Function outputDagVars

packages/cli/src/commands/dag.ts:354–406

(
  dag: BlockDependencyDag,
  _blocks: DeepnoteBlock[],
  blockMap: BlockMap,
  options: DagOptions
)

}

function outputDagVars(
  dag: BlockDependencyDag,
  _blocks: DeepnoteBlock[],
  blockMap: BlockMap,
  options: DagOptions
): void {
  if (options.output === 'json') {
    outputJson({
      blocks: dag.nodes.map(node => ({
        id: node.id,
        label: blockMap.get(node.id)?.label ?? node.id,
        type: blockMap.get(node.id)?.type ?? 'unknown',
        notebook: blockMap.get(node.id)?.notebookName ?? 'unknown',
        defines: node.outputVariables,
        uses: node.inputVariables,
        imports: node.importedModules,
        error: node.error,
      })),
    })
    return
  }

  const c = getChalk()

  // Text output
  output(`${c.bold('Variables by Block')} ${c.dim(`(${dag.nodes.length} blocks)`)}`)
  output('')

  for (const node of dag.nodes) {
    const info = blockMap.get(node.id)
    const label = info?.label ?? node.id

    output(`${c.cyan(label)} ${c.dim(`(${info?.type ?? 'unknown'})`)}`)

    if (node.error) {
      output(`  ${c.red('Error:')} ${node.error.message}`)
    } else {
      if (node.outputVariables.length > 0) {
        output(`  ${c.green('Defines:')} ${node.outputVariables.join(', ')}`)
      }
      if (node.inputVariables.length > 0) {
        output(`  ${c.yellow('Uses:')} ${node.inputVariables.join(', ')}`)
      }
      if (node.importedModules.length > 0) {
        output(`  ${c.blue('Imports:')} ${node.importedModules.join(', ')}`)
      }
      if (node.outputVariables.length === 0 && node.inputVariables.length === 0 && node.importedModules.length === 0) {
        output(c.dim('  (no variables)'))
      }
    }
    output('')
  }
}

function outputDagDownstream(
  dag: BlockDependencyDag,