Function deleteFolder

apps/desktop/src/main/vault.ts:3446–3464

(
  root: string,
  topFolder: NoteFolder,
  subpath: string
)

 * top-level `inbox`/`archive`/`trash` folders themselves.
 */
export async function deleteFolder(
  root: string,
  topFolder: NoteFolder,
  subpath: string
): Promise<void> {
  const clean = subpath.replace(/^\/+|\/+$/g, '')
  if (!clean) throw new Error('Cannot delete the top-level folder')
  const abs = resolveSafe(await folderRoot(root, topFolder), clean)
  await fs.rm(abs, { recursive: true, force: true })
  const settings = await getVaultSettings(root)
  const nextSettings: VaultSettings = {
    ...settings,
    folderIcons: removeFolderIcons(settings.folderIcons, topFolder, clean),
    folderColors: removeFolderColors(settings.folderColors, topFolder, clean)
  }
  await setVaultSettings(root, nextSettings)
  invalidateNoteMetaCache(root)
  invalidateVaultTextSearchCache(root)
}

/**
 * Duplicate a subfolder (recursively, with all its contents) next to