Function editPromptInEditor

src/utils/promptEditor.ts:138–188

(
  currentPrompt: string,
  pastedContents?: Record<number, PastedContent>,
)

// sync IO: called from sync context (React components, sync command handlers)
export function editPromptInEditor(
  currentPrompt: string,
  pastedContents?: Record<number, PastedContent>,
): EditorResult {
  const fs = getFsImplementation()
  const tempFile = generateTempFilePath()

  try {
    // Expand any pasted text references before editing
    const expandedPrompt = pastedContents
      ? expandPastedTextRefs(currentPrompt, pastedContents)
      : currentPrompt

    // Write expanded prompt to temp file
    writeFileSync_DEPRECATED(tempFile, expandedPrompt, {
      encoding: 'utf-8',
      flush: true,
    })

    // Delegate to editFileInEditor
    const result = editFileInEditor(tempFile)

    if (result.content === null) {
      return result
    }

    // Trim a single trailing newline if present (common editor behavior)
    let finalContent = result.content
    if (finalContent.endsWith('\n') && !finalContent.endsWith('\n\n')) {
      finalContent = finalContent.slice(0, -1)
    }

    // Re-collapse pasted content if it wasn't edited
    if (pastedContents) {
      finalContent = recollapsePastedContent(
        finalContent,
        currentPrompt,
        pastedContents,
      )
    }

    return { content: finalContent }
  } finally {
    // Clean up temp file
    try {
      fs.unlinkSync(tempFile)
    } catch {
      // Ignore cleanup errors
    }
  }
}