{
  "version": 3,
  "sources": ["../../../../../src/packages/package-store/storeController/prune.ts"],
  "sourcesContent": ["import { type Dirent, promises as fs } from 'node:fs';\nimport util from 'node:util';\nimport path from 'node:path';\nimport type { PackageFilesIndex } from '../../store.cafs/index.ts';\nimport { globalInfo, globalWarn } from '../../logger/index.ts';\nimport rimraf from '@zkochan/rimraf';\nimport { loadJsonFile } from 'load-json-file';\nimport ssri from 'ssri';\n\nconst BIG_ONE = BigInt(1) as unknown;\n\nexport type PruneOptions = {\n  cacheDir: string;\n  storeDir: string;\n};\n\nexport async function prune(\n  { cacheDir, storeDir }: PruneOptions,\n  removeAlienFiles?: boolean | undefined\n): Promise<void> {\n  const cafsDir = path.join(storeDir, 'files');\n\n  const metadataDirs = await getSubdirsSafely(cacheDir);\n\n  await Promise.all(\n    metadataDirs.map(async (metadataDir: string): Promise<void> => {\n      if (!metadataDir.startsWith('metadata')) {\n        return;\n      }\n\n      try {\n        await rimraf(path.join(cacheDir, metadataDir));\n      } catch (err: unknown) {\n        if (\n          !(\n            util.types.isNativeError(err) &&\n            'code' in err &&\n            err.code === 'ENOENT'\n          )\n        ) {\n          throw err;\n        }\n      }\n    })\n  );\n\n  await rimraf(path.join(storeDir, 'tmp'));\n\n  globalInfo('Removed all cached metadata files');\n\n  const pkgIndexFiles: string[] = [];\n\n  const indexDir = path.join(storeDir, 'index');\n\n  await Promise.all(\n    (await getSubdirsSafely(indexDir)).map(\n      async (dir: string): Promise<void> => {\n        const subdir = path.join(indexDir, dir);\n\n        await Promise.all(\n          (await fs.readdir(subdir)).map(async (fileName) => {\n            const filePath = path.join(subdir, fileName);\n\n            if (fileName.endsWith('.json')) {\n              pkgIndexFiles.push(filePath);\n            }\n          })\n        );\n      }\n    )\n  );\n\n  const removedHashes = new Set<string>();\n\n  const dirs = await getSubdirsSafely(cafsDir);\n\n  let fileCounter = 0;\n\n  await Promise.all(\n    dirs.map(async (dir: string): Promise<void> => {\n      const subdir = path.join(cafsDir, dir);\n\n      await Promise.all(\n        (await fs.readdir(subdir)).map(\n          async (fileName: string): Promise<void> => {\n            const filePath = path.join(subdir, fileName);\n\n            if (fileName.endsWith('.json')) {\n              pkgIndexFiles.push(filePath);\n              return;\n            }\n\n            const stat = await fs.stat(filePath);\n\n            if (stat.isDirectory()) {\n              if (removeAlienFiles === true) {\n                await rimraf(filePath);\n\n                globalWarn(\n                  `An alien directory has been removed from the store: ${filePath}`\n                );\n\n                fileCounter++;\n\n                return;\n              }\n\n              globalWarn(\n                `An alien directory is present in the store: ${filePath}`\n              );\n\n              return;\n            }\n\n            if (stat.nlink === 1 || stat.nlink === BIG_ONE) {\n              await fs.unlink(filePath);\n\n              fileCounter++;\n\n              removedHashes.add(\n                ssri.fromHex(`${dir}${fileName}`, 'sha512').toString()\n              );\n            }\n          }\n        )\n      );\n    })\n  );\n\n  globalInfo(`Removed ${fileCounter} file${fileCounter === 1 ? '' : 's'}`);\n\n  let pkgCounter = 0;\n\n  await Promise.all(\n    pkgIndexFiles.map(async (pkgIndexFilePath: string): Promise<void> => {\n      const { files: pkgFilesIndex } =\n        await loadJsonFile<PackageFilesIndex>(pkgIndexFilePath);\n\n      const integrity = pkgFilesIndex['package.json']?.integrity;\n\n      if (\n        typeof integrity === 'string' &&\n        removedHashes.has(integrity) === true\n      ) {\n        await fs.unlink(pkgIndexFilePath);\n\n        pkgCounter++;\n      }\n    })\n  );\n\n  globalInfo(`Removed ${pkgCounter} package${pkgCounter === 1 ? '' : 's'}`);\n}\n\nasync function getSubdirsSafely(dir: string): Promise<string[]> {\n  let entries: Dirent[];\n\n  try {\n    entries = (await fs.readdir(dir, { withFileTypes: true })) as Dirent[];\n  } catch (err: unknown) {\n    if (\n      util.types.isNativeError(err) &&\n      'code' in err &&\n      err.code === 'ENOENT'\n    ) {\n      return [];\n    }\n    throw err;\n  }\n\n  return entries\n    .filter((entry: Dirent): boolean => {\n      return entry.isDirectory();\n    })\n    .map((dir: Dirent): string => {\n      return dir.name;\n    });\n}\n"],
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