tedious/lib/data-types/bigint.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"));
var _writableTrackingBuffer = _interopRequireDefault(require("../tracking-buffer/writable-tracking-buffer"));
function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
const DATA_LENGTH = Buffer.from([0x08]);
const NULL_LENGTH = Buffer.from([0x00]);
const MAX_SAFE_BIGINT = 9223372036854775807n;
const MIN_SAFE_BIGINT = -9223372036854775808n;
const BigInt = {
  id: 0x7F,
  type: 'INT8',
  name: 'BigInt',
  declaration: function () {
    return 'bigint';
  },
  generateTypeInfo() {
    return Buffer.from([_intn.default.id, 0x08]);
  },
  generateParameterLength(parameter, options) {
    if (parameter.value == null) {
      return NULL_LENGTH;
    }
    return DATA_LENGTH;
  },
  *generateParameterData(parameter, options) {
    if (parameter.value == null) {
      return;
    }
    const buffer = new _writableTrackingBuffer.default(8);
    buffer.writeBigInt64LE(typeof parameter.value === 'bigint' ? parameter.value : globalThis.BigInt(parameter.value));
    yield buffer.data;
  },
  validate: function (value) {
    if (value == null) {
      return null;
    }
    if (typeof value !== 'bigint') {
      value = globalThis.BigInt(value);
    }
    if (value < MIN_SAFE_BIGINT || value > MAX_SAFE_BIGINT) {
      throw new TypeError(`Value must be between ${MIN_SAFE_BIGINT} and ${MAX_SAFE_BIGINT}, inclusive.`);
    }
    return value;
  }
};
var _default = exports.default = BigInt;
module.exports = BigInt;
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