tedious/lib/data-types/binary.js

A TDS driver, for connecting to MS SQLServer databases.

"use strict";

Object.defineProperty(exports, "__esModule", {
  value: true
});
exports.default = void 0;
const NULL_LENGTH = Buffer.from([0xFF, 0xFF]);
const Binary = {
  id: 0xAD,
  type: 'BIGBinary',
  name: 'Binary',
  maximumLength: 8000,
  declaration: function (parameter) {
    const value = parameter.value;
    let length;
    if (parameter.length) {
      length = parameter.length;
    } else if (value != null) {
      length = value.length || 1;
    } else if (value === null && !parameter.output) {
      length = 1;
    } else {
      length = this.maximumLength;
    }
    return 'binary(' + length + ')';
  },
  resolveLength: function (parameter) {
    const value = parameter.value;
    if (value != null) {
      return value.length;
    } else {
      return this.maximumLength;
    }
  },
  writeTypeInfo(buffer, parameter) {
    buffer.writeUInt8(this.id);
    buffer.writeUInt16LE(parameter.length);
  },
  writeValue(buffer, parameter) {
    const value = parameter.value;
    if (value == null) {
      buffer.writeBuffer(NULL_LENGTH);
      return;
    }
    buffer.writeUInt16LE(parameter.length);
    buffer.writeBuffer(value.subarray(0, parameter.length !== undefined ? Math.min(parameter.length, Binary.maximumLength) : Binary.maximumLength));
  },
  validate: function (value) {
    if (value == null) {
      return null;
    }
    if (!Buffer.isBuffer(value)) {
      throw new TypeError('Invalid buffer.');
    }
    return value;
  }
};
var _default = exports.default = Binary;
module.exports = Binary;
//# sourceMappingURL=data:application/json;charset=utf-8;base64,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