Function getSupportedFileHint

packages/cli/src/utils/file-resolver.ts:202–213

* Get a helpful hint based on the file extension.

(ext: string)

 * Get a helpful hint based on the file extension.
 */
function getSupportedFileHint(ext: string): string {
  const hints: Record<string, string> = {
    '.ipynb':
      'Jupyter notebooks (.ipynb) are not directly supported.\nUse the @deepnote/convert package to convert to .deepnote format.',
    '.json': 'JSON files are not supported. Expected a .deepnote file.',
    '.yaml': 'YAML files are not directly supported. Expected a .deepnote file.',
    '.yml': 'YAML files are not directly supported. Expected a .deepnote file.',
    '.py': 'Python files are not supported. Expected a .deepnote file.',
  }

  return hints[ext] || 'Expected a .deepnote file.'
}