cloudfunctions/ClearingRedundantFolders/node_modules/bson/src/binary.ts

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import { Buffer } from 'buffer';
import { ensureBuffer } from './ensure_buffer';
import { uuidHexStringToBuffer } from './uuid_utils';
import { UUID, UUIDExtended } from './uuid';
import type { EJSONOptions } from './extended_json';
import { BSONError, BSONTypeError } from './error';

/** @public */
export type BinarySequence = Uint8Array | Buffer | number[];

/** @public */
export interface BinaryExtendedLegacy {
  $type: string;
  $binary: string;
}

/** @public */
export interface BinaryExtended {
  $binary: {
    subType: string;
    base64: string;
  };
}

/**
 * A class representation of the BSON Binary type.
 * @public
 */
export class Binary {
  _bsontype!: 'Binary';

  /**
   * Binary default subtype
   * @internal
   */
  private static readonly BSON_BINARY_SUBTYPE_DEFAULT = 0;

  /** Initial buffer default size */
  static readonly BUFFER_SIZE = 256;
  /** Default BSON type */
  static readonly SUBTYPE_DEFAULT = 0;
  /** Function BSON type */
  static readonly SUBTYPE_FUNCTION = 1;
  /** Byte Array BSON type */
  static readonly SUBTYPE_BYTE_ARRAY = 2;
  /** Deprecated UUID BSON type @deprecated Please use SUBTYPE_UUID */
  static readonly SUBTYPE_UUID_OLD = 3;
  /** UUID BSON type */
  static readonly SUBTYPE_UUID = 4;
  /** MD5 BSON type */
  static readonly SUBTYPE_MD5 = 5;
  /** Encrypted BSON type */
  static readonly SUBTYPE_ENCRYPTED = 6;
  /** Column BSON type */
  static readonly SUBTYPE_COLUMN = 7;
  /** User BSON type */
  static readonly SUBTYPE_USER_DEFINED = 128;

  buffer!: Buffer;
  sub_type!: number;