Function useDiffInIDE

src/hooks/useDiffInIDE.ts:46–164

({
  onChange,
  toolUseContext,
  filePath,
  edits,
  editMode,
}: Props)

}

export function useDiffInIDE({
  onChange,
  toolUseContext,
  filePath,
  edits,
  editMode,
}: Props): {
  closeTabInIDE: () => void
  showingDiffInIDE: boolean
  ideName: string
  hasError: boolean
} {
  const isUnmounted = useRef(false)
  const [hasError, setHasError] = useState(false)

  const sha = useMemo(() => randomUUID().slice(0, 6), [])
  const tabName = useMemo(
    () => `✻ [Claude Code] ${basename(filePath)} (${sha}) ⧉`,
    [filePath, sha],
  )

  const shouldShowDiffInIDE =
    hasAccessToIDEExtensionDiffFeature(toolUseContext.options.mcpClients) &&
    getGlobalConfig().diffTool === 'auto' &&
    // Diffs should only be for file edits.
    // File writes may come through here but are not supported for diffs.
    !filePath.endsWith('.ipynb')

  const ideName =
    getConnectedIdeName(toolUseContext.options.mcpClients) ?? 'IDE'

  async function showDiff(): Promise<void> {
    if (!shouldShowDiffInIDE) {
      return
    }

    try {
      logEvent('tengu_ext_will_show_diff', {})

      const { oldContent, newContent } = await showDiffInIDE(
        filePath,
        edits,
        toolUseContext,
        tabName,
      )
      // Skip if component has been unmounted
      if (isUnmounted.current) {
        return
      }

      logEvent('tengu_ext_diff_accepted', {})

      const newEdits = computeEditsFromContents(
        filePath,
        oldContent,
        newContent,
        editMode,
      )