Method #cleanLogs

deps/npm/lib/utils/log-file.js:181–244

()

  }

  async #cleanLogs () {
    // module to clean out the old log files this is a best-effort attempt.
    // if a rm fails, we just log a message about it and move on.
    // We do return a Promise that succeeds when we've tried to delete everything, just for the benefit of testing this function properly.

    try {
      const logPath = this.#getLogFilePath()
      const patternFileName = basename(logPath)
        // tell glob to only match digits
        .replace(/\d/g, 'd')
        // Handle the old (prior to 8.2.0) log file names which did not have a counter suffix
        .replace('-.log', '')

      let files = await fs.readdir(
        dirname(logPath), {
          withFileTypes: true,
          encoding: 'utf-8',
        })
      files = files.sort((a, b) => basename(a.name).localeCompare(basename(b.name), 'en'))

      const logFiles = []

      for (const file of files) {
        if (!file.isFile()) {
          continue
        }

        const genericFileName = file.name.replace(/\d/g, 'd')
        const filePath = join(dirname(logPath), basename(file.name))

        // Always ignore the currently written files
        if (
          genericFileName.includes(patternFileName)
          && genericFileName.endsWith('.log')
          && !this.#files.includes(filePath)
        ) {
          logFiles.push(filePath)
        }
      }

      const toDelete = logFiles.length - this.#logsMax

      if (toDelete <= 0) {
        return
      }

      log.silly('logfile', `start cleaning logs, removing ${toDelete} files`)

      for (const file of logFiles.slice(0, toDelete)) {
        try {
          await fs.rm(file, { force: true })
        } catch (e) {
          log.silly('logfile', 'error removing log file', file, e)
        }
      }
    } catch (e) {
      // Disable cleanup failure warnings when log writing is disabled
      if (this.#logsMax > 0) {