| /** | |
| * The parsed command line, as this shell names it. | |
| * | |
| * `@yarnpkg/parsers` re-exports only part of its grammar's type map from the | |
| * package root, and its `exports` field forbids reaching the grammar module | |
| * directly, so the three missing members are derived from the ones it does | |
| * publish. `CommandChain` is `Command` plus an optional pipeline link, which | |
| * makes it usable wherever a command node is expected. | |
| * @module @deepseek-ai/dsh-experimental-webworker-runtime/src/shell/ast | |
| */ | |
| import type { Argument, CommandChain } from '@yarnpkg/parsers' | |
| export type { ArgumentSegment, ArithmeticExpression, CommandChain, CommandLine, ShellLine } from '@yarnpkg/parsers' | |
| /** One command node: a program call, a subshell, a group, or bare assignments. */ | |
| export type Command = CommandChain | |
| /** An argument that becomes argv fields. */ | |
| export type ValueArgument = Extract<Argument, { type: 'argument' }> | |
| /** An argument that rewires a descriptor instead of becoming argv. */ | |
| export type RedirectArgument = Extract<Argument, { type: 'redirection' }> | |