Function parseCliArgs

src/scripts/export-events.ts:127–183

(args: string[])

}

export const parseCliArgs = (args: string[]): ExportCliOptions => {
  let compress = false
  let format: CompressionFormat | undefined
  let outputFilePath: string | undefined

  if (args.includes('--help') || args.includes('-h')) {
    return {
      compress,
      format,
      outputFilePath: DEFAULT_OUTPUT_FILE_PATH,
      showHelp: true,
    }
  }

  for (let index = 0; index < args.length; index++) {
    const arg = args[index]

    if (arg === '--compress' || arg === '-z') {
      compress = true
      continue
    }

    if (arg === '--format' || arg.startsWith('--format=')) {
      const [rawFormat, nextIndex] = getOptionValue('--format', args, index)
      format = parseCompressionFormat(rawFormat)
      index = nextIndex
      continue
    }

    if (arg.startsWith('-')) {
      throw new Error(`Unknown option: ${arg}`)
    }

    if (outputFilePath) {
      throw new Error(`Unexpected extra argument: ${arg}`)
    }

    outputFilePath = arg
  }

  if (!compress && format) {
    throw new Error('--format requires --compress')
  }

  outputFilePath = outputFilePath ?? DEFAULT_OUTPUT_FILE_PATH

  if (compress && !format) {
    format = getCompressionFormatFromExtension(outputFilePath) ?? CompressionFormat.GZIP
  }

  return {
    compress,
    format,
    outputFilePath,
    showHelp: false,
  }
}