forked from extern/nushell
63 lines
1.7 KiB
Rust
63 lines
1.7 KiB
Rust
use nu_engine::get_full_help;
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use nu_protocol::{
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ast::Call,
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engine::{Command, EngineState, Stack},
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Category, Example, IntoPipelineData, PipelineData, Signature, Span, Value,
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};
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#[derive(Clone)]
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pub struct ExportCommand;
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impl Command for ExportCommand {
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fn name(&self) -> &str {
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"export"
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}
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fn signature(&self) -> Signature {
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Signature::build("export").category(Category::Core)
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}
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fn usage(&self) -> &str {
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"Export custom commands or environment variables from a module."
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}
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fn extra_usage(&self) -> &str {
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r#"This command is a parser keyword. For details, check
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https://www.nushell.sh/book/thinking_in_nushell.html#parsing-and-evaluation-are-different-stages"#
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}
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fn is_parser_keyword(&self) -> bool {
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true
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}
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fn run(
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&self,
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engine_state: &EngineState,
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stack: &mut Stack,
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call: &Call,
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_input: PipelineData,
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) -> Result<nu_protocol::PipelineData, nu_protocol::ShellError> {
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Ok(Value::String {
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val: get_full_help(
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&ExportCommand.signature(),
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&ExportCommand.examples(),
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engine_state,
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stack,
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),
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span: call.head,
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}
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.into_pipeline_data())
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}
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fn examples(&self) -> Vec<Example> {
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vec![Example {
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description: "Export a definition from a module",
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example: r#"module utils { export def my-command [] { "hello" } }; use utils my-command; my-command"#,
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result: Some(Value::String {
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val: "hello".to_string(),
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span: Span::test_data(),
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}),
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}]
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}
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}
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