tedious/lib/data-types/smalldatetime.js

A TDS driver, for connecting to MS SQLServer databases.

"use strict";

Object.defineProperty(exports, "__esModule", {
  value: true
});
exports.default = void 0;
var _datetimen = _interopRequireDefault(require("./datetimen"));
function _interopRequireDefault(e) { return e && e.__esModule ? e : { default: e }; }
const EPOCH_DATE = new Date(1900, 0, 1);
const UTC_EPOCH_DATE = new Date(Date.UTC(1900, 0, 1));
const TYPE_INFO = Buffer.from([_datetimen.default.id, 0x04]);
const SmallDateTime = {
  id: 0x3A,
  type: 'DATETIM4',
  name: 'SmallDateTime',
  declaration: function () {
    return 'smalldatetime';
  },
  writeTypeInfo(buffer) {
    buffer.writeBuffer(TYPE_INFO);
  },
  writeValue(buffer, parameter, options) {
    const value = parameter.value;
    if (value == null) {
      buffer.writeUInt8(0x00);
      return;
    }
    let days, minutes;
    if (options.useUTC) {
      days = Math.floor((value.getTime() - UTC_EPOCH_DATE.getTime()) / (1000 * 60 * 60 * 24));
      minutes = value.getUTCHours() * 60 + value.getUTCMinutes();
    } else {
      const dstDiff = -(value.getTimezoneOffset() - EPOCH_DATE.getTimezoneOffset()) * 60 * 1000;
      days = Math.floor((value.getTime() - EPOCH_DATE.getTime() + dstDiff) / (1000 * 60 * 60 * 24));
      minutes = value.getHours() * 60 + value.getMinutes();
    }
    buffer.writeUInt8(0x04);
    buffer.writeUInt16LE(days);
    buffer.writeUInt16LE(minutes);
  },
  validate: function (value, collation, options) {
    if (value == null) {
      return null;
    }
    if (!(value instanceof Date)) {
      value = new Date(Date.parse(value));
    }
    value = value;
    let year, month, date;
    if (options && options.useUTC) {
      year = value.getUTCFullYear();
      month = value.getUTCMonth();
      date = value.getUTCDate();
    } else {
      year = value.getFullYear();
      month = value.getMonth();
      date = value.getDate();
    }
    if (year < 1900 || year > 2079) {
      throw new TypeError('Out of range.');
    }
    if (year === 2079) {
      // Month is 0-indexed, i.e. Jan = 0, Dec = 11
      // See: https://learn.microsoft.com/en-us/sql/t-sql/data-types/smalldatetime-transact-sql?view=sql-server-ver16
      if (month > 5 || month === 5 && date > 6) {
        throw new TypeError('Out of range.');
      }
    }
    if (isNaN(value)) {
      throw new TypeError('Invalid date.');
    }
    return value;
  }
};
var _default = exports.default = SmallDateTime;
module.exports = SmallDateTime;
//# 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QkEsTUFBTSxDQUFDQyxXQUFXLENBQUNYLFNBQVMsQ0FBQztFQUMvQixDQUFDO0VBRURZLFVBQVVBLENBQUNGLE1BQU0sRUFBRUcsU0FBUyxFQUFFQyxPQUFPLEVBQUU7SUFDckMsTUFBTUMsS0FBSyxHQUFHRixTQUFTLENBQUNFLEtBQW9CO0lBQzVDLElBQUlBLEtBQUssSUFBSSxJQUFJLEVBQUU7TUFDakJMLE1BQU0sQ0FBQ00sVUFBVSxDQUFDLElBQUksQ0FBQztNQUN2QjtJQUNGO0lBRUEsSUFBSUMsSUFBWSxFQUFFQyxPQUFlO0lBQ2pDLElBQUlKLE9BQU8sQ0FBQ0ssTUFBTSxFQUFFO01BQ2xCRixJQUFJLEdBQUdHLElBQUksQ0FBQ0MsS0FBSyxDQUFDLENBQUNOLEtBQUssQ0FBQ08sT0FBTyxDQUFDLENBQUMsR0FBR3hCLGNBQWMsQ0FBQ3dCLE9BQU8sQ0FBQyxDQUFDLEtBQUssSUFBSSxHQUFHLEVBQUUsR0FBRyxFQUFFLEdBQUcsRUFBRSxDQUFDLENBQUM7TUFDdkZKLE9BQU8sR0FBSUgsS0FBSyxDQUFDUSxXQUFXLENBQUMsQ0FBQyxHQUFHLEVBQUUsR0FBSVIsS0FBSyxDQUFDUyxhQUFhLENBQUMsQ0FBQztJQUM5RCxDQUFDLE1BQU07TUFDTCxNQUFNQyxPQUFPLEdBQUcsRUFBRVYsS0FBSyxDQUFDVyxpQkFBaUIsQ0FBQyxDQUFDLEdBQUc5QixVQUFVLENBQUM4QixpQkFBaUIsQ0FBQyxDQUFDLENBQUMsR0FBRyxFQUFFLEdBQUcsSUFBSTtNQUN6RlQsSUFBSSxHQUFHRyxJQUFJLENBQUNDLEtBQUssQ0FBQyxDQUFDTixLQUFLLENBQUNPLE9BQU8sQ0FBQyxDQUFDLEdBQUcxQixVQUFVLENBQUMwQixPQUFPLENBQUMsQ0FBQyxHQUFHRyxPQUFPLEtBQUssSUFBSSxHQUFHLEVBQUUsR0FBRyxFQUFFLEdBQUcsRUFBRSxDQUFDLENBQUM7TUFDN0ZQLE9BQU8sR0FBSUgsS0FBSyxDQUFDWSxRQUFRLENBQUMsQ0FBQyxHQUFHLEVBQUUsR0FBSVosS0FBSyxDQUFDYSxVQUFVLENBQUMsQ0FBQztJQUN4RDtJQUVBbEIsTUFBTSxDQUFDTSxVQUFVLENBQUMsSUFBSSxDQUFDO0lBQ3ZCTixNQUFNLENBQUNtQixhQUFhLENBQUNaLElBQUksQ0FBQztJQUMxQlAsTUFBTSxDQUFDbUIsYUFBYSxDQUFDWCxPQUFPLENBQUM7RUFDL0IsQ0FBQztFQUVEWSxRQUFRLEVBQUUsU0FBQUEsQ0FBU2YsS0FBSyxFQUFFZ0IsU0FBUyxFQUFFakIsT0FBTyxFQUFlO0lBQ3pELElBQUlDLEtBQUssSUFBSSxJQUFJLEVBQUU7TUFDakIsT0FBTyxJQUFJO0lBQ2I7SUFFQSxJQUFJLEVBQUVBLEtBQUssWUFBWWxCLElBQUksQ0FBQyxFQUFFO01BQzVCa0IsS0FBSyxHQUFHLElBQUlsQixJQUFJLENBQUNBLElBQUksQ0FBQ21DLEtBQUssQ0FBQ2pCLEtBQUssQ0FBQyxDQUFDO0lBQ3JDO0lBRUFBLEtBQUssR0FBR0EsS0FBYTtJQUVyQixJQUFJa0IsSUFBSSxFQUFFQyxLQUFLLEVBQUVDLElBQUk7SUFDckIsSUFBSXJCLE9BQU8sSUFBSUEsT0FBTyxDQUFDSyxNQUFNLEVBQUU7TUFDN0JjLElBQUksR0FBR2xCLEtBQUssQ0FBQ3FCLGNBQWMsQ0FBQyxDQUFDO01BQzdCRixLQUFLLEdBQUduQixLQUFLLENBQUNzQixXQUFXLENBQUMsQ0FBQztNQUMzQkYsSUFBSSxHQUFHcEIsS0FBSyxDQUFDdUIsVUFBVSxDQUFDLENBQUM7SUFDM0IsQ0FBQyxNQUFNO01BQ0xMLElBQUksR0FBR2xCLEtBQUssQ0FBQ3dCLFdBQVcsQ0FBQyxDQUFDO01BQzFCTCxLQUFLLEdBQUduQixLQUFLLENBQUN5QixRQUFRLENBQUMsQ0FBQztNQUN4QkwsSUFBSSxHQUFHcEIsS0FBSyxDQUFDMEIsT0FBTyxDQUFDLENBQUM7SUFDeEI7SUFFQSxJQUFJUixJQUFJLEdBQUcsSUFBSSxJQUFJQSxJQUFJLEdBQUcsSUFBSSxFQUFFO01BQzlCLE1BQU0sSUFBSVMsU0FBUyxDQUFDLGVBQWUsQ0FBQztJQUN0QztJQUVBLElBQUlULElBQUksS0FBSyxJQUFJLEVBQUU7TUFDakI7TUFDQTtNQUNBLElBQUlDLEtBQUssR0FBRyxDQUFDLElBQUtBLEtBQUssS0FBSyxDQUFDLElBQUlDLElBQUksR0FBRyxDQUFFLEVBQUU7UUFDMUMsTUFBTSxJQUFJTyxTQUFTLENBQUMsZUFBZSxDQUFDO01BQ3RDO0lBQ0Y7SUFFQSxJQUFJQyxLQUFLLENBQUM1QixLQUFLLENBQUMsRUFBRTtNQUNoQixNQUFNLElBQUkyQixTQUFTLENBQUMsZUFBZSxDQUFDO0lBQ3RDO0lBRUEsT0FBTzNCLEtBQUs7RUFDZDtBQUNGLENBQUM7QUFBQyxJQUFBNkIsUUFBQSxHQUFBQyxPQUFBLENBQUFsRCxPQUFBLEdBRWFVLGFBQWE7QUFDNUJ5QyxNQUFNLENBQUNELE9BQU8sR0FBR3hDLGFBQWEiLCJpZ25vcmVMaXN0IjpbXX0=