Function convert

packages/convert/src/cli.ts:35–184

(options: ConvertOptions)

}

export async function convert(options: ConvertOptions): Promise<string> {
  const {
    inputPath,
    projectName: customProjectName,
    outputPath: customOutputPath,
    cwd = process.cwd(),
    outputFormat = 'jupyter',
    singleFile = false,
  } = options

  const resolveProjectName = (possibleName?: string): string => {
    if (customProjectName) {
      return customProjectName
    }

    if (possibleName) {
      return possibleName
    }

    return 'Untitled project'
  }

  const resolveOutputPath = async (outputFilename: string): Promise<string> => {
    if (customOutputPath) {
      const absoluteOutputPath = resolve(cwd, customOutputPath)
      const stat = await fs.stat(absoluteOutputPath).catch(() => null)

      if (stat?.isDirectory()) {
        return resolve(absoluteOutputPath, outputFilename)
      }

      return absoluteOutputPath
    }

    return resolve(cwd, outputFilename)
  }

  const absolutePath = resolve(cwd, inputPath)

  const stat = await fs.stat(absolutePath)

  if (stat.isDirectory()) {
    const entries = await fs.readdir(absolutePath, { withFileTypes: true })

    const ipynbFiles = entries
      .filter(entry => entry.isFile() && entry.name.toLowerCase().endsWith('.ipynb'))
      .map(entry => entry.name)
      .sort((a, b) => a.localeCompare(b))

    const quartoFiles = entries
      .filter(entry => entry.isFile() && entry.name.toLowerCase().endsWith('.qmd'))
      .map(entry => entry.name)
      .sort((a, b) => a.localeCompare(b))

    // For .py files, we need to check content to distinguish between percent and marimo formats
    const pyFiles = entries
      .filter(entry => entry.isFile() && entry.name.toLowerCase().endsWith('.py'))
      .map(entry => entry.name)