Method ToControlCharacter

src/configuration/notation.ts:22–28

* Converts keystroke like to a single control character like \t

(key: string)

   * Converts keystroke like <tab> to a single control character like \t
   */
  public static ToControlCharacter(key: string) {
    if (key === '<tab>') {
      return '\t';
    }

    return key;
  }

  public static IsControlKey(key: string): boolean {
    key = key.toLocaleUpperCase();