tedious/lib/data-types/smallint.js

A TDS driver, for connecting to MS SQLServer databases.

"use strict";

Object.defineProperty(exports, "__esModule", {
  value: true
});
exports.default = void 0;
var _intn = _interopRequireDefault(require("./intn"));
function _interopRequireDefault(e) { return e && e.__esModule ? e : { default: e }; }
const TYPE_INFO = Buffer.from([_intn.default.id, 0x02]);
const SmallInt = {
  id: 0x34,
  type: 'INT2',
  name: 'SmallInt',
  declaration: function () {
    return 'smallint';
  },
  writeTypeInfo(buffer) {
    buffer.writeBuffer(TYPE_INFO);
  },
  writeValue(buffer, parameter) {
    const value = parameter.value;
    if (value == null) {
      buffer.writeUInt8(0x00);
      return;
    }
    buffer.writeUInt8(0x02);
    buffer.writeInt16LE(value);
  },
  validate: function (value) {
    if (value == null) {
      return null;
    }
    if (typeof value !== 'number') {
      value = Number(value);
    }
    if (isNaN(value)) {
      throw new TypeError('Invalid number.');
    }
    if (value < -32768 || value > 32767) {
      throw new TypeError('Value must be between -32768 and 32767, inclusive.');
    }
    return value | 0;
  }
};
var _default = exports.default = SmallInt;
module.exports = SmallInt;
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