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{ensureDir, mkdtemp, realpath, remove, removeSync, unlink, unlinkSync} from \"fs-extra\"\nimport {tmpdir} from \"os\"\nimport * as path from \"path\"\n\nlet tmpFileCounter = 0\nconst tmpDirManagers = new Set<TmpDir>()\n\n// add date to avoid use stale temp dir\nconst tempDirPrefix = `${process.pid.toString(36)}-${Date.now().toString(36)}`\n\nexport function getTempName(prefix?: string | null | undefined): string {\n  return `${prefix == null ? \"\" : `${prefix}-`}${tempDirPrefix}-${(tmpFileCounter++).toString(36)}`\n}\n\nlet tempDirPromise: Promise<string> | null\nlet tempBaseDir: string | null\n\nfunction getBaseTempDir(): Promise<string> {\n  if (tempDirPromise != null) {\n    return tempDirPromise\n  }\n\n  if (tempBaseDir != null) {\n    return Promise.resolve(tempBaseDir)\n  }\n\n  const systemTmpDir = process.env.APP_BUILDER_TMP_DIR || tmpdir()\n  const isEnsureRemovedOnExit = process.env.TMP_DIR_MANAGER_ENSURE_REMOVED_ON_EXIT !== \"false\"\n  tempDirPromise = mkdtemp(path.join(systemTmpDir, \"t-\"))\n    .then(it => realpath(it))\n    .then(dir => {\n      if (isEnsureRemovedOnExit) {\n        addExitHook(dir)\n      }\n      tempBaseDir = dir\n      return dir\n    })\n  return tempDirPromise\n}\n\nfunction addExitHook(dir: string) {\n  require(\"async-exit-hook\")((callback: (() => void) | null) => {\n    const managers = Array.from(tmpDirManagers)\n    tmpDirManagers.clear()\n\n    if (callback == null) {\n      for (const manager of managers) {\n        manager.cleanupSync()\n      }\n\n      try {\n        removeSync(dir)\n      }\n      catch (e) {\n        handleError(e, dir)\n      }\n      return\n    }\n\n    Promise.all(managers.map(it => it.cleanup()))\n      .then(() => remove(dir))\n      .then(() => callback())\n      .catch(e => {\n        try {\n          handleError(e, dir)\n        }\n        finally {\n          callback()\n        }\n      })\n  })\n}\n\nfunction handleError(e: any, file: string) {\n  if (e.code !== \"EPERM\" && e.code !== \"ENOENT\") {\n    // use only console.* instead of our warn on exit (otherwise nodeEmoji can be required on request)\n    console.warn(`Cannot delete temporary \"${file}\": ${(e.stack || e).toString()}`)\n  }\n}\n\ninterface TempFileInfo {\n  isDir: boolean\n  path: string\n  disposer?: ((file: string) => Promise<void>) | null\n}\n\nexport interface GetTempFileOptions {\n  prefix?: string | null\n  suffix?: string | null\n\n  disposer?: ((file: string) => Promise<void>) | null\n}\n\nexport class TmpDir {\n  private tempFiles: Array<TempFileInfo> = []\n  private registered = false\n\n  constructor(private readonly debugName: string = \"\") {\n  }\n\n  // noinspection JSMethodCanBeStatic,JSUnusedGlobalSymbols\n  get rootTempDir(): Promise<string> {\n    return getBaseTempDir()\n  }\n\n  getTempDir(options?: GetTempFileOptions): Promise<string> {\n    return this.getTempFile(options, true)\n  }\n\n  createTempDir(options?: GetTempFileOptions): Promise<string> {\n    return this.getTempFile(options, true)\n      .then(it => ensureDir(it).then(() => it))\n  }\n\n  getTempFile(options?: GetTempFileOptions, isDir = false): Promise<string> {\n    return getBaseTempDir()\n      .then(baseTempDir => {\n        if (!this.registered) {\n          this.registered = true\n          tmpDirManagers.add(this)\n        }\n\n        const prefix = nullize(options == null ? null : options.prefix)\n        const suffix = nullize(options == null ? null : options.suffix)\n        const namePrefix = prefix == null ? \"\" : `${prefix}-`\n        const nameSuffix = suffix == null ? \"\" : (suffix.startsWith(\".\") ? suffix : `-${suffix}`)\n        const result = `${baseTempDir}${path.sep}${namePrefix}${(tmpFileCounter++).toString(36)}${nameSuffix}`\n        this.tempFiles.push({\n          path: result,\n          isDir,\n          disposer: options == null ? null : options.disposer,\n        })\n        return result\n      })\n  }\n\n  cleanupSync() {\n    const tempFiles = this.tempFiles\n    tmpDirManagers.delete(this)\n    this.registered = false\n    if (tempFiles.length === 0) {\n      return\n    }\n\n    this.tempFiles = []\n\n    for (const file of tempFiles) {\n      if (file.disposer != null) {\n        // noinspection JSIgnoredPromiseFromCall\n        file.disposer(file.path)\n        continue\n      }\n\n      try {\n        if (file.isDir) {\n          removeSync(file.path)\n        }\n        else {\n          unlinkSync(file.path)\n        }\n      }\n      catch (e) {\n        handleError(e, file.path)\n      }\n    }\n  }\n\n  cleanup(): Promise<any> {\n    const tempFiles = this.tempFiles\n    tmpDirManagers.delete(this)\n\n    this.registered = false\n    if (tempFiles.length === 0) {\n      return Promise.resolve()\n    }\n    this.tempFiles = []\n\n    if (tmpDirManagers.size === 0) {\n      const dir = tempBaseDir\n      if (dir == null) {\n        return Promise.resolve()\n      }\n\n      tempBaseDir = null\n      tempDirPromise = null\n      return remove(dir)\n    }\n\n    return Promise.all(tempFiles.map(it => {\n      if (it.disposer != null) {\n        return it.disposer(it.path)\n      }\n\n      return (it.isDir ? remove(it.path) : unlink(it.path))\n        .catch(e => {\n          handleError(e, it.path)\n        })\n    }))\n  }\n\n  toString() {\n    return this.debugName\n  }\n}\n\nfunction nullize(s?: string | null) {\n  return s == null || s.length === 0 ? null : s\n}"],"sourceRoot":""}