Function scanCommandLevel

packages/effect/src/unstable/cli/internal/parser.ts:924–944

(
  tokens: ReadonlyArray<Token>,
  context: CommandContext
)

 * Returns LeafResult if no subcommand detected, SubcommandResult otherwise.
 */
const scanCommandLevel = (
  tokens: ReadonlyArray<Token>,
  context: CommandContext
): LevelResult => {
  const cursor = makeCursor(tokens)
  const state = createParseState(context.flagRegistry)

  for (let token = cursor.take(); token; token = cursor.take()) {
    if (isFlagToken(token)) {
      processFlag(token, cursor, context, state)
      continue
    }

    if (token._tag === "Value") {
      const subResult = processValue(token.value, cursor, context, state)
      if (subResult) return subResult
    }
  }

  return toLeafResult(state)
}