Method #pollDirectory

lib/internal/vfs/watcher.js:154–175

* Polls directory children for changes, detecting new and deleted files.

()

   * Polls directory children for changes, detecting new and deleted files.
   */
  #pollDirectory() {
    // Rescan for new files
    if (this.#recursive) {
      this.#rescanRecursive(this.#path, '');
    } else {
      this.#rescanChildren(this.#path);
    }

    // Check tracked files for changes/deletions
    for (const { 0: filePath, 1: info } of this.#trackedFiles) {
      const newStats = this.#getStatsFor(filePath);
      if (newStats === null && info.stats !== null) {
        // File was deleted
        this.emit('change', 'rename', this.#encodeFilename(info.relativePath));
        this.#trackedFiles.delete(filePath);
      } else if (this.#statsChanged(info.stats, newStats)) {
        const eventType = this.#determineEventType(info.stats, newStats);
        this.emit('change', eventType, this.#encodeFilename(info.relativePath));
        info.stats = newStats;
      }
    }
  }

  /**
   * Rescans direct children for new entries.