igir/dist/src/globals/defaults.js

🕹 A zero-setup ROM collection manager that sorts, filters, extracts or archives, patches, and reports on collections of any size on any OS.

class Defaults {
  /**
   * A reasonable max of filesystem threads for operations such as:
   * @example
   * Promise.all([].map(async (file) => fs.lstat(file));
   */
  static MAX_FS_THREADS = 100;
  /**
   * Default number of DATs to process at once.
   */
  static DAT_DEFAULT_THREADS = 2;
  /**
   * A reasonable max number of files to write at once.
   */
  static FILE_READER_DEFAULT_THREADS = 6;
  /**
   * Max number of archive entries to process (possibly extract & MD5/SHA1/SHA256 checksum) at once.
   */
  static ARCHIVE_ENTRY_SCANNER_THREADS_PER_ARCHIVE = this.FILE_READER_DEFAULT_THREADS / 2;
  /**
   * A reasonable max number of ROM release candidates to write at once. This will be the limiting
   * factor for consoles with many small ROMs.
   */
  static ROM_WRITER_DEFAULT_THREADS = this.FILE_READER_DEFAULT_THREADS / 2;
  /**
   * The number of additional retry attempts to write a file if the write or test fails.
   */
  static ROM_WRITER_ADDITIONAL_RETRIES = 2;
  /**
   * Max number of files to recycle/delete at once.
   */
  static OUTPUT_CLEANER_BATCH_SIZE = 100;
  /**
   * Max {@link fs} highWaterMark chunk size to read and write at a time.
   */
  static FILE_READING_CHUNK_SIZE = 64 * 1024;
  // 64KiB, Node.js v22 default
  /**
   * Max size of file contents to store in memory vs. temp files.
   */
  static MAX_MEMORY_FILE_SIZE = 64 * 1024 * 1024;
  // 64MiB
}
export {
  Defaults as default
};
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