tedious/lib/data-types/tinyint.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 DATA_LENGTH = Buffer.from([0x01]);
const NULL_LENGTH = Buffer.from([0x00]);
const TinyInt = {
  id: 0x30,
  type: 'INT1',
  name: 'TinyInt',
  declaration: function () {
    return 'tinyint';
  },
  generateTypeInfo() {
    return Buffer.from([_intn.default.id, 0x01]);
  },
  generateParameterLength(parameter, options) {
    if (parameter.value == null) {
      return NULL_LENGTH;
    }
    return DATA_LENGTH;
  },
  *generateParameterData(parameter, options) {
    if (parameter.value == null) {
      return;
    }
    const buffer = Buffer.alloc(1);
    buffer.writeUInt8(Number(parameter.value), 0);
    yield buffer;
  },
  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 < 0 || value > 255) {
      throw new TypeError('Value must be between 0 and 255, inclusive.');
    }
    return value | 0;
  }
};
var _default = exports.default = TinyInt;
module.exports = TinyInt;
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