Function parseRunnableFileContent

packages/convert/src/load-runnable-file.ts:73–195

(content: string, absolutePath: string)

 * @throws LoadRunnableFileError for unsupported extensions and parse/format failures
 */
export function parseRunnableFileContent(content: string, absolutePath: string): LoadedRunnableFile {
  const ext = path.extname(absolutePath).toLowerCase()

  if (!isRunnableExtension(ext)) {
    throw unsupportedExtensionError(ext)
  }

  const filename = path.basename(absolutePath)
  const projectName = path.basename(absolutePath, ext)

  if (ext === '.deepnote') {
    let file: DeepnoteFile
    try {
      file = deserializeDeepnoteFile(content)
    } catch (parseError) {
      const message = parseError instanceof Error ? parseError.message : String(parseError)
      throw new LoadRunnableFileError(`Failed to parse .deepnote file: ${absolutePath}\n\n` + `Parse error: ${message}`)
    }

    return {
      file,
      originalPath: absolutePath,
      format: 'deepnote',
      wasConverted: false,
    }
  }

  if (ext === '.ipynb') {
    let notebook: JupyterNotebook
    try {
      notebook = JSON.parse(content) as JupyterNotebook
    } catch (parseError) {
      const message = parseError instanceof Error ? parseError.message : String(parseError)
      throw new LoadRunnableFileError(
        `Invalid Jupyter notebook: ${absolutePath}\n\n` + `The file is not valid JSON. Parse error: ${message}`
      )
    }

    const file = convertJupyterNotebookToDeepnote({ filename, notebook }, { projectName })
    return {
      file,
      originalPath: absolutePath,
      format: 'jupyter',
      wasConverted: true,
    }
  }

  if (ext === '.qmd') {
    let document: ReturnType<typeof parseQuartoFormat>
    try {
      document = parseQuartoFormat(content)
    } catch (parseError) {
      const message = parseError instanceof Error ? parseError.message : String(parseError)
      throw new LoadRunnableFileError(
        `Failed to parse Quarto document: ${absolutePath}\n\n` + `Parse error: ${message}`
      )
    }
    const file = convertQuartoDocumentToDeepnote({ filename, document }, { projectName })