromCharCode(code);
        kata.push(kataChar);
      } else {
        // Pass non-hiragana chars through
        kata.push(char);
      }
    });
    return kata.join('');
  }
docs: Convert [Hiragana](https://en.wikipedia.org/wiki/Hiragana) to [Katakana](https://en.wikipedia.org/wiki/Katakana)
  Passes through any non-hiragana chars
  @param  {String} [input=''] text input
  @return {String} converted text
  @example
  hiraganaToKatakana('ひらがな')
  // => "ヒラガナ"
  hiraganaToKatakana('ひらがな is a type of kana')
  // => "ヒラガナ is a type of kana"
  @ignore