text: "use strict";
  
  Object.defineProperty(exports, "__esModule", {
    value: true
  });
  exports.default = void 0;
  
  var _datetimen = _interopRequireDefault(require("./datetimen"));
  
  function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
  
  const EPOCH_DATE = new Date(1900, 0, 1);
  const UTC_EPOCH_DATE = new Date(Date.UTC(1900, 0, 1));
  const SmallDateTime = {
    id: 0x3A,
    type: 'DATETIM4',
    name: 'SmallDateTime',
    declaration: function declaration() {
      return 'smalldatetime';
    },
    writeTypeInfo: function writeTypeInfo(buffer) {
      buffer.writeUInt8(_datetimen.default.id);
      buffer.writeUInt8(4);
    },
    writeParameterData: function writeParameterData(buffer, parameter, options, cb) {
      if (parameter.value != null) {
        let days, dstDiff, minutes;
  
        if (options.useUTC) {
          days = Math.floor((parameter.value.getTime() - UTC_EPOCH_DATE.getTime()) / (1000 * 60 * 60 * 24));
          minutes = parameter.value.getUTCHours() * 60 + parameter.value.getUTCMinutes();
        } else {
          dstDiff = -(parameter.value.getTimezoneOffset() - EPOCH_DATE.getTimezoneOffset()) * 60 * 1000;
          days = Math.floor((parameter.value.getTime() - EPOCH_DATE.getTime() + dstDiff) / (1000 * 60 * 60 * 24));
          minutes = parameter.value.getHours() * 60 + parameter.value.getMinutes();
        }
  
        buffer.writeUInt8(4);
        buffer.writeUInt16LE(days);
        buffer.writeUInt16LE(minutes);
      } else {
        buffer.writeUInt8(0);
      }
  
      cb();
    },
    validate: function validate(value) {
      if (value == null) {
        return null;
      }
  
      if (!(value instanceof Date)) {
        value = new Date(Date.parse(value));
      }
  
      if (isNaN(value)) {
        return new TypeError('Invalid date.');
      }
  
      return value;
    }
  };
  var _default = SmallDateTime;
  exports.default = _default;
  module.exports = SmallDateTime;