stringencoding/src/error.js

Encode to/from Typed Array buffers

  /**
   * @constructor
   * @param {string} message Description of the error.
   */
  function EncodingError(message) {
    this.name = 'EncodingError';
    this.message = message;
    this.code = 0;
  }
  EncodingError.prototype = Error.prototype;

  /**
   * @param {boolean} fatal If true, decoding errors raise an exception.
   * @param {number=} opt_code_point Override the standard fallback code point.
   * @return {number} The code point to insert on a decoding error.
   */
  function decoderError(fatal, opt_code_point) {
    if (fatal) {
      throw new EncodingError('Decoder error');
    }
    return opt_code_point || 0xFFFD;
  }

  /**
   * @param {number} code_point The code point that could not be encoded.
   */
  function encoderError(code_point) {
    throw new EncodingError('The code point ' + code_point +
                            ' could not be encoded.');
  }

  module.exports.decoderError = decoderError;