Method _joinDirectoryName

src/Formidable.js:598–607

(name)

  }

  _joinDirectoryName(name) {
    const newPath = path.join(this.uploadDir, name);

    // prevent directory traversal attacks
    if (!newPath.startsWith(this.uploadDir)) {
      return path.join(this.uploadDir, this.options.defaultInvalidName);
    }

    return newPath;
  }

  _setUpRename() {
    const hasRename = typeof this.options.filename === 'function';