Function suggestSimilarFiles

packages/cli/src/utils/file-resolver.ts:165–197

* Suggest similar files if the specified file doesn't exist.

(path: string)

 * Suggest similar files if the specified file doesn't exist.
 */
async function suggestSimilarFiles(path: string): Promise<string> {
  try {
    const dir = dirname(path) || '.'
    const filename = basename(path)
    const resolvedDir = resolve(process.cwd(), dir)

    const files = await readdir(resolvedDir)
    const deepnoteFiles = files.filter(f => f.toLowerCase().endsWith('.deepnote'))

    if (deepnoteFiles.length === 0) {
      return '\n\nNo .deepnote files found in this directory.'
    }

    // Find similar filenames
    const similar = deepnoteFiles
      .filter(f => {
        const baseName = basename(filename, extname(filename))
        return f.toLowerCase().includes(baseName.toLowerCase())
      })
      .slice(0, 3)

    if (similar.length > 0) {
      return `\n\nDid you mean?\n${similar.map(f => `  - ${f}`).join('\n')}`
    }

    // Show available files
    const available = deepnoteFiles.slice(0, 5)
    const more = deepnoteFiles.length > 5 ? `\n  ... and ${deepnoteFiles.length - 5} more` : ''
    return `\n\nAvailable .deepnote files:\n${available.map(f => `  - ${f}`).join('\n')}${more}`
  } catch {
    return ''
  }
}

/**
 * Get a helpful hint based on the file extension.