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null : matcher.createFilter()\n  }\n  return matcher.createFilter()\n}\n\n/** @internal */\nexport class AppFileWalker extends FileCopyHelper implements FileConsumer {\n  readonly matcherFilter: any\n  constructor(matcher: FileMatcher, packager: Packager) {\n    super(addAllPatternIfNeed(matcher), createAppFilter(matcher, packager), packager)\n    this.matcherFilter = matcher.createFilter()\n  }\n\n  // noinspection JSUnusedGlobalSymbols\n  // eslint-disable-next-line @typescript-eslint/no-unused-vars\n  consume(file: string, fileStat: Stats, parent: string, siblingNames: Array<string>): any {\n    if (fileStat.isDirectory()) {\n      const matchesFilter = this.matcherFilter(file, fileStat)\n      return !matchesFilter\n    } else {\n      // save memory - no need to store stat for directory\n      this.metadata.set(file, fileStat)\n    }\n\n    return this.handleFile(file, parent, fileStat)\n  }\n}\n"]}