Function getCommandPrefixStatic

src/utils/powershell/staticPrefix.ts:166–186

(
  command: string,
)

 * invocation, path-like name, bare subcommand-aware command).
 */
export async function getCommandPrefixStatic(
  command: string,
): Promise<{ commandPrefix: string | null } | null> {
  const parsed = await parsePowerShellCommand(command)
  if (!parsed.valid) {
    return null
  }

  // Find the first actual command (CommandAst). getAllCommands iterates
  // both statement.commands and statement.nestedCommands (for &&/||/if/for).
  // Skip synthetic CommandExpressionAst entries (expression pipeline sources,
  // non-PipelineAst statement placeholders).
  const firstCommand = getAllCommands(parsed).find(
    cmd => cmd.elementType === 'CommandAst',
  )
  if (!firstCommand) {
    return { commandPrefix: null }
  }

  return { commandPrefix: await extractPrefixFromElement(firstCommand) }
}

/**
 * Extract prefixes for all subcommands in a compound PowerShell command.