Method performDecode

src/Encoder/CharacterBlock.js:101–118

* Performs decode on given content. * @protected * @param {Chain} content * @return {number[]|string|Uint8Array|Chain|Promise} Decoded content

(content)

   * @return {number[]|string|Uint8Array|Chain|Promise} Decoded content
   */
  performDecode (content) {
    switch (this._mode) {
      case CharacterToBlockMode: {
        return content.split(this.getSeparator())
          .map((block, index, blocks) =>
            this.performBlockDecodeToChar(block, index, blocks, content))
          .filter(codePoint => codePoint !== null)
      }
      case BlockToCharacterMode: {
        const blocks = content.getCodePoints()
          .map((codePoint, index) =>
            this.performCharDecodeToBlock(codePoint, index, content))
          .filter(block => block !== null)
          .map(Chain.wrap)
        return Chain.join(blocks, this.getSeparator())
      }
    }
  }

  /**
   * Encodes given character to a block.