Function new has 32 lines of code (exceeds 25 allowed). Consider refactoring.

Open

  static new(logger: Logger, name: string, symbol: string, initialTotal = 0): ProgressBarCLI {
    if (!ProgressBarCLI.multiBar) {
      ProgressBarCLI.multiBar = new cliProgress.MultiBar(
        {
          stream: logger.getLogLevel() < LogLevel.NEVER ? logger.getStream() : new PassThrough(),

Function parseMameListxml has 32 lines of code (exceeds 25 allowed). Consider refactoring.

Open

  private async parseMameListxml(mameExecutable: File): Promise<DAT | undefined> {
    this.progressBar.logTrace(
      `${mameExecutable.toString()}: attempting to get ListXML from MAME executable`,
    );

Function fromFilePoly has 32 lines of code (exceeds 25 allowed). Consider refactoring.

Open

  static async fromFilePoly(patchFile: FilePoly): Promise<VcdiffHeader> {
    const header = await patchFile.readNext(3);
    if (!header.equals(VcdiffHeader.FILE_SIGNATURE)) {
      await patchFile.close();
      throw new ExpectedError(`Vcdiff patch header is invalid: ${patchFile.getPathLike()}`);

Function prefer has 32 lines of code (exceeds 25 allowed). Consider refactoring.

Open

  prefer(
    dat: DAT,
    parentsToCandidates: Map<Parent, ReleaseCandidate[]>,
  ): Map<Parent, ReleaseCandidate[]> {
    this.progressBar.logTrace(`${dat.getNameShort()}: preferring candidates`);

Function getOrComputeFileChecksums has 32 lines of code (exceeds 25 allowed). Consider refactoring.

Open

  async getOrComputeFileChecksums(filePath: string, checksumBitmask: number): Promise<File> {
    // NOTE(cemmer): we're explicitly not catching ENOENT errors here, we want it to bubble up
    const stats = await FsPoly.stat(filePath);
    const cacheKey = await this.getCacheKey(filePath, undefined, ValueType.FILE_CHECKSUMS);

Function filesFrom has a Cognitive Complexity of 11 (exceeds 5 allowed). Consider refactoring.

Open

  async filesFrom(
    filePath: string,
    fileChecksumBitmask: number = ChecksumBitmask.CRC32,
    archiveChecksumBitmask = fileChecksumBitmask,
  ): Promise<File[]> {

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Function getAllowedTypes has a Cognitive Complexity of 11 (exceeds 5 allowed). Consider refactoring.

Open

  private static getAllowedTypes(options: Options): ROMType[] {
    return [
      !options.getOnlyBios() && !options.getOnlyDevice() && !options.getOnlyRetail()
        ? ROMType.GAME
        : undefined,

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Function missingGames has 31 lines of code (exceeds 25 allowed). Consider refactoring.

Open

      .flatMap((game) => {
        let missingDependencies: string[] = [];

        // Validate dependent parent was found
        if (

Function toConsole has 31 lines of code (exceeds 25 allowed). Consider refactoring.

Open

  toConsole(options: Options): string {
    return `${DATStatus.getAllowedTypes(options)
      .filter((type) => this.allRomTypesToGames.get(type)?.length)
      .map((type) => {
        const found = this.foundRomTypesToReleaseCandidates.get(type) ?? [];

Function entriesFromArchiveExtension has 31 lines of code (exceeds 25 allowed). Consider refactoring.

Open

  private async entriesFromArchiveExtension(
    filePath: string,
    checksumBitmask: number,
    fileExt = filePath.replace(/.+?(?=(\.[a-zA-Z0-9]+)+)/, ''),
  ): Promise<ArchiveEntry<Archive>[] | undefined> {

Function decode has 30 lines of code (exceeds 25 allowed). Consider refactoring.

Open

  decode(
    copyAddressesData: Buffer,
    copyAddressesOffset: number,
    here: number,
    mode: number,

Function validateUniqueOutputPaths has 30 lines of code (exceeds 25 allowed). Consider refactoring.

Open

  private validateUniqueOutputPaths(
    dat: DAT,
    parentsToCandidates: Map<Parent, ReleaseCandidate[]>,
  ): ReleaseCandidate[] {
    const outputPathsToCandidates = [...parentsToCandidates.values()]

Function merge has 30 lines of code (exceeds 25 allowed). Consider refactoring.

Open

  merge(dat: DAT): DAT {
    // Don't do anything if no type provided
    if (this.options.getMergeRoms() === undefined) {
      this.progressBar.logTrace(
        `${dat.getNameShort()}: no ROM merge option provided, doing nothing`,

Function scanPaths has 30 lines of code (exceeds 25 allowed). Consider refactoring.

Open

  private static async scanPaths(
    globPatterns: string[],
    walkCallback?: FsWalkCallback,
    requireFiles = true,
  ): Promise<string[]> {

Function getArchiveEntries has 30 lines of code (exceeds 25 allowed). Consider refactoring.

Open

  async getArchiveEntries(checksumBitmask: number): Promise<ArchiveEntry<this>[]> {
    // https://github.com/ZJONSSON/node-unzipper/issues/280
    // UTF-8 entry names are not decoded correctly
    // But this is mitigated by `extractEntryToStream()` and therefore `extractEntryToFile()` both
    //  using `unzipper.Open.file()` as well, so mangled filenames here will still extract fine

Function globPath has 29 lines of code (exceeds 25 allowed). Consider refactoring.

Open

  private static async globPath(
    inputPath: string,
    walkCallback: FsWalkCallback,
  ): Promise<string[]> {
    // Windows will report that \\.\nul doesn't exist, catch it explicitly

Function getArchiveEntriesNotCached has 29 lines of code (exceeds 25 allowed). Consider refactoring.

Open

  private async getArchiveEntriesNotCached(checksumBitmask: number): Promise<ArchiveEntry<this>[]> {
    /**
     * WARN(cemmer): {@link _7z.list} seems to have issues with any amount of real concurrency,
     *  it will return no files but also no error. Try to prevent that behavior.
     */

Function hash has 28 lines of code (exceeds 25 allowed). Consider refactoring.

Open

  async hash(
    dat: DAT,
    parentsToCandidates: Map<Parent, ReleaseCandidate[]>,
  ): Promise<Map<Parent, ReleaseCandidate[]>> {
    if (parentsToCandidates.size === 0) {

Function downloadDats has 28 lines of code (exceeds 25 allowed). Consider refactoring.

Open

  private async downloadDats(datFiles: File[]): Promise<File[]> {
    if (!datFiles.some((datFile) => datFile.isURL())) {
      return datFiles;
    }

Function hashedReleaseCandidates has 28 lines of code (exceeds 25 allowed). Consider refactoring.

Open

              releaseCandidates.map(async (releaseCandidate) => {
                const hashedRomsWithFiles = await Promise.all(
                  releaseCandidate.getRomsWithFiles().map(async (romWithFiles) => {
                    const correctedRom = await this.buildCorrectedRom(
                      dat,