Method validateDelimiterValue

src/Encoder/Bootstring.js:508–532

* Validates the delimiter value. * @param {Chain} value Delimiter value * @param {Field} setting Sender field * @return {boolean|object}

(value, setting)

   * @return {boolean|object}
   */
  validateDelimiterValue (value, setting) {
    // The delimiter value depends on the basic range and the digit mapping
    if (!this.isSettingValid('basicRangeStart', 'basicRangeEnd', 'digitMapping')) {
      return false
    }

    const { basicRangeStart, basicRangeEnd, digitMapping } =
      this.getSettingValues()

    const delimiter = value.getCodePointAt(0)

    // Delimiter needs to be in the basic code point range
    if (delimiter < basicRangeStart ||
        delimiter > basicRangeEnd ||
        digitMapping.indexOfCodePoint(delimiter) !== -1) {
      return {
        key: 'bootstringDelimiterInvalid',
        message:
          'The value must be part of the basic code point range while ' +
          'not having a digit mapped to it'
      }
    }

    return true
  }

  /**
   * Validates initial bias setting value according to section 4 of RFC 3492