text: "use strict";
  Object.defineProperty(exports, "__esModule", { value: true });
  var finished_1 = require("../../encoding/finished");
  var terminology_1 = require("../../encoding/terminology");
  var utilities_1 = require("../../encoding/utilities");
  var converCodeUnitToBytes_1 = require("./converCodeUnitToBytes");
  /**
   * @constructor
   * @implements {Encoder}
   * @param {boolean} utf16_be True if big-endian, false if little-endian.
   * @param {{fatal: boolean}} options
   */
  var UTF16Encoder = /** @class */ (function () {
      function UTF16Encoder(utf16_be, options) {
          this.utf16_be = utf16_be;
          this.fatal = options.fatal;
      }
      /**
       * @param {Stream} stream Input stream.
       * @param {number} code_point Next code point read from the stream.
       * @return {(number|!Array.<number>)} Byte(s) to emit.
       */
      UTF16Encoder.prototype.handler = function (stream, code_point) {
          // 1. If code point is end-of-stream, return finished.
          if (code_point === terminology_1.end_of_stream)
              return finished_1.finished;
          // 2. If code point is in the range U+0000 to U+FFFF, inclusive,
          // return the sequence resulting of converting code point to
          // bytes using utf-16be encoder flag.
          if (utilities_1.inRange(code_point, 0x0000, 0xFFFF))
              return converCodeUnitToBytes_1.convertCodeUnitToBytes(code_point, this.utf16_be);
          // 3. Let lead be ((code point − 0x10000) >> 10) + 0xD800,
          // converted to bytes using utf-16be encoder flag.
          var lead = converCodeUnitToBytes_1.convertCodeUnitToBytes(((code_point - 0x10000) >> 10) + 0xD800, this.utf16_be);
          // 4. Let trail be ((code point − 0x10000) & 0x3FF) + 0xDC00,
          // converted to bytes using utf-16be encoder flag.
          var trail = converCodeUnitToBytes_1.convertCodeUnitToBytes(((code_point - 0x10000) & 0x3FF) + 0xDC00, this.utf16_be);
          // 5. Return a byte sequence of lead followed by trail.
          return lead.concat(trail);
      };
      return UTF16Encoder;
  }());
  exports.UTF16Encoder = UTF16Encoder;
  //# sourceMappingURL=UTF16Encoder.js.map